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

import { _decorator, Component, Node, Button, Label, find, EventTouch, Vec2, Vec3, UITransform, Rect, Collider2D, Graphics, Color } from 'cc';
import { LevelSessionManager } from '../../Core/LevelSessionManager';
import { BallController } from '../BallController';
import { BlockManager } from '../BlockManager';

import { BlockTag } from './BlockTag';
import { SkillManager } from '../SkillSelection/SkillManager';

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;

    // 移除toastNode属性，改用事件机制
    // @property({
    //     type: Node,
    //     tooltip: '拖拽Canvas/Toast节点到这里'
    // })
    // public toastNode: 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;

    // 按钮费用配置
    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() {
        console.log('[GameBlockSelection] onEnable() 节点被激活');
        // 如果还未初始化，则进行初始化
        if (!this.isInitialized) {
            this.initializeComponent();
        }
        this.initDebugDraw();
    }

    start() {
        console.log('[GameBlockSelection] start() 被调用');
        // 如果还未初始化，则进行初始化
        if (!this.isInitialized) {
            this.initializeComponent();
        }
    }
    
    private initializeComponent() {
        console.log('[GameBlockSelection] initializeComponent() 开始初始化');
        console.log('[GameBlockSelection] 组件节点名称:', this.node.name);
        console.log('[GameBlockSelection] 组件节点激活状态:', this.node.active);
        
        // 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);
        } 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;
        
        console.log('GameBlockSelection.initializeComponent() 初始化完成');
    }

    // 设置事件监听器
    private setupEventListeners() {
        console.log('[GameBlockSelection] 开始设置事件监听器');
        const eventBus = EventBus.getInstance();
        console.log('[GameBlockSelection] EventBus实例获取结果:', !!eventBus);
        
        // 监听重置方块选择事件
        eventBus.on(GameEvents.RESET_BLOCK_SELECTION, this.onResetBlockSelectionEvent, this);
        console.log('[GameBlockSelection] RESET_BLOCK_SELECTION事件监听器已设置');
        
        // 监听显示方块选择事件

        
        // 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);
        console.log('[GameBlockSelection] GAME_START事件监听器已设置');
        
        // 监听方块拖拽事件设置请求
        eventBus.on(GameEvents.SETUP_BLOCK_DRAG_EVENTS, this.onSetupBlockDragEventsEvent, this);
        console.log('[GameBlockSelection] SETUP_BLOCK_DRAG_EVENTS事件监听器已设置');
        
        console.log('[GameBlockSelection] 事件监听器设置完成，组件节点:', this.node.name);
        console.log('[GameBlockSelection] 当前节点状态:', this.node.active);
    }
    
    // 处理重置方块选择事件
    private onResetBlockSelectionEvent() {
        console.log('[GameBlockSelection] 接收到重置方块选择事件');
        this.resetSelection();
    }
    

    
    // 处理游戏开始事件
    private onGameStartEvent() {
        console.log('[GameBlockSelection] 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[]) {
        console.log('[GameBlockSelection] 接收到方块拖拽事件设置请求，方块数量:', blocks.length);
        
        // 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);
                console.log(`[GameBlockSelection] 为方块 ${block.name} 重新设置拖拽事件`);
            } else {
                console.warn('[GameBlockSelection] 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() {
        // 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);
            console.log(`新增小球成功，扣除${actualCost}金币`);
        }
    }

    // 增加金币按钮点击
    private onAddCoinClicked() {
        // 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);
        console.log(`通过观看广告免费获得${coinsToAdd}金币`);
        
        // 更新显示
        this.updateCoinDisplay();
        
        // 可以在这里添加播放奖励动画的逻辑
        // MoneyAni.playReward(coinsToAdd, 0);
    }

    // 刷新方块按钮点击
    private onRefreshClicked() {
        console.log('[GameBlockSelection] 刷新方块按钮被点击');
        
        // 应用便宜技能效果计算实际费用
        const actualCost = this.getActualCost(this.REFRESH_COST);
        console.log(`[GameBlockSelection] 计算实际费用: ${actualCost}`);
        
        if (!this.canSpendCoins(actualCost)) {
            console.log('[GameBlockSelection] 金币不足，无法刷新方块');
            this.showInsufficientCoinsUI();
            return;
        }

        // 扣除金币
        if (this.session.spendCoins(actualCost)) {
            console.log(`[GameBlockSelection] 成功扣除 ${actualCost} 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) {
                    console.log('[GameBlockSelection] 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
                console.log('[GameBlockSelection] 调用 blockManager.refreshBlocks()');
                this.blockManager.refreshBlocks();
                
                // 等待一帧确保方块生成完成
                this.scheduleOnce(() => {
                    console.log('[GameBlockSelection] 刷新方块延迟检查完成');
                }, 0.1);
                
                console.log(`[GameBlockSelection] 刷新方块成功，扣除${actualCost}金币`);
            } 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();
        console.log(`[GameBlockSelection] 检查上阵方块: ${hasBlocks ? '有' : '无'}`);
        
        if (!hasBlocks) {
            this.showNoPlacedBlocksToast();
            return;
        }
        
        // 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() {
        console.log('[GameBlockSelection] 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(300, 0.3);
        
        console.log('[GameBlockSelection] 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();
                console.log(`[GameBlockSelection] 更新金币显示: ${coins}`);
            } 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
        });
        
        console.log('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() {
        console.log('[GameBlockSelection] generateBlockSelection开始执行');
        
        // 直接生成方块，不再依赖shouldGenerateBlocks标志
        if (this.blockManager) {
            this.blockManager.refreshBlocks();
            console.log('[GameBlockSelection] 生成新的随机方块');
        } 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);
        
        console.log('[GameBlockSelection] 方块生成完成');
    }

   



    // 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() {
        console.log('[GameBlockSelection] 刷新方块占用情况');
        
        if (this.blockManager) {
            // 不重置网格占用状态，只重新计算已放置方块的占用情况
            // 这样可以保留refreshBlocks中恢复的占用信息
            
            // 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];
                    // 重新标记方块占用的网格位置
                    const gridNode = this.blockManager.findNearestGridNode(block.worldPosition);
                    if (gridNode) {
                        this.blockManager.markOccupiedPositions(block, gridNode);
                    }
                }
            }
            
            console.log('[GameBlockSelection] 方块占用情况刷新完成');
        } else {
            console.warn('[GameBlockSelection] BlockManager未找到，无法刷新占用情况');
        }
    }

    // 重置方块选择状态
    public resetSelection() {
        console.log('[GameBlockSelection] 重置方块选择状态');
        
        // 重置方块生成标志，等待下次onBattle触发
        this.shouldGenerateBlocks = false;
        console.log('[GameBlockSelection] 重置方块生成标志');
        
        // 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
        console.log('[GameBlockSelection] BlockManager将通过事件系统自动重置');
        
        // 清理所有方块标签
        BlockTag.clearAllTags();
        console.log('[GameBlockSelection] 方块标签已清理');
        
        // 刷新方块占用情况
        this.refreshGridOccupation();
        
        // 更新金币显示
        this.updateCoinDisplay();
        console.log('[GameBlockSelection] 金币显示已更新');
    }

    // 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() {
        console.log('[GameBlockSelection] 显示未上阵植物提示');
        
        // 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
        });
        
        console.log('[GameBlockSelection] 请至少上阵一个植物！');
    }
    
    // 设置方块拖拽事件
    public setupBlockDragEvents(block: Node) {
        block.on(Node.EventType.TOUCH_START, (event: EventTouch) => {
            if (this.blockManager.gameStarted && this.blockManager.blockLocations.get(block) === 'grid') {
                if (!this.canMoveBlock(block)) {
                    return;
                }
            }
            
            this.currentDragBlock = block;
            this.startPos = event.getUILocation();
            this.blockStartPos.set(block.position);
            this.currentDragBlock['startLocation'] = this.blockManager.blockLocations.get(block);
            
            block.setSiblingIndex(block.parent.children.length - 1);
            this.blockManager.tempStoreBlockOccupiedGrids(block);
            // 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) => {
            if (this.blockManager.gameStarted && this.blockManager.blockLocations.get(block) === 'grid') {
                if (!this.canMoveBlock(block)) {
                    return;
                }
            }
            
            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
            );
            
            // 更新调试绘制
            this.updateDebugDraw();
        }, this);
        
        block.on(Node.EventType.TOUCH_END, async (event: EventTouch) => {
            if (this.blockManager.gameStarted && this.blockManager.blockLocations.get(block) === 'grid') {
                if (!this.canMoveBlock(block)) {
                    return;
                }
            }
            
            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();
                }
                
                this.currentDragBlock = null;
                // 拖拽结束时恢复碰撞体
                const collider = block.getComponent(Collider2D);
                if (collider) collider.enabled = true;
                
                // 更新调试绘制
                this.updateDebugDraw();
            }
        }, this);
        
        block.on(Node.EventType.TOUCH_CANCEL, () => {
            if (this.currentDragBlock) {
                this.returnBlockToOriginalPosition();
                this.currentDragBlock = null;
                // 拖拽取消时恢复碰撞体
                const collider = block.getComponent(Collider2D);
                if (collider) collider.enabled = true;
                
                // 更新调试绘制
                this.updateDebugDraw();
            }
        }, this);
    }
    
    // 检查方块是否可以移动
    private canMoveBlock(block: Node): boolean {
        return true;
    }
    
    // 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);
                    // 返回kuang后输出格子占用情况
                    this.blockManager.printGridOccupationMatrix();
                    // 刷新方块占用情况
                    this.refreshGridOccupation();
                } else {
                    // 没有标签的方块不能放回kuang，返回原位置
                    console.log(`[GameBlockSelection] 方块 ${this.currentDragBlock.name} 没有标签，不能放回kuang区域`);
                    this.returnBlockToOriginalPosition();
                    // 返回原位置后输出格子占用情况
                    this.blockManager.printGridOccupationMatrix();
                    // 刷新方块占用情况
                    this.refreshGridOccupation();
                }
            } else if (this.blockManager.tryPlaceBlockToGrid(this.currentDragBlock)) {
                await this.handleSuccessfulPlacement(startLocation);
                // 放置成功后输出格子占用情况
                this.blockManager.printGridOccupationMatrix();
                // 刷新方块占用情况
                this.refreshGridOccupation();
            } else {
                console.log(`[GameBlockSelection] 方块 ${this.currentDragBlock.name} 放置到网格失败`);
                console.log(`[GameBlockSelection] 方块标签状态:`, BlockTag.hasTag(this.currentDragBlock));
                console.log(`[GameBlockSelection] 方块UUID:`, this.currentDragBlock.uuid);
                
                // 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
                    // 合成成功后输出格子占用情况
                    this.blockManager.printGridOccupationMatrix();
                    // 刷新方块占用情况
                    this.refreshGridOccupation();
                } else {
                    console.log(`[GameBlockSelection] 方块 ${this.currentDragBlock.name} 合成也失败，返回原位置`);
                    this.returnBlockToOriginalPosition();
                    // 放置失败后输出格子占用情况
                    this.blockManager.printGridOccupationMatrix();
                    // 刷新方块占用情况
                    this.refreshGridOccupation();
                }
            }
        } 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
        }
    }
    
    // 检查是否在kuang区域内
    private isInKuangArea(touchPos: Vec2): boolean {
        if (!this.blockManager.kuangContainer) return false;
        
        const kuangTransform = this.blockManager.kuangContainer.getComponent(UITransform);
        if (!kuangTransform) return false;
        
        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));
    }
    
    // 返回方块到kuang区域
    private returnBlockToKuang(startLocation: string) {
        const originalPos = this.blockManager.originalPositions.get(this.currentDragBlock);
        if (originalPos) {
            const kuangNode = this.blockManager.kuangContainer;
            if (kuangNode && this.currentDragBlock.parent !== kuangNode) {
                this.currentDragBlock.removeFromParent();
                kuangNode.addChild(this.currentDragBlock);
            }
            
            this.currentDragBlock.position = originalPos.clone();
        }
        
        this.blockManager.restoreBlockOccupiedGrids(this.currentDragBlock);
        this.blockManager.blockLocations.set(this.currentDragBlock, 'kuang');
        this.blockManager.showPriceLabel(this.currentDragBlock);
        
        if (startLocation === 'grid') {
            const price = this.blockManager.getBlockPrice(this.currentDragBlock);
            this.blockManager.refundPlayerCoins(price);
            this.currentDragBlock['placedBefore'] = false;
        }
        
        const dbNode = this.currentDragBlock['dbNode'];
        if (dbNode) {
            dbNode.active = true;
            this.currentDragBlock.emit(Node.EventType.TRANSFORM_CHANGED);
        }
    }
    
    // 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');
                this.blockManager.hidePriceLabel(this.currentDragBlock);
                
                const dbNode = this.currentDragBlock['dbNode'];
                if (dbNode) {
                    dbNode.active = false;
                }
                
                // 立即将方块移动到PlacedBlocks节点下，不等游戏开始
                this.blockManager.moveBlockToPlacedBlocks(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 {
                if (this.blockManager.deductPlayerCoins(price)) {
                    this.blockManager.clearTempStoredOccupiedGrids(this.currentDragBlock);
                    this.blockManager.blockLocations.set(this.currentDragBlock, 'grid');
                    this.blockManager.hidePriceLabel(this.currentDragBlock);
                    
                    const dbNode = this.currentDragBlock['dbNode'];
                    if (dbNode) {
                        dbNode.active = false;
                    }
                    
                    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);
                    
                    // 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 {
                    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);
        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();
        }
        
        this.blockManager.restoreBlockOccupiedGrids(this.currentDragBlock);
        this.blockManager.showPriceLabel(this.currentDragBlock);
        
        const dbNode = this.currentDragBlock['dbNode'];
        if (dbNode) {
            dbNode.active = true;
            this.currentDragBlock.emit(Node.EventType.TRANSFORM_CHANGED);
        }
        
        // 刷新方块占用情况
        this.refreshGridOccupation();
    }

    // === 调试绘制相关方法 ===
    
    // 初始化调试绘制
    private initDebugDraw() {
        if (!this.debugDrawSnapRange) return;
        
        // 创建调试绘制节点
        this.debugDrawNode = new Node('DebugDraw');
        this.debugGraphics = this.debugDrawNode.addComponent(Graphics);
        
        // 将调试绘制节点添加到场景中
        if (this.gridContainer && this.gridContainer.parent) {
            this.gridContainer.parent.addChild(this.debugDrawNode);
        }
        
        console.log('[GameBlockSelection] 调试绘制初始化完成');
    }
    
    // 绘制网格吸附范围
    private drawGridSnapRanges() {
        if (!this.debugDrawSnapRange || !this.debugGraphics || !this.blockManager) return;
        
        this.debugGraphics.strokeColor = Color.GREEN;
        this.debugGraphics.lineWidth = 2;
        
        // 通过BlockManager获取网格信息来绘制吸附范围
        const gridSpacing = 54; // 网格间距
        const snapRange = gridSpacing * 0.8; // 吸附范围
        
        // 遍历所有网格位置，绘制吸附范围
        for (let row = 0; row < 6; row++) {
            for (let col = 0; col < 11; col++) {
                // 计算网格世界坐标
                const gridWorldPos = this.blockManager.getGridWorldPosition(row, col);
                if (!gridWorldPos) continue;
                
                // 转换为调试绘制节点的本地坐标
                const localPos = new Vec3();
                this.debugDrawNode.getComponent(UITransform).convertToNodeSpaceAR(gridWorldPos, localPos);
                
                // 绘制网格吸附范围圆圈
                this.debugGraphics.circle(localPos.x, localPos.y, snapRange);
                this.debugGraphics.stroke();
            }
        }
    }
    
    // 绘制方块吸附范围
    private drawBlockSnapRange(block: Node) {
        if (!this.debugDrawSnapRange || !this.debugGraphics || !block || !this.blockManager) return;
        
        // 绘制方块吸附点
        this.debugGraphics.strokeColor = Color.RED;
        this.debugGraphics.fillColor = Color.RED;
        this.debugGraphics.lineWidth = 3;
        
        const blockParts = this.blockManager.getBlockParts(block);
        const gridSpacing = 54; // 网格间距
        const snapRange = gridSpacing * 0.6; // 吸附范围
        
        blockParts.forEach(part => {
            const worldPos = part.node.getWorldPosition();
            const localPos = new Vec3();
            this.debugDrawNode.getComponent(UITransform).convertToNodeSpaceAR(worldPos, localPos);
            
            // 绘制红色十字标记吸附点
            const crossSize = 10;
            this.debugGraphics.moveTo(localPos.x - crossSize, localPos.y);
            this.debugGraphics.lineTo(localPos.x + crossSize, localPos.y);
            this.debugGraphics.moveTo(localPos.x, localPos.y - crossSize);
            this.debugGraphics.lineTo(localPos.x, localPos.y + crossSize);
            this.debugGraphics.stroke();
            
            // 绘制吸附范围圆圈
            this.debugGraphics.circle(localPos.x, localPos.y, snapRange);
            this.debugGraphics.stroke();
        });
    }
    
    // 更新调试绘制
    private updateDebugDraw() {
        if (!this.debugDrawSnapRange || !this.debugGraphics) return;
        
        this.debugGraphics.clear();
        
        // 绘制网格吸附范围
        this.drawGridSnapRanges();
        
        // 如果有正在拖拽的方块，绘制其吸附范围
        if (this.currentDragBlock) {
            this.drawBlockSnapRange(this.currentDragBlock);
        }
    }
    
    // 清理调试绘制
    private cleanupDebugDraw() {
        if (this.debugDrawNode && this.debugDrawNode.isValid) {
            this.debugDrawNode.destroy();
            this.debugDrawNode = null;
            this.debugGraphics = null;
        }
    }
    
    // 设置调试绘制开关
    public setDebugDrawSnapRange(enabled: boolean) {
        this.debugDrawSnapRange = enabled;
        
        if (enabled) {
            this.initDebugDraw();
        } else {
            this.cleanupDebugDraw();
        }
        
        console.log(`[GameBlockSelection] 调试绘制已${enabled ? '开启' : '关闭'}`);
    }

    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);
    }
}