[81] | 1 | /* -*- coding: utf-8 -*- |
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| 2 | * |
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| 3 | * Copyright (C) 2010 by Atzm WATANABE <atzm@atzm.org> |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify it |
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| 6 | * under the terms of the GNU General Public License (version 2) as |
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| 7 | * published by the Free Software Foundation. It is distributed in the |
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| 8 | * hope that it will be useful, but WITHOUT ANY WARRANTY; without even the |
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| 9 | * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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| 10 | * PURPOSE. See the GNU General Public License for more details. |
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| 11 | * |
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| 12 | * $Id$ |
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| 13 | * |
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| 14 | */ |
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| 15 | |
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| 16 | System = { |
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| 17 | "screen": { |
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| 18 | "canvas": null, |
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| 19 | "ctx": null, |
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| 20 | "width": 0, |
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| 21 | "height": 0 |
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| 22 | }, |
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[119] | 23 | "sound": {}, |
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[84] | 24 | "message": null, |
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[109] | 25 | "enemyImages": new Array(), |
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[108] | 26 | "enemies": new Array(), |
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| 27 | "players": new Array(), |
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[112] | 28 | "score": {}, |
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[123] | 29 | "stage": -1, |
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[81] | 30 | "backgroundObject": new Array(), |
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[95] | 31 | "deathPieces": new Array(), |
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[81] | 32 | "mainIntervalId": 0 |
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| 33 | }; |
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| 34 | |
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| 35 | |
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| 36 | /* |
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[108] | 37 | * Tiun Tiun Utilities |
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[95] | 38 | */ |
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| 39 | var DeathPiece = function(sizes, colors, x, y, dir, speed) { |
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[114] | 40 | var that = new LinerBullet(sizes[0], colors[0], null, |
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| 41 | System.screen.width, System.screen.height, |
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| 42 | x, y, dir, speed); |
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[95] | 43 | |
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| 44 | var sizeIdx = -1; |
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| 45 | var colorIdx = -1; |
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| 46 | |
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| 47 | that.getSize = function() { |
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| 48 | if (++sizeIdx >= sizes.length) |
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| 49 | sizeIdx = 0; |
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| 50 | return sizes[sizeIdx]; |
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| 51 | }; |
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| 52 | |
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| 53 | that.getColor = function() { |
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| 54 | if (++colorIdx >= colors.length) |
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| 55 | colorIdx = 0; |
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| 56 | return colors[colorIdx]; |
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| 57 | }; |
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| 58 | |
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| 59 | return that; |
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| 60 | }; |
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| 61 | |
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[108] | 62 | function addDeathPieces(x, y, sizes, colors, speed, way) { |
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| 63 | if (way % 2) |
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| 64 | way++; |
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[95] | 65 | |
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[108] | 66 | var pieces = new Array(); |
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| 67 | var angle = 0; |
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| 68 | var delta = 2 / way; |
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| 69 | |
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| 70 | for(var i = 0; i < way; i++) { |
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| 71 | pieces.push(new DeathPiece(sizes, colors, x, y, angle * Math.PI, speed)); |
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| 72 | angle += delta; |
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| 73 | } |
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| 74 | |
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| 75 | System.deathPieces.push(pieces); |
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| 76 | } |
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| 77 | |
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| 78 | function updateDeathPieces(ctx, width, height) { |
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| 79 | var newObjs = new Array(); |
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| 80 | |
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| 81 | for (var i = 0; i < System.deathPieces.length; i++) { |
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| 82 | var pieces = System.deathPieces[i]; |
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| 83 | var newPieces = new Array(); |
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| 84 | |
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| 85 | for (var k = 0; k < pieces.length; k++) { |
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| 86 | pieces[k].next(); |
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| 87 | pieces[k].draw(ctx); |
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| 88 | if (!pieces[k].vanished(width, height)) |
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| 89 | newPieces.push(pieces[k]); |
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| 90 | } |
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| 91 | |
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| 92 | if (newPieces.length) |
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| 93 | newObjs.push(newPieces); |
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| 94 | } |
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| 95 | |
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| 96 | System.deathPieces = newObjs; |
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| 97 | } |
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| 98 | |
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| 99 | |
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[95] | 100 | /* |
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[81] | 101 | * Utility Functions |
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| 102 | */ |
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[108] | 103 | function setMessage(elem, msg) { |
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| 104 | if (elem) |
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| 105 | elem.innerHTML = msg; |
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| 106 | } |
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| 107 | |
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| 108 | function addMessage(elem, msg) { |
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| 109 | if (elem) |
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| 110 | elem.innerHTML += msg; |
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| 111 | } |
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| 112 | |
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[81] | 113 | function updateBackground(ctx, width, height, size, color, max) { |
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| 114 | if (System.backgroundObject.length < max) { |
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| 115 | var x = Math.ceil(Math.random() * width); |
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| 116 | var s = Math.ceil(Math.random() * 5); |
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| 117 | System.backgroundObject.push( |
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[114] | 118 | new LinerBullet(size, color, null, |
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| 119 | System.screen.width, System.screen.height, |
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| 120 | x, 0, 0.5 * Math.PI, s)); |
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[81] | 121 | } |
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| 122 | |
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| 123 | var newObjs = new Array(); |
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[108] | 124 | |
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[96] | 125 | for (var i = 0; i < System.backgroundObject.length; i++) { |
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[81] | 126 | System.backgroundObject[i].next(); |
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| 127 | System.backgroundObject[i].draw(ctx); |
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| 128 | if (!System.backgroundObject[i].vanished(width, height)) |
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| 129 | newObjs.push(System.backgroundObject[i]); |
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| 130 | } |
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[108] | 131 | |
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[81] | 132 | System.backgroundObject = newObjs; |
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| 133 | } |
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| 134 | |
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| 135 | function drawScreen(ctx, op, style, width, height) { |
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| 136 | var c = ctx.globalCompositeOperation; |
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| 137 | ctx.globalCompositeOperation = op; |
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| 138 | ctx.beginPath(); |
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| 139 | ctx.fillStyle = style; |
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| 140 | ctx.fillRect(0, 0, width, height); |
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| 141 | ctx.fill(); |
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| 142 | ctx.closePath(); |
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| 143 | ctx.globalCompositeOperation = c; |
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| 144 | } |
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| 145 | |
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| 146 | function drawLifeGauge(ctx, op, trooper, x, y, width) { |
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| 147 | var length = trooper.life; |
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| 148 | |
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| 149 | if (length > width - 20) |
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| 150 | length = width - 20; |
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| 151 | |
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| 152 | var c = ctx.globalCompositeOperation; |
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| 153 | ctx.globalCompositeOperation = op; |
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| 154 | ctx.beginPath(); |
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| 155 | ctx.fillStyle = trooper.color; |
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| 156 | ctx.fillRect(x, y, length, 10); |
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| 157 | ctx.fill(); |
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| 158 | ctx.closePath(); |
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| 159 | ctx.globalCompositeOperation = c; |
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| 160 | |
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| 161 | drawString(ctx, op, trooper.life, x + 2, y + 8, trooper.color, |
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| 162 | "6pt monospace", "left"); |
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| 163 | } |
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| 164 | |
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| 165 | function drawString(ctx, op, string, x, y, color, font, align) { |
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| 166 | var a = ctx.textAlign; |
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| 167 | var f = ctx.font; |
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| 168 | var c = ctx.globalCompositeOperation; |
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| 169 | ctx.globalCompositeOperation = op; |
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| 170 | ctx.beginPath(); |
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| 171 | ctx.textAlign = align; |
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| 172 | ctx.fillStyle = color; |
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| 173 | ctx.font = font; |
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| 174 | ctx.fillText(string, x, y); |
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| 175 | ctx.fill(); |
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| 176 | ctx.textAlign = a; |
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| 177 | ctx.font = f; |
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| 178 | ctx.closePath(); |
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| 179 | ctx.globalCompositeOperation = c; |
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| 180 | } |
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| 181 | |
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[108] | 182 | function updateTrooper(trooper, enemyKey) { |
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| 183 | trooper.update(System[enemyKey]); |
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[95] | 184 | |
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[108] | 185 | var aliveEnemies = new Array(); |
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| 186 | for (var i = 0; i < System[enemyKey].length; i++) { |
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| 187 | var enemy = System[enemyKey][i]; |
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| 188 | |
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| 189 | if (enemy.isDead()) { |
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[112] | 190 | if (System.score[trooper.name] !== undefined) { |
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| 191 | System.score[trooper.name] += enemy.maxLife * 100; |
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| 192 | } |
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[108] | 193 | } |
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| 194 | else { |
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| 195 | aliveEnemies.push(enemy); |
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| 196 | } |
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[95] | 197 | } |
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[108] | 198 | System[enemyKey] = aliveEnemies; |
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[95] | 199 | |
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[108] | 200 | trooper.draw(System.screen.ctx); |
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| 201 | } |
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| 202 | |
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[126] | 203 | function getStageNumber() { |
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| 204 | return System.stage; |
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| 205 | } |
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| 206 | |
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[123] | 207 | function switchStage(base) { |
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| 208 | var scores = Object.keys(System.score); |
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| 209 | var sum = 0; |
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| 210 | var stages = new Array(); |
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| 211 | var score = 0; |
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| 212 | var stage = 1; |
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| 213 | var switched = false; |
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[122] | 214 | |
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| 215 | for (var i = 0; i < scores.length; i++) { |
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| 216 | sum += System.score[scores[i]]; |
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| 217 | } |
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| 218 | |
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| 219 | for (var name in System.sound) { |
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| 220 | if (!name.match(/^bgm_stage/)) continue; |
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| 221 | stages.push(name); |
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| 222 | } |
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| 223 | |
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[123] | 224 | score = Math.round(sum / scores.length); |
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| 225 | stage = Math.floor((score % (stages.length * base)) / base) + 1; |
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| 226 | switched = System.stage != stage; |
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| 227 | System.stage = stage; |
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| 228 | |
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| 229 | return switched; |
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| 230 | } |
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| 231 | |
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| 232 | function switchBgm(stage) { |
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| 233 | for (var name in System.sound) { |
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[125] | 234 | if (!name.match(/^bgm_stage/)) |
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| 235 | continue; |
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[123] | 236 | if (("bgm_stage" + stage) == name) |
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| 237 | playSound(name); |
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| 238 | else |
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| 239 | pauseSound(name, true); |
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[122] | 240 | } |
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| 241 | } |
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| 242 | |
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[119] | 243 | function toggleSound(val) { |
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| 244 | for (var name in System.sound) |
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| 245 | System.sound[name].muted = !val; |
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| 246 | } |
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| 247 | |
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| 248 | function registerSound(name, audio) { |
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| 249 | System.sound[name] = audio; |
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| 250 | } |
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| 251 | |
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| 252 | function playSound(name) { |
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| 253 | if (System.sound[name]) |
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| 254 | System.sound[name].play(); |
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| 255 | } |
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| 256 | |
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[122] | 257 | function pauseSound(name, stop) { |
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| 258 | if (System.sound[name]) { |
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| 259 | System.sound[name].pause(); |
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| 260 | if (stop) |
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| 261 | System.sound[name].currentTime = 0; |
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| 262 | } |
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| 263 | } |
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| 264 | |
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[126] | 265 | function getEnemiesOnScreen() { |
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[110] | 266 | return System.enemies.length; |
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| 267 | } |
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| 268 | |
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[109] | 269 | function addEnemyImage(image) { |
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| 270 | System.enemyImages.push(image); |
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| 271 | } |
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| 272 | |
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[108] | 273 | function addEnemy(enemyData) { |
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| 274 | var actList = EnemyActionLists[enemyData.mtime % EnemyActionLists.length]; |
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| 275 | var shot = EnemyShots[enemyData.hitpoint % EnemyShots.length]; |
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| 276 | var numAct = enemyData.agility % (EnemyActions.length - 1) + 1; |
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| 277 | var numBlt = enemyData.skills.length % (EnemyBullets.length - 1) + 1; |
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| 278 | var numBrrg = enemyData.skills.length % (EnemyBarrages.length - 1) + 1; |
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| 279 | var acts = new Array(); |
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| 280 | var brrgs = new Array(); |
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| 281 | |
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| 282 | var bulletWay = Math.ceil(enemyData.concentration / 10); |
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| 283 | var bulletInterval = Math.round(50 * 1 / Math.log(enemyData.skillpoint + 0.1)); |
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| 284 | var bulletSize = Math.round(Math.log(enemyData.luck + 1)); |
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| 285 | var bulletFrameWidth = (bulletSize + 5) * 2; |
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| 286 | var bulletFrameHeight = (bulletSize + 5) * 4; |
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| 287 | var bulletSpeed = enemyData.strength / 15; |
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| 288 | |
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| 289 | bulletSpeed = Math.log(bulletSpeed < 1.5 ? 1.5 : bulletSpeed); |
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| 290 | |
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| 291 | for (var i = 0; i < numAct; i++) { |
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| 292 | var idx = (enemyData.agility + i) % EnemyActions.length; |
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| 293 | acts.push(new EnemyActions[idx](new shot())); |
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[95] | 294 | } |
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[108] | 295 | |
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| 296 | for (var i = 0; i < numBrrg; i++) { |
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| 297 | var idx = (enemyData.skillpoint + i * (enemyData.skills.length + 1)) % EnemyBarrages.length; |
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| 298 | var brrgCls = EnemyBarrages[idx]; |
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[116] | 299 | var frameColor; |
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[108] | 300 | |
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[116] | 301 | switch(idx % 3) { |
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| 302 | case 0: |
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| 303 | frameColor = "rgba(128,32,32,0.7)"; |
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| 304 | break; |
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| 305 | case 1: |
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| 306 | frameColor = "rgba(32,128,32,0.7)"; |
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| 307 | break; |
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| 308 | default: |
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[117] | 309 | frameColor = "rgba(64,64,128,0.7)"; |
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[116] | 310 | } |
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| 311 | |
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[108] | 312 | for (var k = 0; k < numBlt; k++) { |
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| 313 | var iidx = (enemyData.skills.length + i + k) % EnemyBullets.length; |
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| 314 | brrgs.push( |
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| 315 | new brrgCls( |
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| 316 | EnemyBullets[iidx], |
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| 317 | bulletSize, |
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| 318 | "#FF3", |
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[116] | 319 | {"style": "rect", "color": frameColor, |
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[108] | 320 | "width": bulletFrameWidth, "height": bulletFrameHeight}, |
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| 321 | bulletInterval, |
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| 322 | bulletSpeed, |
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| 323 | bulletWay |
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| 324 | ) |
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| 325 | ); |
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| 326 | } |
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[95] | 327 | } |
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| 328 | |
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[108] | 329 | var size = Math.ceil((System.screen.width / 2) * (1 / enemyData.defense)); |
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| 330 | var enemy = new Trooper( |
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| 331 | enemyData.name, |
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| 332 | new actList(acts), |
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[109] | 333 | System.enemyImages[enemyData.hitpoint % System.enemyImages.length], |
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[108] | 334 | size, |
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| 335 | size, |
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| 336 | "#F33", |
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| 337 | "#F33", |
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[121] | 338 | Math.floor(Math.random() * System.screen.width), |
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| 339 | Math.floor(Math.random() * (System.screen.height / 4)), |
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[108] | 340 | System.screen.width, |
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| 341 | System.screen.height, |
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[111] | 342 | Math.floor(enemyData.hitpoint / 25) + 1, |
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[108] | 343 | Math.log(enemyData.agility + 0.1) * 3, |
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| 344 | 0, |
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| 345 | ["rgba(255,0,0,0.3)", "rgba(0,0,255,0.3)"], |
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| 346 | brrgs |
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| 347 | ); |
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[81] | 348 | |
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[129] | 349 | enemy.registerCallback("damaged", function() { |
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| 350 | if (enemy.isDead()) { |
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| 351 | playSound("se_destroy"); |
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| 352 | |
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| 353 | addDeathPieces( |
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| 354 | enemy.x, enemy.y, |
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| 355 | [6, 8, 10], ["#F55", "#FAA"], 3, 8 |
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| 356 | ); |
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| 357 | } |
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| 358 | else { |
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| 359 | playSound("se_damage"); |
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| 360 | } |
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| 361 | }); |
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| 362 | |
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[108] | 363 | System.enemies.push(enemy); |
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[84] | 364 | } |
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| 365 | |
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| 366 | |
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[81] | 367 | /* |
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| 368 | * Main loop |
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| 369 | */ |
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| 370 | function mainLoop() { |
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| 371 | // clear screen |
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| 372 | drawScreen( |
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| 373 | System.screen.ctx, |
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| 374 | "source-over", |
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[106] | 375 | "rgba(8,8,8,0.8)", |
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[81] | 376 | System.screen.width, |
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| 377 | System.screen.height |
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| 378 | ); |
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| 379 | |
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| 380 | // update background objects |
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| 381 | updateBackground( |
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| 382 | System.screen.ctx, |
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| 383 | System.screen.width, |
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| 384 | System.screen.height, |
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| 385 | 1, "#CAF", 10 |
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| 386 | ); |
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| 387 | |
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[123] | 388 | // switch stage |
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| 389 | if (switchStage(50000)) |
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[126] | 390 | switchBgm(getStageNumber()); |
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[122] | 391 | |
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[126] | 392 | // draw stage number |
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| 393 | drawString( |
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| 394 | System.screen.ctx, |
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| 395 | "source-over", |
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| 396 | "STAGE " + getStageNumber(), |
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| 397 | System.screen.width - 10, |
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| 398 | System.screen.height - 15, |
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| 399 | "#ACF", "9pt monospace", "right" |
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| 400 | ); |
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| 401 | |
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[112] | 402 | // draw score |
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| 403 | var scoreNames = Object.keys(System.score).sort(); |
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| 404 | for (var i = 0; i < scoreNames.length; i++) { |
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| 405 | var name = scoreNames[i]; |
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| 406 | drawString( |
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| 407 | System.screen.ctx, |
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| 408 | "source-over", |
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[126] | 409 | name + " SCORE " + System.score[name], |
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[112] | 410 | (System.screen.width - 10), |
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| 411 | i * 16 + 15, |
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| 412 | "#ACF", "9pt monospace", "right" |
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| 413 | ); |
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| 414 | } |
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| 415 | |
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[95] | 416 | // update/draw troopers |
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[108] | 417 | for (var i = 0; i < System.players.length; i++) { |
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| 418 | var player = System.players[i]; |
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[81] | 419 | |
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[108] | 420 | updateTrooper(player, "enemies"); |
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[81] | 421 | |
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[108] | 422 | drawLifeGauge( |
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| 423 | System.screen.ctx, |
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| 424 | "lighter", |
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| 425 | player, |
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| 426 | 10, |
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| 427 | (System.screen.height - 20) - (i * 33), |
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| 428 | System.screen.width |
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| 429 | ); |
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| 430 | |
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| 431 | drawString( |
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| 432 | System.screen.ctx, |
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| 433 | "source-over", |
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| 434 | player.name, |
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| 435 | 10, |
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| 436 | (System.screen.height - 23) - (i * 33), |
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| 437 | "#ACF", "9pt monospace", "left" |
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| 438 | ); |
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| 439 | } |
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| 440 | |
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| 441 | // update/draw enemies |
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| 442 | for (var i = 0; i < System.enemies.length; i++) { |
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| 443 | var enemy = System.enemies[i]; |
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| 444 | |
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| 445 | updateTrooper(enemy, "players"); |
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| 446 | |
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| 447 | drawLifeGauge( |
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| 448 | System.screen.ctx, |
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| 449 | "lighter", |
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| 450 | enemy, 10, i * 33 + 10, |
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| 451 | System.screen.width |
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| 452 | ); |
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| 453 | |
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| 454 | drawString( |
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| 455 | System.screen.ctx, |
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| 456 | "source-over", |
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| 457 | enemy.name, 10, i * 33 + 33, |
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| 458 | "#FCA", "9pt monospace", "left" |
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| 459 | ); |
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| 460 | } |
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| 461 | |
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| 462 | updateDeathPieces(System.screen.ctx, |
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| 463 | System.screen.width, |
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| 464 | System.screen.height); |
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| 465 | |
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| 466 | if (!System.players.length) { |
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| 467 | drawString( |
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| 468 | System.screen.ctx, "source-over", |
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| 469 | "GAME OVER", |
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| 470 | System.screen.width / 2, |
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| 471 | System.screen.height / 2, |
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| 472 | "#ACF", "24pt monospace", "center" |
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| 473 | ); |
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| 474 | } |
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[81] | 475 | } |
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| 476 | |
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| 477 | |
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| 478 | /* |
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| 479 | * Initializer |
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| 480 | */ |
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[108] | 481 | function initGame(canvas, msg, playerData) { |
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[81] | 482 | System.screen.canvas = canvas; |
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[84] | 483 | System.message = msg; |
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[81] | 484 | System.screen.ctx = System.screen.canvas.getContext("2d"); |
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| 485 | System.screen.width = System.screen.canvas.width; |
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| 486 | System.screen.height = System.screen.canvas.height; |
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[95] | 487 | System.gameOver = false; |
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[81] | 488 | |
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| 489 | System.screen.ctx.globalCompositeOperation = "lighter"; |
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| 490 | |
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| 491 | if (System.mainIntervalId) { |
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| 492 | clearInterval(System.mainIntervalId); |
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[122] | 493 | System.mainIntervalId = 0; |
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| 494 | System.players = new Array(); |
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| 495 | System.enemies = new Array(); |
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| 496 | System.backgroundObject = new Array(); |
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| 497 | System.deathPieces = new Array(); |
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[81] | 498 | } |
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| 499 | |
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[119] | 500 | var trooper = new Trooper( |
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[81] | 501 | playerData.name, |
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| 502 | new ActionList([new ManualAction(new ManualShot())]), |
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[109] | 503 | playerData.image, |
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[81] | 504 | playerData.size, |
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[97] | 505 | playerData.hitsize, |
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[81] | 506 | "#33F", |
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[97] | 507 | "#F33", |
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[81] | 508 | System.screen.width / 2, |
---|
| 509 | System.screen.height - System.screen.height / 7, |
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| 510 | System.screen.width, |
---|
| 511 | System.screen.height, |
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| 512 | playerData.hitpoint, |
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| 513 | playerData.speed, |
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[92] | 514 | playerData.numbombs, |
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[98] | 515 | ["rgba(255,0,0,0.3)", "rgba(0,0,255,0.3)"], |
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[81] | 516 | [new LinerBarrage(YExtendBullet, |
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| 517 | playerData.shotsize, |
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[106] | 518 | "rgba(64,64,128,0.7)", |
---|
| 519 | null, |
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[81] | 520 | playerData.shotinterval, |
---|
| 521 | playerData.shotspeed, |
---|
| 522 | playerData.shotlevel, |
---|
| 523 | -0.5), |
---|
| 524 | new LinerBarrage(YExtendBullet, |
---|
| 525 | playerData.shotsize, |
---|
[106] | 526 | "rgba(64,64,128,0.7)", |
---|
| 527 | null, |
---|
[81] | 528 | playerData.shotinterval, |
---|
| 529 | playerData.shotspeed, |
---|
| 530 | playerData.shotlevel, |
---|
| 531 | 0.5), |
---|
| 532 | new CircularBarrage(LinerBullet, |
---|
| 533 | playerData.shotsize, |
---|
[106] | 534 | "rgba(64,64,128,0.7)", |
---|
| 535 | null, |
---|
[81] | 536 | playerData.shotinterval, |
---|
| 537 | playerData.shotspeed, |
---|
| 538 | playerData.shotlevel + 2, |
---|
| 539 | -0.5)] |
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[119] | 540 | ); |
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[129] | 541 | trooper.registerCallback("addBomb", function() { playSound("se_bomb"); }); |
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| 542 | trooper.registerCallback("damaged", function() { |
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| 543 | playSound("se_destroy"); |
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[81] | 544 | |
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[129] | 545 | addDeathPieces( |
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| 546 | trooper.x, trooper.y, |
---|
| 547 | [6, 8, 10], ["#55F", "#AAF"], 3, 8 |
---|
| 548 | ); |
---|
| 549 | |
---|
| 550 | for (var i = 0; i < System.enemies.length; i++) { |
---|
| 551 | System.enemies[i].clearBullet(); |
---|
| 552 | } |
---|
| 553 | |
---|
| 554 | trooper.x = System.screen.width / 2; |
---|
| 555 | trooper.y = System.screen.height - System.screen.height / 7; |
---|
| 556 | }); |
---|
| 557 | |
---|
[119] | 558 | System.players.push(trooper); |
---|
| 559 | |
---|
[112] | 560 | for (var i = 0; i < System.players.length; i++) { |
---|
| 561 | System.score[System.players[i].name] = 0; |
---|
| 562 | } |
---|
| 563 | |
---|
[122] | 564 | drawScreen( |
---|
| 565 | System.screen.ctx, |
---|
| 566 | "source-over", |
---|
| 567 | "rgba(0,0,0,1)", |
---|
| 568 | System.screen.width, |
---|
| 569 | System.screen.height |
---|
| 570 | ); |
---|
| 571 | |
---|
| 572 | document.onkeydown = function (ev) { setKeyDown(ev.keyCode); }; |
---|
| 573 | document.onkeyup = function (ev) { setKeyUp(ev.keyCode); }; |
---|
| 574 | document.onkeypress = function (ev) { setKeyPress(ev.charCode); }; |
---|
| 575 | |
---|
| 576 | System.mainIntervalId = setInterval(mainLoop, 20); |
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[81] | 577 | } |
---|