// ===== 3DTank公共库 - 工具文件共享辅助函数 =====
// 在浏览器控制台运行（需先运行 hook_gamemode.js）
// 功能：提供坦克查询、队伍判断、相机信息、3D投影等公共函数
// 用法：各工具文件通过 var lib = window.__hornetLib__ 访问

(function() {
  console.log('===== 3DTank公共库加载 =====');

  if (!window.__gameMode__) {
    console.warn('[公共库] window.__gameMode__ 暂未捕获，工具启动时将失败。hook_gamemode.js 已安装 Hook，战斗中会自动捕获');
  }

  // ===== 缓存队伍判断函数（ZCt/m2Fn） =====
  var ZCt = null, m2Fn = null;

  // 加载队伍判断函数（从 module_87072 导出）
  // ZCt (mod.$_$.kd): 从坦克对象获取队伍ID
  // m2  (mod.$_$.rk): 判断两个队伍ID是否相同且非中立 = t.equals(n) && !t.equals(E$())
  function LoadTeamFunctions() {
    if (ZCt && m2Fn) return { ZCt: ZCt, m2Fn: m2Fn };
    try {
      var mod87072 = window.__wp_require__(87072);
      if (mod87072 && mod87072.$_$) {
        ZCt = mod87072.$_$.kd;
        m2Fn = mod87072.$_$.rk;
        console.log('[公共库] 队伍判断函数已加载: ZCt=' + (typeof ZCt) + ', m2=' + (typeof m2Fn));
      }
    } catch(e) {
      console.warn('[公共库] 加载队伍判断函数失败:', e.message);
    }
    return { ZCt: ZCt, m2Fn: m2Fn };
  }

  // ===== 从 entity 获取包含指定字段的组件 =====
  // 遍历 entity.wyj_1.r2a_1（Map<组件标识, 组件列表>），value 是列表类(s_)，g1(0) 获取实际组件
  // 注意：用 !== undefined 检查字段存在性，避免 falsy 值（0/""/null/false）漏判
  function FindComponentByField(entity, fieldName) {
    if (!entity || !entity.qz1_1 || !entity.qz1_1.s2a_1) return null;
    var result = null;
    entity.qz1_1.s2a_1.forEach(function(valueList, key) {
      if (result) return;
      try {
        var comp = (valueList && typeof valueList.g1 === 'function') ? valueList.g1(0) : valueList;
        if (comp && comp[fieldName] !== undefined) result = comp;
      } catch(e) {}
    });
    return result;
  }

  // ===== 获取坦克位置（物理组件里的位置向量） =====
  // 物理组件的字段名每个构建都可能平移，这里按"含 f20_1/g20_1/h20_1 的 O$ 向量"做多级探测：
  //   ejt（tankPhysics）里可能的候选字段都试一遍，命中即用。
  // 返回 {x, y, z}，x/y 水平面，z 高度
  var POS_FIELDS = ['xzq_1', 'uzq_1', 'azr_1', 'bzr_1', 'dzr_1', 'izr_1', 'jzr_1', 'rzf_1', 'gzh_1', 'pz7_1'];
  function GetTankPosition(tank) {
    for (var i = 0; i < POS_FIELDS.length; i++) {
      var Key = POS_FIELDS[i];
      var Comp = null;
      try { Comp = FindComponentByField(tank, Key); } catch (e) { Comp = null; }
      if (Comp && Comp[Key] && typeof Comp[Key].f20_1 === 'number') {
        return { x: Comp[Key].f20_1, y: Comp[Key].g20_1, z: Comp[Key].h20_1 };
      }
    }
    // 兜底 1：遍历坦克全部组件，找任意"带 O$ 向量"的组件
    var Found = null;
    try {
      tank.qz1_1.s2a_1.forEach(function (valueList) {
        if (Found) return;
        var comp = (valueList && typeof valueList.g1 === 'function') ? valueList.g1(0) : valueList;
        if (!comp) return;
        for (var K in comp) {
          var V = comp[K];
          if (V && typeof V === 'object' && typeof V.f20_1 === 'number' && typeof V.g20_1 === 'number' && typeof V.h20_1 === 'number') {
            if (Math.abs(V.f20_1) < 1e6 && Math.abs(V.g20_1) < 1e6 && Math.abs(V.h20_1) < 1e6) {
              Found = { x: V.f20_1, y: V.g20_1, z: V.h20_1 };
              return;
            }
          }
        }
      });
    } catch (e) {}
    if (Found) return Found;

    // 兜底 2：矩阵式位置 —— 引擎的世界矩阵通常是长度 ≥16 的数组，[12],[13],[14] 是平移分量
    try {
      tank.qz1_1.s2a_1.forEach(function (valueList) {
        if (Found) return;
        var comp = (valueList && typeof valueList.g1 === 'function') ? valueList.g1(0) : valueList;
        if (!comp) return;
        for (var K in comp) {
          var M = comp[K];
          if (M && typeof M === 'object' && typeof M.length === 'number' && M.length >= 15) {
            var X = M[12], Y = M[13], Z = M[14];
            if (typeof X === 'number' && typeof Y === 'number' && typeof Z === 'number' &&
                Math.abs(X) < 1e6 && Math.abs(Y) < 1e6 && Math.abs(Z) < 1e6 &&
                (X !== 0 || Y !== 0 || Z !== 0)) {
              Found = { x: X, y: Y, z: Z };
              return;
            }
          }
        }
      });
    } catch (e) {}
    return Found;
  }

  // ===== 获取坦克状态值（Yjt 组件的 vzr_1.k3_1） =====
  // 状态枚举：0=DEAD, 1=DEAD_PHANTOM, 2=SEMI_ACTIVE, 3=ACTIVE, 4=DISABLED
  // Yjt 特征：有 azs_1（状态机）和 vzr_1（状态枚举）字段
  function GetTankState(tank) {
    if (!tank || !tank.qz1_1 || !tank.qz1_1.s2a_1) return -1;
    var tankComp = null;
    tank.qz1_1.s2a_1.forEach(function(valueList, key) {
      if (tankComp) return;
      try {
        var comp = (valueList && typeof valueList.g1 === 'function') ? valueList.g1(0) : valueList;
        if (comp && comp.p10c_1 && comp.k10c_1 !== undefined) tankComp = comp;
      } catch(e) {}
    });
    if (tankComp && tankComp.k10c_1) return tankComp.k10c_1.k3_1;
    return -1;
  }

  // 可见/战斗中的坦克 = ACTIVE(3) 或 SEMI_ACTIVE(2)
  // 依据：引擎用 tankComponent.s14j()（= SEMI_ACTIVE || ACTIVE）决定该坦克节点是否渲染，
  //       只认 ACTIVE 会漏掉半活跃状态（出生/过渡）的坦克
  function IsTankAlive(tank) {
    var s = GetTankState(tank);
    return s === 2 || s === 3;
  }

  // ===== 获取坦克名称（yot 用户信息组件） =====
  // s120_1 = userName, u120_1 = clanTag（可为null）, t120_1 = userRank
  function GetTankName(tank) {
    var userComp = FindComponentByField(tank, 'c12n_1');
    if (!userComp) return null;
    var name = userComp.c12n_1 || '';
    var clanTag = userComp.e12n_1 || '';
    return clanTag ? (clanTag + ' ' + name) : name;
  }

  // ===== 获取坦克血量（Vkt 血量组件） =====
  // f122_1 = 最大血量(max), g122_1 = 当前血量(current, 死亡时=0)
  function GetTankHealth(tank) {
    var healthComp = FindComponentByField(tank, 'q12o_1');
    if (!healthComp) return null;
    var max = healthComp.p12o_1 || 0;
    var cur = healthComp.q12o_1 || 0;
    if (max <= 0) return null;
    return { current: cur, max: max, percent: cur / max };
  }

  // ===== 装备分数（战斗 GS：BattleGearScoreCC.score 落在组件的 cjf_1 上） =====
  // 来源：module_85183 的 BattleGearScoreCC（score = cjf_1）；战斗内每辆坦克各有一份
  function GetGearScore(tank) {
    var c = FindComponentByField(tank, 'cjf_1');
    if (!c || typeof c.cjf_1 !== 'number') return null;
    return c.cjf_1;
  }

  // ===== 人机识别 =====
  // 规则：**同一队伍**内，**装备分数相同**的坦克（且分数 < maxScore，默认 8000）判为人机。
  //       组内唯一的分数不算（真人装备各不相同，机器人往往整队同款）。
  // 用法：工具定期调用 ScanBots()（约每 0.3 秒一次即可），再用 IsBot(tank) 查询。
  var BotSet = new Set();
  function ScanBots(opt) {
    opt = opt || {};
    var MaxScore = typeof opt.maxScore === 'number' ? opt.maxScore : 8000;
    BotSet = new Set();
    var gm = window.__gameMode__;
    if (!gm || !gm.m10b_1) return BotSet;
    var playerTank = GetPlayerTank(gm);
    var list, n;
    try { list = gm.m10b_1.j11y(); n = list.e1(); } catch (e) { return BotSet; }
    var Groups = { ally: {}, enemy: {} };          // 组 → { 分数 → [坦克...] }
    for (var i = 0; i < n; i++) {
      var tank = list.g1(i);
      if (!tank) continue;
      var gs = GetGearScore(tank);
      if (gs === null || gs >= MaxScore) continue;  // 只统计低于阈值的
      var g = IsFriendly(tank, playerTank, gm) ? 'ally' : 'enemy';
      (Groups[g][gs] = Groups[g][gs] || []).push(tank);
    }
    ['ally', 'enemy'].forEach(function (g) {
      var Bag = Groups[g];
      Object.keys(Bag).forEach(function (gs) {
        var Arr = Bag[gs];
        if (Arr.length >= 2) Arr.forEach(function (t) { BotSet.add(t); });   // 同队同分 → 人机
      });
    });
    return BotSet;
  }
  function GetBotSet() { return BotSet; }
  function IsBot(tank) { return BotSet.has(tank); }

  // ===== 获取玩家坦克 =====
  // 优先 ezr_1（当前观察坦克），备用 fzr_1（本地控制坦克），再备用坦克列表第一个
  // checkPosition: 是否检查位置有效性（默认true；测试脚本传false以在死亡状态控制）
  function GetPlayerTank(gm, checkPosition) {
    if (checkPosition === undefined) checkPosition = true;
    var t = gm.t10b_1;
    if (t && (!checkPosition || GetTankPosition(t))) return t;
    t = gm.u10b_1;
    if (t && (!checkPosition || GetTankPosition(t))) return t;
    try {
      var tl = gm.m10b_1.j11y();
      if (tl.e1() > 0) {
        t = tl.g1(0);
        if (t && (!checkPosition || GetTankPosition(t))) return t;
      }
    } catch(e) {}
    return null;
  }

  // ===== 判断是否友方 =====
  // 策略1（优先）：ZCt 获取双方队伍ID，m2 比较（同队且非中立）
  // 策略2（备用）：比较 gm.gzr_1（本地队伍ID）与坦克队伍ID
  function IsFriendly(tank, playerTank, gm) {
    if (!tank || !playerTank) return false;
    if (ZCt && m2Fn) {
      try {
        var tankTeam = ZCt(tank);
        var playerTeam = ZCt(playerTank);
        if (tankTeam && playerTeam) return m2Fn(tankTeam, playerTeam);
      } catch(e) {}
    }
    try {
      if (gm && gm.v10b_1 && ZCt) {
        var team = ZCt(tank);
        if (team && gm.v10b_1) {
          return team.equals(gm.v10b_1) && m2Fn ? m2Fn(team, gm.v10b_1) : team.equals(gm.v10b_1);
        }
      }
    } catch(e) {}
    return false;
  }

  // ===== 获取相机信息（$r/gq 相机组件） =====
  // 遍历 GameMode entity 和所有坦克 entity 查找活跃相机组件
  // 策略1：查找 $r/gq 相机组件（有 kym_1 位置 和 lym_1 方向）
  // 策略2：查找 k7 相机控制器（有 qz9_1 和 jzh_1），从 jzh_1 获取相机组件
  // 返回 {yaw, pitch, fov, pos:{x,y,z}}
  // 注意：lym_1.h20_1 是 roll（绕Z），lym_1.f20_1 是 pitch（绕X）
  function GetCameraInfo(gm) {
    var entities = [];
    try {
      var gameScene = gm.lz4().jz1_1;
      var gmEntity = gm.lz4();
      if (gmEntity) entities.push(gmEntity);
    } catch(e) {}
    try {
      var tankList = gm.m10b_1.j11y();
      var tCount = tankList.e1();
      for (var i = 0; i < tCount; i++) {
        var t = tankList.g1(i);
        if (t) entities.push(t);
      }
    } catch(e) {}

    for (var i = 0; i < entities.length; i++) {
      var entity = entities[i];
      if (!entity || !entity.qz1_1 || !entity.qz1_1.s2a_1) continue;
      var found = null;
      entity.qz1_1.s2a_1.forEach(function(valueList, key) {
        if (found) return;
        try {
          var comp = (valueList && typeof valueList.g1 === 'function') ? valueList.g1(0) : valueList;
          if (!comp) return;
          // 策略1：$r/gq 相机组件
          if (comp.cyw_1 && comp.dyw_1 &&
              comp.cyw_1.f20_1 !== undefined && comp.dyw_1.f20_1 !== undefined) {
            if (Math.abs(comp.dyw_1.h20_1) > 0.001 || Math.abs(comp.dyw_1.f20_1) > 0.001) {
              found = comp;
              return;
            }
          }
          // 策略2：k7 相机控制器
          if (comp.jzj_1 && comp.zzi_1) {
            var camComp = comp.zzi_1;
            if (camComp && camComp.cyw_1 && camComp.dyw_1 &&
                (Math.abs(camComp.dyw_1.h20_1) > 0.001 || Math.abs(camComp.dyw_1.f20_1) > 0.001)) {
              found = camComp;
              return;
            }
          }
        } catch(e) {}
      });
      if (found) {
        return {
          yaw: found.dyw_1.h20_1,
          pitch: found.dyw_1.f20_1,
          fov: found.byw_1 || 1.0471976,
          pos: {
            x: found.cyw_1.f20_1,
            y: found.cyw_1.g20_1,
            z: found.cyw_1.h20_1
          }
        };
      }
    }
    return null;
  }

  // ===== 获取全局碰撞检测器（uMt 组件，挂在 GameMode entity 上） =====
  // g16x(startVec, dirVec, maxDist, resultObj, filterObj) = 全局射线检测
  function GetUMtComponent(gm) {
    try {
      var gmEntity = gm.lz4();
      if (!gmEntity || !gmEntity.qz1_1 || !gmEntity.qz1_1.s2a_1) return null;
      var uMt = null;
      gmEntity.qz1_1.s2a_1.forEach(function(valueList, key) {
        if (uMt) return;
        try {
          var comp = (valueList && typeof valueList.g1 === 'function') ? valueList.g1(0) : valueList;
          if (comp && typeof comp.a17p === 'function') uMt = comp;
        } catch(e) {}
      });
      return uMt;
    } catch(e) {
      return null;
    }
  }

  // ===== 构造 mock O$ 向量（用于射线检测接口） =====
  function MkVec(x, y, z) {
    return {
      f20_1: x || 0, g20_1: y || 0, h20_1: z || 0,
      k26: function(t) { this.f20_1 = t.f20_1; this.g20_1 = t.g20_1; this.h20_1 = t.h20_1; },
      n23: function(x, y, z) { this.f20_1 = x; this.g20_1 = y; this.h20_1 = z; return this; }
    };
  }

  // ===== 射线检测：返回命中距离（-1=未命中/异常） =====
  // 从 fromPos 沿 (dirX,dirY,dirZ) 方向，最大距离 maxDist
  function RaycastDistance(gm, fromPos, dirX, dirY, dirZ, maxDist) {
    var uMt = GetUMtComponent(gm);
    if (!uMt) return -1;
    try {
      var startVec = MkVec(fromPos.x, fromPos.y, fromPos.z);
      var dirVec = MkVec(dirX, dirY, dirZ);
      var result = {
        y178_1: MkVec(0, 0, 0),
        z178_1: MkVec(0, 0, 0),
        a179_1: maxDist,
        q17o_1: null,
        b179_1: null,
        r17o: function(t, n, i, r, e) {
          this.y178_1.k26(t);
          this.z178_1.k26(n);
          this.a179_1 = i;
          this.q17o_1 = r;
          this.b179_1 = e;
        },
        d3: function() { this.b179_1 = null; }
      };
      var filter = {
        l1da_1: { h1: function() { return false; }, d3: function() {} },
        w179: function() { return true; },
        d3: function() { this.l1da_1.d3(); },
        m1da: function() {}
      };
      var hit = uMt.a17p(startVec, dirVec, maxDist, result, filter);
      return (hit && result.a179_1 < maxDist) ? result.a179_1 : -1;
    } catch(e) {
      return -1;
    }
  }

  // ===== 3D 到 2D 投影（用于 UI 标记） =====
  // 标准透视投影：forward/right/up 三轴正交基
  function Project3D(worldPos, camPos, yaw, pitch, fov, screenW, screenH) {
    var cp = Math.cos(pitch);
    var sp = Math.sin(pitch);
    var cy = Math.cos(yaw);
    var sy = Math.sin(yaw);
    var forward = { x: cp * (-sy), y: cp * cy, z: sp };
    var right = { x: cy, y: sy, z: 0 };
    var up = {
      x: right.y * forward.z - right.z * forward.y,
      y: right.z * forward.x - right.x * forward.z,
      z: right.x * forward.y - right.y * forward.x
    };
    var relX = worldPos.x - camPos.x;
    var relY = worldPos.y - camPos.y;
    var relZ = worldPos.z - camPos.z;
    var camX = relX * right.x + relY * right.y + relZ * right.z;
    var camY = relX * up.x + relY * up.y + relZ * up.z;
    var camZ = relX * forward.x + relY * forward.y + relZ * forward.z;
    if (camZ <= 0.1) return null;
    var focalLength = screenH / (2 * Math.tan(fov / 2));
    var screenX = screenW / 2 + (camX / camZ) * focalLength;
    var screenY = screenH / 2 - (camY / camZ) * focalLength;
    return { x: screenX, y: screenY, depth: camZ };
  }

  // ===== 用世界变换矩阵变换顶点（列主序4x4矩阵） =====
  function TransformVertex(matrix, x, y, z) {
    return {
      x: matrix[0] * x + matrix[4] * y + matrix[8] * z + matrix[12],
      y: matrix[1] * x + matrix[5] * y + matrix[9] * z + matrix[13],
      z: matrix[2] * x + matrix[6] * y + matrix[10] * z + matrix[14]
    };
  }

  // ===== 让元素可拖动（左键拖动，改变 left/top） =====
  // 适用于固定定位的小窗口（雷达、后视镜等）
  // key: 可选，传入后会把窗口位置存到 localStorage（hornet_layout_<key>）并在创建时还原
  // 实现要点：Pointer Events + setPointerCapture，保证 pointerup/pointercancel 必定回到元素，
  //           并在 window 捕获阶段兜底，避免游戏画布抢事件后"松手仍粘着鼠标"。
  function MakeDraggable(elem, key) {
    if (!elem) return null;
    elem.style.cursor = 'move';

    var StorageKey = key ? ('hornet_layout_' + key) : null;

    function ClampX(v) { return Math.max(0, Math.min(window.innerWidth - 50, v)); }
    function ClampY(v) { return Math.max(0, Math.min(window.innerHeight - 30, v)); }

    // 还原上次保存的位置
    if (StorageKey) {
      try {
        var __saved = localStorage.getItem(StorageKey);
        if (__saved) {
          var __p = JSON.parse(__saved);
          if (__p && typeof __p.left === 'number' && typeof __p.top === 'number') {
            elem.style.right = 'auto';
            elem.style.transform = 'none';
            elem.style.left = ClampX(__p.left) + 'px';
            elem.style.top = ClampY(__p.top) + 'px';
          }
        }
      } catch(e) {}
    }

    function SavePos() {
      if (!StorageKey) return;
      try {
        var r = elem.getBoundingClientRect();
        localStorage.setItem(StorageKey, JSON.stringify({ left: Math.round(r.left), top: Math.round(r.top) }));
      } catch(e) {}
    }

    var Active = false;
    var PointerId = null;
    var GrabX = 0;
    var GrabY = 0;

    function MoveTo(ClientX, ClientY) {
      elem.style.left = ClampX(ClientX - GrabX) + 'px';
      elem.style.top = ClampY(ClientY - GrabY) + 'px';
    }

    function Begin(ClientX, ClientY) {
      var Rect = elem.getBoundingClientRect();
      // 移除 right 定位，改用 left
      elem.style.right = 'auto';
      elem.style.transform = 'none';
      elem.style.left = Rect.left + 'px';
      elem.style.top = Rect.top + 'px';
      GrabX = ClientX - Rect.left;
      GrabY = ClientY - Rect.top;
      Active = true;
      elem.style.cursor = 'grabbing';
    }

    function End() {
      if (!Active) return;
      Active = false;
      if (PointerId !== null && elem.releasePointerCapture) {
        try { elem.releasePointerCapture(PointerId); } catch (Err) {}
      }
      PointerId = null;
      elem.style.cursor = 'move';
      SavePos();
    }

    if (window.PointerEvent) {
      elem.addEventListener('pointerdown', function (e) {
        if (e.button !== 0) return;
        Begin(e.clientX, e.clientY);
        PointerId = e.pointerId;
        try { elem.setPointerCapture(e.pointerId); } catch (Err) {}
        e.preventDefault();
      });
      elem.addEventListener('pointermove', function (e) {
        if (!Active || (PointerId !== null && e.pointerId !== PointerId)) return;
        if (e.buttons === 0) { End(); return; }
        MoveTo(e.clientX, e.clientY);
      });
      elem.addEventListener('pointerup', function () { End(); });
      elem.addEventListener('pointercancel', function () { End(); });
      elem.addEventListener('lostpointercapture', function () { End(); });
      window.addEventListener('pointerup', function () { End(); }, true);
    } else {
      elem.addEventListener('mousedown', function (e) {
        if (e.button !== 0) return;
        Begin(e.clientX, e.clientY);
        e.preventDefault();
      });
      document.addEventListener('mousemove', function (e) {
        if (!Active) return;
        if (e.buttons === 0) { End(); return; }
        MoveTo(e.clientX, e.clientY);
      }, true);
      document.addEventListener('mouseup', function () { End(); }, true);
    }

    window.addEventListener('blur', End);
    window.addEventListener('mouseleave', End);

    return { End: End, IsActive: function () { return Active; } };
  }

  // ===== 导出公共函数到 window.__hornetLib__ =====
  window.__hornetLib__ = {
    LoadTeamFunctions: LoadTeamFunctions,
    FindComponentByField: FindComponentByField,
    GetTankPosition: GetTankPosition,
    GetTankState: GetTankState,
    IsTankAlive: IsTankAlive,
    GetTankName: GetTankName,
    GetTankHealth: GetTankHealth,
    GetGearScore: GetGearScore,
    ScanBots: ScanBots,
    GetBotSet: GetBotSet,
    IsBot: IsBot,
    GetPlayerTank: GetPlayerTank,
    IsFriendly: IsFriendly,
    GetCameraInfo: GetCameraInfo,
    GetUMtComponent: GetUMtComponent,
    MkVec: MkVec,
    RaycastDistance: RaycastDistance,
    Project3D: Project3D,
    TransformVertex: TransformVertex,
    MakeDraggable: MakeDraggable
  };

  console.log('[公共库] 已加载，可用函数:', Object.keys(window.__hornetLib__).join(', '));
})();