Test_Project_Cocos/DelayNoMore
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Fixes for backend Golang select-multi-channel implementation.

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This commit is contained in:
genxium 2023-02-21 22:07:48 +08:00
parent c78c480f99
commit 7b878ff947
2 changed files with 10 additions and 3 deletions
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7
battle_srv/main.go
View File

@ -25,9 +25,16 @@ import (
"go.uber.org/zap" "go.uber.org/zap"
"net" "net"
// _ "net/http/pprof"
) )
func main() { func main() {
/*
// Only used for profiling
go func() {
http.ListenAndServe("0.0.0.0:6060", nil)
}()
*/
MustParseConfig() MustParseConfig()
MustParseConstants() MustParseConstants()
storage.Init() storage.Init()

6
battle_srv/models/room.go
View File

@ -483,7 +483,7 @@ func (pR *Room) StartBattle() {
*/ */
totalElapsedNanos := utils.UnixtimeNano() - battleStartedAt totalElapsedNanos := utils.UnixtimeNano() - battleStartedAt
nextRenderFrameId := int32((totalElapsedNanos + pR.dilutedRollbackEstimatedDtNanos - 1) / pR.dilutedRollbackEstimatedDtNanos) // fast ceiling nextRenderFrameId := int32((totalElapsedNanos + pR.dilutedRollbackEstimatedDtNanos - 1) / pR.dilutedRollbackEstimatedDtNanos) // fast ceiling
toSleepNanos := int64(0) toSleepNanos := int64(pR.dilutedRollbackEstimatedDtNanos >> 1) // Sleep half-frame time by default
if nextRenderFrameId > pR.RenderFrameId { if nextRenderFrameId > pR.RenderFrameId {
if 0 == pR.RenderFrameId { if 0 == pR.RenderFrameId {
// It's important to send kickoff frame iff "0 == pR.RenderFrameId && nextRenderFrameId > pR.RenderFrameId", otherwise it might send duplicate kickoff frames // It's important to send kickoff frame iff "0 == pR.RenderFrameId && nextRenderFrameId > pR.RenderFrameId", otherwise it might send duplicate kickoff frames
@ -515,7 +515,7 @@ func (pR *Room) StartBattle() {
pR.LastRenderFrameIdTriggeredAt = utils.UnixtimeNano() pR.LastRenderFrameIdTriggeredAt = utils.UnixtimeNano()
elapsedInCalculation := (utils.UnixtimeNano() - stCalculation) elapsedInCalculation := (utils.UnixtimeNano() - stCalculation)
toSleepNanos = pR.dilutedRollbackEstimatedDtNanos - elapsedInCalculation // don't sleep if "nextRenderFrame == pR.RenderFrameId" toSleepNanos = pR.dilutedRollbackEstimatedDtNanos - elapsedInCalculation
if elapsedInCalculation > pR.RollbackEstimatedDtNanos { if elapsedInCalculation > pR.RollbackEstimatedDtNanos {
Logger.Warn(fmt.Sprintf("SLOW FRAME! Elapsed time statistics: roomId=%v, room.RenderFrameId=%v, elapsedInCalculation=%v ns, dynamicsDuration=%v ns, RollbackEstimatedDtNanos=%v, dilutedRollbackEstimatedDtNanos=%v", pR.Id, pR.RenderFrameId, elapsedInCalculation, dynamicsDuration, pR.RollbackEstimatedDtNanos, pR.dilutedRollbackEstimatedDtNanos)) Logger.Warn(fmt.Sprintf("SLOW FRAME! Elapsed time statistics: roomId=%v, room.RenderFrameId=%v, elapsedInCalculation=%v ns, dynamicsDuration=%v ns, RollbackEstimatedDtNanos=%v, dilutedRollbackEstimatedDtNanos=%v", pR.Id, pR.RenderFrameId, elapsedInCalculation, dynamicsDuration, pR.RollbackEstimatedDtNanos, pR.dilutedRollbackEstimatedDtNanos))
} }
@ -544,13 +544,13 @@ func (pR *Room) StartBattle() {
} }
select { select {
// [WARNING] DON'T put a "default" block here! Otherwise "for { select {... default: } }" pattern would NEVER block on empty channel and thus consume a lot of CPU time unnecessarily!
case inputsBufferSnapshot := <-playerDownsyncChan: case inputsBufferSnapshot := <-playerDownsyncChan:
pR.downsyncToSinglePlayer(playerId, player, inputsBufferSnapshot.RefRenderFrameId, inputsBufferSnapshot.UnconfirmedMask, inputsBufferSnapshot.ToSendInputFrameDownsyncs, inputsBufferSnapshot.ShouldForceResync) pR.downsyncToSinglePlayer(playerId, player, inputsBufferSnapshot.RefRenderFrameId, inputsBufferSnapshot.UnconfirmedMask, inputsBufferSnapshot.ToSendInputFrameDownsyncs, inputsBufferSnapshot.ShouldForceResync)
//Logger.Info(fmt.Sprintf("Sent inputsBufferSnapshot(refRenderFrameId:%d, unconfirmedMask:%v) to for (roomId: %d, playerId:%d)#2", inputsBufferSnapshot.RefRenderFrameId, inputsBufferSnapshot.UnconfirmedMask, pR.Id, playerId)) //Logger.Info(fmt.Sprintf("Sent inputsBufferSnapshot(refRenderFrameId:%d, unconfirmedMask:%v) to for (roomId: %d, playerId:%d)#2", inputsBufferSnapshot.RefRenderFrameId, inputsBufferSnapshot.UnconfirmedMask, pR.Id, playerId))
case inputsBufferSnapshot2 := <-playerSecondaryDownsyncChan: case inputsBufferSnapshot2 := <-playerSecondaryDownsyncChan:
pR.downsyncPeerInputFrameUpsyncToSinglePlayer(playerId, player, inputsBufferSnapshot2.ToSendInputFrameDownsyncs, inputsBufferSnapshot2.PeerJoinIndex) pR.downsyncPeerInputFrameUpsyncToSinglePlayer(playerId, player, inputsBufferSnapshot2.ToSendInputFrameDownsyncs, inputsBufferSnapshot2.PeerJoinIndex)
//Logger.Info(fmt.Sprintf("Sent secondary inputsBufferSnapshot to for (roomId: %d, playerId:%d)#2", pR.Id, playerId)) //Logger.Info(fmt.Sprintf("Sent secondary inputsBufferSnapshot to for (roomId: %d, playerId:%d)#2", pR.Id, playerId))
default:
} }
} }
} }