import { _decorator, BlockInputEvents, Component, isValid, Node, Prefab, Sorting2D, sp, Tween, tween, UIOpacity, UITransform, v3, Vec2, Vec3, type EventTouch } from 'cc';
import type { EntityId } from 'db://assets/mx/module/ecs';
import type { ComposedUnit } from 'db://assets/mx/module/merge';
import { isElementGlyphType, Weapon2TileType } from 'db://assets/mx/module/merge';
import { GEvent } from 'db://assets/mx/module/event/GEvent';
import { GBundle, GPath } from '../../game/ConfigRes';
import { BATTLE_HERO_BUFF_PATH, BATTLE_HERO_NUM_PATH } from '../res/BattleHeroResCollector';
import { TableNames } from '../../game/ConfigTableData';
import { BattleMapSpec } from '../map/BattleMapSpec';
import { WEAPON_LEFT_OFFSET_PX } from './HeroWeaponMount';
import { PEACH_TREE_WEAPON2_ID } from '../bag/BagPrepConfig';
import { WeaponComposeConfigProvider } from '../bag/WeaponComposeConfigProvider';
import { textIconName } from '../config/BattleHeroTable';
import type { DeploySync } from '../runtime/DeploySync';
import type { TileEntitySnapshot, TileLocation, TowerRuntimeSnapshot } from '../combat/TowerQueryTypes';
import type { BattleBagSession } from '../bag/BattleBagSession';
import { TowerQueryService } from '../combat/TowerQueryService';
import { findEntityIdByGridIndex } from '../runtime/DeployEntityQuery';
import { Skill } from '../skill/Skill';
import { BattleSpinePlayback } from '../presentation/BattleSpinePlayback';
import { ensureSpineSkeletonDataRuntime } from 'db://assets/mx/module/lang/spineRuntimePatch';
import { HERO_GLYPH_RESOURCES, isHeroActorWeapon1 } from '../heros/HeroActorRes';
import { aiPlaceCampForPlayer } from '../ai/runtime/AiCampArea';
import { HeroActorHost } from '../heros/HeroActorHost';
import { HeroActor } from '../heros/HeroActor';
import { ClientErrorReporter } from '../../../mx/tools/ClientErrorReporter';
import { applyGlyphSpineSkin, glyphSpineHasSkin } from './GlyphSpineSkin';
import 'db://assets/mx/extension/NodeDragExt';

export type {
    TileEntitySnapshot,
    TileLocation,
    TileBindRecord,
    TowerConfigSnapshot,
    TowerCombatStats,
    TowerRuntimeSnapshot,
} from '../combat/TowerQueryTypes';
export { TowerQueryService } from '../combat/TowerQueryService';

/** @deprecated 使用 TileEntitySnapshot */
export type TextGridEntityData = TileEntitySnapshot;
/** @deprecated 使用 TileLocation */
export type TextGridLocation = TileLocation;
/** @deprecated 使用 TileBindRecord */
export type TextGridTileRecord = import('../combat/TowerQueryTypes').TileBindRecord;

const { ccclass } = _decorator;

/** 字块 buff 特效 Sorting2D 层（与 textGrid.prefab canUpEff 一致） */
const TEXT_GRID_BUFF_FX_SORT_LAYER = 3;
/** 字形 skin Sorting2D order（与 textGrid.prefab 内升级特效一致） */
const TEXT_GRID_GLYPH_SORT_ORDER = 3;
/** 字块下方 buff 特效 order（须低于字形） */
const TEXT_GRID_BUFF_FX_UNDER_ORDER = 2;
/** 字块上方 buff 特效 order（须高于 canUpEff=4） */
const TEXT_GRID_BUFF_FX_OVER_ORDER = 5;

/** 主动 buff 特效挂层 */
export type TextGridBattleBuffFxLayer = 'over' | 'under';
/** 字块脚下阴影节点 */
const SHADOW_NODE = 'ebg';

/** ebg 未旋转时的局部坐标 */
interface RuinDecorRest {
    /** 节点 */
    n: Node;
    /** 局部 x */
    x: number;
    /** 局部 y */
    y: number;
    /** 局部 z */
    z: number;
}

/** 字块显示颜色（hex，不含 #） */
export enum TextColor {
    Black = '000000',
    Yellow = 'F8D874',
    Pink = 'FF69B4',
}

/** 字块视图/UI 状态 */
export interface TextGridViewState {
    nodeActive: boolean;
    draggable: boolean;
    skinReady: boolean;
    displayText: string;
    textColorHex: string | null;
}

/** 地图格语义（仅 location=map） */
export interface TextGridMapCellState {
    gridIndex: number;
    row: number;
    col: number;
    isCanWalk: boolean;
    isCanPutText: boolean;
    isCanPutGrid: boolean;
    isCanBeDig: boolean;
    isCanRemove: boolean;
    isBestPlace: boolean;
    isFreePlace: boolean;
}

/** Skill 表现组件状态 */
export interface TextGridSkillState {
    present: boolean;
    isActive: boolean;
}

/** getData()：战斗层实体 + 视图 + 实时 runtime */
export interface TextGridData extends TileEntitySnapshot {
    view: TextGridViewState;
    mapCell: TextGridMapCellState | null;
    skill: TextGridSkillState | null;
    /** 场上实时（AttributeSystem；未部署为 null） */
    runtime: TowerRuntimeSnapshot | null;
}

/**
 * 背包/地图字块视图（textGrid 预制体）。
 * 五行字：按 Hero.number 从 battleHero/prefab/num 出池，挂到 skin，并切金/木/水/火/土皮。
 * 地图激活后按当前 Hero.herotype 挂 weaponType*。
 */
@ccclass('TextGrid')
export class TextGrid extends Component {
    private static readonly CLICK_MOVE_THRESHOLD_SQ = 10 * 10;

    weapon2Id = 0;
    weapon1Id = 0;
    level = 1;
    location: TileLocation | null = null;

    private _skinNode: Node | null = null;
    /** 当前 Hero.res 皮肤名 */
    private _skinIconName: string | null = null;
    /** 字块脚下阴影（ebg） */
    private _shadowNode: Node | null = null;
    private _dragSurface: Node | null = null;
    private _originParent: Node | null = null;
    private _originPos = { x: 0, y: 0, z: 0 };
    /** 当前五行数字皮节点（battleHero/prefab/num，挂在 skin 下） */
    private _numberNode: Node | null = null;
    /** 当前数字节点已套的五行皮名（金/木/水/火/土） */
    private _elementSkinApplied = '';
    private _clickStart: Vec2 | null = null;
    private _entity: TileEntitySnapshot | null = null;
    private _dragFollow = true;
    /** 地图字块点击（查看攻击范围等） */
    private _mapClickHandler: ((grid: TextGrid) => void) | null = null;
    /** 拖拽悬停选中（绿色） */
    private _isSelectStatus = false;
    /** 拖拽悬停不可放置（红色，textGrid/redSelect） */
    private _isRedSelectStatus = false;
    selectNode: Node | null = null;
    redSelectNode: Node | null = null;
    /** 牛魔王损毁：字形倒下 */
    private _ruin = false;
    /** 字形倒下 tween 进行中 */
    private _ruinFalling = false;
    /** 正在倒下的字形节点（回收后须作废 tween） */
    private _ruinFallNode: Node | null = null;
    /** ebg 未旋转时的局部坐标 */
    private readonly _decorRest: RuinDecorRest[] = [];
    /** 可升级提示箭头（battleGame/prefab/canUpEff，按需出池） */
    private _canUpEff: Node | null = null;
    private _canUpEffBaseX = 0;
    private _canUpEffBaseY = 0;
    /** 入场拖尾 trail1（按需出池） */
    private _trail1: Node | null = null;
    /** 入场拖尾 trail2（按需出池） */
    private _trail2: Node | null = null;
    /** 入场拖尾 trail3（按需出池） */
    private _trail3: Node | null = null;
    /** 拖动时可合成目标：每秒抖动一次 */
    private _mergeShakeOn = false;
    private _mergeShakeBase = { x: 0, y: 0, z: 0 };
    /** 正面 buff 特效节点（怪_攻击buff） */
    private _positiveBuffFx: Node | null = null;
    /** 未组合组合字「睡觉」特效 */
    private _sleepFx: Node | null = null;
    /** 混乱（debuff_8）特效 */
    private _confusionFx: Node | null = null;
    /** 眩晕（debuff_4）特效 */
    private _stunFx: Node | null = null;
    /** attachBattleBuffFx 挂载的节点（施法幻魂镜等） */
    private readonly _attachedBattleBuffFx: Node[] = [];
    /**
     * AI 无头地图轻量模式：只刷等级/散字皮，禁止 ensure/destroy HeroActor
     *（避免与 DeploySync 双管并在物理步进中改节点导致 Box2D 崩）。
     */
    private _aiMapLite = false;

    /**
     * 武器本地 X（须为负=靠左）：索引 = 显示等级 - 1。
     * 数字：1，2，4，8，16，32，64，128，256，512，1024，2048，4096，8192
     */
    wPosX = [-29, -29, -29, -29, -18, -18, -18, -24, -24, -24, -30, -30, -30, -12];

    protected onLoad(): void {
        this._skinNode = this.node.getChildByName('skin');
        this._shadowNode = this.node.getChildByName(SHADOW_NODE);
        this.selectNode = this.node.getChildByName('select');
        this.redSelectNode = this.node.getChildByName('redSelect');
        this._updateSelect();
    }

    /**
     * 挂载主动 buff 特效到字块根节点并校正层级。
     * over：置于字形之上（Sorting2D + sibling 置顶）；under：置于 skin 之下。
     * 多格组合字时锚点对齐占格几何中心。
     */
    attachBattleBuffFx(fx: Node, layer: TextGridBattleBuffFxLayer): void {
        if (!fx?.isValid || !this.node?.isValid) return;

        fx.parent = this.node;
        const anchor = this._resolveComposeSpineOffset();
        fx.setPosition(anchor.x, anchor.y, 0);
        fx.layer = this.node.layer;
        fx.active = true;
        this._ensureGlyphSkinSorting();

        const ref = this.node.getChildByName('skin');
        if (layer === 'under') {
            if (ref?.isValid) {
                fx.setSiblingIndex(ref.getSiblingIndex());
            } else {
                fx.setSiblingIndex(0);
            }
            this._applyBattleBuffFxSorting(fx, TEXT_GRID_BUFF_FX_UNDER_ORDER);
            return;
        }

        fx.setSiblingIndex(this.node.children.length - 1);
        this._applyBattleBuffFxSorting(fx, TEXT_GRID_BUFF_FX_OVER_ORDER);
        this._ensureDragSurface();
        this._attachedBattleBuffFx.push(fx);
    }

    /**
     * 回收单个 attachBattleBuffFx 节点（Presenter 中断施法时调用）。
     * @param fx 特效节点
     */
    releaseAttachedBattleBuffFx(fx: Node): void {
        const idx = this._attachedBattleBuffFx.indexOf(fx);
        if (idx >= 0) this._attachedBattleBuffFx.splice(idx, 1);
        if (!fx?.isValid) return;
        Tween.stopAllByTarget(fx);
        if (fx['resKey']) gg.res.putNode(fx);
        else fx.destroy();
    }

    /**
     * 按节点名回收字块上的主动 buff 特效（含未登记的残留鬼手）。
     * @param name 预制体节点名
     */
    releaseAttachedBattleBuffFxByName(name: string): void {
        if (!name) return;
        const tracked = this._attachedBattleBuffFx.slice();
        for (let i = 0; i < tracked.length; i++) {
            const fx = tracked[i];
            if (fx?.name === name) this.releaseAttachedBattleBuffFx(fx);
        }
        const root = this.node;
        if (!root?.isValid) return;
        const children = root.children;
        for (let i = children.length - 1; i >= 0; i--) {
            const child = children[i];
            if (child?.isValid && child.name === name) this.releaseAttachedBattleBuffFx(child);
        }
    }

    /** 回收字块上由 attachBattleBuffFx 挂入的特效（回池/重建前） */
    clearAttachedBattleBuffFx(): void {
        while (this._attachedBattleBuffFx.length > 0) {
            const fx = this._attachedBattleBuffFx[0];
            this.releaseAttachedBattleBuffFx(fx);
        }
    }

    /** 主动 buff 特效锚点世界坐标（多格组合时为占格几何中心） */
    resolveBattleBuffFxWorldPosition(): Vec3 {
        const anchor = this._resolveComposeSpineOffset();
        const ut = this.node.getComponent(UITransform);
        if (ut) {
            return ut.convertToWorldSpaceAR(v3(anchor.x, anchor.y, 0));
        }
        const p = this.node.worldPosition;
        return v3(p.x + anchor.x, p.y + anchor.y, p.z);
    }

    /** 字形 skin 补 Sorting2D，与 buff 特效 order 对齐（地图格原先无 Sorting2D 导致下层盖字） */
    private _ensureGlyphSkinSorting(): void {
        const skin = this._skinNode?.isValid ? this._skinNode : this.node.getChildByName('skin');
        if (!skin?.isValid) return;

        let sorting = skin.getComponent(Sorting2D);
        if (!sorting) sorting = skin.addComponent(Sorting2D);
        sorting.sortingLayer = TEXT_GRID_BUFF_FX_SORT_LAYER;
        sorting.sortingOrder = TEXT_GRID_GLYPH_SORT_ORDER;
    }

    /** 主动 buff 特效 Spine Sorting2D（地图格 skin 无 Sorting2D，仅 sibling 不足） */
    private _applyBattleBuffFxSorting(fx: Node, order: number): void {
        for (const sk of fx.getComponentsInChildren(sp.Skeleton)) {
            if (!sk?.node?.isValid) continue;
            sk.node.layer = fx.layer;
            let sorting = sk.node.getComponent(Sorting2D);
            if (!sorting) sorting = sk.node.addComponent(Sorting2D);
            sorting.sortingLayer = TEXT_GRID_BUFF_FX_SORT_LAYER;
            sorting.sortingOrder = order;
        }
        for (const sort of fx.getComponents(Sorting2D)) {
            sort.sortingLayer = TEXT_GRID_BUFF_FX_SORT_LAYER;
            sort.sortingOrder = order;
        }
    }

    /** 显示正面 buff 特效（prefab/怪_攻击buff），挂在字块根节点 */
    showPositiveBuffFx(): void {
        if (!this.node?.isValid) return;
        if (this._positiveBuffFx?.isValid) return;

        let node: Node | null = null;
        try {
            node = gg.res.getNode('prefab/', '怪_攻击buff', GBundle.BattleGameMonster);
        } catch (e) {
            console.log('[TextGrid] 怪_攻击buff 预制体加载失败', String(e));
            return;
        }
        if (!node?.isValid) return;

        node.parent = this.node;
        node.setPosition(0, 0, 0);
        node.active = true;
        node.setSiblingIndex(this.node.children.length - 1);
        this._positiveBuffFx = node;

        for (const sk of node.getComponentsInChildren(sp.Skeleton)) {
            sk.setAnimationCacheMode(sp.SpineAnimationCacheMode.REALTIME);
            const anim = (sk as sp.Skeleton & { defaultAnimation?: string }).defaultAnimation || 'animation';
            sk.setAnimation(0, anim, true);
        }
        this._ensureDragSurface();
    }

    clearPositiveBuffFx(): void {
        if (this._positiveBuffFx?.isValid) {
            gg.res.putNode(this._positiveBuffFx);
        }
        this._positiveBuffFx = null;
    }

    /**
     * 未组合成英雄的组合字：显示「睡觉」特效；组合/离场时回收。
     */
    setSleepFx(visible: boolean): void {
        if (!visible) {
            this.clearSleepFx();
            return;
        }
        if (!this.node?.isValid) return;
        if (this._sleepFx?.isValid) {
            this._sleepFx.active = true;
            this._sleepFx.setSiblingIndex(this.node.children.length - 1);
            this._ensureDragSurface();
            return;
        }

        let node: Node | null = null;
        try {
            node = gg.res.getNode('prefab/', '睡觉', GBundle.BattleGameMonster);
        } catch {
            return;
        }
        if (!node?.isValid) return;

        node.parent = this.node;
        node.setPosition(0, 0, 0);
        node.active = true;
        node.setSiblingIndex(this.node.children.length - 1);
        this._sleepFx = node;

        for (const sk of node.getComponentsInChildren(sp.Skeleton)) {
            sk.setAnimationCacheMode(sp.SpineAnimationCacheMode.REALTIME);
            const anim = (sk as sp.Skeleton & { defaultAnimation?: string }).defaultAnimation || 'animation';
            sk.setAnimation(0, anim, true);
        }
        this._ensureDragSurface();
    }

    clearSleepFx(): void {
        if (this._sleepFx?.isValid) {
            gg.res.putNode(this._sleepFx);
        }
        this._sleepFx = null;
    }

    /**
     * 白无常 / 顺风耳混乱：格子上挂「混乱效果」。
     * @param visible 是否显示
     */
    setConfusionFx(visible: boolean): void {
        if (!visible) {
            this.clearConfusionFx();
            return;
        }
        if (!this.node?.isValid) return;
        if (this._confusionFx?.isValid) {
            this._confusionFx.active = true;
            this._confusionFx.setSiblingIndex(this.node.children.length - 1);
            this._ensureDragSurface();
            return;
        }
        let node: Node | null = null;
        try {
            node = gg.res.getNode(GPath.HeroSkillPrefab(), '混乱效果', GBundle.BattleHero);
        } catch (err) {
            console.log('[TextGrid] 混乱效果 getNode 失败', String(err));
            return;
        }
        if (!node?.isValid) {
            console.log('[TextGrid] 混乱效果预制体未加载');
            return;
        }
        node.parent = this.node;
        node.setPosition(0, BattleMapSpec.CELL_SIZE * 0.25, 0);
        node.active = true;
        node.layer = this.node.layer;
        node.setSiblingIndex(this.node.children.length - 1);
        this._confusionFx = node;
        const sk = node.getComponent(sp.Skeleton) ?? node.getComponentInChildren(sp.Skeleton);
        if (!sk?.isValid) {
            console.log('[TextGrid] 混乱效果缺少 Skeleton');
            this.clearConfusionFx();
            return;
        }
        const anim = String((sk as sp.Skeleton & { defaultAnimation?: string }).defaultAnimation || 'animation').trim();
        sk.setAnimationCacheMode(sp.SpineAnimationCacheMode.REALTIME);
        if (!BattleSpinePlayback.play(sk, anim, { loop: true })) {
            console.log('[TextGrid] 混乱效果无动画', anim);
            this.clearConfusionFx();
            return;
        }
        this._ensureDragSurface();
    }

    /** 回收混乱特效 */
    clearConfusionFx(): void {
        const node = this._confusionFx;
        this._confusionFx = null;
        if (!node?.isValid) return;
        const sk = node.getComponent(sp.Skeleton) ?? node.getComponentInChildren(sp.Skeleton);
        BattleSpinePlayback.clearPendingComplete(sk);
        BattleSpinePlayback.resetTracks(sk);
        gg.res.putNode(node);
    }

    /**
     * 土 Boss 等：格子上挂「怪_晕眩」。
     * @param visible 是否显示
     */
    setStunFx(visible: boolean): void {
        if (!visible) {
            this.clearStunFx();
            return;
        }
        if (!this.node?.isValid) return;
        if (this._stunFx?.isValid) {
            this._stunFx.active = true;
            this._stunFx.setSiblingIndex(this.node.children.length - 1);
            this._ensureDragSurface();
            return;
        }
        let node: Node | null = null;
        try {
            node = gg.res.getNode('prefab/', '怪_晕眩', GBundle.BattleGameMonster);
        } catch (err) {
            console.log('[TextGrid] 怪_晕眩 getNode 失败', String(err));
            return;
        }
        if (!node?.isValid) {
            console.log('[TextGrid] 怪_晕眩预制体未加载');
            return;
        }
        node.parent = this.node;
        node.setPosition(0, BattleMapSpec.CELL_SIZE * 0.25, 0);
        node.active = true;
        node.layer = this.node.layer;
        node.setSiblingIndex(this.node.children.length - 1);
        this._stunFx = node;
        const sk = node.getComponent(sp.Skeleton) ?? node.getComponentInChildren(sp.Skeleton);
        if (!sk?.isValid) {
            console.log('[TextGrid] 怪_晕眩缺少 Skeleton');
            this.clearStunFx();
            return;
        }
        sk.setAnimationCacheMode(sp.SpineAnimationCacheMode.REALTIME);
        if (!BattleSpinePlayback.play(sk, 'animation', { loop: true })) {
            console.log('[TextGrid] 怪_晕眩无动画 animation');
            this.clearStunFx();
            return;
        }
        this._ensureDragSurface();
    }

    /** 回收眩晕特效 */
    clearStunFx(): void {
        const node = this._stunFx;
        this._stunFx = null;
        if (!node?.isValid) return;
        const sk = node.getComponent(sp.Skeleton) ?? node.getComponentInChildren(sp.Skeleton);
        BattleSpinePlayback.clearPendingComplete(sk);
        BattleSpinePlayback.resetTracks(sk);
        gg.res.putNode(node);
    }

    /** 多格组合：特效锚点偏到占格几何中心（水平偏 X，竖直偏 Y） */
    private _resolveComposeSpineOffset(): { x: number; y: number } {
        const composition = this._getComposition();
        if (!composition || composition.gridIndices.length < 2) {
            return { x: 0, y: 0 };
        }
        const loc = this.location;
        if (loc?.kind !== 'map') return { x: 0, y: 0 };

        const map = gg.game.CurentBattle?.Map;
        const hostUt = this.node.getComponent(UITransform);
        if (!map || !hostUt) return { x: 0, y: 0 };

        let sx = 0;
        let sy = 0;
        let n = 0;
        for (const idx of composition.gridIndices) {
            const mg = map.getMapGridByIndex(idx);
            if (!mg?.node?.isValid) continue;
            const p = mg.node.worldPosition;
            sx += p.x;
            sy += p.y;
            n++;
        }
        if (n === 0) return { x: 0, y: 0 };

        const centerLocal = hostUt.convertToNodeSpaceAR(new Vec3(sx / n, sy / n, 0));
        if (composition.direction === 'horizontal') {
            return { x: centerLocal.x, y: 0 };
        }
        if (composition.direction === 'vertical') {
            return { x: 0, y: centerLocal.y };
        }
        return { x: centerLocal.x, y: centerLocal.y };
    }

    /**
     * 可合成/可升级提示：显示时出池并上下浮动；隐藏时回池。
     * 蟠桃树不可合成，强制不显示。
     */
    setCanUpgradeHint(visible: boolean): void {
        if (!visible || this.isPeachTreeTile()) {
            this._releaseCanUpEff();
            return;
        }
        const n = this._ensureCanUpEff();
        if (!n) return;
        Tween.stopAllByTarget(n);
        n.active = true;
        const x = this._canUpEffBaseX;
        const y = this._canUpEffBaseY;
        n.setPosition(x, y, 0);
        tween(n)
            .repeatForever(
                tween(n)
                    .to(0.45, { position: v3(x, y + 10, 0) }, { easing: 'sineInOut' })
                    .to(0.45, { position: v3(x, y, 0) }, { easing: 'sineInOut' }),
            )
            .start();
    }

    /**
     * 拖动时可合成对应目标：每秒左右抖动一下（动 skin 节点，避免与背包 Layout 抢根节点坐标）。
     */
    setMergeTargetShake(enabled: boolean): void {
        const n = this._presentationRoot();
        if (!n?.isValid) return;
        Tween.stopAllByTarget(n);
        if (this._mergeShakeOn) {
            n.setPosition(this._mergeShakeBase.x, this._mergeShakeBase.y, this._mergeShakeBase.z);
        }
        this._mergeShakeOn = enabled;
        if (!enabled) return;

        const p = n.position;
        this._mergeShakeBase = { x: p.x, y: p.y, z: p.z };
        const { x, y, z } = this._mergeShakeBase;
        const amp = 6;
        tween(n)
            .repeatForever(
                tween(n)
                    .to(0.05, { position: v3(x + amp, y, z) })
                    .to(0.05, { position: v3(x - amp, y, z) })
                    .to(0.05, { position: v3(x + amp * 0.5, y, z) })
                    .to(0.05, { position: v3(x, y, z) })
                    .delay(0.8),
            )
            .start();
    }

    /** 拖拽悬停目标时显示 select 节点（绿色） */
    get isSelectStatus(): boolean {
        return this._isSelectStatus;
    }
    set isSelectStatus(value: boolean) {
        this._isSelectStatus = value;
        if (value) this._isRedSelectStatus = false;
        this._updateSelect();
    }

    /** 拖拽悬停不可放置格时显示 redSelect 节点（红色） */
    get isRedSelectStatus(): boolean {
        return this._isRedSelectStatus;
    }
    set isRedSelectStatus(value: boolean) {
        this._isRedSelectStatus = value;
        if (value) this._isSelectStatus = false;
        this._updateSelect();
    }

    protected onEnable(): void {
        this._bindClickSurface();
    }

    protected onDisable(): void {
        this._unbindClickSurface();
    }

    get dragNode(): Node {
        this._ensureDragSurface();
        return this._dragSurface!;
    }

    /** 停止根节点 tween 并还原 scale/angle（入场 squash 动画被打断时会残留） */
    resetNodeTransform(): void {
        const node = this.node;
        if (!node?.isValid) return;
        Tween.stopAllByTarget(node);
        node.setScale(1, 1, 1);
        node.angle = 0;
        if (this._cellRuined()) this._holdRuinXform();
    }

    /** 根节点归零到父格/槽中心（合成升级、setData 时用；勿在 restoreOrigin 之后调用） */
    resetLocalPosition(): void {
        const node = this.node;
        if (!node?.isValid) return;
        Tween.stopAllByTarget(node);
        node.setPosition(0, 0, 0);
    }

    /** 还原 skin 节点位移 */
    resetSkinPresentation(): void {
        this.setMergeTargetShake(false);
        const n = this._presentationRoot();
        if (!n?.isValid) return;
        Tween.stopAllByTarget(n);
        n.setPosition(0, 0, 0);
        n.setScale(1, 1, 1);
        n.angle = 0;
        if (this._cellRuined()) this._holdRuinXform();
    }

    /** 当前地图格是否敌方放置区（本机看对面 CampAreaID，与出怪口无关） */
    private _isEnemyCampMapCell(): boolean {
        const loc = this.location;
        if (loc?.kind !== 'map') return false;
        const grid = gg.game.CurentBattle?.Map?.getMapGridByIndex(loc.gridIndex);
        const campAreaId = (grid?.CampAreaID ?? 0) | 0;
        const localId = gg.game.CurentBattle?.player?.playerId ?? 0;
        const enemyPlayerId = localId === 0 ? 1 : 0;
        return campAreaId === aiPlaceCampForPlayer(enemyPlayerId);
    }

    /** 绑定文字实体完整数据（来自 TowerQueryService.buildTileEntity） */
    setData(data: TileEntitySnapshot): void {
        const prevLoc = this.location;
        this._invalidateHeroActorRetry();
        this.resetNodeTransform();
        this.resetSkinPresentation();
        this._clearBattleCardVisual();
        this._entity = data;
        this.weapon2Id = Number(data.tile.id);
        this.weapon1Id = Number(data.weapon1Id) || 0;
        this.level = data.level;
        this.location = data.location;
        // 仅当场上真实占格节点收回背包时才拆英雄；对象池幽灵节点带旧 location 不得误伤
        if (prevLoc?.kind === 'map' && data.location.kind === 'bag' && this._isLiveMapOccupant(prevLoc.gridIndex)) {
            HeroActorHost.instance.destroyAtGrid(prevLoc.gridIndex);
        }

        const cardKind = Math.floor(Number(data.battleCardKind) || 0);
        if (cardKind > 0) {
            this._hideNumberNodes();
            this._ensureSkinNode();
            this._skinIconName = null;
            this._applyBattleCardVisual(cardKind === 1 ? '倍率卡' : '属性卡');
            this._finishSkinPresentation();
            this._updateLevelLabel();
            this.hideEntranceTrail();
            this._ensureDragSurface();
            this._forwardChildTouchToSurface();
            return;
        }

        if (!this._isElementNumberTile()) {
            this._hideNumberNodes();
            this._ensureSkinNode();
            const iconName = textIconName(data.tile);
            this._skinIconName = null;
            this._applySkinIcon(iconName);
        } else {
            // 五行数字不用字形皮；清掉池化残留，避免走英雄字形分支盖住数字子节点
            this._skinIconName = null;
        }
        this._finishSkinPresentation();
        this._updateLevelLabel();
        this.hideEntranceTrail();
        this._ensureDragSurface();
        this._forwardChildTouchToSurface();
    }

    getEntityData(): TileEntitySnapshot | null {
        if (!this.location && !this._entity) return null;
        if (this._aiMapLite && this._entity) return this._entity;
        return this._queryEntity();
    }

    setLocation(loc: TileLocation | null): void {
        this.location = loc;
    }

    /** 完整快照：实体走战斗层查询，视图层只补 UI 字段 */
    getData(deploySync?: DeploySync | null): TextGridData {
        const entity = this._aiMapLite && this._entity
            ? this._entity
            : this._queryEntity();
        const runtime = entity.location.kind === 'map' && !this._aiMapLite
            ? TowerQueryService.instance.getRuntimeByGridIndex(entity.location.gridIndex, undefined, deploySync ?? null)
            : null;
        return {
            ...entity,
            view: this._buildViewState(),
            mapCell: this._buildMapCellState(),
            skill: this._buildSkillState(),
            runtime,
        };
    }

    setMapClickHandler(handler: ((grid: TextGrid) => void) | null): void {
        this._mapClickHandler = handler;
    }

    onClickText(e: EventTouch): void {
        const data = this.getData();
        const range = data.runtime?.stats.range ?? data.tower?.stats.range;

        if (this.location?.kind === 'map' || this.location?.kind === 'bag') {
            if (this._mapClickHandler) {
                e.propagationStopped = true;
                this._mapClickHandler(this);
            } else {
                console.log('[TextGrid] mapClickHandler 未绑定', this.weapon2Id, this.location);
            }
        }
    }

    getSkinNode(): Node | null {
        return this._skinNode?.isValid ? this._skinNode : null;
    }

    rememberOrigin(): void {
        this._originParent = this.node.parent;
        const p = this.node.position;
        this._originPos = { x: p.x, y: p.y, z: p.z };
    }

    restoreOrigin(): void {
        const origin = this._originParent;
        if (origin?.isValid && this.node.parent !== origin) {
            if (this._originHoldsOtherGrid(origin)) {
                console.log('[TextGrid] 原位已有其它数字，不再挂回', this.weapon2Id, this.location);
            } else {
                this.node.parent = origin;
            }
        }
        if (this.node.parent === origin) {
            this.node.setPosition(this._originPos.x, this._originPos.y, this._originPos.z);
        }
        this.resetNodeTransform();
    }

    /**
     * 原位是否已挂着别的字块。
     * 交换落地后再挂回会和槽上新数字叠在一起。
     * @param origin 拖动前父节点
     */
    private _originHoldsOtherGrid(origin: Node): boolean {
        const children = origin.children;
        for (let i = 0; i < children.length; i++) {
            const child = children[i];
            if (!child?.isValid || child === this.node) continue;
            if (child.getComponent(TextGrid)) return true;
        }
        return false;
    }

    /** 入场落地后恢复可见性：五行数字皮优先，其余字按 HeroActor 态同步 */
    syncPresentationVisibility(): void {
        if (!this.isValid) return;
        if (this._isElementNumberTile()) {
            this._updateLevelLabel();
        }
        this._syncSkillActiveState();
    }

    /**
     * 拖动/交换落地后恢复字形可见。
     * putNode 会把子树 Skeleton.enabled 关掉；地图原先跳过，交换后只剩 ebg 阴影和 lv。
     * 已成将格只对账藏/显皮，不把格子皮强行打开（避免叠在 heroTemplate 上）。
     * 根节点回到 rememberOrigin 位置（地图字在专用层上本地非 0）。
     * @returns 是否曾发现异常并修复
     */
    ensureBagGlyphVisible(): boolean {
        if (!this.isValid || !this.node?.isValid) return false;

        let repaired = false;
        if (!this.node.active) {
            this.node.active = true;
            repaired = true;
        }
        const uo = this.node.getComponent(UIOpacity);
        if (uo?.isValid && uo.opacity < 255) {
            uo.opacity = 255;
            repaired = true;
        }
        this.node.setScale(1, 1, 1);
        // 地图字挂 ui_textGrids 时本地非 (0,0)；归零会把字形和武器甩到层原点
        this.restoreOrigin();
        this.resetSkinPresentation();

        if (this._isElementNumberTile()) {
            // 背包必须强制露数字；飞行藏英雄期间 _shouldHideGridSkin 仍可能为 true
            const forceShow = this.location?.kind === 'bag' || !this._shouldHideGridSkin();
            if (this._repairElementNumberGlyph(forceShow, true)) repaired = true;
            this._syncShadow();
        } else if (this._isHeroActorComposeCell()) {
            // 成将只对账：覆盖层已挂上则藏皮。禁止强行开皮叠在 heroTemplate 上。
            this._syncSkillActiveState();
        } else {
            this._ensureSkinNode();
            const skin = this._skinNode;
            if (skin?.isValid && !skin.active) {
                skin.active = true;
                repaired = true;
            }
            const sk = this._getSkinSkeleton();
            if (sk?.isValid) {
                if (!sk.enabled) {
                    sk.enabled = true;
                    repaired = true;
                }
                sk.setAnimationCacheMode(sp.SpineAnimationCacheMode.REALTIME);
                if (this._skinIconName) {
                    this._applySkinSpineIcon(this._skinIconName);
                }
            }
            this._syncShadow();
        }
        if (repaired) {
            console.log(
                '[TextGrid] ensureBagGlyphVisible 修复字形',
                this.weapon2Id,
                this.location,
            );
        }
        return repaired;
    }

    /**
     * AI 无头地图：轻量表现（等级标 + 散字皮），不碰 HeroActor 生命周期。
     * @param on 是否开启
     */
    setAiMapLite(on: boolean): void {
        this._aiMapLite = !!on;
    }

    /** 松手飞入目标格前：组合/英雄皮可能被 HeroActor 隐藏，先恢复可见再播弧线 */
    preparePlaceFlightVisual(): void {
        if (this._isElementNumberTile()) {
            // 飞行中 HeroActor 透明隐藏，须强制露数字，否则落地背包只剩阴影
            // 飞行途中勿 _syncNumberSkill，避免又挂回 HeroActor 把字皮藏掉
            this._repairElementNumberGlyph(true, false);
            return;
        }
        if (this._skinNode?.isValid) this._skinNode.active = true;
    }

    /** 落子/交换落地后：按 HeroActor 状态收起格子皮；收回背包再强制露数字 */
    finishPlaceFlightVisual(): void {
        if (!this.isValid || !this.location) return;
        this._syncSkillActiveState();
        if (this.location?.kind === 'bag' && this._isElementNumberTile()) {
            this.ensureBagGlyphVisible();
        }
    }

    /**
     * 回节点池前：停入场/拖拽残留，清选中与透明度。
     * 否则下次取出会带着旋转角、绿色 select 框进背包。
     */
    prepareForPool(): void {
        if (!this.isValid) return;
        this.releaseNumberSkill();
        this.clearPositiveBuffFx();
        this.clearSleepFx();
        this.clearConfusionFx();
        this.clearStunFx();
        this.clearAttachedBattleBuffFx();
        this.resetNodeTransform();
        this.resetSkinPresentation();
        this._skinIconName = null;
        this._hideNumberNodes();
        this.hideEntranceTrail();
        this.isSelectStatus = false;
        this.isRedSelectStatus = false;
        this.setCanUpgradeHint(false);
        this.setRuinStyle(false, true);
        this.enableDrag(false);
        this.setMapClickHandler(null);
        this.setDragFollow(true);
        this.setAiMapLite(false);
        this.location = null;
        this._entity = null;
        this.weapon2Id = 0;
        this.weapon1Id = 0;
        this.level = 1;
        this.node.name = 'textGrid';
        const uo = this.node.getComponent(UIOpacity);
        if (uo) uo.opacity = 255;
        this.node.setPosition(0, 0, 0);
    }

    enableDrag(enabled: boolean): void {
        if (!this.isValid || !this.node?.isValid) return;
        this._ensureDragSurface();
        const surface = this._dragSurface!;
        surface.off(Node.DragEvent.DRAG_MOVE, this._syncDragMove, this);
        surface.off(Node.DragEvent.DRAG_END, this._resetDragSurface, this);
        if (enabled) {
            surface.on(Node.DragEvent.DRAG_MOVE, this._syncDragMove, this);
            surface.on(Node.DragEvent.DRAG_END, this._resetDragSurface, this);
        }
        surface.draggable = enabled;
        const canClick = this.location?.kind === 'map' || this.location?.kind === 'bag';
        const block = surface.getComponent(BlockInputEvents);
        if (block) {
            // 禁拖拽时仍保留点击（查看攻击范围 / 武器详情）
            block.enabled = enabled || canClick;
        }
        if (canClick) {
            this._bindClickSurface();
        }
    }

    setDragFollow(enabled: boolean): void {
        this._dragFollow = enabled;
        if (!enabled) this._resetDragSurface();
    }

    onDestroy(): void {
        this.releaseNumberSkill();
        this.clearPositiveBuffFx();
        this.clearSleepFx();
        this.clearConfusionFx();
        this.clearStunFx();
        this.clearAttachedBattleBuffFx();
        this._releaseCanUpEff();
        this._releaseTrails();
        if (this._mergeShakeOn) {
            this.setMergeTargetShake(false);
        }
        this.resetSkinPresentation();
        this._hideNumberNodes();
        if (this._dragSurface?.isValid) {
            this._dragSurface.removeDragEvent?.();
            this._dragSurface.destroy();
        }
        this._dragSurface = null;
        this._skinIconName = null;
        this.node.removeDragEvent?.();
    }

    private _queryEntity(): TileEntitySnapshot {
        const location = this.location ?? this._entity?.location;
        if (!location) return this._entity!;
        const composition = this._findComposition() ?? this._entity?.composition ?? null;
        const level = composition?.level ?? this.level;
        return TowerQueryService.instance.buildTileEntity(
            location,
            {
                weapon2Id: this.weapon2Id,
                weapon1Id: this.weapon1Id > 0 ? this.weapon1Id : undefined,
                level,
                source: this._entity?.source ?? undefined,
            },
            { composition, player: gg.game.localPlayer },
        ) ?? this._entity!;
    }

    private _findComposition(): ComposedUnit | null {
        const loc = this.location;
        if (loc?.kind !== 'map') return null;
        const local = gg.game.localPlayer?.compositions.find(c => c.gridIndices.includes(loc.gridIndex));
        if (local) return local;
        const remote = gg.game.CurentBattle?.remotePlayer?.compositions.find(
            c => c.gridIndices.includes(loc.gridIndex),
        );
        return remote ?? null;
    }

    /** 优先用 MergeSession 当前组合；快照仅在 live 尚未覆盖本格时回落 */
    private _getComposition(): ComposedUnit | null {
        const live = this._findComposition();
        if (live) return live;
        const loc = this.location;
        const fromEntity = this._entity?.composition;
        if (fromEntity && loc?.kind === 'map' && this._compHasGrid(fromEntity, loc.gridIndex)) {
            return fromEntity;
        }
        return null;
    }

    /** 组合是否仍占该格 */
    private _compHasGrid(composition: ComposedUnit, gridIndex: number): boolean {
        const idx = composition.gridIndices;
        for (let i = 0; i < idx.length; i++) {
            if (idx[i] === gridIndex) return true;
        }
        return false;
    }

    private _buildViewState(): TextGridViewState {
        const skinReady = !!this._getSkinSkeleton();
        return {
            nodeActive: this.node.active,
            draggable: this._dragSurface?.draggable ?? false,
            skinReady,
            displayText: '',
            textColorHex: null,
        };
    }

    private _buildMapCellState(): TextGridMapCellState | null {
        const loc = this.location;
        if (loc?.kind !== 'map') return null;
        const grid = gg.game.CurentBattle?.Map?.getMapGridByIndex(loc.gridIndex);
        if (!grid) return null;
        return {
            gridIndex: loc.gridIndex,
            row: grid.Row,
            col: grid.Col,
            isCanWalk: grid.isCanWalk,
            isCanPutText: grid.isCanPutText,
            isCanPutGrid: grid.isCanPutGrid,
            isCanBeDig: grid.isCanBeDig,
            isCanRemove: grid.isCanRemove,
            isBestPlace: grid.isBestPlace,
            isFreePlace: grid.isFreePlace,
        };
    }

    private _buildSkillState(): TextGridSkillState | null {
        const loc = this.location;
        if (loc?.kind === 'map') {
            const entityId = TowerQueryService.instance.getRuntimeByGridIndex(loc.gridIndex)?.entityId;
            if (entityId != null) {
                const actor = HeroActorHost.instance.getActor(entityId);
                if (actor?.isValid) {
                    return { present: true, isActive: actor.isActive };
                }
            }
        }
        const skin = this._skinNode?.isValid ? this._skinNode : null;
        if (!skin) return null;
        const skill = skin.getComponent(Skill) ?? skin.getComponentInChildren(Skill);
        return skill ? { present: true, isActive: skill.isActive } : { present: false, isActive: false };
    }

    private _bindClickSurface(): void {
        this._ensureDragSurface();
        const surface = this._dragSurface;
        if (!surface?.isValid) return;
        this._unbindClickSurface();
        surface.on(Node.EventType.TOUCH_START, this._onSurfaceTouchStart, this);
        surface.on(Node.EventType.TOUCH_END, this._onSurfaceTouchEnd, this);
        surface.on(Node.EventType.TOUCH_CANCEL, this._onSurfaceTouchCancel, this);
    }

    private _unbindClickSurface(): void {
        const surface = this._dragSurface;
        if (!surface?.isValid) return;
        surface.off(Node.EventType.TOUCH_START, this._onSurfaceTouchStart, this);
        surface.off(Node.EventType.TOUCH_END, this._onSurfaceTouchEnd, this);
        surface.off(Node.EventType.TOUCH_CANCEL, this._onSurfaceTouchCancel, this);
    }

    private _onSurfaceTouchStart = (e: EventTouch): void => {
        if (!this._clickStart) this._clickStart = new Vec2();
        this._clickStart.set(e.getUILocation());
    };

    private _onSurfaceTouchEnd = (e: EventTouch): void => {
        if (!this._clickStart) return;
        const end = e.getUILocation();
        const dx = end.x - this._clickStart.x;
        const dy = end.y - this._clickStart.y;
        this._clickStart = null;
        if (dx * dx + dy * dy > TextGrid.CLICK_MOVE_THRESHOLD_SQ) return;
        const surface = this._dragSurface as (Node & { _dragging?: boolean }) | null;
        if (surface?._dragging) return;
        this.onClickText(e);
    };

    private _onSurfaceTouchCancel = (): void => {
        this._clickStart = null;
    };

    private _syncDragMove = (): void => {
        if (!this._dragFollow) {
            this._resetDragSurface();
            return;
        }
        const surface = this._dragSurface;
        if (!surface?.isValid) return;
        const lp = surface.position;
        if (lp.x === 0 && lp.y === 0) return;
        const np = this.node.position;
        this.node.setPosition(np.x + lp.x, np.y + lp.y, np.z + lp.z);
        surface.setPosition(0, 0, 0);
    };

    private _resetDragSurface = (): void => {
        this._dragSurface?.setPosition(0, 0, 0);
    };

    /** 拖拽悬停 select / redSelect */
    private _updateSelect(): void {
        if (this.selectNode && isValid(this.selectNode)) {
            this.selectNode.active = this._isSelectStatus;
        }
        if (this.redSelectNode && isValid(this.redSelectNode)) {
            this.redSelectNode.active = this._isRedSelectStatus;
        }
    }

    /**
     * 牛魔王损毁：只倒本格字形（HeroActor / skin），格子根不转。
     * ebg 保持世界旋转与世界坐标不变。
     * 是否倒下跟当前格/槽字块 ruined，禁止拧到另一座同名英雄。
     * @param on 是否处于损毁失效
     * @param fromPool 回池强制清本格节点；字块仍 ruined 时不得扶正场上 HeroActor
     */
    setRuinStyle(on: boolean, fromPool = false): void {
        if (!this.isValid) return;
        this._snapAngle(this.node, 0);
        if (fromPool && !on) {
            this._ruin = false;
            this._clearRuinXform(true);
            return;
        }
        const tileRuined = this._cellRuined();
        const next = tileRuined || !!on;
        if (!on && tileRuined) {
            if (this._ruin) this._holdRuinXform();
            else {
                this._ruin = true;
                this._playRuinFall();
            }
            return;
        }
        if (this._ruin === next) {
            if (next) this._holdRuinXform();
            else this._clearLeftoverRuinAngle();
            return;
        }
        this._ruin = next;
        if (this._ruin) this._playRuinFall();
        else this._clearRuinXform(false);
    }

    /**
     * 损毁期间每帧钉死本格字形 -90°，并把 ebg 钉回世界角与世界坐标。
     */
    lateUpdate(): void {
        if (!this._ruin && !this._cellRuined()) return;
        this._holdRuinXform();
    }

    /** 可见字形：只取本格 HeroActor / 格子 skin */
    private _ruinTarget(): Node | null {
        const loc = this.location;
        if (loc?.kind === 'map') {
            const n = HeroActorHost.instance.getDisplayAtGrid(loc.gridIndex);
            if (n?.isValid) return n;
        }
        const skin = this._presentationRoot();
        return skin?.isValid ? skin : null;
    }

    /**
     * 钉死节点角度。
     * @param n 节点
     * @param angle 角度
     */
    private _snapAngle(n: Node | null, angle: number): void {
        if (!n?.isValid) return;
        Tween.stopAllByTarget(n);
        n.angle = angle;
    }

    /**
     * 当前格/槽字块是否仍损毁（交换后以数据为准，避免拧到新占格的英雄皮）。
     * 敌方 AI 字读对手 bag，禁止误用本机格子。
     */
    private _cellRuined(): boolean {
        const loc = this.location;
        const bag = this._ownerBagSession();
        if (!loc || !bag) return this._ruin;
        if (loc.kind === 'map') return !!bag.merge.map.getTile(loc.gridIndex)?.ruined;
        return !!bag.merge.bag.getSlot(loc.slotIndex)?.ruined;
    }

    /**
     * 字块所属玩家的 bag（敌方读 remotePlayer）。
     */
    private _ownerBagSession(): BattleBagSession | null {
        const battle = gg.game.CurentBattle;
        if (!battle) return null;
        if (this._aiMapLite || this._isEnemyCampMapCell()) {
            return battle.remotePlayer?.bagSession ?? null;
        }
        return battle.player?.bagSession ?? null;
    }

    /** 已倒下时保持字形 -90°；格子根保持 0；底框/阴影世界角与世界坐标保持不变 */
    private _holdRuinXform(): void {
        this._snapAngle(this.node, 0);
        if (!this._cellRuined()) return;
        const n = this._ruinTarget();
        if (this._ruinFalling && !this._isRuinFallLive(n)) {
            this._ruinFalling = false;
            this._ruinFallNode = null;
        }
        if (!this._ruinFalling && n?.isValid && n.angle !== -90) this._snapAngle(n, -90);
        this._lockRuinDecorUpright();
    }

    /**
     * 倒下 tween 是否仍在 0°～-90° 之间。
     * @param n 当前本格字形
     */
    private _isRuinFallLive(n: Node | null): boolean {
        const fall = this._ruinFallNode;
        if (!fall?.isValid || fall !== n) return false;
        return Math.abs(fall.angle) > 1 && Math.abs(fall.angle + 90) > 1;
    }

    /** 字形倒下 */
    private _playRuinFall(): void {
        this._snapAngle(this.node, 0);
        const n = this._ruinTarget();
        if (!n?.isValid) return;
        Tween.stopAllByTarget(n);
        this._ruinFalling = true;
        this._ruinFallNode = n;
        tween(n).to(0.2, { angle: -90 }).call(this._onRuinFallEnd, this).start();
        this._lockRuinDecorUpright();
    }

    /** 倒下 tween 结束：钉死字形 -90° */
    private _onRuinFallEnd(): void {
        this._ruinFalling = false;
        this._ruinFallNode = null;
        if (!this.isValid || !this._ruin) return;
        const n = this._ruinTarget();
        if (n?.isValid) n.angle = -90;
        this._lockRuinDecorUpright();
    }

    /**
     * 字形回正，格子根与底框/阴影也回正。
     * @param fromPool 回池：字块仍 ruined 时不得扶正场上 HeroActor
     */
    private _clearRuinXform(fromPool = false): void {
        this._ruinFalling = false;
        this._ruinFallNode = null;
        this._snapAngle(this.node, 0);
        this._snapAngle(this._presentationRoot(), 0);
        const skipHero = fromPool && this._cellRuined();
        if (!skipHero && !this._cellRuined()) this._snapAngle(this._heroDisplayOnThisCell(), 0);
        this._resetRuinDecorLocal(skipHero);
    }

    /**
     * ebg 相对父节点反向旋转，并钉在父节点未旋转时的世界坐标上。
     */
    private _lockRuinDecorUpright(): void {
        this._lockDecorOn(this._ruinTarget());
        this._lockDecorOn(this.node);
    }

    /**
     * 锁定 host 下 ebg。
     * @param host 倒下的字形根或格子根
     */
    private _lockDecorOn(host: Node | null): void {
        if (!host?.isValid) return;
        this._applyUprightWorld(host.getChildByName(SHADOW_NODE));
    }

    /**
     * 局部角 = -父角；世界坐标 = 父世界坐标 + 未旋转局部偏移。
     * @param n ebg
     */
    private _applyUprightWorld(n: Node | null): void {
        if (!n?.isValid) return;
        const parent = n.parent;
        if (!parent?.isValid) {
            n.angle = 0;
            return;
        }
        const rest = this._ensureDecorRest(n);
        n.angle = -parent.angle;
        const wp = parent.worldPosition;
        const ws = parent.worldScale;
        n.setWorldPosition(wp.x + rest.x * ws.x, wp.y + rest.y * ws.y, wp.z + rest.z);
    }

    /**
     * 记下阴影未倒下时的局部坐标。
     * @param n ebg
     */
    private _ensureDecorRest(n: Node): RuinDecorRest {
        const list = this._decorRest;
        for (let i = 0; i < list.length; i++) {
            if (list[i].n === n) return list[i];
        }
        const p = n.position;
        const rest: RuinDecorRest = { n, x: p.x, y: p.y, z: p.z };
        const parent = n.parent;
        if (parent?.isValid && Math.abs(parent.angle) > 1 && Math.abs(n.angle + parent.angle) < 1) {
            const rad = parent.angle * Math.PI / 180;
            const c = Math.cos(rad);
            const s = Math.sin(rad);
            rest.x = p.x * c - p.y * s;
            rest.y = p.x * s + p.y * c;
        }
        list.push(rest);
        return rest;
    }

    /**
     * 解除损毁时把底框/阴影局部角与坐标清回未倒下。
     * @param skipHero 回池且字块仍 ruined：不要动场上 HeroActor 的 ebg
     */
    private _resetRuinDecorLocal(skipHero = false): void {
        this._resetDecorOn(this._presentationRoot());
        this._resetDecorOn(this.node);
        if (!skipHero) this._resetDecorOn(this._heroDisplayOnThisCell());
    }

    /**
     * 本格 HeroActor 可见字形。
     */
    private _heroDisplayOnThisCell(): Node | null {
        const loc = this.location;
        if (loc?.kind !== 'map') return null;
        return HeroActorHost.instance.getDisplayAtGrid(loc.gridIndex);
    }

    /**
     * 回正 host 下 ebg。
     * @param host 字形根或格子根
     */
    private _resetDecorOn(host: Node | null): void {
        if (!host?.isValid) return;
        this._restoreDecor(host.getChildByName(SHADOW_NODE));
    }

    /**
     * 恢复单节点休息位姿并丢掉缓存。
     * @param n ebg
     */
    private _restoreDecor(n: Node | null): void {
        if (!n?.isValid) return;
        const list = this._decorRest;
        for (let i = list.length - 1; i >= 0; i--) {
            if (list[i].n !== n) continue;
            n.setPosition(list[i].x, list[i].y, list[i].z);
            list.splice(i, 1);
            break;
        }
        this._snapAngle(n, 0);
    }

    /**
     * 未损毁时清掉残留 -90°（交换后英雄皮可能被旧格误拧）。
     * 本格字块仍 ruined 则不许扶正。
     */
    private _clearLeftoverRuinAngle(): void {
        if (this._cellRuined()) {
            this._holdRuinXform();
            return;
        }
        this._snapIfFallen(this._ruinTarget());
        this._snapIfFallen(this._presentationRoot());
        this._snapIfFallen(this._heroDisplayOnThisCell());
        this._resetRuinDecorLocal(false);
    }

    /**
     * 仅当节点处于损毁角时回正，避免每帧打断其它 tween。
     * @param n 节点
     */
    private _snapIfFallen(n: Node | null): void {
        if (!n?.isValid) return;
        if (Math.abs(n.angle + 90) > 1) return;
        this._snapAngle(n, 0);
    }

    private _ensureSkinNode(): void {
        if (!this._skinNode?.isValid) {
            this._skinNode = this.node.getChildByName('skin');
        }
    }

    /** 当前字块是否为蟠桃树（Text.id=102；供玩法分支，表现走 skin） */
    isPeachTreeTile(): boolean {
        return this.weapon2Id === PEACH_TREE_WEAPON2_ID;
    }

    /** 抖动/复位用的表现根：五行数字皮，其余用 skin */
    private _presentationRoot(): Node {
        if (this._isElementNumberTile() && this._numberNode?.isValid) return this._numberNode;
        if (this._skinNode?.isValid) return this._skinNode;
        return this.node;
    }

    /** 阴影：英雄皮已挂上时隐藏；单字上场等英雄预制体期间仍显示 */
    private _syncShadow(): void {
        if (!this._shadowNode?.isValid) {
            this._shadowNode = this.node.getChildByName(SHADOW_NODE);
        }
        const node = this._shadowNode;
        if (!node?.isValid) return;
        node.active = !this._shouldHideSkinForHeroActor();
    }

    private _getSkinSkeleton(): sp.Skeleton | null {
        return this._skinNode?.getComponent(sp.Skeleton) ?? null;
    }

    /**
     * 出字入场拖尾：普通字 / 五行字用 trail1。
     * 仅入场飞行时打开，落地后须 hideEntranceTrail。
     */
    showEntranceTrail(): void {
        const type = (this._entity?.tileType as Weapon2TileType | undefined)
            ?? WeaponComposeConfigProvider.instance.getWeapon2Type(this.weapon2Id) as Weapon2TileType;
        this._applyTrailByTileType(type);
    }

    hideEntranceTrail(): void {
        this._releaseTrails();
    }

    /** 入场拖尾：文字 trail1 */
    private _applyTrailByTileType(type: Weapon2TileType): void {
        this._releaseTrails();
        const use1 = type === Weapon2TileType.Single || isElementGlyphType(type);
        if (!use1) return;
        const trail1 = this._ensureTrail(1);
        if (trail1) trail1.active = true;
    }

    /**
     * 从 battleGame/prefab 出池并挂到字块根。
     * @param name 预制体名
     */
    private _takeGridDecor(name: string): Node | null {
        let node: Node | null = null;
        try {
            node = gg.res.getNode(GPath.Prefab, name, GBundle.BattleGame);
        } catch (e) {
            console.error('[TextGrid] 装饰预制体加载失败', name, String(e));
            return null;
        }
        if (!node?.isValid) {
            console.error('[TextGrid] 装饰预制体缺失', name);
            return null;
        }
        node.parent = this.node;
        node.layer = this.node.layer;
        this._forwardChildTouchToSurface();
        this._ensureDragSurface();
        return node;
    }

    /** 装饰节点回池 */
    private _putGridDecor(node: Node | null): void {
        if (!node?.isValid) return;
        Tween.stopAllByTarget(node);
        if (node['resKey']) gg.res.putNode(node);
        else node.destroy();
    }

    /** 可升级箭头出池 */
    private _ensureCanUpEff(): Node | null {
        if (this._canUpEff?.isValid) return this._canUpEff;
        const node = this._takeGridDecor('canUpEff');
        if (!node) return null;
        this._applyCanUpEffPrefabPose(node);
        this._canUpEff = node;
        return node;
    }

    /** 按预制体记录箭头局部坐标（getNode 会清零 position） */
    private _applyCanUpEffPrefabPose(node: Node): void {
        const prefab = gg.res.getRes('canUpEff', GPath.Prefab, GBundle.BattleGame, Prefab) as Prefab | null;
        const data = prefab?.data;
        if (!data?.isValid) {
            console.error('[TextGrid] canUpEff 预制体位姿读不到');
            this._canUpEffBaseX = 0;
            this._canUpEffBaseY = 0;
            return;
        }
        this._canUpEffBaseX = data.position.x;
        this._canUpEffBaseY = data.position.y;
        node.setPosition(this._canUpEffBaseX, this._canUpEffBaseY, 0);
    }

    /** 可升级箭头回池 */
    private _releaseCanUpEff(): void {
        const n = this._canUpEff;
        this._canUpEff = null;
        this._putGridDecor(n);
        const leftover = this.node?.getChildByName('canUpEff');
        if (leftover?.isValid && leftover !== n) this._putGridDecor(leftover);
    }

    /**
     * 入场拖尾出池。
     * @param index 1/2/3
     */
    private _ensureTrail(index: 1 | 2 | 3): Node | null {
        const held = this._trailByIndex(index);
        if (held?.isValid) return held;
        const name = `trail${index}`;
        const node = this._takeGridDecor(name);
        if (!node) return null;
        node.setPosition(0, 0, 0);
        this._setTrailByIndex(index, node);
        return node;
    }

    /**
     * 当前持有的拖尾节点。
     * @param index 1/2/3
     */
    private _trailByIndex(index: 1 | 2 | 3): Node | null {
        if (index === 1) return this._trail1;
        if (index === 2) return this._trail2;
        return this._trail3;
    }

    /**
     * 记录拖尾节点。
     * @param index 1/2/3
     * @param node 拖尾节点
     */
    private _setTrailByIndex(index: 1 | 2 | 3, node: Node | null): void {
        if (index === 1) this._trail1 = node;
        else if (index === 2) this._trail2 = node;
        else this._trail3 = node;
    }

    /** 入场拖尾全部回池 */
    private _releaseTrails(): void {
        this._putGridDecor(this._trail1);
        this._putGridDecor(this._trail2);
        this._putGridDecor(this._trail3);
        this._trail1 = null;
        this._trail2 = null;
        this._trail3 = null;
        if (!this.node?.isValid) return;
        this._putGridDecor(this.node.getChildByName('trail1'));
        this._putGridDecor(this.node.getChildByName('trail2'));
        this._putGridDecor(this.node.getChildByName('trail3'));
    }

    /**
     * 五行字：Text.type 为 1–5（金木水火土）。
     * 与旧 Weapon2 类型枚举编号重叠，但语义不同。
     */
    private _isElementNumberTile(): boolean {
        const type = Math.floor(Number(this._entity?.tile?.type));
        return type >= 1 && type <= 5;
    }

    /** 子节点名是否为纯数字（对应 Hero.number） */
    private _isNumberFaceName(name: string): boolean {
        if (!name) return false;
        let n = 0;
        for (let i = 0; i < name.length; i++) {
            const c = name.charCodeAt(i);
            if (c < 48 || c > 57) return false;
            n = n * 10 + (c - 48);
        }
        return n > 0;
    }

    /** Hero.herotype → 数字 Spine 皮肤名 */
    private _elementSkinName(herotype: number): string {
        switch (herotype) {
            case 1: return '金';
            case 2: return '木';
            case 3: return '水';
            case 4: return '火';
            case 5: return '土';
            default: return '';
        }
    }

    /** 按 herotype 与显示等级查 Hero。显示等级含段位加值与合成升级，不是 Text.level */
    private _heroByTypeLevel(herotype: number, level: number): ITableHero | null {
        const heroes = gg.data.table.getTableList<ITableHero>(TableNames.Hero) ?? [];
        for (let i = 0; i < heroes.length; i++) {
            const hero = heroes[i];
            if (Math.floor(Number(hero.herotype)) !== herotype) continue;
            if (Math.floor(Number(hero.level)) !== level) continue;
            return hero;
        }
        return null;
    }

    /**
     * 清掉背包槽上不属于本字块的数字皮。
     * 交换后旧数字若被摘到格子节点下，会和新数字叠在一起。
     * @param host 背包槽节点
     */
    sweepForeignNumbers(host: Node): void {
        if (!host?.isValid) return;
        const children = host.children;
        for (let i = children.length - 1; i >= 0; i--) {
            const child = children[i];
            if (!child?.isValid || child === this.node) continue;
            if (!this._isNumberFaceName(child.name)) continue;
            this._putNumberNode(child);
        }
    }

    /** 当前数字节点回池 */
    private _putNumberNode(node: Node | null): void {
        if (!node?.isValid) return;
        Tween.stopAllByTarget(node);
        node.off(Node.EventType.TOUCH_START, this._relayTouchToDragSurface, this);
        node.off(Node.EventType.TOUCH_MOVE, this._relayTouchToDragSurface, this);
        node.off(Node.EventType.TOUCH_END, this._relayTouchToDragSurface, this);
        node.off(Node.EventType.TOUCH_CANCEL, this._relayTouchToDragSurface, this);
        if (node['resKey']) gg.res.putNode(node);
        else node.destroy();
    }

    /**
     * 从对象池取出数字预制体。
     * @param num Hero.number
     */
    private _takeNumberNode(num: number): Node | null {
        const name = String(num);
        let node: Node | null = null;
        try {
            node = gg.res.getNode(BATTLE_HERO_NUM_PATH, name, GBundle.BattleHero);
        } catch (e) {
            console.error('[TextGrid] 数字预制体加载失败', name, String(e));
            return null;
        }
        if (!node?.isValid) {
            console.error('[TextGrid] 数字预制体缺失', name);
            return null;
        }
        return node;
    }

    /**
     * 把数字预制体挂到 skin。
     * @param node 出池节点
     */
    private _attachNumberNode(node: Node): boolean {
        this._ensureSkinNode();
        const skin = this._skinNode;
        if (!skin?.isValid) {
            console.error('[TextGrid] skin 节点缺失，无法挂数字', node.name);
            this._putNumberNode(node);
            return false;
        }
        skin.active = true;
        // 五行数字走子节点 Spine；关掉 skin 自带 Skeleton，避免盖住数字或抢 Sorting2D
        const skinSk = skin.getComponent(sp.Skeleton);
        if (skinSk?.isValid) skinSk.enabled = false;
        node.parent = skin;
        node.layer = this.node.layer;
        node.setPosition(0, 0, 0);
        this._ensureNumberGlyphSorting(node);
        this._forwardChildTouchToSurface();
        return true;
    }

    /**
     * 强制恢复五行数字可见（拖回背包 / 飞行露字）。
     * @param show 是否显示数字皮
     * @param syncSkill 是否对账 HeroActor（飞行露字阶段传 false）
     * @returns 是否曾修复
     */
    private _repairElementNumberGlyph(show: boolean, syncSkill: boolean): boolean {
        let repaired = false;
        this._ensureSkinNode();
        const skin = this._skinNode;
        if (skin?.isValid && !skin.active) {
            skin.active = true;
            repaired = true;
        }
        const before = this._numberNode;
        this._applyNumberGlyph(show);
        if (show && this._numberNode?.isValid) {
            if (skin?.isValid && this._numberNode.parent !== skin) {
                if (!this._attachNumberNode(this._numberNode)) {
                    this._numberNode = null;
                    this._elementSkinApplied = '';
                    console.warn('[TextGrid] 数字节点无法挂回 skin', this.weapon2Id, this.location);
                } else {
                    repaired = true;
                }
            }
            if (this._numberNode?.isValid) {
                if (!this._numberNode.active) {
                    this._numberNode.active = true;
                    repaired = true;
                }
                const sk = this._numberNode.getComponent(sp.Skeleton);
                if (sk?.isValid) {
                    if (!sk.enabled) {
                        sk.enabled = true;
                        repaired = true;
                    }
                    sk.paused = false;
                    sk.timeScale = 1;
                    sk.setAnimationCacheMode(sp.SpineAnimationCacheMode.REALTIME);
                    if (this._elementSkinApplied) {
                        this._playElementSkin(this._numberNode, this._elementSkinApplied);
                    }
                }
                // 数字就绪后再关 skin 自带 Skeleton，避免修失败只剩 ebg
                const skinSk = skin?.getComponent(sp.Skeleton);
                if (skinSk?.isValid && skinSk.enabled) {
                    skinSk.enabled = false;
                    repaired = true;
                }
            }
        }
        if (show && !this._numberNode?.isValid) {
            console.warn('[TextGrid] 数字皮修复失败，回退 skin Skeleton', this.weapon2Id, this.location);
            const skinSk = skin?.getComponent(sp.Skeleton);
            if (skinSk?.isValid) skinSk.enabled = true;
        }
        if (before !== this._numberNode) repaired = true;
        if (syncSkill) this._syncNumberSkill();
        return repaired;
    }

    /** 数字 Spine 与字形 Sorting2D 对齐 */
    private _ensureNumberGlyphSorting(node: Node): void {
        let sorting = node.getComponent(Sorting2D);
        if (!sorting) sorting = node.addComponent(Sorting2D);
        sorting.sortingLayer = TEXT_GRID_BUFF_FX_SORT_LAYER;
        sorting.sortingOrder = TEXT_GRID_GLYPH_SORT_ORDER;
    }

    /** host 下残留数字节点回池 */
    private _recycleNumberChildren(host: Node | null): void {
        if (!host?.isValid) return;
        const children = host.children;
        for (let i = children.length - 1; i >= 0; i--) {
            const child = children[i];
            if (!child?.isValid || child === this._numberNode) continue;
            if (!this._isNumberFaceName(child.name)) continue;
            this._putNumberNode(child);
        }
    }

    /** 挂载倍率卡/属性卡预制体（battleHero/prefab/buff） */
    private _applyBattleCardVisual(prefabName: string): void {
        this._clearBattleCardVisual();
        let node: Node | null = null;
        try {
            node = gg.res.getNode(BATTLE_HERO_BUFF_PATH, prefabName, GBundle.BattleHero);
        } catch (e) {
            console.log('[TextGrid] 产卡预制体加载异常', prefabName, String(e));
            return;
        }
        if (!node?.isValid) {
            console.log('[TextGrid] 产卡预制体缺失', prefabName);
            return;
        }
        node.name = '_battleCardFx';
        node.parent = this.node;
        node.setPosition(0, 0, 0);
        node.active = true;
    }

    /** 回收产卡预制体 */
    private _clearBattleCardVisual(): void {
        const child = this.node.getChildByName('_battleCardFx');
        if (!child?.isValid) return;
        gg.res.putNode(child);
    }

    /** 关掉当前数字皮并归还对象池 */
    private _hideNumberNodes(): void {
        const held = this._numberNode;
        this._numberNode = null;
        this._elementSkinApplied = '';
        this._putNumberNode(held);
        this._recycleNumberChildren(this._skinNode);
        this._recycleNumberChildren(this.node);
    }

    /** 旧 skin 与当前数字皮一起显隐 */
    private _setGlyphFaceActive(active: boolean): void {
        if (this._skinNode?.isValid) this._skinNode.active = active;
        if (!this._numberNode?.isValid) return;
        this._numberNode.active = active;
        if (!active) return;
        const sk = this._numberNode.getComponent(sp.Skeleton);
        if (sk?.isValid) sk.enabled = true;
    }

    /**
     * 按 Hero.number 出池数字预制体并切五行皮。
     * @param show 是否可见（成将盖住时仍选中节点但保持关闭）
     */
    private _applyNumberGlyph(show: boolean): void {
        const tile = this._entity?.tile;
        if (!tile) {
            this._hideNumberNodes();
            return;
        }
        const herotype = Math.floor(Number(tile.type));
        const level = this._resolveDisplayLevel();
        const hero = this._heroByTypeLevel(herotype, level);
        if (!hero) {
            console.log('[TextGrid] 无英雄编号', this.weapon2Id, 'type=', herotype, 'level=', level);
            this._hideNumberNodes();
            return;
        }
        const num = Math.floor(Number(hero.number));
        if (!(num > 0)) {
            console.log('[TextGrid] Hero.number 无效', hero.id, hero.number);
            this._hideNumberNodes();
            return;
        }
        const skinName = this._elementSkinName(herotype);
        if (!skinName) {
            console.log('[TextGrid] 五行皮肤未定义', herotype, 'hero=', hero.id);
            this._hideNumberNodes();
            return;
        }
        const faceName = String(num);
        if (this._numberNode?.isValid && this._numberNode.name === faceName && this._elementSkinApplied === skinName) {
            this._ensureSkinNode();
            if (this._skinNode?.isValid) {
                this._skinNode.active = true;
                if (this._numberNode.parent !== this._skinNode) {
                    if (!this._attachNumberNode(this._numberNode)) return;
                } else {
                    const skinSk = this._skinNode.getComponent(sp.Skeleton);
                    if (skinSk?.isValid) skinSk.enabled = false;
                }
            }
            if (this._numberNode.active !== show) this._numberNode.active = show;
            if (show) {
                const sk = this._numberNode.getComponent(sp.Skeleton);
                if (sk?.isValid) {
                    sk.enabled = true;
                    sk.paused = false;
                    sk.timeScale = 1;
                    this._playElementSkin(this._numberNode, skinName);
                }
            }
            this._recycleNumberChildren(this._skinNode);
            this._recycleNumberChildren(this.node);
            this._syncElementVisualChannel();
            return;
        }
        this._hideNumberNodes();
        const node = this._takeNumberNode(num);
        if (!node) return;
        if (!this._attachNumberNode(node)) return;
        this._numberNode = node;
        node.active = true;
        this._playElementSkin(node, skinName);
        this._elementSkinApplied = skinName;
        node.active = show;
        this._syncElementVisualChannel();
    }

    /**
     * 武器本地 X（wPosX[等级-1]，须靠左为负）。
     */
    weaponLocalX(): number {
        const fallback = -WEAPON_LEFT_OFFSET_PX;
        const arr = this.wPosX;
        if (!arr?.length) {
            console.error('[TextGrid] wPosX 未配置', this.weapon2Id, this.level);
            return fallback;
        }
        const idx = Math.max(0, Math.min(Math.floor(this.level) - 1, arr.length - 1));
        const x = Number(arr[idx]);
        if (!Number.isFinite(x) || x >= 0) {
            console.error('[TextGrid] wPosX 须为负（靠左）', this.weapon2Id, this.level, arr[idx]);
            return fallback;
        }
        return x;
    }

    /** 把数字 Spine / 武器 X 同步到 HeroActor 视觉通道 */
    private _syncElementVisualChannel(actor?: HeroActor | null): void {
        const a = actor ?? this.getComponent(HeroActor);
        if (!a) return;
        const sk = this._numberNode?.isValid ? this._numberNode.getComponent(sp.Skeleton) : null;
        a.visualChannel.setGlyphAnim(sk?.isValid ? sk : null);
        a.visualChannel.setWeaponLocalX(this.weaponLocalX());
    }

    /** 数字节点切五行皮并播待机 */
    private _playElementSkin(node: Node, skinName: string): void {
        const sk = node.getComponent(sp.Skeleton);
        if (!sk?.isValid) {
            console.log('[TextGrid] 数字节点缺少 Skeleton', node.name, this.weapon2Id);
            return;
        }
        const sd = sk.skeletonData;
        if (!sd?.isValid) {
            sk.enabled = false;
            console.error('[TextGrid] 数字节点 skeletonData 无效', node.name, this.weapon2Id);
            return;
        }
        sk.enabled = true;
        sk.setAnimationCacheMode(sp.SpineAnimationCacheMode.REALTIME);
        ensureSpineSkeletonDataRuntime(sd);
        if (!glyphSpineHasSkin(sk, skinName)) {
            console.log('[TextGrid] 数字皮不存在', skinName, node.name, this.weapon2Id);
            return;
        }
        sk.setSkin(skinName);
        sk.setSlotsToSetupPose();
        const runtime = sd.getRuntimeData?.(true);
        if (runtime?.findAnimation?.('待机')) {
            sk.setAnimation(0, '待机', true);
        }
    }

    /** 按当前显示等级刷新五行数字皮 */
    private _updateLevelLabel(): void {
        if (!this._isElementNumberTile()) {
            this._hideNumberNodes();
            this._syncNumberSkill();
            return;
        }
        // 背包始终显示数字；地图上仅在未被 HeroActor 盖住时显示
        const show = this.location?.kind === 'bag' || !this._shouldHideGridSkin();
        this._applyNumberGlyph(show);
        this._syncNumberSkill();
    }

    /** 显示等级：以 setData 写入的 level 为准（与 tile / 组合数据同步） */
    private _resolveDisplayLevel(): number {
        return this.level;
    }

    /** 地图字块等级变更后刷新数字皮（免全量 setData） */
    applyMapLevel(level: number): void {
        if (!this.isValid) return;
        const lv = Math.max(1, Math.floor(level) || 1);
        this.level = lv;
        if (this._entity) {
            const comp = this._entity.composition
                ? { ...this._entity.composition, level: lv }
                : null;
            this._entity = { ...this._entity, level: lv, composition: comp };
        }
        this._updateLevelLabel();
        this._syncSkillActiveState();
    }

    private _ensureDragSurface(): void {
        const { width, height } = this._resolveDragSurfaceSize();
        if (this._dragSurface?.isValid) {
            this._dragSurface.getComponent(UITransform)?.setContentSize(width, height);
            this._dragSurface.setSiblingIndex(this.node.children.length - 1);
            return;
        }
        const surface = new Node('__dragSurface');
        surface.parent = this.node;
        surface.setPosition(0, 0, 0);
        surface.addComponent(UITransform).setContentSize(width, height);
        if (!surface.getComponent(BlockInputEvents)) surface.addComponent(BlockInputEvents);
        surface.setSiblingIndex(this.node.children.length - 1);
        this._dragSurface = surface;
        this._bindClickSurface();
    }

    private _resolveDragSurfaceSize(): { width: number; height: number } {
        const cell = BattleMapSpec.CELL_SIZE;
        const nodeUt = this.node.getComponent(UITransform);
        if (nodeUt && nodeUt.contentSize.width > 0 && nodeUt.contentSize.width <= cell * 2) {
            return { width: nodeUt.contentSize.width, height: nodeUt.contentSize.height };
        }
        return { width: cell, height: cell };
    }

    /** 子节点触摸转发给拖拽面 */
    private _relayTouchToDragSurface(e: EventTouch): void {
        const surface = this._dragSurface;
        if (!surface?.isValid) return;
        e.preventSwallow = true;
        surface.emit(e.type, e);
    }

    /**
     * 绑定触摸转发。
     * @param node 子节点
     */
    private _bindTouchRelay(node: Node): void {
        node.off(Node.EventType.TOUCH_START, this._relayTouchToDragSurface, this);
        node.off(Node.EventType.TOUCH_MOVE, this._relayTouchToDragSurface, this);
        node.off(Node.EventType.TOUCH_END, this._relayTouchToDragSurface, this);
        node.off(Node.EventType.TOUCH_CANCEL, this._relayTouchToDragSurface, this);
        node.on(Node.EventType.TOUCH_START, this._relayTouchToDragSurface, this);
        node.on(Node.EventType.TOUCH_MOVE, this._relayTouchToDragSurface, this);
        node.on(Node.EventType.TOUCH_END, this._relayTouchToDragSurface, this);
        node.on(Node.EventType.TOUCH_CANCEL, this._relayTouchToDragSurface, this);
    }

    private _forwardChildTouchToSurface(): void {
        if (!this._dragSurface) return;
        const children = this.node.children;
        for (let i = 0; i < children.length; i++) {
            const child = children[i];
            if (!child?.isValid || child === this._dragSurface) continue;
            this._bindTouchRelay(child);
        }
        const skin = this._skinNode;
        if (!skin?.isValid) return;
        const nested = skin.children;
        for (let i = 0; i < nested.length; i++) {
            const child = nested[i];
            if (!child?.isValid) continue;
            this._bindTouchRelay(child);
        }
    }

    /** 按 Hero.res 刷新 skin 节点 Spine */
    private _applySkinIcon(iconName: string): void {
        const name = this._normalizeIconName(iconName);
        if (!name) return;
        this._ensureSkinNode();
        const skinNode = this._skinNode;
        if (!skinNode?.isValid) {
            console.error('[TextGrid] skin 节点缺失', name);
            return;
        }
        if (this._skinIconName === name) {
            if (!this._shouldHideGridSkin()) {
                skinNode.active = true;
            }
            this.resetSkinPresentation();
            const sk = this._getSkinSkeleton();
            if (sk) sk.enabled = true;
            this._applySkinSpineIcon(name);
            return;
        }
        this._skinIconName = name;
        if (!this._shouldHideGridSkin()) {
            skinNode.active = true;
        }
        const sk = this._getSkinSkeleton();
        if (sk) sk.enabled = true;
        this.resetSkinPresentation();
        this._applySkinSpineIcon(name);
        this._ensureDragSurface();
        this._forwardChildTouchToSurface();
    }

    /** skin 节点 Spine 切 Hero.res 并播待机 */
    private _applySkinSpineIcon(iconName: string): void {
        const sk = this._getSkinSkeleton();
        if (!sk?.isValid) {
            console.log('[TextGrid] skin 节点缺少 sp.Skeleton', iconName, this.weapon2Id);
            return;
        }
        sk.enabled = true;
        // 池化复用后强制 REALTIME，避免 SHARED/PRIVATE 缓存与换肤叠出空网格
        sk.setAnimationCacheMode(sp.SpineAnimationCacheMode.REALTIME);
        if (!applyGlyphSpineSkin(sk, iconName)) {
            console.log('[TextGrid] Spine 皮肤未能应用', iconName, this.weapon2Id);
        }
        if (sk.skeletonData) ensureSpineSkeletonDataRuntime(sk.skeletonData);
        const runtime = sk.skeletonData?.getRuntimeData?.(true);
        if (runtime?.findAnimation?.('待机')) {
            sk.setAnimation(0, '待机', true);
        }
    }

    private _normalizeIconName(icon: unknown): string | null {
        if (typeof icon === 'string') {
            const name = icon.trim();
            return name || null;
        }
        return null;
    }

    /** 同步英雄表现：隐藏格子皮 / 显示 HeroActor */
    syncHeroPresentation(): void {
        this._finishSkinPresentation();
    }

    private _finishSkinPresentation(): void {
        this._heroActorRetry = 0;
        this._syncSkillActiveState();
        GEvent.Ins.emit(GEvent.UpdateBestPlace);
    }

    /** 本格属于已成将的 HeroActor 组合（不论英雄皮是否已挂上） */
    private _isHeroActorComposeCell(): boolean {
        const composition = this._getComposition();
        if (composition == null || !isHeroActorWeapon1(composition.weapon1Id)) return false;
        const loc = this.location;
        if (loc?.kind !== 'map') return false;
        return this._compHasGrid(composition, loc.gridIndex);
    }

    /** 本格已编入 HeroActor 且英雄字形已挂上：藏格子皮。预制体失败/异步未到时仍显示原单字 */
    private _shouldHideSkinForHeroActor(): boolean {
        if (!this._isHeroActorComposeCell()) return false;
        const loc = this.location;
        if (loc?.kind !== 'map') return false;
        // 飞行透明隐藏中须露字皮，否则拖回背包只剩 ebg
        if (HeroActorHost.instance.isFlightHiddenAtGrid(loc.gridIndex)) return false;
        const composition = this._getComposition();
        return composition != null && this._isHeroDisplayOnThisCell(composition);
    }

    /** 格子皮应藏：HeroActor 已盖住当前格 */
    private _shouldHideGridSkin(): boolean {
        return this._shouldHideSkinForHeroActor();
    }

    /** 英雄皮是否盖在当前地图格（交换拆开后必须为 false） */
    private _isHeroDisplayOnThisCell(composition: ComposedUnit): boolean {
        const loc = this.location;
        if (loc?.kind !== 'map') return false;
        return HeroActorHost.instance.isDisplayVisibleAtGrid(composition, loc.gridIndex);
    }

    /** 地图字块已组合为攻击单位 → 激活；拆开或未组合 → 关闭；五行字切换 Spine 皮肤 */
    private _syncSkillActiveState(): void {
        this._syncShadow();
        this._syncNumberSkill();
        const composition = this._getComposition();
        const active = this._isMapComposedAttackUnit();
        // 五行数字与玩家同一套 Skill 通道；轻量路径只给非数字（避免对账重刷待机皮）
        if (this._aiMapLite && !this._isElementNumberTile()) {
            this._syncAiMapLitePresentation(composition, active);
            return;
        }
        // 正面 buff 特效由 CocosTowerPositiveBuffPresenter 按 AttributeComp 同步，勿在此清
        const heroActor = composition != null && isHeroActorWeapon1(composition.weapon1Id);
        const heroGlyph = this._skinIconName != null && HERO_GLYPH_RESOURCES.has(this._skinIconName);
        if (heroActor || heroGlyph) {
            this._syncHeroActorState(heroActor ? composition : null, active);
            return;
        }
        const skin = this._skinNode?.isValid ? this._skinNode : null;
        const skill = skin?.getComponent(Skill) ?? skin?.getComponentInChildren(Skill) ?? null;
        if (!skill) {
            this._setGlyphFaceActive(!this._shouldHideSkinForHeroActor());
            return;
        }
        const w2Type = WeaponComposeConfigProvider.instance.getWeapon2Type(this.weapon2Id) as Weapon2TileType;
        const entityType = this._entity?.tileType as Weapon2TileType | undefined;
        const useGlyphSkin = isElementGlyphType(w2Type) || isElementGlyphType(Number(entityType));

        // 激活态未变：升级/重建只刷等级皮，勿 abort（嫦娥领域等）
        if (skill.isActive === active) {
            if (useGlyphSkin && active) {
                skill.applyComposeTextSkin(true, this._resolveDisplayLevel());
            } else if (!active) {
                this.resetSkinPresentation();
                // 背包/未上场：强制待机（预制体 defaultAnimation 可能是「攻击」）
                if (useGlyphSkin) {
                    skill.applyComposeTextSkin(false, this._resolveDisplayLevel());
                }
                skill.onIdle();
            }
            return;
        }

        const activating = active && !skill.isActive;
        const deactivating = !active && skill.isActive;

        // 仅失活时打断；首次激活时 PresentationCue 可能同帧已开始，abort 会 cancel 掉首刀
        if (deactivating) {
            skill.abortPresentation();
            this.resetSkinPresentation();
        }

        skill.onSetActiveAtk(active);
        if (useGlyphSkin) {
            skill.applyComposeTextSkin(active, this._resolveDisplayLevel());
        }

        if (deactivating || !active) {
            skill.onIdle();
        } else if (!activating || !skill.isPresentationBusy()) {
            skill.onIdle();
        }
    }

    /** HeroActor 对账重试（DeploySync 可能晚于 TextGrid.setData） */
    private _heroActorRetry = 0;
    /** 递增作废未触发的 HeroActor 重试回调（换字后勿再开 skin） */
    private _heroActorRetryToken = 0;

    /**
     * AI 地图轻量对账：HeroActor 格只藏/显格子皮；散字只套 icon。
     * @param composition 合成体
     * @param active 是否已组成攻击单位
     */
    private _syncAiMapLitePresentation(composition: ComposedUnit | null, active: boolean): void {
        const heroActor = composition != null && isHeroActorWeapon1(composition.weapon1Id);
        if (heroActor) {
            if (this._skinNode?.isValid) this._skinNode.active = !this._shouldHideSkinForHeroActor();
            this._updateLevelLabel();
            return;
        }
        if (this._skinNode?.isValid) this._skinNode.active = true;
        if (this._skinIconName) this._applySkinSpineIcon(this._skinIconName);
        this._updateLevelLabel();
    }

    /** setData 换字时作废挂起的 HeroActor 对账 */
    private _invalidateHeroActorRetry(): void {
        this._heroActorRetryToken++;
        this._heroActorRetry = 0;
    }

    private _syncHeroActorState(composition: ComposedUnit | null, active: boolean): void {
        const loc = this.location;
        if (active && composition) {
            const map = gg.game.CurentBattle?.Map;
            let entityId: number | null = null;
            if (map) {
                entityId = loc?.kind === 'map'
                    ? TowerQueryService.instance.getRuntimeByGridIndex(loc.gridIndex)?.entityId ?? null
                    : null;
                const enemyCamp = this._isEnemyCampMapCell();
                HeroActorHost.instance.ensureVisual(composition, map, entityId, enemyCamp);
            }
            const useHeroActor = isHeroActorWeapon1(composition.weapon1Id);
            const displayReady = this._isHeroDisplayOnThisCell(composition);
            this._setGlyphFaceActive(!this._shouldHideSkinForHeroActor());
            // 皮可见 ≠ 已挂 Skill：entityId 晚到时必须继续对账，否则有皮无武器、不攻击
            const skillReady = !useHeroActor
                || loc?.kind !== 'map'
                || (entityId != null && !!HeroActorHost.instance.getActor(entityId));
            if (!displayReady || !skillReady) {
                const delay = this._heroActorRetry < 12 ? 0 : (this._heroActorRetry < 48 ? 0.08 : 0.25);
                if (this._heroActorRetry < 140) {
                    this._heroActorRetry++;
                    const token = this._heroActorRetryToken;
                    this.scheduleOnce(() => {
                        if (!this.isValid || token !== this._heroActorRetryToken) return;
                        this._syncHeroActorState(composition, active);
                    }, delay);
                } else if (useHeroActor) {
                    ClientErrorReporter.report(
                        'TextGrid_HeroActorNotReady',
                        `w1=${composition.weapon1Id}|display=${displayReady}|entity=${entityId}`,
                    );
                }
            } else {
                this._heroActorRetry = 0;
            }
            this._syncShadow();
            return;
        }
        this._heroActorRetry = 0;
        this._setGlyphFaceActive(true);
        this.resetSkinPresentation();
        this._resetGlyphSkinToBagIdle();
        // 仅当地图格曾属于已激活组合时才拆 HeroActor；散落组合字（如单独「空」）勿误伤邻格
        if (loc?.kind === 'map' && this._shouldDestroyHeroAtDeactivate(loc.gridIndex)) {
            HeroActorHost.instance.destroyAtGrid(loc.gridIndex);
        }
        this._syncShadow();
    }

    /** 本节点是否仍挂在该地图格上（对象池幽灵 / 飞行节点不算） */
    private _isLiveMapOccupant(gridIndex: number): boolean {
        const map = gg.game.CurentBattle?.Map;
        const parent = map?.getMapGridByIndex?.(gridIndex)?.node;
        return !!parent?.isValid && this.node?.parent === parent;
    }

    /**
     * 失活时是否应销毁该格 HeroActor。
     * 组合仍在场时邻格快照未带上 composition 不得拆整座 Actor。
     */
    private _shouldDestroyHeroAtDeactivate(gridIndex: number): boolean {
        if (!this._isLiveMapOccupant(gridIndex)) return false;
        if (!HeroActorHost.instance.hasActorAtGrid(gridIndex)) return false;
        if (this._findComposition()) return false;
        return true;
    }

    /** 收回背包：恢复 Hero.res 待机皮 */
    private _resetGlyphSkinToBagIdle(): void {
        if (!this._skinIconName) return;
        this._applySkinSpineIcon(this._skinIconName);
    }

    /**
     * 地图五行数字挂 HeroActor：普攻走 Skill 表，武器播 Skill.animation。
     * @param heroId Hero.id
     * @param entityId 塔实体
     */
    ensureNumberSkill(heroId: number, entityId: EntityId): Skill | null {
        if (!this._isElementNumberTile() || this.location?.kind !== 'map') return null;
        const hid = Math.floor(Number(heroId) || 0);
        if (!(hid > 0)) return null;
        let actor = this.getComponent(HeroActor);
        if (!actor) actor = this.addComponent(HeroActor);
        actor.setHeroId(hid);
        actor.bindEntity(entityId);
        this._syncElementVisualChannel(actor);
        if (!actor.isActive) {
            actor.isActive = true;
            actor.onUpdateActive(true);
        } else if (!actor.isPresentationBusy() && !actor.visualChannel.isCastOrRestHold) {
            actor.onIdle();
        }
        return actor;
    }

    /** 收回背包或换非五行字时拆掉数字 HeroActor */
    releaseNumberSkill(): void {
        const actor = this.getComponent(HeroActor);
        if (!actor) return;
        actor.isActive = false;
        actor.onUpdateActive(false);
        actor.visualChannel.release();
        actor.destroy();
    }

    /** 地图激活数字：对账 HeroActor 与武器 */
    private _syncNumberSkill(): void {
        const onMap = this._isElementNumberTile() && this.location?.kind === 'map';
        if (!onMap) {
            this.releaseNumberSkill();
            return;
        }
        const herotype = Math.floor(Number(this._entity?.tile?.type));
        const hero = this._heroByTypeLevel(herotype, this._resolveDisplayLevel());
        if (!hero) {
            this.releaseNumberSkill();
            return;
        }
        const loc = this.location;
        if (loc?.kind !== 'map') return;
        const entityId = this._resolveMapEntityId();
        if (entityId == null) return;
        this.ensureNumberSkill(hero.id, entityId);
    }

    /**
     * 地图格对应塔实体：己方走本机，AI 轻量字走对手。
     */
    private _resolveMapEntityId(): EntityId | null {
        const loc = this.location;
        if (loc?.kind !== 'map') return null;
        const battle = gg.game.CurentBattle;
        if (!battle?.session || !battle.Map) return null;
        const player = this._aiMapLite || this._isEnemyCampMapCell()
            ? battle.remotePlayer
            : battle.player;
        if (!player) return null;
        return findEntityIdByGridIndex(loc.gridIndex, battle.session, battle.Map, player);
    }

    /** 当前字块在地图上且属于有效组合（含单格 Weapon1） */
    private _isMapComposedAttackUnit(): boolean {
        const loc = this.location;
        if (loc?.kind !== 'map') return false;
        return this._getComposition() != null;
    }
}