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Temp broken commit during refactoration of jsexport inputbuffer handling.

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genxium
2022-12-28 18:06:05 +08:00
parent c017aaa7ed
commit f4868197b6
12 changed files with 6142 additions and 171 deletions
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153
jsexport/battle/battle.go
View File

@@ -10,6 +10,9 @@ const (
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
)
// These directions are chosen such that when speed is changed to "(speedX+delta, speedY+delta)" for any of them, the direction is unchanged.
@@ -25,6 +28,32 @@ var DIRECTION_DECODER = [][]int32{
{-1, +1},
}
var skillIdToBullet = map[int]interface{}{
1: &MeleeBullet{
Bullet: Bullet{
// 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,
},
},
}
const (
ATK_CHARACTER_STATE_IDLE1 = int32(0)
ATK_CHARACTER_STATE_WALKING = int32(1)
@@ -292,8 +321,60 @@ 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) {
// returns (patternId, jumpedOrNot, effectiveDx, effectiveDy)
delayedInputFrameId := ConvertToInputFrameId(currRenderFrame.Id, inputDelayFrames, inputScaleFrames)
delayedInputFrameIdForPrevRdf := ConvertToInputFrameId(currRenderFrame.Id-1, inputDelayFrames, inputScaleFrames)
if 0 >= delayedInputFrameId {
return PATTERN_ID_UNABLE_TO_OP, false, 0, 0
}
delayedInputList := inputsBuffer.GetByFrameId(delayedInputFrameId).(*InputFrameDownsync).InputList
var delayedInputListForPrevRdf []uint64 = nil
if 0 < delayedInputFrameIdForPrevRdf {
delayedInputListForPrevRdf = inputsBuffer.GetByFrameId(delayedInputFrameIdForPrevRdf).(*InputFrameDownsync).InputList
}
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
prevBtnALevel, prevBtnBLevel := int32(0), int32(0)
if nil != delayedInputListForPrevRdf {
prevDecodedInput := decodeInput(delayedInputListForPrevRdf[joinIndex-1])
prevBtnALevel = prevDecodedInput.BtnALevel
prevBtnBLevel = prevDecodedInput.BtnBLevel
}
if decodedInput.BtnBLevel > prevBtnBLevel {
characStateAlreadyInAir := false
if ATK_CHARACTER_STATE_INAIR_IDLE1 == currPlayerDownsync.CharacterState || ATK_CHARACTER_STATE_INAIR_ATK1 == currPlayerDownsync.CharacterState || ATK_CHARACTER_STATE_INAIR_ATKED1 == currPlayerDownsync.CharacterState {
characStateAlreadyInAir = true
}
characStateIsInterruptWaivable := false
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
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(delayedInputList, delayedInputListForPrevRenderFrame []uint64, currRenderFrame *RoomDownsyncFrame, collisionSys *resolv.Space, collisionSysMap map[int32]*resolv.Object, gravityX, gravityY, jumpingInitVelY, inputDelayFrames int32, inputScaleFrames uint32, collisionSpaceOffsetX, collisionSpaceOffsetY, snapIntoPlatformOverlap, snapIntoPlatformThreshold, worldToVirtualGridRatio, virtualGridToWorldRatio float64) *RoomDownsyncFrame {
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 {
// [WARNING] On backend this function MUST BE called while "InputsBufferLock" is locked!
roomCapacity := len(currRenderFrame.PlayersArr)
nextRenderFramePlayers := make([]*PlayerDownsync, roomCapacity)
@@ -323,48 +404,47 @@ func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(delayedInputList, delaye
}
}
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)
// 1. Process player inputs
if nil != delayedInputList {
for i, currPlayerDownsync := range currRenderFrame.PlayersArr {
joinIndex := currPlayerDownsync.JoinIndex
thatPlayerInNextFrame := nextRenderFramePlayers[i]
if 0 < thatPlayerInNextFrame.FramesToRecover {
continue
}
decodedInput := decodeInput(delayedInputList[joinIndex-1])
prevBtnBLevel := int32(0)
if nil != delayedInputListForPrevRenderFrame {
prevDecodedInput := decodeInput(delayedInputListForPrevRenderFrame[joinIndex-1])
prevBtnBLevel = prevDecodedInput.BtnBLevel
}
for i, currPlayerDownsync := range currRenderFrame.PlayersArr {
thatPlayerInNextFrame := nextRenderFramePlayers[i]
patternId, jumpedOrNot, effDx, effDy := deriveOpPattern(currPlayerDownsync, thatPlayerInNextFrame, currRenderFrame, inputsBuffer, inputDelayFrames, inputScaleFrames)
if PATTERN_ID_UNABLE_TO_OP == patternId {
continue
}
if decodedInput.BtnBLevel > prevBtnBLevel {
characStateAlreadyInAir := false
if ATK_CHARACTER_STATE_INAIR_IDLE1 == thatPlayerInNextFrame.CharacterState || ATK_CHARACTER_STATE_INAIR_ATK1 == thatPlayerInNextFrame.CharacterState || ATK_CHARACTER_STATE_INAIR_ATKED1 == thatPlayerInNextFrame.CharacterState {
characStateAlreadyInAir = true
}
characStateIsInterruptWaivable := false
if ATK_CHARACTER_STATE_IDLE1 == thatPlayerInNextFrame.CharacterState || ATK_CHARACTER_STATE_WALKING == thatPlayerInNextFrame.CharacterState || ATK_CHARACTER_STATE_INAIR_IDLE1 == thatPlayerInNextFrame.CharacterState {
characStateIsInterruptWaivable = true
}
if !characStateAlreadyInAir && characStateIsInterruptWaivable {
thatPlayerInNextFrame.VelY = jumpingInitVelY
if jumpedOrNot {
thatPlayerInNextFrame.VelY = jumpingInitVelY
thatPlayerInNextFrame.VirtualGridY += jumpingInitVelY // Immediately gets out of any snapping
}
joinIndex := currPlayerDownsync.JoinIndex
if PATTERN_ID_NO_OP != patternId {
if skillId, existent := playerOpPatternToSkillId[(int(joinIndex)<<uint(8))+patternId]; existent {
skillConfig := skillIdToBullet[skillId].(*MeleeBullet) // Hardcoded type "MeleeBullet" for now
var newMeleeBullet MeleeBullet = *skillConfig
newMeleeBullet.OffenderJoinIndex = joinIndex
newMeleeBullet.OffenderPlayerId = currPlayerDownsync.Id
newMeleeBullet.OriginatedRenderFrameId = currRenderFrame.Id
nextRenderFrameMeleeBullets = append(nextRenderFrameMeleeBullets, &newMeleeBullet)
thatPlayerInNextFrame.FramesToRecover = newMeleeBullet.RecoveryFrames
thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_ATK1
if false == currPlayerDownsync.InAir {
thatPlayerInNextFrame.VelX = 0
}
}
continue
}
// Note that by now "0 == thatPlayerInNextFrame.FramesToRecover", we should change "CharacterState" to "WALKING" or "IDLE" depending on player inputs
if 0 != decodedInput.Dx || 0 != decodedInput.Dy {
thatPlayerInNextFrame.DirX = decodedInput.Dx
thatPlayerInNextFrame.DirY = decodedInput.Dy
thatPlayerInNextFrame.VelX = decodedInput.Dx * currPlayerDownsync.Speed
thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_WALKING
} else {
thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_IDLE1
thatPlayerInNextFrame.VelX = 0
}
if 0 != effDx || 0 != effDy {
thatPlayerInNextFrame.DirX, thatPlayerInNextFrame.DirY = effDx, effDy
thatPlayerInNextFrame.VelX = effDx * currPlayerDownsync.Speed
thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_WALKING
} else {
thatPlayerInNextFrame.CharacterState = ATK_CHARACTER_STATE_IDLE1
thatPlayerInNextFrame.VelX = 0
}
}
@@ -377,9 +457,6 @@ func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(delayedInputList, delaye
thatPlayerInNextFrame := nextRenderFramePlayers[i]
// Reset playerCollider position from the "virtual grid position"
newVx, newVy := currPlayerDownsync.VirtualGridX+currPlayerDownsync.VelX, currPlayerDownsync.VirtualGridY+currPlayerDownsync.VelY
if thatPlayerInNextFrame.VelY == jumpingInitVelY {
newVy += thatPlayerInNextFrame.VelY
}
playerCollider.X, playerCollider.Y = VirtualGridToPolygonColliderBLPos(newVx, newVy, playerCollider.W*0.5, playerCollider.H*0.5, 0, 0, 0, 0, collisionSpaceOffsetX, collisionSpaceOffsetY, virtualGridToWorldRatio)
// Update in the collision system

124
jsexport/battle/ringbuf.go Normal file
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@@ -0,0 +1,124 @@
package battle
const (
RING_BUFF_CONSECUTIVE_SET = int32(0)
RING_BUFF_NON_CONSECUTIVE_SET = int32(1)
RING_BUFF_FAILED_TO_SET = int32(2)
)
type RingBuffer struct {
Ed int32 // write index, open index
St int32 // read index, closed index
EdFrameId int32
StFrameId int32
N int32
Cnt int32 // the count of valid elements in the buffer, used mainly to distinguish what "st == ed" means for "Pop" and "Get" methods
Eles []interface{}
}
func NewRingBuffer(n int32) *RingBuffer {
return &RingBuffer{
Ed: 0,
St: 0,
N: n,
Cnt: 0,
Eles: make([]interface{}, n),
}
}
func (rb *RingBuffer) Put(pItem interface{}) {
for 0 < rb.Cnt && rb.Cnt >= rb.N {
// Make room for the new element
rb.Pop()
}
rb.Eles[rb.Ed] = pItem
rb.EdFrameId++
rb.Cnt++
rb.Ed++
if rb.Ed >= rb.N {
rb.Ed -= rb.N // Deliberately not using "%" operator for performance concern
}
}
func (rb *RingBuffer) Pop() interface{} {
if 0 == rb.Cnt {
return nil
}
pItem := rb.Eles[rb.St]
rb.StFrameId++
rb.Cnt--
rb.St++
if rb.St >= rb.N {
rb.St -= rb.N
}
return pItem
}
func (rb *RingBuffer) GetArrIdxByOffset(offsetFromSt int32) int32 {
if 0 == rb.Cnt || 0 > offsetFromSt {
return -1
}
arrIdx := rb.St + offsetFromSt
if rb.St < rb.Ed {
// case#1: 0...st...ed...N-1
if rb.St <= arrIdx && arrIdx < rb.Ed {
return arrIdx
}
} else {
// if rb.St >= rb.Ed
// case#2: 0...ed...st...N-1
if arrIdx >= rb.N {
arrIdx -= rb.N
}
if arrIdx >= rb.St || arrIdx < rb.Ed {
return arrIdx
}
}
return -1
}
func (rb *RingBuffer) GetByOffset(offsetFromSt int32) interface{} {
arrIdx := rb.GetArrIdxByOffset(offsetFromSt)
if -1 == arrIdx {
return nil
}
return rb.Eles[arrIdx]
}
func (rb *RingBuffer) GetByFrameId(frameId int32) interface{} {
if frameId >= rb.EdFrameId || frameId < rb.StFrameId {
return nil
}
return rb.GetByOffset(frameId - rb.StFrameId)
}
// [WARNING] During a battle, frontend could receive non-consecutive frames (either renderFrame or inputFrame) due to resync, the buffer should handle these frames properly.
func (rb *RingBuffer) SetByFrameId(pItem interface{}, frameId int32) (int32, int32, int32) {
oldStFrameId, oldEdFrameId := rb.StFrameId, rb.EdFrameId
if frameId < oldStFrameId {
return RING_BUFF_FAILED_TO_SET, oldStFrameId, oldEdFrameId
}
// By now "rb.StFrameId <= frameId"
if oldEdFrameId > frameId {
arrIdx := rb.GetArrIdxByOffset(frameId - rb.StFrameId)
if -1 != arrIdx {
rb.Eles[arrIdx] = pItem
return RING_BUFF_CONSECUTIVE_SET, oldStFrameId, oldEdFrameId
}
}
// By now "rb.EdFrameId <= frameId"
ret := RING_BUFF_CONSECUTIVE_SET
if oldEdFrameId < frameId {
rb.St, rb.Ed = 0, 0
rb.StFrameId, rb.EdFrameId = frameId, frameId
rb.Cnt = 0
ret = RING_BUFF_NON_CONSECUTIVE_SET
}
// By now "rb.EdFrameId == frameId"
rb.Put(pItem)
return ret, oldStFrameId, oldEdFrameId
}

24
jsexport/battle/room_downsync_frame.go
View File

@@ -50,7 +50,7 @@ type Barrier struct {
Boundary *Polygon2D
}
type MeleeBullet struct {
type Bullet struct {
// for offender
BattleLocalId int32
StartupFrames int32
@@ -75,11 +75,33 @@ type MeleeBullet struct {
HitboxSizeY float64
}
type MeleeBullet struct {
Bullet
}
type FireballBullet struct {
VirtualGridX int32
VirtualGridY int32
DirX int32
DirY int32
VelX int32
VelY int32
Speed int32
Bullet
}
type RoomDownsyncFrame struct {
Id int32
PlayersArr []*PlayerDownsync
CountdownNanos int64
MeleeBullets []*MeleeBullet
FireballBullets []*FireballBullet
BackendUnconfirmedMask uint64
ShouldForceResync bool
}
type InputFrameDownsync struct {
InputFrameId int32
InputList []uint64
ConfirmedList uint64
}

43
jsexport/main.go
View File

@@ -6,6 +6,18 @@ import (
"resolv"
)
func NewInputFrameDownsync(inputFrameId int32, inputList []uint64, confirmedList uint64) *js.Object {
return js.MakeFullWrapper(&InputFrameDownsync{
InputFrameId: inputFrameId,
InputList: inputList,
ConfirmedList: confirmedList,
})
}
func NewRingBufferJs(n int32) *js.Object {
return js.MakeFullWrapper(NewRingBuffer(n))
}
func NewCollisionSpaceJs(spaceW, spaceH, minStepW, minStepH int) *js.Object {
return js.MakeWrapper(resolv.NewSpace(spaceW, spaceH, minStepW, minStepH))
}
@@ -50,31 +62,6 @@ 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{
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{
@@ -114,9 +101,9 @@ func GenerateConvexPolygonColliderJs(unalignedSrc *Polygon2D, spaceOffsetX, spac
return js.MakeFullWrapper(GenerateConvexPolygonCollider(unalignedSrc, spaceOffsetX, spaceOffsetY, data, tag))
}
func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs(delayedInputList, delayedInputListForPrevRenderFrame []uint64, currRenderFrame *RoomDownsyncFrame, collisionSys *resolv.Space, collisionSysMap map[int32]*resolv.Object, gravityX, gravityY, jumpingInitVelY, inputDelayFrames int32, inputScaleFrames uint32, collisionSpaceOffsetX, collisionSpaceOffsetY, snapIntoPlatformOverlap, snapIntoPlatformThreshold, worldToVirtualGridRatio, virtualGridToWorldRatio float64) *js.Object {
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 {
// We need access to all fields of RoomDownsyncFrame for displaying in frontend
return js.MakeFullWrapper(ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(delayedInputList, delayedInputListForPrevRenderFrame, currRenderFrame, collisionSys, collisionSysMap, gravityX, gravityY, jumpingInitVelY, inputDelayFrames, inputScaleFrames, collisionSpaceOffsetX, collisionSpaceOffsetY, snapIntoPlatformOverlap, snapIntoPlatformThreshold, worldToVirtualGridRatio, virtualGridToWorldRatio))
return js.MakeFullWrapper(ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(inputsBuffer, currRenderFrame, collisionSys, collisionSysMap, gravityX, gravityY, jumpingInitVelY, inputDelayFrames, inputScaleFrames, collisionSpaceOffsetX, collisionSpaceOffsetY, snapIntoPlatformOverlap, snapIntoPlatformThreshold, worldToVirtualGridRatio, virtualGridToWorldRatio, playerOpPatternToSkillId))
}
func main() {
@@ -127,6 +114,8 @@ func main() {
"NewPlayerDownsyncJs": NewPlayerDownsyncJs,
"NewRoomDownsyncFrameJs": NewRoomDownsyncFrameJs,
"NewCollisionSpaceJs": NewCollisionSpaceJs,
"NewInputFrameDownsync": NewInputFrameDownsync,
"NewRingBufferJs": NewRingBufferJs,
"GenerateRectColliderJs": GenerateRectColliderJs,
"GenerateConvexPolygonColliderJs": GenerateConvexPolygonColliderJs,
"GetCollisionSpaceObjsJs": GetCollisionSpaceObjsJs,