Test_Project_Cocos/DelayNoMore
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Simplified backend input prediction.

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This commit is contained in:
genxium 2023-01-05 14:07:59 +08:00
parent ab6a04693d
commit 24e980c17f
1 changed files with 7 additions and 12 deletions
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19
battle_srv/models/room.go
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@ -128,7 +128,7 @@ type Room struct {
EffectivePlayerCount int32
DismissalWaitGroup sync.WaitGroup
InputsBuffer *battle.RingBuffer // Indices are STRICTLY consecutive
InputsBufferLock sync.Mutex // Guards [InputsBuffer, LatestPlayerUpsyncedInputFrameId, LastAllConfirmedInputFrameId, LastAllConfirmedInputList, LastAllConfirmedInputFrameIdWithChange]
InputsBufferLock sync.Mutex // Guards [InputsBuffer, LatestPlayerUpsyncedInputFrameId, LastAllConfirmedInputFrameId, LastAllConfirmedInputList, LastAllConfirmedInputFrameIdWithChange, LastIndividuallyConfirmedInputList, player.LastReceivedInputFrameId]
RenderFrameBuffer *battle.RingBuffer // Indices are STRICTLY consecutive
LatestPlayerUpsyncedInputFrameId int32
LastAllConfirmedInputFrameId int32
@ -148,7 +148,8 @@ type Room struct {
TmxPointsMap StrToVec2DListMap
TmxPolygonsMap StrToPolygon2DListMap
rdfIdToActuallyUsedInput map[int32]*pb.InputFrameDownsync
rdfIdToActuallyUsedInput map[int32]*pb.InputFrameDownsync
LastIndividuallyConfirmedInputList []uint64
}
func (pR *Room) updateScore() {
@ -741,6 +742,7 @@ func (pR *Room) OnDismissed() {
pR.RenderFrameBuffer = battle.NewRingBuffer(pR.RenderCacheSize)
pR.InputsBuffer = battle.NewRingBuffer((pR.RenderCacheSize >> 1) + 1)
pR.rdfIdToActuallyUsedInput = make(map[int32]*pb.InputFrameDownsync)
pR.LastIndividuallyConfirmedInputList = make([]uint64, pR.Capacity)
pR.LatestPlayerUpsyncedInputFrameId = -1
pR.LastAllConfirmedInputFrameId = -1
@ -1035,17 +1037,9 @@ func (pR *Room) getOrPrefabInputFrameDownsync(inputFrameId int32) *battle.InputF
}
for i, _ := range currInputFrameDownsync.InputList {
j2 := pR.PlayersArr[i].LastReceivedInputFrameId
if j2 < pR.InputsBuffer.StFrameId {
j2 = pR.InputsBuffer.StFrameId
}
tmp2 := pR.InputsBuffer.GetByFrameId(j2)
if nil != tmp2 {
prevInputFrameDownsync := tmp2.(*battle.InputFrameDownsync)
currInputFrameDownsync.InputList[i] = prevInputFrameDownsync.InputList[i]
}
// [WARNING] The use of "InputsBufferLock" guarantees that by now "inputFrameId >= pR.InputsBuffer.EdFrameId >= pR.LatestPlayerUpsyncedInputFrameId", thus it's safe to use "pR.LastIndividuallyConfirmedInputList" for prediction.
// Don't predict "btnA & btnB"!
currInputFrameDownsync.InputList[i] = (currInputFrameDownsync.InputList[i] & uint64(15))
currInputFrameDownsync.InputList[i] = (pR.LastIndividuallyConfirmedInputList[i] & uint64(15))
}
pR.InputsBuffer.Put(currInputFrameDownsync)
@ -1081,6 +1075,7 @@ func (pR *Room) markConfirmationIfApplicable(inputFrameUpsyncBatch []*pb.InputFr
targetInputFrameDownsync.ConfirmedList |= uint64(1 << uint32(player.JoinIndex-1))
player.LastReceivedInputFrameId = clientInputFrameId
pR.LastIndividuallyConfirmedInputList[player.JoinIndex-1] = inputFrameUpsync.Encoded
if clientInputFrameId > pR.LatestPlayerUpsyncedInputFrameId {
pR.LatestPlayerUpsyncedInputFrameId = clientInputFrameId