rts-sim-module/system/system.go

package system

import (
	"fmt"

	"github.com/yohamta/donburi/component"
	"github.com/yohamta/donburi/filter"
	"joylink.club/ecs"
	"joylink.club/rtsssimulation/umi"
)

// EntityIdentity 实体身份定义
type EntityIdentity struct {
	Id string
}

// EntityIdentityComponent 实体身份组件
var EntityIdentityComponent = ecs.NewComponentType[EntityIdentity]()

func FindEntityById(world ecs.World, id string) *ecs.Entry {
	query := ecs.NewQuery(filter.Contains(EntityIdentityComponent))
	return QueryEntityById(world, query, id)
}
func QueryEntityById(world ecs.World, q *ecs.Query, id string) *ecs.Entry {
	var entry *ecs.Entry = nil
	func() {
		defer simpleRecover()
		q.Each(world, func(e *ecs.Entry) {
			if id == EntityIdentityComponent.Get(e).Id {
				entry = e
				panic(fmt.Sprintf("找到实体[%s]，结束查找", id))
			}
		})
	}()
	//
	return entry
}

var modelStorageQuery = ecs.NewQuery(filter.Contains(ModelStorageComponent))

// FindModelStorage 获取模型仓库
func FindModelStorage(world ecs.World) umi.IModelManager {
	e, _ := modelStorageQuery.First(world)
	return ModelStorageComponent.Get(e).ModelManager
}

// 捕获panic并恢复执行
func simpleRecover() {
	recover()
}

/////////////////////////////////////////////////////////

// 实体标签
type EntityTag = component.IComponentType

type EntityTagHandler struct {
	Tag EntityTag
}

/////////////////////////////////////////////////////////

// 模型仓库引用
// 用于world内使用，查询模型
type ModelStorageRef struct {
	ModelManager umi.IModelManager
}

// 模型仓库组件
var ModelStorageComponent = ecs.NewComponentType[ModelStorageRef]()