Merge pull request #17 from genxium/multihit

Added cancellable skills.

MULTIHIT_ROADMAP.md

@@ -0,0 +1,7 @@
+Major goals
+- Create several skills that can be chained by pressing "btnA" 3 times, while the 2nd skill cancels the last hit of 1st skill before the latters' FramesToRecover is over, same goes with 2nd->3rd transition. 
+- Note that each skill can contain "multihit".
+
+Minor goals
+- Split jumping anim into "once" part and "keep" part, depending on "character.framesElapsedInChState" we should play the corresponding part
+- Add new "chState = STUNNED", which is applicable to both on ground and in air, while "inAir && STUNNED", "character.FramesToRecover" is regarded as infinite. If implemented, make the last hit of the aforementioned 3rd skill "pushback opponent to air". 

battle_srv/models/pb_type_convert.go

@@ -10,69 +10,71 @@ func toPbRoomDownsyncFrame(rdf *battle.RoomDownsyncFrame) *pb.RoomDownsyncFrame
 		return nil
 	}
 	ret := &pb.RoomDownsyncFrame{
-		Id:                       rdf.Id,
+		Id:                     rdf.Id,
-		PlayersArr:               make([]*pb.PlayerDownsync, len(rdf.PlayersArr), len(rdf.PlayersArr)),
+		PlayersArr:             make([]*pb.PlayerDownsync, len(rdf.PlayersArr), len(rdf.PlayersArr)),
-		MeleeBullets:             make([]*pb.MeleeBullet, len(rdf.MeleeBullets), len(rdf.MeleeBullets)),
+		MeleeBullets:           make([]*pb.MeleeBullet, len(rdf.MeleeBullets), len(rdf.MeleeBullets)),
-		CountdownNanos:           rdf.CountdownNanos,
+		CountdownNanos:         rdf.CountdownNanos,
-		BackendUnconfirmedMask:   rdf.BackendUnconfirmedMask,
+		BackendUnconfirmedMask: rdf.BackendUnconfirmedMask,
-		ShouldForceResync:        rdf.ShouldForceResync,
+		ShouldForceResync:      rdf.ShouldForceResync,
-		PlayerOpPatternToSkillId: make(map[int32]int32),
 	}
 
 	for i, last := range rdf.PlayersArr {
 		pbPlayer := &pb.PlayerDownsync{
-			Id:              last.Id,
+			Id:               last.Id,
-			VirtualGridX:    last.VirtualGridX,
+			VirtualGridX:     last.VirtualGridX,
-			VirtualGridY:    last.VirtualGridY,
+			VirtualGridY:     last.VirtualGridY,
-			DirX:            last.DirX,
+			DirX:             last.DirX,
-			DirY:            last.DirY,
+			DirY:             last.DirY,
-			VelX:            last.VelX,
+			VelX:             last.VelX,
-			VelY:            last.VelY,
+			VelY:             last.VelY,
-			Speed:           last.Speed,
+			FramesToRecover:  last.FramesToRecover,
-			BattleState:     last.BattleState,
+			FramesInChState:  last.FramesInChState,
-			CharacterState:  last.CharacterState,
+			ActiveSkillId:    last.ActiveSkillId,
-			InAir:           last.InAir,
+			ActiveSkillHit:   last.ActiveSkillHit,
-			JoinIndex:       last.JoinIndex,
+			FramesInvinsible: last.FramesInvinsible,
-			ColliderRadius:  last.ColliderRadius,
+			Speed:            last.Speed,
-			Score:           last.Score,
+			BattleState:      last.BattleState,
-			FramesToRecover: last.FramesToRecover,
+			CharacterState:   last.CharacterState,
-			Hp:              last.Hp,
+			InAir:            last.InAir,
-			MaxHp:           last.MaxHp,
+			JoinIndex:        last.JoinIndex,
-			Removed:         last.Removed,
+			Hp:               last.Hp,
+			MaxHp:            last.MaxHp,
+			ColliderRadius:   last.ColliderRadius,
+			Score:            last.Score,
+			Removed:          last.Removed,
 		}
 		ret.PlayersArr[i] = pbPlayer
 	}
 
 	for i, last := range rdf.MeleeBullets {
 		pbBullet := &pb.MeleeBullet{
-			BattleLocalId:         last.BattleLocalId,
+			OriginatedRenderFrameId: last.OriginatedRenderFrameId,
-			StartupFrames:         last.StartupFrames,
+			OffenderJoinIndex:       last.OffenderJoinIndex,
-			ActiveFrames:          last.ActiveFrames,
-			RecoveryFrames:        last.RecoveryFrames,
-			RecoveryFramesOnBlock: last.RecoveryFramesOnBlock,
-			RecoveryFramesOnHit:   last.RecoveryFramesOnHit,
-			HitboxOffset:          last.HitboxOffset,
-			HitStunFrames:         last.HitStunFrames,
-			BlockStunFrames:       last.BlockStunFrames,
-			Pushback:              last.Pushback,
-			ReleaseTriggerType:    last.ReleaseTriggerType,
-			Damage:                last.Damage,
 
-			SelfMoveforwardX: last.SelfMoveforwardX,
+			StartupFrames:      last.StartupFrames,
-			SelfMoveforwardY: last.SelfMoveforwardY,
+			CancellableStFrame: last.CancellableStFrame,
-			HitboxSizeX:      last.HitboxSizeX,
+			CancellableEdFrame: last.CancellableEdFrame,
-			HitboxSizeY:      last.HitboxSizeY,
+			ActiveFrames:       last.ActiveFrames,
 
-			OffenderJoinIndex: last.OffenderJoinIndex,
+			HitStunFrames:   last.HitStunFrames,
-			OffenderPlayerId:  last.OffenderPlayerId,
+			BlockStunFrames: last.BlockStunFrames,
+			PushbackVelX:    last.PushbackVelX,
+			PushbackVelY:    last.PushbackVelY,
+			Damage:          last.Damage,
+
+			SelfLockVelX: last.SelfLockVelX,
+			SelfLockVelY: last.SelfLockVelY,
+
+			HitboxOffsetX: last.HitboxOffsetX,
+			HitboxOffsetY: last.HitboxOffsetY,
+			HitboxSizeX:   last.HitboxSizeX,
+			HitboxSizeY:   last.HitboxSizeY,
+
+			BlowUp: last.BlowUp,
 		}
 		ret.MeleeBullets[i] = pbBullet
 	}
 
-	for i, last := range rdf.PlayerOpPatternToSkillId {
-		ret.PlayerOpPatternToSkillId[int32(i)] = int32(last)
-	}
-
 	return ret
 }
 
@@ -84,22 +86,26 @@ func toPbPlayers(modelInstances map[int32]*Player, withMetaInfo bool) []*pb.Play
 
 	for _, last := range modelInstances {
 		pbPlayer := &pb.PlayerDownsync{
-			Id:              last.Id,
+			Id:               last.Id,
-			VirtualGridX:    last.VirtualGridX,
+			VirtualGridX:     last.VirtualGridX,
-			VirtualGridY:    last.VirtualGridY,
+			VirtualGridY:     last.VirtualGridY,
-			DirX:            last.DirX,
+			DirX:             last.DirX,
-			DirY:            last.DirY,
+			DirY:             last.DirY,
-			VelX:            last.VelX,
+			VelX:             last.VelX,
-			VelY:            last.VelY,
+			VelY:             last.VelY,
-			Speed:           last.Speed,
+			FramesToRecover:  last.FramesToRecover,
-			BattleState:     last.BattleState,
+			FramesInChState:  last.FramesInChState,
-			CharacterState:  last.CharacterState,
+			ActiveSkillId:    last.ActiveSkillId,
-			InAir:           last.InAir,
+			ActiveSkillHit:   last.ActiveSkillHit,
-			JoinIndex:       last.JoinIndex,
+			FramesInvinsible: last.FramesInvinsible,
-			ColliderRadius:  last.ColliderRadius,
+			Speed:            last.Speed,
-			Score:           last.Score,
+			BattleState:      last.BattleState,
-			Removed:         last.Removed,
+			CharacterState:   last.CharacterState,
-			FramesToRecover: last.FramesToRecover,
+			InAir:            last.InAir,
+			JoinIndex:        last.JoinIndex,
+			ColliderRadius:   last.ColliderRadius,
+			Score:            last.Score,
+			Removed:          last.Removed,
 		}
 		if withMetaInfo {
 			pbPlayer.Name = last.Name
@@ -120,21 +126,28 @@ func toJsPlayers(modelInstances map[int32]*Player) []*battle.PlayerDownsync {
 
 	for _, last := range modelInstances {
 		toRet[last.JoinIndex-1] = &battle.PlayerDownsync{
-			Id:             last.Id,
+			Id:               last.Id,
-			VirtualGridX:   last.VirtualGridX,
+			VirtualGridX:     last.VirtualGridX,
-			VirtualGridY:   last.VirtualGridY,
+			VirtualGridY:     last.VirtualGridY,
-			DirX:           last.DirX,
+			DirX:             last.DirX,
-			DirY:           last.DirY,
+			DirY:             last.DirY,
-			VelX:           last.VelX,
+			VelX:             last.VelX,
-			VelY:           last.VelY,
+			VelY:             last.VelY,
-			Speed:          last.Speed,
+			FramesToRecover:  last.FramesToRecover,
-			BattleState:    last.BattleState,
+			FramesInChState:  last.FramesInChState,
-			CharacterState: last.CharacterState,
+			ActiveSkillId:    last.ActiveSkillId,
-			InAir:          last.InAir,
+			ActiveSkillHit:   last.ActiveSkillHit,
-			JoinIndex:      last.JoinIndex,
+			FramesInvinsible: last.FramesInvinsible,
-			ColliderRadius: last.ColliderRadius,
+			Speed:            last.Speed,
-			Score:          last.Score,
+			BattleState:      last.BattleState,
-			Removed:        last.Removed,
+			CharacterState:   last.CharacterState,
+			JoinIndex:        last.JoinIndex,
+			Hp:               last.Hp,
+			MaxHp:            last.MaxHp,
+			ColliderRadius:   last.ColliderRadius,
+			InAir:            last.InAir,
+			Score:            last.Score,
+			Removed:          last.Removed,
 		}
 	}
 

battle_srv/models/room.go

@@ -49,7 +49,7 @@ const (
 )
 
 const (
-	DEFAULT_PLAYER_RADIUS = float64(12)
+	DEFAULT_PLAYER_RADIUS = int32(float64(12) * battle.WORLD_TO_VIRTUAL_GRID_RATIO)
 )
 
 type RoomBattleState struct {
@@ -88,15 +88,16 @@ func calRoomScore(inRoomPlayerCount int32, roomPlayerCnt int, currentRoomBattleS
 }
 
 type Room struct {
-	Id                       int32
+	Id                   int32
-	Capacity                 int
+	Capacity             int
-	collisionSpaceOffsetX    float64
+	BattleDurationFrames int32
-	collisionSpaceOffsetY    float64
+	NstDelayFrames       int32
-	playerOpPatternToSkillId map[int]int
+	Players              map[int32]*Player
-	Players                  map[int32]*Player
+	PlayersArr           []*Player                 // ordered by joinIndex
-	PlayersArr               []*Player // ordered by joinIndex
+	SpeciesIdList        []int32                   // ordered by joinIndex
-	Space                    *resolv.Space
+	CharacterConfigsArr  []*battle.CharacterConfig // ordered by joinIndex
-	CollisionSysMap          map[int32]*resolv.Object
+	Space                *resolv.Space
+	CollisionSysMap      map[int32]*resolv.Object
 	/**
 		 * The following `PlayerDownsyncSessionDict` is NOT individually put
 		 * under `type Player struct` for a reason.
@@ -138,7 +139,6 @@ type Room struct {
 	BackendDynamicsEnabled              bool
 	ForceAllResyncOnAnyActiveSlowTicker bool
 	LastRenderFrameIdTriggeredAt        int64
-	PlayerDefaultSpeed                  int32
 
 	BulletBattleLocalIdCounter      int32
 	dilutedRollbackEstimatedDtNanos int64
@@ -168,11 +168,12 @@ func (pR *Room) AddPlayerIfPossible(pPlayerFromDbInit *Player, session *websocke
 	}
 
 	defer pR.onPlayerAdded(playerId)
+
 	pPlayerFromDbInit.AckingFrameId = -1
 	pPlayerFromDbInit.AckingInputFrameId = -1
 	pPlayerFromDbInit.LastSentInputFrameId = MAGIC_LAST_SENT_INPUT_FRAME_ID_NORMAL_ADDED
 	pPlayerFromDbInit.BattleState = PlayerBattleStateIns.ADDED_PENDING_BATTLE_COLLIDER_ACK
-	pPlayerFromDbInit.Speed = pR.PlayerDefaultSpeed          // Hardcoded
+
 	pPlayerFromDbInit.ColliderRadius = DEFAULT_PLAYER_RADIUS // Hardcoded
 	pPlayerFromDbInit.InAir = true                           // Hardcoded
 
@@ -210,7 +211,7 @@ func (pR *Room) ReAddPlayerIfPossible(pTmpPlayerInstance *Player, session *webso
 	pEffectiveInRoomPlayerInstance.AckingInputFrameId = -1
 	pEffectiveInRoomPlayerInstance.LastSentInputFrameId = MAGIC_LAST_SENT_INPUT_FRAME_ID_READDED
 	pEffectiveInRoomPlayerInstance.BattleState = PlayerBattleStateIns.READDED_PENDING_BATTLE_COLLIDER_ACK
-	pEffectiveInRoomPlayerInstance.Speed = pR.PlayerDefaultSpeed          // Hardcoded
+
 	pEffectiveInRoomPlayerInstance.ColliderRadius = DEFAULT_PLAYER_RADIUS // Hardcoded
 	pEffectiveInRoomPlayerInstance.InAir = true                           // Hardcoded
 
@@ -289,35 +290,14 @@ func (pR *Room) ChooseStage() error {
 
 	//Logger.Info("parsed tmx:", zap.Any("stageDiscreteW", stageDiscreteW), zap.Any("strToVec2DListMap", strToVec2DListMap), zap.Any("strToPolygon2DListMap", strToPolygon2DListMap))
 
-	pR.StageDiscreteW = stageDiscreteW
+	pR.SpaceOffsetX = float64((stageDiscreteW * stageTileW) >> 1)
-	pR.StageDiscreteH = stageDiscreteH
+	pR.SpaceOffsetY = float64((stageDiscreteH * stageTileH) >> 1)
-	pR.StageTileW = stageTileW
-	pR.StageTileH = stageTileH
 	pR.TmxPointsMap = strToVec2DListMap
 	pR.TmxPolygonsMap = strToPolygon2DListMap
 
 	return nil
 }
 
-func (pR *Room) ConvertToInputFrameId(renderFrameId int32, inputDelayFrames int32) int32 {
-	if renderFrameId < inputDelayFrames {
-		return 0
-	}
-	return ((renderFrameId - inputDelayFrames) >> pR.InputScaleFrames)
-}
-
-func (pR *Room) ConvertToGeneratingRenderFrameId(inputFrameId int32) int32 {
-	return (inputFrameId << pR.InputScaleFrames)
-}
-
-func (pR *Room) ConvertToFirstUsedRenderFrameId(inputFrameId int32, inputDelayFrames int32) int32 {
-	return ((inputFrameId << pR.InputScaleFrames) + inputDelayFrames)
-}
-
-func (pR *Room) ConvertToLastUsedRenderFrameId(inputFrameId int32, inputDelayFrames int32) int32 {
-	return ((inputFrameId << pR.InputScaleFrames) + inputDelayFrames + (1 << pR.InputScaleFrames) - 1)
-}
-
 func (pR *Room) RenderFrameBufferString() string {
 	return fmt.Sprintf("{renderFrameId: %d, stRenderFrameId: %d, edRenderFrameId: %d, curDynamicsRenderFrameId: %d}", pR.RenderFrameId, pR.RenderFrameBuffer.StFrameId, pR.RenderFrameBuffer.EdFrameId, pR.CurDynamicsRenderFrameId)
 }
@@ -353,7 +333,7 @@ func (pR *Room) playerDownsyncStr(player *battle.PlayerDownsync) string {
 	if player.InAir {
 		inAirInt = 1
 	}
-	s := fmt.Sprintf("{%d,%d,%d,%d,%d,%d,%d}", player.JoinIndex, player.VirtualGridX, player.VirtualGridY, player.VelX, player.VelY, player.FramesToRecover,inAirInt)
+	s := fmt.Sprintf("{%d,%d,%d,%d,%d,%d,%d}", player.JoinIndex, player.VirtualGridX, player.VirtualGridY, player.VelX, player.VelY, player.FramesToRecover, inAirInt)
 
 	return s
 }
@@ -397,28 +377,25 @@ func (pR *Room) StartBattle() {
 
 	pR.RenderFrameId = 0
 
-	// [WARNING] Only since battle starts do we have all players bound to certain joinIndexes.
 	for _, player := range pR.Players {
-		opJoinIndexPrefix := (int(player.JoinIndex) << uint(8))
+		speciesId := int(player.JoinIndex - 1) // FIXME: Hardcoded the values for now
-		pR.playerOpPatternToSkillId[opJoinIndexPrefix+0] = 1 // Hardcoded for now
+		chosenCh := battle.Characters[speciesId]
+		pR.CharacterConfigsArr[player.JoinIndex-1] = chosenCh
+		pR.SpeciesIdList[player.JoinIndex-1] = int32(speciesId)
 	}
+	Logger.Info("[StartBattle] ", zap.Any("roomId", pR.Id), zap.Any("roomState", pR.State), zap.Any("SpeciesIdList", pR.SpeciesIdList))
 
 	// Initialize the "collisionSys" as well as "RenderFrameBuffer"
 	pR.CurDynamicsRenderFrameId = 0
 	kickoffFrameJs := &battle.RoomDownsyncFrame{
-		Id:                       pR.RenderFrameId,
+		Id:             pR.RenderFrameId,
-		PlayersArr:               toJsPlayers(pR.Players),
+		PlayersArr:     toJsPlayers(pR.Players),
-		PlayerOpPatternToSkillId: pR.playerOpPatternToSkillId,
+		CountdownNanos: pR.BattleDurationNanos,
-		CountdownNanos:           pR.BattleDurationNanos,
 	}
 	pR.RenderFrameBuffer.Put(kickoffFrameJs)
 
 	// Refresh "Colliders"
-	spaceW := pR.StageDiscreteW * pR.StageTileW
+	pR.refreshColliders()
-	spaceH := pR.StageDiscreteH * pR.StageTileH
-
-	pR.collisionSpaceOffsetX, pR.collisionSpaceOffsetY = float64(spaceW)*0.5, float64(spaceH)*0.5
-	pR.refreshColliders(spaceW, spaceH)
 
 	/*
 			  Will be triggered from a goroutine which executes the critical `Room.AddPlayerIfPossible`, thus the `battleMainLoop` should be detached.
@@ -432,7 +409,7 @@ func (pR *Room) StartBattle() {
 				Logger.Error("battleMainLoop, recovery spot#1, recovered from: ", zap.Any("roomId", pR.Id), zap.Any("panic", r))
 			}
 			pR.StopBattleForSettlement()
-			Logger.Info(fmt.Sprintf("The `battleMainLoop` for roomId=%v is stopped@renderFrameId=%v, with battleDurationFrames=%v:\n%v", pR.Id, pR.RenderFrameId, pR.BattleDurationFrames, pR.InputsBufferString(false))) // This takes sometime to print
+			Logger.Info(fmt.Sprintf("The `battleMainLoop` for roomId=%v is stopped@renderFrameId=%v:\n%v", pR.Id, pR.RenderFrameId, pR.InputsBufferString(false))) // This takes sometime to print
 			if pR.FrameDataLoggingEnabled {
 				rdfIdToActuallyUsedInputDump := pR.rdfIdToActuallyUsedInputString()
 				os.WriteFile(fmt.Sprintf("room_%d.txt", pR.Id), []byte(rdfIdToActuallyUsedInputDump), 0644) // DEBUG ONLY
@@ -481,7 +458,9 @@ func (pR *Room) StartBattle() {
 							continue
 						}
 						kickoffFrameJs := pR.RenderFrameBuffer.GetByFrameId(0).(*battle.RoomDownsyncFrame)
-						pR.sendSafely(toPbRoomDownsyncFrame(kickoffFrameJs), nil, DOWNSYNC_MSG_ACT_BATTLE_START, playerId, true)
+						pbKickOffRenderFrame := toPbRoomDownsyncFrame(kickoffFrameJs)
+						pbKickOffRenderFrame.SpeciesIdList = pR.SpeciesIdList
+						pR.sendSafely(pbKickOffRenderFrame, nil, DOWNSYNC_MSG_ACT_BATTLE_START, playerId, true)
 					}
 					Logger.Info(fmt.Sprintf("In `battleMainLoop` for roomId=%v sent out kickoffFrame", pR.Id))
 				}
@@ -550,10 +529,6 @@ func (pR *Room) StartBattle() {
 	})
 }
 
-func (pR *Room) toDiscreteInputsBufferIndex(inputFrameId int32, joinIndex int32) int32 {
-	return (inputFrameId << 2) + joinIndex // allowing joinIndex upto 15
-}
-
 func (pR *Room) OnBattleCmdReceived(pReq *pb.WsReq) {
 	/*
 	   [WARNING] This function "OnBattleCmdReceived" could be called by different ws sessions and thus from different threads!
@@ -744,14 +719,11 @@ func (pR *Room) OnDismissed() {
 
 	// Always instantiates new HeapRAM blocks and let the old blocks die out due to not being retained by any root reference.
 	pR.BulletBattleLocalIdCounter = 0
-	pR.WorldToVirtualGridRatio = float64(100)
+	pR.CollisionMinStep = 8 // the approx minimum distance a player can move per frame in world coordinate
-	pR.VirtualGridToWorldRatio = float64(1.0) / pR.WorldToVirtualGridRatio // this is a one-off computation, should avoid division in iterations
-	pR.SpAtkLookupFrames = 5
-	pR.PlayerDefaultSpeed = int32(float64(1) * pR.WorldToVirtualGridRatio)                        // in virtual grids per frame
-	pR.CollisionMinStep = (int32(float64(pR.PlayerDefaultSpeed)*pR.VirtualGridToWorldRatio) << 3) // the approx minimum distance a player can move per frame in world coordinate
-	pR.playerOpPatternToSkillId = make(map[int]int)
 	pR.Players = make(map[int32]*Player)
 	pR.PlayersArr = make([]*Player, pR.Capacity)
+	pR.SpeciesIdList = make([]int32, pR.Capacity)
+	pR.CharacterConfigsArr = make([]*battle.CharacterConfig, pR.Capacity)
 	pR.CollisionSysMap = make(map[int32]*resolv.Object)
 	pR.PlayerDownsyncSessionDict = make(map[int32]*websocket.Conn)
 	for _, oldWatchdog := range pR.PlayerActiveWatchdogDict {
@@ -776,26 +748,20 @@ func (pR *Room) OnDismissed() {
 
 	pR.RenderFrameId = 0
 	pR.CurDynamicsRenderFrameId = 0
-	pR.InputDelayFrames = 8
 	pR.NstDelayFrames = 16
-	pR.InputScaleFrames = uint32(2)
+
-	pR.ServerFps = 60
+	serverFps := 60
 	pR.RollbackEstimatedDtMillis = 16.667  // Use fixed-and-low-precision to mitigate the inconsistent floating-point-number issue between Golang and JavaScript
 	pR.RollbackEstimatedDtNanos = 16666666 // A little smaller than the actual per frame time, just for logging FAST FRAME
 	dilutedServerFps := float64(58.0)      // Don't set this value too small, otherwise we might miss force confirmation needs for slow tickers!
-	pR.dilutedRollbackEstimatedDtNanos = int64(float64(pR.RollbackEstimatedDtNanos) * float64(pR.ServerFps) / dilutedServerFps)
+	pR.dilutedRollbackEstimatedDtNanos = int64(float64(pR.RollbackEstimatedDtNanos) * float64(serverFps) / dilutedServerFps)
-	pR.BattleDurationFrames = 60 * pR.ServerFps
+	pR.BattleDurationFrames = int32(60 * serverFps)
 	pR.BattleDurationNanos = int64(pR.BattleDurationFrames) * (pR.RollbackEstimatedDtNanos + 1)
-	pR.InputFrameUpsyncDelayTolerance = (pR.NstDelayFrames >> pR.InputScaleFrames) - 1 // this value should be strictly smaller than (NstDelayFrames >> InputScaleFrames), otherwise "type#1 forceConfirmation" might become a lag avalanche
+	pR.InputFrameUpsyncDelayTolerance = battle.ConvertToNoDelayInputFrameId(pR.NstDelayFrames) - 1 // this value should be strictly smaller than (NstDelayFrames >> InputScaleFrames), otherwise "type#1 forceConfirmation" might become a lag avalanche
-	pR.MaxChasingRenderFramesPerUpdate = 12                                            // Don't set this value too high to avoid exhausting frontend CPU within a single frame
+	pR.MaxChasingRenderFramesPerUpdate = 12                                                        // Don't set this value too high to avoid exhausting frontend CPU within a single frame
 
 	pR.BackendDynamicsEnabled = true              // [WARNING] When "false", recovery upon reconnection wouldn't work!
 	pR.ForceAllResyncOnAnyActiveSlowTicker = true // See tradeoff discussion in "downsyncToAllPlayers"
-	pR.SnapIntoPlatformOverlap = float64(0.1)
-	pR.SnapIntoPlatformThreshold = float64(0.5)
-	pR.JumpingInitVelY = int32(float64(7) * pR.WorldToVirtualGridRatio)
-	pR.GravityX = 0
-	pR.GravityY = -int32(float64(0.5) * pR.WorldToVirtualGridRatio) // makes all "playerCollider.Y" a multiple of 0.5 in all cases
 
 	pR.FrameDataLoggingEnabled = false // [WARNING] DON'T ENABLE ON LONG BATTLE DURATION! It consumes A LOT OF MEMORY!
 
@@ -914,6 +880,10 @@ func (pR *Room) onPlayerAdded(playerId int32) {
 			pR.Players[playerId].JoinIndex = int32(index) + 1
 			pR.JoinIndexBooleanArr[index] = true
 
+			speciesId := index // FIXME
+			chosenCh := battle.Characters[speciesId]
+			pR.Players[playerId].Speed = chosenCh.Speed
+
 			// Lazily assign the initial position of "Player" for "RoomDownsyncFrame".
 			playerPosList := *pR.TmxPointsMap["PlayerStartingPos"]
 			if index > len(playerPosList) {
@@ -924,7 +894,7 @@ func (pR *Room) onPlayerAdded(playerId int32) {
 			if nil == playerPos {
 				panic(fmt.Sprintf("onPlayerAdded error, nil == playerPos, roomId=%v, playerId=%v, roomState=%v, roomEffectivePlayerCount=%v", pR.Id, playerId, pR.State, pR.EffectivePlayerCount))
 			}
-			pR.Players[playerId].VirtualGridX, pR.Players[playerId].VirtualGridY = battle.WorldToVirtualGridPos(playerPos.X, playerPos.Y, pR.WorldToVirtualGridRatio)
+			pR.Players[playerId].VirtualGridX, pR.Players[playerId].VirtualGridY = battle.WorldToVirtualGridPos(playerPos.X, playerPos.Y)
 			// Hardcoded initial character orientation/facing
 			if 0 == (pR.Players[playerId].JoinIndex % 2) {
 				pR.Players[playerId].DirX = -2
@@ -1043,15 +1013,6 @@ func (pR *Room) sendSafely(roomDownsyncFrame *pb.RoomDownsyncFrame, toSendInputF
 	}
 }
 
-func (pR *Room) shouldPrefabInputFrameDownsync(prevRenderFrameId int32, renderFrameId int32) (bool, int32) {
-	for i := prevRenderFrameId + 1; i <= renderFrameId; i++ {
-		if (0 <= i) && (0 == (i & ((1 << pR.InputScaleFrames) - 1))) {
-			return true, i
-		}
-	}
-	return false, -1
-}
-
 func (pR *Room) getOrPrefabInputFrameDownsync(inputFrameId int32) *battle.InputFrameDownsync {
 	/*
 	   [WARNING] This function MUST BE called while "pR.InputsBufferLock" is locked.
@@ -1170,7 +1131,7 @@ func (pR *Room) markConfirmationIfApplicable(inputFrameUpsyncBatch []*pb.InputFr
 		*/
 		snapshotStFrameId := (pR.LastAllConfirmedInputFrameId - newAllConfirmedCount)
 		refRenderFrameIdIfNeeded := pR.CurDynamicsRenderFrameId - 1
-		refSnapshotStFrameId := pR.ConvertToInputFrameId(refRenderFrameIdIfNeeded, pR.InputDelayFrames)
+		refSnapshotStFrameId := battle.ConvertToDelayedInputFrameId(refRenderFrameIdIfNeeded)
 		if refSnapshotStFrameId < snapshotStFrameId {
 			snapshotStFrameId = refSnapshotStFrameId
 		}
@@ -1186,7 +1147,7 @@ func (pR *Room) forceConfirmationIfApplicable(prevRenderFrameId int32) uint64 {
 	totPlayerCnt := uint32(pR.Capacity)
 	allConfirmedMask := uint64((1 << totPlayerCnt) - 1)
 	unconfirmedMask := uint64(0)
-	if pR.LatestPlayerUpsyncedInputFrameId > (pR.LastAllConfirmedInputFrameId + (pR.NstDelayFrames >> pR.InputScaleFrames)) {
+	if pR.LatestPlayerUpsyncedInputFrameId > (pR.LastAllConfirmedInputFrameId + pR.InputFrameUpsyncDelayTolerance + 1) {
 		// Type#1 check whether there's a significantly slow ticker among players
 		oldLastAllConfirmedInputFrameId := pR.LastAllConfirmedInputFrameId
 		for j := pR.LastAllConfirmedInputFrameId + 1; j <= pR.LatestPlayerUpsyncedInputFrameId; j++ {
@@ -1200,7 +1161,7 @@ func (pR *Room) forceConfirmationIfApplicable(prevRenderFrameId int32) uint64 {
 			pR.onInputFrameDownsyncAllConfirmed(inputFrameDownsync, -1)
 		}
 		if 0 < unconfirmedMask {
-			Logger.Info(fmt.Sprintf("[type#1 forceConfirmation] For roomId=%d@renderFrameId=%d, curDynamicsRenderFrameId=%d, LatestPlayerUpsyncedInputFrameId:%d, oldLastAllConfirmedInputFrameId:%d, newLastAllConfirmedInputFrameId:%d, (pR.NstDelayFrames >> pR.InputScaleFrames):%d, InputFrameUpsyncDelayTolerance:%d, unconfirmedMask=%d; there's a slow ticker suspect, forcing all-confirmation", pR.Id, pR.RenderFrameId, pR.CurDynamicsRenderFrameId, pR.LatestPlayerUpsyncedInputFrameId, oldLastAllConfirmedInputFrameId, pR.LastAllConfirmedInputFrameId, (pR.NstDelayFrames >> pR.InputScaleFrames), pR.InputFrameUpsyncDelayTolerance, unconfirmedMask))
+			Logger.Info(fmt.Sprintf("[type#1 forceConfirmation] For roomId=%d@renderFrameId=%d, curDynamicsRenderFrameId=%d, LatestPlayerUpsyncedInputFrameId:%d, oldLastAllConfirmedInputFrameId:%d, newLastAllConfirmedInputFrameId:%d, InputFrameUpsyncDelayTolerance:%d, unconfirmedMask=%d; there's a slow ticker suspect, forcing all-confirmation", pR.Id, pR.RenderFrameId, pR.CurDynamicsRenderFrameId, pR.LatestPlayerUpsyncedInputFrameId, oldLastAllConfirmedInputFrameId, pR.LastAllConfirmedInputFrameId, pR.InputFrameUpsyncDelayTolerance, unconfirmedMask))
 		}
 	} else {
 		// Type#2 helps resolve the edge case when all players are disconnected temporarily
@@ -1237,7 +1198,7 @@ func (pR *Room) produceInputsBufferSnapshotWithCurDynamicsRenderFrameAsRef(uncon
 	}
 }
 
-func (pR *Room) applyInputFrameDownsyncDynamics(fromRenderFrameId int32, toRenderFrameId int32, spaceOffsetX, spaceOffsetY float64) {
+func (pR *Room) applyInputFrameDownsyncDynamics(fromRenderFrameId int32, toRenderFrameId int32) {
 	// [WARNING] This function MUST BE called while "pR.InputsBufferLock" is locked!
 	if fromRenderFrameId >= toRenderFrameId {
 		return
@@ -1251,7 +1212,7 @@ func (pR *Room) applyInputFrameDownsyncDynamics(fromRenderFrameId int32, toRende
 			panic(fmt.Sprintf("collisionSysRenderFrameId=%v doesn't exist for roomId=%v, this is abnormal because it's to be used for applying dynamics to [fromRenderFrameId:%v, toRenderFrameId:%v)! RenderFrameBuffer=%v", collisionSysRenderFrameId, pR.Id, fromRenderFrameId, toRenderFrameId, pR.RenderFrameBufferString()))
 		}
 		currRenderFrame := currRenderFrameTmp.(*battle.RoomDownsyncFrame)
-		delayedInputFrameId := pR.ConvertToInputFrameId(collisionSysRenderFrameId, pR.InputDelayFrames)
+		delayedInputFrameId := battle.ConvertToDelayedInputFrameId(collisionSysRenderFrameId)
 		if 0 <= delayedInputFrameId {
 			if delayedInputFrameId > pR.LastAllConfirmedInputFrameId {
 				panic(fmt.Sprintf("delayedInputFrameId=%v is not yet all-confirmed for roomId=%v, this is abnormal because it's to be used for applying dynamics to [fromRenderFrameId:%v, toRenderFrameId:%v) @ collisionSysRenderFrameId=%v! InputsBuffer=%v", delayedInputFrameId, pR.Id, fromRenderFrameId, toRenderFrameId, collisionSysRenderFrameId, pR.InputsBufferString(false)))
@@ -1275,29 +1236,16 @@ func (pR *Room) applyInputFrameDownsyncDynamics(fromRenderFrameId int32, toRende
 			}
 		}
 
-		nextRenderFrame := battle.ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(pR.InputsBuffer, currRenderFrame, pR.Space, pR.CollisionSysMap, pR.GravityX, pR.GravityY, pR.JumpingInitVelY, pR.InputDelayFrames, pR.InputScaleFrames, pR.collisionSpaceOffsetX, pR.collisionSpaceOffsetY, pR.SnapIntoPlatformOverlap, pR.SnapIntoPlatformThreshold, pR.WorldToVirtualGridRatio, pR.VirtualGridToWorldRatio, pR.playerOpPatternToSkillId)
+		nextRenderFrame := battle.ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(pR.InputsBuffer, currRenderFrame, pR.Space, pR.CollisionSysMap, pR.SpaceOffsetX, pR.SpaceOffsetY, pR.CharacterConfigsArr)
 		pR.RenderFrameBuffer.Put(nextRenderFrame)
 		pR.CurDynamicsRenderFrameId++
 	}
 }
 
-func (pR *Room) refreshColliders(spaceW, spaceH int32) {
+func (pR *Room) refreshColliders() {
 	// Kindly note that by now, we've already got all the shapes in the tmx file into "pR.(Players | Barriers)" from "ParseTmxLayersAndGroups"
 
-	topPadding, bottomPadding, leftPadding, rightPadding := pR.SnapIntoPlatformOverlap, pR.SnapIntoPlatformOverlap, pR.SnapIntoPlatformOverlap, pR.SnapIntoPlatformOverlap
+	pR.Space = resolv.NewSpace(int(pR.SpaceOffsetX*2), int(pR.SpaceOffsetY*2), int(pR.CollisionMinStep), int(pR.CollisionMinStep)) // allocate a new collision space everytime after a battle is settled
-
-	pR.Space = resolv.NewSpace(int(spaceW), int(spaceH), int(pR.CollisionMinStep), int(pR.CollisionMinStep)) // allocate a new collision space everytime after a battle is settled
-	jsPlayers := toJsPlayers(pR.Players)
-	for _, player := range jsPlayers {
-		wx, wy := battle.VirtualGridToWorldPos(player.VirtualGridX, player.VirtualGridY, pR.VirtualGridToWorldRatio)
-		colliderWidth, colliderHeight := player.ColliderRadius*2, player.ColliderRadius*4
-		playerCollider := battle.GenerateRectCollider(wx, wy, colliderWidth, colliderHeight, topPadding, bottomPadding, leftPadding, rightPadding, pR.collisionSpaceOffsetX, pR.collisionSpaceOffsetY, player, "Player") // the coords of all barrier boundaries are multiples of tileWidth(i.e. 16), by adding snapping y-padding when "landedOnGravityPushback" all "playerCollider.Y" would be a multiple of 1.0
-		pR.Space.Add(playerCollider)
-		// Keep track of the collider in "pR.CollisionSysMap"
-		joinIndex := player.JoinIndex
-		collisionPlayerIndex := battle.COLLISION_PLAYER_INDEX_PREFIX + joinIndex
-		pR.CollisionSysMap[collisionPlayerIndex] = playerCollider
-	}
 
 	for _, player := range pR.Players {
 		joinIndex := player.JoinIndex
@@ -1310,7 +1258,7 @@ func (pR *Room) refreshColliders(spaceW, spaceH int32) {
 		   // For debug-printing only.
 		   Logger.Info("ChooseStage printing polygon2D for barrierPolygon2DList", zap.Any("barrierLocalIdInBattle", barrierLocalIdInBattle), zap.Any("polygon2D.Anchor", polygon2D.Anchor), zap.Any("polygon2D.Points", polygon2D.Points))
 		*/
-		barrierCollider := battle.GenerateConvexPolygonCollider(polygon2DUnaligned, pR.collisionSpaceOffsetX, pR.collisionSpaceOffsetY, nil, "Barrier")
+		barrierCollider := battle.GenerateConvexPolygonCollider(polygon2DUnaligned, pR.SpaceOffsetX, pR.SpaceOffsetY, nil, "Barrier")
 		pR.Space.Add(barrierCollider)
 	}
 }
@@ -1329,8 +1277,8 @@ func (pR *Room) doBattleMainLoopPerTickBackendDynamicsWithProperLocking(prevRend
 		Logger.Debug(fmt.Sprintf("doBattleMainLoopPerTickBackendDynamicsWithProperLocking-InputsBufferLock unlocked: roomId=%v", pR.Id))
 	}()
 
-	if ok, thatRenderFrameId := pR.shouldPrefabInputFrameDownsync(prevRenderFrameId, pR.RenderFrameId); ok {
+	if ok, thatRenderFrameId := battle.ShouldPrefabInputFrameDownsync(prevRenderFrameId, pR.RenderFrameId); ok {
-		noDelayInputFrameId := pR.ConvertToInputFrameId(thatRenderFrameId, 0)
+		noDelayInputFrameId := battle.ConvertToNoDelayInputFrameId(thatRenderFrameId)
 		pR.getOrPrefabInputFrameDownsync(noDelayInputFrameId)
 	}
 
@@ -1341,9 +1289,9 @@ func (pR *Room) doBattleMainLoopPerTickBackendDynamicsWithProperLocking(prevRend
 	if 0 <= pR.LastAllConfirmedInputFrameId {
 		dynamicsStartedAt := utils.UnixtimeNano()
 		// Apply "all-confirmed inputFrames" to move forward "pR.CurDynamicsRenderFrameId"
-		nextDynamicsRenderFrameId := pR.ConvertToLastUsedRenderFrameId(pR.LastAllConfirmedInputFrameId, pR.InputDelayFrames) + 1
+		nextDynamicsRenderFrameId := battle.ConvertToLastUsedRenderFrameId(pR.LastAllConfirmedInputFrameId) + 1
-		Logger.Debug(fmt.Sprintf("roomId=%v, room.RenderFrameId=%v, room.CurDynamicsRenderFrameId=%v, LastAllConfirmedInputFrameId=%v, InputDelayFrames=%v, nextDynamicsRenderFrameId=%v", pR.Id, pR.RenderFrameId, pR.CurDynamicsRenderFrameId, pR.LastAllConfirmedInputFrameId, pR.InputDelayFrames, nextDynamicsRenderFrameId))
+		Logger.Debug(fmt.Sprintf("roomId=%v, room.RenderFrameId=%v, room.CurDynamicsRenderFrameId=%v, LastAllConfirmedInputFrameId=%v, nextDynamicsRenderFrameId=%v", pR.Id, pR.RenderFrameId, pR.CurDynamicsRenderFrameId, pR.LastAllConfirmedInputFrameId, nextDynamicsRenderFrameId))
-		pR.applyInputFrameDownsyncDynamics(pR.CurDynamicsRenderFrameId, nextDynamicsRenderFrameId, pR.collisionSpaceOffsetX, pR.collisionSpaceOffsetY)
+		pR.applyInputFrameDownsyncDynamics(pR.CurDynamicsRenderFrameId, nextDynamicsRenderFrameId)
 		*pDynamicsDuration = utils.UnixtimeNano() - dynamicsStartedAt
 	}
 
@@ -1360,7 +1308,7 @@ func (pR *Room) doBattleMainLoopPerTickBackendDynamicsWithProperLocking(prevRend
 	if 0 < unconfirmedMask {
 		// [WARNING] As "pR.CurDynamicsRenderFrameId" was just incremented above, "refSnapshotStFrameId" is most possibly larger than "oldLastAllConfirmedInputFrameId + 1", therefore this initial assignment is critical for `ACTIVE NORMAL TICKER`s to receive consecutive ids of inputFrameDownsync.
 		snapshotStFrameId := oldLastAllConfirmedInputFrameId + 1
-		refSnapshotStFrameId := pR.ConvertToInputFrameId(pR.CurDynamicsRenderFrameId-1, pR.InputDelayFrames)
+		refSnapshotStFrameId := battle.ConvertToDelayedInputFrameId(pR.CurDynamicsRenderFrameId - 1)
 		if refSnapshotStFrameId < snapshotStFrameId {
 			snapshotStFrameId = refSnapshotStFrameId
 		}
@@ -1472,15 +1420,13 @@ func (pR *Room) downsyncToSinglePlayer(playerId int32, player *Player, refRender
 		}
 
 		refRenderFrame := tmp.(*battle.RoomDownsyncFrame)
-		refRenderFrame.PlayerOpPatternToSkillId = pR.playerOpPatternToSkillId
-		for i, player := range pR.PlayersArr {
-			refRenderFrame.PlayersArr[i].ColliderRadius = player.ColliderRadius // hardcoded for now
-		}
 		if shouldResync3 {
 			refRenderFrame.ShouldForceResync = true
 		}
 		refRenderFrame.BackendUnconfirmedMask = unconfirmedMask
-		pR.sendSafely(toPbRoomDownsyncFrame(refRenderFrame), toSendInputFrameDownsyncsSnapshot, DOWNSYNC_MSG_ACT_FORCED_RESYNC, playerId, false)
+		pbRefRenderFrame := toPbRoomDownsyncFrame(refRenderFrame)
+		pbRefRenderFrame.SpeciesIdList = pR.SpeciesIdList
+		pR.sendSafely(pbRefRenderFrame, toSendInputFrameDownsyncsSnapshot, DOWNSYNC_MSG_ACT_FORCED_RESYNC, playerId, false)
 		//Logger.Warn(fmt.Sprintf("Sent refRenderFrameId=%v & inputFrameIds [%d, %d), for roomId=%v, playerId=%d, playerJoinIndex=%d, renderFrameId=%d, curDynamicsRenderFrameId=%d, playerLastSentInputFrameId=%d: InputsBuffer=%v", refRenderFrameId, toSendInputFrameIdSt, toSendInputFrameIdEd, pR.Id, playerId, player.JoinIndex, pR.RenderFrameId, pR.CurDynamicsRenderFrameId, player.LastSentInputFrameId, pR.InputsBufferString(false)))
 		if shouldResync1 {
 			Logger.Warn(fmt.Sprintf("Sent refRenderFrameId=%v & inputFrameIds [%d, %d), for roomId=%v, playerId=%d, playerJoinIndex=%d, renderFrameId=%d, curDynamicsRenderFrameId=%d, playerLastSentInputFrameId=%d: shouldResync1=%v, shouldResync2=%v, shouldResync3=%v, playerBattleState=%d", refRenderFrameId, toSendInputFrameIdSt, toSendInputFrameIdEd, pR.Id, playerId, player.JoinIndex, pR.RenderFrameId, pR.CurDynamicsRenderFrameId, player.LastSentInputFrameId, shouldResync1, shouldResync2, shouldResync3, playerBattleState))

battle_srv/ws/serve.go

@@ -240,37 +240,23 @@ func Serve(c *gin.Context) {
 
 		// Construct "battleColliderInfo" to downsync
 		bciFrame := &pb.BattleColliderInfo{
-			BoundRoomId:    pRoom.Id,
+			BoundRoomId: pRoom.Id,
-			StageName:      pRoom.StageName,
+			StageName:   pRoom.StageName,
-			StageDiscreteW: pRoom.StageDiscreteW,
+
-			StageDiscreteH: pRoom.StageDiscreteH,
+			IntervalToPing:        int32(Constants.Ws.IntervalToPing),
-			StageTileW:     pRoom.StageTileW,
+			WillKickIfInactiveFor: int32(Constants.Ws.WillKickIfInactiveFor),
-			StageTileH:     pRoom.StageTileH,
+			BattleDurationNanos:   pRoom.BattleDurationNanos,
 
-			IntervalToPing:                  int32(Constants.Ws.IntervalToPing),
-			WillKickIfInactiveFor:           int32(Constants.Ws.WillKickIfInactiveFor),
-			BattleDurationNanos:             pRoom.BattleDurationNanos,
-			ServerFps:                       pRoom.ServerFps,
-			InputDelayFrames:                pRoom.InputDelayFrames,
-			InputScaleFrames:                pRoom.InputScaleFrames,
-			NstDelayFrames:                  pRoom.NstDelayFrames,
 			InputFrameUpsyncDelayTolerance:  pRoom.InputFrameUpsyncDelayTolerance,
 			MaxChasingRenderFramesPerUpdate: pRoom.MaxChasingRenderFramesPerUpdate,
-			PlayerBattleState:               pThePlayer.BattleState, // For frontend to know whether it's rejoining
 			RollbackEstimatedDtMillis:       pRoom.RollbackEstimatedDtMillis,
 			RollbackEstimatedDtNanos:        pRoom.RollbackEstimatedDtNanos,
 
-			WorldToVirtualGridRatio: pRoom.WorldToVirtualGridRatio,
+			SpaceOffsetX: pRoom.SpaceOffsetX,
-			VirtualGridToWorldRatio: pRoom.VirtualGridToWorldRatio,
+			SpaceOffsetY: pRoom.SpaceOffsetY,
 
-			SpAtkLookupFrames:         pRoom.SpAtkLookupFrames,
+			RenderCacheSize:  pRoom.RenderCacheSize,
-			RenderCacheSize:           pRoom.RenderCacheSize,
+			CollisionMinStep: pRoom.CollisionMinStep,
-			SnapIntoPlatformOverlap:   pRoom.SnapIntoPlatformOverlap,
-			SnapIntoPlatformThreshold: pRoom.SnapIntoPlatformThreshold,
-			JumpingInitVelY:           pRoom.JumpingInitVelY,
-			GravityX:                  pRoom.GravityX,
-			GravityY:                  pRoom.GravityY,
-			CollisionMinStep:          pRoom.CollisionMinStep,
 
 			FrameDataLoggingEnabled: pRoom.FrameDataLoggingEnabled,
 		}

charts/README.md

@@ -14,3 +14,15 @@ ffmpeg -vsync vfr -i input.gif output%d.png
 ```
 
 The `-vsync vfr` tells ffmpeg to disrespect the original delays set within the GIF file, otherwise many duplicate frame will be extracted by the default 60FPS.
+
+More complicated transparent padding example (used when alignment in image source is much more preferred than aligning in codes) 
+```
+ffmpeg -vsync vfr -i LayDown1.gif -vf "scale=iw:188:force_original_aspect_ratio=decrease,pad=iw:188:0:(oh-ih):color=#00000000,format=rgba" pngs/LayDown1_%d.png
+```
+
+The command above uses same input-output width, but pads the output height with a top transparent section such that the output height is fixed to 188px. 
+
+Similarly to crop a gif into pngs.
+```
+ffmpeg -vsync vfr -i Idle1.gif -vf "crop=70:ih:(iw-ow-10):0" pngs/Idle1_%d.png
+```

collider_visualizer/README.md

@@ -0,0 +1 @@
+This module is no longer useful, as we can now use GopherJs+OfflineMap to visualize experimental game dynamics.

frontend/assets/resources/animation/KnifeGirl.meta

@@ -0,0 +1,7 @@
+{
+  "ver": "1.0.1",
+  "uuid": "15043c55-01a9-408c-b985-910c5de144c7",
+  "isSubpackage": false,
+  "subpackageName": "",
+  "subMetas": {}
+}

frontend/assets/resources/animation/KnifeGirl/Atk1.anim

@@ -0,0 +1,91 @@
+{
+  "__type__": "cc.AnimationClip",
+  "_name": "Atk1",
+  "_objFlags": 0,
+  "_native": "",
+  "_duration": 0.6,
+  "sample": 60,
+  "speed": 1,
+  "wrapMode": 1,
+  "curveData": {
+    "comps": {
+      "cc.Sprite": {
+        "spriteFrame": [
+          {
+            "frame": 0,
+            "value": {
+              "__uuid__": "6b2a1a09-8236-4972-8aee-1781b6547d4e"
+            }
+          },
+          {
+            "frame": 0.06666666666666667,
+            "value": {
+              "__uuid__": "5b269b2e-0800-4bf5-b5db-055b78cf318d"
+            }
+          },
+          {
+            "frame": 0.11666666666666667,
+            "value": {
+              "__uuid__": "e184f831-3f90-47cb-8ca5-ad9446ba0398"
+            }
+          },
+          {
+            "frame": 0.18333333333333332,
+            "value": {
+              "__uuid__": "f260f82b-10cf-49af-b46c-cd8dc7a3503f"
+            }
+          },
+          {
+            "frame": 0.23333333333333334,
+            "value": {
+              "__uuid__": "09f43e75-0986-4b8f-907b-e5a5a73b7c54"
+            }
+          },
+          {
+            "frame": 0.2833333333333333,
+            "value": {
+              "__uuid__": "d7432402-fcbd-4e2e-b2c1-33364f31948b"
+            }
+          },
+          {
+            "frame": 0.3333333333333333,
+            "value": {
+              "__uuid__": "8acf1c5a-6910-47d6-aa18-1e6f07546d7a"
+            }
+          },
+          {
+            "frame": 0.38333333333333336,
+            "value": {
+              "__uuid__": "76120dbd-6390-4706-9580-dcec9687e83e"
+            }
+          },
+          {
+            "frame": 0.43333333333333335,
+            "value": {
+              "__uuid__": "f9a7a04a-2369-4946-8313-c2da896da51e"
+            }
+          },
+          {
+            "frame": 0.48333333333333334,
+            "value": {
+              "__uuid__": "c8fb14e2-745e-4a2b-b235-d43195052652"
+            }
+          },
+          {
+            "frame": 0.5333333333333333,
+            "value": {
+              "__uuid__": "1f23e0e5-830c-4d07-8f80-cbb98a2a1954"
+            }
+          },
+          {
+            "frame": 0.5833333333333334,
+            "value": {
+              "__uuid__": "4c512398-4290-4fdf-bb21-2b0062a9071b"
+            }
+          }
+        ]
+      }
+    }
+  },
+  "events": []
+}

frontend/assets/resources/animation/KnifeGirl/Atk1.anim.meta

@@ -0,0 +1,5 @@
+{
+  "ver": "2.1.0",
+  "uuid": "829b17c6-9365-4e97-b14f-fa266bd5ecbe",
+  "subMetas": {}
+}

frontend/assets/resources/animation/KnifeGirl/Atk2.anim

@@ -0,0 +1,91 @@
+{
+  "__type__": "cc.AnimationClip",
+  "_name": "Atk2",
+  "_objFlags": 0,
+  "_native": "",
+  "_duration": 1.0166666666666666,
+  "sample": 60,
+  "speed": 1,
+  "wrapMode": 1,
+  "curveData": {
+    "comps": {
+      "cc.Sprite": {
+        "spriteFrame": [
+          {
+            "frame": 0,
+            "value": {
+              "__uuid__": "60f9f7d4-5cf7-4098-9455-0f6a74963fc6"
+            }
+          },
+          {
+            "frame": 0.06666666666666667,
+            "value": {
+              "__uuid__": "dd9a00aa-ddbc-4b01-a7cb-3c43c3a655b6"
+            }
+          },
+          {
+            "frame": 0.11666666666666667,
+            "value": {
+              "__uuid__": "f66e83bd-1afc-4957-bb16-488d70566ed1"
+            }
+          },
+          {
+            "frame": 0.16666666666666666,
+            "value": {
+              "__uuid__": "bd682c41-dc62-49ff-a96a-18b33e50a6de"
+            }
+          },
+          {
+            "frame": 0.23333333333333334,
+            "value": {
+              "__uuid__": "94ccab85-e32f-4e13-b0e5-72c798f78ad1"
+            }
+          },
+          {
+            "frame": 0.3,
+            "value": {
+              "__uuid__": "e80d3a01-5048-42b7-a280-cb6aa01602c2"
+            }
+          },
+          {
+            "frame": 0.36666666666666664,
+            "value": {
+              "__uuid__": "d899088c-be62-47b4-9ebf-0a89a2261565"
+            }
+          },
+          {
+            "frame": 0.4166666666666667,
+            "value": {
+              "__uuid__": "5b1e5aa7-fd82-47ae-a5b2-6d4983d848ed"
+            }
+          },
+          {
+            "frame": 0.48333333333333334,
+            "value": {
+              "__uuid__": "c2945988-b4bb-4583-a5ef-2fa02b23a347"
+            }
+          },
+          {
+            "frame": 0.5666666666666667,
+            "value": {
+              "__uuid__": "070ea1e3-9c07-4735-8b94-515ef70216ad"
+            }
+          },
+          {
+            "frame": 0.6666666666666666,
+            "value": {
+              "__uuid__": "3b8bc5c0-26df-4218-b7dc-134a36080a35"
+            }
+          },
+          {
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frontend/assets/resources/animation/MonkGirl/InAirAtked1.anim.meta

@@ -0,0 +1,5 @@
+{
+  "ver": "2.1.0",
+  "uuid": "ee0b89e9-89f0-451e-a6ef-d41d64d3d67a",
+  "subMetas": {}
+}

frontend/assets/resources/animation/MonkGirl/InAirIdle1ByJump.anim

@@ -0,0 +1,91 @@
+{
+  "__type__": "cc.AnimationClip",
+  "_name": "InAirIdle1ByJump",
+  "_objFlags": 0,
+  "_native": "",
+  "_duration": 0.2,
+  "sample": 60,
+  "speed": 0.6,
+  "wrapMode": 1,
+  "curveData": {
+    "comps": {
+      "cc.Sprite": {
+        "spriteFrame": [
+          {
+            "frame": 0,
+            "value": {
+              "__uuid__": "21c7f1b2-77c7-4f9a-b5c6-b79d99553432"
+            }
+          },
+          {
+            "frame": 0.016666666666666666,
+            "value": {
+              "__uuid__": "9106d51d-808b-4cec-b03c-1a0e9de3dd13"
+            }
+          },
+          {
+            "frame": 0.03333333333333333,
+            "value": {
+              "__uuid__": "23199f52-ded0-4271-b426-17c6037989a4"
+            }
+          },
+          {
+            "frame": 0.05,
+            "value": {
+              "__uuid__": "293367f0-6557-40d2-aff5-4f6b9faa3b14"
+            }
+          },
+          {
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+            "value": {
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+            "value": {
+              "__uuid__": "de0e3195-e56e-4bba-82f6-72635f453eea"
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+          },
+          {
+            "frame": 0.1,
+            "value": {
+              "__uuid__": "93e7fb75-b42d-4da9-860d-2e7dd0930d8d"
+            }
+          },
+          {
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+            "value": {
+              "__uuid__": "1a789615-1580-4342-b739-7ef94c80b34a"
+            }
+          },
+          {
+            "frame": 0.13333333333333333,
+            "value": {
+              "__uuid__": "5331bbb0-fad4-402c-8788-cb070cc8fb7c"
+            }
+          },
+          {
+            "frame": 0.15,
+            "value": {
+              "__uuid__": "2f2bce67-0e39-45ee-aebf-b15e0d0c341f"
+            }
+          },
+          {
+            "frame": 0.16666666666666666,
+            "value": {
+              "__uuid__": "77a2f890-6627-4699-9278-21d7365bd2c8"
+            }
+          },
+          {
+            "frame": 0.18333333333333332,
+            "value": {
+              "__uuid__": "ce3e8e33-4420-478b-a084-5a7f77d584b8"
+            }
+          }
+        ]
+      }
+    }
+  },
+  "events": []
+}

frontend/assets/resources/animation/MonkGirl/InAirIdle1ByJump.anim.meta

@@ -0,0 +1,5 @@
+{
+  "ver": "2.1.0",
+  "uuid": "170bbc56-3cff-4a81-b48f-a037b9418758",
+  "subMetas": {}
+}

frontend/assets/resources/animation/MonkGirl/InAirIdle1NoJump.anim

@@ -0,0 +1,25 @@
+{
+  "__type__": "cc.AnimationClip",
+  "_name": "InAirIdle1NoJump",
+  "_objFlags": 0,
+  "_native": "",
+  "_duration": 0.016666666666666666,
+  "sample": 60,
+  "speed": 1,
+  "wrapMode": 1,
+  "curveData": {
+    "comps": {
+      "cc.Sprite": {
+        "spriteFrame": [
+          {
+            "frame": 0,
+            "value": {
+              "__uuid__": "ce3e8e33-4420-478b-a084-5a7f77d584b8"
+            }
+          }
+        ]
+      }
+    }
+  },
+  "events": []
+}

frontend/assets/resources/animation/MonkGirl/InAirIdle1NoJump.anim.meta

@@ -0,0 +1,5 @@
+{
+  "ver": "2.1.0",
+  "uuid": "996c218a-9e18-441e-b0f8-e61c5c991b9e",
+  "subMetas": {}
+}

frontend/assets/resources/animation/MonkGirl/LayDown1.anim

@@ -0,0 +1,49 @@
+{
+  "__type__": "cc.AnimationClip",
+  "_name": "LayDown1",
+  "_objFlags": 0,
+  "_native": "",
+  "_duration": 0.08333333333333333,
+  "sample": 60,
+  "speed": 0.3,
+  "wrapMode": 1,
+  "curveData": {
+    "comps": {
+      "cc.Sprite": {
+        "spriteFrame": [
+          {
+            "frame": 0,
+            "value": {
+              "__uuid__": "e1f19129-8517-47fa-814d-b79c8abcd549"
+            }
+          },
+          {
+            "frame": 0.016666666666666666,
+            "value": {
+              "__uuid__": "b4127445-a13e-4244-9656-92033a5abcca"
+            }
+          },
+          {
+            "frame": 0.03333333333333333,
+            "value": {
+              "__uuid__": "64a8e39c-95ed-4181-b777-b05434d1fa6d"
+            }
+          },
+          {
+            "frame": 0.05,
+            "value": {
+              "__uuid__": "5d1458ae-8812-4c4a-a01f-0a2b901ed3f3"
+            }
+          },
+          {
+            "frame": 0.06666666666666667,
+            "value": {
+              "__uuid__": "ac0b9039-5caf-4bc1-bf29-2a733fbb7898"
+            }
+          }
+        ]
+      }
+    }
+  },
+  "events": []
+}

frontend/assets/resources/animation/MonkGirl/LayDown1.anim.meta

@@ -0,0 +1,5 @@
+{
+  "ver": "2.1.0",
+  "uuid": "0978395c-8947-4830-9f68-58fadcbe5c63",
+  "subMetas": {}
+}

frontend/assets/resources/animation/MonkGirl/MonkGirl.png.meta

@@ -0,0 +1,12 @@
+{
+  "ver": "2.3.3",
+  "uuid": "8d4cf214-f71c-4237-bdc1-ca0069909248",
+  "type": "raw",
+  "wrapMode": "clamp",
+  "filterMode": "bilinear",
+  "premultiplyAlpha": false,
+  "genMipmaps": false,
+  "packable": true,
+  "platformSettings": {},
+  "subMetas": {}
+}

frontend/assets/resources/animation/MonkGirl/Walking.anim

@@ -0,0 +1,129 @@
+{
+  "__type__": "cc.AnimationClip",
+  "_name": "Walking",
+  "_objFlags": 0,
+  "_native": "",
+  "_duration": 0.6666666666666666,
+  "sample": 60,
+  "speed": 1,
+  "wrapMode": 2,
+  "curveData": {
+    "comps": {
+      "cc.Sprite": {
+        "spriteFrame": [
+          {
+            "frame": 0,
+            "value": {
+              "__uuid__": "60f04127-1580-4dda-828b-57d82e991398"
+            }
+          },
+          {
+            "frame": 0.05,
+            "value": {
+              "__uuid__": "37eea7f3-5a1d-4172-be38-9b492399ef44"
+            }
+          },
+          {
+            "frame": 0.1,
+            "value": {
+              "__uuid__": "0e2ad2ed-2b21-4e14-9607-5a341d9ed7e4"
+            }
+          },
+          {
+            "frame": 0.15,
+            "value": {
+              "__uuid__": "e1625aba-a6fc-4883-a696-2d9d56d3050d"
+            }
+          },
+          {
+            "frame": 0.2,
+            "value": {
+              "__uuid__": "86f805a2-a27c-4c96-8e11-acc448b0bdd0"
+            }
+          },
+          {
+            "frame": 0.25,
+            "value": {
+              "__uuid__": "63bcaa39-1cc5-461f-a175-0d7a0abd3510"
+            }
+          },
+          {
+            "frame": 0.3,
+            "value": {
+              "__uuid__": "691383d5-9199-4bd5-9803-403216331d7f"
+            }
+          },
+          {
+            "frame": 0.35,
+            "value": {
+              "__uuid__": "602818c2-1242-4a24-87ba-77f6accccbc3"
+            }
+          },
+          {
+            "frame": 0.4,
+            "value": {
+              "__uuid__": "650b8ccb-2a82-4972-bb5b-79a2cb4a3503"
+            }
+          },
+          {
+            "frame": 0.45,
+            "value": {
+              "__uuid__": "b264bcc2-71c7-45a6-8c94-be049bb0d163"
+            }
+          },
+          {
+            "frame": 0.5,
+            "value": {
+              "__uuid__": "3e2e26f7-007a-4130-8d90-154dfcde96d3"
+            }
+          },
+          {
+            "frame": 0.55,
+            "value": {
+              "__uuid__": "275387d0-70fd-47f5-b82e-14165a14c45a"
+            }
+          },
+          {
+            "frame": 0.6,
+            "value": {
+              "__uuid__": "9cf71d99-7262-4a6c-8c27-06167d841a24"
+            }
+          },
+          {
+            "frame": 0.65,
+            "value": {
+              "__uuid__": "60f04127-1580-4dda-828b-57d82e991398"
+            }
+          }
+        ]
+      }
+    }
+  },
+  "events": [
+    {
+      "frame": 0,
+      "func": "",
+      "params": []
+    },
+    {
+      "frame": 0,
+      "func": "",
+      "params": []
+    },
+    {
+      "frame": 0,
+      "func": "",
+      "params": []
+    },
+    {
+      "frame": 0,
+      "func": "",
+      "params": []
+    },
+    {
+      "frame": 0,
+      "func": "",
+      "params": []
+    }
+  ]
+}

frontend/assets/resources/animation/MonkGirl/Walking.anim.meta

@@ -0,0 +1,5 @@
+{
+  "ver": "2.1.0",
+  "uuid": "768d591b-4467-4a8f-95bf-4f7fcc3835b6",
+  "subMetas": {}
+}

frontend/assets/resources/map/dungeon/map.tmx

@@ -1,18 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map version="1.2" tiledversion="1.2.3" orientation="orthogonal" renderorder="right-down" width="128" height="128" tilewidth="16" tileheight="16" infinite="0" nextlayerid="4" nextobjectid="104">
+<map version="1.2" tiledversion="1.2.3" orientation="orthogonal" renderorder="right-down" width="128" height="128" tilewidth="16" tileheight="16" infinite="0" nextlayerid="4" nextobjectid="107">
  <tileset firstgid="1" source="tiles0.tsx"/>
  <tileset firstgid="65" source="tiles1.tsx"/>
  <tileset firstgid="129" source="tiles2.tsx"/>
  <layer id="2" name="Ground" width="128" height="128">
   <data encoding="base64" compression="zlib">
-   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
+   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
   </data>
  </layer>
  <objectgroup id="1" name="PlayerStartingPos">
-  <object id="135" x="901" y="1579">
+  <object id="135" x="1040.33" y="1081">
    <point/>
   </object>
-  <object id="137" x="861" y="1540">
+  <object id="137" x="1134.67" y="1081.67">
    <point/>
   </object>
  </objectgroup>
@@ -200,5 +200,20 @@
     <property name="boundary_type" value="barrier"/>
    </properties>
   </object>
+  <object id="104" x="928" y="1088" width="304" height="16">
+   <properties>
+    <property name="boundary_type" value="barrier"/>
+   </properties>
+  </object>
+  <object id="105" x="928" y="1008" width="16" height="96">
+   <properties>
+    <property name="boundary_type" value="barrier"/>
+   </properties>
+  </object>
+  <object id="106" x="1216" y="1008" width="16" height="96">
+   <properties>
+    <property name="boundary_type" value="barrier"/>
+   </properties>
+  </object>
  </objectgroup>
 </map>

frontend/assets/resources/pbfiles/room_downsync_frame.proto

@@ -15,7 +15,7 @@ message PlayerDownsync {
   int32 speed = 8; // this is the instantaneous scalar attribute of a character, different from but will be accounted in "velX" and "velY" 
   int32 battleState = 9;
   int32 joinIndex = 10;
-  double colliderRadius = 11;
+  int32 colliderRadius = 11;
   bool removed = 12;
   int32 score = 13;
   int32 lastMoveGmtMillis = 14;
@@ -24,10 +24,14 @@ message PlayerDownsync {
   int32 maxHp = 17;
   int32 characterState = 18;
   bool inAir = 19; // by design a standalone field only inferred by the collision result of "applyInputFrameDownsyncDynamicsOnSingleRenderFrame" instead of "characterState", because we need check the transition for "characterState" from this field, i.e. "inAir (prev -> curr)"  
+  int32 framesInChState = 20; // number of frames elapsed in the current character state   
+  int32 activeSkillId = 21;
+  int32 activeSkillHit = 22;
+  int32 framesInvinsible = 23;
 
-  string name = 20;
+  string name = 997;
-  string displayName = 21;
+  string displayName = 998;
-  string avatar = 22;
+  string avatar = 999;
 }
 
 message InputFrameDecoded {
@@ -84,67 +88,47 @@ message MeleeBullet {
   // ALL lengths are in world coordinate
 
   // for offender  
-  int32 battleLocalId = 1;
+  int32 originatedRenderFrameId = 1; 
-  int32 startupFrames = 2; 
+  int32 offenderJoinIndex = 2;    
-  int32 activeFrames = 3;  
-  int32 recoveryFrames = 4;
-  int32 recoveryFramesOnBlock = 5; 
-  int32 recoveryFramesOnHit = 6;  
-  double hitboxOffset = 7;  
-  int32 originatedRenderFrameId = 8; 
 
-  // for defender
+  int32 startupFrames = 3; 
-  int32 hitStunFrames = 9; 
+  int32 cancellableStFrame = 4;
-  int32 blockStunFrames = 10; 
+  int32 cancellableEdFrame = 5;
-  double pushback = 11;  
+  int32 activeFrames = 6;  
 
-  int32 releaseTriggerType = 12; // 1: rising-edge, 2: falling-edge  
+  int32 hitStunFrames = 7; 
-  int32 damage = 13;   
+  int32 blockStunFrames = 8; 
+  int32 pushbackVelX = 9;  
+  int32 pushbackVelY = 10;  
+  int32 damage = 11;   
 
-  int32 offenderJoinIndex = 14;    
+  int32 selfLockVelX = 12;  
-  int32 offenderPlayerId = 15;    
+  int32 selfLockVelY = 13;  
 
-  double hitboxSizeX = 16; 
+  int32 hitboxOffsetX = 14;  
-  double hitboxSizeY = 17;
+  int32 hitboxOffsetY = 15;  
+  int32 hitboxSizeX = 16; 
+  int32 hitboxSizeY = 17;
 
-  double selfMoveforwardX = 18;  
+  bool blowUp = 18;
-  double selfMoveforwardY = 19;  
 } 
 
 message BattleColliderInfo {
   string stageName = 1;
-  int32 stageDiscreteW = 2;
-  int32 stageDiscreteH = 3;
-  int32 stageTileW = 4;
-  int32 stageTileH = 5;
 
-  int32 intervalToPing        = 6;
+  int32 intervalToPing        = 2;
-  int32 willKickIfInactiveFor = 7;
+  int32 willKickIfInactiveFor = 3;
-  int32 boundRoomId           = 8;
+  int32 boundRoomId           = 4;
-  int32 battleDurationFrames  = 9;
+  int64 battleDurationNanos   = 5;
-  int64 battleDurationNanos   = 10;
+  int32 inputFrameUpsyncDelayTolerance = 6;  
-  int32 serverFps             = 11;
+  int32 maxChasingRenderFramesPerUpdate = 7;
-  int32 inputDelayFrames      = 12; // in the count of render frames
+  double rollbackEstimatedDtMillis = 8;
-  uint32 inputScaleFrames     = 13; // inputDelayedAndScaledFrameId = ((originalFrameId - InputDelayFrames) >> InputScaleFrames)
+  int64 rollbackEstimatedDtNanos = 9;
-  int32 nstDelayFrames        = 14; // network-single-trip delay in the count of render frames, proposed to be (InputDelayFrames >> 1) because we expect a round-trip delay to be exactly "InputDelayFrames"
-  int32 inputFrameUpsyncDelayTolerance = 15;  
-  int32 maxChasingRenderFramesPerUpdate = 16;
-  int32 playerBattleState = 17;
-  double rollbackEstimatedDtMillis = 18;
-  int64 rollbackEstimatedDtNanos = 19;
  
-  double worldToVirtualGridRatio = 20;
+  int32 renderCacheSize = 10;
-  double virtualGridToWorldRatio = 21;
+  double spaceOffsetX = 11;
-
+  double spaceOffsetY = 12;
-  int32 spAtkLookupFrames = 22;
+  int32 collisionMinStep = 13;
-  int32 renderCacheSize = 23;
-
-  double snapIntoPlatformOverlap = 24; 
-  double snapIntoPlatformThreshold = 25; 
-  int32 jumpingInitVelY = 26;
-  int32 gravityX = 27;
-  int32 gravityY = 28;
-  int32 collisionMinStep = 29;
 
   bool frameDataLoggingEnabled = 999;
 }
@@ -156,5 +140,5 @@ message RoomDownsyncFrame {
   repeated MeleeBullet meleeBullets = 4; // I don't know how to mimic inheritance/composition in protobuf by far, thus using an array for each type of bullet as a compromise 
   uint64 backendUnconfirmedMask = 5; // Indexed by "joinIndex", same compression concern as stated in InputFrameDownsync
   bool shouldForceResync = 6;
-  map<int32, int32> playerOpPatternToSkillId = 7; 
+  repeated int32 speciesIdList = 7;
 }

frontend/assets/resources/prefabs/ControlledCharacter.prefab

@@ -33,14 +33,14 @@
     "_active": true,
     "_components": [
       {
-        "__id__": 23
+        "__id__": 21
       },
       {
-        "__id__": 24
+        "__id__": 22
       }
     ],
     "_prefab": {
-      "__id__": 25
+      "__id__": 23
     },
     "_opacity": 255,
     "_color": {
@@ -489,16 +489,13 @@
         "__id__": 12
       },
       {
-        "__id__": 15
+        "__id__": 16
-      },
-      {
-        "__id__": 18
       }
     ],
     "_active": true,
     "_components": [],
     "_prefab": {
-      "__id__": 22
+      "__id__": 20
     },
     "_opacity": 255,
     "_color": {
@@ -549,253 +546,23 @@
   },
   {
     "__type__": "cc.Node",
-    "_name": "SoldierWaterGhost",
+    "_name": "MonkGirl",
     "_objFlags": 0,
     "_parent": {
       "__id__": 11
     },
     "_children": [],
-    "_active": false,
+    "_active": true,
     "_components": [
       {
         "__id__": 13
-      }
-    ],
-    "_prefab": {
-      "__id__": 14
-    },
-    "_opacity": 255,
-    "_color": {
-      "__type__": "cc.Color",
-      "r": 255,
-      "g": 255,
-      "b": 255,
-      "a": 255
-    },
-    "_contentSize": {
-      "__type__": "cc.Size",
-      "width": 0,
-      "height": 0
-    },
-    "_anchorPoint": {
-      "__type__": "cc.Vec2",
-      "x": 0.5,
-      "y": 0.5
-    },
-    "_trs": {
-      "__type__": "TypedArray",
-      "ctor": "Float64Array",
-      "array": [
-        0,
-        -24,
-        0,
-        0,
-        0,
-        0,
-        1,
-        1,
-        1,
-        1
-      ]
-    },
-    "_eulerAngles": {
-      "__type__": "cc.Vec3",
-      "x": 0,
-      "y": 0,
-      "z": 0
-    },
-    "_skewX": 0,
-    "_skewY": 0,
-    "_is3DNode": false,
-    "_groupIndex": 0,
-    "groupIndex": 0,
-    "_id": ""
-  },
-  {
-    "__type__": "dragonBones.ArmatureDisplay",
-    "_name": "",
-    "_objFlags": 0,
-    "node": {
-      "__id__": 12
-    },
-    "_enabled": true,
-    "_materials": [
-      {
-        "__uuid__": "eca5d2f2-8ef6-41c2-bbe6-f9c79d09c432"
-      }
-    ],
-    "_armatureName": "SoldierWaterGhost",
-    "_animationName": "Idle1",
-    "_preCacheMode": 0,
-    "_cacheMode": 0,
-    "playTimes": -1,
-    "premultipliedAlpha": false,
-    "_armatureKey": "2ae76843-1f61-48cf-bbfb-384c0dcf77e1#e9e703e9-3589-4713-b889-28b23406d220",
-    "_accTime": 0,
-    "_playCount": 0,
-    "_frameCache": null,
-    "_curFrame": null,
-    "_playing": false,
-    "_armatureCache": null,
-    "_N$dragonAsset": {
-      "__uuid__": "2ae76843-1f61-48cf-bbfb-384c0dcf77e1"
-    },
-    "_N$dragonAtlasAsset": {
-      "__uuid__": "e9e703e9-3589-4713-b889-28b23406d220"
-    },
-    "_N$_defaultArmatureIndex": 0,
-    "_N$_animationIndex": 8,
-    "_N$_defaultCacheMode": 0,
-    "_N$timeScale": 1,
-    "_N$debugBones": false,
-    "_N$enableBatch": false,
-    "_id": ""
-  },
-  {
-    "__type__": "cc.PrefabInfo",
-    "root": {
-      "__id__": 1
-    },
-    "asset": {
-      "__uuid__": "59bff7a2-23e1-4d69-bce7-afb37eae196a"
-    },
-    "fileId": "42Rmp/YOdMOYWzJwr3ET1h",
-    "sync": false
-  },
-  {
-    "__type__": "cc.Node",
-    "_name": "SoldierFireGhost",
-    "_objFlags": 0,
-    "_parent": {
-      "__id__": 11
-    },
-    "_children": [],
-    "_active": false,
-    "_components": [
-      {
-        "__id__": 16
-      }
-    ],
-    "_prefab": {
-      "__id__": 17
-    },
-    "_opacity": 255,
-    "_color": {
-      "__type__": "cc.Color",
-      "r": 255,
-      "g": 255,
-      "b": 255,
-      "a": 255
-    },
-    "_contentSize": {
-      "__type__": "cc.Size",
-      "width": 0,
-      "height": 0
-    },
-    "_anchorPoint": {
-      "__type__": "cc.Vec2",
-      "x": 0.5,
-      "y": 0.5
-    },
-    "_trs": {
-      "__type__": "TypedArray",
-      "ctor": "Float64Array",
-      "array": [
-        0,
-        -24,
-        0,
-        0,
-        0,
-        0,
-        1,
-        1,
-        1,
-        1
-      ]
-    },
-    "_eulerAngles": {
-      "__type__": "cc.Vec3",
-      "x": 0,
-      "y": 0,
-      "z": 0
-    },
-    "_skewX": 0,
-    "_skewY": 0,
-    "_is3DNode": false,
-    "_groupIndex": 0,
-    "groupIndex": 0,
-    "_id": ""
-  },
-  {
-    "__type__": "dragonBones.ArmatureDisplay",
-    "_name": "",
-    "_objFlags": 0,
-    "node": {
-      "__id__": 15
-    },
-    "_enabled": true,
-    "_materials": [
-      {
-        "__uuid__": "eca5d2f2-8ef6-41c2-bbe6-f9c79d09c432"
-      }
-    ],
-    "_armatureName": "SoldierFireGhost",
-    "_animationName": "Idle1",
-    "_preCacheMode": 0,
-    "_cacheMode": 0,
-    "playTimes": -1,
-    "premultipliedAlpha": false,
-    "_armatureKey": "36230012-8df3-4e85-afad-76ec47d0e4d7#4a9187d5-a9ad-4464-a03c-d2f3cc277051",
-    "_accTime": 0,
-    "_playCount": 0,
-    "_frameCache": null,
-    "_curFrame": null,
-    "_playing": false,
-    "_armatureCache": null,
-    "_N$dragonAsset": {
-      "__uuid__": "36230012-8df3-4e85-afad-76ec47d0e4d7"
-    },
-    "_N$dragonAtlasAsset": {
-      "__uuid__": "4a9187d5-a9ad-4464-a03c-d2f3cc277051"
-    },
-    "_N$_defaultArmatureIndex": 0,
-    "_N$_animationIndex": 8,
-    "_N$_defaultCacheMode": 0,
-    "_N$timeScale": 1,
-    "_N$debugBones": false,
-    "_N$enableBatch": false,
-    "_id": ""
-  },
-  {
-    "__type__": "cc.PrefabInfo",
-    "root": {
-      "__id__": 1
-    },
-    "asset": {
-      "__uuid__": "59bff7a2-23e1-4d69-bce7-afb37eae196a"
-    },
-    "fileId": "3b2LJFABVL7ozO2U81FC4U",
-    "sync": false
-  },
-  {
-    "__type__": "cc.Node",
-    "_name": "UltramanTiga",
-    "_objFlags": 0,
-    "_parent": {
-      "__id__": 11
-    },
-    "_children": [],
-    "_active": false,
-    "_components": [
-      {
-        "__id__": 19
       },
       {
-        "__id__": 20
+        "__id__": 14
       }
     ],
     "_prefab": {
-      "__id__": 21
+      "__id__": 15
     },
     "_opacity": 255,
     "_color": {
@@ -813,21 +580,21 @@
     "_anchorPoint": {
       "__type__": "cc.Vec2",
       "x": 0.5,
-      "y": 0.5
+      "y": 0
     },
     "_trs": {
       "__type__": "TypedArray",
       "ctor": "Float64Array",
       "array": [
         0,
-        0,
+        -24,
         0,
         0,
         0,
         0,
         1,
         0.7,
-        0.7,
+        0.6,
         1
       ]
     },
@@ -849,31 +616,49 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 18
+      "__id__": 12
     },
     "_enabled": true,
     "_defaultClip": null,
     "_clips": [
       {
-        "__uuid__": "252b321f-81f4-485c-85bd-ea44d298cb76"
+        "__uuid__": "a0d8b9a6-7bf7-4cf5-aecb-54b2908cbfb3"
       },
       {
-        "__uuid__": "f51bb583-0010-48f3-a6a1-451a78ac2d65"
+        "__uuid__": "768d591b-4467-4a8f-95bf-4f7fcc3835b6"
       },
       {
-        "__uuid__": "c738236a-0702-45f8-aa38-99457b051997"
+        "__uuid__": "c3d4f508-b3a9-4deb-b2d1-8ddc7bf22e0c"
       },
       {
-        "__uuid__": "c69bcceb-d7d1-4e33-9623-e2a374a0a6b6"
+        "__uuid__": "1ec27664-cd2a-4c7a-838f-953a7713ceca"
       },
       {
-        "__uuid__": "43dbf141-be76-48c3-bdef-29233ccbe30d"
+        "__uuid__": "996c218a-9e18-441e-b0f8-e61c5c991b9e"
       },
       {
-        "__uuid__": "8710591c-3f5e-4911-83e7-42cc18be6af9"
+        "__uuid__": "170bbc56-3cff-4a81-b48f-a037b9418758"
       },
       {
-        "__uuid__": "c69bcceb-d7d1-4e33-9623-e2a374a0a6b6"
+        "__uuid__": "555d837b-4a68-4a28-b9ff-e97e393d1a05"
+      },
+      {
+        "__uuid__": "ee0b89e9-89f0-451e-a6ef-d41d64d3d67a"
+      },
+      {
+        "__uuid__": "f87054fd-328f-4001-a8ff-b4c049cc1e6d"
+      },
+      {
+        "__uuid__": "0978395c-8947-4830-9f68-58fadcbe5c63"
+      },
+      {
+        "__uuid__": "7cb4d395-c68f-4643-9e2e-8cb8e200d3a5"
+      },
+      {
+        "__uuid__": "e6e1d62a-de7d-4fe7-858c-2d2725b7c2e8"
+      },
+      {
+        "__uuid__": "e8247e2a-1b5b-4618-86f8-224b25246b55"
       }
     ],
     "playOnLoad": false,
@@ -884,7 +669,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 18
+      "__id__": 12
     },
     "_enabled": true,
     "_materials": [
@@ -907,7 +692,7 @@
     "_fillRange": 0,
     "_isTrimmedMode": true,
     "_atlas": {
-      "__uuid__": "5d522f7b-359b-4f38-ac35-55fdbee56cae"
+      "__uuid__": "725c90f9-56f8-48ea-9159-4d2949cd3ce0"
     },
     "_id": ""
   },
@@ -919,7 +704,170 @@
     "asset": {
       "__uuid__": "59bff7a2-23e1-4d69-bce7-afb37eae196a"
     },
-    "fileId": "17JdhftghBYr81MfV9i6cy",
+    "fileId": "6cGpRwF5ZPjpJdtoqbrnta",
+    "sync": false
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "KnifeGirl",
+    "_objFlags": 0,
+    "_parent": {
+      "__id__": 11
+    },
+    "_children": [],
+    "_active": false,
+    "_components": [
+      {
+        "__id__": 17
+      },
+      {
+        "__id__": 18
+      }
+    ],
+    "_prefab": {
+      "__id__": 19
+    },
+    "_opacity": 255,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 1425,
+      "height": 1024
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0
+    },
+    "_trs": {
+      "__type__": "TypedArray",
+      "ctor": "Float64Array",
+      "array": [
+        0,
+        -24,
+        0,
+        0,
+        0,
+        0,
+        1,
+        0.7,
+        0.5,
+        1
+      ]
+    },
+    "_eulerAngles": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_skewX": 0,
+    "_skewY": 0,
+    "_is3DNode": false,
+    "_groupIndex": 0,
+    "groupIndex": 0,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.Animation",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 16
+    },
+    "_enabled": true,
+    "_defaultClip": null,
+    "_clips": [
+      {
+        "__uuid__": "5afe50e0-d03f-4d48-a7c0-a350c36e14d4"
+      },
+      {
+        "__uuid__": "f7f60d3f-32c0-4b56-901e-6eec9f73fa83"
+      },
+      {
+        "__uuid__": "829b17c6-9365-4e97-b14f-fa266bd5ecbe"
+      },
+      {
+        "__uuid__": "2a50c853-000b-46f3-ae59-1dfb793de814"
+      },
+      {
+        "__uuid__": "bc461a02-4d1a-46a4-9f3c-7370adc6c1c8"
+      },
+      {
+        "__uuid__": "c4ddf3ea-2292-4511-a320-5486934ac361"
+      },
+      {
+        "__uuid__": "0e7468cc-b90d-4f68-91ce-0be126b406dd"
+      },
+      {
+        "__uuid__": "c86debde-118b-46b8-b483-f5ccec337315"
+      },
+      {
+        "__uuid__": "0892a3ea-9da1-4157-825b-0c8ef1c73eeb"
+      },
+      {
+        "__uuid__": "0a6478a6-f4cc-47cb-a1c6-761cf9141eb2"
+      },
+      {
+        "__uuid__": "7d69868f-d474-4d86-a262-01f1cdd49021"
+      },
+      {
+        "__uuid__": "52b8e47d-715c-4c12-a2c9-6f553e14dc42"
+      },
+      {
+        "__uuid__": "9b500cb0-8048-4715-81db-cc975c914225"
+      }
+    ],
+    "playOnLoad": false,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.Sprite",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 16
+    },
+    "_enabled": true,
+    "_materials": [
+      {
+        "__uuid__": "eca5d2f2-8ef6-41c2-bbe6-f9c79d09c432"
+      }
+    ],
+    "_srcBlendFactor": 770,
+    "_dstBlendFactor": 771,
+    "_spriteFrame": null,
+    "_type": 0,
+    "_sizeMode": 1,
+    "_fillType": 0,
+    "_fillCenter": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_fillStart": 0,
+    "_fillRange": 0,
+    "_isTrimmedMode": true,
+    "_atlas": {
+      "__uuid__": "579bc0c1-f5e2-4a5d-889b-9d567e53b0e6"
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
+      "__id__": 1
+    },
+    "asset": {
+      "__uuid__": "59bff7a2-23e1-4d69-bce7-afb37eae196a"
+    },
+    "fileId": "bdCx1wrTtJ1KaGHUmgL7iA",
     "sync": false
   },
   {

frontend/assets/scenes/login.fire

@@ -440,7 +440,7 @@
       "array": [
         0,
         0,
-        216.6771387800957,
+        217.36724690689908,
         0,
         0,
         0,

frontend/assets/scenes/offline_map.fire

@@ -461,7 +461,7 @@
       "array": [
         0,
         0,
-        216.50635094610968,
+        217.36724690689908,
         0,
         0,
         0,

frontend/assets/scripts/AttackingCharacter.js

@@ -5,33 +5,17 @@ window.ATK_CHARACTER_STATE = {
   Walking: [1, "Walking"],
   Atk1: [2, "Atk1"],
   Atked1: [3, "Atked1"],
-  InAirIdle1: [4, "InAirIdle1"],
+  InAirIdle1NoJump: [4, "InAirIdle1NoJump"],
-  InAirAtk1: [5, "Atk1"],
+  InAirIdle1ByJump: [5, "InAirIdle1ByJump"], // The cycling part of it would be exactly "InAirIdle1NoJump"
-  InAirAtked1: [6, "Atked1"],
+  InAirAtk1: [6, "InAirAtk1"],
+  InAirAtked1: [7, "InAirAtked1"],
+  BlownUp1: [8, "BlownUp1"],
+  LayDown1: [9, "LayDown1"], // The last frame of "LayDown1" should have a simliar boundingbox with the first frame of "GetUp1", otherwise the animation would seem odd
+  GetUp1: [10, "GetUp1"],
+  Atk2:   [11, "Atk2"],
+  Atk3:   [12, "Atk3"],
 };
 
-window.toInAirConjugate = function(foo) {
-  switch (foo) {
-    case window.ATK_CHARACTER_STATE.Idle1[0]:
-    case window.ATK_CHARACTER_STATE.Walking[0]:
-      return window.ATK_CHARACTER_STATE.InAirIdle1[0];
-    case window.ATK_CHARACTER_STATE.Atk1[0]:
-      return window.ATK_CHARACTER_STATE.InAirAtk1[0];
-    case window.ATK_CHARACTER_STATE.Atked1[0]:
-      return window.ATK_CHARACTER_STATE.InAirAtked1[0];
-
-    case window.ATK_CHARACTER_STATE.InAirIdle1[0]:
-      return window.ATK_CHARACTER_STATE.Idle1[0];
-    case window.ATK_CHARACTER_STATE.InAirAtk1[0]:
-      return window.ATK_CHARACTER_STATE.Atk1[0];
-    case window.ATK_CHARACTER_STATE.InAirAtked1[0]:
-      return window.ATK_CHARACTER_STATE.Atked1[0];
-    default:
-      console.warn(`Invalid characterState ${foo} received, no in air conjugate is available!`);
-      return null;
-  }
-}
-
 window.ATK_CHARACTER_STATE_ARR = [];
 for (let k in window.ATK_CHARACTER_STATE) {
   window.ATK_CHARACTER_STATE_ARR.push(window.ATK_CHARACTER_STATE[k]);
@@ -40,12 +24,18 @@ for (let k in window.ATK_CHARACTER_STATE) {
 window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET = new Set();
 window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.add(window.ATK_CHARACTER_STATE.Idle1[0]);
 window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.add(window.ATK_CHARACTER_STATE.Walking[0]);
-window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.add(window.ATK_CHARACTER_STATE.InAirIdle1[0]);
+window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.add(window.ATK_CHARACTER_STATE.InAirIdle1NoJump[0]);
+window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.add(window.ATK_CHARACTER_STATE.InAirIdle1ByJump[0]);
+window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.add(window.ATK_CHARACTER_STATE.BlownUp1[0]);
+window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.add(window.ATK_CHARACTER_STATE.LayDown1[0]);
+window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.add(window.ATK_CHARACTER_STATE.GetUp1[0]);
 
 window.ATK_CHARACTER_STATE_IN_AIR_SET = new Set();
-window.ATK_CHARACTER_STATE_IN_AIR_SET.add(window.ATK_CHARACTER_STATE.InAirIdle1[0]);
+window.ATK_CHARACTER_STATE_IN_AIR_SET.add(window.ATK_CHARACTER_STATE.InAirIdle1NoJump[0]);
+window.ATK_CHARACTER_STATE_IN_AIR_SET.add(window.ATK_CHARACTER_STATE.InAirIdle1ByJump[0]);
 window.ATK_CHARACTER_STATE_IN_AIR_SET.add(window.ATK_CHARACTER_STATE.InAirAtk1[0]);
 window.ATK_CHARACTER_STATE_IN_AIR_SET.add(window.ATK_CHARACTER_STATE.InAirAtked1[0]);
+window.ATK_CHARACTER_STATE_IN_AIR_SET.add(window.ATK_CHARACTER_STATE.BlownUp1[0]);
 
 /*
 Kindly note that the use of dragonBones anim is an informed choice for the feasibility of "gotoAndPlayByFrame", which is a required feature by "Map.rollbackAndChase". You might find that "cc.Animation" -- the traditional frame anim -- can also suffice this requirement, yet if we want to develop 3D frontend in the future, working with skeletal anim will make a smoother transition.
@@ -80,19 +70,19 @@ cc.Class({
     this.animComp = this.effAnimNode.getComponent(dragonBones.ArmatureDisplay);
     if (!this.animComp) {
       this.animComp = this.effAnimNode.getComponent(cc.Animation);
-    } 
+    }
     this.effAnimNode.active = true;
   },
 
-  updateCharacterAnim(rdfPlayer, prevRdfPlayer, forceAnimSwitch) {
+  updateCharacterAnim(rdfPlayer, prevRdfPlayer, forceAnimSwitch, chConfig) {
     // As this function might be called after many frames of a rollback, it's possible that the playing animation was predicted, different from "prevRdfPlayer.CharacterState" but same as "newCharacterState". More granular checks are needed to determine whether we should interrupt the playing animation.  
 
     // Update directions
     if (this.animComp && this.animComp.node) {
       if (0 > rdfPlayer.DirX) {
-        this.animComp.node.scaleX = (-1.0);
+        this.animNode.scaleX = (-1.0);
       } else if (0 < rdfPlayer.DirX) {
-        this.animComp.node.scaleX = (1.0);
+        this.animNode.scaleX = (1.0);
       }
     }
 
@@ -117,29 +107,25 @@ cc.Class({
     }
 
     if (this.animComp instanceof dragonBones.ArmatureDisplay) {
-      this._interruptPlayingAnimAndPlayNewAnimDragonBones(rdfPlayer, prevRdfPlayer, newCharacterState, newAnimName, underlyingAnimationCtrl, playingAnimName);
+      this._interruptPlayingAnimAndPlayNewAnimDragonBones(rdfPlayer, prevRdfPlayer, newCharacterState, newAnimName, underlyingAnimationCtrl, playingAnimName, chConfig);
     } else {
-      this._interruptPlayingAnimAndPlayNewAnimFrameAnim(rdfPlayer, prevRdfPlayer, newCharacterState, newAnimName, playingAnimName);
+      this._interruptPlayingAnimAndPlayNewAnimFrameAnim(rdfPlayer, prevRdfPlayer, newCharacterState, newAnimName, playingAnimName, chConfig);
     }
   },
 
-  _interruptPlayingAnimAndPlayNewAnimDragonBones(rdfPlayer, prevRdfPlayer, newCharacterState, newAnimName, underlyingAnimationCtrl, playingAnimName) {
+  _interruptPlayingAnimAndPlayNewAnimDragonBones(rdfPlayer, prevRdfPlayer, newCharacterState, newAnimName, underlyingAnimationCtrl, playingAnimName, chConfig) {
     if (window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.has(newCharacterState)) {
       // No "framesToRecover"
       // console.warn(`#DragonBones JoinIndex=${rdfPlayer.joinIndex}, ${playingAnimName} -> ${newAnimName}`);
       underlyingAnimationCtrl.gotoAndPlayByFrame(newAnimName, 0, -1);
     } else {
       const animationData = underlyingAnimationCtrl._animations[newAnimName];
-      let fromAnimFrame = (animationData.frameCount - rdfPlayer.FramesToRecover);
+      let frameIdxInAnim = rdfPlayer.FramesInChState;
-      if (fromAnimFrame < 0) {
+      underlyingAnimationCtrl.gotoAndPlayByFrame(newAnimName, frameIdxInAnim, 1);
-        // For Atk1 or Atk2, it's possible that the "meleeBullet.recoveryFrames" is configured to be slightly larger than corresponding animation duration frames
-        fromAnimFrame = 0;
-      }
-      underlyingAnimationCtrl.gotoAndPlayByFrame(newAnimName, fromAnimFrame, 1);
     }
   },
 
-  _interruptPlayingAnimAndPlayNewAnimFrameAnim(rdfPlayer, prevRdfPlayer, newCharacterState, newAnimName, playingAnimName) {
+  _interruptPlayingAnimAndPlayNewAnimFrameAnim(rdfPlayer, prevRdfPlayer, newCharacterState, newAnimName, playingAnimName, chConfig) {
     if (window.ATK_CHARACTER_STATE_INTERRUPT_WAIVE_SET.has(newCharacterState)) {
       // No "framesToRecover"
       //console.warn(`#FrameAnim JoinIndex=${rdfPlayer.joinIndex}, ${playingAnimName} -> ${newAnimName}`);
@@ -148,11 +134,11 @@ cc.Class({
     }
     // The "playTimes" counterpart is managed by each "cc.AnimationClip.wrapMode", already preset in the editor.
     const targetClip = this.animComp.getClips()[newCharacterState]; // The clips follow the exact order in ATK_CHARACTER_STATE
-    let fromTime = (targetClip.duration - rdfPlayer.FramesToRecover / targetClip.sample); // TODO: Anyway to avoid using division here?
+    let frameIdxInAnim = rdfPlayer.FramesInChState;
-    if (fromTime < 0) {
+    if (window.ATK_CHARACTER_STATE.InAirIdle1ByJump == newCharacterState && null != chConfig) {
-      // For Atk1 or Atk2, it's possible that the "meleeBullet.recoveryFrames" is configured to be slightly larger than corresponding animation duration frames
+      frameIdxInAnim = chConfig.InAirIdleFrameIdxTurningPoint + (frameIdxInAnim - chConfig.InAirIdleFrameIdxTurningPoint) % chConfig.InAirIdleFrameIdxTurnedCycle; // TODO: Anyway to avoid using division here?
-      fromTime = 0;
+    } 
-    }
+    let fromTime = (frameIdxInAnim / targetClip.sample); // TODO: Anyway to avoid using division here?
     this.animComp.play(newAnimName, fromTime);
   },
 

frontend/assets/scripts/Map.js

@@ -107,23 +107,6 @@ cc.Class({
     return (0 == inputFrameId % 10);
   },
 
-  _convertToInputFrameId(renderFrameId, inputDelayFrames) {
-    if (renderFrameId < inputDelayFrames) return 0;
-    return ((renderFrameId - inputDelayFrames) >> this.inputScaleFrames);
-  },
-
-  _convertToFirstUsedRenderFrameId(inputFrameId, inputDelayFrames) {
-    return ((inputFrameId << this.inputScaleFrames) + inputDelayFrames);
-  },
-
-  _convertToLastUsedRenderFrameId(inputFrameId, inputDelayFrames) {
-    return ((inputFrameId << this.inputScaleFrames) + inputDelayFrames + (1 << this.inputScaleFrames) - 1);
-  },
-
-  shouldGenerateInputFrameUpsync(renderFrameId) {
-    return ((renderFrameId & ((1 << this.inputScaleFrames) - 1)) == 0);
-  },
-
   _allConfirmed(confirmedList) {
     return (confirmedList + 1) == (1 << this.playerRichInfoDict.size);
   },
@@ -296,7 +279,7 @@ cc.Class({
     self.collisionPlayerIndexPrefix = (1 << 17); // For tracking the movements of players 
     if (null != self.playerRichInfoDict) {
       self.playerRichInfoDict.forEach((playerRichInfo, playerId) => {
-        if (playerRichInfo.node.parent) {
+        if (playerRichInfo.node && playerRichInfo.node.parent) {
           playerRichInfo.node.parent.removeChild(playerRichInfo.node);
         }
       });
@@ -315,11 +298,7 @@ cc.Class({
     self.selfPlayerInfo = null; // This field is kept for distinguishing "self" and "others".
     self.recentInputCache = gopkgs.NewRingBufferJs((self.renderCacheSize >> 1) + 1);
 
-    const spaceW = self.stageDiscreteW * self.stageTileW;
+    self.gopkgsCollisionSys = gopkgs.NewCollisionSpaceJs((self.spaceOffsetX << 1), (self.spaceOffsetY << 1), self.collisionMinStep, self.collisionMinStep);
-    const spaceH = self.stageDiscreteH * self.stageTileH;
-    self.spaceOffsetX = (spaceW >> 1);
-    self.spaceOffsetY = (spaceH >> 1);
-    self.gopkgsCollisionSys = gopkgs.NewCollisionSpaceJs(spaceW, spaceH, self.collisionMinStep, self.collisionMinStep);
     self.gopkgsCollisionSysMap = {}; // [WARNING] Don't use "JavaScript Map" which could cause loss of type information when passing through Golang transpiled functions!
 
     self.collisionBarrierIndexPrefix = (1 << 16); // For tracking the movements of barriers, though not yet actually used 
@@ -350,6 +329,56 @@ cc.Class({
     }
   },
 
+  initDebugDrawers() {
+    const self = this;
+    if (self.showCriticalCoordinateLabels) {
+      const drawer1 = new cc.Node();
+      drawer1.setPosition(cc.v2(0, 0))
+      safelyAddChild(self.node, drawer1);
+      setLocalZOrder(drawer1, 999);
+      const g1 = drawer1.addComponent(cc.Graphics);
+      g1.lineWidth = 2;
+      self.g1 = g1;
+
+      const collisionSpaceObjs = gopkgs.GetCollisionSpaceObjsJs(self.gopkgsCollisionSys); // This step is slow according to Chrome profiling, and we only need draw it once for those static barriers
+      for (let k in collisionSpaceObjs) {
+        const body = collisionSpaceObjs[k];
+        let padding = 0;
+        if (null != body.Data && null != body.Data.JoinIndex) {
+          // character
+          if (1 == body.Data.JoinIndex) {
+            g1.strokeColor = cc.Color.BLUE;
+          } else {
+            g1.strokeColor = cc.Color.RED;
+          }
+          padding = self.snapIntoPlatformOverlap;
+        } else {
+          // barrier
+          g1.strokeColor = cc.Color.WHITE;
+        }
+        const points = body.Shape.Points;
+        const wpos = [body.X - self.spaceOffsetX, body.Y - self.spaceOffsetY];
+        g1.moveTo(wpos[0], wpos[1]);
+        const cnt = points.length;
+        for (let j = 0; j < cnt; j += 1) {
+          const x = wpos[0] + points[j][0],
+            y = wpos[1] + points[j][1];
+          g1.lineTo(x, y);
+        }
+        g1.lineTo(wpos[0], wpos[1]);
+        g1.stroke();
+      }
+
+      const drawer2 = new cc.Node();
+      drawer2.setPosition(cc.v2(0, 0))
+      safelyAddChild(self.node, drawer2);
+      setLocalZOrder(drawer2, 999);
+      const g2 = drawer2.addComponent(cc.Graphics);
+      g2.lineWidth = 2;
+      self.g2 = g2;
+    }
+  },
+
   onLoad() {
     const self = this;
     window.mapIns = self;
@@ -439,16 +468,6 @@ cc.Class({
         mapNode.removeAllChildren();
         self._resetCurrentMatch();
 
-        if (self.showCriticalCoordinateLabels) {
-          const drawer = new cc.Node();
-          drawer.setPosition(cc.v2(0, 0))
-          safelyAddChild(self.node, drawer);
-          setLocalZOrder(drawer, 999);
-          const g = drawer.addComponent(cc.Graphics);
-          g.lineWidth = 2;
-          self.g = g;
-        }
-
         tiledMapIns.tmxAsset = tmxAsset;
         const newMapSize = tiledMapIns.getMapSize();
         const newTileSize = tiledMapIns.getTileSize();
@@ -477,37 +496,6 @@ cc.Class({
           const newBarrierCollider = gopkgs.GenerateConvexPolygonColliderJs(gopkgsBoundary, self.spaceOffsetX, self.spaceOffsetY, gopkgsBarrier, "Barrier");
           self.gopkgsCollisionSys.Add(newBarrierCollider);
 
-          if (false && self.showCriticalCoordinateLabels) {
-            for (let i = 0; i < boundaryObj.length; ++i) {
-              const barrierVertLabelNode = new cc.Node();
-              switch (i % 4) {
-                case 0:
-                  barrierVertLabelNode.color = cc.Color.RED;
-                  break;
-                case 1:
-                  barrierVertLabelNode.color = cc.Color.GRAY;
-                  break;
-                case 2:
-                  barrierVertLabelNode.color = cc.Color.BLACK;
-                  break;
-                default:
-                  barrierVertLabelNode.color = cc.Color.MAGENTA;
-                  break;
-              }
-              const wx = boundaryObj.anchor.x + boundaryObj[i].x,
-                wy = boundaryObj.anchor.y + boundaryObj[i].y;
-              barrierVertLabelNode.setPosition(cc.v2(wx, wy));
-              const barrierVertLabel = barrierVertLabelNode.addComponent(cc.Label);
-              barrierVertLabel.fontSize = 12;
-              barrierVertLabel.lineHeight = barrierVertLabel.fontSize + 1;
-              barrierVertLabel.string = `(${wx.toFixed(1)}, ${wy.toFixed(1)})`;
-              safelyAddChild(self.node, barrierVertLabelNode);
-              setLocalZOrder(barrierVertLabelNode, 5);
-
-              barrierVertLabelNode.active = true;
-            }
-
-          }
           // console.log("Created barrier: ", newBarrierCollider);
           ++barrierIdCounter;
           const collisionBarrierIndex = (self.collisionBarrierIndexPrefix + barrierIdCounter);
@@ -517,7 +505,7 @@ cc.Class({
         Object.assign(self.selfPlayerInfo, {
           Id: self.selfPlayerInfo.playerId
         });
-
+        self.initDebugDrawers();
         const reqData = window.pb.protos.WsReq.encode({
           msgId: Date.now(),
           act: window.UPSYNC_MSG_ACT_PLAYER_COLLIDER_ACK,
@@ -590,13 +578,13 @@ cc.Class({
     const jsPlayersArr = new Array().fill(null);
     for (let k in pbRdf.playersArr) {
       const pbPlayer = pbRdf.playersArr[k];
-      const jsPlayer = gopkgs.NewPlayerDownsyncJs(pbPlayer.id, pbPlayer.virtualGridX, pbPlayer.virtualGridY, pbPlayer.dirX, pbPlayer.dirY, pbPlayer.velX, pbPlayer.velY, pbPlayer.framesToRecover, pbPlayer.speed, pbPlayer.battleState, pbPlayer.characterState, pbPlayer.joinIndex, pbPlayer.hp, pbPlayer.maxHp, pbPlayer.inAir, pbPlayer.colliderRadius);
+      const jsPlayer = gopkgs.NewPlayerDownsyncJs(pbPlayer.id, pbPlayer.virtualGridX, pbPlayer.virtualGridY, pbPlayer.dirX, pbPlayer.dirY, pbPlayer.velX, pbPlayer.velY, pbPlayer.framesToRecover, pbPlayer.framesInChState, pbPlayer.activeSkillId, pbPlayer.activeSkillHit, pbPlayer.framesInvinsible, pbPlayer.speed, pbPlayer.battleState, pbPlayer.characterState, pbPlayer.joinIndex, pbPlayer.hp, pbPlayer.maxHp, pbPlayer.colliderRadius, pbPlayer.inAir);
       jsPlayersArr[k] = jsPlayer;
     }
     const jsMeleeBulletsArr = [];
     for (let k in pbRdf.meleeBullets) {
       const pbBullet = pbRdf.meleeBullets[k];
-      const jsBullet = gopkgs.NewMeleeBulletJs(pbBullet.battleLocalId, pbBullet.startupFrames, pbBullet.activeFrames, pbBullet.recoveryFrames, pbBullet.recoveryFramesOnBlock, pbBullet.recoveryFramesOnHit, pbBullet.hitStunFrames, pbBullet.blockStunFrames, pbBullet.releaseTriggerType, pbBullet.damage, pbBullet.offenderJoinIndex, pbBullet.offenderPlayerId, pbBullet.pushback, pbBullet.hitboxOffset, pbBullet.selfMoveforwardX, pbBullet.selfMoveforwardY, pbBullet.hitboxSizeX, pbBullet.hitboxSizeY);
+      const jsBullet = gopkgs.NewMeleeBulletJs(pbBullet.originatedRenderFrameId, pbBullet.offenderJoinIndex, pbBullet.startupFrames, pbBullet.cancellableStFrame, pbBullet.cancellableEdFrame, pbBullet.activeFrames, pbBullet.hitStunFrames, pbBullet.blockStunFrames, pbBullet.pushbackVelX, pbBullet.pushbackVelY, pbBullet.damage, pbBullet.selfLockVelX, pbBullet.selfLockVelY, pbBullet.hitboxOffsetX, pbBullet.hitboxOffsetY, pbBullet.hitboxSizeX, pbBullet.hitboxSizeY, pbBullet.blowUp);
       jsMeleeBulletsArr.push(jsBullet);
     }
 
@@ -638,7 +626,10 @@ cc.Class({
     }
 
     // The logic below applies to (window.MAGIC_ROOM_DOWNSYNC_FRAME_ID.BATTLE_START == rdf.id || window.RING_BUFF_NON_CONSECUTIVE_SET == dumpRenderCacheRet)
-    self.playerOpPatternToSkillId = pbRdf.playerOpPatternToSkillId;
+    if (null == pbRdf.speciesIdList) {
+      console.error(`pbRdf.speciesIdList is required for starting or resyncing battle!`);
+    }
+    self.chConfigsOrderedByJoinIndex = gopkgs.GetCharacterConfigsOrderedByJoinIndex(pbRdf.speciesIdList);
     self._initPlayerRichInfoDict(rdf.PlayersArr);
 
     // Show the top status indicators for IN_BATTLE 
@@ -694,18 +685,19 @@ cc.Class({
 
   equalPlayers(lhs, rhs) {
     if (null == lhs || null == rhs) return false;
-    if (lhs.virtualGridX != rhs.virtualGridX) return false;
+    if (lhs.VirtualGridX != rhs.VirtualGridX) return false;
-    if (lhs.virtualGridY != rhs.virtualGridY) return false;
+    if (lhs.VirtualGridY != rhs.VirtualGridY) return false;
-    if (lhs.dirX != rhs.dirX) return false;
+    if (lhs.DirX != rhs.DirX) return false;
-    if (lhs.dirY != rhs.dirY) return false;
+    if (lhs.DirY != rhs.DirY) return false;
-    if (lhs.velX != rhs.velX) return false;
+    if (lhs.VelX != rhs.VelX) return false;
-    if (lhs.velY != rhs.velY) return false;
+    if (lhs.VelY != rhs.VelY) return false;
-    if (lhs.speed != rhs.speed) return false;
+    if (lhs.Speed != rhs.Speed) return false;
-    if (lhs.framesToRecover != rhs.framesToRecover) return false;
+    if (lhs.Hp != rhs.Hp) return false;
-    if (lhs.hp != rhs.hp) return false;
+    if (lhs.MaxHp != rhs.MaxHp) return false;
-    if (lhs.maxHp != rhs.maxHp) return false;
+    if (lhs.CharacterState != rhs.CharacterState) return false;
-    if (lhs.characterState != rhs.characterState) return false;
+    if (lhs.InAir != rhs.InAir) return false;
-    if (lhs.inAir != rhs.inAir) return false;
+    if (lhs.FramesToRecover != rhs.FramesToRecover) return false;
+    if (lhs.FramesInChState != rhs.FramesInChState) return false;
     return true;
   },
 
@@ -770,7 +762,7 @@ cc.Class({
     }
 
     if (null == firstPredictedYetIncorrectInputFrameId) return;
-    const renderFrameId1 = self._convertToFirstUsedRenderFrameId(firstPredictedYetIncorrectInputFrameId, self.inputDelayFrames) - 1;
+    const renderFrameId1 = gopkgs.ConvertToFirstUsedRenderFrameId(firstPredictedYetIncorrectInputFrameId) - 1;
     if (renderFrameId1 >= self.chaserRenderFrameId) return;
 
     /*
@@ -829,37 +821,20 @@ batchInputFrameIdRange=[${batch[0].inputFrameId}, ${batch[batch.length - 1].inpu
     const self = this;
     const newPlayerNode = cc.instantiate(self.controlledCharacterPrefab)
     const playerScriptIns = newPlayerNode.getComponent("ControlledCharacter");
+    const chConfig = self.chConfigsOrderedByJoinIndex[joinIndex - 1];
+    playerScriptIns.setSpecies(chConfig.SpeciesName);
+
     if (1 == joinIndex) {
-      playerScriptIns.setSpecies("SoldierWaterGhost");
+      newPlayerNode.color = cc.Color.RED;
-    } else if (2 == joinIndex) {
+    } else {
-      playerScriptIns.setSpecies("UltramanTiga");
+      newPlayerNode.color = cc.Color.BLUE;
     }
 
-    const [wx, wy] = self.virtualGridToWorldPos(vx, vy);
+    const [wx, wy] = gopkgs.VirtualGridToWorldPos(vx, vy);
     newPlayerNode.setPosition(wx, wy);
     playerScriptIns.mapNode = self.node;
-    const colliderRadius = playerDownsyncInfo.ColliderRadius;
-    const halfColliderWidth = colliderRadius,
-      halfColliderHeight = colliderRadius + colliderRadius; // avoid multiplying
-    const colliderWidth = halfColliderWidth + halfColliderWidth,
-      colliderHeight = halfColliderHeight + halfColliderHeight; // avoid multiplying
 
-    const [cx, cy] = gopkgs.WorldToPolygonColliderBLPos(wx, wy, halfColliderWidth, halfColliderHeight, self.snapIntoPlatformOverlap, self.snapIntoPlatformOverlap, self.snapIntoPlatformOverlap, self.snapIntoPlatformOverlap, self.spaceOffsetX, self.spaceOffsetY);
+    console.log(`Created new player node: joinIndex=${joinIndex}`);
-    const gopkgsBoundaryAnchor = gopkgs.NewVec2DJs(cx, cy);
-    const gopkgsBoundaryPts = [
-      gopkgs.NewVec2DJs(0, 0),
-      gopkgs.NewVec2DJs(self.snapIntoPlatformOverlap + colliderWidth + self.snapIntoPlatformOverlap, 0),
-      gopkgs.NewVec2DJs(self.snapIntoPlatformOverlap + colliderWidth + self.snapIntoPlatformOverlap, self.snapIntoPlatformOverlap + colliderHeight + self.snapIntoPlatformOverlap),
-      gopkgs.NewVec2DJs(0, self.snapIntoPlatformOverlap + colliderHeight + self.snapIntoPlatformOverlap)
-    ];
-    const gopkgsBoundary = gopkgs.NewPolygon2DJs(gopkgsBoundaryAnchor, gopkgsBoundaryPts);
-    const newPlayerCollider = gopkgs.GenerateConvexPolygonColliderJs(gopkgsBoundary, self.spaceOffsetX, self.spaceOffsetY, playerDownsyncInfo, "Player");
-    //const newPlayerCollider = gopkgs.GenerateRectColliderJs(wx, wy, colliderWidth, colliderHeight, self.snapIntoPlatformOverlap, self.snapIntoPlatformOverlap, self.snapIntoPlatformOverlap, self.snapIntoPlatformOverlap, self.spaceOffsetX, self.spaceOffsetY, playerDownsyncInfo, "Player");
-    self.gopkgsCollisionSys.Add(newPlayerCollider);
-    const collisionPlayerIndex = self.collisionPlayerIndexPrefix + joinIndex;
-    self.gopkgsCollisionSysMap[collisionPlayerIndex] = newPlayerCollider;
-
-    console.log(`Created new player collider: joinIndex=${joinIndex}, colliderRadius=${playerDownsyncInfo.ColliderRadius}`);
 
     safelyAddChild(self.node, newPlayerNode);
     setLocalZOrder(newPlayerNode, 5);
@@ -883,8 +858,8 @@ batchInputFrameIdRange=[${batch[0].inputFrameId}, ${batch[batch.length - 1].inpu
         let st = performance.now();
         let prevSelfInput = null,
           currSelfInput = null;
-        const noDelayInputFrameId = self._convertToInputFrameId(self.renderFrameId, 0); // It's important that "inputDelayFrames == 0" here 
+        const noDelayInputFrameId = gopkgs.ConvertToNoDelayInputFrameId(self.renderFrameId);
-        if (self.shouldGenerateInputFrameUpsync(self.renderFrameId)) {
+        if (gopkgs.ShouldGenerateInputFrameUpsync(self.renderFrameId)) {
           [prevSelfInput, currSelfInput] = self.getOrPrefabInputFrameUpsync(noDelayInputFrameId);
         }
 
@@ -919,7 +894,7 @@ batchInputFrameIdRange=[${batch[0].inputFrameId}, ${batch[batch.length - 1].inpu
         */
         // [WARNING] Don't try to get "prevRdf(i.e. renderFrameId == latest-1)" by "self.recentRenderCache.getByFrameId(...)" here, as the cache might have been updated by asynchronous "onRoomDownsyncFrame(...)" calls!
         if (self.othersForcedDownsyncRenderFrameDict.has(rdf.id)) {
-          const delayedInputFrameId = self._convertToInputFrameId(rdf.id, 0);
+          const delayedInputFrameId = gopkgs.ConvertToDelayedInputFrameId(rdf.id);
           const othersForcedDownsyncRenderFrame = self.othersForcedDownsyncRenderFrameDict.get(rdf.id);
           if (self.lastAllConfirmedInputFrameId >= delayedInputFrameId && !self.equalRoomDownsyncFrames(othersForcedDownsyncRenderFrame, rdf)) {
             console.warn(`Mismatched render frame@rdf.id=${rdf.id} w/ inputFrameId=${delayedInputFrameId}:
@@ -1063,12 +1038,13 @@ othersForcedDownsyncRenderFrame=${JSON.stringify(othersForcedDownsyncRenderFrame
     const playersArr = rdf.PlayersArr;
     for (let k in playersArr) {
       const currPlayerDownsync = playersArr[k];
+      const chConfig = self.chConfigsOrderedByJoinIndex[k];
       const prevRdfPlayer = (null == prevRdf ? null : prevRdf.PlayersArr[k]);
-      const [wx, wy] = self.virtualGridToWorldPos(currPlayerDownsync.VirtualGridX, currPlayerDownsync.VirtualGridY);
+      const [wx, wy] = gopkgs.VirtualGridToWorldPos(currPlayerDownsync.VirtualGridX, currPlayerDownsync.VirtualGridY);
       const playerRichInfo = self.playerRichInfoArr[k];
       playerRichInfo.node.setPosition(wx, wy);
       playerRichInfo.scriptIns.updateSpeed(currPlayerDownsync.Speed);
-      playerRichInfo.scriptIns.updateCharacterAnim(currPlayerDownsync, prevRdfPlayer, false);
+      playerRichInfo.scriptIns.updateCharacterAnim(currPlayerDownsync, prevRdfPlayer, false, chConfig);
     }
 
     // Update countdown
@@ -1087,14 +1063,14 @@ othersForcedDownsyncRenderFrame=${JSON.stringify(othersForcedDownsyncRenderFrame
       if (null == currRdf) {
         throw `Couldn't find renderFrame for i=${i} to rollback (are you using Firefox?), self.renderFrameId=${self.renderFrameId}, lastAllConfirmedInputFrameId=${self.lastAllConfirmedInputFrameId}, might've been interruptted by onRoomDownsyncFrame`;
       }
-      const j = self._convertToInputFrameId(i, self.inputDelayFrames);
+      const j = gopkgs.ConvertToDelayedInputFrameId(i);
       const delayedInputFrame = self.recentInputCache.GetByFrameId(j); // Don't make prediction here, the inputFrameDownsyncs in recentInputCache was already predicted while prefabbing
       if (null == delayedInputFrame) {
         // Shouldn't happen!
         throw `Failed to get cached delayedInputFrame for i=${i}, j=${j}, renderFrameId=${self.renderFrameId}, lastUpsyncInputFrameId=${self.lastUpsyncInputFrameId}, lastAllConfirmedInputFrameId=${self.lastAllConfirmedInputFrameId}, chaserRenderFrameId=${self.chaserRenderFrameId}; recentRenderCache=${self._stringifyRecentRenderCache(false)}, recentInputCache=${self._stringifyRecentInputCache(false)}`;
       }
 
-      const jPrev = self._convertToInputFrameId(i - 1, self.inputDelayFrames);
+      const jPrev = gopkgs.ConvertToDelayedInputFrameId(i - 1);
       if (self.frameDataLoggingEnabled) {
         const actuallyUsedInputClone = delayedInputFrame.InputList.slice();
         const inputFrameDownsyncClone = {
@@ -1104,7 +1080,15 @@ othersForcedDownsyncRenderFrame=${JSON.stringify(othersForcedDownsyncRenderFrame
         };
         self.rdfIdToActuallyUsedInput.set(currRdf.Id, inputFrameDownsyncClone);
       }
-      const nextRdf = gopkgs.ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs(self.recentInputCache, currRdf, collisionSys, collisionSysMap, self.gravityX, self.gravityY, self.jumpingInitVelY, self.inputDelayFrames, self.inputScaleFrames, self.spaceOffsetX, self.spaceOffsetY, self.snapIntoPlatformOverlap, self.snapIntoPlatformThreshold, self.worldToVirtualGridRatio, self.virtualGridToWorldRatio, self.playerOpPatternToSkillId);
+      const nextRdf = gopkgs.ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs(self.recentInputCache, currRdf, collisionSys, collisionSysMap, self.spaceOffsetX, self.spaceOffsetY, self.chConfigsOrderedByJoinIndex);
+
+      if (3 == nextRdf.PlayersArr[0].ActiveSkillId && 3 != currRdf.PlayersArr[0].ActiveSkillId) {
+        console.log(`Started skill 3 at rdf.Id=${nextRdf.Id}`);
+        self.lastSkill3Started = nextRdf.Id;
+      }
+      if (3 != nextRdf.PlayersArr[0].ActiveSkillId && 3 == currRdf.PlayersArr[0].ActiveSkillId) {
+        console.log(`Stopped skill 3 at rdf.Id=${nextRdf.Id}, duration = ${nextRdf.Id-self.lastSkill3Started}`);
+      }
 
       if (true == isChasing) {
         // [WARNING] Move the cursor "self.chaserRenderFrameId" when "true == isChasing", keep in mind that "self.chaserRenderFrameId" is not monotonic!
@@ -1233,49 +1217,81 @@ actuallyUsedinputList:{${self.inputFrameDownsyncStr(actuallyUsedInputClone)}}`);
     return `{${(playerCollider.x + leftPadding + halfBoundingW).toFixed(2)}, ${(playerCollider.y + bottomPadding + halfBoundingH).toFixed(2)}}`;
   },
 
-  virtualGridToWorldPos(vx, vy) {
-    // No loss of precision
-    const self = this;
-    return [vx * self.virtualGridToWorldRatio, vy * self.virtualGridToWorldRatio];
-  },
-
   showDebugBoundaries(rdf) {
     const self = this;
-    const leftPadding = self.snapIntoPlatformOverlap,
+    // Hardcoded paddings for now
-      rightPadding = self.snapIntoPlatformOverlap,
+    const leftPadding = 0.1,
-      topPadding = self.snapIntoPlatformOverlap,
+      rightPadding = 0.1,
-      bottomPadding = self.snapIntoPlatformOverlap;
+      topPadding = 0.1,
-    if (self.showCriticalCoordinateLabels) {
+      bottomPadding = 0.1;
-      let g = self.g;
+    if (self.showCriticalCoordinateLabels && self.g2) {
-      g.clear();
+      let g2 = self.g2;
+      g2.clear();
 
-      const collisionSpaceObjs = gopkgs.GetCollisionSpaceObjsJs(self.gopkgsCollisionSys);
+      for (let k in rdf.PlayersArr) {
-      for (let k in collisionSpaceObjs) {
+        const player = rdf.PlayersArr[k];
-        const body = collisionSpaceObjs[k];
+        if (1 == player.JoinIndex) {
-        let padding = 0;
+          g2.strokeColor = cc.Color.BLUE;
-        if (null != body.Data && null != body.Data.JoinIndex) {
-          // character
-          if (1 == body.Data.JoinIndex) {
-            g.strokeColor = cc.Color.BLUE;
-          } else {
-            g.strokeColor = cc.Color.RED;
-          }
-          padding = self.snapIntoPlatformOverlap;
         } else {
-          // barrier
+          g2.strokeColor = cc.Color.RED;
-          g.strokeColor = cc.Color.WHITE;
         }
-        const points = body.Shape.Points;
+
-        const wpos = [body.X - self.spaceOffsetX, body.Y - self.spaceOffsetY];
+        let [colliderWidth, colliderHeight] = [player.ColliderRadius * 2, player.ColliderRadius * 4];
-        g.moveTo(wpos[0], wpos[1]);
+        switch (player.CharacterState) {
-        const cnt = points.length;
+          case ATK_CHARACTER_STATE.LayDown1[0]:
-        for (let j = 0; j < cnt; j += 1) {
+            [colliderWidth, colliderHeight] = [player.ColliderRadius * 4, player.ColliderRadius * 2];
-          const x = wpos[0] + points[j][0],
+            break;
-            y = wpos[1] + points[j][1];
+          case ATK_CHARACTER_STATE.BlownUp1[0]:
-          g.lineTo(x, y);
+          case ATK_CHARACTER_STATE.InAirIdle1NoJump[0]:
+          case ATK_CHARACTER_STATE.InAirIdle1ByJump[0]:
+            [colliderWidth, colliderHeight] = [player.ColliderRadius * 2, player.ColliderRadius * 2];
+            break;
+        }
+
+        const [halfColliderWidth, halfColliderHeight] = gopkgs.VirtualGridToWorldPos((colliderWidth >> 1), (colliderHeight >> 1));
+
+        const [wx, wy] = gopkgs.VirtualGridToWorldPos(player.VirtualGridX, player.VirtualGridY);
+        const [cx, cy] = gopkgs.WorldToPolygonColliderBLPos(wx, wy, halfColliderWidth, halfColliderHeight, topPadding, bottomPadding, leftPadding, rightPadding, 0, 0);
+        const pts = [[0, 0], [leftPadding + halfColliderWidth * 2 + rightPadding, 0], [leftPadding + halfColliderWidth * 2 + rightPadding, bottomPadding + halfColliderHeight * 2 + topPadding], [0, bottomPadding + halfColliderHeight * 2 + topPadding]];
+
+        g2.moveTo(cx, cy);
+        for (let j = 0; j < pts.length; j += 1) {
+          g2.lineTo(pts[j][0] + cx, pts[j][1] + cy);
+        }
+        g2.lineTo(cx, cy);
+        g2.stroke();
+      }
+
+      for (let k in rdf.MeleeBullets) {
+        const meleeBullet = rdf.MeleeBullets[k];
+        if (
+          meleeBullet.Bullet.OriginatedRenderFrameId + meleeBullet.Bullet.StartupFrames <= rdf.Id
+          &&
+          meleeBullet.Bullet.OriginatedRenderFrameId + meleeBullet.Bullet.StartupFrames + meleeBullet.Bullet.ActiveFrames > rdf.Id
+        ) {
+          const offender = rdf.PlayersArr[meleeBullet.Bullet.OffenderJoinIndex - 1];
+          if (1 == offender.JoinIndex) {
+            g2.strokeColor = cc.Color.BLUE;
+          } else {
+            g2.strokeColor = cc.Color.RED;
+          }
+
+          let xfac = 1; // By now, straight Punch offset doesn't respect "y-axis"
+          if (0 > offender.DirX) {
+            xfac = -1;
+          }
+          const [bulletWx, bulletWy] = gopkgs.VirtualGridToWorldPos(offender.VirtualGridX + xfac * meleeBullet.Bullet.HitboxOffsetX, offender.VirtualGridY);
+          const [halfColliderWidth, halfColliderHeight] = gopkgs.VirtualGridToWorldPos((meleeBullet.Bullet.HitboxSizeX >> 1), (meleeBullet.Bullet.HitboxSizeY >> 1));
+          const [bulletCx, bulletCy] = gopkgs.WorldToPolygonColliderBLPos(bulletWx, bulletWy, halfColliderWidth, halfColliderHeight, topPadding, bottomPadding, leftPadding, rightPadding, 0, 0);
+          const pts = [[0, 0], [leftPadding + halfColliderWidth * 2 + rightPadding, 0], [leftPadding + halfColliderWidth * 2 + rightPadding, bottomPadding + halfColliderHeight * 2 + topPadding], [0, bottomPadding + halfColliderHeight * 2 + topPadding]];
+
+          g2.moveTo(bulletCx, bulletCy);
+          for (let j = 0; j < pts.length; j += 1) {
+            g2.lineTo(pts[j][0] + bulletCx, pts[j][1] + bulletCy);
+          }
+          g2.lineTo(bulletCx, bulletCy);
+          g2.stroke();
         }
-        g.lineTo(wpos[0], wpos[1]);
-        g.stroke();
       }
     }
   },

frontend/assets/scripts/OfflineMap.js

@@ -28,8 +28,6 @@ cc.Class({
 
     /** Init required prefab ended. */
 
-    self.inputDelayFrames = 8;
-    self.inputScaleFrames = 2;
     self.inputFrameUpsyncDelayTolerance = 2;
     self.collisionMinStep = 8;
 
@@ -40,24 +38,6 @@ cc.Class({
     self.rollbackEstimatedDtNanos = 16666666;
     self.tooFastDtIntervalMillis = 0.5 * self.rollbackEstimatedDtMillis;
 
-    self.worldToVirtualGridRatio = 1000;
-    self.virtualGridToWorldRatio = 1.0 / self.worldToVirtualGridRatio;
-    const opJoinIndexPrefix1 = (1 << 8);
-    const opJoinIndexPrefix2 = (2 << 8);
-    self.playerOpPatternToSkillId = {};
-    self.playerOpPatternToSkillId[opJoinIndexPrefix1 + 0] = 1;
-    self.playerOpPatternToSkillId[opJoinIndexPrefix2 + 0] = 1;
-
-    /* 
-    [WARNING] As when a character is standing on a barrier, if not carefully curated there MIGHT BE a bouncing sequence of "[(inAir -> dropIntoBarrier ->), (notInAir -> pushedOutOfBarrier ->)], [(inAir -> ..."
-
-    Moreover, "snapIntoPlatformOverlap" should be small enough such that the walking "velX" or jumping initial "velY" can escape from it by 1 renderFrame (when jumping is triggered, the character is waived from snappig for 1 renderFrame).
-    */
-    self.snapIntoPlatformOverlap = 0.1;
-    self.snapIntoPlatformThreshold = 0.5; // a platform must be "horizontal enough" for a character to "stand on"
-    self.jumpingInitVelY = 7 * self.worldToVirtualGridRatio; // unit: (virtual grid length/renderFrame)
-    [self.gravityX, self.gravityY] = [0, -0.5 * self.worldToVirtualGridRatio]; // unit: (virtual grid length/renderFrame^2)
-
     const tiledMapIns = self.node.getComponent(cc.TiledMap);
 
     const fullPathOfTmxFile = cc.js.formatStr("map/%s/map", "dungeon");
@@ -86,10 +66,8 @@ cc.Class({
       self.node.setContentSize(newMapSize.width * newTileSize.width, newMapSize.height * newTileSize.height);
       self.node.setPosition(cc.v2(0, 0));
 
-      self.stageDiscreteW = newMapSize.width;
+      self.spaceOffsetX = ((newMapSize.width * newTileSize.width) >> 1);
-      self.stageDiscreteH = newMapSize.height;
+      self.spaceOffsetY = ((newMapSize.height * newTileSize.height) >> 1);
-      self.stageTileW = newTileSize.width;
-      self.stageTileH = newTileSize.height;
 
       self._resetCurrentMatch();
       let barrierIdCounter = 0;
@@ -105,42 +83,17 @@ cc.Class({
         const newBarrierCollider = gopkgs.GenerateConvexPolygonColliderJs(gopkgsBoundary, self.spaceOffsetX, self.spaceOffsetY, gopkgsBarrier, "Barrier");
         self.gopkgsCollisionSys.Add(newBarrierCollider);
 
-        if (false && self.showCriticalCoordinateLabels) {
-          for (let i = 0; i < boundaryObj.length; ++i) {
-            const barrierVertLabelNode = new cc.Node();
-            switch (i % 4) {
-              case 0:
-                barrierVertLabelNode.color = cc.Color.RED;
-                break;
-              case 1:
-                barrierVertLabelNode.color = cc.Color.GRAY;
-                break;
-              case 2:
-                barrierVertLabelNode.color = cc.Color.BLACK;
-                break;
-              default:
-                barrierVertLabelNode.color = cc.Color.MAGENTA;
-                break;
-            }
-            const wx = boundaryObj.anchor.x + boundaryObj[i].x,
-              wy = boundaryObj.anchor.y + boundaryObj[i].y;
-            barrierVertLabelNode.setPosition(cc.v2(wx, wy));
-            const barrierVertLabel = barrierVertLabelNode.addComponent(cc.Label);
-            barrierVertLabel.fontSize = 12;
-            barrierVertLabel.lineHeight = barrierVertLabel.fontSize + 1;
-            barrierVertLabel.string = `(${wx.toFixed(1)}, ${wy.toFixed(1)})`;
-            safelyAddChild(self.node, barrierVertLabelNode);
-            setLocalZOrder(barrierVertLabelNode, 5);
-
-            barrierVertLabelNode.active = true;
-          }
-
-        }
         // console.log("Created barrier: ", newBarrierCollider);
         ++barrierIdCounter;
         const collisionBarrierIndex = (self.collisionBarrierIndexPrefix + barrierIdCounter);
         self.gopkgsCollisionSysMap[collisionBarrierIndex] = newBarrierCollider;
       }
+      self.initDebugDrawers();
+
+      const p1Vpos = gopkgs.WorldToVirtualGridPos(boundaryObjs.playerStartingPositions[0].x, boundaryObjs.playerStartingPositions[0].y);
+      const p2Vpos = gopkgs.WorldToVirtualGridPos(boundaryObjs.playerStartingPositions[1].x, boundaryObjs.playerStartingPositions[1].y);
+      const speedV = gopkgs.WorldToVirtualGridPos(1.0, 0);
+      const colliderRadiusV = gopkgs.WorldToVirtualGridPos(12.0, 0);
 
       const startRdf = window.pb.protos.RoomDownsyncFrame.create({
         id: window.MAGIC_ROOM_DOWNSYNC_FRAME_ID.BATTLE_START,
@@ -148,13 +101,13 @@ cc.Class({
           window.pb.protos.PlayerDownsync.create({
             id: 10,
             joinIndex: 1,
-            virtualGridX: boundaryObjs.playerStartingPositions[0].x * self.worldToVirtualGridRatio,
+            virtualGridX: p1Vpos[0],
-            virtualGridY: boundaryObjs.playerStartingPositions[0].y * self.worldToVirtualGridRatio,
+            virtualGridY: p1Vpos[1],
-            speed: 1 * self.worldToVirtualGridRatio,
+            speed: speedV[0],
-            colliderRadius: 12,
+            colliderRadius: colliderRadiusV[0],
-            characterState: window.ATK_CHARACTER_STATE.InAirIdle1[0],
+            characterState: window.ATK_CHARACTER_STATE.InAirIdle1NoJump[0],
             framesToRecover: 0,
-            dirX: 0,
+            dirX: +2,
             dirY: 0,
             velX: 0,
             velY: 0,
@@ -163,19 +116,20 @@ cc.Class({
           window.pb.protos.PlayerDownsync.create({
             id: 11,
             joinIndex: 2,
-            virtualGridX: boundaryObjs.playerStartingPositions[1].x * self.worldToVirtualGridRatio,
+            virtualGridX: p2Vpos[0],
-            virtualGridY: boundaryObjs.playerStartingPositions[1].y * self.worldToVirtualGridRatio,
+            virtualGridY: p2Vpos[1],
-            speed: 1 * self.worldToVirtualGridRatio,
+            speed: speedV[0],
-            colliderRadius: 12,
+            colliderRadius: colliderRadiusV[0],
-            characterState: window.ATK_CHARACTER_STATE.InAirIdle1[0],
+            characterState: window.ATK_CHARACTER_STATE.InAirIdle1NoJump[0],
             framesToRecover: 0,
-            dirX: 0,
+            dirX: -2,
             dirY: 0,
             velX: 0,
             velY: 0,
             inAir: true,
           }),
-        ]
+        ],
+        speciesIdList: [1, 0],
       });
 
       self.selfPlayerInfo = {
@@ -202,8 +156,8 @@ cc.Class({
         let st = performance.now();
         let prevSelfInput = null,
           currSelfInput = null;
-        const noDelayInputFrameId = self._convertToInputFrameId(self.renderFrameId, 0); // It's important that "inputDelayFrames == 0" here 
+        const noDelayInputFrameId = gopkgs.ConvertToNoDelayInputFrameId(self.renderFrameId); // It's important that "inputDelayFrames == 0" here 
-        if (self.shouldGenerateInputFrameUpsync(self.renderFrameId)) {
+        if (gopkgs.ShouldGenerateInputFrameUpsync(self.renderFrameId)) {
           const prevAndCurrInputs = self.getOrPrefabInputFrameUpsync(noDelayInputFrameId);
           prevSelfInput = prevAndCurrInputs[0];
           currSelfInput = prevAndCurrInputs[1];

frontend/assets/scripts/modules/Collisions.js.meta

@@ -1,9 +0,0 @@
-{
-  "ver": "1.0.5",
-  "uuid": "da0a517f-5c74-4fc0-ba89-dbcee184b13e",
-  "isPlugin": false,
-  "loadPluginInWeb": true,
-  "loadPluginInNative": true,
-  "loadPluginInEditor": false,
-  "subMetas": {}
-}

jsexport/battle/battle.go

@@ -7,12 +7,33 @@ import (
 
 const (
 	MAX_FLOAT64                    = 1.7e+308
+	MAX_INT32                      = int32(999999999)
 	COLLISION_PLAYER_INDEX_PREFIX  = (1 << 17)
 	COLLISION_BARRIER_INDEX_PREFIX = (1 << 16)
 	COLLISION_BULLET_INDEX_PREFIX  = (1 << 15)
 
 	PATTERN_ID_UNABLE_TO_OP = -2
 	PATTERN_ID_NO_OP        = -1
+
+	WORLD_TO_VIRTUAL_GRID_RATIO = float64(100)
+	VIRTUAL_GRID_TO_WORLD_RATIO = float64(1.0) / WORLD_TO_VIRTUAL_GRID_RATIO
+
+	GRAVITY_X = int32(0)
+	GRAVITY_Y = -int32(float64(0.5) * WORLD_TO_VIRTUAL_GRID_RATIO) // makes all "playerCollider.Y" a multiple of 0.5 in all cases
+
+	INPUT_DELAY_FRAMES = int32(8)  // in the count of render frames
+	INPUT_SCALE_FRAMES = uint32(2) // inputDelayedAndScaledFrameId = ((originalFrameId - InputDelayFrames) >> InputScaleFrames)
+	NST_DELAY_FRAMES   = int32(16) // network-single-trip delay in the count of render frames, proposed to be (InputDelayFrames >> 1) because we expect a round-trip delay to be exactly "InputDelayFrames"
+
+	SP_ATK_LOOKUP_FRAMES = int32(5)
+
+	SNAP_INTO_PLATFORM_OVERLAP   = float64(0.1)
+	SNAP_INTO_PLATFORM_THRESHOLD = float64(0.5)
+
+	NO_SKILL     = -1
+	NO_SKILL_HIT = -1
+
+	NO_LOCK_VEL = int32(-1)
 )
 
 // These directions are chosen such that when speed is changed to "(speedX+delta, speedY+delta)" for any of them, the direction is unchanged.
@@ -28,47 +49,87 @@ var DIRECTION_DECODER = [][]int32{
 	{-1, +1},
 }
 
-var skillIdToBullet = map[int]interface{}{
-	1: &MeleeBullet{
-		Bullet: Bullet{
-			// for offender
-			StartupFrames:         int32(5),
-			ActiveFrames:          int32(10),
-			RecoveryFrames:        int32(34),
-			RecoveryFramesOnBlock: int32(34),
-			RecoveryFramesOnHit:   int32(34),
-			HitboxOffset:          float64(12.0), // should be about the radius of the PlayerCollider
-
-			// for defender
-			HitStunFrames:      int32(18),
-			BlockStunFrames:    int32(9),
-			Pushback:           float64(8.0),
-			ReleaseTriggerType: int32(1), // 1: rising-edge, 2: falling-edge
-			Damage:             int32(5),
-
-			SelfMoveforwardX: 0,
-			SelfMoveforwardY: 0,
-			HitboxSizeX:      24.0,
-			HitboxSizeY:      32.0,
-		},
-	},
-}
-
 const (
-	ATK_CHARACTER_STATE_IDLE1        = int32(0)
+	ATK_CHARACTER_STATE_IDLE1               = int32(0)
-	ATK_CHARACTER_STATE_WALKING      = int32(1)
+	ATK_CHARACTER_STATE_WALKING             = int32(1)
-	ATK_CHARACTER_STATE_ATK1         = int32(2)
+	ATK_CHARACTER_STATE_ATK1                = int32(2)
-	ATK_CHARACTER_STATE_ATKED1       = int32(3)
+	ATK_CHARACTER_STATE_ATKED1              = int32(3)
-	ATK_CHARACTER_STATE_INAIR_IDLE1  = int32(4)
+	ATK_CHARACTER_STATE_INAIR_IDLE1_NO_JUMP = int32(4)
-	ATK_CHARACTER_STATE_INAIR_ATK1   = int32(5)
+	ATK_CHARACTER_STATE_INAIR_IDLE1_BY_JUMP = int32(5)
-	ATK_CHARACTER_STATE_INAIR_ATKED1 = int32(6)
+	ATK_CHARACTER_STATE_INAIR_ATK1          = int32(6)
+	ATK_CHARACTER_STATE_INAIR_ATKED1        = int32(7)
+	ATK_CHARACTER_STATE_BLOWN_UP1           = int32(8)
+	ATK_CHARACTER_STATE_LAY_DOWN1           = int32(9)
+	ATK_CHARACTER_STATE_GET_UP1             = int32(10)
+
+	ATK_CHARACTER_STATE_ATK2 = int32(11)
+	ATK_CHARACTER_STATE_ATK3 = int32(12)
 )
 
-func ConvertToInputFrameId(renderFrameId int32, inputDelayFrames int32, inputScaleFrames uint32) int32 {
+var inAirSet = map[int32]bool{
-	if renderFrameId < inputDelayFrames {
+	ATK_CHARACTER_STATE_INAIR_IDLE1_NO_JUMP: true,
+	ATK_CHARACTER_STATE_INAIR_IDLE1_BY_JUMP: true,
+	ATK_CHARACTER_STATE_INAIR_ATK1:          true,
+	ATK_CHARACTER_STATE_INAIR_ATKED1:        true,
+	ATK_CHARACTER_STATE_BLOWN_UP1:           true,
+}
+
+var noOpSet = map[int32]bool{
+	ATK_CHARACTER_STATE_ATKED1:       true,
+	ATK_CHARACTER_STATE_INAIR_ATKED1: true,
+	ATK_CHARACTER_STATE_BLOWN_UP1:    true,
+	ATK_CHARACTER_STATE_LAY_DOWN1:    true,
+	// During the invinsible frames of GET_UP1, the player is allowed to take any action
+}
+
+var invinsibleSet = map[int32]bool{
+	ATK_CHARACTER_STATE_BLOWN_UP1: true,
+	ATK_CHARACTER_STATE_LAY_DOWN1: true,
+	ATK_CHARACTER_STATE_GET_UP1:   true,
+}
+
+var nonAttackingSet = map[int32]bool{
+	ATK_CHARACTER_STATE_IDLE1:               true,
+	ATK_CHARACTER_STATE_WALKING:             true,
+	ATK_CHARACTER_STATE_INAIR_IDLE1_NO_JUMP: true,
+	ATK_CHARACTER_STATE_INAIR_IDLE1_BY_JUMP: true,
+	ATK_CHARACTER_STATE_ATKED1:              true,
+	ATK_CHARACTER_STATE_INAIR_ATKED1:        true,
+	ATK_CHARACTER_STATE_BLOWN_UP1:           true,
+	ATK_CHARACTER_STATE_LAY_DOWN1:           true,
+	ATK_CHARACTER_STATE_GET_UP1:             true,
+}
+
+func ShouldPrefabInputFrameDownsync(prevRenderFrameId int32, renderFrameId int32) (bool, int32) {
+	for i := prevRenderFrameId + 1; i <= renderFrameId; i++ {
+		if (0 <= i) && (0 == (i & ((1 << INPUT_SCALE_FRAMES) - 1))) {
+			return true, i
+		}
+	}
+	return false, -1
+}
+
+func ShouldGenerateInputFrameUpsync(renderFrameId int32) bool {
+	return ((renderFrameId & ((1 << INPUT_SCALE_FRAMES) - 1)) == 0)
+}
+
+func ConvertToDelayedInputFrameId(renderFrameId int32) int32 {
+	if renderFrameId < INPUT_DELAY_FRAMES {
 		return 0
 	}
-	return ((renderFrameId - inputDelayFrames) >> inputScaleFrames)
+	return ((renderFrameId - INPUT_DELAY_FRAMES) >> INPUT_SCALE_FRAMES)
+}
+
+func ConvertToNoDelayInputFrameId(renderFrameId int32) int32 {
+	return (renderFrameId >> INPUT_SCALE_FRAMES)
+}
+
+func ConvertToFirstUsedRenderFrameId(inputFrameId int32) int32 {
+	return ((inputFrameId << INPUT_SCALE_FRAMES) + INPUT_DELAY_FRAMES)
+}
+
+func ConvertToLastUsedRenderFrameId(inputFrameId int32) int32 {
+	return ((inputFrameId << INPUT_SCALE_FRAMES) + INPUT_DELAY_FRAMES + (1 << INPUT_SCALE_FRAMES) - 1)
 }
 
 func decodeInput(encodedInput uint64) *InputFrameDecoded {
@@ -250,18 +311,18 @@ func isPolygonPairSeparatedByDir(a, b *resolv.ConvexPolygon, e resolv.Vector, re
 	return false
 }
 
-func WorldToVirtualGridPos(wx, wy, worldToVirtualGridRatio float64) (int32, int32) {
+func WorldToVirtualGridPos(wx, wy float64) (int32, int32) {
 	// [WARNING] Introduces loss of precision!
 	// In JavaScript floating numbers suffer from seemingly non-deterministic arithmetics, and even if certain libs solved this issue by approaches such as fixed-point-number, they might not be used in other libs -- e.g. the "collision libs" we're interested in -- thus couldn't kill all pains.
-	var virtualGridX int32 = int32(math.Floor(wx * worldToVirtualGridRatio))
+	var virtualGridX int32 = int32(math.Floor(wx * WORLD_TO_VIRTUAL_GRID_RATIO))
-	var virtualGridY int32 = int32(math.Floor(wy * worldToVirtualGridRatio))
+	var virtualGridY int32 = int32(math.Floor(wy * WORLD_TO_VIRTUAL_GRID_RATIO))
 	return virtualGridX, virtualGridY
 }
 
-func VirtualGridToWorldPos(vx, vy int32, virtualGridToWorldRatio float64) (float64, float64) {
+func VirtualGridToWorldPos(vx, vy int32) (float64, float64) {
 	// No loss of precision
-	var wx float64 = float64(vx) * virtualGridToWorldRatio
+	var wx float64 = float64(vx) * VIRTUAL_GRID_TO_WORLD_RATIO
-	var wy float64 = float64(vy) * virtualGridToWorldRatio
+	var wy float64 = float64(vy) * VIRTUAL_GRID_TO_WORLD_RATIO
 	return wx, wy
 }
 
@@ -273,13 +334,13 @@ func PolygonColliderBLToWorldPos(cx, cy, halfBoundingW, halfBoundingH, topPaddin
 	return cx + halfBoundingW + leftPadding - collisionSpaceOffsetX, cy + halfBoundingH + bottomPadding - collisionSpaceOffsetY
 }
 
-func PolygonColliderBLToVirtualGridPos(cx, cy, halfBoundingW, halfBoundingH, topPadding, bottomPadding, leftPadding, rightPadding, collisionSpaceOffsetX, collisionSpaceOffsetY float64, worldToVirtualGridRatio float64) (int32, int32) {
+func PolygonColliderBLToVirtualGridPos(cx, cy, halfBoundingW, halfBoundingH, topPadding, bottomPadding, leftPadding, rightPadding, collisionSpaceOffsetX, collisionSpaceOffsetY float64) (int32, int32) {
 	wx, wy := PolygonColliderBLToWorldPos(cx, cy, halfBoundingW, halfBoundingH, topPadding, bottomPadding, leftPadding, rightPadding, collisionSpaceOffsetX, collisionSpaceOffsetY)
-	return WorldToVirtualGridPos(wx, wy, worldToVirtualGridRatio)
+	return WorldToVirtualGridPos(wx, wy)
 }
 
-func VirtualGridToPolygonColliderBLPos(vx, vy int32, halfBoundingW, halfBoundingH, topPadding, bottomPadding, leftPadding, rightPadding, collisionSpaceOffsetX, collisionSpaceOffsetY float64, virtualGridToWorldRatio float64) (float64, float64) {
+func VirtualGridToPolygonColliderBLPos(vx, vy int32, halfBoundingW, halfBoundingH, topPadding, bottomPadding, leftPadding, rightPadding, collisionSpaceOffsetX, collisionSpaceOffsetY float64) (float64, float64) {
-	wx, wy := VirtualGridToWorldPos(vx, vy, virtualGridToWorldRatio)
+	wx, wy := VirtualGridToWorldPos(vx, vy)
 	return WorldToPolygonColliderBLPos(wx, wy, halfBoundingW, halfBoundingH, topPadding, bottomPadding, leftPadding, rightPadding, collisionSpaceOffsetX, collisionSpaceOffsetY)
 }
 
@@ -321,15 +382,19 @@ func calcHardPushbacksNorms(joinIndex int32, playerCollider *resolv.Object, play
 	return &ret
 }
 
-func deriveOpPattern(currPlayerDownsync, thatPlayerInNextFrame *PlayerDownsync, currRenderFrame *RoomDownsyncFrame, inputsBuffer *RingBuffer, inputDelayFrames int32, inputScaleFrames uint32) (int, bool, int32, int32) {
+func deriveOpPattern(currPlayerDownsync, thatPlayerInNextFrame *PlayerDownsync, currRenderFrame *RoomDownsyncFrame, inputsBuffer *RingBuffer) (int, bool, int32, int32) {
 	// returns (patternId, jumpedOrNot, effectiveDx, effectiveDy)
-	delayedInputFrameId := ConvertToInputFrameId(currRenderFrame.Id, inputDelayFrames, inputScaleFrames)
+	delayedInputFrameId := ConvertToDelayedInputFrameId(currRenderFrame.Id)
-	delayedInputFrameIdForPrevRdf := ConvertToInputFrameId(currRenderFrame.Id-1, inputDelayFrames, inputScaleFrames)
+	delayedInputFrameIdForPrevRdf := ConvertToDelayedInputFrameId(currRenderFrame.Id - 1)
 
 	if 0 >= delayedInputFrameId {
 		return PATTERN_ID_UNABLE_TO_OP, false, 0, 0
 	}
 
+	if _, existent := noOpSet[currPlayerDownsync.CharacterState]; existent {
+		return PATTERN_ID_UNABLE_TO_OP, false, 0, 0
+	}
+
 	delayedInputList := inputsBuffer.GetByFrameId(delayedInputFrameId).(*InputFrameDownsync).InputList
 	var delayedInputListForPrevRdf []uint64 = nil
 	if 0 < delayedInputFrameIdForPrevRdf {
@@ -338,11 +403,8 @@ func deriveOpPattern(currPlayerDownsync, thatPlayerInNextFrame *PlayerDownsync,
 
 	jumpedOrNot := false
 	joinIndex := currPlayerDownsync.JoinIndex
-	if 0 < currPlayerDownsync.FramesToRecover {
-		return PATTERN_ID_UNABLE_TO_OP, false, 0, 0
-	}
 	decodedInput := decodeInput(delayedInputList[joinIndex-1])
-	effDx, effDy := decodedInput.Dx, decodedInput.Dy
+	effDx, effDy := int32(0), int32(0)
 	prevBtnALevel, prevBtnBLevel := int32(0), int32(0)
 	if nil != delayedInputListForPrevRdf {
 		prevDecodedInput := decodeInput(delayedInputListForPrevRdf[joinIndex-1])
@@ -350,121 +412,164 @@ func deriveOpPattern(currPlayerDownsync, thatPlayerInNextFrame *PlayerDownsync,
 		prevBtnBLevel = prevDecodedInput.BtnBLevel
 	}
 
-	if decodedInput.BtnBLevel > prevBtnBLevel {
+	if 0 == currPlayerDownsync.FramesToRecover {
-		characStateAlreadyInAir := false
+		// Jumping and moving are only allowed here
-		if ATK_CHARACTER_STATE_INAIR_IDLE1 == currPlayerDownsync.CharacterState || ATK_CHARACTER_STATE_INAIR_ATK1 == currPlayerDownsync.CharacterState || ATK_CHARACTER_STATE_INAIR_ATKED1 == currPlayerDownsync.CharacterState {
+		effDx, effDy = decodedInput.Dx, decodedInput.Dy
-			characStateAlreadyInAir = true
+		if decodedInput.BtnBLevel > prevBtnBLevel {
-		}
+			if _, existent := inAirSet[currPlayerDownsync.CharacterState]; !existent {
-		characStateIsInterruptWaivable := false
+				jumpedOrNot = true
-		if ATK_CHARACTER_STATE_IDLE1 == currPlayerDownsync.CharacterState || ATK_CHARACTER_STATE_WALKING == currPlayerDownsync.CharacterState || ATK_CHARACTER_STATE_INAIR_IDLE1 == currPlayerDownsync.CharacterState {
+			}
-			characStateIsInterruptWaivable = true
-		}
-		if !characStateAlreadyInAir && characStateIsInterruptWaivable {
-			jumpedOrNot = true
 		}
 	}
 
 	patternId := PATTERN_ID_NO_OP
 	if decodedInput.BtnALevel > prevBtnALevel {
-		patternId = 0
+		patternId = 1
-		effDx, effDy = 0, 0 // Most patterns/skills should not allow simultaneous movement
 	}
 
 	return patternId, jumpedOrNot, effDx, effDy
 }
 
 // [WARNING] The params of this method is carefully tuned such that only "battle.RoomDownsyncFrame" is a necessary custom struct.
-func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer *RingBuffer, currRenderFrame *RoomDownsyncFrame, collisionSys *resolv.Space, collisionSysMap map[int32]*resolv.Object, gravityX, gravityY, jumpingInitVelY, inputDelayFrames int32, inputScaleFrames uint32, collisionSpaceOffsetX, collisionSpaceOffsetY, snapIntoPlatformOverlap, snapIntoPlatformThreshold, worldToVirtualGridRatio, virtualGridToWorldRatio float64, playerOpPatternToSkillId map[int]int) *RoomDownsyncFrame {
+func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer *RingBuffer, currRenderFrame *RoomDownsyncFrame, collisionSys *resolv.Space, collisionSysMap map[int32]*resolv.Object, collisionSpaceOffsetX, collisionSpaceOffsetY float64, chConfigsOrderedByJoinIndex []*CharacterConfig) *RoomDownsyncFrame {
 	// [WARNING] On backend this function MUST BE called while "InputsBufferLock" is locked!
 	roomCapacity := len(currRenderFrame.PlayersArr)
 	nextRenderFramePlayers := make([]*PlayerDownsync, roomCapacity)
 	// Make a copy first
 	for i, currPlayerDownsync := range currRenderFrame.PlayersArr {
 		nextRenderFramePlayers[i] = &PlayerDownsync{
-			Id:              currPlayerDownsync.Id,
+			Id:               currPlayerDownsync.Id,
-			VirtualGridX:    currPlayerDownsync.VirtualGridX,
+			VirtualGridX:     currPlayerDownsync.VirtualGridX,
-			VirtualGridY:    currPlayerDownsync.VirtualGridY,
+			VirtualGridY:     currPlayerDownsync.VirtualGridY,
-			DirX:            currPlayerDownsync.DirX,
+			DirX:             currPlayerDownsync.DirX,
-			DirY:            currPlayerDownsync.DirY,
+			DirY:             currPlayerDownsync.DirY,
-			VelX:            currPlayerDownsync.VelX,
+			VelX:             currPlayerDownsync.VelX,
-			VelY:            currPlayerDownsync.VelY,
+			VelY:             currPlayerDownsync.VelY,
-			CharacterState:  currPlayerDownsync.CharacterState,
+			CharacterState:   currPlayerDownsync.CharacterState,
-			InAir:           true,
+			InAir:            true,
-			Speed:           currPlayerDownsync.Speed,
+			Speed:            currPlayerDownsync.Speed,
-			BattleState:     currPlayerDownsync.BattleState,
+			BattleState:      currPlayerDownsync.BattleState,
-			Score:           currPlayerDownsync.Score,
+			Score:            currPlayerDownsync.Score,
-			Removed:         currPlayerDownsync.Removed,
+			Removed:          currPlayerDownsync.Removed,
-			JoinIndex:       currPlayerDownsync.JoinIndex,
+			JoinIndex:        currPlayerDownsync.JoinIndex,
-			FramesToRecover: currPlayerDownsync.FramesToRecover - 1,
+			Hp:               currPlayerDownsync.Hp,
-			Hp:              currPlayerDownsync.Hp,
+			MaxHp:            currPlayerDownsync.MaxHp,
-			MaxHp:           currPlayerDownsync.MaxHp,
+			FramesToRecover:  currPlayerDownsync.FramesToRecover - 1,
+			FramesInChState:  currPlayerDownsync.FramesInChState + 1,
+			ActiveSkillId:    currPlayerDownsync.ActiveSkillId,
+			ActiveSkillHit:   currPlayerDownsync.ActiveSkillHit,
+			FramesInvinsible: currPlayerDownsync.FramesInvinsible - 1,
+			ColliderRadius:   currPlayerDownsync.ColliderRadius,
 		}
 		if nextRenderFramePlayers[i].FramesToRecover < 0 {
 			nextRenderFramePlayers[i].FramesToRecover = 0
 		}
+		if nextRenderFramePlayers[i].FramesInvinsible < 0 {
+			nextRenderFramePlayers[i].FramesInvinsible = 0
+		}
 	}
 
 	nextRenderFrameMeleeBullets := make([]*MeleeBullet, 0, len(currRenderFrame.MeleeBullets)) // Is there any better way to reduce malloc/free impact, e.g. smart prediction for fixed memory allocation?
 	effPushbacks := make([]Vec2D, roomCapacity)
 	hardPushbackNorms := make([]*[]Vec2D, roomCapacity)
+	jumpedOrNotList := make([]bool, roomCapacity)
 
 	// 1. Process player inputs
 	for i, currPlayerDownsync := range currRenderFrame.PlayersArr {
+		jumpedOrNotList[i] = false
+		chConfig := chConfigsOrderedByJoinIndex[i]
 		thatPlayerInNextFrame := nextRenderFramePlayers[i]
-		patternId, jumpedOrNot, effDx, effDy := deriveOpPattern(currPlayerDownsync, thatPlayerInNextFrame, currRenderFrame, inputsBuffer, inputDelayFrames, inputScaleFrames)
+		patternId, jumpedOrNot, effDx, effDy := deriveOpPattern(currPlayerDownsync, thatPlayerInNextFrame, currRenderFrame, inputsBuffer)
-		if PATTERN_ID_UNABLE_TO_OP == patternId {
-			continue
-		}
 
 		if jumpedOrNot {
-			thatPlayerInNextFrame.VelY = jumpingInitVelY
+			thatPlayerInNextFrame.VelY = int32(chConfig.JumpingInitVelY)
-			thatPlayerInNextFrame.VirtualGridY += jumpingInitVelY // Immediately gets out of any snapping
+			jumpedOrNotList[i] = true
 		}
 		joinIndex := currPlayerDownsync.JoinIndex
-		if PATTERN_ID_NO_OP != patternId {
+		skillId := chConfig.SkillMapper(patternId, currPlayerDownsync)
-			if skillId, existent := playerOpPatternToSkillId[(int(joinIndex)<<uint(8))+patternId]; existent {
+		if skillConfig, existent := skills[skillId]; existent {
-				skillConfig := skillIdToBullet[skillId].(*MeleeBullet) // Hardcoded type "MeleeBullet" for now
+			thatPlayerInNextFrame.ActiveSkillId = int32(skillId)
-				var newMeleeBullet MeleeBullet = *skillConfig
+			thatPlayerInNextFrame.ActiveSkillHit = 0
-				newMeleeBullet.OffenderJoinIndex = joinIndex
+
-				newMeleeBullet.OffenderPlayerId = currPlayerDownsync.Id
+			// Hardcoded to use only the first hit for now
-				newMeleeBullet.OriginatedRenderFrameId = currRenderFrame.Id
+			switch v := skillConfig.Hits[thatPlayerInNextFrame.ActiveSkillHit].(type) {
-				nextRenderFrameMeleeBullets = append(nextRenderFrameMeleeBullets, &newMeleeBullet)
+			case *MeleeBullet:
-				thatPlayerInNextFrame.FramesToRecover = newMeleeBullet.RecoveryFrames
+				var newBullet MeleeBullet = *v // Copied primitive fields into an onstack variable
-				thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_ATK1
+				newBullet.OriginatedRenderFrameId = currRenderFrame.Id
-				if false == currPlayerDownsync.InAir {
+				newBullet.OffenderJoinIndex = joinIndex
-					thatPlayerInNextFrame.VelX = 0
+				nextRenderFrameMeleeBullets = append(nextRenderFrameMeleeBullets, &newBullet)
+				thatPlayerInNextFrame.FramesToRecover = skillConfig.RecoveryFrames
+
+				hasLockVel := false
+				if NO_LOCK_VEL != v.SelfLockVelX {
+					hasLockVel = true
+					xfac := int32(1)
+					if 0 > thatPlayerInNextFrame.DirX {
+						xfac = -xfac
+					}
+					thatPlayerInNextFrame.VelX = xfac * v.SelfLockVelX
+				}
+				if NO_LOCK_VEL != v.SelfLockVelY {
+					hasLockVel = true
+					thatPlayerInNextFrame.VelY = v.SelfLockVelY
+				}
+				if false == hasLockVel {
+					if false == currPlayerDownsync.InAir {
+						thatPlayerInNextFrame.VelX = 0
+					}
 				}
 			}
-			continue
+
+			thatPlayerInNextFrame.CharacterState = skillConfig.BoundChState
+			continue // Don't allow movement if skill is used
 		}
 
-		if 0 != effDx || 0 != effDy {
+		if 0 == currPlayerDownsync.FramesToRecover {
-			thatPlayerInNextFrame.DirX, thatPlayerInNextFrame.DirY = effDx, effDy
+			if 0 != effDx || 0 != effDy {
-			thatPlayerInNextFrame.VelX = effDx * currPlayerDownsync.Speed
+				thatPlayerInNextFrame.DirX, thatPlayerInNextFrame.DirY = effDx, effDy
-			thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_WALKING
+				thatPlayerInNextFrame.VelX = effDx * currPlayerDownsync.Speed
-		} else {
+				thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_WALKING
-			thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_IDLE1
+			} else {
-			thatPlayerInNextFrame.VelX = 0
+				thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_IDLE1
+				thatPlayerInNextFrame.VelX = 0
+			}
 		}
 	}
 
 	// 2. Process player movement
+	playerColliders := make([]*resolv.Object, len(currRenderFrame.PlayersArr), len(currRenderFrame.PlayersArr)) // Will all be removed at the end of this function due to the need for being rollback-compatible
 	for i, currPlayerDownsync := range currRenderFrame.PlayersArr {
 		joinIndex := currPlayerDownsync.JoinIndex
 		effPushbacks[joinIndex-1].X, effPushbacks[joinIndex-1].Y = float64(0), float64(0)
-		collisionPlayerIndex := COLLISION_PLAYER_INDEX_PREFIX + joinIndex
+
-		playerCollider := collisionSysMap[collisionPlayerIndex]
+		chConfig := chConfigsOrderedByJoinIndex[i]
-		thatPlayerInNextFrame := nextRenderFramePlayers[i]
 		// Reset playerCollider position from the "virtual grid position"
 		newVx, newVy := currPlayerDownsync.VirtualGridX+currPlayerDownsync.VelX, currPlayerDownsync.VirtualGridY+currPlayerDownsync.VelY
+		if jumpedOrNotList[i] {
+			newVy += chConfig.JumpingInitVelY // Immediately gets out of any snapping
+		}
 
-		playerCollider.X, playerCollider.Y = VirtualGridToPolygonColliderBLPos(newVx, newVy, playerCollider.W*0.5, playerCollider.H*0.5, 0, 0, 0, 0, collisionSpaceOffsetX, collisionSpaceOffsetY, virtualGridToWorldRatio)
+		wx, wy := VirtualGridToWorldPos(newVx, newVy)
-		// Update in the collision system
+		colliderWidth, colliderHeight := currPlayerDownsync.ColliderRadius*2, currPlayerDownsync.ColliderRadius*4
-		playerCollider.Update()
+		switch currPlayerDownsync.CharacterState {
+		case ATK_CHARACTER_STATE_LAY_DOWN1:
+			colliderWidth, colliderHeight = currPlayerDownsync.ColliderRadius*4, currPlayerDownsync.ColliderRadius*2
+		case ATK_CHARACTER_STATE_BLOWN_UP1, ATK_CHARACTER_STATE_INAIR_IDLE1_NO_JUMP, ATK_CHARACTER_STATE_INAIR_IDLE1_BY_JUMP:
+			colliderWidth, colliderHeight = currPlayerDownsync.ColliderRadius*2, currPlayerDownsync.ColliderRadius*2
+		}
 
+		colliderWorldWidth, colliderWorldHeight := VirtualGridToWorldPos(colliderWidth, colliderHeight)
+
+		playerCollider := GenerateRectCollider(wx, wy, colliderWorldWidth, colliderWorldHeight, SNAP_INTO_PLATFORM_OVERLAP, SNAP_INTO_PLATFORM_OVERLAP, SNAP_INTO_PLATFORM_OVERLAP, SNAP_INTO_PLATFORM_OVERLAP, collisionSpaceOffsetX, collisionSpaceOffsetY, currPlayerDownsync, "Player") // the coords of all barrier boundaries are multiples of tileWidth(i.e. 16), by adding snapping y-padding when "landedOnGravityPushback" all "playerCollider.Y" would be a multiple of 1.0
+		playerColliders[i] = playerCollider
+
+		// Add to collision system
+		collisionSys.Add(playerCollider)
+
+		thatPlayerInNextFrame := nextRenderFramePlayers[i]
 		if currPlayerDownsync.InAir {
-			thatPlayerInNextFrame.VelX += gravityX
+			thatPlayerInNextFrame.VelX += GRAVITY_X
-			thatPlayerInNextFrame.VelY += gravityY
+			thatPlayerInNextFrame.VelY += GRAVITY_Y
 		}
 	}
 
@@ -474,13 +579,13 @@ func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer *RingBuffer
 		if (meleeBullet.OriginatedRenderFrameId+meleeBullet.StartupFrames <= currRenderFrame.Id) && (meleeBullet.OriginatedRenderFrameId+meleeBullet.StartupFrames+meleeBullet.ActiveFrames > currRenderFrame.Id) {
 			offender := currRenderFrame.PlayersArr[meleeBullet.OffenderJoinIndex-1]
 
-			xfac := float64(1.0) // By now, straight Punch offset doesn't respect "y-axis"
+			xfac := int32(1) // By now, straight Punch offset doesn't respect "y-axis"
 			if 0 > offender.DirX {
-				xfac = float64(-1.0)
+				xfac = -xfac
 			}
-			offenderWx, offenderWy := VirtualGridToWorldPos(offender.VirtualGridX, offender.VirtualGridY, virtualGridToWorldRatio)
+			bulletWx, bulletWy := VirtualGridToWorldPos(offender.VirtualGridX+xfac*meleeBullet.HitboxOffsetX, offender.VirtualGridY)
-			bulletWx, bulletWy := offenderWx+xfac*meleeBullet.HitboxOffset, offenderWy
+			hitboxSizeWx, hitboxSizeWy := VirtualGridToWorldPos(meleeBullet.HitboxSizeX, meleeBullet.HitboxSizeY)
-			newBulletCollider := GenerateRectCollider(bulletWx, bulletWy, meleeBullet.HitboxSizeX, meleeBullet.HitboxSizeY, snapIntoPlatformOverlap, snapIntoPlatformOverlap, snapIntoPlatformOverlap, snapIntoPlatformOverlap, collisionSpaceOffsetX, collisionSpaceOffsetY, meleeBullet, "MeleeBullet")
+			newBulletCollider := GenerateRectCollider(bulletWx, bulletWy, hitboxSizeWx, hitboxSizeWy, SNAP_INTO_PLATFORM_OVERLAP, SNAP_INTO_PLATFORM_OVERLAP, SNAP_INTO_PLATFORM_OVERLAP, SNAP_INTO_PLATFORM_OVERLAP, collisionSpaceOffsetX, collisionSpaceOffsetY, meleeBullet, "MeleeBullet")
 			collisionSys.Add(newBulletCollider)
 			bulletColliders = append(bulletColliders, newBulletCollider)
 		} else {
@@ -491,12 +596,13 @@ func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer *RingBuffer
 	// 4. Calc pushbacks for each player (after its movement) w/o bullets
 	for i, currPlayerDownsync := range currRenderFrame.PlayersArr {
 		joinIndex := currPlayerDownsync.JoinIndex
-		collisionPlayerIndex := COLLISION_PLAYER_INDEX_PREFIX + joinIndex
+		playerCollider := playerColliders[i]
-		playerCollider := collisionSysMap[collisionPlayerIndex]
 		playerShape := playerCollider.Shape.(*resolv.ConvexPolygon)
-		hardPushbackNorms[joinIndex-1] = calcHardPushbacksNorms(joinIndex, playerCollider, playerShape, snapIntoPlatformOverlap, &(effPushbacks[joinIndex-1]))
+		hardPushbackNorms[joinIndex-1] = calcHardPushbacksNorms(joinIndex, playerCollider, playerShape, SNAP_INTO_PLATFORM_OVERLAP, &(effPushbacks[joinIndex-1]))
 		thatPlayerInNextFrame := nextRenderFramePlayers[i]
+		chConfig := chConfigsOrderedByJoinIndex[i]
 		landedOnGravityPushback := false
+
 		if collision := playerCollider.Check(0, 0); nil != collision {
 			for _, obj := range collision.Objects {
 				isBarrier, isAnotherPlayer, isBullet := false, false, false
@@ -521,7 +627,7 @@ func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer *RingBuffer
 				normAlignmentWithGravity := (overlapResult.OverlapX*float64(0) + overlapResult.OverlapY*float64(-1.0))
 				if isAnotherPlayer {
 					// [WARNING] The "zero overlap collision" might be randomly detected/missed on either frontend or backend, to have deterministic result we added paddings to all sides of a playerCollider. As each velocity component of (velX, velY) being a multiple of 0.5 at any renderFrame, each position component of (x, y) can only be a multiple of 0.5 too, thus whenever a 1-dimensional collision happens between players from [player#1: i*0.5, player#2: j*0.5, not collided yet] to [player#1: (i+k)*0.5, player#2: j*0.5, collided], the overlap becomes (i+k-j)*0.5+2*s, and after snapping subtraction the effPushback magnitude for each player is (i+k-j)*0.5, resulting in 0.5-multiples-position for the next renderFrame.
-					pushbackX, pushbackY = (overlapResult.Overlap-snapIntoPlatformOverlap*2)*overlapResult.OverlapX, (overlapResult.Overlap-snapIntoPlatformOverlap*2)*overlapResult.OverlapY
+					pushbackX, pushbackY = (overlapResult.Overlap-SNAP_INTO_PLATFORM_OVERLAP*2)*overlapResult.OverlapX, (overlapResult.Overlap-SNAP_INTO_PLATFORM_OVERLAP*2)*overlapResult.OverlapY
 				}
 				for _, hardPushbackNorm := range *hardPushbackNorms[joinIndex-1] {
 					projectedMagnitude := pushbackX*hardPushbackNorm.X + pushbackY*hardPushbackNorm.Y
@@ -533,7 +639,7 @@ func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer *RingBuffer
 				effPushbacks[joinIndex-1].X += pushbackX
 				effPushbacks[joinIndex-1].Y += pushbackY
 
-				if snapIntoPlatformThreshold < normAlignmentWithGravity {
+				if SNAP_INTO_PLATFORM_THRESHOLD < normAlignmentWithGravity {
 					landedOnGravityPushback = true
 					//playerColliderCenterX, playerColliderCenterY := playerCollider.Center()
 					//fmt.Printf("joinIndex=%d landedOnGravityPushback\n{renderFrame.id: %d, isBarrier: %v, isAnotherPlayer: %v}\nhardPushbackNormsOfThisPlayer=%v, playerColliderPos=(%.2f,%.2f), immediatePushback={%.3f, %.3f}, effPushback={%.3f, %.3f}, overlapMag=%.4f\n", joinIndex, currRenderFrame.Id, isBarrier, isAnotherPlayer, *hardPushbackNorms[joinIndex-1], playerColliderCenterX, playerColliderCenterY, pushbackX, pushbackY, effPushbacks[joinIndex-1].X, effPushbacks[joinIndex-1].Y, overlapResult.Overlap)
@@ -544,75 +650,86 @@ func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer *RingBuffer
 			thatPlayerInNextFrame.InAir = false
 			if currPlayerDownsync.InAir && 0 >= currPlayerDownsync.VelY {
 				// fallStopping
-				thatPlayerInNextFrame.VelX = 0
 				thatPlayerInNextFrame.VelY = 0
-				thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_IDLE1
+				thatPlayerInNextFrame.VelX = 0
-				thatPlayerInNextFrame.FramesToRecover = 0
+				if _, existent := nonAttackingSet[thatPlayerInNextFrame.CharacterState]; existent {
-			}
+					if ATK_CHARACTER_STATE_BLOWN_UP1 == thatPlayerInNextFrame.CharacterState {
-		}
+						thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_LAY_DOWN1
-		if currPlayerDownsync.InAir {
+						thatPlayerInNextFrame.FramesToRecover = chConfig.LayDownFramesToRecover
-			oldNextCharacterState := thatPlayerInNextFrame.CharacterState
+					} else {
-			switch oldNextCharacterState {
+						halfColliderWidthDiff, halfColliderHeightDiff := int32(0), currPlayerDownsync.ColliderRadius
-			case ATK_CHARACTER_STATE_IDLE1, ATK_CHARACTER_STATE_WALKING:
+						_, halfColliderWorldHeightDiff := VirtualGridToWorldPos(halfColliderWidthDiff, halfColliderHeightDiff)
-				thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_INAIR_IDLE1
+						effPushbacks[joinIndex-1].Y -= halfColliderWorldHeightDiff // To prevent bouncing due to abrupt change of collider shape
-			case ATK_CHARACTER_STATE_ATK1:
+						thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_IDLE1
-				thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_INAIR_ATK1
+					}
-			case ATK_CHARACTER_STATE_ATKED1:
+				}
-				thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_INAIR_ATKED1
+			} else {
+				if _, existent := nonAttackingSet[thatPlayerInNextFrame.CharacterState]; existent {
+					// not fallStopping, could be in LayDown or GetUp
+					if ATK_CHARACTER_STATE_LAY_DOWN1 == thatPlayerInNextFrame.CharacterState {
+						if 0 == thatPlayerInNextFrame.FramesToRecover {
+							thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_GET_UP1
+							thatPlayerInNextFrame.FramesToRecover = chConfig.GetUpFramesToRecover
+						}
+					} else if ATK_CHARACTER_STATE_GET_UP1 == thatPlayerInNextFrame.CharacterState {
+						if 0 == thatPlayerInNextFrame.FramesToRecover {
+							thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_IDLE1
+							thatPlayerInNextFrame.FramesInvinsible = chConfig.GetUpInvinsibleFrames
+						}
+					}
+				}
 			}
 		}
 	}
 
 	// 5. Check bullet-anything collisions
 	for _, bulletCollider := range bulletColliders {
-		meleeBullet := bulletCollider.Data.(*MeleeBullet)
-		bulletShape := bulletCollider.Shape.(*resolv.ConvexPolygon)
 		collision := bulletCollider.Check(0, 0)
 		bulletCollider.Space.Remove(bulletCollider) // Make sure that the bulletCollider is always removed for each renderFrame
-		if nil == collision {
+		switch v := bulletCollider.Data.(type) {
-			nextRenderFrameMeleeBullets = append(nextRenderFrameMeleeBullets, meleeBullet)
+		case *MeleeBullet:
-			continue
+			if nil == collision {
-		}
+				nextRenderFrameMeleeBullets = append(nextRenderFrameMeleeBullets, v)
-		offender := currRenderFrame.PlayersArr[meleeBullet.OffenderJoinIndex-1]
+				continue
-		for _, obj := range collision.Objects {
+			}
-			defenderShape := obj.Shape.(*resolv.ConvexPolygon)
+			bulletShape := bulletCollider.Shape.(*resolv.ConvexPolygon)
-			switch t := obj.Data.(type) {
+			offender := currRenderFrame.PlayersArr[v.OffenderJoinIndex-1]
-			case *PlayerDownsync:
+			for _, obj := range collision.Objects {
-				if meleeBullet.OffenderPlayerId == t.Id {
+				defenderShape := obj.Shape.(*resolv.ConvexPolygon)
-					continue
+				switch t := obj.Data.(type) {
-				}
+				case *PlayerDownsync:
-				overlapped, _, _, _ := CalcPushbacks(0, 0, bulletShape, defenderShape)
+					if v.OffenderJoinIndex == t.JoinIndex {
-				if !overlapped {
+						continue
-					continue
-				}
-				joinIndex := t.JoinIndex
-				xfac := float64(1.0) // By now, straight Punch offset doesn't respect "y-axis"
-				if 0 > offender.DirX {
-					xfac = float64(-1.0)
-				}
-				pushbackX, pushbackY := -xfac*meleeBullet.Pushback, float64(0)
-
-				for _, hardPushbackNorm := range *hardPushbackNorms[joinIndex-1] {
-					projectedMagnitude := pushbackX*hardPushbackNorm.X + pushbackY*hardPushbackNorm.Y
-					if 0 > projectedMagnitude {
-						//fmt.Printf("defenderPlayerId=%d, joinIndex=%d reducing bullet pushback={%.3f, %.3f} by {%.3f, %.3f} where hardPushbackNorm={%.3f, %.3f}, projectedMagnitude=%.3f at renderFrame.id=%d", t.Id, joinIndex, pushbackX, pushbackY, projectedMagnitude*hardPushbackNorm.X, projectedMagnitude*hardPushbackNorm.Y, hardPushbackNorm.X, hardPushbackNorm.Y, projectedMagnitude, currRenderFrame.Id)
-						pushbackX -= projectedMagnitude * hardPushbackNorm.X
-						pushbackY -= projectedMagnitude * hardPushbackNorm.Y
 					}
+					if _, existent := invinsibleSet[t.CharacterState]; existent {
+						continue
+					}
+					if 0 < t.FramesInvinsible {
+						continue
+					}
+					overlapped, _, _, _ := CalcPushbacks(0, 0, bulletShape, defenderShape)
+					if !overlapped {
+						continue
+					}
+					xfac := int32(1) // By now, straight Punch offset doesn't respect "y-axis"
+					if 0 > offender.DirX {
+						xfac = -xfac
+					}
+					pushbackVelX, pushbackVelY := xfac*v.PushbackVelX, v.PushbackVelY
+					atkedPlayerInNextFrame := nextRenderFramePlayers[t.JoinIndex-1]
+					atkedPlayerInNextFrame.VelX = pushbackVelX
+					atkedPlayerInNextFrame.VelY = pushbackVelY
+					if v.BlowUp {
+						atkedPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_BLOWN_UP1
+					} else {
+						atkedPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_ATKED1
+					}
+					oldFramesToRecover := nextRenderFramePlayers[t.JoinIndex-1].FramesToRecover
+					if v.HitStunFrames > oldFramesToRecover {
+						atkedPlayerInNextFrame.FramesToRecover = v.HitStunFrames
+					}
+				default:
 				}
-
-				effPushbacks[joinIndex-1].X += pushbackX
-				effPushbacks[joinIndex-1].Y += pushbackY
-				atkedPlayerInCurFrame, atkedPlayerInNextFrame := currRenderFrame.PlayersArr[t.JoinIndex-1], nextRenderFramePlayers[t.JoinIndex-1]
-				atkedPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_ATKED1
-				if atkedPlayerInCurFrame.InAir {
-					atkedPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_INAIR_ATKED1
-				}
-				oldFramesToRecover := nextRenderFramePlayers[t.JoinIndex-1].FramesToRecover
-				if meleeBullet.HitStunFrames > oldFramesToRecover {
-					atkedPlayerInNextFrame.FramesToRecover = meleeBullet.HitStunFrames
-				}
-			default:
 			}
 		}
 	}
@@ -620,11 +737,43 @@ func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer *RingBuffer
 	// 6. Get players out of stuck barriers if there's any
 	for i, currPlayerDownsync := range currRenderFrame.PlayersArr {
 		joinIndex := currPlayerDownsync.JoinIndex
-		collisionPlayerIndex := COLLISION_PLAYER_INDEX_PREFIX + joinIndex
+		playerCollider := playerColliders[i]
-		playerCollider := collisionSysMap[collisionPlayerIndex]
 		// Update "virtual grid position"
 		thatPlayerInNextFrame := nextRenderFramePlayers[i]
-		thatPlayerInNextFrame.VirtualGridX, thatPlayerInNextFrame.VirtualGridY = PolygonColliderBLToVirtualGridPos(playerCollider.X-effPushbacks[joinIndex-1].X, playerCollider.Y-effPushbacks[joinIndex-1].Y, playerCollider.W*0.5, playerCollider.H*0.5, 0, 0, 0, 0, collisionSpaceOffsetX, collisionSpaceOffsetY, worldToVirtualGridRatio)
+		thatPlayerInNextFrame.VirtualGridX, thatPlayerInNextFrame.VirtualGridY = PolygonColliderBLToVirtualGridPos(playerCollider.X-effPushbacks[joinIndex-1].X, playerCollider.Y-effPushbacks[joinIndex-1].Y, playerCollider.W*0.5, playerCollider.H*0.5, 0, 0, 0, 0, collisionSpaceOffsetX, collisionSpaceOffsetY)
+
+		// Update "CharacterState"
+		if thatPlayerInNextFrame.InAir {
+			oldNextCharacterState := thatPlayerInNextFrame.CharacterState
+			switch oldNextCharacterState {
+			case ATK_CHARACTER_STATE_IDLE1, ATK_CHARACTER_STATE_WALKING:
+				if jumpedOrNotList[i] || ATK_CHARACTER_STATE_INAIR_IDLE1_BY_JUMP == currPlayerDownsync.CharacterState {
+					thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_INAIR_IDLE1_BY_JUMP
+				} else {
+					thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_INAIR_IDLE1_NO_JUMP
+				}
+			case ATK_CHARACTER_STATE_ATK1:
+				thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_INAIR_ATK1
+				// No inAir transition for ATK2/ATK3 for now
+			case ATK_CHARACTER_STATE_ATKED1:
+				thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_INAIR_ATKED1
+			}
+		}
+
+		// Reset "FramesInChState" if "CharacterState" is changed
+		if thatPlayerInNextFrame.CharacterState != currPlayerDownsync.CharacterState {
+			thatPlayerInNextFrame.FramesInChState = 0
+		}
+
+		// Remove any active skill if not attacking
+		if _, existent := nonAttackingSet[thatPlayerInNextFrame.CharacterState]; existent {
+			thatPlayerInNextFrame.ActiveSkillId = int32(NO_SKILL)
+			thatPlayerInNextFrame.ActiveSkillHit = int32(NO_SKILL_HIT)
+		}
+	}
+
+	for _, playerCollider := range playerColliders {
+		playerCollider.Space.Remove(playerCollider)
 	}
 
 	return &RoomDownsyncFrame{

jsexport/battle/characterConfig.go

@@ -0,0 +1,348 @@
+package battle
+
+type SkillMapperType func(patternId int, currPlayerDownsync *PlayerDownsync) int
+
+type CharacterConfig struct {
+	SpeciesId   int
+	SpeciesName string
+
+	InAirIdleFrameIdxTurningPoint int
+	InAirIdleFrameIdxTurnedCycle  int
+
+	LayDownFrames          int32
+	LayDownFramesToRecover int32
+
+	GetUpInvinsibleFrames int32
+	GetUpFramesToRecover  int32
+
+	Speed           int32
+	JumpingInitVelY int32
+
+	SkillMapper SkillMapperType
+}
+
+var Characters = map[int]*CharacterConfig{
+	0: &CharacterConfig{
+		SpeciesId:   0,
+		SpeciesName: "MonkGirl",
+
+		InAirIdleFrameIdxTurningPoint: 11,
+		InAirIdleFrameIdxTurnedCycle:  1,
+
+		LayDownFrames:          int32(16),
+		LayDownFramesToRecover: int32(16),
+
+		GetUpInvinsibleFrames: int32(10),
+		GetUpFramesToRecover:  int32(27),
+
+		Speed:           int32(float64(1.2) * WORLD_TO_VIRTUAL_GRID_RATIO),
+		JumpingInitVelY: int32(float64(8) * WORLD_TO_VIRTUAL_GRID_RATIO),
+
+		SkillMapper: func(patternId int, currPlayerDownsync *PlayerDownsync) int {
+			if 1 == patternId {
+				if 0 == currPlayerDownsync.FramesToRecover {
+					if currPlayerDownsync.InAir {
+						return 255
+					} else {
+						return 1
+					}
+				} else {
+					// Now that "0 < FramesToRecover", we're only able to fire any skill if it's a cancellation
+					if skillConfig, existent1 := skills[int(currPlayerDownsync.ActiveSkillId)]; existent1 {
+						switch v := skillConfig.Hits[currPlayerDownsync.ActiveSkillHit].(type) {
+						case *MeleeBullet:
+							if v.CancellableStFrame <= currPlayerDownsync.FramesInChState && currPlayerDownsync.FramesInChState < v.CancellableEdFrame {
+								if nextSkillId, existent2 := v.CancelTransit[patternId]; existent2 {
+									return nextSkillId
+								}
+							}
+						}
+					}
+				}
+			}
+
+			// By default no skill can be fired
+			return NO_SKILL
+		},
+	},
+	1: &CharacterConfig{
+		SpeciesId:   1,
+		SpeciesName: "KnifeGirl",
+
+		InAirIdleFrameIdxTurningPoint: 9,
+		InAirIdleFrameIdxTurnedCycle:  1,
+
+		LayDownFrames:          int32(16),
+		LayDownFramesToRecover: int32(16),
+
+		GetUpInvinsibleFrames: int32(10),
+		GetUpFramesToRecover:  int32(27),
+
+		Speed:           int32(float64(1.4) * WORLD_TO_VIRTUAL_GRID_RATIO),
+		JumpingInitVelY: int32(float64(7.5) * WORLD_TO_VIRTUAL_GRID_RATIO),
+
+		SkillMapper: func(patternId int, currPlayerDownsync *PlayerDownsync) int {
+			if 1 == patternId {
+				if 0 == currPlayerDownsync.FramesToRecover {
+					if currPlayerDownsync.InAir {
+						return 256
+					} else {
+						return 4
+					}
+				} else {
+					// Now that "0 < FramesToRecover", we're only able to fire any skill if it's a cancellation
+					if skillConfig, existent1 := skills[int(currPlayerDownsync.ActiveSkillId)]; existent1 {
+						switch v := skillConfig.Hits[currPlayerDownsync.ActiveSkillHit].(type) {
+						case *MeleeBullet:
+							if v.CancellableStFrame <= currPlayerDownsync.FramesInChState && currPlayerDownsync.FramesInChState < v.CancellableEdFrame {
+								if nextSkillId, existent2 := v.CancelTransit[patternId]; existent2 {
+									return nextSkillId
+								}
+							}
+						}
+					}
+				}
+			}
+
+			// By default no skill can be fired
+			return NO_SKILL
+		},
+	},
+}
+
+var skills = map[int]*Skill{
+	1: &Skill{
+		RecoveryFrames:        int32(30),
+		RecoveryFramesOnBlock: int32(30),
+		RecoveryFramesOnHit:   int32(30),
+		ReleaseTriggerType:    int32(1),
+		BoundChState:          ATK_CHARACTER_STATE_ATK1,
+		Hits: []interface{}{
+			&MeleeBullet{
+				Bullet: Bullet{
+					StartupFrames:      int32(7),
+					ActiveFrames:       int32(22),
+					HitStunFrames:      int32(13),
+					BlockStunFrames:    int32(9),
+					Damage:             int32(5),
+					SelfLockVelX:       int32(float64(0.05) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					SelfLockVelY:       NO_LOCK_VEL,
+					PushbackVelX:       int32(float64(0.5) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					PushbackVelY:       int32(0),
+					HitboxOffsetX:      int32(float64(12) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetY:      int32(0),
+					HitboxSizeX:        int32(float64(24) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxSizeY:        int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					CancellableStFrame: int32(13),
+					CancellableEdFrame: int32(30),
+
+					CancelTransit: map[int]int{
+						1: 2,
+					},
+					// TODO: Use non-zero "selfLockVel"
+				},
+			},
+		},
+	},
+	2: &Skill{
+		RecoveryFrames:        int32(36),
+		RecoveryFramesOnBlock: int32(36),
+		RecoveryFramesOnHit:   int32(36),
+		ReleaseTriggerType:    int32(1),
+		BoundChState:          ATK_CHARACTER_STATE_ATK2,
+		Hits: []interface{}{
+			&MeleeBullet{
+				Bullet: Bullet{
+					StartupFrames:      int32(18),
+					ActiveFrames:       int32(18),
+					HitStunFrames:      int32(18),
+					BlockStunFrames:    int32(9),
+					Damage:             int32(5),
+					SelfLockVelX:       int32(float64(0.1) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					SelfLockVelY:       NO_LOCK_VEL,
+					PushbackVelX:       int32(float64(0.5) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					PushbackVelY:       int32(0),
+					HitboxOffsetX:      int32(float64(18) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetY:      int32(0),
+					HitboxSizeX:        int32(float64(24) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxSizeY:        int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					CancellableStFrame: int32(22),
+					CancellableEdFrame: int32(36),
+					CancelTransit: map[int]int{
+						1: 3,
+					},
+				},
+			},
+		},
+	},
+	3: &Skill{
+		RecoveryFrames:        int32(50),
+		RecoveryFramesOnBlock: int32(50),
+		RecoveryFramesOnHit:   int32(50),
+		ReleaseTriggerType:    int32(1),
+		BoundChState:          ATK_CHARACTER_STATE_ATK3,
+		Hits: []interface{}{
+			&MeleeBullet{
+				Bullet: Bullet{
+					StartupFrames:   int32(15),
+					ActiveFrames:    int32(30),
+					HitStunFrames:   MAX_INT32,
+					BlockStunFrames: int32(9),
+					Damage:          int32(10),
+					SelfLockVelX:    int32(float64(0.5) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					SelfLockVelY:    int32(float64(5) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					PushbackVelX:    int32(float64(2) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					PushbackVelY:    int32(float64(7) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetX:   int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetY:   int32(0),
+					HitboxSizeX:     int32(float64(48) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxSizeY:     int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					BlowUp:          true,
+				},
+			},
+		},
+	},
+	4: &Skill{
+		RecoveryFrames:        int32(30),
+		RecoveryFramesOnBlock: int32(30),
+		RecoveryFramesOnHit:   int32(30),
+		ReleaseTriggerType:    int32(1),
+		BoundChState:          ATK_CHARACTER_STATE_ATK1,
+		Hits: []interface{}{
+			&MeleeBullet{
+				Bullet: Bullet{
+					StartupFrames:      int32(7),
+					ActiveFrames:       int32(22),
+					HitStunFrames:      int32(13),
+					BlockStunFrames:    int32(9),
+					Damage:             int32(5),
+					SelfLockVelX:       int32(float64(0.05) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					SelfLockVelY:       NO_LOCK_VEL,
+					PushbackVelX:       int32(float64(0.5) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					PushbackVelY:       int32(0),
+					HitboxOffsetX:      int32(float64(12) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetY:      int32(0),
+					HitboxSizeX:        int32(float64(24) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxSizeY:        int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					CancellableStFrame: int32(13),
+					CancellableEdFrame: int32(30),
+
+					CancelTransit: map[int]int{
+						1: 5,
+					},
+					// TODO: Use non-zero "selfLockVel"
+				},
+			},
+		},
+	},
+	5: &Skill{
+		RecoveryFrames:        int32(36),
+		RecoveryFramesOnBlock: int32(36),
+		RecoveryFramesOnHit:   int32(36),
+		ReleaseTriggerType:    int32(1),
+		BoundChState:          ATK_CHARACTER_STATE_ATK2,
+		Hits: []interface{}{
+			&MeleeBullet{
+				Bullet: Bullet{
+					StartupFrames:      int32(18),
+					ActiveFrames:       int32(18),
+					HitStunFrames:      int32(18),
+					BlockStunFrames:    int32(9),
+					Damage:             int32(5),
+					SelfLockVelX:       int32(float64(0.1) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					SelfLockVelY:       NO_LOCK_VEL,
+					PushbackVelX:       int32(float64(0.5) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					PushbackVelY:       int32(0),
+					HitboxOffsetX:      int32(float64(18) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetY:      int32(0),
+					HitboxSizeX:        int32(float64(24) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxSizeY:        int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					CancellableStFrame: int32(22),
+					CancellableEdFrame: int32(36),
+					CancelTransit: map[int]int{
+						1: 6,
+					},
+				},
+			},
+		},
+	},
+	6: &Skill{
+		RecoveryFrames:        int32(45),
+		RecoveryFramesOnBlock: int32(45),
+		RecoveryFramesOnHit:   int32(45),
+		ReleaseTriggerType:    int32(1),
+		BoundChState:          ATK_CHARACTER_STATE_ATK3,
+		Hits: []interface{}{
+			&MeleeBullet{
+				Bullet: Bullet{
+					StartupFrames:   int32(15),
+					ActiveFrames:    int32(28),
+					HitStunFrames:   MAX_INT32,
+					BlockStunFrames: int32(9),
+					Damage:          int32(10),
+					SelfLockVelX:    int32(float64(-0.1) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					SelfLockVelY:    NO_LOCK_VEL,
+					PushbackVelX:    int32(float64(2) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					PushbackVelY:    int32(float64(7) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetX:   int32(float64(24) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetY:   int32(0),
+					HitboxSizeX:     int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxSizeY:     int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					BlowUp:          true,
+				},
+			},
+		},
+	},
+	255: &Skill{
+		RecoveryFrames:        int32(30),
+		RecoveryFramesOnBlock: int32(30),
+		RecoveryFramesOnHit:   int32(30),
+		ReleaseTriggerType:    int32(1),
+		BoundChState:          ATK_CHARACTER_STATE_INAIR_ATK1,
+		Hits: []interface{}{
+			&MeleeBullet{
+				Bullet: Bullet{
+					StartupFrames:   int32(3),
+					ActiveFrames:    int32(20),
+					HitStunFrames:   int32(18),
+					BlockStunFrames: int32(9),
+					Damage:          int32(5),
+					SelfLockVelX:    NO_LOCK_VEL,
+					SelfLockVelY:    NO_LOCK_VEL,
+					PushbackVelX:    int32(float64(0.5) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					PushbackVelY:    int32(0),
+					HitboxOffsetX:   int32(float64(12) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetY:   int32(0),
+					HitboxSizeX:     int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxSizeY:     int32(float64(24) * WORLD_TO_VIRTUAL_GRID_RATIO),
+				},
+			},
+		},
+	},
+	256: &Skill{
+		RecoveryFrames:        int32(20),
+		RecoveryFramesOnBlock: int32(20),
+		RecoveryFramesOnHit:   int32(20),
+		ReleaseTriggerType:    int32(1),
+		BoundChState:          ATK_CHARACTER_STATE_INAIR_ATK1,
+		Hits: []interface{}{
+			&MeleeBullet{
+				Bullet: Bullet{
+					StartupFrames:   int32(3),
+					ActiveFrames:    int32(10),
+					HitStunFrames:   int32(15),
+					BlockStunFrames: int32(9),
+					Damage:          int32(5),
+					SelfLockVelX:    NO_LOCK_VEL,
+					SelfLockVelY:    NO_LOCK_VEL,
+					PushbackVelX:    int32(float64(0.5) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					PushbackVelY:    int32(0),
+					HitboxOffsetX:   int32(float64(12) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxOffsetY:   int32(0),
+					HitboxSizeX:     int32(float64(32) * WORLD_TO_VIRTUAL_GRID_RATIO),
+					HitboxSizeY:     int32(float64(24) * WORLD_TO_VIRTUAL_GRID_RATIO),
+				},
+			},
+		},
+	},
+}

jsexport/battle/room_downsync_frame.go

@@ -23,15 +23,21 @@ type PlayerDownsync struct {
 	Speed             int32
 	BattleState       int32
 	JoinIndex         int32
-	ColliderRadius    float64
+	ColliderRadius    int32
 	Removed           bool
 	Score             int32
 	LastMoveGmtMillis int32
 	FramesToRecover   int32
+	FramesInChState   int32
 	Hp                int32
 	MaxHp             int32
 	CharacterState    int32
 	InAir             bool
+
+	ActiveSkillId  int32
+	ActiveSkillHit int32
+
+	FramesInvinsible int32
 }
 
 type InputFrameDecoded struct {
@@ -52,27 +58,31 @@ type Barrier struct {
 
 type Bullet struct {
 	// for offender
-	BattleLocalId           int32
+	OriginatedRenderFrameId int32 // Copied from the first bullet for all subsequent bullets
-	StartupFrames           int32
+	OffenderJoinIndex       int32 // Copied to favor collision handling of the dispatched bullet
+	StartupFrames           int32 // from "OriginatedRenderFrameId"
+	CancellableStFrame      int32 // from "OriginatedRenderFrameId"
+	CancellableEdFrame      int32 // from "OriginatedRenderFrameId"
 	ActiveFrames            int32
-	RecoveryFrames          int32
-	RecoveryFramesOnBlock   int32
-	RecoveryFramesOnHit     int32
-	HitboxOffset            float64
-	OriginatedRenderFrameId int32
-	// for defender
-	HitStunFrames      int32
-	BlockStunFrames    int32
-	Pushback           float64
-	ReleaseTriggerType int32
-	Damage             int32
-	OffenderJoinIndex  int32
-	OffenderPlayerId   int32
 
-	SelfMoveforwardX float64
+	// for defender
-	SelfMoveforwardY float64
+	HitStunFrames   int32
-	HitboxSizeX      float64
+	BlockStunFrames int32
-	HitboxSizeY      float64
+	PushbackVelX    int32
+	PushbackVelY    int32
+	Damage          int32
+
+	SelfLockVelX int32
+	SelfLockVelY int32
+
+	HitboxOffsetX int32
+	HitboxOffsetY int32
+	HitboxSizeX   int32
+	HitboxSizeY   int32
+
+	BlowUp bool
+
+	CancelTransit map[int]int
 }
 
 type MeleeBullet struct {
@@ -90,6 +100,16 @@ type FireballBullet struct {
 	Bullet
 }
 
+type Skill struct {
+	BattleLocalId         int32
+	RecoveryFrames        int32
+	RecoveryFramesOnBlock int32
+	RecoveryFramesOnHit   int32
+	ReleaseTriggerType    int32 // 1: rising-edge, 2: falling-edge
+	BoundChState          int32
+	Hits                  []interface{} // Hits within a "Skill" are automatically triggered
+}
+
 type RoomDownsyncFrame struct {
 	Id                       int32
 	PlayersArr               []*PlayerDownsync

jsexport/main.go

@@ -42,50 +42,57 @@ func NewBarrierJs(boundary *Polygon2D) *js.Object {
 	})
 }
 
-func NewPlayerDownsyncJs(id, virtualGridX, virtualGridY, dirX, dirY, velX, velY, framesToRecover, speed, battleState, characterState, joinIndex, hp, maxHp int32, inAir bool, colliderRadius float64) *js.Object {
+func NewPlayerDownsyncJs(id, virtualGridX, virtualGridY, dirX, dirY, velX, velY, framesToRecover, framesInChState, activeSkillId, activeSkillHit, framesInvinsible, speed, battleState, characterState, joinIndex, hp, maxHp, colliderRadius int32, inAir bool) *js.Object {
 	return js.MakeWrapper(&PlayerDownsync{
-		Id:              id,
+		Id:               id,
-		VirtualGridX:    virtualGridX,
+		VirtualGridX:     virtualGridX,
-		VirtualGridY:    virtualGridY,
+		VirtualGridY:     virtualGridY,
-		DirX:            dirX,
+		DirX:             dirX,
-		DirY:            dirY,
+		DirY:             dirY,
-		VelX:            velX,
+		VelX:             velX,
-		VelY:            velY,
+		VelY:             velY,
-		FramesToRecover: framesToRecover,
+		FramesToRecover:  framesToRecover,
-		Speed:           speed,
+		FramesInChState:  framesInChState,
-		BattleState:     battleState,
+		ActiveSkillId:    activeSkillId,
-		JoinIndex:       joinIndex,
+		ActiveSkillHit:   activeSkillHit,
-		ColliderRadius:  colliderRadius,
+		FramesInvinsible: framesInvinsible,
-		Hp:              hp,
+		Speed:            speed,
-		MaxHp:           maxHp,
+		BattleState:      battleState,
-		CharacterState:  characterState,
+		CharacterState:   characterState,
-		InAir:           inAir,
+		JoinIndex:        joinIndex,
+		Hp:               hp,
+		MaxHp:            maxHp,
+		ColliderRadius:   colliderRadius,
+		InAir:            inAir,
 	})
 }
 
-func NewMeleeBulletJs(battleLocalId, startupFrames, activeFrames, recoveryFrames, recoveryFramesOnBlock, recoveryFramesOnHit, hitStunFrames, blockStunFrames, releaseTriggerType, damage, offenderJoinIndex, offenderPlayerId int32, pushback, hitboxOffset, selfMoveforwardX, selfMoveforwardY, hitboxSizeX, hitboxSizeY float64) *js.Object {
+func NewMeleeBulletJs(originatedRenderFrameId, offenderJoinIndex, startupFrames, cancellableStFrame, cancellableEdFrame, activeFrames, hitStunFrames, blockStunFrames, pushbackVelX, pushbackVelY, damage, selfLockVelX, selfLockVelY, hitboxOffsetX, hitboxOffsetY, hitboxSizeX, hitboxSizeY int32, blowUp bool) *js.Object {
 	return js.MakeWrapper(&MeleeBullet{
 		Bullet: Bullet{
-			BattleLocalId:         battleLocalId,
+			OriginatedRenderFrameId: originatedRenderFrameId,
-			StartupFrames:         startupFrames,
+			OffenderJoinIndex:       offenderJoinIndex,
-			ActiveFrames:          activeFrames,
-			RecoveryFrames:        recoveryFrames,
-			RecoveryFramesOnBlock: recoveryFramesOnBlock,
-			RecoveryFramesOnHit:   recoveryFramesOnHit,
-			HitboxOffset:          hitboxOffset,
-			HitStunFrames:         hitStunFrames,
-			BlockStunFrames:       blockStunFrames,
-			Pushback:              pushback,
-			ReleaseTriggerType:    releaseTriggerType,
-			Damage:                damage,
 
-			SelfMoveforwardX: selfMoveforwardX,
+			StartupFrames:      startupFrames,
-			SelfMoveforwardY: selfMoveforwardY,
+			CancellableStFrame: cancellableStFrame,
-			HitboxSizeX:      hitboxSizeX,
+			CancellableEdFrame: cancellableEdFrame,
-			HitboxSizeY:      hitboxSizeY,
+			ActiveFrames:       activeFrames,
 
-			OffenderJoinIndex: offenderJoinIndex,
+			HitStunFrames:   hitStunFrames,
-			OffenderPlayerId:  offenderPlayerId,
+			BlockStunFrames: blockStunFrames,
+			PushbackVelX:    pushbackVelX,
+			PushbackVelY:    pushbackVelY,
+			Damage:          damage,
+
+			SelfLockVelX: selfLockVelX,
+			SelfLockVelY: selfLockVelY,
+
+			HitboxOffsetX: hitboxOffsetX,
+			HitboxOffsetY: hitboxOffsetY,
+			HitboxSizeX:   hitboxSizeX,
+			HitboxSizeY:   hitboxSizeY,
+
+			BlowUp: blowUp,
 		},
 	})
 }
@@ -109,18 +116,19 @@ func GetCollisionSpaceObjsJs(space *resolv.Space) []*js.Object {
 	return ret
 }
 
-func GenerateRectColliderJs(wx, wy, w, h, topPadding, bottomPadding, leftPadding, rightPadding, spaceOffsetX, spaceOffsetY float64, data interface{}, tag string) *js.Object {
+func GenerateRectColliderJs(wx, wy, w, h, spaceOffsetX, spaceOffsetY float64, data interface{}, tag string) *js.Object {
 	/*
 			   [WARNING] It's important to note that we don't need "js.MakeFullWrapper" for a call sequence as follows.
 			   ```
 			       var space = gopkgs.NewCollisionSpaceJs(2048, 2048, 8, 8);
-			       var a = gopkgs.GenerateRectColliderJs(189, 497, 48, 48, snapIntoPlatformOverlap, snapIntoPlatformOverlap, snapIntoPlatformOverlap, snapIntoPlatformOverlap, spaceOffsetX, spaceOffsetY, "Player");
+			       var a = gopkgs.GenerateRectColliderJs(189, 497, 48, 48, spaceOffsetX, spaceOffsetY, "Player");
 			       space.Add(a);
 			   ```
 			   The "space" variable doesn't need access to the field of "a" in JavaScript level to run "space.Add(...)" method, which is good.
 
 		       However, the full wrapper access here is used for updating "collider.X/collider.Y" at JavaScript runtime.
 	*/
+	topPadding, bottomPadding, leftPadding, rightPadding := SNAP_INTO_PLATFORM_OVERLAP, SNAP_INTO_PLATFORM_OVERLAP, SNAP_INTO_PLATFORM_OVERLAP, SNAP_INTO_PLATFORM_OVERLAP
 	return js.MakeFullWrapper(GenerateRectCollider(wx, wy, w, h, topPadding, bottomPadding, leftPadding, rightPadding, spaceOffsetX, spaceOffsetY, data, tag))
 
 }
@@ -129,27 +137,43 @@ func GenerateConvexPolygonColliderJs(unalignedSrc *Polygon2D, spaceOffsetX, spac
 	return js.MakeFullWrapper(GenerateConvexPolygonCollider(unalignedSrc, spaceOffsetX, spaceOffsetY, data, tag))
 }
 
-func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs(inputsBuffer *RingBuffer, currRenderFrame *RoomDownsyncFrame, collisionSys *resolv.Space, collisionSysMap map[int32]*resolv.Object, gravityX, gravityY, jumpingInitVelY, inputDelayFrames int32, inputScaleFrames uint32, collisionSpaceOffsetX, collisionSpaceOffsetY, snapIntoPlatformOverlap, snapIntoPlatformThreshold, worldToVirtualGridRatio, virtualGridToWorldRatio float64, playerOpPatternToSkillId map[int]int) *js.Object {
+func GetCharacterConfigsOrderedByJoinIndex(speciesIdList []int) []*js.Object {
+	ret := make([]*js.Object, len(speciesIdList), len(speciesIdList))
+	for i, speciesId := range speciesIdList {
+		ret[i] = js.MakeFullWrapper(Characters[speciesId])
+	}
+	return ret
+}
+
+func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs(inputsBuffer *RingBuffer, currRenderFrame *RoomDownsyncFrame, collisionSys *resolv.Space, collisionSysMap map[int32]*resolv.Object, collisionSpaceOffsetX, collisionSpaceOffsetY float64, chConfigsOrderedByJoinIndex []*CharacterConfig) *js.Object {
 	// We need access to all fields of RoomDownsyncFrame for displaying in frontend
-	return js.MakeFullWrapper(ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer, currRenderFrame, collisionSys, collisionSysMap, gravityX, gravityY, jumpingInitVelY, inputDelayFrames, inputScaleFrames, collisionSpaceOffsetX, collisionSpaceOffsetY, snapIntoPlatformOverlap, snapIntoPlatformThreshold, worldToVirtualGridRatio, virtualGridToWorldRatio, playerOpPatternToSkillId))
+	return js.MakeFullWrapper(ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer, currRenderFrame, collisionSys, collisionSysMap, collisionSpaceOffsetX, collisionSpaceOffsetY, chConfigsOrderedByJoinIndex))
 }
 
 func main() {
 	js.Global.Set("gopkgs", map[string]interface{}{
-		"NewVec2DJs":                      NewVec2DJs,
+		"NewVec2DJs":                                           NewVec2DJs,
-		"NewPolygon2DJs":                  NewPolygon2DJs,
+		"NewPolygon2DJs":                                       NewPolygon2DJs,
-		"NewBarrierJs":                    NewBarrierJs,
+		"NewBarrierJs":                                         NewBarrierJs,
-		"NewPlayerDownsyncJs":             NewPlayerDownsyncJs,
+		"NewPlayerDownsyncJs":                                  NewPlayerDownsyncJs,
-		"NewMeleeBulletJs":                NewMeleeBulletJs,
+		"NewMeleeBulletJs":                                     NewMeleeBulletJs,
-		"NewRoomDownsyncFrameJs":          NewRoomDownsyncFrameJs,
+		"NewRoomDownsyncFrameJs":                               NewRoomDownsyncFrameJs,
-		"NewCollisionSpaceJs":             NewCollisionSpaceJs,
+		"NewCollisionSpaceJs":                                  NewCollisionSpaceJs,
-		"NewInputFrameDownsync":           NewInputFrameDownsync,
+		"NewInputFrameDownsync":                                NewInputFrameDownsync,
-		"NewRingBufferJs":                 NewRingBufferJs,
+		"NewRingBufferJs":                                      NewRingBufferJs,
-		"GenerateRectColliderJs":          GenerateRectColliderJs,
+		"GenerateRectColliderJs":                               GenerateRectColliderJs,
-		"GenerateConvexPolygonColliderJs": GenerateConvexPolygonColliderJs,
+		"GenerateConvexPolygonColliderJs":                      GenerateConvexPolygonColliderJs,
-		"GetCollisionSpaceObjsJs":         GetCollisionSpaceObjsJs,
+		"GetCollisionSpaceObjsJs":                              GetCollisionSpaceObjsJs,
-		"ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs": ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs,
 		"WorldToPolygonColliderBLPos":                          WorldToPolygonColliderBLPos, // No need to wrap primitive return types
 		"PolygonColliderBLToWorldPos":                          PolygonColliderBLToWorldPos,
+		"WorldToVirtualGridPos":                                WorldToVirtualGridPos,
+		"VirtualGridToWorldPos":                                VirtualGridToWorldPos,
+		"GetCharacterConfigsOrderedByJoinIndex":                GetCharacterConfigsOrderedByJoinIndex,
+		"ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs": ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs,
+		"ConvertToDelayedInputFrameId":                         ConvertToDelayedInputFrameId,
+		"ConvertToNoDelayInputFrameId":                         ConvertToNoDelayInputFrameId,
+		"ConvertToFirstUsedRenderFrameId":                      ConvertToFirstUsedRenderFrameId,
+		"ConvertToLastUsedRenderFrameId":                       ConvertToLastUsedRenderFrameId,
+		"ShouldGenerateInputFrameUpsync":                       ShouldGenerateInputFrameUpsync,
 	})
 }

resolv_tailored/object.go

@@ -285,27 +285,27 @@ func (obj *Object) Check(dx, dy float64, tags ...string) *Collision {
 	}
 
 	/*
-	    // In my use case, order of objects within a collision instance is not needed, and this also favors both runtime performance & size reduction of `jsexport.js`.
+		    // In my use case, order of objects within a collision instance is not needed, and this also favors both runtime performance & size reduction of `jsexport.js`.
 
-		ox, oy := cc.checkingObject.Center()
+			ox, oy := cc.checkingObject.Center()
-		oc := Vector{ox, oy}
+			oc := Vector{ox, oy}
-		sort.Slice(cc.Objects, func(i, j int) bool {
+			sort.Slice(cc.Objects, func(i, j int) bool {
 
-			ix, iy := cc.Objects[i].Center()
+				ix, iy := cc.Objects[i].Center()
-			jx, jy := cc.Objects[j].Center()
+				jx, jy := cc.Objects[j].Center()
-			return Vector{ix, iy}.Sub(oc).Magnitude2() < Vector{jx, jy}.Sub(oc).Magnitude2()
+				return Vector{ix, iy}.Sub(oc).Magnitude2() < Vector{jx, jy}.Sub(oc).Magnitude2()
 
-		})
+			})
 
-		cw := cc.checkingObject.Space.CellWidth
+			cw := cc.checkingObject.Space.CellWidth
-		ch := cc.checkingObject.Space.CellHeight
+			ch := cc.checkingObject.Space.CellHeight
 
-		sort.Slice(cc.Cells, func(i, j int) bool {
+			sort.Slice(cc.Cells, func(i, j int) bool {
 
-			return Vector{float64(cc.Cells[i].X*cw + (cw / 2)), float64(cc.Cells[i].Y*ch + (ch / 2))}.Sub(oc).Magnitude2() <
+				return Vector{float64(cc.Cells[i].X*cw + (cw / 2)), float64(cc.Cells[i].Y*ch + (ch / 2))}.Sub(oc).Magnitude2() <
-				Vector{float64(cc.Cells[j].X*cw + (cw / 2)), float64(cc.Cells[j].Y*ch + (ch / 2))}.Sub(oc).Magnitude2()
+					Vector{float64(cc.Cells[j].X*cw + (cw / 2)), float64(cc.Cells[j].Y*ch + (ch / 2))}.Sub(oc).Magnitude2()
 
-		})
+			})
 	*/
 
 	return cc