76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package system
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import (
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"time"
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"github.com/yohamta/donburi/filter"
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"joylink.club/ecs"
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)
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var SystemTimerComponent = ecs.NewComponentType[SystemTimer]()
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var timerQuery *ecs.Query = ecs.NewQuery(filter.Contains(SystemTimerComponent))
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// TimerSystem 系统时钟操作
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type TimerSystem struct {
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}
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func NewTimerSystem() *TimerSystem {
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return &TimerSystem{}
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}
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// Update world 执行
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func (me *TimerSystem) Update(w ecs.World) {
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if e, ok := timerQuery.First(w); ok {
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timer := SystemTimerComponent.Get(e)
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timer.Tick(w.Tick())
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}
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}
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// ResetWorldTimer 重置world时间
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func ResetWorldTimer(w ecs.World, time time.Time) {
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if e, ok := timerQuery.First(w); ok {
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timer := SystemTimerComponent.Get(e)
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timer.ResetTime(time)
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}
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}
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// GetWorldNow 获取world当前时间
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func GetWorldNow(w ecs.World) *time.Time {
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if e, ok := timerQuery.First(w); ok {
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timer := SystemTimerComponent.Get(e)
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now := timer.Now()
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return &now
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}
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return nil
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}
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/////////////////////////////////////////////////////////////////
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// SystemTimer 系统时钟，单例
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type SystemTimer struct {
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timer *time.Time
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}
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// NewSystemTimer 以指定时间构建
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func NewSystemTimer(time *time.Time) *SystemTimer {
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return &SystemTimer{
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timer: time,
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}
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}
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// ResetTime 重置时间
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func (me *SystemTimer) ResetTime(time time.Time) {
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*me.timer = time
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}
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// Now 获取当前时间的副本
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func (me *SystemTimer) Now() time.Time {
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return *me.timer
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}
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// Tick tick系统时钟,单位ms
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func (me *SystemTimer) Tick(tick int) {
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*me.timer = me.timer.Add(time.Duration(tick) * time.Millisecond)
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}
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