├── README.md ├── test.html ├── pubsub.js ├── weiqiboard.js └── jquery.min.js /README.md: -------------------------------------------------------------------------------- 1 | # 简易html canvas 的围棋棋盘 2 | 3 | ​ **jqury 和 pubsub.js必须** 4 | 5 | ​ 2015年下半年找个开源围棋棋盘，结果最好的一个也没能解决打劫的问题，不知天高地厚的决定自己写个，即成。 6 | 7 | ​ 写这个的时候完全不懂js（现在也不懂），当时认为js是简化版的C，后来边写边学，才知道js居然是函数式编程，用了函数式的部分特性。 8 | 9 | ​ 部分受到GNUGO项目影响，如使用棋盘使用一维数组表示等，虽然没能理解原因…… 10 | 11 | ​ 使用方便：在页面中只需要添加： 12 | 13 | `html:
` 14 | 15 | `js: var xxx = new WeiQiBoard(id, status)` 16 | 17 | ​ 即可使用 18 | 19 | 20 | 21 | 作者：songsenand 22 | 23 | email：songsenand@gmail.com 24 | 25 | 2015年 - 2017年 -------------------------------------------------------------------------------- /test.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | board 6 | 7 | 8 | 9 | 10 | 11 |
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22 | 23 | 24 | 25 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /pubsub.js: -------------------------------------------------------------------------------- 1 | /* 2 | Copyright (c) 2010,2011,2012,2013,2014 Morgan Roderick http://roderick.dk 3 | License: MIT - http://mrgnrdrck.mit-license.org 4 | 5 | https://github.com/mroderick/PubSubJS 6 | */ 7 | (function (root, factory){ 8 | 'use strict'; 9 | 10 | if (typeof define === 'function' && define.amd){ 11 | // AMD. Register as an anonymous module. 12 | define(['exports'], factory); 13 | 14 | } else if (typeof exports === 'object'){ 15 | // CommonJS 16 | factory(exports); 17 | 18 | } 19 | 20 | // Browser globals 21 | var PubSub = {}; 22 | root.PubSub = PubSub; 23 | factory(PubSub); 24 | 25 | }(( typeof window === 'object' && window ) || this, function (PubSub){ 26 | 'use strict'; 27 | 28 | var messages = {}, 29 | lastUid = -1; 30 | 31 | function hasKeys(obj){ 32 | var key; 33 | 34 | for (key in obj){ 35 | if ( obj.hasOwnProperty(key) ){ 36 | return true; 37 | } 38 | } 39 | return false; 40 | } 41 | 42 | /** 43 | * Returns a function that throws the passed exception, for use as argument for setTimeout 44 | * @param { Object } ex An Error object 45 | */ 46 | function throwException( ex ){ 47 | return function reThrowException(){ 48 | throw ex; 49 | }; 50 | } 51 | 52 | function callSubscriberWithDelayedExceptions( subscriber, message, data ){ 53 | try { 54 | subscriber( message, data ); 55 | } catch( ex ){ 56 | setTimeout( throwException( ex ), 0); 57 | } 58 | } 59 | 60 | function callSubscriberWithImmediateExceptions( subscriber, message, data ){ 61 | subscriber( message, data ); 62 | } 63 | 64 | function deliverMessage( originalMessage, matchedMessage, data, immediateExceptions ){ 65 | var subscribers = messages[matchedMessage], 66 | callSubscriber = immediateExceptions ? callSubscriberWithImmediateExceptions : callSubscriberWithDelayedExceptions, 67 | s; 68 | 69 | if ( !messages.hasOwnProperty( matchedMessage ) ) { 70 | return; 71 | } 72 | 73 | for (s in subscribers){ 74 | if ( subscribers.hasOwnProperty(s)){ 75 | callSubscriber( subscribers[s], originalMessage, data ); 76 | } 77 | } 78 | } 79 | 80 | function createDeliveryFunction( message, data, immediateExceptions ){ 81 | return function deliverNamespaced(){ 82 | var topic = String( message ), 83 | position = topic.lastIndexOf( '.' ); 84 | 85 | // deliver the message as it is now 86 | deliverMessage(message, message, data, immediateExceptions); 87 | 88 | // trim the hierarchy and deliver message to each level 89 | while( position !== -1 ){ 90 | topic = topic.substr( 0, position ); 91 | position = topic.lastIndexOf('.'); 92 | deliverMessage( message, topic, data, immediateExceptions ); 93 | } 94 | }; 95 | } 96 | 97 | function messageHasSubscribers( message ){ 98 | var topic = String( message ), 99 | found = Boolean(messages.hasOwnProperty( topic ) && hasKeys(messages[topic])), 100 | position = topic.lastIndexOf( '.' ); 101 | 102 | while ( !found && position !== -1 ){ 103 | topic = topic.substr( 0, position ); 104 | position = topic.lastIndexOf( '.' ); 105 | found = Boolean(messages.hasOwnProperty( topic ) && hasKeys(messages[topic])); 106 | } 107 | 108 | return found; 109 | } 110 | 111 | function publish( message, data, sync, immediateExceptions ){ 112 | var deliver = createDeliveryFunction( message, data, immediateExceptions ), 113 | hasSubscribers = messageHasSubscribers( message ); 114 | 115 | if ( !hasSubscribers ){ 116 | return false; 117 | } 118 | 119 | if ( sync === true ){ 120 | deliver(); 121 | } else { 122 | setTimeout( deliver, 0 ); 123 | } 124 | return true; 125 | } 126 | 127 | /** 128 | * PubSub.publish( message[, data] ) -> Boolean 129 | * - message (String): The message to publish 130 | * - data: The data to pass to subscribers 131 | * Publishes the the message, passing the data to it's subscribers 132 | **/ 133 | PubSub.publish = function( message, data ){ 134 | return publish( message, data, false, PubSub.immediateExceptions ); 135 | }; 136 | 137 | /** 138 | * PubSub.publishSync( message[, data] ) -> Boolean 139 | * - message (String): The message to publish 140 | * - data: The data to pass to subscribers 141 | * Publishes the the message synchronously, passing the data to it's subscribers 142 | **/ 143 | PubSub.publishSync = function( message, data ){ 144 | return publish( message, data, true, PubSub.immediateExceptions ); 145 | }; 146 | 147 | /** 148 | * PubSub.subscribe( message, func ) -> String 149 | * - message (String): The message to subscribe to 150 | * - func (Function): The function to call when a new message is published 151 | * Subscribes the passed function to the passed message. Every returned token is unique and should be stored if 152 | * you need to unsubscribe 153 | **/ 154 | PubSub.subscribe = function( message, func ){ 155 | if ( typeof func !== 'function'){ 156 | return false; 157 | } 158 | 159 | // message is not registered yet 160 | if ( !messages.hasOwnProperty( message ) ){ 161 | messages[message] = {}; 162 | } 163 | 164 | // forcing token as String, to allow for future expansions without breaking usage 165 | // and allow for easy use as key names for the 'messages' object 166 | var token = 'uid_' + String(++lastUid); 167 | messages[message][token] = func; 168 | 169 | // return token for unsubscribing 170 | return token; 171 | }; 172 | 173 | /* Public: Clears all subscriptions 174 | */ 175 | PubSub.clearAllSubscriptions = function clearAllSubscriptions(){ 176 | messages = {}; 177 | }; 178 | 179 | /*Public: Clear subscriptions by the topic 180 | */ 181 | PubSub.clearSubscriptions = function clearSubscriptions(topic){ 182 | var m; 183 | for (m in messages){ 184 | if (messages.hasOwnProperty(m) && m.indexOf(topic) === 0){ 185 | delete messages[m]; 186 | } 187 | } 188 | }; 189 | 190 | /* Public: removes subscriptions. 191 | * When passed a token, removes a specific subscription. 192 | * When passed a function, removes all subscriptions for that function 193 | * When passed a topic, removes all subscriptions for that topic (hierarchy) 194 | * 195 | * value - A token, function or topic to unsubscribe. 196 | * 197 | * Examples 198 | * 199 | * // Example 1 - unsubscribing with a token 200 | * var token = PubSub.subscribe('mytopic', myFunc); 201 | * PubSub.unsubscribe(token); 202 | * 203 | * // Example 2 - unsubscribing with a function 204 | * PubSub.unsubscribe(myFunc); 205 | * 206 | * // Example 3 - unsubscribing a topic 207 | * PubSub.unsubscribe('mytopic'); 208 | */ 209 | PubSub.unsubscribe = function(value){ 210 | var isTopic = typeof value === 'string' && messages.hasOwnProperty(value), 211 | isToken = !isTopic && typeof value === 'string', 212 | isFunction = typeof value === 'function', 213 | result = false, 214 | m, message, t; 215 | 216 | if (isTopic){ 217 | PubSub.clearSubscriptions(value); 218 | return; 219 | } 220 | 221 | for ( m in messages ){ 222 | if ( messages.hasOwnProperty( m ) ){ 223 | message = messages[m]; 224 | 225 | if ( isToken && message[value] ){ 226 | delete message[value]; 227 | result = value; 228 | // tokens are unique, so we can just stop here 229 | break; 230 | } 231 | 232 | if (isFunction) { 233 | for ( t in message ){ 234 | if (message.hasOwnProperty(t) && message[t] === value){ 235 | delete message[t]; 236 | result = true; 237 | } 238 | } 239 | } 240 | } 241 | } 242 | 243 | return result; 244 | }; 245 | })); 246 | -------------------------------------------------------------------------------- /weiqiboard.js: -------------------------------------------------------------------------------- 1 | "use strict"; 2 | 3 | var WeiQiBoard = function(id, status) { 4 | $("#" + id).append(""); 5 | var self = this; 6 | var $canvas = $("canvas#" + id); 7 | var ctx = $canvas[0].getContext("2d"); 8 | this.id = id; 9 | var board_status = 0; // 取值0-2 0：棋局尚未开始， 1：等待本方落子， 2：等待对方落子； 10 | var letter = [ 11 | "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", 12 | "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" 13 | ] 14 | var letterturn = 0; 15 | 16 | var signal = { 17 | recvstep: "recvstep", 18 | getstep: "getstep", 19 | getsign: "getsign", 20 | viewstep: "viewstep", 21 | backgame: "backgame", 22 | } 23 | 24 | var line_num = 19; 25 | var w_line = 2; 26 | var board_size = 0; 27 | var unit_len = 10; 28 | var step_arr = new Array; // step_arr[i]包含2块内容 [color(0-4), POS(int pos)]. 29 | var board_state = new Array; // board_state[i]显示棋盘上每个位置. 30 | var dragon_map = new Array; // dragon_map[i] 棋盘上每个位置所属的dragon的id 31 | 32 | var show_mode = 0; // 取值0-2 0显示+ 1显示手数 2显示拉丁字母Δ 和英文大写字母ABC等标识符。 33 | var curr_color = 1; // color(0-4). 其中1是黑色， 2是白色， 3是黑色试下， 4是白色试下. 34 | var live_check = new Array; 35 | 36 | var board_sign = new Array; 37 | 38 | var stone_size = 0; 39 | var dragon = new Array; 40 | var prev2_board = new Array(361); 41 | var prev_board = new Array(361); 42 | var prev_dragon_map = new Array; 43 | var store_board_state = new Array(); 44 | var store_dragon_map = new Array(); 45 | var dragon_id_list = new Array(); 46 | var curr_step = 0; 47 | 48 | var curr_pos = -1; 49 | 50 | var view_state = 0; // 取值0-3，0表示正在下棋，1表示在回看,2表示试下,3表示试下中回看. 51 | var branch_step = -1; 52 | var branch_board_state = new Array(); 53 | var branch_dragon_map = new Array(); 54 | var branch_step_arr = new Array(); 55 | 56 | var count_pass = 0; 57 | var playmode = 0; //取值 0 - 4 0是说网络对局， 1是说本地对局 2是说看棋 3是说解说棋局，4是说导入棋局 58 | 59 | var getStep_callback = function(msg, value) { 60 | console.log(msg, value); 61 | } 62 | 63 | if (status) { 64 | if (status.id) { 65 | this.id = id; 66 | } 67 | if (status.line_num) { 68 | line_num = status.line_num; 69 | } 70 | if (status.firstcolor) { 71 | curr_color = status.firstcolor; 72 | } 73 | if (status.line_width) { 74 | w_line = status.line_width; 75 | } 76 | if (status.showmode) { 77 | show_mode = status.showmode; 78 | } 79 | if (status.playmode) { 80 | playmode = status.playmode; 81 | } 82 | } 83 | 84 | 85 | var nearstone_cross = [1, -1, line_num, -line_num]; // 辅助，方便获取相邻棋子。 86 | var cross_num = line_num * line_num - 1; 87 | var canvas_size = Math.min($("#" + id).width(), $("#" + id).height()); 88 | board_size = canvas_size * 0.95; 89 | var stoneboard_start = canvas_size * 0.025; 90 | var unit_len = board_size / (line_num - 1); 91 | var stone_size = 0.4 * unit_len; 92 | $canvas[0].height = 2 * stoneboard_start + unit_len * (line_num - 1); 93 | $canvas[0].width = 2 * stoneboard_start + unit_len * (line_num - 1); 94 | 95 | for (var i = 0; i <= cross_num; i++) { 96 | board_state[i] = 0; 97 | dragon_map[i] = -1; 98 | board_sign[i] = 0; 99 | live_check[i] = 0; 100 | } 101 | 102 | store_board_state[0] = board_state.slice(); 103 | store_dragon_map[0] = dragon_map.slice(); 104 | step_arr[0] = "game info"; 105 | var prev2_board = prev_board.slice(); 106 | var prev_board = board_state.slice(); 107 | 108 | var POS = function(x, y) { 109 | if (x <= 0 && x > line_num) { 110 | return -1; 111 | } 112 | if (y <= 0 && y > line_num) { 113 | return -1; 114 | } 115 | return x + y * (line_num); 116 | } 117 | 118 | var get_nearstone = function(pos) { 119 | var neighbor_arr = new Array(); 120 | for (var i = 0; i < 4; i++) { 121 | var neighbor = nearstone_cross[i] + pos; 122 | if (is_onboard(neighbor)) { 123 | if (nearstone_cross[i] != 1 || neighbor % line_num != 0) { 124 | if (nearstone_cross[i] != -1 || (neighbor + 1) % line_num != 0) 125 | neighbor_arr.push(neighbor); 126 | } 127 | } 128 | } 129 | return neighbor_arr; 130 | } 131 | 132 | var is_onboard = function(pos) { 133 | if (pos >= 0 && pos <= cross_num) { 134 | return true; 135 | } else { 136 | return false; 137 | } 138 | } 139 | 140 | var get_Pstate = function(pos, board) { 141 | if (arguments[1]) { 142 | var view_board = board; 143 | } else { 144 | var view_board = board_state; 145 | } 146 | 147 | if (view_board[pos] == 0) { 148 | return 0; 149 | } else if (view_board[pos] == curr_color || view_board[pos] == curr_color + 2 || view_board[pos] == curr_color - 2) { 150 | return 1; 151 | } else { 152 | return 2; 153 | } 154 | } 155 | 156 | var sign_stone = function(dragon_id) { 157 | var dragon_stone = dragon[dragon_id][1] 158 | var dragon_size = dragon_stone.length 159 | for (var i = 0; i < dragon_size; i++) { 160 | dragon_map[dragon_stone[i]] = dragon_id; 161 | } 162 | } 163 | 164 | var get_crossinfo = function(view_board) { 165 | switch (view_state) { 166 | case (0): 167 | var pos = step_arr[curr_step][1]; 168 | return [ 169 | get_coor(pos), 170 | get_otherColor(view_board[pos]) 171 | ]; 172 | case (1): 173 | var pos = step_arr[curr_step][1]; 174 | return [ 175 | get_coor(pos), 176 | get_otherColor(view_board[pos]) 177 | ]; 178 | case (2): 179 | var pos = branch_step_arr[curr_step - branch_step][1]; 180 | return [ 181 | get_coor(pos), 182 | get_otherColor(view_board[pos]) 183 | ]; 184 | case (3): 185 | var pos = branch_step_arr[curr_step - branch_step][1]; 186 | return [ 187 | get_coor(pos), 188 | get_otherColor(view_board[pos]) 189 | ]; 190 | } 191 | } 192 | 193 | var get_otherColor = function(color) { 194 | switch (color) { 195 | case 1: 196 | return "rgb(255, 255, 255)"; 197 | case 2: 198 | return "rgb(0, 0, 0)"; 199 | case 3: 200 | return "rgb(255, 255, 255)"; 201 | case 4: 202 | return "rgb(0, 0, 0)"; 203 | default: 204 | return "rgb(0, 0, 0)"; 205 | } 206 | } 207 | 208 | var kill_stone = function(dragon_id) { 209 | var count_Dstone = dragon[dragon_id][1].length 210 | for (var i = 0; i < count_Dstone; i++) { 211 | var stone = dragon[dragon_id][1][i]; 212 | board_state[stone] = 0; 213 | dragon_map[stone] = -1; 214 | } 215 | } 216 | 217 | var check_ko = function() { 218 | if (curr_step >= 5) { 219 | if (board_state.join("") == prev2_board.join("")) { 220 | return false; 221 | } 222 | } 223 | return true; 224 | } 225 | 226 | var printStep = function(pos, board_step, view_board) { 227 | if (board_step[pos] !== 0) { 228 | var coor = get_coor(pos); 229 | ctx.fillStyle = get_otherColor(view_board[pos]); 230 | ctx.fillText(board_step[pos], coor[0], coor[1], 1.4 * stone_size) 231 | } 232 | } 233 | 234 | var drawBoard = function(board) { 235 | if (arguments[0]) { 236 | var view_board = board.slice(0); 237 | } else { 238 | var view_board = board_state.slice(0); 239 | } 240 | ctx.globalAlpha = 1; 241 | ctx.shadowBlur = 0; 242 | ctx.shadowOffsetX = 0; 243 | ctx.shadowOffsetY = 0; 244 | ctx.shadowColor = "rgb(0, 0, 0)" 245 | ctx.textAlign = "center"; 246 | ctx.textBaseline = "middle"; 247 | ctx.font = stone_size + "px 黑体" 248 | 249 | ctx.clearRect(0, 0, $canvas[0].width, $canvas[0].height); 250 | ctx.beginPath(); 251 | ctx.fillStyle = "rgb(250,250,250)"; 252 | ctx.fillRect(0, 0, $canvas.width, $canvas.height); 253 | 254 | ctx.lineWidth = w_line; 255 | 256 | for (var i = 0; i < line_num; i++) { 257 | var start_coor_x = stoneboard_start; 258 | var end_coor_x = board_size + stoneboard_start; 259 | var coor_y = stoneboard_start + unit_len * i; 260 | ctx.moveTo(start_coor_x, coor_y); 261 | ctx.lineTo(end_coor_x, coor_y); 262 | } 263 | 264 | for (var i = 0; i < line_num; i++) { 265 | var coor_x = stoneboard_start + unit_len * i; 266 | var start_coor_y = stoneboard_start; 267 | var end_coor_y = board_size + stoneboard_start; 268 | ctx.moveTo(coor_x, start_coor_y); 269 | ctx.lineTo(coor_x, end_coor_y); 270 | } 271 | ctx.strokeStyle = "rgb(170,170,170)"; //150 272 | ctx.stroke(); 273 | 274 | ctx.fillStyle = "rgb(180,180,180)"; //160 275 | 276 | for (var i = 0; i < 3; i++) { 277 | var star_y = stoneboard_start + unit_len * (i * 6 + 3); 278 | for (var j = 0; j < 3; j++) { 279 | ctx.beginPath(); 280 | var star_x = stoneboard_start + unit_len * (j * 6 + 3); 281 | ctx.arc(star_x, star_y, 2 * w_line, 0, Math.PI * 2, false); 282 | ctx.fill(); 283 | ctx.stroke(); 284 | } 285 | } 286 | 287 | 288 | ctx.strokeStyle = "rgb(0,0,0)"; 289 | ctx.lineWidth = 1; 290 | 291 | for (var pos = 0; pos <= cross_num; pos++) { 292 | ctx.beginPath(); 293 | drawStone(pos, view_board); 294 | ctx.stroke(); 295 | } 296 | 297 | ctx.globalAlpha = 1; 298 | ctx.shadowBlur = 0; 299 | ctx.lineWidth = w_line; 300 | signBoard(view_board); 301 | 302 | } 303 | 304 | var drawStone = function(pos, view_board) { 305 | var coor = get_coor(pos); 306 | ctx.globalAlpha = 1; 307 | ctx.shadowBlur = 0; 308 | 309 | ctx.shadowColor = "rgb(0, 0, 0)" 310 | switch (view_board[pos]) { 311 | case 1: 312 | ctx.fillStyle = "rgb(0,0,0)"; 313 | ctx.beginPath(); 314 | ctx.arc(coor[0], coor[1], stone_size, 0, Math.PI * 2); 315 | ctx.fill(); 316 | break; 317 | case 2: 318 | ctx.fillStyle = "rgb(255,255,255)"; 319 | ctx.beginPath(); 320 | ctx.arc(coor[0], coor[1], stone_size, 0, Math.PI * 2); 321 | ctx.fill(); 322 | break; 323 | case 3: 324 | ctx.shadowBlur = 3; 325 | ctx.fillStyle = "rgb(80,80,80)"; 326 | ctx.beginPath(); 327 | ctx.arc(coor[0], coor[1], stone_size * 0.9, 0, Math.PI * 2); 328 | ctx.fill(); 329 | break; 330 | case 4: 331 | ctx.shadowBlur = 5; 332 | ctx.fillStyle = "rgb(245,245,245)"; 333 | ctx.beginPath(); 334 | ctx.arc(coor[0], coor[1], stone_size * 0.9, 0, Math.PI * 2); 335 | ctx.fill(); 336 | break; 337 | } 338 | } 339 | 340 | var get_coor = function(pos) { 341 | if (pos >= 0 && pos <= cross_num) { 342 | var stone_coor = get_stone_coor(pos); 343 | var stone_x = stoneboard_start + unit_len * stone_coor[0]; 344 | var stone_y = stoneboard_start + unit_len * stone_coor[1]; 345 | return [stone_x, stone_y]; 346 | } 347 | } 348 | 349 | var get_stone_coor = function(pos) { 350 | var x = pos % line_num; 351 | var y = Math.floor(pos / line_num); 352 | return [x, y]; 353 | } 354 | 355 | var signBoard = function(view_board) { 356 | switch (show_mode) { 357 | case (0): 358 | drawCross(view_board); 359 | drawSign(view_board); 360 | break; 361 | case (1): 362 | drawStep(view_board); 363 | drawSign(view_board); 364 | break; 365 | case (2): 366 | drawCross(view_board); 367 | break; 368 | } 369 | } 370 | 371 | var drawCross = function(view_board) { 372 | if (curr_step >= 1) { 373 | var pos_info = get_crossinfo(view_board); 374 | if (pos_info[0]) { 375 | ctx.beginPath(); 376 | ctx.moveTo(pos_info[0][0] - 0.45 * stone_size, pos_info[0][1]); 377 | ctx.lineTo(pos_info[0][0] + 0.45 * stone_size, pos_info[0][1]); 378 | ctx.moveTo(pos_info[0][0], pos_info[0][1] - 0.45 * stone_size); 379 | ctx.lineTo(pos_info[0][0], pos_info[0][1] + 0.45 * stone_size); 380 | ctx.strokeStyle = pos_info[1]; 381 | ctx.stroke(); 382 | } 383 | } 384 | } 385 | 386 | var drawStep = function(view_board) { 387 | var board_step = new Array(); 388 | for (var i = 0; i <= cross_num; i++) { 389 | board_step[i] = 0; 390 | } 391 | switch (view_state) { 392 | case 0: 393 | for (var step_num = 1; step_num <= curr_step; step_num++) { 394 | var pos = step_arr[step_num][1] 395 | if (view_board[pos] !== 0) { 396 | board_step[pos] = step_num; 397 | } 398 | } 399 | break; 400 | case 1: 401 | for (var step_num = 1; step_num <= curr_step; step_num++) { 402 | var pos = step_arr[step_num][1] 403 | if (view_board[pos] !== 0) { 404 | board_step[pos] = step_num; 405 | } 406 | } 407 | break; 408 | case 2: 409 | var branch_cnt = curr_step - branch_step; 410 | for (var step_num = 1; step_num <= branch_cnt; step_num++) { 411 | var pos = branch_step_arr[step_num][1]; 412 | if (view_board[pos] !== 0) { 413 | board_step[pos] = step_num; 414 | } 415 | } 416 | break; 417 | case 3: 418 | var branch_cnt = curr_step - branch_step; 419 | for (var step_num = 1; step_num <= branch_cnt; step_num++) { 420 | var pos = branch_step_arr[step_num][1]; 421 | if (view_board[pos] !== 0) { 422 | board_step[pos] = step_num; 423 | } 424 | } 425 | break; 426 | } 427 | for (var pos = 0; pos <= cross_num; pos++) { 428 | printStep(pos, board_step, view_board); 429 | } 430 | } 431 | 432 | var drawSign = function(view_board) { 433 | ctx.font = unit_len + "px 黑体"; 434 | for (var i = 0; i <= cross_num; i++) { 435 | if (board_sign[i] !== 0) { 436 | var coor = get_coor(i); 437 | ctx.fillStyle = get_otherColor(view_board[i]); 438 | ctx.fillText(board_sign[i], coor[0], coor[1]); 439 | } 440 | } 441 | } 442 | 443 | var click_pos = function(e) { 444 | var canvasOffset = $canvas.offset(); 445 | var canvasX = Math.round((e.pageX - canvasOffset.left - stoneboard_start) / unit_len); 446 | var canvasY = Math.round((e.pageY - canvasOffset.top - stoneboard_start) / unit_len); 447 | var pos = POS(canvasX, canvasY); 448 | return pos; 449 | } 450 | 451 | var get_stone = function(pos) { 452 | if (view_state == 1) { 453 | attempt(); 454 | } else if (view_state == 3) { 455 | attempt2(); 456 | } 457 | 458 | if (board_state[pos] == 0 && pos >= 0) { 459 | var dragon_id = dragon.length; 460 | dragon[dragon_id] = new Array(); 461 | dragon[dragon_id][0] = curr_color; 462 | dragon[dragon_id][1] = new Array(); 463 | dragon[dragon_id][1].push(pos) 464 | board_state[pos] = curr_color; 465 | dragon_map[pos] = dragon_id; 466 | 467 | var is_legal = get_dragon(pos, dragon_id); 468 | if (is_legal == true) { 469 | curr_pos = pos; 470 | stepin(pos); 471 | count_pass = count_pass - 1; 472 | if (board_status == 1) { 473 | PubSub.publish(signal.getstep, { pos: pos }); 474 | PubSub.publish(signal.change_player, {}); 475 | } else { 476 | PubSub.publish(signal.recvstep, {}) 477 | PubSub.publish(signal.change_player, {}); 478 | } 479 | } else { 480 | board_state[pos] = 0; 481 | dragon_map[pos] = -1; 482 | if (board_status == 2) { 483 | PubSub.publish(signal.getstep, { err: "recvstep err" }) 484 | } 485 | } 486 | } else if (pos < 0) { 487 | if (count_pass < 2) { 488 | count_pass++; 489 | stepin(pos); 490 | } else { 491 | gameend(); 492 | } 493 | } else if (board_state[pos] != 0) { 494 | if (board_status == 2) { 495 | PubSub.publish(signal.getstep, { err: "recvstep err" }) 496 | } 497 | } 498 | } 499 | 500 | var gameend = function() { 501 | wait_step(); 502 | } 503 | 504 | var attempt = function() { 505 | view_state = 2; 506 | branch_step = curr_step; 507 | if (curr_step == 0) { 508 | curr_color = 3; 509 | } else { 510 | curr_color = step_arr[curr_step][0] + 2; 511 | } 512 | board_state = store_board_state[curr_step].slice(); 513 | dragon_map = store_dragon_map[curr_step].slice(); 514 | branch_board_state[0] = board_state.slice(); 515 | prev_board = board_state.slice(); 516 | if (curr_step > 3) { 517 | prev2_board = store_board_state[curr_step - 1].slice(); 518 | } 519 | prev_dragon_map = store_dragon_map[curr_step].slice(); 520 | branch_step_arr[0] = step_arr[curr_step].slice(); 521 | } 522 | 523 | var attempt2 = function() { 524 | view_state = 2; 525 | curr_color = branch_step_arr[curr_step - branch_step][0]; 526 | board_state = branch_board_state[curr_step - branch_step].slice(); 527 | dragon_map = branch_dragon_map[curr_step - branch_step].slice(); 528 | prev_board = board_state.slice(); 529 | if (curr_step > 3) { 530 | prev2_board = branch_board_state[curr_step - branch_step - 1].slice(); 531 | } 532 | branch_step_arr = branch_step_arr.slice(0, curr_step - branch_step + 1); 533 | } 534 | 535 | var stepin = function(pos) { 536 | curr_step++; 537 | prev2_board = prev_board.slice(); 538 | prev_board = board_state.slice(); 539 | prev_dragon_map = dragon_map.slice(); 540 | change_player(); 541 | if (view_state == 0) { 542 | step_arr.push([curr_color, pos]); 543 | store_board_state.push(board_state.slice()); 544 | store_dragon_map.push(dragon_map.slice()); 545 | } else if (view_state == 2) { 546 | branch_step_arr[curr_step - branch_step] = [curr_color, pos]; 547 | branch_board_state[curr_step - branch_step] = board_state.slice(); 548 | branch_dragon_map[curr_step - branch_step] = dragon_map.slice(); 549 | } 550 | } 551 | 552 | var change_player = function() { 553 | switch (curr_color) { 554 | case 1: 555 | curr_color = 2; 556 | break; 557 | case 2: 558 | curr_color = 1; 559 | break; 560 | case 3: 561 | curr_color = 4; 562 | break; 563 | case 4: 564 | curr_color = 3; 565 | break; 566 | } 567 | } 568 | 569 | var get_live = function(dragon_id) { 570 | var count_live = 0; 571 | var live_arr = new Array(); 572 | var count_Dstone = dragon[dragon_id][1].length; 573 | for (var i = 0; i < count_Dstone; i++) { 574 | var neighbor = get_nearstone(dragon[dragon_id][1][i]); 575 | var count_neib = neighbor.length; 576 | for (var j = 0; j < count_neib; j++) { 577 | if (board_state[neighbor[j]] == 0 && live_arr.indexOf(neighbor[j])) { 578 | live_arr.push(neighbor[j]); 579 | count_live++; 580 | } 581 | } 582 | } 583 | return count_live; 584 | } 585 | 586 | var get_dragon = function(pos, dragon_id) { 587 | var dragon_list = []; 588 | var neighbor = get_nearstone(pos); 589 | var count_neib = neighbor.length; // 将数组长度储存至变量中， 可明显提高遍历数组的效率. 590 | for (var i = 0; i < count_neib; i++) { 591 | var pos_state = get_Pstate([neighbor[i]]) 592 | if (pos_state == 1) { 593 | if (dragon_list.indexOf(neighbor[i]) < 0) { 594 | dragon_list.push(neighbor[i]); 595 | dragon[dragon_id][1] = dragon[dragon_id][1].concat(dragon[dragon_map[neighbor[i]]][1]); 596 | } 597 | } else if (pos_state == 2) { 598 | var neighbor_dragon = dragon_map[neighbor[i]]; 599 | if (get_live(neighbor_dragon) == 0) { 600 | kill_stone(neighbor_dragon); 601 | if (!check_ko()) { 602 | dragon_map = prev_dragon_map.slice(); 603 | board_state = prev_board.slice(); 604 | return false; 605 | } 606 | } 607 | } 608 | } 609 | 610 | if (get_live(dragon_id)) { 611 | sign_stone(dragon_id); 612 | return true; 613 | } else { 614 | return false; 615 | } 616 | } 617 | 618 | var is_stinbrc = function(curr_step) { // is step in branch. 619 | if (curr_step > branch_step && curr_step < branch_step + branch_step_arr.length - 1) { 620 | return true; 621 | } else { 622 | return false; 623 | } 624 | } 625 | 626 | drawBoard(); 627 | 628 | (function() { 629 | $(window).resize(function() { 630 | canvas_size = Math.min($("#" + id).width(), $("#" + id).height()); 631 | board_size = canvas_size * 0.95; 632 | stoneboard_start = canvas_size * 0.025; 633 | unit_len = board_size / (line_num - 1); 634 | stone_size = 0.4 * unit_len; 635 | $canvas[0].height = 2 * stoneboard_start + unit_len * (line_num - 1); 636 | $canvas[0].width = 2 * stoneboard_start + unit_len * (line_num - 1); 637 | drawBoard(); 638 | }) 639 | }()); 640 | 641 | this.clear_board = function() { 642 | step_arr = new Array; // step_arr[i]包含2块内容 [color(0-4), POS(int pos)]. 643 | board_state = new Array; // board_state[i]显示棋盘上每个位置. 644 | dragon_map = new Array; // dragon_map[i] 棋盘上每个位置所属的dragon的id 645 | 646 | show_mode = 0; // 取值0-2 0显示+ 1显示手数 2显示拉丁字母Δ 和英文大写字母ABC等标识符。 647 | curr_color = 1; // color(0-6). 其中1是黑色， 2是白色， 3是黑色试下， 4是白色试下， 5是黑色势力范围， 6是白色势力范围 648 | board_sign = new Array; 649 | live_check = new Array; 650 | 651 | dragon = new Array; 652 | prev2_board = new Array(361); 653 | prev_board = new Array(361); 654 | prev_dragon_map = new Array; 655 | store_board_state = new Array(); 656 | store_dragon_map = new Array(); 657 | dragon_id_list = new Array(); 658 | curr_step = 0; 659 | 660 | curr_pos = -1; 661 | 662 | view_state = 0; // 取值0-3，0表示正在本地下棋，1表示在回看,2表示试下,3表示试下中回看. 663 | branch_step = -1; 664 | branch_board_state = new Array(); 665 | branch_dragon_map = new Array(); 666 | branch_step_arr = new Array(); 667 | 668 | count_pass = 0; 669 | 670 | if (status) { 671 | if (status.firstcolor) { 672 | curr_color = status.firstcolor; 673 | } 674 | if (status.showmode) { 675 | show_mode = status.showmode; 676 | } 677 | } 678 | 679 | for (var i = 0; i <= cross_num; i++) { 680 | board_state[i] = 0; 681 | dragon_map[i] = -1; 682 | board_sign[i] = 0; 683 | live_check[i] = 0; 684 | } 685 | 686 | store_board_state[0] = board_state.slice(); 687 | store_dragon_map[0] = dragon_map.slice(); 688 | step_arr[0] = "game info"; 689 | prev2_board = prev_board.slice(); 690 | prev_board = board_state.slice(); 691 | drawBoard() 692 | } 693 | 694 | this.trymode = function() { 695 | view_state = 1; 696 | } 697 | 698 | this.backgame = function() { 699 | if (view_state != 0) { 700 | view_state = 0; 701 | curr_step = store_board_state.length - 1; 702 | board_state = store_board_state[curr_step].slice(); 703 | dragon_map = store_dragon_map[curr_step].slice(); 704 | prev_board = board_state.slice(); 705 | if (curr_step != 0) { 706 | curr_color = step_arr[curr_step][0]; 707 | } else { 708 | curr_color = 1; 709 | } 710 | change_player; 711 | curr_pos = step_arr[curr_step][1]; 712 | if (curr_step > 3) { 713 | prev2_board = store_board_state[curr_step - 1].slice(); 714 | } 715 | prev_dragon_map = store_dragon_map[curr_step].slice(); 716 | branch_board_state = new Array(); 717 | branch_dragon_map = new Array(); 718 | branch_step = -1; 719 | } 720 | drawBoard(); 721 | PubSub.publish(signal.backgame, {}); 722 | } 723 | 724 | this.prev_step = function() { 725 | if (view_state == 0) { 726 | view_state = 1; 727 | } 728 | if (curr_step >= 1) { 729 | curr_step--; 730 | if (view_state == 1) { 731 | drawBoard(store_board_state[curr_step]); 732 | } else if (view_state == 2) { 733 | view_state = 3; 734 | drawBoard(branch_board_state[curr_step - branch_step]); 735 | } else if (view_state == 3 && curr_step > branch_step) { 736 | drawBoard(branch_board_state[curr_step - branch_step]); 737 | } else { 738 | view_state = 1; 739 | drawBoard(store_board_state[curr_step]); 740 | } 741 | } 742 | PubSub.publish(signal.viewstep, { step: -1 }); 743 | } 744 | 745 | this.next_step = function() { 746 | if (view_state == 1 && curr_step < step_arr.length - 1) { 747 | curr_step++; 748 | drawBoard(store_board_state[curr_step]); 749 | } else if (view_state == 3 && is_stinbrc(curr_step)) { 750 | curr_step++; 751 | drawBoard(branch_board_state[curr_step - branch_step]); 752 | } 753 | PubSub.publish(signal.viewstep, { step: 1 }); 754 | } 755 | 756 | this.skip2step = function(step_num) { 757 | if (view_state == 0 || view_state == 1) { 758 | view_state = 1; 759 | if (step_num >= 0 && step_num <= step_arr.length - 1) { 760 | curr_step = step_num; 761 | board_state = store_board_state[step_num].slice() 762 | drawBoard(board_state); 763 | } 764 | } else if (view_state == 2 || view_state == 3) { 765 | if (step_num >= 0 && step_num < branch_step) { 766 | curr_step = step_num + branch_step; 767 | board_state = branch_board_state[step_num].slice() 768 | if (step_num == 0) { 769 | view_state = 1; 770 | } 771 | drawBoard(board_state); 772 | } 773 | } 774 | } 775 | 776 | var board_click = function() { 777 | $canvas.unbind(); 778 | $canvas.bind("click", function(e) { 779 | var pos = click_pos(e); 780 | get_stone(pos); 781 | drawBoard(); 782 | }); 783 | } 784 | 785 | this.addcheckres = function() { 786 | $canvas.unbind(); 787 | $canvas.bind("click", function(e) { 788 | var pos = click_pos(e) 789 | console.log(pos); 790 | var check_id = dragon_map[pos] 791 | if (check_id !== -1) { 792 | var stonearr = dragon[check_id][1]; 793 | for (var stone in stonearr) { 794 | console.log(stone); 795 | if (live_check[stonearr[stone]] === 0) { 796 | live_check[stonearr[stone]] = 1; 797 | } else { 798 | live_check[stonearr[stone]] = 0 799 | } 800 | } 801 | drawBoard(); 802 | for (var i = 0; i < cross_num; i++) { 803 | if (live_check[i] !== 0) { 804 | console.log(i); 805 | var coor = get_coor(i); 806 | ctx.fillStyle = get_otherColor(board_state[i]); 807 | ctx.fillText("=", coor[0], coor[1]); 808 | } 809 | } 810 | } 811 | }); 812 | } 813 | 814 | 815 | var wait_step = function(msg, value) { 816 | console.log(msg, value, "from wait_step"); 817 | $canvas.unbind(); 818 | } 819 | 820 | this.recvStep = function(msg) { 821 | if (msg.view_mode) { 822 | view_state = msg.view_mode; 823 | return; 824 | } 825 | 826 | if (msg.pos) { 827 | if (board_status != 1) { 828 | get_stone(msg.pos); 829 | } 830 | return; 831 | } 832 | 833 | if (msg.endgame) { 834 | endgamd(); 835 | return; 836 | } 837 | if (msg.resign) { 838 | endgame(); 839 | return; 840 | } 841 | if (msg.steparr) { 842 | var len_step = msg.steparr.length; 843 | for (var i = 0; i < len_step; i++) { 844 | get_stone(msg.steparr[i]); 845 | } 846 | } 847 | drawBoard(); 848 | } 849 | 850 | this.getStoneCallback = function(getStep_callback_func) { 851 | if (arguments[0] && typeof(arguments[0]) == "function") { 852 | getStep_callback = function(msg, value) { 853 | getStep_callback_func(msg, value); 854 | }; 855 | } 856 | } 857 | 858 | this.change_showmode = function(mode) { 859 | show_mode = mode; 860 | } 861 | 862 | this.take_back = function() { 863 | if (curr_step >= 1 && view_state == 0) { 864 | if (board_status === 1) { 865 | PubSub.publish(signal.getstep, { step: -1 }); 866 | } else { 867 | return; 868 | } 869 | curr_step--; 870 | change_player(); 871 | dragon_map = store_dragon_map[curr_step].slice(); 872 | board_state = store_board_state[curr_step].slice(); 873 | store_dragon_map.pop(); 874 | store_board_state.pop(); 875 | step_arr.pop(); 876 | curr_pos = step_arr[curr_step][1]; 877 | 878 | drawBoard(); 879 | } 880 | } 881 | 882 | this.addsign = function() { 883 | $canvas.unbind(); 884 | $canvas.bind({ 885 | click: function(e) { 886 | var pos = click_pos(e); 887 | board_sign[pos] = letter[letterturn]; 888 | if (letterturn < 25) { 889 | letterturn++; 890 | } else { 891 | letterturn = 0 892 | } 893 | PubSub.publish(signal.getsign, { sign: letter[letterturn], pos: pos }) 894 | drawBoard(); 895 | }, 896 | mousemove: function(e) { 897 | var canvasOffset = $canvas.offset(); 898 | var canvasX = e.pageX - canvasOffset.left; 899 | var canvasY = e.pageY - canvasOffset.top; 900 | drawBoard(board_state); 901 | ctx.font = unit_len + "px 黑体"; 902 | ctx.fillStyle = "rgb(0,0,0)"; 903 | ctx.fillText(letter[letterturn], canvasX, canvasY); 904 | } 905 | }); 906 | } 907 | 908 | this.err_handle = function() {} 909 | 910 | var get_err = function(msg, value) { 911 | if (value.err) { 912 | this.err_handle(); 913 | } 914 | } 915 | 916 | this.getStart = function(startplayer) { 917 | PubSub.subscribe(signal.getstep, getStep_callback); 918 | if (playmode === 0) { 919 | PubSub.subscribe(signal.getstep, wait_step); 920 | PubSub.subscribe(signal.recvstep, board_click) 921 | PubSub.subscribe(signal.change_player, function() { 922 | board_status = board_status == 1 ? 2 : 1; 923 | }) 924 | 925 | if (startplayer === 0) { 926 | board_status = 1; 927 | board_click(); 928 | } else { 929 | board_status = 2; 930 | wait_step(); 931 | } 932 | } else if (playmode === 1) { 933 | board_click(); 934 | } else if (playmode === 2) { 935 | wait_step(); 936 | board_status = 0; 937 | } else if (playmode === 3) { 938 | board_click(); 939 | board_status = 0; 940 | } else if (playmode === 4) { 941 | wait_step(); 942 | PubSub.subscribe(signal.recvstep, get_err); 943 | board_status = 2; 944 | } 945 | } 946 | } 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