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2026-04-10 22:59:39 +08:00
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+/**
+ * GameGlobal.js
+ * Global constants, enums, and configuration for Tank War mini game.
+ */
+
+// ============================================================
+// Screen & Canvas
+// ============================================================
+const systemInfo = wx.getSystemInfoSync();
+
+const SCREEN_WIDTH = systemInfo.windowWidth;
+const SCREEN_HEIGHT = systemInfo.windowHeight;
+const DEVICE_PIXEL_RATIO = systemInfo.pixelRatio || 1;
+
+// ============================================================
+// Map Grid
+// ============================================================
+// TILE_SIZE is determined by screen height so the map fills vertically
+const GRID_ROWS = 13;
+const GRID_COLS = 21;
+const TILE_SIZE = SCREEN_HEIGHT / GRID_ROWS;
+
+const MAP_WIDTH = TILE_SIZE * GRID_COLS;
+const MAP_HEIGHT = TILE_SIZE * GRID_ROWS;
+// Center map on screen — controls (joystick & fire button) overlay on the map
+const MAP_OFFSET_X = Math.floor((SCREEN_WIDTH - MAP_WIDTH) / 2);
+const MAP_OFFSET_Y = Math.floor((SCREEN_HEIGHT - MAP_HEIGHT) / 2);
+
+// ============================================================
+// Terrain Types
+// ============================================================
+const TERRAIN = {
+  EMPTY: 0,
+  BRICK: 1,
+  STEEL: 2,
+  RIVER: 3,
+  FOREST: 4,
+  BASE: 5,
+  BASE_WALL: 6, // brick wall around base
+};
+
+// ============================================================
+// Direction
+// ============================================================
+const DIRECTION = {
+  UP: 0,
+  DOWN: 1,
+  LEFT: 2,
+  RIGHT: 3,
+};
+
+// Direction vectors (dx, dy)
+const DIR_VECTORS = {
+  [DIRECTION.UP]: { dx: 0, dy: -1 },
+  [DIRECTION.DOWN]: { dx: 0, dy: 1 },
+  [DIRECTION.LEFT]: { dx: -1, dy: 0 },
+  [DIRECTION.RIGHT]: { dx: 1, dy: 0 },
+};
+
+// ============================================================
+// Tank Types
+// ============================================================
+const TANK_TYPE = {
+  PLAYER: 'player',
+  ENEMY_NORMAL: 'enemy_normal',
+  ENEMY_FAST: 'enemy_fast',
+  ENEMY_ARMOR: 'enemy_armor',
+  ENEMY_BOSS: 'enemy_boss',
+};
+
+// Tank configuration table
+const TANK_CONFIG = {
+  [TANK_TYPE.PLAYER]: {
+    speed: 2,
+    hp: 1,
+    color: '#FFD700', // gold
+    size: TILE_SIZE * 0.85,
+  },
+  [TANK_TYPE.ENEMY_NORMAL]: {
+    speed: 1.5,
+    hp: 1,
+    color: '#AAAAAA', // gray
+    size: TILE_SIZE * 0.85,
+    score: 100,
+  },
+  [TANK_TYPE.ENEMY_FAST]: {
+    speed: 3,
+    hp: 1,
+    color: '#FF6347', // tomato
+    size: TILE_SIZE * 0.85,
+    score: 200,
+  },
+  [TANK_TYPE.ENEMY_ARMOR]: {
+    speed: 1,
+    hp: 3,
+    color: '#228B22', // forest green
+    size: TILE_SIZE * 0.85,
+    score: 300,
+  },
+  [TANK_TYPE.ENEMY_BOSS]: {
+    speed: 1.2,
+    hp: 6,
+    color: '#8B0000', // dark red
+    size: TILE_SIZE * 1.2,
+    score: 500,
+  },
+};
+
+// ============================================================
+// Bullet
+// ============================================================
+const BULLET_SPEED = 5;
+const BULLET_SIZE = 6;
+
+// ============================================================
+// Fire Level
+// ============================================================
+const FIRE_LEVEL = {
+  LV1: 1, // single shot, 1 bullet on screen
+  LV2: 2, // rapid fire, 2 bullets on screen
+  LV3: 3, // rapid fire + steel break, 2 bullets on screen
+};
+
+const MAX_BULLETS_BY_LEVEL = {
+  [FIRE_LEVEL.LV1]: 1,
+  [FIRE_LEVEL.LV2]: 2,
+  [FIRE_LEVEL.LV3]: 2,
+};
+
+// ============================================================
+// Power-Up Types
+// ============================================================
+const POWERUP_TYPE = {
+  STAR: 'star',
+  CLOCK: 'clock',
+  BOMB: 'bomb',
+  HELMET: 'helmet',
+  SHOVEL: 'shovel',
+  TANK: 'tank',
+};
+
+const POWERUP_DURATION = 15000; // ms, how long a power-up stays on map
+
+// ============================================================
+// Game Settings
+// ============================================================
+const DEFAULT_LIVES = 3;
+const ENEMIES_PER_LEVEL = 20;
+const MAX_ENEMIES_ON_SCREEN = 4;
+const ENEMY_SPAWN_INTERVAL = 3000; // ms
+const FREEZE_DURATION = 10000; // ms
+const SHIELD_DURATION = 15000; // ms
+const SHOVEL_DURATION = 20000; // ms
+const INVINCIBLE_BLINK_INTERVAL = 100; // ms
+
+// ============================================================
+// Scene Names
+// ============================================================
+const SCENE = {
+  LOADING: 'loading',
+  MENU: 'menu',
+  GAME: 'game',
+  RESULT: 'result',
+  RANKING: 'ranking',
+  SETTINGS: 'settings',
+  SHOP: 'shop',
+  BUFF_SELECT: 'buff_select',
+  PVP_ROOM: 'pvp_room',
+  PVP_GAME: 'pvp_game',
+  PVP_RESULT: 'pvp_result',
+  TEAM_ROOM: 'team_room',
+  TEAM_GAME: 'team_game',
+  TEAM_RESULT: 'team_result',
+};
+
+// ============================================================
+// Game Modes
+// ============================================================
+const GAME_MODE = {
+  CLASSIC: 'classic',
+  ENDLESS: 'endless',
+  PVP: 'pvp',
+  TEAM_3V3: 'team_3v3',
+};
+
+// ============================================================
+// PVP Settings
+// ============================================================
+const PVP_ROUND_TIME = 180; // seconds per round (legacy, unused in base-destruction mode)
+const PVP_RESPAWN_DELAY = 3000; // ms before respawn
+const PVP_MAX_LIVES = 5; // legacy, unused in base-destruction mode
+const PVP_WIN_KILLS = 5; // legacy, unused in base-destruction mode
+const PVP_BASE_HP = 5; // base hit points for 1v1 PVP mode
+
+// ============================================================
+// Server Configuration
+// ============================================================
+// const SERVER_URL = 'ws://192.168.1.103:3000'; // local testing server URL, replace with actual server URL in production
+const SERVER_URL = 'wss://www.igeek.site/games/wx/tankwar';
+
+
+// ============================================================
+// 3v3 Team Settings
+// ============================================================
+const TEAM_SIZE = 3;
+const TEAM_RESPAWN_DELAY = 3000; // ms before respawn
+const TEAM_BASE_HP = 10; // base hit points for 3v3 mode
+const TEAM_RECONNECT_TIMEOUT = 60000; // ms, 60s to reconnect
+const TEAM_MATCH_TIMEOUT = 60000; // ms, 60s matchmaking timeout
+
+// ============================================================
+// Battle Configuration (X vs X configurable)
+// ============================================================
+const BATTLE_CONFIG = {
+  '1v1': {
+    teamSize: 1,
+    baseHp: PVP_BASE_HP,
+    respawnDelay: PVP_RESPAWN_DELAY,
+    fillWithBots: false,
+    mapPool: 'pvp',
+  },
+  '3v3': {
+    teamSize: 3,
+    baseHp: TEAM_BASE_HP,
+    respawnDelay: TEAM_RESPAWN_DELAY,
+    fillWithBots: true,
+    mapPool: 'team',
+  },
+};
+
+// ============================================================
+// Network Message Types
+// ============================================================
+const NET_MSG = {
+  // Room
+  CREATE_ROOM: 'create_room',
+  JOIN_ROOM: 'join_room',
+  ROOM_CREATED: 'room_created',
+  ROOM_JOINED: 'room_joined',
+  ROOM_ERROR: 'room_error',
+  OPPONENT_JOINED: 'opponent_joined',
+  OPPONENT_LEFT: 'opponent_left',
+  GAME_START: 'game_start',
+  // Gameplay
+  PLAYER_INPUT: 'player_input',
+  PLAYER_STATE: 'player_state',
+  BULLET_FIRE: 'bullet_fire',
+  BULLET_HIT: 'bullet_hit',
+  PLAYER_HIT: 'player_hit',
+  PLAYER_KILLED: 'player_killed',
+  GAME_OVER: 'game_over',
+  // Sync
+  PING: 'ping',
+  PONG: 'pong',
+  SYNC_STATE: 'sync_state',
+  // Team (3v3)
+  CREATE_TEAM: 'create_team',
+  JOIN_TEAM: 'join_team',
+  LEAVE_TEAM: 'leave_team',
+  TEAM_READY: 'team_ready',
+  TEAM_KICK: 'team_kick',
+  TEAM_DISBAND: 'team_disband',
+  TEAM_STATE: 'team_state',
+  MATCH_START: 'match_start',
+  MATCH_CANCEL: 'match_cancel',
+  MATCH_FOUND: 'match_found',
+  MATCH_TIMEOUT: 'match_timeout',
+  BASE_HIT: 'base_hit',
+  BASE_DESTROYED: 'base_destroyed',
+  PLAYER_RESPAWN: 'player_respawn',
+  TEAM_GAME_START: 'team_game_start',
+  TEAM_GAME_OVER: 'team_game_over',
+  RECONNECT: 'reconnect',
+  RECONNECT_OK: 'reconnect_ok',
+  PLAYER_DISCONNECT: 'player_disconnect',
+  BOT_TAKEOVER: 'bot_takeover',
+  SOLO_MATCH: 'solo_match',
+  REMATCH: 'rematch',
+  REMATCH_READY: 'rematch_ready',
+};
+
+// ============================================================
+// Colors
+// ============================================================
+const COLORS = {
+  BG: '#000000',
+  BRICK: '#B5651D',
+  STEEL: '#808080',
+  RIVER: '#4169E1',
+  FOREST: '#006400',
+  BASE: '#FFD700',
+  BASE_WALL: '#B5651D',
+  HUD_TEXT: '#FFFFFF',
+  MENU_BG: '#1a1a2e',
+  MENU_TITLE: '#FFD700',
+  MENU_BTN: '#16213e',
+  MENU_BTN_TEXT: '#FFFFFF',
+  MENU_BTN_BORDER: '#0f3460',
+};
+
+// ============================================================
+// Export
+// ============================================================
+module.exports = {
+  SCREEN_WIDTH,
+  SCREEN_HEIGHT,
+  DEVICE_PIXEL_RATIO,
+  GRID_COLS,
+  GRID_ROWS,
+  TILE_SIZE,
+  MAP_WIDTH,
+  MAP_HEIGHT,
+  MAP_OFFSET_X,
+  MAP_OFFSET_Y,
+  TERRAIN,
+  DIRECTION,
+  DIR_VECTORS,
+  TANK_TYPE,
+  TANK_CONFIG,
+  BULLET_SPEED,
+  BULLET_SIZE,
+  FIRE_LEVEL,
+  MAX_BULLETS_BY_LEVEL,
+  POWERUP_TYPE,
+  POWERUP_DURATION,
+  DEFAULT_LIVES,
+  ENEMIES_PER_LEVEL,
+  MAX_ENEMIES_ON_SCREEN,
+  ENEMY_SPAWN_INTERVAL,
+  FREEZE_DURATION,
+  SHIELD_DURATION,
+  SHOVEL_DURATION,
+  INVINCIBLE_BLINK_INTERVAL,
+  SCENE,
+  GAME_MODE,
+  PVP_ROUND_TIME,
+  PVP_RESPAWN_DELAY,
+  PVP_MAX_LIVES,
+  PVP_WIN_KILLS,
+  PVP_BASE_HP,
+  TEAM_SIZE,
+  TEAM_RESPAWN_DELAY,
+  TEAM_BASE_HP,
+  TEAM_RECONNECT_TIMEOUT,
+  TEAM_MATCH_TIMEOUT,
+  BATTLE_CONFIG,
+  NET_MSG,
+  COLORS,
+  SERVER_URL,
+};