72 lines
1.3 KiB
Go
72 lines
1.3 KiB
Go
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package system
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import (
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"sync"
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"time"
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"joylink.club/ecs"
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)
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// 外界与world交互请求定义
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type FaceRequest func(w ecs.World) any
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type faceOutcome struct {
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outcome any
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ok bool
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}
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// 外界与world的交互
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type FaceSystem struct {
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req chan FaceRequest
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rsp chan *faceOutcome
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world ecs.World
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//保证与world的交互串行
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locker *sync.Mutex
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}
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func NewFaceSystem(w ecs.World) *FaceSystem {
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return &FaceSystem{req: make(chan FaceRequest), rsp: make(chan *faceOutcome), locker: &sync.Mutex{}, world: w}
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}
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// world 执行
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func (me *FaceSystem) Update(world ecs.World) {
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select {
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case reqFunc := <-me.req:
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{
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response := reqFunc(world)
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if nil != response {
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me.rsp <- &faceOutcome{outcome: response, ok: true}
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} else {
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me.rsp <- &faceOutcome{outcome: nil, ok: false}
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}
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}
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default:
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}
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}
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// 外界调用此方法与world交互
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func (me *FaceSystem) Call(request FaceRequest) (any, bool) {
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if !me.world.Running() {
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return nil, false
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}
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//
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me.locker.Lock()
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defer me.locker.Unlock()
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//
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me.req <- request
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//
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result := <-me.rsp
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return result.outcome, result.ok
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}
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// 获取world当前时间
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func (me *FaceSystem) WorldTime() *time.Time {
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now, ok := me.Call(func(w ecs.World) any {
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return GetWorldNow(w)
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})
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if ok {
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return now.(*time.Time)
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} else {
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return nil
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}
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}
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