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blockrain.jquery.js
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blockrain.jquery.js
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/*!
* BlockRain.js 0.2.0
* jQuery plugin that lets you put a playable (and configurable) game of Tetris in your site or just leave it in auto in the background.
* http://aerolab.github.io/blockrain.js/
*
* Copyright (c) 2015 Aerolab <[email protected]>
*
* Released under the MIT license
* http://aerolab.github.io/blockrain.js/LICENSE.txt
*/
// jQuery Widget
(function(e){"function"==typeof define&&define.amd?define(["jquery"],e):e(jQuery)})(function(e){var t=0,i=Array.prototype.slice;e.cleanData=function(t){return function(i){var s,n,a;for(a=0;null!=(n=i[a]);a++)try{s=e._data(n,"events"),s&&s.remove&&e(n).triggerHandler("remove")}catch(o){}t(i)}}(e.cleanData),e.widget=function(t,i,s){var n,a,o,r,h={},l=t.split(".")[0];return t=t.split(".")[1],n=l+"-"+t,s||(s=i,i=e.Widget),e.expr[":"][n.toLowerCase()]=function(t){return!!e.data(t,n)},e[l]=e[l]||{},a=e[l][t],o=e[l][t]=function(e,t){return this._createWidget?(arguments.length&&this._createWidget(e,t),void 0):new o(e,t)},e.extend(o,a,{version:s.version,_proto:e.extend({},s),_childConstructors:[]}),r=new i,r.options=e.widget.extend({},r.options),e.each(s,function(t,s){return e.isFunction(s)?(h[t]=function(){var e=function(){return i.prototype[t].apply(this,arguments)},n=function(e){return i.prototype[t].apply(this,e)};return function(){var t,i=this._super,a=this._superApply;return this._super=e,this._superApply=n,t=s.apply(this,arguments),this._super=i,this._superApply=a,t}}(),void 0):(h[t]=s,void 0)}),o.prototype=e.widget.extend(r,{widgetEventPrefix:a?r.widgetEventPrefix||t:t},h,{constructor:o,namespace:l,widgetName:t,widgetFullName:n}),a?(e.each(a._childConstructors,function(t,i){var s=i.prototype;e.widget(s.namespace+"."+s.widgetName,o,i._proto)}),delete a._childConstructors):i._childConstructors.push(o),e.widget.bridge(t,o),o},e.widget.extend=function(t){for(var s,n,a=i.call(arguments,1),o=0,r=a.length;r>o;o++)for(s in a[o])n=a[o][s],a[o].hasOwnProperty(s)&&void 0!==n&&(t[s]=e.isPlainObject(n)?e.isPlainObject(t[s])?e.widget.extend({},t[s],n):e.widget.extend({},n):n);return t},e.widget.bridge=function(t,s){var n=s.prototype.widgetFullName||t;e.fn[t]=function(a){var o="string"==typeof a,r=i.call(arguments,1),h=this;return a=!o&&r.length?e.widget.extend.apply(null,[a].concat(r)):a,o?this.each(function(){var i,s=e.data(this,n);return"instance"===a?(h=s,!1):s?e.isFunction(s[a])&&"_"!==a.charAt(0)?(i=s[a].apply(s,r),i!==s&&void 0!==i?(h=i&&i.jquery?h.pushStack(i.get()):i,!1):void 0):e.error("no such method '"+a+"' for "+t+" widget instance"):e.error("cannot call methods on "+t+" prior to initialization; "+"attempted to call method '"+a+"'")}):this.each(function(){var t=e.data(this,n);t?(t.option(a||{}),t._init&&t._init()):e.data(this,n,new s(a,this))}),h}},e.Widget=function(){},e.Widget._childConstructors=[],e.Widget.prototype={widgetName:"widget",widgetEventPrefix:"",defaultElement:"<div>",options:{disabled:!1,create:null},_createWidget:function(i,s){s=e(s||this.defaultElement||this)[0],this.element=e(s),this.uuid=t++,this.eventNamespace="."+this.widgetName+this.uuid,this.bindings=e(),this.hoverable=e(),this.focusable=e(),s!==this&&(e.data(s,this.widgetFullName,this),this._on(!0,this.element,{remove:function(e){e.target===s&&this.destroy()}}),this.document=e(s.style?s.ownerDocument:s.document||s),this.window=e(this.document[0].defaultView||this.document[0].parentWindow)),this.options=e.widget.extend({},this.options,this._getCreateOptions(),i),this._create(),this._trigger("create",null,this._getCreateEventData()),this._init()},_getCreateOptions:e.noop,_getCreateEventData:e.noop,_create:e.noop,_init:e.noop,destroy:function(){this._destroy(),this.element.unbind(this.eventNamespace).removeData(this.widgetFullName).removeData(e.camelCase(this.widgetFullName)),this.widget().unbind(this.eventNamespace).removeAttr("aria-disabled").removeClass(this.widgetFullName+"-disabled "+"ui-state-disabled"),this.bindings.unbind(this.eventNamespace),this.hoverable.removeClass("ui-state-hover"),this.focusable.removeClass("ui-state-focus")},_destroy:e.noop,widget:function(){return this.element},option:function(t,i){var s,n,a,o=t;if(0===arguments.length)return e.widget.extend({},this.options);if("string"==typeof t)if(o={},s=t.split("."),t=s.shift(),s.length){for(n=o[t]=e.widget.extend({},this.options[t]),a=0;s.length-1>a;a++)n[s[a]]=n[s[a]]||{},n=n[s[a]];if(t=s.pop(),1===arguments.length)return void 0===n[t]?null:n[t];n[t]=i}else{if(1===arguments.length)return void 0===this.options[t]?null:this.options[t];o[t]=i}return this._setOptions(o),this},_setOptions:function(e){var t;for(t in e)this._setOption(t,e[t]);return this},_setOption:function(e,t){return this.options[e]=t,"disabled"===e&&(this.widget().toggleClass(this.widgetFullName+"-disabled",!!t),t&&(this.hoverable.removeClass("ui-state-hover"),this.focusable.removeClass("ui-state-focus"))),this},enable:function(){return this._setOptions({disabled:!1})},disable:function(){return this._setOptions({disabled:!0})},_on:function(t,i,s){var n,a=this;"boolean"!=typeof t&&(s=i,i=t,t=!1),s?(i=n=e(i),this.bindings=this.bindings.add(i)):(s=i,i=this.element,n=this.widget()),e.each(s,function(s,o){function r(){return t||a.options.disabled!==!0&&!e(this).hasClass("ui-state-disabled")?("string"==typeof o?a[o]:o).apply(a,arguments):void 0}"string"!=typeof o&&(r.guid=o.guid=o.guid||r.guid||e.guid++);var h=s.match(/^([\w:-]*)\s*(.*)$/),l=h[1]+a.eventNamespace,u=h[2];u?n.delegate(u,l,r):i.bind(l,r)})},_off:function(t,i){i=(i||"").split(" ").join(this.eventNamespace+" ")+this.eventNamespace,t.unbind(i).undelegate(i),this.bindings=e(this.bindings.not(t).get()),this.focusable=e(this.focusable.not(t).get()),this.hoverable=e(this.hoverable.not(t).get())},_delay:function(e,t){function i(){return("string"==typeof e?s[e]:e).apply(s,arguments)}var s=this;return setTimeout(i,t||0)},_hoverable:function(t){this.hoverable=this.hoverable.add(t),this._on(t,{mouseenter:function(t){e(t.currentTarget).addClass("ui-state-hover")},mouseleave:function(t){e(t.currentTarget).removeClass("ui-state-hover")}})},_focusable:function(t){this.focusable=this.focusable.add(t),this._on(t,{focusin:function(t){e(t.currentTarget).addClass("ui-state-focus")},focusout:function(t){e(t.currentTarget).removeClass("ui-state-focus")}})},_trigger:function(t,i,s){var n,a,o=this.options[t];if(s=s||{},i=e.Event(i),i.type=(t===this.widgetEventPrefix?t:this.widgetEventPrefix+t).toLowerCase(),i.target=this.element[0],a=i.originalEvent)for(n in a)n in i||(i[n]=a[n]);return this.element.trigger(i,s),!(e.isFunction(o)&&o.apply(this.element[0],[i].concat(s))===!1||i.isDefaultPrevented())}},e.each({show:"fadeIn",hide:"fadeOut"},function(t,i){e.Widget.prototype["_"+t]=function(s,n,a){"string"==typeof n&&(n={effect:n});var o,r=n?n===!0||"number"==typeof n?i:n.effect||i:t;n=n||{},"number"==typeof n&&(n={duration:n}),o=!e.isEmptyObject(n),n.complete=a,n.delay&&s.delay(n.delay),o&&e.effects&&e.effects.effect[r]?s[t](n):r!==t&&s[r]?s[r](n.duration,n.easing,a):s.queue(function(i){e(this)[t](),a&&a.call(s[0]),i()})}}),e.widget});
((function ( $ ) {
"use strict";
$.widget('aerolab.blockrain', {
options: {
autoplay: false, // Let a bot play the game
autoplayRestart: true, // Restart the game automatically once a bot loses
showFieldOnStart: true, // Show a bunch of random blocks on the start screen (it looks nice)
theme: null, // The theme name or a theme object
blockWidth: 10, // How many blocks wide the field is (The standard is 10 blocks)
autoBlockWidth: false, // The blockWidth is dinamically calculated based on the autoBlockSize. Disabled blockWidth. Useful for responsive backgrounds
autoBlockSize: 24, // The max size of a block for autowidth mode
difficulty: 'normal', // Difficulty (normal|nice|evil).
speed: 20, // The speed of the game. The higher, the faster the pieces go.
asdwKeys: true, // Enable ASDW keys
// Copy
playText: 'Let\'s play some Tetris',
playButtonText: 'Play',
gameOverText: 'Game Over',
restartButtonText: 'Play Again',
scoreText: 'Score',
// Basic Callbacks
onStart: function(){},
onRestart: function(){},
onGameOver: function(score){},
// When a block is placed
onPlaced: function(){},
// When a line is made. Returns the number of lines, score assigned and total score
onLine: function(lines, scoreIncrement, score){}
},
/**
* Start/Restart Game
*/
start: function() {
this._doStart();
this.options.onStart.call(this.element);
},
restart: function() {
this._doStart();
this.options.onRestart.call(this.element);
},
gameover: function() {
this.showGameOverMessage();
this._board.gameover = true;
this.options.onGameOver.call(this.element, this._filled.score);
},
_doStart: function() {
this._filled.clearAll();
this._filled._resetScore();
this._board.cur = this._board.nextShape();
this._board.started = true;
this._board.gameover = false;
this._board.dropDelay = 5;
this._board.render(true);
this._board.animate();
this._$start.fadeOut(150);
this._$gameover.fadeOut(150);
this._$score.fadeIn(150);
},
pause: function() {
this._board.paused = true;
},
resume: function() {
this._board.paused = false;
},
autoplay: function(enable) {
if( typeof enable !== 'boolean' ){ enable = true; }
// On autoplay, start the game right away
this.options.autoplay = enable;
if( enable && ! this._board.started ) {
this._doStart();
}
this._setupControls( ! enable );
this._setupTouchControls( ! enable );
},
controls: function(enable) {
if( typeof enable !== 'boolean' ){ enable = true; }
this._setupControls(enable);
},
touchControls: function(enable) {
if( typeof enable !== 'boolean' ){ enable = true; }
this._setupTouchControls(enable);
},
score: function(newScore) {
if( typeof newScore !== 'undefined' && parseInt(newScore) >= 0 ) {
this._filled.score = parseInt(newScore);
this._$scoreText.text(this._filled_score);
}
return this._filled.score;
},
freesquares: function() {
return this._filled.getFreeSpaces();
},
showStartMessage: function() {
this._$start.show();
},
showGameOverMessage: function() {
this._$gameover.show();
},
/**
* Update the sizes of the renderer (this makes the game responsive)
*/
updateSizes: function() {
this._PIXEL_WIDTH = this.element.innerWidth();
this._PIXEL_HEIGHT = this.element.innerHeight();
this._BLOCK_WIDTH = this.options.blockWidth;
this._BLOCK_HEIGHT = Math.floor(this.element.innerHeight() / this.element.innerWidth() * this._BLOCK_WIDTH);
this._block_size = Math.floor(this._PIXEL_WIDTH / this._BLOCK_WIDTH);
this._border_width = 2;
// Recalculate the pixel width and height so the canvas always has the best possible size
this._PIXEL_WIDTH = this._block_size * this._BLOCK_WIDTH;
this._PIXEL_HEIGHT = this._block_size * this._BLOCK_HEIGHT;
this._$canvas .attr('width', this._PIXEL_WIDTH)
.attr('height', this._PIXEL_HEIGHT);
},
theme: function(newTheme){
if( typeof newTheme === 'undefined' ) {
return this.options.theme || this._theme;
}
// Setup the theme properly
if( typeof newTheme === 'string' ) {
this.options.theme = newTheme;
this._theme = $.extend(true, {}, BlockrainThemes[newTheme]);
}
else {
this.options.theme = null;
this._theme = newTheme;
}
if( typeof this._theme === 'undefined' || this._theme === null ) {
this._theme = $.extend(true, {}, BlockrainThemes['retro']);
this.options.theme = 'retro';
}
if( isNaN(parseInt(this._theme.strokeWidth)) || typeof parseInt(this._theme.strokeWidth) !== 'number' ) {
this._theme.strokeWidth = 2;
}
// Load the image assets
this._preloadThemeAssets();
if( this._board !== null ) {
if( typeof this._theme.background === 'string' ) {
this._$canvas.css('background-color', this._theme.background);
}
this._board.render();
}
},
// Theme
_theme: {
},
// UI Elements
_$game: null,
_$canvas: null,
_$gameholder: null,
_$start: null,
_$gameover: null,
_$score: null,
_$scoreText: null,
// Canvas
_canvas: null,
_ctx: null,
// Initialization
_create: function() {
var game = this;
this.theme(this.options.theme);
this._createHolder();
this._createUI();
this._refreshBlockSizes();
this.updateSizes();
$(window).resize(function(){
//game.updateSizes();
});
this._SetupShapeFactory();
this._SetupFilled();
this._SetupInfo();
this._SetupBoard();
this._info.init();
this._board.init();
var renderLoop = function(){
requestAnimationFrame(renderLoop);
game._board.render();
};
renderLoop();
if( this.options.autoplay ) {
this.autoplay(true);
this._setupTouchControls(false);
} else {
this._setupControls(true);
this._setupTouchControls(true);
}
},
_checkCollisions: function(x, y, blocks, checkDownOnly) {
// x & y should be aspirational values
var i = 0, len = blocks.length, a, b;
for (; i<len; i += 2) {
a = x + blocks[i];
b = y + blocks[i+1];
if (b >= this._BLOCK_HEIGHT || this._filled.check(a, b)) {
return true;
} else if (!checkDownOnly && a < 0 || a >= this._BLOCK_WIDTH) {
return true;
}
}
return false;
},
_board: null,
_info: null,
_filled: null,
/**
* Draws the background
*/
_drawBackground: function() {
if( typeof this._theme.background !== 'string' ) {
return;
}
if( this._theme.backgroundGrid instanceof Image ) {
// Not loaded
if( this._theme.backgroundGrid.width === 0 || this._theme.backgroundGrid.height === 0 ){ return; }
this._ctx.globalAlpha = 1.0;
for( var x=0; x<this._BLOCK_WIDTH; x++ ) {
for( var y=0; y<this._BLOCK_HEIGHT; y++ ) {
var cx = x * this._block_size;
var cy = y * this._block_size;
this._ctx.drawImage( this._theme.backgroundGrid,
0, 0, this._theme.backgroundGrid.width, this._theme.backgroundGrid.height,
cx, cy, this._block_size, this._block_size);
}
}
}
else if( typeof this._theme.backgroundGrid === 'string' ) {
var borderWidth = this._theme.strokeWidth;
var borderDistance = Math.round(this._block_size*0.23);
var squareDistance = Math.round(this._block_size*0.30);
this._ctx.globalAlpha = 1.0;
this._ctx.fillStyle = this._theme.backgroundGrid;
for( var x=0; x<this._BLOCK_WIDTH; x++ ) {
for( var y=0; y<this._BLOCK_HEIGHT; y++ ) {
var cx = x * this._block_size;
var cy = y * this._block_size;
this._ctx.fillRect(cx+borderWidth, cy+borderWidth, this._block_size-borderWidth*2, this._block_size-borderWidth*2);
}
}
}
this._ctx.globalAlpha = 1.0;
},
/**
* Shapes
*/
_shapeFactory: null,
_shapes: {
/**
* The shapes have a reference point (the dot) and always rotate left.
* Keep in mind that the blocks should keep in the same relative position when rotating,
* to allow for custom per-block themes.
*/
/*
* X
* O XOXX
* X
* X
* . .
*/
line: [
[ 0, -1, 0, -2, 0, -3, 0, -4],
[ 2, -2, 1, -2, 0, -2, -1, -2],
[ 0, -4, 0, -3, 0, -2, 0, -1],
[-1, -2, 0, -2, 1, -2, 2, -2]
],
/*
* XX
* XX
*/
square: [
[0, 0, 1, 0, 0, -1, 1, -1],
[1, 0, 1, -1, 0, 0, 0, -1],
[1, -1, 0, -1, 1, 0, 0, 0],
[0, -1, 0, 0, 1, -1, 1, 0]
],
/*
* X X X
* XOX XO XOX OX
* . .X .X .X
*/
arrow: [
[0, -1, 1, -1, 2, -1, 1, -2],
[1, 0, 1, -1, 1, -2, 0, -1],
[2, -1, 1, -1, 0, -1, 1, 0],
[1, -2, 1, -1, 1, 0, 2, -1]
],
/*
* X X XX
* O XOX O XOX
* .XX . .X X
*/
rightHook: [
[2, 0, 1, 0, 1, -1, 1, -2],
[2, -2, 2, -1, 1, -1, 0, -1],
[0, -2, 1, -2, 1, -1, 1, 0],
[0, 0, 0, -1, 1, -1, 2, -1]
],
/*
* X XX X
* O XOX O XOX
* XX . X .X .
*/
leftHook: [
[0, 0, 1, 0, 1, -1, 1, -2],
[2, 0, 2, -1, 1, -1, 0, -1],
[2, -2, 1, -2, 1, -1, 1, 0],
[0, -2, 0, -1, 1, -1, 2, -1]
],
/*
* X XX
* XO OX
* X .
*/
leftZag: [
[0, 0, 0, -1, 1, -1, 1, -2],
[2, -1, 1, -1, 1, -2, 0, -2],
[1, -2, 1, -1, 0, -1, 0, 0],
[0, -2, 1, -2, 1, -1, 2, -1]
],
/*
* X
* XO OX
* .X XX
*/
rightZag: [
[1, 0, 1, -1, 0, -1, 0, -2],
[2, -1, 1, -1, 1, 0, 0, 0],
[0, -2, 0, -1, 1, -1, 1, 0],
[0, 0, 1, 0, 1, -1, 2, -1]
]
},
_SetupShapeFactory: function(){
var game = this;
if( this._shapeFactory !== null ){ return; }
function Shape(game, orientations, symmetrical, blockType) {
$.extend(this, {
x: 0,
y: 0,
symmetrical: symmetrical,
init: function() {
$.extend(this, {
orientation: 0,
x: Math.floor(game._BLOCK_WIDTH / 2) - 1,
y: -1
});
return this;
},
blockType: blockType,
blockVariation: null,
blocksLen: orientations[0].length,
orientations: orientations,
orientation: 0, // 4 possible
rotate: function(direction) {
var orientation =
(this.orientation + (direction === "left" ? 1 : -1) + 4) % 4;
if (!game._checkCollisions(
this.x,
this.y,
this.getBlocks(orientation)
)) {
this.orientation = orientation;
game._board.renderChanged = true;
} else {
var ogOrientation = this.orientation;
var ogX = this.x;
var ogY = this.y;
this.orientation = orientation;
while (this.x >= game._BLOCK_WIDTH - 2) {
this.x--;
}
while (this.x < 0) {
this.x++;
}
if (this.blockType === "line" && this.x === 0) this.x++;
if ( game._checkCollisions(
this.x,
this.y,
this.getBlocks(orientation)
)
) {
this.y--;
if (
game._checkCollisions(
this.x,
this.y,
this.getBlocks(orientation)
)
) {
this.x = ogX;
this.y = ogY;
this.orientation = ogOrientation;
}
}
game._board.renderChanged = true;
}
},
moveRight: function() {
if (!game._checkCollisions(this.x + 1, this.y, this.getBlocks())) {
this.x++;
game._board.renderChanged = true;
}
},
moveLeft: function() {
if (!game._checkCollisions(this.x - 1, this.y, this.getBlocks())) {
this.x--;
game._board.renderChanged = true;
}
},
drop: function() {
if (!game._checkCollisions(this.x, this.y + 1, this.getBlocks())) {
this.y++;
// Reset the drop count, as we dropped the block sooner
game._board.dropCount = -1;
game._board.animate();
game._board.renderChanged = true;
}
},
getBlocks: function(orientation) { // optional param
return this.orientations[orientation !== undefined ? orientation : this.orientation];
},
draw: function(_x, _y, _orientation) {
var blocks = this.getBlocks(_orientation),
x = _x === undefined ? this.x : _x,
y = _y === undefined ? this.y : _y,
i = 0,
index = 0;
for (; i<this.blocksLen; i += 2) {
game._board.drawBlock(x + blocks[i], y + blocks[i+1], this.blockType, this.blockVariation, index, this.orientation, true);
index++;
}
},
getBounds: function(_blocks) { // _blocks can be an array of blocks, an orientation index, or undefined
var blocks = $.isArray(_blocks) ? _blocks : this.getBlocks(_blocks),
i=0, len=blocks.length, minx=999, maxx=-999, miny=999, maxy=-999;
for (; i<len; i+=2) {
if (blocks[i] < minx) { minx = blocks[i]; }
if (blocks[i] > maxx) { maxx = blocks[i]; }
if (blocks[i+1] < miny) { miny = blocks[i+1]; }
if (blocks[i+1] > maxy) { maxy = blocks[i+1]; }
}
return {
left: minx,
right: maxx,
top: miny,
bottom: maxy,
width: maxx - minx,
height: maxy - miny
};
}
});
return this.init();
};
this._shapeFactory = {
line: function() {
return new Shape(game, game._shapes.line, false, 'line');
},
square: function() {
return new Shape(game, game._shapes.square, false, 'square');
},
arrow: function() {
return new Shape(game, game._shapes.arrow, false, 'arrow');
},
leftHook: function() {
return new Shape(game, game._shapes.leftHook, false, 'leftHook');
},
rightHook: function() {
return new Shape(game, game._shapes.rightHook, false, 'rightHook');
},
leftZag: function() {
return new Shape(game, game._shapes.leftZag, false, 'leftZag');
},
rightZag: function() {
return new Shape(game, game._shapes.rightZag, false, 'rightZag');
}
};
},
_SetupFilled: function() {
var game = this;
if( this._filled !== null ){ return; }
this._filled = {
data: new Array(game._BLOCK_WIDTH * game._BLOCK_HEIGHT),
score: 0,
toClear: {},
check: function(x, y) {
return this.data[this.asIndex(x, y)];
},
add: function(x, y, blockType, blockVariation, blockIndex, blockOrientation) {
if (x >= 0 && x < game._BLOCK_WIDTH && y >= 0 && y < game._BLOCK_HEIGHT) {
this.data[this.asIndex(x, y)] = {
blockType: blockType,
blockVariation: blockVariation,
blockIndex: blockIndex,
blockOrientation: blockOrientation
};
}
},
getFreeSpaces: function() {
var count = 0;
for( var i=0; i<this.data.length; i++ ) {
count += (this.data[i] ? 1 : 0);
}
},
asIndex: function(x, y) {
return x + y*game._BLOCK_WIDTH;
},
asX: function(index) {
return index % game._BLOCK_WIDTH;
},
asY: function(index) {
return Math.floor(index / game._BLOCK_WIDTH);
},
clearAll: function() {
delete this.data;
this.data = new Array(game._BLOCK_WIDTH * game._BLOCK_HEIGHT);
},
_popRow: function(row_to_pop) {
for (var i=game._BLOCK_WIDTH*(row_to_pop+1) - 1; i>=0; i--) {
this.data[i] = (i >= game._BLOCK_WIDTH ? this.data[i-game._BLOCK_WIDTH] : undefined);
}
},
checkForClears: function() {
var startLines = game._board.lines;
var rows = [], i, len, count, mod;
for (i=0, len=this.data.length; i<len; i++) {
mod = this.asX(i);
if (mod == 0) count = 0;
if (this.data[i] && typeof this.data[i] !== 'undefined' && typeof this.data[i].blockType === 'string') {
count += 1;
}
if (mod == game._BLOCK_WIDTH - 1 && count == game._BLOCK_WIDTH) {
rows.push(this.asY(i));
}
}
for (i=0, len=rows.length; i<len; i++) {
this._popRow(rows[i]);
game._board.lines++;
if( game._board.lines % 10 == 0 && game._board.dropDelay > 1 ) {
game._board.dropDelay *= 0.9;
}
}
var clearedLines = game._board.lines - startLines;
this._updateScore(clearedLines);
},
_updateScore: function(numLines) {
if( numLines <= 0 ) { return; }
var scores = [0,400,1000,3000,12000];
if( numLines >= scores.length ){ numLines = scores.length-1 }
this.score += scores[numLines];
game._$scoreText.text(this.score);
game.options.onLine.call(game.element, numLines, scores[numLines], this.score);
},
_resetScore: function() {
this.score = 0;
game._$scoreText.text(this.score);
},
draw: function() {
for (var i=0, len=this.data.length, row, color; i<len; i++) {
if (this.data[i] !== undefined) {
row = this.asY(i);
var block = this.data[i];
game._board.drawBlock(this.asX(i), row, block.blockType, block.blockVariation, block.blockIndex, block.blockOrientation);
}
}
}
};
},
_SetupInfo: function() {
var game = this;
this._info = {
mode: game.options.difficulty,
modes: [
'normal',
'nice',
'evil'
],
modesY: 170,
autopilotY: null,
init: function() {
this.mode = game.options.difficulty;
},
setMode: function(mode) {
this.mode = mode;
game._board.nextShape(true);
}
};
},
_SetupBoard: function() {
var game = this;
var info = this._info;
this._board = {
// This sets the tick rate for the game
animateDelay: 1000 / game.options.speed,
animateTimeoutId: null,
cur: null,
lines: 0,
// DropCount increments on each animation frame. After n frames, the piece drops 1 square
// By making dropdelay lower (down to 0), the pieces move faster, up to once per tick (animateDelay).
dropCount: 0,
dropDelay: 5, //5,
holding: {left: null, right: null, drop: null},
holdingThreshold: 200, // How long do you have to hold a key to make commands repeat (in ms)
started: false,
gameover: false,
renderChanged: true,
init: function() {
this.cur = this.nextShape();
if( game.options.showFieldOnStart ) {
game._drawBackground();
game._board.createRandomBoard();
game._board.render();
}
this.showStartMessage();
},
showStartMessage: function() {
game._$start.show();
},
showGameOverMessage: function() {
game._$gameover.show();
},
nextShape: function(_set_next_only) {
var next = this.next,
func, shape, result;
if (info.mode == 'nice' || info.mode == 'evil') {
func = game._niceShapes;
}
else {
func = game._randomShapes();
}
if( game.options.no_preview ) {
this.next = null;
if (_set_next_only) return null;
shape = func(game._filled, game._checkCollisions, game._BLOCK_WIDTH, game._BLOCK_HEIGHT, info.mode);
if (!shape) throw new Error('No shape returned from shape function!', func);
shape.init();
result = shape;
}
else {
shape = func(game._filled, game._checkCollisions, game._BLOCK_WIDTH, game._BLOCK_HEIGHT, info.mode);
if (!shape) throw new Error('No shape returned from shape function!', func);
shape.init();
this.next = shape;
if (_set_next_only) return null;
result = next || this.nextShape();
}
if( game.options.autoplay ) { //fun little hack...
game._niceShapes(game._filled, game._checkCollisions, game._BLOCK_WIDTH, game._BLOCK_HEIGHT, 'normal', result);
result.orientation = result.best_orientation;
result.x = result.best_x;
}
if( typeof game._theme.complexBlocks !== 'undefined' ) {
if( $.isArray(game._theme.complexBlocks[result.blockType]) ) {
result.blockVariation = game._randInt(0, game._theme.complexBlocks[result.blockType].length-1);
} else {
result.blockVariation = null;
}
}
else if( typeof game._theme.blocks !== 'undefined' ) {
if( $.isArray(game._theme.blocks[result.blockType]) ) {
result.blockVariation = game._randInt(0, game._theme.blocks[result.blockType].length-1);
} else {
result.blockVariation = null;
}
}
return result;
},
animate: function() {
var drop = false,
moved = false,
gameOver = false,
now = Date.now();
if( this.animateTimeoutId ){ clearTimeout(this.animateTimeoutId); }
//game.updateSizes();
if( !this.paused && !this.gameover ) {
this.dropCount++;
// Drop by delay or holding
if( (this.dropCount >= this.dropDelay) ||
(game.options.autoplay) ||
(this.holding.drop && (now - this.holding.drop) >= this.holdingThreshold) ) {
drop = true;
moved = true;
this.dropCount = 0;
}
// Move Left by holding
if( this.holding.left && (now - this.holding.left) >= this.holdingThreshold ) {
moved = true;
this.cur.moveLeft();
}
// Move Right by holding
if( this.holding.right && (now - this.holding.right) >= this.holdingThreshold ) {
moved = true;
this.cur.moveRight();
}
// Test for a collision, add the piece to the filled blocks and fetch the next one
if (drop) {
var cur = this.cur, x = cur.x, y = cur.y, blocks = cur.getBlocks();
if (game._checkCollisions(x, y+1, blocks, true)) {
drop = false;
var blockIndex = 0;
for (var i=0; i<cur.blocksLen; i+=2) {
game._filled.add(x + blocks[i], y + blocks[i+1], cur.blockType, cur.blockVariation, blockIndex, cur.orientation);
if (y + blocks[i] < 0) {
gameOver = true;
}
blockIndex++;
}
game._filled.checkForClears();
this.cur = this.nextShape();
this.renderChanged = true;
// Stop holding drop (and any other buttons). Just in case the controls get sticky.
this.holding.left = null;
this.holding.right = null;
this.holding.drop = null;
game.options.onPlaced.call(game.element);
}
}
}
// Drop
if (drop) {
moved = true;
this.cur.y++;
}
if( drop || moved ) {
this.renderChanged = true;
}
if( gameOver ) {
this.gameover = true;
game.gameover();
if( game.options.autoplay && game.options.autoplayRestart ) {
// On autoplay, restart the game automatically
game.restart();
}
this.renderChanged = true;
} else {
// Update the speed
this.animateDelay = 1000 / game.options.speed;
this.animateTimeoutId = window.setTimeout(function() {
game._board.animate();
}, this.animateDelay);
}
},
createRandomBoard: function() {
var start = [], blockTypes = [], i, ilen, j, jlen, blockType;
// Draw a random blockrain screen
blockTypes = Object.keys(game._shapeFactory);
for (i=0, ilen=game._BLOCK_WIDTH; i<ilen; i++) {
for (j=0, jlen=game._randChoice([game._randInt(0, 8), game._randInt(5, 9)]); j<jlen; j++) {
if (!blockType || !game._randInt(0, 3)) blockType = game._randChoice(blockTypes);
// Use a random piece and orientation
// Todo: Use an actual random variation
game._filled.add(i, game._BLOCK_HEIGHT - j, blockType, game._randInt(0,3), null, game._randInt(0,3));
}
}
/*
for (i=0, ilen=WIDTH; i<ilen; i++) {
for (j=0, jlen=randChoice([randInt(0, 8), randInt(5, 9)]); j<jlen; j++) {
if (!blockType || !randInt(0, 3)) blockType = randChoice(blockTypes);
start.push([i, HEIGHT - j, blockType]);
}
}
if( options.showFieldOnStart ) {
drawBackground();
for (i=0, ilen=start.length; i<ilen; i++) {
drawBlock.apply(drawBlock, start[i]);
}
}
*/
game._board.render(true);
},
render: function(forceRender) {
if( this.renderChanged || forceRender ) {
this.renderChanged = false;
game._ctx.clearRect(0, 0, game._PIXEL_WIDTH, game._PIXEL_HEIGHT);
game._drawBackground();
game._filled.draw();
this.cur.draw();
}
},
/**
* Draws one block (Each piece is made of 4 blocks)
* The blockType is used to draw any block.
* The falling attribute is needed to apply different styles for falling and placed blocks.
*/
drawBlock: function(x, y, blockType, blockVariation, blockIndex, blockRotation, falling) {
// convert x and y to pixel
x = x * game._block_size;
y = y * game._block_size;
falling = typeof falling === 'boolean' ? falling : false;
var borderWidth = game._theme.strokeWidth;
var borderDistance = Math.round(game._block_size*0.23);
var squareDistance = Math.round(game._block_size*0.30);
var color = this.getBlockColor(blockType, blockVariation, blockIndex, falling);
// Draw the main square
game._ctx.globalAlpha = 1.0;
// If it's an image, the block has a specific texture. Use that.
if( color instanceof Image ) {
game._ctx.globalAlpha = 1.0;
// Not loaded
if( color.width === 0 || color.height === 0 ){ return; }
// A square is the same style for all blocks
if( typeof game._theme.blocks !== 'undefined' && game._theme.blocks !== null ) {
game._ctx.drawImage(color, 0, 0, color.width, color.height, x, y, game._block_size, game._block_size);
}
// A custom texture
else if( typeof game._theme.complexBlocks !== 'undefined' && game._theme.complexBlocks !== null ) {
if( typeof blockIndex === 'undefined' || blockIndex === null ){ blockIndex = 0; }
var getCustomBlockImageCoordinates = function(image, blockType, blockIndex) {
// The image is based on the first ("upright") orientation
var positions = game._shapes[blockType][0];
// Find the number of tiles it should have
var minX = Math.min(positions[0], positions[2], positions[4], positions[6]);
var maxX = Math.max(positions[0], positions[2], positions[4], positions[6]);
var minY = Math.min(positions[1], positions[3], positions[5], positions[7]);
var maxY = Math.max(positions[1], positions[3], positions[5], positions[7]);
var rangeX = maxX - minX + 1;
var rangeY = maxY - minY + 1;
// X and Y sizes should match. Should.