Initial recovery of MeleeBullet in online battle.

battle_srv/models/pb_type_convert.go

@@ -16,6 +16,7 @@ func toPbRoomDownsyncFrame(rdf *battle.RoomDownsyncFrame) *pb.RoomDownsyncFrame
 		CountdownNanos:           rdf.CountdownNanos,
 		BackendUnconfirmedMask:   rdf.BackendUnconfirmedMask,
 		ShouldForceResync:        rdf.ShouldForceResync,
+		PlayerOpPatternToSkillId: make(map[int32]int32),
 	}
 
 	for i, last := range rdf.PlayersArr {
@@ -65,6 +66,10 @@ func toPbRoomDownsyncFrame(rdf *battle.RoomDownsyncFrame) *pb.RoomDownsyncFrame
 		ret.MeleeBullets[i] = pbBullet
 	}
 
+	for i, last := range rdf.PlayerOpPatternToSkillId {
+		ret.PlayerOpPatternToSkillId[int32(i)] = int32(last)
+	}
+
 	return ret
 }
 

battle_srv/models/room.go

@@ -92,6 +92,7 @@ type Room struct {
 	Capacity                 int
 	collisionSpaceOffsetX    float64
 	collisionSpaceOffsetY    float64
+	playerOpPatternToSkillId map[int]int
 	Players                  map[int32]*Player
 	PlayersArr               []*Player // ordered by joinIndex
 	Space                    *resolv.Space
@@ -125,9 +126,9 @@ type Room struct {
 	CurDynamicsRenderFrameId               int32 // [WARNING] The dynamics of backend is ALWAYS MOVING FORWARD BY ALL-CONFIRMED INPUTFRAMES (either by upsync or forced), i.e. no rollback; Moreover when "true == BackendDynamicsEnabled" we always have "Room.CurDynamicsRenderFrameId >= Room.RenderFrameId" because each "all-confirmed inputFrame" is applied on "all applicable renderFrames" in one-go hence often sees a future "renderFrame" earlier
 	EffectivePlayerCount                   int32
 	DismissalWaitGroup                     sync.WaitGroup
-	InputsBuffer                           *RingBuffer // Indices are STRICTLY consecutive
+	InputsBuffer                           *battle.RingBuffer // Indices are STRICTLY consecutive
 	InputsBufferLock                       sync.Mutex         // Guards [InputsBuffer, LatestPlayerUpsyncedInputFrameId, LastAllConfirmedInputFrameId, LastAllConfirmedInputList, LastAllConfirmedInputFrameIdWithChange]
-	RenderFrameBuffer                      *RingBuffer // Indices are STRICTLY consecutive
+	RenderFrameBuffer                      *battle.RingBuffer // Indices are STRICTLY consecutive
 	LatestPlayerUpsyncedInputFrameId       int32
 	LastAllConfirmedInputFrameId           int32
 	LastAllConfirmedInputFrameIdWithChange int32
@@ -396,11 +397,18 @@ 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))
+		pR.playerOpPatternToSkillId[opJoinIndexPrefix+0] = 1 // Hardcoded for now
+	}
+
 	// Initialize the "collisionSys" as well as "RenderFrameBuffer"
 	pR.CurDynamicsRenderFrameId = 0
 	kickoffFrameJs := &battle.RoomDownsyncFrame{
 		Id:                       pR.RenderFrameId,
 		PlayersArr:               toJsPlayers(pR.Players),
+		PlayerOpPatternToSkillId: pR.playerOpPatternToSkillId,
 		CountdownNanos:           pR.BattleDurationNanos,
 	}
 	pR.RenderFrameBuffer.Put(kickoffFrameJs)
@@ -597,7 +605,7 @@ func (pR *Room) OnBattleCmdReceived(pReq *pb.WsReq) {
 	}
 }
 
-func (pR *Room) onInputFrameDownsyncAllConfirmed(inputFrameDownsync *pb.InputFrameDownsync, playerId int32) {
+func (pR *Room) onInputFrameDownsyncAllConfirmed(inputFrameDownsync *battle.InputFrameDownsync, playerId int32) {
 	// [WARNING] This function MUST BE called while "pR.InputsBufferLock" is locked!
 	inputFrameId := inputFrameDownsync.InputFrameId
 	if -1 == pR.LastAllConfirmedInputFrameIdWithChange || false == pR.equalInputLists(inputFrameDownsync.InputList, pR.LastAllConfirmedInputList) {
@@ -741,6 +749,7 @@ func (pR *Room) OnDismissed() {
 	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.CollisionSysMap = make(map[int32]*resolv.Object)
@@ -756,8 +765,8 @@ func (pR *Room) OnDismissed() {
 	pR.PlayerSignalToCloseDict = make(map[int32]SignalToCloseConnCbType)
 	pR.JoinIndexBooleanArr = make([]bool, pR.Capacity)
 	pR.RenderCacheSize = 1024
-	pR.RenderFrameBuffer = NewRingBuffer(pR.RenderCacheSize)
+	pR.RenderFrameBuffer = battle.NewRingBuffer(pR.RenderCacheSize)
-	pR.InputsBuffer = NewRingBuffer((pR.RenderCacheSize >> 1) + 1)
+	pR.InputsBuffer = battle.NewRingBuffer((pR.RenderCacheSize >> 1) + 1)
 	pR.rdfIdToActuallyUsedInput = make(map[int32]*pb.InputFrameDownsync)
 
 	pR.LatestPlayerUpsyncedInputFrameId = -1
@@ -782,30 +791,6 @@ func (pR *Room) OnDismissed() {
 
 	pR.BackendDynamicsEnabled = true              // [WARNING] When "false", recovery upon reconnection wouldn't work!
 	pR.ForceAllResyncOnAnyActiveSlowTicker = true // See tradeoff discussion in "downsyncToAllPlayers"
-	punchSkillId := int32(1)
-	pR.MeleeSkillConfig = make(map[int32]*pb.MeleeBullet, 0)
-	pR.MeleeSkillConfig[punchSkillId] = &pb.MeleeBullet{
-		// for offender
-		StartupFrames:         int32(10),
-		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,
-	}
-
 	pR.SnapIntoPlatformOverlap = float64(0.1)
 	pR.SnapIntoPlatformThreshold = float64(0.5)
 	pR.JumpingInitVelY = int32(float64(7) * pR.WorldToVirtualGridRatio)
@@ -1067,7 +1052,7 @@ func (pR *Room) shouldPrefabInputFrameDownsync(prevRenderFrameId int32, renderFr
 	return false, -1
 }
 
-func (pR *Room) getOrPrefabInputFrameDownsync(inputFrameId int32) *pb.InputFrameDownsync {
+func (pR *Room) getOrPrefabInputFrameDownsync(inputFrameId int32) *battle.InputFrameDownsync {
 	/*
 	   [WARNING] This function MUST BE called while "pR.InputsBufferLock" is locked.
 
@@ -1076,12 +1061,12 @@ func (pR *Room) getOrPrefabInputFrameDownsync(inputFrameId int32) *pb.InputFrame
 	   - OR there's no change w.r.t. to its prev cmd.
 	*/
 
-	var currInputFrameDownsync *pb.InputFrameDownsync = nil
+	var currInputFrameDownsync *battle.InputFrameDownsync = nil
 	tmp1 := pR.InputsBuffer.GetByFrameId(inputFrameId) // Would be nil if "pR.InputsBuffer.EdFrameId <= inputFrameId", else if "pR.InputsBuffer.EdFrameId > inputFrameId" is already met, then by now we can just return "tmp1.(*InputFrameDownsync)"
 	if nil == tmp1 {
 		for pR.InputsBuffer.EdFrameId <= inputFrameId {
 			j := pR.InputsBuffer.EdFrameId
-			currInputFrameDownsync = &pb.InputFrameDownsync{
+			currInputFrameDownsync = &battle.InputFrameDownsync{
 				InputFrameId:  j,
 				InputList:     make([]uint64, pR.Capacity),
 				ConfirmedList: uint64(0),
@@ -1093,7 +1078,7 @@ func (pR *Room) getOrPrefabInputFrameDownsync(inputFrameId int32) *pb.InputFrame
 			}
 			tmp2 := pR.InputsBuffer.GetByFrameId(j2)
 			if nil != tmp2 {
-				prevInputFrameDownsync := tmp2.(*pb.InputFrameDownsync)
+				prevInputFrameDownsync := tmp2.(*battle.InputFrameDownsync)
 				for i, _ := range currInputFrameDownsync.InputList {
 					currInputFrameDownsync.InputList[i] = (prevInputFrameDownsync.InputList[i] & uint64(15)) // Don't predict attack input!
 				}
@@ -1102,7 +1087,7 @@ func (pR *Room) getOrPrefabInputFrameDownsync(inputFrameId int32) *pb.InputFrame
 			pR.InputsBuffer.Put(currInputFrameDownsync)
 		}
 	} else {
-		currInputFrameDownsync = tmp1.(*pb.InputFrameDownsync)
+		currInputFrameDownsync = tmp1.(*battle.InputFrameDownsync)
 	}
 
 	return currInputFrameDownsync
@@ -1148,7 +1133,7 @@ func (pR *Room) markConfirmationIfApplicable(inputFrameUpsyncBatch []*pb.InputFr
 			panic(fmt.Sprintf("inputFrameId=%v doesn't exist for roomId=%v! InputsBuffer=%v", inputFrameId, pR.Id, pR.InputsBufferString(false)))
 		}
 		shouldBreakConfirmation := false
-		inputFrameDownsync := tmp.(*pb.InputFrameDownsync)
+		inputFrameDownsync := tmp.(*battle.InputFrameDownsync)
 
 		if allConfirmedMask != inputFrameDownsync.ConfirmedList {
 			for _, player := range pR.PlayersArr {
@@ -1207,7 +1192,7 @@ func (pR *Room) forceConfirmationIfApplicable(prevRenderFrameId int32) uint64 {
 			if nil == tmp {
 				panic(fmt.Sprintf("inputFrameId=%v doesn't exist for roomId=%v! InputsBuffer=%v", j, pR.Id, pR.InputsBufferString(false)))
 			}
-			inputFrameDownsync := tmp.(*pb.InputFrameDownsync)
+			inputFrameDownsync := tmp.(*battle.InputFrameDownsync)
 			unconfirmedMask |= (allConfirmedMask ^ inputFrameDownsync.ConfirmedList)
 			inputFrameDownsync.ConfirmedList = allConfirmedMask
 			pR.onInputFrameDownsyncAllConfirmed(inputFrameDownsync, -1)
@@ -1265,8 +1250,6 @@ func (pR *Room) applyInputFrameDownsyncDynamics(fromRenderFrameId int32, toRende
 		}
 		currRenderFrame := currRenderFrameTmp.(*battle.RoomDownsyncFrame)
 		delayedInputFrameId := pR.ConvertToInputFrameId(collisionSysRenderFrameId, pR.InputDelayFrames)
-		var delayedInputList *[]uint64 = nil
-		var delayedInputListForPrevRenderFrame *[]uint64 = nil
 		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)))
@@ -1275,21 +1258,11 @@ func (pR *Room) applyInputFrameDownsyncDynamics(fromRenderFrameId int32, toRende
 			if nil == tmp {
 				panic(fmt.Sprintf("delayedInputFrameId=%v doesn't exist 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)))
 			}
-			delayedInputFrame := tmp.(*pb.InputFrameDownsync)
-			delayedInputList = &delayedInputFrame.InputList
-			delayedInputFrameIdForPrevRenderFrame := pR.ConvertToInputFrameId(collisionSysRenderFrameId-1, pR.InputDelayFrames)
-			if 0 <= delayedInputFrameIdForPrevRenderFrame {
-				tmp = pR.InputsBuffer.GetByFrameId(delayedInputFrameIdForPrevRenderFrame)
-				if nil == tmp {
-					panic(fmt.Sprintf("delayedInputFrameIdForPrevRenderFrame=%v doesn't exist for roomId=%v, this is abnormal because it's to be used for applying dynamics to [fromRenderFrameId:%v, toRenderFrameId:%v) @ collisionSysRenderFrameId-1=%v! InputsBuffer=%v", delayedInputFrameIdForPrevRenderFrame, pR.Id, fromRenderFrameId, toRenderFrameId, collisionSysRenderFrameId-1, pR.InputsBufferString(false)))
-				}
-				delayedInputFrameForPrevRenderFrame := tmp.(*pb.InputFrameDownsync)
-				delayedInputListForPrevRenderFrame = &delayedInputFrameForPrevRenderFrame.InputList
-			}
 
 			if pR.FrameDataLoggingEnabled {
-				actuallyUsedInputClone := make([]uint64, len(*delayedInputList), len(*delayedInputList))
+				delayedInputFrame := tmp.(*battle.InputFrameDownsync)
-				for i, v := range *delayedInputList {
+				actuallyUsedInputClone := make([]uint64, len(delayedInputFrame.InputList), len(delayedInputFrame.InputList))
+				for i, v := range delayedInputFrame.InputList {
 					actuallyUsedInputClone[i] = v
 				}
 				pR.rdfIdToActuallyUsedInput[currRenderFrame.Id] = &pb.InputFrameDownsync{
@@ -1300,7 +1273,7 @@ func (pR *Room) applyInputFrameDownsyncDynamics(fromRenderFrameId int32, toRende
 			}
 		}
 
-		nextRenderFrame := battle.ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(*delayedInputList, *delayedInputListForPrevRenderFrame, 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)
+		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)
 		pR.RenderFrameBuffer.Put(nextRenderFrame)
 		pR.CurDynamicsRenderFrameId++
 	}
@@ -1497,6 +1470,7 @@ 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
 		}
@@ -1534,7 +1508,7 @@ func (pR *Room) cloneInputsBuffer(stFrameId, edFrameId int32) []*pb.InputFrameDo
 			}
 		}
 		prevFrameFound = true
-		foo := tmp.(*pb.InputFrameDownsync)
+		foo := tmp.(*battle.InputFrameDownsync)
 
 		bar := &pb.InputFrameDownsync{
 			InputFrameId:  foo.InputFrameId,

battle_srv/protos/room_downsync_frame.pb.go

@@ -954,13 +954,12 @@ type BattleColliderInfo struct {
 	VirtualGridToWorldRatio         float64 `protobuf:"fixed64,21,opt,name=virtualGridToWorldRatio,proto3" json:"virtualGridToWorldRatio,omitempty"`
 	SpAtkLookupFrames               int32   `protobuf:"varint,22,opt,name=spAtkLookupFrames,proto3" json:"spAtkLookupFrames,omitempty"`
 	RenderCacheSize                 int32   `protobuf:"varint,23,opt,name=renderCacheSize,proto3" json:"renderCacheSize,omitempty"`
-	MeleeSkillConfig                map[int32]*MeleeBullet `protobuf:"bytes,24,rep,name=meleeSkillConfig,proto3" json:"meleeSkillConfig,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"` // skillId -> skill
+	SnapIntoPlatformOverlap         float64 `protobuf:"fixed64,24,opt,name=snapIntoPlatformOverlap,proto3" json:"snapIntoPlatformOverlap,omitempty"`
-	SnapIntoPlatformOverlap         float64                `protobuf:"fixed64,25,opt,name=snapIntoPlatformOverlap,proto3" json:"snapIntoPlatformOverlap,omitempty"`
+	SnapIntoPlatformThreshold       float64 `protobuf:"fixed64,25,opt,name=snapIntoPlatformThreshold,proto3" json:"snapIntoPlatformThreshold,omitempty"`
-	SnapIntoPlatformThreshold       float64                `protobuf:"fixed64,26,opt,name=snapIntoPlatformThreshold,proto3" json:"snapIntoPlatformThreshold,omitempty"`
+	JumpingInitVelY                 int32   `protobuf:"varint,26,opt,name=jumpingInitVelY,proto3" json:"jumpingInitVelY,omitempty"`
-	JumpingInitVelY                 int32                  `protobuf:"varint,27,opt,name=jumpingInitVelY,proto3" json:"jumpingInitVelY,omitempty"`
+	GravityX                        int32   `protobuf:"varint,27,opt,name=gravityX,proto3" json:"gravityX,omitempty"`
-	GravityX                        int32                  `protobuf:"varint,28,opt,name=gravityX,proto3" json:"gravityX,omitempty"`
+	GravityY                        int32   `protobuf:"varint,28,opt,name=gravityY,proto3" json:"gravityY,omitempty"`
-	GravityY                        int32                  `protobuf:"varint,29,opt,name=gravityY,proto3" json:"gravityY,omitempty"`
+	CollisionMinStep                int32   `protobuf:"varint,29,opt,name=collisionMinStep,proto3" json:"collisionMinStep,omitempty"`
-	CollisionMinStep                int32                  `protobuf:"varint,30,opt,name=collisionMinStep,proto3" json:"collisionMinStep,omitempty"`
 	FrameDataLoggingEnabled         bool    `protobuf:"varint,999,opt,name=frameDataLoggingEnabled,proto3" json:"frameDataLoggingEnabled,omitempty"`
 }
 
@@ -1157,13 +1156,6 @@ func (x *BattleColliderInfo) GetRenderCacheSize() int32 {
 	return 0
 }
 
-func (x *BattleColliderInfo) GetMeleeSkillConfig() map[int32]*MeleeBullet {
-	if x != nil {
-		return x.MeleeSkillConfig
-	}
-	return nil
-}
-
 func (x *BattleColliderInfo) GetSnapIntoPlatformOverlap() float64 {
 	if x != nil {
 		return x.SnapIntoPlatformOverlap
@@ -1224,6 +1216,7 @@ type RoomDownsyncFrame struct {
 	MeleeBullets             []*MeleeBullet    `protobuf:"bytes,4,rep,name=meleeBullets,proto3" json:"meleeBullets,omitempty"`                      // 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
 	BackendUnconfirmedMask   uint64            `protobuf:"varint,5,opt,name=backendUnconfirmedMask,proto3" json:"backendUnconfirmedMask,omitempty"` // Indexed by "joinIndex", same compression concern as stated in InputFrameDownsync
 	ShouldForceResync        bool              `protobuf:"varint,6,opt,name=shouldForceResync,proto3" json:"shouldForceResync,omitempty"`
+	PlayerOpPatternToSkillId map[int32]int32   `protobuf:"bytes,7,rep,name=playerOpPatternToSkillId,proto3" json:"playerOpPatternToSkillId,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"`
 }
 
 func (x *RoomDownsyncFrame) Reset() {
@@ -1300,6 +1293,13 @@ func (x *RoomDownsyncFrame) GetShouldForceResync() bool {
 	return false
 }
 
+func (x *RoomDownsyncFrame) GetPlayerOpPatternToSkillId() map[int32]int32 {
+	if x != nil {
+		return x.PlayerOpPatternToSkillId
+	}
+	return nil
+}
+
 var File_room_downsync_frame_proto protoreflect.FileDescriptor
 
 var file_room_downsync_frame_proto_rawDesc = []byte{
@@ -1470,7 +1470,7 @@ var file_room_downsync_frame_proto_rawDesc = []byte{
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 }
 
 var (
@@ -1619,7 +1619,7 @@ var file_room_downsync_frame_proto_goTypes = []interface{}{
 	(*MeleeBullet)(nil),          // 8: protos.MeleeBullet
 	(*BattleColliderInfo)(nil),   // 9: protos.BattleColliderInfo
 	(*RoomDownsyncFrame)(nil),    // 10: protos.RoomDownsyncFrame
-	nil,                          // 11: protos.BattleColliderInfo.MeleeSkillConfigEntry
+	nil,                          // 11: protos.RoomDownsyncFrame.PlayerOpPatternToSkillIdEntry
 }
 var file_room_downsync_frame_proto_depIdxs = []int32{
 	2,  // 0: protos.WsReq.inputFrameUpsyncBatch:type_name -> protos.InputFrameUpsync
@@ -1628,15 +1628,14 @@ var file_room_downsync_frame_proto_depIdxs = []int32{
 	3,  // 3: protos.WsResp.inputFrameDownsyncBatch:type_name -> protos.InputFrameDownsync
 	9,  // 4: protos.WsResp.bciFrame:type_name -> protos.BattleColliderInfo
 	3,  // 5: protos.InputsBufferSnapshot.toSendInputFrameDownsyncs:type_name -> protos.InputFrameDownsync
-	11, // 6: protos.BattleColliderInfo.meleeSkillConfig:type_name -> protos.BattleColliderInfo.MeleeSkillConfigEntry
+	0,  // 6: protos.RoomDownsyncFrame.playersArr:type_name -> protos.PlayerDownsync
-	0,  // 7: protos.RoomDownsyncFrame.playersArr:type_name -> protos.PlayerDownsync
+	8,  // 7: protos.RoomDownsyncFrame.meleeBullets:type_name -> protos.MeleeBullet
-	8,  // 8: protos.RoomDownsyncFrame.meleeBullets:type_name -> protos.MeleeBullet
+	11, // 8: protos.RoomDownsyncFrame.playerOpPatternToSkillId:type_name -> protos.RoomDownsyncFrame.PlayerOpPatternToSkillIdEntry
-	8,  // 9: protos.BattleColliderInfo.MeleeSkillConfigEntry.value:type_name -> protos.MeleeBullet
+	9,  // [9:9] is the sub-list for method output_type
-	10, // [10:10] is the sub-list for method output_type
+	9,  // [9:9] is the sub-list for method input_type
-	10, // [10:10] is the sub-list for method input_type
+	9,  // [9:9] is the sub-list for extension type_name
-	10, // [10:10] is the sub-list for extension type_name
+	9,  // [9:9] is the sub-list for extension extendee
-	10, // [10:10] is the sub-list for extension extendee
+	0,  // [0:9] is the sub-list for field type_name
-	0,  // [0:10] is the sub-list for field type_name
 }
 
 func init() { file_room_downsync_frame_proto_init() }

battle_srv/ws/serve.go

@@ -265,7 +265,6 @@ func Serve(c *gin.Context) {
 
 			SpAtkLookupFrames:         pRoom.SpAtkLookupFrames,
 			RenderCacheSize:           pRoom.RenderCacheSize,
-			MeleeSkillConfig:          pRoom.MeleeSkillConfig,
 			SnapIntoPlatformOverlap:   pRoom.SnapIntoPlatformOverlap,
 			SnapIntoPlatformThreshold: pRoom.SnapIntoPlatformThreshold,
 			JumpingInitVelY:           pRoom.JumpingInitVelY,

frontend/assets/plugin_scripts/jsexport.js

@@ -4724,7 +4724,7 @@ $packages["resolv"] = (function() {
 	return $pkg;
 })();
 $packages["jsexport/battle"] = (function() {
-	var $pkg = {}, $init, math, resolv, Vec2D, Polygon2D, PlayerDownsync, InputFrameDecoded, Barrier, Bullet, MeleeBullet, FireballBullet, RoomDownsyncFrame, InputFrameDownsync, RingBuffer, SatResult, sliceType, sliceType$1, sliceType$2, ptrType, sliceType$3, sliceType$4, ptrType$1, ptrType$2, ptrType$3, ptrType$4, ptrType$5, ptrType$6, sliceType$5, sliceType$6, sliceType$7, sliceType$8, ptrType$7, sliceType$9, ptrType$8, sliceType$10, sliceType$11, ptrType$9, sliceType$12, ptrType$10, ptrType$11, skillIdToBullet, NewRingBuffer, ConvertToInputFrameId, decodeInput, CalcPushbacks, isPolygonPairOverlapped, isPolygonPairSeparatedByDir, WorldToVirtualGridPos, VirtualGridToWorldPos, WorldToPolygonColliderBLPos, PolygonColliderBLToWorldPos, PolygonColliderBLToVirtualGridPos, VirtualGridToPolygonColliderBLPos, calcHardPushbacksNorms, deriveOpPattern, ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame, GenerateRectCollider, generateRectColliderInCollisionSpace, GenerateConvexPolygonCollider, AlignPolygon2DToBoundingBox;
+	var $pkg = {}, $init, math, resolv, Vec2D, Polygon2D, PlayerDownsync, InputFrameDecoded, Barrier, Bullet, MeleeBullet, FireballBullet, RoomDownsyncFrame, InputFrameDownsync, RingBuffer, SatResult, sliceType, sliceType$1, sliceType$2, ptrType, sliceType$3, sliceType$4, ptrType$1, ptrType$2, ptrType$3, ptrType$4, ptrType$5, ptrType$6, sliceType$5, sliceType$6, sliceType$7, sliceType$8, ptrType$7, sliceType$9, ptrType$8, sliceType$10, sliceType$11, ptrType$9, sliceType$12, ptrType$10, mapType, ptrType$11, skillIdToBullet, NewRingBuffer, ConvertToInputFrameId, decodeInput, CalcPushbacks, isPolygonPairOverlapped, isPolygonPairSeparatedByDir, WorldToVirtualGridPos, VirtualGridToWorldPos, WorldToPolygonColliderBLPos, PolygonColliderBLToWorldPos, PolygonColliderBLToVirtualGridPos, VirtualGridToPolygonColliderBLPos, calcHardPushbacksNorms, deriveOpPattern, ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame, GenerateRectCollider, generateRectColliderInCollisionSpace, GenerateConvexPolygonCollider, AlignPolygon2DToBoundingBox;
 	math = $packages["math"];
 	resolv = $packages["resolv"];
 	Vec2D = $pkg.Vec2D = $newType(0, $kindStruct, "battle.Vec2D", true, "jsexport/battle", true, function(X_, Y_) {
@@ -4887,7 +4887,7 @@ $packages["jsexport/battle"] = (function() {
 		this.Speed = Speed_;
 		this.Bullet = Bullet_;
 	});
-	RoomDownsyncFrame = $pkg.RoomDownsyncFrame = $newType(0, $kindStruct, "battle.RoomDownsyncFrame", true, "jsexport/battle", true, function(Id_, PlayersArr_, CountdownNanos_, MeleeBullets_, FireballBullets_, BackendUnconfirmedMask_, ShouldForceResync_) {
+	RoomDownsyncFrame = $pkg.RoomDownsyncFrame = $newType(0, $kindStruct, "battle.RoomDownsyncFrame", true, "jsexport/battle", true, function(Id_, PlayersArr_, CountdownNanos_, MeleeBullets_, FireballBullets_, BackendUnconfirmedMask_, ShouldForceResync_, PlayerOpPatternToSkillId_) {
 		this.$val = this;
 		if (arguments.length === 0) {
 			this.Id = 0;
@@ -4897,6 +4897,7 @@ $packages["jsexport/battle"] = (function() {
 			this.FireballBullets = sliceType$10.nil;
 			this.BackendUnconfirmedMask = new $Uint64(0, 0);
 			this.ShouldForceResync = false;
+			this.PlayerOpPatternToSkillId = false;
 			return;
 		}
 		this.Id = Id_;
@@ -4906,6 +4907,7 @@ $packages["jsexport/battle"] = (function() {
 		this.FireballBullets = FireballBullets_;
 		this.BackendUnconfirmedMask = BackendUnconfirmedMask_;
 		this.ShouldForceResync = ShouldForceResync_;
+		this.PlayerOpPatternToSkillId = PlayerOpPatternToSkillId_;
 	});
 	InputFrameDownsync = $pkg.InputFrameDownsync = $newType(0, $kindStruct, "battle.InputFrameDownsync", true, "jsexport/battle", true, function(InputFrameId_, InputList_, ConfirmedList_) {
 		this.$val = this;
@@ -4981,6 +4983,7 @@ $packages["jsexport/battle"] = (function() {
 	ptrType$9 = $ptrType(Vec2D);
 	sliceType$12 = $sliceType(ptrType$9);
 	ptrType$10 = $ptrType(Polygon2D);
+	mapType = $mapType($Int, $Int);
 	ptrType$11 = $ptrType(RingBuffer);
 	NewRingBuffer = function(n) {
 		var n;
@@ -5752,7 +5755,7 @@ $packages["jsexport/battle"] = (function() {
 			thatPlayerInNextFrame$3.VirtualGridY = _tuple$6[1];
 			_i$10++;
 		}
-		$s = -1; return new RoomDownsyncFrame.ptr(currRenderFrame.Id + 1 >> 0, nextRenderFramePlayers, new $Int64(0, 0), nextRenderFrameMeleeBullets, sliceType$10.nil, new $Uint64(0, 0), false);
+		$s = -1; return new RoomDownsyncFrame.ptr(currRenderFrame.Id + 1 >> 0, nextRenderFramePlayers, new $Int64(0, 0), nextRenderFrameMeleeBullets, sliceType$10.nil, new $Uint64(0, 0), false, false);
 		/* */ } return; } var $f = {$blk: ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame, $c: true, $r, _1, _entry, _entry$1, _entry$2, _entry$3, _entry$4, _i, _i$1, _i$10, _i$2, _i$3, _i$4, _i$5, _i$6, _i$7, _i$8, _i$9, _index, _index$1, _index$2, _index$3, _r, _r$1, _r$2, _r$3, _ref, _ref$1, _ref$10, _ref$11, _ref$12, _ref$2, _ref$3, _ref$4, _ref$5, _ref$6, _ref$7, _ref$8, _ref$9, _tmp, _tmp$1, _tmp$10, _tmp$11, _tmp$12, _tmp$13, _tmp$14, _tmp$15, _tmp$16, _tmp$2, _tmp$3, _tmp$4, _tmp$5, _tmp$6, _tmp$7, _tmp$8, _tmp$9, _tuple, _tuple$1, _tuple$2, _tuple$3, _tuple$4, _tuple$5, _tuple$6, atkedPlayerInCurFrame, atkedPlayerInNextFrame, bShape, bulletCollider, bulletColliders, bulletShape, bulletWx, bulletWy, collision, collision$1, collisionPlayerIndex, collisionPlayerIndex$1, collisionPlayerIndex$2, collisionSpaceOffsetX, collisionSpaceOffsetY, collisionSys, collisionSysMap, currPlayerDownsync, currPlayerDownsync$1, currPlayerDownsync$2, currPlayerDownsync$3, currPlayerDownsync$4, currRenderFrame, defenderShape, effDx, effDy, effPushbacks, existent, gravityX, gravityY, hardPushbackNorm, hardPushbackNorm$1, hardPushbackNorms, i, i$1, i$2, i$3, i$4, inputDelayFrames, inputScaleFrames, inputsBuffer, isAnotherPlayer, isBarrier, isBullet, joinIndex, joinIndex$1, joinIndex$2, joinIndex$3, joinIndex$4, jumpedOrNot, jumpingInitVelY, landedOnGravityPushback, meleeBullet, meleeBullet$1, newBulletCollider, newMeleeBullet, newVx, newVy, nextRenderFrameMeleeBullets, nextRenderFramePlayers, normAlignmentWithGravity, obj, obj$1, offender, offender$1, offenderWx, offenderWy, oldFramesToRecover, oldNextCharacterState, overlapResult, overlapped, overlapped$1, patternId, playerCollider, playerCollider$1, playerCollider$2, playerOpPatternToSkillId, playerShape, projectedMagnitude, projectedMagnitude$1, pushbackX, pushbackX$1, pushbackY, pushbackY$1, roomCapacity, skillConfig, skillId, snapIntoPlatformOverlap, snapIntoPlatformThreshold, t, t$1, thatPlayerInNextFrame, thatPlayerInNextFrame$1, thatPlayerInNextFrame$2, thatPlayerInNextFrame$3, virtualGridToWorldRatio, worldToVirtualGridRatio, x, x$1, x$10, x$11, x$12, x$13, x$14, x$15, x$2, x$3, x$4, x$5, x$6, x$7, x$8, x$9, xfac, xfac$1, $s};return $f;
 	};
 	$pkg.ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame = ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame;
@@ -5865,7 +5868,7 @@ $packages["jsexport/battle"] = (function() {
 	Bullet.init("", [{prop: "BattleLocalId", name: "BattleLocalId", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "StartupFrames", name: "StartupFrames", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "ActiveFrames", name: "ActiveFrames", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "RecoveryFrames", name: "RecoveryFrames", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "RecoveryFramesOnBlock", name: "RecoveryFramesOnBlock", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "RecoveryFramesOnHit", name: "RecoveryFramesOnHit", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "HitboxOffset", name: "HitboxOffset", embedded: false, exported: true, typ: $Float64, tag: ""}, {prop: "OriginatedRenderFrameId", name: "OriginatedRenderFrameId", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "HitStunFrames", name: "HitStunFrames", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "BlockStunFrames", name: "BlockStunFrames", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "Pushback", name: "Pushback", embedded: false, exported: true, typ: $Float64, tag: ""}, {prop: "ReleaseTriggerType", name: "ReleaseTriggerType", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "Damage", name: "Damage", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "OffenderJoinIndex", name: "OffenderJoinIndex", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "OffenderPlayerId", name: "OffenderPlayerId", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "SelfMoveforwardX", name: "SelfMoveforwardX", embedded: false, exported: true, typ: $Float64, tag: ""}, {prop: "SelfMoveforwardY", name: "SelfMoveforwardY", embedded: false, exported: true, typ: $Float64, tag: ""}, {prop: "HitboxSizeX", name: "HitboxSizeX", embedded: false, exported: true, typ: $Float64, tag: ""}, {prop: "HitboxSizeY", name: "HitboxSizeY", embedded: false, exported: true, typ: $Float64, tag: ""}]);
 	MeleeBullet.init("", [{prop: "Bullet", name: "Bullet", embedded: true, exported: true, typ: Bullet, tag: ""}]);
 	FireballBullet.init("", [{prop: "VirtualGridX", name: "VirtualGridX", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "VirtualGridY", name: "VirtualGridY", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "DirX", name: "DirX", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "DirY", name: "DirY", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "VelX", name: "VelX", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "VelY", name: "VelY", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "Speed", name: "Speed", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "Bullet", name: "Bullet", embedded: true, exported: true, typ: Bullet, tag: ""}]);
-	RoomDownsyncFrame.init("", [{prop: "Id", name: "Id", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "PlayersArr", name: "PlayersArr", embedded: false, exported: true, typ: sliceType$6, tag: ""}, {prop: "CountdownNanos", name: "CountdownNanos", embedded: false, exported: true, typ: $Int64, tag: ""}, {prop: "MeleeBullets", name: "MeleeBullets", embedded: false, exported: true, typ: sliceType$7, tag: ""}, {prop: "FireballBullets", name: "FireballBullets", embedded: false, exported: true, typ: sliceType$10, tag: ""}, {prop: "BackendUnconfirmedMask", name: "BackendUnconfirmedMask", embedded: false, exported: true, typ: $Uint64, tag: ""}, {prop: "ShouldForceResync", name: "ShouldForceResync", embedded: false, exported: true, typ: $Bool, tag: ""}]);
+	RoomDownsyncFrame.init("", [{prop: "Id", name: "Id", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "PlayersArr", name: "PlayersArr", embedded: false, exported: true, typ: sliceType$6, tag: ""}, {prop: "CountdownNanos", name: "CountdownNanos", embedded: false, exported: true, typ: $Int64, tag: ""}, {prop: "MeleeBullets", name: "MeleeBullets", embedded: false, exported: true, typ: sliceType$7, tag: ""}, {prop: "FireballBullets", name: "FireballBullets", embedded: false, exported: true, typ: sliceType$10, tag: ""}, {prop: "BackendUnconfirmedMask", name: "BackendUnconfirmedMask", embedded: false, exported: true, typ: $Uint64, tag: ""}, {prop: "ShouldForceResync", name: "ShouldForceResync", embedded: false, exported: true, typ: $Bool, tag: ""}, {prop: "PlayerOpPatternToSkillId", name: "PlayerOpPatternToSkillId", embedded: false, exported: true, typ: mapType, tag: ""}]);
 	InputFrameDownsync.init("", [{prop: "InputFrameId", name: "InputFrameId", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "InputList", name: "InputList", embedded: false, exported: true, typ: sliceType$5, tag: ""}, {prop: "ConfirmedList", name: "ConfirmedList", embedded: false, exported: true, typ: $Uint64, tag: ""}]);
 	RingBuffer.init("", [{prop: "Ed", name: "Ed", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "St", name: "St", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "EdFrameId", name: "EdFrameId", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "StFrameId", name: "StFrameId", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "N", name: "N", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "Cnt", name: "Cnt", embedded: false, exported: true, typ: $Int32, tag: ""}, {prop: "Eles", name: "Eles", embedded: false, exported: true, typ: sliceType$2, tag: ""}]);
 	SatResult.init("", [{prop: "Overlap", name: "Overlap", embedded: false, exported: true, typ: $Float64, tag: ""}, {prop: "OverlapX", name: "OverlapX", embedded: false, exported: true, typ: $Float64, tag: ""}, {prop: "OverlapY", name: "OverlapY", embedded: false, exported: true, typ: $Float64, tag: ""}, {prop: "AContainedInB", name: "AContainedInB", embedded: false, exported: true, typ: $Bool, tag: ""}, {prop: "BContainedInA", name: "BContainedInA", embedded: false, exported: true, typ: $Bool, tag: ""}, {prop: "Axis", name: "Axis", embedded: false, exported: true, typ: resolv.Vector, tag: ""}]);
@@ -5882,7 +5885,7 @@ $packages["jsexport/battle"] = (function() {
 	return $pkg;
 })();
 $packages["jsexport"] = (function() {
-	var $pkg = {}, $init, js, battle, resolv, sliceType, ptrType, sliceType$1, ptrType$1, ptrType$2, sliceType$2, ptrType$3, sliceType$3, ptrType$4, sliceType$4, ptrType$5, sliceType$5, funcType, funcType$1, funcType$2, funcType$3, funcType$4, funcType$5, funcType$6, funcType$7, funcType$8, funcType$9, ptrType$6, funcType$10, ptrType$7, ptrType$8, ptrType$9, mapType, mapType$1, funcType$11, funcType$12, mapType$2, NewInputFrameDownsync, NewRingBufferJs, NewCollisionSpaceJs, NewVec2DJs, NewPolygon2DJs, NewBarrierJs, NewPlayerDownsyncJs, NewRoomDownsyncFrameJs, GetCollisionSpaceObjsJs, GenerateRectColliderJs, GenerateConvexPolygonColliderJs, ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs, main;
+	var $pkg = {}, $init, js, battle, resolv, sliceType, ptrType, sliceType$1, ptrType$1, ptrType$2, sliceType$2, ptrType$3, sliceType$3, ptrType$4, sliceType$4, ptrType$5, sliceType$5, funcType, funcType$1, funcType$2, funcType$3, funcType$4, funcType$5, funcType$6, funcType$7, funcType$8, funcType$9, funcType$10, ptrType$6, funcType$11, ptrType$7, ptrType$8, ptrType$9, mapType, mapType$1, funcType$12, funcType$13, mapType$2, NewInputFrameDownsync, NewRingBufferJs, NewCollisionSpaceJs, NewVec2DJs, NewPolygon2DJs, NewBarrierJs, NewPlayerDownsyncJs, NewMeleeBulletJs, NewRoomDownsyncFrameJs, GetCollisionSpaceObjsJs, GenerateRectColliderJs, GenerateConvexPolygonColliderJs, ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs, main;
 	js = $packages["github.com/gopherjs/gopherjs/js"];
 	battle = $packages["jsexport/battle"];
 	resolv = $packages["resolv"];
@@ -5902,21 +5905,22 @@ $packages["jsexport"] = (function() {
 	funcType$1 = $funcType([ptrType, sliceType$1], [ptrType$5], false);
 	funcType$2 = $funcType([ptrType$1], [ptrType$5], false);
 	funcType$3 = $funcType([$Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Bool, $Float64], [ptrType$5], false);
-	funcType$4 = $funcType([$Int32, sliceType$2, sliceType$3], [ptrType$5], false);
+	funcType$4 = $funcType([$Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Int32, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64], [ptrType$5], false);
-	funcType$5 = $funcType([$Int, $Int, $Int, $Int], [ptrType$5], false);
+	funcType$5 = $funcType([$Int32, sliceType$2, sliceType$3], [ptrType$5], false);
-	funcType$6 = $funcType([$Int32, sliceType, $Uint64], [ptrType$5], false);
+	funcType$6 = $funcType([$Int, $Int, $Int, $Int], [ptrType$5], false);
-	funcType$7 = $funcType([$Int32], [ptrType$5], false);
+	funcType$7 = $funcType([$Int32, sliceType, $Uint64], [ptrType$5], false);
-	funcType$8 = $funcType([$Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $emptyInterface, $String], [ptrType$5], false);
+	funcType$8 = $funcType([$Int32], [ptrType$5], false);
-	funcType$9 = $funcType([ptrType$1, $Float64, $Float64, $emptyInterface, $String], [ptrType$5], false);
+	funcType$9 = $funcType([$Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $emptyInterface, $String], [ptrType$5], false);
+	funcType$10 = $funcType([ptrType$1, $Float64, $Float64, $emptyInterface, $String], [ptrType$5], false);
 	ptrType$6 = $ptrType(resolv.Space);
-	funcType$10 = $funcType([ptrType$6], [sliceType$5], false);
+	funcType$11 = $funcType([ptrType$6], [sliceType$5], false);
 	ptrType$7 = $ptrType(battle.RingBuffer);
 	ptrType$8 = $ptrType(battle.RoomDownsyncFrame);
 	ptrType$9 = $ptrType(resolv.Object);
 	mapType = $mapType($Int32, ptrType$9);
 	mapType$1 = $mapType($Int, $Int);
-	funcType$11 = $funcType([ptrType$7, ptrType$8, ptrType$6, mapType, $Int32, $Int32, $Int32, $Int32, $Uint32, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, mapType$1], [ptrType$5], false);
+	funcType$12 = $funcType([ptrType$7, ptrType$8, ptrType$6, mapType, $Int32, $Int32, $Int32, $Int32, $Uint32, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, mapType$1], [ptrType$5], false);
-	funcType$12 = $funcType([$Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64], [$Float64, $Float64], false);
+	funcType$13 = $funcType([$Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64, $Float64], [$Float64, $Float64], false);
 	mapType$2 = $mapType($String, $emptyInterface);
 	NewInputFrameDownsync = function(inputFrameId, inputList, confirmedList) {
 		var {$24r, _r, confirmedList, inputFrameId, inputList, $s, $r, $c} = $restore(this, {inputFrameId, inputList, confirmedList});
@@ -5969,10 +5973,15 @@ $packages["jsexport"] = (function() {
 		return js.MakeWrapper(new battle.PlayerDownsync.ptr(id, virtualGridX, virtualGridY, dirX, dirY, velX, velY, speed, battleState, joinIndex, colliderRadius, false, 0, 0, 0, hp, maxHp, characterState, inAir));
 	};
 	$pkg.NewPlayerDownsyncJs = NewPlayerDownsyncJs;
+	NewMeleeBulletJs = function(battleLocalId, startupFrames, activeFrames, recoveryFrames, recoveryFramesOnBlock, recoveryFramesOnHit, hitStunFrames, blockStunFrames, releaseTriggerType, damage, offenderJoinIndex, offenderPlayerId, pushback, hitboxOffset, selfMoveforwardX, selfMoveforwardY, hitboxSizeX, hitboxSizeY) {
+		var activeFrames, battleLocalId, blockStunFrames, damage, hitStunFrames, hitboxOffset, hitboxSizeX, hitboxSizeY, offenderJoinIndex, offenderPlayerId, pushback, recoveryFrames, recoveryFramesOnBlock, recoveryFramesOnHit, releaseTriggerType, selfMoveforwardX, selfMoveforwardY, startupFrames;
+		return js.MakeWrapper(new battle.MeleeBullet.ptr(new battle.Bullet.ptr(battleLocalId, startupFrames, activeFrames, recoveryFrames, recoveryFramesOnBlock, recoveryFramesOnHit, hitboxOffset, 0, hitStunFrames, blockStunFrames, pushback, releaseTriggerType, damage, offenderJoinIndex, offenderPlayerId, selfMoveforwardX, selfMoveforwardY, hitboxSizeX, hitboxSizeY)));
+	};
+	$pkg.NewMeleeBulletJs = NewMeleeBulletJs;
 	NewRoomDownsyncFrameJs = function(id, playersArr, meleeBullets) {
 		var {$24r, _r, id, meleeBullets, playersArr, $s, $r, $c} = $restore(this, {id, playersArr, meleeBullets});
 		/* */ $s = $s || 0; s: while (true) { switch ($s) { case 0:
-		_r = js.MakeFullWrapper(new battle.RoomDownsyncFrame.ptr(id, playersArr, new $Int64(0, 0), meleeBullets, sliceType$4.nil, new $Uint64(0, 0), false)); /* */ $s = 1; case 1: if($c) { $c = false; _r = _r.$blk(); } if (_r && _r.$blk !== undefined) { break s; }
+		_r = js.MakeFullWrapper(new battle.RoomDownsyncFrame.ptr(id, playersArr, new $Int64(0, 0), meleeBullets, sliceType$4.nil, new $Uint64(0, 0), false, false)); /* */ $s = 1; case 1: if($c) { $c = false; _r = _r.$blk(); } if (_r && _r.$blk !== undefined) { break s; }
 		$24r = _r;
 		$s = 2; case 2: return $24r;
 		/* */ } return; } var $f = {$blk: NewRoomDownsyncFrameJs, $c: true, $r, $24r, _r, id, meleeBullets, playersArr, $s};return $f;
@@ -6028,7 +6037,7 @@ $packages["jsexport"] = (function() {
 	};
 	$pkg.ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs = ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs;
 	main = function() {
-		$global.gopkgs = $externalize($makeMap($String.keyFor, [{ k: "NewVec2DJs", v: new funcType(NewVec2DJs) }, { k: "NewPolygon2DJs", v: new funcType$1(NewPolygon2DJs) }, { k: "NewBarrierJs", v: new funcType$2(NewBarrierJs) }, { k: "NewPlayerDownsyncJs", v: new funcType$3(NewPlayerDownsyncJs) }, { k: "NewRoomDownsyncFrameJs", v: new funcType$4(NewRoomDownsyncFrameJs) }, { k: "NewCollisionSpaceJs", v: new funcType$5(NewCollisionSpaceJs) }, { k: "NewInputFrameDownsync", v: new funcType$6(NewInputFrameDownsync) }, { k: "NewRingBufferJs", v: new funcType$7(NewRingBufferJs) }, { k: "GenerateRectColliderJs", v: new funcType$8(GenerateRectColliderJs) }, { k: "GenerateConvexPolygonColliderJs", v: new funcType$9(GenerateConvexPolygonColliderJs) }, { k: "GetCollisionSpaceObjsJs", v: new funcType$10(GetCollisionSpaceObjsJs) }, { k: "ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs", v: new funcType$11(ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs) }, { k: "WorldToPolygonColliderBLPos", v: new funcType$12(battle.WorldToPolygonColliderBLPos) }, { k: "PolygonColliderBLToWorldPos", v: new funcType$12(battle.PolygonColliderBLToWorldPos) }]), mapType$2);
+		$global.gopkgs = $externalize($makeMap($String.keyFor, [{ k: "NewVec2DJs", v: new funcType(NewVec2DJs) }, { k: "NewPolygon2DJs", v: new funcType$1(NewPolygon2DJs) }, { k: "NewBarrierJs", v: new funcType$2(NewBarrierJs) }, { k: "NewPlayerDownsyncJs", v: new funcType$3(NewPlayerDownsyncJs) }, { k: "NewMeleeBulletJs", v: new funcType$4(NewMeleeBulletJs) }, { k: "NewRoomDownsyncFrameJs", v: new funcType$5(NewRoomDownsyncFrameJs) }, { k: "NewCollisionSpaceJs", v: new funcType$6(NewCollisionSpaceJs) }, { k: "NewInputFrameDownsync", v: new funcType$7(NewInputFrameDownsync) }, { k: "NewRingBufferJs", v: new funcType$8(NewRingBufferJs) }, { k: "GenerateRectColliderJs", v: new funcType$9(GenerateRectColliderJs) }, { k: "GenerateConvexPolygonColliderJs", v: new funcType$10(GenerateConvexPolygonColliderJs) }, { k: "GetCollisionSpaceObjsJs", v: new funcType$11(GetCollisionSpaceObjsJs) }, { k: "ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs", v: new funcType$12(ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs) }, { k: "WorldToPolygonColliderBLPos", v: new funcType$13(battle.WorldToPolygonColliderBLPos) }, { k: "PolygonColliderBLToWorldPos", v: new funcType$13(battle.PolygonColliderBLToWorldPos) }]), mapType$2);
 	};
 	$init = function() {
 		$pkg.$init = function() {};

frontend/assets/resources/pbfiles/room_downsync_frame.proto

@@ -156,4 +156,5 @@ 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; 
 }

frontend/assets/scenes/login.fire

@@ -440,7 +440,7 @@
       "array": [
         0,
         0,
-        210.2224973754617,
+        216.50635094610968,
         0,
         0,
         0,

frontend/assets/scripts/Map.js

@@ -403,7 +403,6 @@ cc.Class({
       console.log(`Received parsedBattleColliderInfo via ws`);
       // TODO: Upon reconnection, the backend might have already been sending down data that'd trigger "onRoomDownsyncFrame & onInputFrameDownsyncBatch", but frontend could reject those data due to "battleState != PlayerBattleState.ACTIVE".
       Object.assign(self, parsedBattleColliderInfo);
-      self.gravityX = parsedBattleColliderInfo.gravityX; // to avoid integer default value 0 accidentally becoming null in "Object.assign(...)"
       self.tooFastDtIntervalMillis = 0.5 * self.rollbackEstimatedDtMillis;
 
       const tiledMapIns = self.node.getComponent(cc.TiledMap);
@@ -504,7 +503,7 @@ cc.Class({
         }
         self.selfPlayerInfo = JSON.parse(cc.sys.localStorage.getItem('selfPlayer'));
         Object.assign(self.selfPlayerInfo, {
-          id: self.selfPlayerInfo.playerId
+          Id: self.selfPlayerInfo.playerId
         });
 
         const reqData = window.pb.protos.WsReq.encode({
@@ -627,6 +626,7 @@ 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;
     self._initPlayerRichInfoDict(rdf.PlayersArr);
 
     // Show the top status indicators for IN_BATTLE 
@@ -744,14 +744,14 @@ cc.Class({
         &&
         null == firstPredictedYetIncorrectInputFrameId
         &&
-        !self.equalInputLists(localInputFrame.inputList, inputFrameDownsync.inputList)
+        !self.equalInputLists(localInputFrame.InputList, inputFrameDownsync.inputList)
       ) {
         firstPredictedYetIncorrectInputFrameId = inputFrameDownsyncId;
       }
       inputFrameDownsync.confirmedList = (1 << self.playerRichInfoDict.size) - 1;
-      inputFrameDownsyncLocal = gopkgs.NewInputFrameDownsync(inputFrameDownsync.inputFrameId, inputFrameDownsync.inputList, inputFrameDownsync.confirmedList); // "battle.InputFrameDownsync" in "jsexport"
+      const inputFrameDownsyncLocal = gopkgs.NewInputFrameDownsync(inputFrameDownsync.inputFrameId, inputFrameDownsync.inputList, inputFrameDownsync.confirmedList); // "battle.InputFrameDownsync" in "jsexport"
       //console.log(`Confirmed inputFrameId=${inputFrameDownsync.inputFrameId}`);
-      const [ret, oldStFrameId, oldEdFrameId] = self.recentInputCache.SetByFrameId(inputFrameDownsync, inputFrameDownsync.inputFrameId);
+      const [ret, oldStFrameId, oldEdFrameId] = self.recentInputCache.SetByFrameId(inputFrameDownsyncLocal, inputFrameDownsync.inputFrameId);
       if (window.RING_BUFF_FAILED_TO_SET == ret) {
         throw `Failed to dump input cache (maybe recentInputCache too small)! inputFrameDownsync.inputFrameId=${inputFrameDownsync.inputFrameId}, lastAllConfirmedInputFrameId=${self.lastAllConfirmedInputFrameId}; recentRenderCache=${self._stringifyRecentRenderCache(false)}, recentInputCache=${self._stringifyRecentInputCache(false)}`;
       }

frontend/assets/scripts/modules/room_downsync_frame_proto_bundle.forcemsg.js

@@ -4601,7 +4601,6 @@ $root.protos = (function() {
          * @property {number|null} [virtualGridToWorldRatio] BattleColliderInfo virtualGridToWorldRatio
          * @property {number|null} [spAtkLookupFrames] BattleColliderInfo spAtkLookupFrames
          * @property {number|null} [renderCacheSize] BattleColliderInfo renderCacheSize
-         * @property {Object.<string,protos.MeleeBullet>|null} [meleeSkillConfig] BattleColliderInfo meleeSkillConfig
          * @property {number|null} [snapIntoPlatformOverlap] BattleColliderInfo snapIntoPlatformOverlap
          * @property {number|null} [snapIntoPlatformThreshold] BattleColliderInfo snapIntoPlatformThreshold
          * @property {number|null} [jumpingInitVelY] BattleColliderInfo jumpingInitVelY
@@ -4620,7 +4619,6 @@ $root.protos = (function() {
          * @param {protos.IBattleColliderInfo=} [properties] Properties to set
          */
         function BattleColliderInfo(properties) {
-            this.meleeSkillConfig = {};
             if (properties)
                 for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                     if (properties[keys[i]] != null)
@@ -4811,14 +4809,6 @@ $root.protos = (function() {
          */
         BattleColliderInfo.prototype.renderCacheSize = 0;
 
-        /**
-         * BattleColliderInfo meleeSkillConfig.
-         * @member {Object.<string,protos.MeleeBullet>} meleeSkillConfig
-         * @memberof protos.BattleColliderInfo
-         * @instance
-         */
-        BattleColliderInfo.prototype.meleeSkillConfig = $util.emptyObject;
-
         /**
          * BattleColliderInfo snapIntoPlatformOverlap.
          * @member {number} snapIntoPlatformOverlap
@@ -4945,23 +4935,18 @@ $root.protos = (function() {
                 writer.uint32(/* id 22, wireType 0 =*/176).int32(message.spAtkLookupFrames);
             if (message.renderCacheSize != null && Object.hasOwnProperty.call(message, "renderCacheSize"))
                 writer.uint32(/* id 23, wireType 0 =*/184).int32(message.renderCacheSize);
-            if (message.meleeSkillConfig != null && Object.hasOwnProperty.call(message, "meleeSkillConfig"))
-                for (var keys = Object.keys(message.meleeSkillConfig), i = 0; i < keys.length; ++i) {
-                    writer.uint32(/* id 24, wireType 2 =*/194).fork().uint32(/* id 1, wireType 0 =*/8).int32(keys[i]);
-                    $root.protos.MeleeBullet.encode(message.meleeSkillConfig[keys[i]], writer.uint32(/* id 2, wireType 2 =*/18).fork()).ldelim().ldelim();
-                }
             if (message.snapIntoPlatformOverlap != null && Object.hasOwnProperty.call(message, "snapIntoPlatformOverlap"))
-                writer.uint32(/* id 25, wireType 1 =*/201).double(message.snapIntoPlatformOverlap);
+                writer.uint32(/* id 24, wireType 1 =*/193).double(message.snapIntoPlatformOverlap);
             if (message.snapIntoPlatformThreshold != null && Object.hasOwnProperty.call(message, "snapIntoPlatformThreshold"))
-                writer.uint32(/* id 26, wireType 1 =*/209).double(message.snapIntoPlatformThreshold);
+                writer.uint32(/* id 25, wireType 1 =*/201).double(message.snapIntoPlatformThreshold);
             if (message.jumpingInitVelY != null && Object.hasOwnProperty.call(message, "jumpingInitVelY"))
-                writer.uint32(/* id 27, wireType 0 =*/216).int32(message.jumpingInitVelY);
+                writer.uint32(/* id 26, wireType 0 =*/208).int32(message.jumpingInitVelY);
             if (message.gravityX != null && Object.hasOwnProperty.call(message, "gravityX"))
-                writer.uint32(/* id 28, wireType 0 =*/224).int32(message.gravityX);
+                writer.uint32(/* id 27, wireType 0 =*/216).int32(message.gravityX);
             if (message.gravityY != null && Object.hasOwnProperty.call(message, "gravityY"))
-                writer.uint32(/* id 29, wireType 0 =*/232).int32(message.gravityY);
+                writer.uint32(/* id 28, wireType 0 =*/224).int32(message.gravityY);
             if (message.collisionMinStep != null && Object.hasOwnProperty.call(message, "collisionMinStep"))
-                writer.uint32(/* id 30, wireType 0 =*/240).int32(message.collisionMinStep);
+                writer.uint32(/* id 29, wireType 0 =*/232).int32(message.collisionMinStep);
             if (message.frameDataLoggingEnabled != null && Object.hasOwnProperty.call(message, "frameDataLoggingEnabled"))
                 writer.uint32(/* id 999, wireType 0 =*/7992).bool(message.frameDataLoggingEnabled);
             return writer;
@@ -4994,7 +4979,7 @@ $root.protos = (function() {
         BattleColliderInfo.decode = function decode(reader, length) {
             if (!(reader instanceof $Reader))
                 reader = $Reader.create(reader);
-            var end = length === undefined ? reader.len : reader.pos + length, message = new $root.protos.BattleColliderInfo(), key, value;
+            var end = length === undefined ? reader.len : reader.pos + length, message = new $root.protos.BattleColliderInfo();
             while (reader.pos < end) {
                 var tag = reader.uint32();
                 switch (tag >>> 3) {
@@ -5091,49 +5076,26 @@ $root.protos = (function() {
                         break;
                     }
                 case 24: {
-                        if (message.meleeSkillConfig === $util.emptyObject)
-                            message.meleeSkillConfig = {};
-                        var end2 = reader.uint32() + reader.pos;
-                        key = 0;
-                        value = null;
-                        while (reader.pos < end2) {
-                            var tag2 = reader.uint32();
-                            switch (tag2 >>> 3) {
-                            case 1:
-                                key = reader.int32();
-                                break;
-                            case 2:
-                                value = $root.protos.MeleeBullet.decode(reader, reader.uint32());
-                                break;
-                            default:
-                                reader.skipType(tag2 & 7);
-                                break;
-                            }
-                        }
-                        message.meleeSkillConfig[key] = value;
-                        break;
-                    }
-                case 25: {
                         message.snapIntoPlatformOverlap = reader.double();
                         break;
                     }
-                case 26: {
+                case 25: {
                         message.snapIntoPlatformThreshold = reader.double();
                         break;
                     }
-                case 27: {
+                case 26: {
                         message.jumpingInitVelY = reader.int32();
                         break;
                     }
-                case 28: {
+                case 27: {
                         message.gravityX = reader.int32();
                         break;
                     }
-                case 29: {
+                case 28: {
                         message.gravityY = reader.int32();
                         break;
                     }
-                case 30: {
+                case 29: {
                         message.collisionMinStep = reader.int32();
                         break;
                     }
@@ -5245,20 +5207,6 @@ $root.protos = (function() {
             if (message.renderCacheSize != null && message.hasOwnProperty("renderCacheSize"))
                 if (!$util.isInteger(message.renderCacheSize))
                     return "renderCacheSize: integer expected";
-            if (message.meleeSkillConfig != null && message.hasOwnProperty("meleeSkillConfig")) {
-                if (!$util.isObject(message.meleeSkillConfig))
-                    return "meleeSkillConfig: object expected";
-                var key = Object.keys(message.meleeSkillConfig);
-                for (var i = 0; i < key.length; ++i) {
-                    if (!$util.key32Re.test(key[i]))
-                        return "meleeSkillConfig: integer key{k:int32} expected";
-                    {
-                        var error = $root.protos.MeleeBullet.verify(message.meleeSkillConfig[key[i]]);
-                        if (error)
-                            return "meleeSkillConfig." + error;
-                    }
-                }
-            }
             if (message.snapIntoPlatformOverlap != null && message.hasOwnProperty("snapIntoPlatformOverlap"))
                 if (typeof message.snapIntoPlatformOverlap !== "number")
                     return "snapIntoPlatformOverlap: number expected";
@@ -5355,16 +5303,6 @@ $root.protos = (function() {
                 message.spAtkLookupFrames = object.spAtkLookupFrames | 0;
             if (object.renderCacheSize != null)
                 message.renderCacheSize = object.renderCacheSize | 0;
-            if (object.meleeSkillConfig) {
-                if (typeof object.meleeSkillConfig !== "object")
-                    throw TypeError(".protos.BattleColliderInfo.meleeSkillConfig: object expected");
-                message.meleeSkillConfig = {};
-                for (var keys = Object.keys(object.meleeSkillConfig), i = 0; i < keys.length; ++i) {
-                    if (typeof object.meleeSkillConfig[keys[i]] !== "object")
-                        throw TypeError(".protos.BattleColliderInfo.meleeSkillConfig: object expected");
-                    message.meleeSkillConfig[keys[i]] = $root.protos.MeleeBullet.fromObject(object.meleeSkillConfig[keys[i]]);
-                }
-            }
             if (object.snapIntoPlatformOverlap != null)
                 message.snapIntoPlatformOverlap = Number(object.snapIntoPlatformOverlap);
             if (object.snapIntoPlatformThreshold != null)
@@ -5395,8 +5333,6 @@ $root.protos = (function() {
             if (!options)
                 options = {};
             var object = {};
-            if (options.objects || options.defaults)
-                object.meleeSkillConfig = {};
             if (options.defaults) {
                 object.stageName = "";
                 object.stageDiscreteW = 0;
@@ -5489,12 +5425,6 @@ $root.protos = (function() {
                 object.spAtkLookupFrames = message.spAtkLookupFrames;
             if (message.renderCacheSize != null && message.hasOwnProperty("renderCacheSize"))
                 object.renderCacheSize = message.renderCacheSize;
-            var keys2;
-            if (message.meleeSkillConfig && (keys2 = Object.keys(message.meleeSkillConfig)).length) {
-                object.meleeSkillConfig = {};
-                for (var j = 0; j < keys2.length; ++j)
-                    object.meleeSkillConfig[keys2[j]] = $root.protos.MeleeBullet.toObject(message.meleeSkillConfig[keys2[j]], options);
-            }
             if (message.snapIntoPlatformOverlap != null && message.hasOwnProperty("snapIntoPlatformOverlap"))
                 object.snapIntoPlatformOverlap = options.json && !isFinite(message.snapIntoPlatformOverlap) ? String(message.snapIntoPlatformOverlap) : message.snapIntoPlatformOverlap;
             if (message.snapIntoPlatformThreshold != null && message.hasOwnProperty("snapIntoPlatformThreshold"))
@@ -5553,6 +5483,7 @@ $root.protos = (function() {
          * @property {Array.<protos.MeleeBullet>|null} [meleeBullets] RoomDownsyncFrame meleeBullets
          * @property {number|Long|null} [backendUnconfirmedMask] RoomDownsyncFrame backendUnconfirmedMask
          * @property {boolean|null} [shouldForceResync] RoomDownsyncFrame shouldForceResync
+         * @property {Object.<string,number>|null} [playerOpPatternToSkillId] RoomDownsyncFrame playerOpPatternToSkillId
          */
 
         /**
@@ -5566,6 +5497,7 @@ $root.protos = (function() {
         function RoomDownsyncFrame(properties) {
             this.playersArr = [];
             this.meleeBullets = [];
+            this.playerOpPatternToSkillId = {};
             if (properties)
                 for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                     if (properties[keys[i]] != null)
@@ -5620,6 +5552,14 @@ $root.protos = (function() {
          */
         RoomDownsyncFrame.prototype.shouldForceResync = false;
 
+        /**
+         * RoomDownsyncFrame playerOpPatternToSkillId.
+         * @member {Object.<string,number>} playerOpPatternToSkillId
+         * @memberof protos.RoomDownsyncFrame
+         * @instance
+         */
+        RoomDownsyncFrame.prototype.playerOpPatternToSkillId = $util.emptyObject;
+
         /**
          * Creates a new RoomDownsyncFrame instance using the specified properties.
          * @function create
@@ -5658,6 +5598,9 @@ $root.protos = (function() {
                 writer.uint32(/* id 5, wireType 0 =*/40).uint64(message.backendUnconfirmedMask);
             if (message.shouldForceResync != null && Object.hasOwnProperty.call(message, "shouldForceResync"))
                 writer.uint32(/* id 6, wireType 0 =*/48).bool(message.shouldForceResync);
+            if (message.playerOpPatternToSkillId != null && Object.hasOwnProperty.call(message, "playerOpPatternToSkillId"))
+                for (var keys = Object.keys(message.playerOpPatternToSkillId), i = 0; i < keys.length; ++i)
+                    writer.uint32(/* id 7, wireType 2 =*/58).fork().uint32(/* id 1, wireType 0 =*/8).int32(keys[i]).uint32(/* id 2, wireType 0 =*/16).int32(message.playerOpPatternToSkillId[keys[i]]).ldelim();
             return writer;
         };
 
@@ -5688,7 +5631,7 @@ $root.protos = (function() {
         RoomDownsyncFrame.decode = function decode(reader, length) {
             if (!(reader instanceof $Reader))
                 reader = $Reader.create(reader);
-            var end = length === undefined ? reader.len : reader.pos + length, message = new $root.protos.RoomDownsyncFrame();
+            var end = length === undefined ? reader.len : reader.pos + length, message = new $root.protos.RoomDownsyncFrame(), key, value;
             while (reader.pos < end) {
                 var tag = reader.uint32();
                 switch (tag >>> 3) {
@@ -5720,6 +5663,29 @@ $root.protos = (function() {
                         message.shouldForceResync = reader.bool();
                         break;
                     }
+                case 7: {
+                        if (message.playerOpPatternToSkillId === $util.emptyObject)
+                            message.playerOpPatternToSkillId = {};
+                        var end2 = reader.uint32() + reader.pos;
+                        key = 0;
+                        value = 0;
+                        while (reader.pos < end2) {
+                            var tag2 = reader.uint32();
+                            switch (tag2 >>> 3) {
+                            case 1:
+                                key = reader.int32();
+                                break;
+                            case 2:
+                                value = reader.int32();
+                                break;
+                            default:
+                                reader.skipType(tag2 & 7);
+                                break;
+                            }
+                        }
+                        message.playerOpPatternToSkillId[key] = value;
+                        break;
+                    }
                 default:
                     reader.skipType(tag & 7);
                     break;
@@ -5785,6 +5751,17 @@ $root.protos = (function() {
             if (message.shouldForceResync != null && message.hasOwnProperty("shouldForceResync"))
                 if (typeof message.shouldForceResync !== "boolean")
                     return "shouldForceResync: boolean expected";
+            if (message.playerOpPatternToSkillId != null && message.hasOwnProperty("playerOpPatternToSkillId")) {
+                if (!$util.isObject(message.playerOpPatternToSkillId))
+                    return "playerOpPatternToSkillId: object expected";
+                var key = Object.keys(message.playerOpPatternToSkillId);
+                for (var i = 0; i < key.length; ++i) {
+                    if (!$util.key32Re.test(key[i]))
+                        return "playerOpPatternToSkillId: integer key{k:int32} expected";
+                    if (!$util.isInteger(message.playerOpPatternToSkillId[key[i]]))
+                        return "playerOpPatternToSkillId: integer{k:int32} expected";
+                }
+            }
             return null;
         };
 
@@ -5842,6 +5819,13 @@ $root.protos = (function() {
                     message.backendUnconfirmedMask = new $util.LongBits(object.backendUnconfirmedMask.low >>> 0, object.backendUnconfirmedMask.high >>> 0).toNumber(true);
             if (object.shouldForceResync != null)
                 message.shouldForceResync = Boolean(object.shouldForceResync);
+            if (object.playerOpPatternToSkillId) {
+                if (typeof object.playerOpPatternToSkillId !== "object")
+                    throw TypeError(".protos.RoomDownsyncFrame.playerOpPatternToSkillId: object expected");
+                message.playerOpPatternToSkillId = {};
+                for (var keys = Object.keys(object.playerOpPatternToSkillId), i = 0; i < keys.length; ++i)
+                    message.playerOpPatternToSkillId[keys[i]] = object.playerOpPatternToSkillId[keys[i]] | 0;
+            }
             return message;
         };
 
@@ -5862,6 +5846,8 @@ $root.protos = (function() {
                 object.playersArr = [];
                 object.meleeBullets = [];
             }
+            if (options.objects || options.defaults)
+                object.playerOpPatternToSkillId = {};
             if (options.defaults) {
                 object.id = 0;
                 if ($util.Long) {
@@ -5900,6 +5886,12 @@ $root.protos = (function() {
                     object.backendUnconfirmedMask = options.longs === String ? $util.Long.prototype.toString.call(message.backendUnconfirmedMask) : options.longs === Number ? new $util.LongBits(message.backendUnconfirmedMask.low >>> 0, message.backendUnconfirmedMask.high >>> 0).toNumber(true) : message.backendUnconfirmedMask;
             if (message.shouldForceResync != null && message.hasOwnProperty("shouldForceResync"))
                 object.shouldForceResync = message.shouldForceResync;
+            var keys2;
+            if (message.playerOpPatternToSkillId && (keys2 = Object.keys(message.playerOpPatternToSkillId)).length) {
+                object.playerOpPatternToSkillId = {};
+                for (var j = 0; j < keys2.length; ++j)
+                    object.playerOpPatternToSkillId[keys2[j]] = message.playerOpPatternToSkillId[keys2[j]];
+            }
             return object;
         };
 

jsexport/battle/room_downsync_frame.go

@@ -98,6 +98,7 @@ type RoomDownsyncFrame struct {
 	FireballBullets          []*FireballBullet
 	BackendUnconfirmedMask   uint64
 	ShouldForceResync        bool
+	PlayerOpPatternToSkillId map[int]int
 }
 
 type InputFrameDownsync struct {

jsexport/main.go

@@ -62,6 +62,33 @@ func NewPlayerDownsyncJs(id, virtualGridX, virtualGridY, dirX, dirY, velX, velY,
 	})
 }
 
+func NewMeleeBulletJs(battleLocalId, startupFrames, activeFrames, recoveryFrames, recoveryFramesOnBlock, recoveryFramesOnHit, hitStunFrames, blockStunFrames, releaseTriggerType, damage, offenderJoinIndex, offenderPlayerId int32, pushback, hitboxOffset, selfMoveforwardX, selfMoveforwardY, hitboxSizeX, hitboxSizeY float64) *js.Object {
+	return js.MakeWrapper(&MeleeBullet{
+		Bullet: Bullet{
+			BattleLocalId:         battleLocalId,
+			StartupFrames:         startupFrames,
+			ActiveFrames:          activeFrames,
+			RecoveryFrames:        recoveryFrames,
+			RecoveryFramesOnBlock: recoveryFramesOnBlock,
+			RecoveryFramesOnHit:   recoveryFramesOnHit,
+			HitboxOffset:          hitboxOffset,
+			HitStunFrames:         hitStunFrames,
+			BlockStunFrames:       blockStunFrames,
+			Pushback:              pushback,
+			ReleaseTriggerType:    releaseTriggerType,
+			Damage:                damage,
+
+			SelfMoveforwardX: selfMoveforwardX,
+			SelfMoveforwardY: selfMoveforwardY,
+			HitboxSizeX:      hitboxSizeX,
+			HitboxSizeY:      hitboxSizeY,
+
+			OffenderJoinIndex: offenderJoinIndex,
+			OffenderPlayerId:  offenderPlayerId,
+		},
+	})
+}
+
 func NewRoomDownsyncFrameJs(id int32, playersArr []*PlayerDownsync, meleeBullets []*MeleeBullet) *js.Object {
 	// [WARNING] Avoid using "pb.RoomDownsyncFrame" here, in practive "MakeFullWrapper" doesn't expose the public fields for a "protobuf struct" as expected and requires helper functions like "GetCollisionSpaceObjsJs".
 	return js.MakeFullWrapper(&RoomDownsyncFrame{
@@ -112,6 +139,7 @@ func main() {
 		"NewPolygon2DJs":                  NewPolygon2DJs,
 		"NewBarrierJs":                    NewBarrierJs,
 		"NewPlayerDownsyncJs":             NewPlayerDownsyncJs,
+		"NewMeleeBulletJs":                NewMeleeBulletJs,
 		"NewRoomDownsyncFrameJs":          NewRoomDownsyncFrameJs,
 		"NewCollisionSpaceJs":             NewCollisionSpaceJs,
 		"NewInputFrameDownsync":           NewInputFrameDownsync,