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 signalDisplayQuery *ecs.Query = ecs.NewQuery(filter.Contains(components.ComDeviceIdentity, components.ComSignalState))

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

}

// 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 signalState *state.SignalState
	//
	signalDisplayQuery.Each(w, func(e *ecs.Entry) {
		if components.ComDeviceIdentity.Get(e).Id == signalId {
			signalState = components.ComSignalState.Get(e)
		}
	})
	//
	if nil == signalState {
		return false
	}
	//
	signalState.Display = display
	//
	return true
}