package system

import (
	"github.com/yohamta/donburi/filter"
	"joylink.club/ecs"
	"joylink.club/rtsssimulation/components"
	"joylink.club/rtsssimulation/state"
)

type SignalSystem struct {
}

// 信号机显示状态查询
var signalQuery *ecs.Query = ecs.NewQuery(filter.Contains(components.DeviceIdentityComponent, components.SignalStateComponent))

// world 执行
func (me *SignalSystem) Update(world ecs.World) {

}
func NewSignalSystem() *SignalSystem {
	return &SignalSystem{}
}

// 设置某个信号机的显示
// 返回值：true-设置成功，false-设置失败
func SetSignalDisplay(w ecs.World, signalId string, display state.SignalAspect) bool {
	var signalEntry *ecs.Entry
	signalQuery.Each(w, func(e *ecs.Entry) {
		if signalId == components.DeviceIdentityComponent.Get(e).Id {
			signalEntry = e
		}
	})
	//s
	if signalEntry == nil {
		return false
	}
	//
	signalState := components.SignalStateComponent.Get(signalEntry)
	signalState.Display = display
	//
	return true
}