tanqiu/assets/scripts/CombatSystem/BlockSelection/GameBlockSelection.ts

import { _decorator, Component, Node, Button, Label, find, EventTouch, Vec2, Vec3, UITransform, Rect, Collider2D, Graphics, Color, JsonAsset } from 'cc';
import { LevelSessionManager } from '../../Core/LevelSessionManager';
import { BallController } from '../BallController';
import { BlockManager } from '../BlockManager';
import { ConfigManager } from '../../Core/ConfigManager';
import { BlockTag } from './BlockTag';
import { WeaponInfo } from './WeaponInfo';
import { SkillManager } from '../SkillSelection/SkillManager';
import { Audio } from '../../AudioManager/AudioManager';

import EventBus, { GameEvents } from '../../Core/EventBus';
const { ccclass, property } = _decorator;

@ccclass('GameBlockSelection')
export class GameBlockSelection extends Component {
    
    @property({
        type: Node,
        tooltip: '拖拽diban/ann001按钮节点到这里'
    })
     public addBallButton: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽diban/ann002按钮节点到这里'
    })
    public addCoinButton: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽diban/ann003按钮节点到这里'
    })
    public refreshButton: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas-001/TopArea/CoinNode/CoinLabel节点到这里'
    })
    public coinLabelNode: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas/GameLevelUI/BallController节点到这里'
    })
    public ballControllerNode: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas/GameLevelUI/BlockController节点到这里'
    })
    public blockManagerNode: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas/GameLevelUI/GameArea/GridContainer节点到这里'
    })
    public gridContainer: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽confirm按钮节点到这里'
    })
    public confirmButton: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas/GameLevelUI/InGameManager节点到这里'
    })
    public inGameManagerNode: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas/Camera节点到这里'
    })
    public cameraNode: Node = null;

    // 武器配置JsonAsset - 通过装饰器预加载
    @property({
        type: JsonAsset,
        tooltip: '拖拽weapons.json文件到这里，实现配置预加载'
    })
    public weaponsConfig: JsonAsset = null;

    // 常量定义
    private readonly ADD_BALL_COST = 80;
    private readonly ADD_COIN_AMOUNT = 80;
    private readonly REFRESH_COST = 5;

    private session: LevelSessionManager = null;
    private ballController: BallController = null;
    private blockManager: BlockManager = null;

    // 回调函数，用于通知GameManager
    public onConfirmCallback: () => void = null;
    
    // 标记是否已初始化
    private isInitialized: boolean = false;
    
    // 标记是否应该生成方块（只有在onBattle触发后才为true）
    private shouldGenerateBlocks: boolean = false;
    
    // 用户操作方块相关属性
    private currentDragBlock: Node | null = null;
    private startPos = new Vec2();
    private blockStartPos: Vec3 = new Vec3();
    
    // 调试绘制相关属性
    @property({
        tooltip: '是否启用吸附检测范围调试绘制'
    })
    public debugDrawSnapRange: boolean = false;
    
    private debugDrawNode: Node = null;
    private debugGraphics: Graphics = null;

    onEnable() {
        // 如果还未初始化，则进行初始化
        if (!this.isInitialized) {
            this.initializeComponent();
        } else {
            // 如果已经初始化，重新设置事件监听器（因为onDisable时会移除）
            this.setupEventListeners();
        }
        // this.initDebugDraw();
    }

    start() {
        // 如果还未初始化，则进行初始化
        if (!this.isInitialized) {
            this.initializeComponent();
        }
    }
    
    private initializeComponent() {        
        // 获取管理器实例
        this.session = LevelSessionManager.inst;
        // 获取BallController
        if (this.ballControllerNode) {
            this.ballController = this.ballControllerNode.getComponent(BallController);
        } else {
            console.warn('BallController节点未绑定，请在Inspector中拖拽Canvas/GameLevelUI/BallController节点');
        }

        // 获取BlockManager
        if (this.blockManagerNode) {
            this.blockManager = this.blockManagerNode.getComponent(BlockManager);
            
            // 如果武器配置已通过装饰器预加载，直接传递给BlockManager
            if (this.weaponsConfig && this.weaponsConfig.json) {
                // 通过公共方法将预加载的配置传递给BlockManager
                if (this.blockManager && typeof this.blockManager.setPreloadedWeaponsConfig === 'function') {
                    this.blockManager.setPreloadedWeaponsConfig(this.weaponsConfig.json);
                } else {
                    console.warn('[GameBlockSelection] BlockManager不支持setPreloadedWeaponsConfig方法');
                }
            } else {
                console.warn('[GameBlockSelection] 武器配置未预加载，请在Inspector中拖拽weapons.json文件到weaponsConfig属性');
            }
        } else {
            console.warn('BlockManager节点未绑定，请在Inspector中拖拽Canvas/GameLevelUI/BlockController节点');
        }



        // 如果没有指定coinLabelNode，尝试找到它
        if (!this.coinLabelNode) {
            this.coinLabelNode = find('Canvas-001/TopArea/CoinNode/CoinLabel');
        }

        // 初始化金币显示
        this.updateCoinDisplay();

        // 绑定按钮事件
        this.bindButtonEvents();
        
        // 设置事件监听器
        this.setupEventListeners();
        
        // 标记为已初始化
        this.isInitialized = true;
        
        // 初始化完成
    }

    // 设置事件监听器
    private setupEventListeners() {
        const eventBus = EventBus.getInstance();
        
        // 监听重置方块选择事件
        eventBus.on(GameEvents.RESET_BLOCK_SELECTION, this.onResetBlockSelectionEvent, this);
        // 监听游戏开始事件，用于标记可以开始生成方块
        eventBus.on(GameEvents.GAME_START, this.onGameStartEvent, this);
        
        // 监听方块拖拽事件设置请求
        eventBus.on(GameEvents.SETUP_BLOCK_DRAG_EVENTS, this.onSetupBlockDragEventsEvent, this);
    }
    
    // 处理重置方块选择事件
    private onResetBlockSelectionEvent() {
        this.resetSelection();
    }
    // 处理游戏开始事件
    private onGameStartEvent() {
        // 接收到游戏开始事件，允许生成方块
        this.shouldGenerateBlocks = true;
    }
    
    // 处理方块拖拽事件设置请求
    private onSetupBlockDragEventsEvent(blocks: Node[]) {        
        // 确保组件仍然有效
        if (!this.node || !this.node.isValid) {
            console.warn('[GameBlockSelection] 组件节点无效，跳过拖拽事件设置');
            return;
        }
        
        for (const block of blocks) {
            if (block && block.isValid) {
                // 先移除可能存在的旧事件监听器
                block.off(Node.EventType.TOUCH_START);
                block.off(Node.EventType.TOUCH_MOVE);
                block.off(Node.EventType.TOUCH_END);
                block.off(Node.EventType.TOUCH_CANCEL);
                
                // 重新设置拖拽事件
                this.setupBlockDragEvents(block);
            } else {
                // 跳过无效方块的拖拽事件设置
            }
        }
    }
    
    // 绑定按钮事件
    private bindButtonEvents() {
        // 绑定新增小球按钮
        if (this.addBallButton) {
            const btn = this.addBallButton.getComponent(Button);
            if (btn) {
                this.addBallButton.on(Button.EventType.CLICK, this.onAddBallClicked, this);
            } else {
                this.addBallButton.on(Node.EventType.TOUCH_END, this.onAddBallClicked, this);
            }
        }

        // 绑定增加金币按钮
        if (this.addCoinButton) {
            const btn = this.addCoinButton.getComponent(Button);
            if (btn) {
                this.addCoinButton.on(Button.EventType.CLICK, this.onAddCoinClicked, this);
            } else {
                this.addCoinButton.on(Node.EventType.TOUCH_END, this.onAddCoinClicked, this);
            }
        }

        // 绑定刷新方块按钮
        if (this.refreshButton) {
            const btn = this.refreshButton.getComponent(Button);
            if (btn) {
                this.refreshButton.on(Button.EventType.CLICK, this.onRefreshClicked, this);
            } else {
                this.refreshButton.on(Node.EventType.TOUCH_END, this.onRefreshClicked, this);
            }
        }

        // 绑定确认按钮
        if (this.confirmButton) {
            const btn = this.confirmButton.getComponent(Button);
            if (btn) {
                this.confirmButton.on(Button.EventType.CLICK, this.onConfirmButtonClicked, this);
            } else {
                this.confirmButton.on(Node.EventType.TOUCH_END, this.onConfirmButtonClicked, this);
            }
        }
    }

    // 新增小球按钮点击
    private onAddBallClicked() {
        // 播放UI点击音效
        Audio.playUISound('data/弹球音效/ui play');
        // 应用便宜技能效果计算实际费用
        const actualCost = this.getActualCost(this.ADD_BALL_COST);
        
        if (!this.canSpendCoins(actualCost)) {
            this.showInsufficientCoinsUI();
            return;
        }

        // 扣除金币
        if (this.session.spendCoins(actualCost)) {
            this.updateCoinDisplay();
            
            // 通过事件系统创建新的小球
            const eventBus = EventBus.getInstance();
            eventBus.emit(GameEvents.BALL_CREATE_ADDITIONAL);
            // 新增小球成功
        }
    }

    // 增加金币按钮点击
    private onAddCoinClicked() {
        // 播放UI点击音效
        Audio.playUISound('data/弹球音效/ui play');
        // 免费增加金币（模拟看广告获得奖励）
        const coinsToAdd = 80; // 免费获得的金币数量
        this.session.addCoins(coinsToAdd);        
        // 更新显示
        this.updateCoinDisplay();
    }

    // 刷新方块按钮点击
    private onRefreshClicked() {
        // 播放UI点击音效
        Audio.playUISound('data/弹球音效/ui play');
        // 应用便宜技能效果计算实际费用
        const actualCost = this.getActualCost(this.REFRESH_COST);
        
        if (!this.canSpendCoins(actualCost)) {
            this.showInsufficientCoinsUI();
            return;
        }

        // 扣除金币
        if (this.session.spendCoins(actualCost)) {
            // 成功扣除金币
            this.updateCoinDisplay();
            
            // 刷新方块
            if (this.blockManager) {
                console.log('[GameBlockSelection] 开始刷新方块流程');
                
                // 找到PlacedBlocks容器
                const placedBlocksContainer = find('Canvas/GameLevelUI/PlacedBlocks');
                if (placedBlocksContainer) {
                    // 移除已放置方块的标签
                    // 移除已放置方块的标签
                    BlockTag.removeTagsInContainer(placedBlocksContainer);
                }
                
                // 刷新方块
                // 调用 blockManager.refreshBlocks()
                this.blockManager.refreshBlocks();
                
                // 等待一帧确保方块生成完成
                this.scheduleOnce(() => {
                }, 0.1);
            } else {
                console.error('[GameBlockSelection] 找不到BlockManager，无法刷新方块');
            }
        } else {
            console.error('[GameBlockSelection] 扣除金币失败');
        }
    }

    // 确认按钮点击
    public onConfirmButtonClicked() {
        // 检查是否有上阵方块
        const hasBlocks = this.hasPlacedBlocks();        
        if (!hasBlocks) {
            this.showNoPlacedBlocksToast();
            return;
        }
        
        // 播放UI音效
        Audio.playUISound('data/弹球音效/ui play');
        
        // 保存已放置的方块
        this.preservePlacedBlocks();
        
        // 清理kuang区域的方块（用户期望的行为）
        if (this.blockManager) {
            this.blockManager.clearBlocks();
            console.log('[GameBlockSelection] 已清理kuang区域的方块');
        }

        // 先回调通知GameManager，让它处理波次逻辑
        if (this.onConfirmCallback) {
            this.onConfirmCallback();
        }
        
        // 播放下滑diban动画，结束备战进入playing状态
        this.playDibanSlideDownAnimation();
    }
    
    // 播放diban下滑动画
    private playDibanSlideDownAnimation() {
        // 开始播放diban下滑动画
        
        // 使用装饰器属性获取Camera节点上的GameStartMove组件
        if (!this.cameraNode) {
            console.warn('[GameBlockSelection] Camera节点未设置，请在Inspector中拖拽Canvas/Camera节点');
            return;
        }
        
        const gameStartMove = this.cameraNode.getComponent('GameStartMove');
        if (!gameStartMove) {
            console.warn('[GameBlockSelection] GameStartMove组件未找到');
            return;
        }
        
        // 调用GameStartMove的下滑动画方法
        (gameStartMove as any).slideDibanDownAndHide(0.3);
        
        // 已调用GameStartMove的diban下滑动画
    }

    // 保存已放置的方块（从GameManager迁移）
    private preservePlacedBlocks() {
        if (this.blockManager) {
            this.blockManager.onGameStart();
        }
    }

    // 检查是否有足够金币
    private canSpendCoins(amount: number): boolean {
        return this.session.getCoins() >= amount;
    }

    // 计算应用便宜技能效果后的实际费用
    private getActualCost(baseCost: number): number {
        const skillManager = SkillManager.getInstance();
        if (skillManager) {
            const cheaperSkillLevel = skillManager.getSkillLevel('cheaper_units');
            return Math.ceil(SkillManager.calculateCheaperUnitsPrice(baseCost, cheaperSkillLevel));
        }
        return baseCost;
    }

    // 更新金币显示
    private updateCoinDisplay() {
        if (this.coinLabelNode) {
            const label = this.coinLabelNode.getComponent(Label);
            if (label) {
                const coins = this.session.getCoins();
                label.string = coins.toString();
                // 更新金币显示
            } else {
                console.warn('[GameBlockSelection] coinLabelNode缺少Label组件');
            }
        } else {
            console.warn('[GameBlockSelection] coinLabelNode未找到');
        }
    }

    // 显示金币不足UI
    private showInsufficientCoinsUI() {
        // 使用事件机制显示Toast
        EventBus.getInstance().emit(GameEvents.SHOW_TOAST, {
            message: '金币不足！',
            duration: 3.0
        });
        
        // 金币不足
    }

    // === 公共方法：供GameManager调用 ===

    // 生成方块选择（不再控制UI显示，只负责生成方块）
    public generateBlockSelection() {
        // 直接生成方块，不再依赖shouldGenerateBlocks标志
        if (this.blockManager) {
            this.blockManager.refreshBlocks();
        } else {
            console.warn('[GameBlockSelection] BlockManager未找到，无法生成随机方块');
        }

        // 触发进入备战状态事件
        EventBus.getInstance().emit(GameEvents.ENTER_BATTLE_PREPARATION);
    }

   



    // 设置确认回调
    public setConfirmCallback(callback: () => void) {
        this.onConfirmCallback = callback;
    }

    // 统一的方块占用情况刷新方法
    public refreshGridOccupation() {
        if (this.blockManager) {
             this.blockManager.resetGridOccupation();
            
            // 重新计算所有已放置方块的占用情况
            const placedBlocksContainer = find('Canvas/GameLevelUI/PlacedBlocks');
            if (placedBlocksContainer) {
                for (let i = 0; i < placedBlocksContainer.children.length; i++) {
                    const block = placedBlocksContainer.children[i];
                    
                    // 按照BlockManager.tryPlaceBlockToGrid的正确方法获取位置
                    let b1Node = block;
                    if (block.name !== 'B1') {
                        b1Node = block.getChildByName('B1');
                        if (!b1Node) {
                            console.warn(`[GameBlockSelection] 方块 ${block.name} 没有B1子节点`);
                            continue;
                        }
                    }
                    
                    // 获取B1节点的世界坐标，然后转换为网格本地坐标
                    const b1WorldPos = b1Node.parent.getComponent(UITransform).convertToWorldSpaceAR(b1Node.position);
                    const gridPos = this.blockManager.gridContainer.getComponent(UITransform).convertToNodeSpaceAR(b1WorldPos);
                    
                    // 重新标记方块占用的网格位置
                    const gridNode = this.blockManager.findNearestGridNode(gridPos);
                    if (gridNode) {
                        this.blockManager.markOccupiedPositions(block, gridNode);
                    } else {
                        console.warn(`[GameBlockSelection] 方块 ${block.name} 未找到对应的网格节点`);
                    }
                }
            }
        } else {
            console.warn('[GameBlockSelection] BlockManager未找到，无法刷新占用情况');
        }
        
        this.blockManager.printGridOccupationMatrix();
    }

    // 重置方块选择状态
    public resetSelection() {
        // 重置方块生成标志，等待下次onBattle触发
        this.shouldGenerateBlocks = false;
        
        // 注意：不再直接调用blockManager.onGameReset()，因为StartGame.clearGameStates()
        // 已经通过RESET_BLOCK_MANAGER事件触发了BlockManager的重置，避免重复生成方块
        
        // 清理所有方块标签
        BlockTag.clearAllTags();
    
        // 更新金币显示
        this.updateCoinDisplay();
    }

    // 检查是否有上阵方块
    private hasPlacedBlocks(): boolean {
        // 优先使用BlockManager的方法检查
        if (this.blockManager) {
            return this.blockManager.hasPlacedBlocks();
        }
        
        // 备用方案：直接检查PlacedBlocks容器
        const placedBlocksContainer = find('Canvas/GameLevelUI/PlacedBlocks');
        if (!placedBlocksContainer) {
            console.warn('找不到PlacedBlocks容器');
            return false;
        }
        
        // 检查容器中是否有子节点（方块）
        return placedBlocksContainer.children.length > 0;
    }

    // 显示没有上阵方块的Toast提示
    private showNoPlacedBlocksToast() {
        // 使用事件机制显示Toast
        EventBus.getInstance().emit(GameEvents.SHOW_TOAST, {
            message: '请至少上阵一个植物！',
            duration: 3.0
        });
    }
    
    // 设置方块拖拽事件
    public setupBlockDragEvents(block: Node) {
        block.on(Node.EventType.TOUCH_START, (event: EventTouch) => {
            // 检查游戏是否已开始
            if (!this.blockManager.gameStarted) {
                return;
            }
            
            // 只对grid区域的方块检查移动限制，kuang区域的方块可以自由拖拽
            const blockLocation = this.blockManager.blockLocations.get(block);
            
            // grid区域的方块目前允许自由移动
            
            this.currentDragBlock = block;
            this.startPos = event.getUILocation();
            this.blockStartPos.set(block.position);
            this.currentDragBlock['startLocation'] = blockLocation;
            
            // 如果方块在grid区域，拿起时清除其占用状态
            if (blockLocation === 'grid') {
                this.blockManager.clearOccupiedPositions(block);
                // 输出更新后的占用情况
                this.blockManager.printGridOccupationMatrix();
            }
            
            // 设置拖动状态，隐藏价格标签
            block['isDragging'] = true;
            
            block.setSiblingIndex(block.parent.children.length - 1);
            // 拖拽开始时禁用碰撞体
            const collider = block.getComponent(Collider2D);
            if (collider) collider.enabled = false;
        }, this);
        
        block.on(Node.EventType.TOUCH_MOVE, (event: EventTouch) => {
            // 检查游戏是否已开始
            if (!this.blockManager.gameStarted) {
                return;
            }
            
            // 只对grid区域的方块检查移动限制，kuang区域的方块可以自由拖拽
            const blockLocation = this.blockManager.blockLocations.get(block);
            
            // grid区域的方块目前允许自由移动
            
            if (!this.currentDragBlock) return;
            
            const location = event.getUILocation();
            const deltaX = location.x - this.startPos.x;
            const deltaY = location.y - this.startPos.y;
            
            this.currentDragBlock.position = new Vec3(
                this.blockStartPos.x + deltaX,
                this.blockStartPos.y + deltaY,
                this.blockStartPos.z
            );
        }, this);
        
        block.on(Node.EventType.TOUCH_END, async (event: EventTouch) => {
            // 检查游戏是否已开始
            if (!this.blockManager.gameStarted) {
                return;
            }
            
            // 只对grid区域的方块检查移动限制，kuang区域的方块可以自由拖拽
            const blockLocation = this.blockManager.blockLocations.get(block);
            
            // grid区域的方块目前允许自由移动
            
            if (this.currentDragBlock) {
                try {
                    await this.handleBlockDrop(event);
                } catch (error) {
                    console.error('[GameBlockSelection] 处理方块拖拽放置时发生错误:', error);
                    // 发生错误时，将方块返回原位置
                    this.returnBlockToOriginalPosition();
                }
                
                // 清除拖动状态，恢复价格标签显示
                block['isDragging'] = false;
                
                this.currentDragBlock = null;
                // 拖拽结束时恢复碰撞体
                const collider = block.getComponent(Collider2D);
                if (collider) collider.enabled = true;
            }
        }, this);
        
        block.on(Node.EventType.TOUCH_CANCEL, () => {
            if (this.currentDragBlock) {
                this.returnBlockToOriginalPosition();
                
                // 清除拖动状态，恢复价格标签显示
                block['isDragging'] = false;
                
                this.currentDragBlock = null;
                // 拖拽取消时恢复碰撞体
                const collider = block.getComponent(Collider2D);
                if (collider) collider.enabled = true;
                

            }
        }, this);
    }
    
    // 处理方块放下
    private async handleBlockDrop(event: EventTouch) {
        try {
            const touchPos = event.getLocation();
            const startLocation = this.currentDragBlock['startLocation'];
            
            if (this.isInKuangArea(touchPos)) {
                // 检查是否有标签，只有有标签的方块才能放回kuang
                if (BlockTag.hasTag(this.currentDragBlock)) {
                    this.returnBlockToKuang(startLocation);
                } else {
                    // 没有标签的方块不能放回kuang，返回原位置
                    this.returnBlockToOriginalPosition();
                }
            } else if (this.blockManager.tryPlaceBlockToGrid(this.currentDragBlock)) {
                await this.handleSuccessfulPlacement(startLocation);
            } else {
                // 放置失败，尝试直接与重叠方块合成
                if (this.blockManager.tryMergeOnOverlap(this.currentDragBlock)) {
                    // 合成成功时，若来自 kuang 则扣费
                    if (startLocation !== 'grid') {
                        const price = this.blockManager.getBlockPrice(this.currentDragBlock);
                        this.blockManager.deductPlayerCoins(price);
                    }
                    // 当前拖拽块已被销毁（合并时），无需复位
                } else {
                    this.returnBlockToOriginalPosition();
                }
            }
        } catch (error) {
            console.error('[GameBlockSelection] handleBlockDrop 发生错误:', error);
            // 发生错误时，将方块返回原位置
            this.returnBlockToOriginalPosition();
            throw error; // 重新抛出错误，让上层处理
        }
        // 刷新方块占用情况
        this.refreshGridOccupation();
    }
    
    // 检查是否在kuang区域内
    private isInKuangArea(touchPos: Vec2): boolean {
        // 检查是否在任何一个Block容器区域内
        const blockContainers = [
            this.blockManager.block1Container,
            this.blockManager.block2Container,
            this.blockManager.block3Container
        ];
        
        for (const container of blockContainers) {
            if (container) {
                const transform = container.getComponent(UITransform);
                if (transform) {
                    const boundingBox = new Rect(
                        container.worldPosition.x - transform.width * transform.anchorX,
                        container.worldPosition.y - transform.height * transform.anchorY,
                        transform.width,
                        transform.height
                    );
                    
                    if (boundingBox.contains(new Vec2(touchPos.x, touchPos.y))) {
                        return true;
                    }
                }
            }
        }
        
        // 如果Block容器都不可用，回退到检查kuang容器
        if (this.blockManager.kuangContainer) {
            const kuangTransform = this.blockManager.kuangContainer.getComponent(UITransform);
            if (kuangTransform) {
                const kuangBoundingBox = new Rect(
                    this.blockManager.kuangContainer.worldPosition.x - kuangTransform.width * kuangTransform.anchorX,
                    this.blockManager.kuangContainer.worldPosition.y - kuangTransform.height * kuangTransform.anchorY,
                    kuangTransform.width,
                    kuangTransform.height
                );
                
                return kuangBoundingBox.contains(new Vec2(touchPos.x, touchPos.y));
            }
        }
        
        return false;
    }
    
    // 返回方块到对应的Block容器区域
    private returnBlockToKuang(startLocation: string) {
        const originalPos = this.blockManager.originalPositions.get(this.currentDragBlock);
        const blockLocation = this.blockManager.blockLocations.get(this.currentDragBlock);
        
        if (originalPos) {
            // 根据方块的原始位置确定应该返回到哪个Block容器
            let targetContainer: Node = null;
            let targetLocation = 'kuang'; // 默认位置
            
            if (blockLocation && blockLocation.startsWith('block')) {
                // 如果方块原本在Block容器中，返回到对应的容器
                if (blockLocation === 'block1') {
                    targetContainer = this.blockManager.block1Container;
                    targetLocation = 'block1';
                } else if (blockLocation === 'block2') {
                    targetContainer = this.blockManager.block2Container;
                    targetLocation = 'block2';
                } else if (blockLocation === 'block3') {
                    targetContainer = this.blockManager.block3Container;
                    targetLocation = 'block3';
                }
            }
            
            // 如果没有找到对应的Block容器，回退到kuang容器
            if (!targetContainer) {
                targetContainer = this.blockManager.kuangContainer;
                targetLocation = 'kuang';
            }
            
            if (targetContainer && this.currentDragBlock.parent !== targetContainer) {
                this.currentDragBlock.removeFromParent();
                targetContainer.addChild(this.currentDragBlock);
            }
            
            this.currentDragBlock.position = originalPos.clone();
            this.blockManager.blockLocations.set(this.currentDragBlock, targetLocation);
        }
        
        this.blockManager.showPriceLabel(this.currentDragBlock);
        
        // 当方块返回kuang区域时，重新设置植物图标缩放至0.4倍
        const weaponNode = this.findWeaponNodeInBlock(this.currentDragBlock);
        if (weaponNode) {
            weaponNode.setScale(0.4, 0.4, 1);
            // 方块返回kuang区域，设置植物图标缩放: 0.4倍
        }
        
        if (startLocation === 'grid') {
            const price = this.blockManager.getBlockPrice(this.currentDragBlock);
            this.blockManager.refundPlayerCoins(price);
            this.currentDragBlock['placedBefore'] = false;
        }
        
        // 显示对应的db标签节点
        this.showDbNodeByBlockLocation(this.currentDragBlock);
    }
    
    /**
     * 为方块的武器节点添加武器信息组件
     * @param block 方块节点
     */
    private attachWeaponInfoToBlock(block: Node): void {
        try {
            // 查找方块中的Weapon节点
            const weaponNode = this.findWeaponNodeInBlock(block);
            if (!weaponNode) {
                console.warn(`[GameBlockSelection] 方块 ${block.name} 中未找到Weapon节点，无法添加武器信息组件`);
                return;
            }
            
            // 检查是否已经有WeaponInfo组件
            let weaponInfo = weaponNode.getComponent(WeaponInfo);
            if (weaponInfo) {
                return;
            }
            
            // 添加WeaponInfo组件
            weaponInfo = weaponNode.addComponent(WeaponInfo);
            
            // 获取方块的武器配置
            const weaponConfig = this.blockManager.getBlockWeaponConfig(block);
            if (weaponConfig) {
                // 设置武器配置到WeaponInfo组件
                weaponInfo.setWeaponConfig(weaponConfig);
            } else {
                console.warn(`[GameBlockSelection] 方块 ${block.name} 没有武器配置，无法设置武器信息`);
                // 移除刚添加的组件
                weaponNode.removeComponent(WeaponInfo);
            }
        } catch (error) {
            console.error(`[GameBlockSelection] 为方块 ${block.name} 添加武器信息组件时发生错误:`, error);
        }
    }
    
    /**
     * 在方块中查找Weapon节点
     * @param block 方块节点
     * @returns Weapon节点，如果未找到返回null
     */
    private findWeaponNodeInBlock(block: Node): Node | null {
        if (!block || !block.isValid) {
            return null;
        }
        
        // 根据新的预制体结构，武器节点直接位于方块根节点下
        const weaponNode = block.getChildByName('Weapon');
        if (weaponNode) {
            return weaponNode;
        }
        
        // 兼容旧结构：如果直接查找失败，尝试B1/Weapon路径
        const b1Node = block.getChildByName('B1');
        if (b1Node) {
            const b1WeaponNode = b1Node.getChildByName('Weapon');
            if (b1WeaponNode) {
                return b1WeaponNode;
            }
        }
        
        // 最后使用递归方式查找（兼容其他可能的结构）
        const findWeaponRecursive = (node: Node): Node | null => {
            if (node.name === 'Weapon') {
                return node;
            }
            
            for (let i = 0; i < node.children.length; i++) {
                const result = findWeaponRecursive(node.children[i]);
                if (result) {
                    return result;
                }
            }
            
            return null;
        };
        
        return findWeaponRecursive(block);
    }
    
    // 根据方块位置隐藏对应的db标签节点
    private hideDbNodeByBlockLocation(block: Node) {
        const originalLocation = this.getBlockOriginalLocation(block);
        
        if (originalLocation === 'block1' && this.blockManager.block1DbNode) {
            this.blockManager.block1DbNode.active = false;
        } else if (originalLocation === 'block2' && this.blockManager.block2DbNode) {
            this.blockManager.block2DbNode.active = false;
        } else if (originalLocation === 'block3' && this.blockManager.block3DbNode) {
            this.blockManager.block3DbNode.active = false;
        }
    }
    
    // 根据方块位置显示对应的db标签节点
    private showDbNodeByBlockLocation(block: Node) {
        const originalLocation = this.getBlockOriginalLocation(block);
        
        if (originalLocation === 'block1' && this.blockManager.block1DbNode) {
            this.blockManager.block1DbNode.active = true;
        } else if (originalLocation === 'block2' && this.blockManager.block2DbNode) {
            this.blockManager.block2DbNode.active = true;
        } else if (originalLocation === 'block3' && this.blockManager.block3DbNode) {
            this.blockManager.block3DbNode.active = true;
        }
    }
    
    // 处理成功放置
    private async handleSuccessfulPlacement(startLocation: string) {
        try {
            const price = this.blockManager.getBlockPrice(this.currentDragBlock);
            
            if (startLocation === 'grid') {
                this.blockManager.clearTempStoredOccupiedGrids(this.currentDragBlock);
                this.blockManager.blockLocations.set(this.currentDragBlock, 'grid');
                
                // 隐藏对应的db标签节点
                this.hideDbNodeByBlockLocation(this.currentDragBlock);
                
                // 立即将方块移动到PlacedBlocks节点下，不等游戏开始
                this.blockManager.moveBlockToPlacedBlocks(this.currentDragBlock);
                
                // 为武器节点添加武器信息组件
                this.attachWeaponInfoToBlock(this.currentDragBlock);
                
                // 如果游戏已开始，添加锁定视觉提示
                if (this.blockManager.gameStarted) {
                    this.blockManager.addLockedVisualHint(this.currentDragBlock);
                    BlockTag.removeTag(this.currentDragBlock);
                }

                // 检查并执行合成
                try {
                    await this.blockManager.tryMergeBlock(this.currentDragBlock);
                } catch (mergeError) {
                    console.error('[GameBlockSelection] 方块合成时发生错误:', mergeError);
                }
            } else {
                if (this.blockManager.deductPlayerCoins(price)) {
                    this.blockManager.clearTempStoredOccupiedGrids(this.currentDragBlock);
                    this.blockManager.blockLocations.set(this.currentDragBlock, 'grid');
                    
                    // 隐藏对应的db标签节点
                    this.hideDbNodeByBlockLocation(this.currentDragBlock);
                    
                    this.currentDragBlock['placedBefore'] = true;
                    
                    // 立即将方块移动到PlacedBlocks节点下，不等游戏开始
                    this.blockManager.moveBlockToPlacedBlocks(this.currentDragBlock);
                    
                    // 为武器节点添加武器信息组件
                    this.attachWeaponInfoToBlock(this.currentDragBlock);
                    
                    // 如果游戏已开始，添加锁定视觉提示
                    if (this.blockManager.gameStarted) {
                        this.blockManager.addLockedVisualHint(this.currentDragBlock);
                        
                        // 游戏开始后放置的方块移除标签，不能再放回kuang
                        BlockTag.removeTag(this.currentDragBlock);
                    }

                    // 检查并执行合成
                    try {
                        await this.blockManager.tryMergeBlock(this.currentDragBlock);
                    } catch (mergeError) {
                        console.error('[GameBlockSelection] 方块合成时发生错误:', mergeError);
                        // 合成失败不影响方块放置，只记录错误
                    }
                } else {
                    // 金币不足时显示价格标签闪烁效果和Toast提示
                    this.blockManager.showInsufficientCoinsEffect(this.currentDragBlock);
                    this.returnBlockToOriginalPosition();
                }
            }
        } catch (error) {
            console.error('[GameBlockSelection] handleSuccessfulPlacement 发生错误:', error);
            // 发生错误时，将方块返回原位置
            this.returnBlockToOriginalPosition();
            throw error; // 重新抛出错误，让上层处理
        }
    }
    
    // 返回方块到原位置
    private returnBlockToOriginalPosition() {
        const currentLocation = this.blockManager.blockLocations.get(this.currentDragBlock);
        const startLocation = this.currentDragBlock['startLocation'];
        
        if (currentLocation === 'kuang') {
            const originalPos = this.blockManager.originalPositions.get(this.currentDragBlock);
            if (originalPos) {
                this.currentDragBlock.position = originalPos.clone();
            }
        } else {
            this.currentDragBlock.position = this.blockStartPos.clone();
            
            // 如果方块原本在grid区域，返回原位置后需要重新标记占用状态
            if (startLocation === 'grid') {
                // 获取方块当前位置对应的网格节点
                let b1Node = this.currentDragBlock;
                if (this.currentDragBlock.name !== 'B1') {
                    b1Node = this.currentDragBlock.getChildByName('B1');
                }
                
                if (b1Node) {
                    const b1WorldPos = b1Node.parent.getComponent(UITransform).convertToWorldSpaceAR(b1Node.position);
                    const gridPos = this.blockManager.gridContainer.getComponent(UITransform).convertToNodeSpaceAR(b1WorldPos);
                    const gridNode = this.blockManager.findNearestGridNode(gridPos);
                    
                    if (gridNode) {
                        this.blockManager.markOccupiedPositions(this.currentDragBlock, gridNode);
                        // 输出更新后的占用情况
                        this.blockManager.printGridOccupationMatrix();
                    }
                }
            }
        }
        
        // 清除拖动状态，恢复db节点显示
        this.currentDragBlock['isDragging'] = false;
        
        this.showDbNodeByBlockLocation(this.currentDragBlock);
        
        this.currentDragBlock.emit(Node.EventType.TRANSFORM_CHANGED);
    }

    // === 调试绘制相关方法 ===
    
    private initDebugDraw() {
        // 调试绘制功能已禁用
    }
    
    private drawGridSnapRanges() {
        // 调试绘制功能已禁用
    }
    
    private drawBlockSnapRange(block: Node) {
        // 调试绘制功能已禁用
    }
    
    private updateDebugDraw() {
        // 调试绘制功能已禁用
    }
    
    // 清理调试绘制
    private cleanupDebugDraw() {
        if (this.debugDrawNode && this.debugDrawNode.isValid) {
            this.debugDrawNode.destroy();
            this.debugDrawNode = null;
            this.debugGraphics = null;
        }
    }
    
    public setDebugDrawSnapRange(enabled: boolean) {
        this.debugDrawSnapRange = enabled;
        // 调试绘制功能已禁用
    }

    onDisable() {
        this.removeEventListeners();
        this.cleanupDebugDraw();
    }

    onDestroy() {
        this.removeEventListeners();
        this.cleanupDebugDraw();
    }

    // 移除事件监听器
    private removeEventListeners() {
        const eventBus = EventBus.getInstance();
        eventBus.off(GameEvents.RESET_BLOCK_SELECTION, this.onResetBlockSelectionEvent, this);
        eventBus.off(GameEvents.GAME_START, this.onGameStartEvent, this);
        eventBus.off(GameEvents.SETUP_BLOCK_DRAG_EVENTS, this.onSetupBlockDragEventsEvent, this);
    }
    
    /**
     * 获取方块的原始位置
     * @param block 方块节点
     * @returns 原始位置标识符
     */
    private getBlockOriginalLocation(block: Node): string | null {
        // 检查方块是否在block1Container中
        if (this.blockManager.block1Container && this.isBlockInContainer(block, this.blockManager.block1Container)) {
            return 'block1';
        }
        // 检查方块是否在block2Container中
        if (this.blockManager.block2Container && this.isBlockInContainer(block, this.blockManager.block2Container)) {
            return 'block2';
        }
        // 检查方块是否在block3Container中
        if (this.blockManager.block3Container && this.isBlockInContainer(block, this.blockManager.block3Container)) {
            return 'block3';
        }
        return null;
    }
    
    /**
     * 检查方块是否在指定容器中
     * @param block 方块节点
     * @param container 容器节点
     * @returns 是否在容器中
     */
    private isBlockInContainer(block: Node, container: Node): boolean {
        let parent = block.parent;
        while (parent) {
            if (parent === container) {
                return true;
            }
            parent = parent.parent;
        }
        return false;
    }
}