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Better browser compatiblity

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This commit is contained in:
FrozenCow 2011-01-01 19:36:28 +01:00
parent 9aaa4c28df
commit 3c7f164823
2 changed files with 58 additions and 55 deletions
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22
web/minecraft.js
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@ -7,14 +7,14 @@ var cloneCanvas = function(self) {
return c;
};
CanvasRenderingContext2D.prototype.blitImage = function(image, sx ,sy, sw, sh, dx, dy, dw, dh) {
function blitImage(ctx, image, sx ,sy, sw, sh, dx, dy, dw, dh) {
var x; var y;
for (x=0;x<dw;x++) {
for (y=0;y<dh;y++) {
this.drawImage(image,Math.floor(sx+x*(sw/dw)),Math.floor(sy+y*(sw/dw)),1,1,dx+x,dy+y,1,1);
ctx.drawImage(image,Math.floor(sx+x*(sw/dw)),Math.floor(sy+y*(sw/dw)),1,1,dx+x,dy+y,1,1);
}
}
};
}
function createMinecraftHead(player,completed) {
var skinImage = new Image();
@ -23,8 +23,8 @@ function createMinecraftHead(player,completed) {
headCanvas.width = 8;
headCanvas.height = 8;
var headContext = headCanvas.getContext('2d');
headContext.blitImage(skinImage, 8,8,8,8, 0,0,8,8);
headContext.blitImage(skinImage, 40,8,8,8, 0,0,8,8);
blitImage(headContext, skinImage, 8,8,8,8, 0,0,8,8);
blitImage(headContext, skinImage, 40,8,8,8, 0,0,8,8);
completed(headCanvas);
};
skinImage.src = 'http://www.minecraft.net/skin/' + player + '.png';
@ -35,14 +35,14 @@ function resizeImage(img,size) {
canvas.width = size;
canvas.height = size;
var ctx = canvas.getContext('2d');
ctx.blitImage(img, 0,0,img.width,img.height, 0,0,size,size);
blitImage(ctx, img, 0,0,img.width,img.height, 0,0,size,size);
return canvas;
}
var players = {};
var playerHeads = {};
function getMinecraftHead(player,size,completed) {
var head = players[player];
var head = playerHeads[player];
// Synchronous
if (!completed) {
return (!head || head.working) ? null : head;
@ -50,12 +50,12 @@ function getMinecraftHead(player,size,completed) {
// Asynchronous
if (!head) {
players[player] = { working: true, hooks: [{f:completed,s:size}] };
playerHeads[player] = { working: true, hooks: [{f:completed,s:size}] };
console.log('Creating head for ',player,'...');
createMinecraftHead(player, function(head) {
console.log('Created head for ',player,': ', head);
hooks = players[player].hooks;
players[player] = head;
hooks = playerHeads[player].hooks;
playerHeads[player] = head;
var i;
for(i=0;i<hooks.length;i++) {
hooks[i].f(resizeImage(head,hooks[i].s));