package device_sys

import (
	"joylink.club/ecs"
	"joylink.club/ecs/filter"
	"joylink.club/rtsssimulation/component"
)

// LightSys 灯控制系统
type LightSys struct {
	query *ecs.Query
}

func NewLightSys() *LightSys {
	return &LightSys{query: ecs.NewQuery(filter.Contains(component.LightDriveType, component.BitStateType))}
}

func (ls *LightSys) Update(w ecs.World) {
	ls.query.Each(w, func(entry *ecs.Entry) {
		//灯驱动
		drive := component.LightDriveType.Get(entry)
		//灯当前状态,true-灯丝有电流，false-灯丝没有电流
		state := component.BitStateType.Get(entry)
		//驱动灯亮或灭
		if drive.Td != state.Val {
			state.Val = drive.Td
		}
	})
}