[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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| 23 | "boss": null, |
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| 24 | "player": null, |
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| 25 | "backgroundObject": new Array(), |
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| 26 | "mainIntervalId": 0 |
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| 27 | }; |
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| 28 | |
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| 29 | |
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| 30 | /* |
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| 31 | * Utility Functions |
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| 32 | */ |
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| 33 | function updateBackground(ctx, width, height, size, color, max) { |
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| 34 | if (System.backgroundObject.length < max) { |
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| 35 | var x = Math.ceil(Math.random() * width); |
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| 36 | var s = Math.ceil(Math.random() * 5); |
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| 37 | System.backgroundObject.push( |
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| 38 | new LinerBullet(size, color, x, 0, 0.5 * Math.PI, s)); |
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| 39 | } |
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| 40 | |
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| 41 | var newObjs = new Array(); |
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| 42 | for (i = 0; i < System.backgroundObject.length; i++) { |
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| 43 | System.backgroundObject[i].next(); |
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| 44 | System.backgroundObject[i].draw(ctx); |
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| 45 | if (!System.backgroundObject[i].vanished(width, height)) |
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| 46 | newObjs.push(System.backgroundObject[i]); |
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| 47 | } |
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| 48 | System.backgroundObject = newObjs; |
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| 49 | } |
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| 50 | |
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| 51 | function drawScreen(ctx, op, style, width, height) { |
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| 52 | var c = ctx.globalCompositeOperation; |
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| 53 | ctx.globalCompositeOperation = op; |
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| 54 | ctx.beginPath(); |
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| 55 | ctx.fillStyle = style; |
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| 56 | ctx.fillRect(0, 0, width, height); |
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| 57 | ctx.fill(); |
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| 58 | ctx.closePath(); |
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| 59 | ctx.globalCompositeOperation = c; |
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| 60 | } |
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| 61 | |
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| 62 | function drawLifeGauge(ctx, op, trooper, x, y, width) { |
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| 63 | var length = trooper.life; |
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| 64 | |
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| 65 | if (length > width - 20) |
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| 66 | length = width - 20; |
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| 67 | |
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| 68 | var c = ctx.globalCompositeOperation; |
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| 69 | ctx.globalCompositeOperation = op; |
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| 70 | ctx.beginPath(); |
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| 71 | ctx.fillStyle = trooper.color; |
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| 72 | ctx.fillRect(x, y, length, 10); |
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| 73 | ctx.fill(); |
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| 74 | ctx.closePath(); |
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| 75 | ctx.globalCompositeOperation = c; |
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| 76 | |
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| 77 | drawString(ctx, op, trooper.life, x + 2, y + 8, trooper.color, |
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| 78 | "6pt monospace", "left"); |
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| 79 | } |
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| 80 | |
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| 81 | function drawString(ctx, op, string, x, y, color, font, align) { |
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| 82 | var a = ctx.textAlign; |
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| 83 | var f = ctx.font; |
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| 84 | var c = ctx.globalCompositeOperation; |
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| 85 | ctx.globalCompositeOperation = op; |
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| 86 | ctx.beginPath(); |
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| 87 | ctx.textAlign = align; |
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| 88 | ctx.fillStyle = color; |
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| 89 | ctx.font = font; |
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| 90 | ctx.fillText(string, x, y); |
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| 91 | ctx.fill(); |
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| 92 | ctx.textAlign = a; |
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| 93 | ctx.font = f; |
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| 94 | ctx.closePath(); |
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| 95 | ctx.globalCompositeOperation = c; |
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| 96 | } |
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| 97 | |
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| 98 | |
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| 99 | /* |
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| 100 | * Main loop |
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| 101 | */ |
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| 102 | function mainLoop() { |
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| 103 | // clear screen |
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| 104 | drawScreen( |
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| 105 | System.screen.ctx, |
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| 106 | "source-over", |
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| 107 | "rgba(8,8,8,0.5)", |
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| 108 | System.screen.width, |
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| 109 | System.screen.height |
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| 110 | ); |
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| 111 | |
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| 112 | // update background objects |
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| 113 | updateBackground( |
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| 114 | System.screen.ctx, |
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| 115 | System.screen.width, |
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| 116 | System.screen.height, |
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| 117 | 1, "#CAF", 10 |
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| 118 | ); |
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| 119 | |
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| 120 | // update troopers |
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| 121 | System.player.update(System.boss); |
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| 122 | System.boss.update(System.player); |
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| 123 | |
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| 124 | // draw troopers |
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| 125 | System.player.draw(System.screen.ctx); |
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| 126 | System.boss.draw(System.screen.ctx); |
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| 127 | |
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| 128 | // draw player name/life |
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| 129 | drawString( |
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| 130 | System.screen.ctx, |
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| 131 | "source-over", |
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| 132 | System.player.name, |
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| 133 | 10, System.screen.height - 25, |
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| 134 | "#ACF", "9pt monospace", "left" |
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| 135 | ); |
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| 136 | drawLifeGauge( |
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| 137 | System.screen.ctx, |
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| 138 | "lighter", |
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| 139 | System.player, |
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| 140 | 10, |
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| 141 | System.screen.height - 20, |
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| 142 | System.screen.width |
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| 143 | ); |
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| 144 | |
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| 145 | // draw boss name/life |
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| 146 | drawString( |
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| 147 | System.screen.ctx, |
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| 148 | "source-over", |
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| 149 | System.boss.name, 10, 35, |
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| 150 | "#FCA", "9pt monospace", "left" |
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| 151 | ); |
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| 152 | drawLifeGauge( |
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| 153 | System.screen.ctx, |
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| 154 | "lighter", |
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| 155 | System.boss, |
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| 156 | 10, |
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| 157 | 10, |
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| 158 | System.screen.width |
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| 159 | ); |
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| 160 | |
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| 161 | // is dead? |
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| 162 | if (System.player.isDead()) { |
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| 163 | drawString( |
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| 164 | System.screen.ctx, "source-over", |
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| 165 | "YOU LOST", |
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| 166 | System.screen.width / 2, |
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| 167 | System.screen.height / 2, |
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| 168 | "#FCA", "24pt monospace", "center" |
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| 169 | ); |
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| 170 | clearInterval(System.mainIntervalId); |
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| 171 | System.mainIntervalId = 0; |
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| 172 | } |
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| 173 | |
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| 174 | if (System.boss.isDead()) { |
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| 175 | drawString( |
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| 176 | System.screen.ctx, "source-over", |
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| 177 | "YOU WON", |
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| 178 | System.screen.width / 2, |
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| 179 | System.screen.height / 2, |
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| 180 | "#ACF", "24pt monospace", "center" |
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| 181 | ); |
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| 182 | clearInterval(System.mainIntervalId); |
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| 183 | System.mainIntervalId = 0; |
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| 184 | } |
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| 185 | } |
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| 186 | |
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| 187 | |
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| 188 | /* |
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| 189 | * Initializer |
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| 190 | */ |
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| 191 | function initGame(canvas, bossId, bossData, playerData) { |
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| 192 | System.screen.canvas = canvas; |
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| 193 | System.screen.ctx = System.screen.canvas.getContext("2d"); |
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| 194 | System.screen.width = System.screen.canvas.width; |
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| 195 | System.screen.height = System.screen.canvas.height; |
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| 196 | |
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| 197 | System.screen.ctx.globalCompositeOperation = "lighter"; |
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| 198 | |
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| 199 | if (System.mainIntervalId) { |
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| 200 | clearInterval(System.mainIntervalId); |
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| 201 | System.mainIntervalId = 0; |
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| 202 | } |
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| 203 | |
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| 204 | drawScreen( |
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| 205 | System.screen.ctx, |
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| 206 | "source-over", |
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| 207 | "rgba(0,0,0,1)", |
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| 208 | System.screen.width, |
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| 209 | System.screen.height |
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| 210 | ); |
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| 211 | |
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| 212 | System.player = new Trooper( |
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| 213 | playerData.name, |
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| 214 | new ActionList([new ManualAction(new ManualShot())]), |
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| 215 | playerData.size, |
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| 216 | "#33F", |
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| 217 | System.screen.width / 2, |
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| 218 | System.screen.height - System.screen.height / 7, |
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| 219 | System.screen.width, |
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| 220 | System.screen.height, |
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| 221 | playerData.hitpoint, |
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| 222 | playerData.speed, |
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| 223 | [new LinerBarrage(YExtendBullet, |
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| 224 | playerData.shotsize, |
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| 225 | "#3FF", |
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| 226 | playerData.shotinterval, |
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| 227 | playerData.shotspeed, |
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| 228 | playerData.shotlevel, |
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| 229 | -0.5), |
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| 230 | new LinerBarrage(YExtendBullet, |
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| 231 | playerData.shotsize, |
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| 232 | "#3FF", |
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| 233 | playerData.shotinterval, |
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| 234 | playerData.shotspeed, |
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| 235 | playerData.shotlevel, |
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| 236 | 0.5), |
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| 237 | new CircularBarrage(LinerBullet, |
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| 238 | playerData.shotsize, |
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| 239 | "#3FF", |
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| 240 | playerData.shotinterval, |
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| 241 | playerData.shotspeed, |
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| 242 | playerData.shotlevel + 2, |
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| 243 | -0.5)] |
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| 244 | ); |
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| 245 | |
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| 246 | var actList = EnemyActionLists[bossData.mtime % EnemyActionLists.length]; |
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| 247 | var shot = EnemyShots[bossData.hitpoint % EnemyShots.length]; |
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| 248 | var numAct = bossData.agility % (EnemyActions.length - 1) + 1; |
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| 249 | var numBlt = bossData.skills.length % (EnemyBullets.length - 1) + 1; |
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| 250 | var numBrrg = bossData.skills.length % (EnemyBarrages.length - 1) + 1; |
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| 251 | var acts = new Array(); |
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| 252 | var brrgs = new Array(); |
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| 253 | |
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| 254 | debugMsgSet("ActionsIdx:"); |
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| 255 | |
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| 256 | for (i = 0; i < numAct; i++) { |
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| 257 | var idx = (bossData.agility + i) % EnemyActions.length; |
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| 258 | acts.push(new EnemyActions[idx](new shot())); |
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| 259 | |
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| 260 | debugMsgAdd(String(idx) + ","); |
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| 261 | } |
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| 262 | |
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| 263 | debugMsgAdd("<br>"); |
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| 264 | |
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| 265 | for (i = 0; i < numBrrg; i++) { |
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| 266 | var idx = (bossData.skills.length + i) % EnemyBarrages.length; |
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| 267 | var brrgCls = EnemyBarrages[idx]; |
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| 268 | |
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| 269 | debugMsgAdd("BarragesIdx:" + String(idx) + " / BulletsIdx:"); |
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| 270 | |
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| 271 | for (k = 0; k < numBlt; k++) { |
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| 272 | var iidx = (bossData.skills.length + i + k) % EnemyBullets.length; |
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| 273 | var ss = Math.ceil(bossData.luck / 3); |
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| 274 | brrgs.push( |
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| 275 | new brrgCls( |
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| 276 | EnemyBullets[iidx], |
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| 277 | ss < 3 ? 3 : ss, |
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| 278 | "#FF3", |
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| 279 | 200 * 1 / Math.log(bossData.skillpoint + 0.1), |
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| 280 | Math.log(bossData.strength / 15 + 0.1), |
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| 281 | Math.ceil(bossData.concentration / 5) |
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| 282 | ) |
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| 283 | ); |
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| 284 | |
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| 285 | debugMsgAdd(String(iidx) + ","); |
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| 286 | } |
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| 287 | |
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| 288 | debugMsgAdd("<br>"); |
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| 289 | } |
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| 290 | |
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| 291 | System.boss = new Trooper( |
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| 292 | bossData.name, |
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| 293 | new actList(acts), |
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| 294 | Math.ceil(50 * (1 / bossData.defense)), |
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| 295 | "#F33", |
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| 296 | System.screen.width / 2, |
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| 297 | System.screen.height / 7, |
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| 298 | System.screen.width, |
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| 299 | System.screen.height, |
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| 300 | bossData.hitpoint, |
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| 301 | Math.log(bossData.agility + 0.1) * 3, |
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| 302 | brrgs |
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| 303 | ); |
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| 304 | |
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| 305 | System.backgroundObject = new Array(); |
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| 306 | System.mainIntervalId = setInterval(mainLoop, 20); |
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| 307 | } |
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