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runtime_event_timer.go
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runtime_event_timer.go
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// Copyright 2023 Deflinhec
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package runtimelua
import (
"sync/atomic"
"time"
lua "github.com/yuin/gopher-lua"
)
type TimerEvent struct {
EventType
value uint32
Delay, Period time.Duration
}
func (e *TimerEvent) Load() bool {
return atomic.LoadUint32(&e.value) == 1
}
func (e *TimerEvent) Store(value bool) {
if value {
atomic.StoreUint32(&e.value, uint32(1))
} else {
atomic.StoreUint32(&e.value, uint32(0))
}
}
func (e *TimerEvent) Valid() bool {
return e.Load()
}
func (e *TimerEvent) Continue() bool {
if !e.Load() {
return false
}
return e.Delay > 0
}
func (e *TimerEvent) Update(elapse time.Duration, l *lua.LState) error {
e.Delay -= elapse
if e.Delay > 0 {
return nil
}
e.Delay = e.Period
return nil
}
func (e *TimerEvent) Stop() {
e.Store(false)
}