mirror of
https://github.com/webbukkit/dynmap.git
synced 2024-12-11 03:24:01 +01:00
97 lines
2.6 KiB
JavaScript
97 lines
2.6 KiB
JavaScript
var cloneCanvas = function(self) {
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var c = document.createElement('canvas');
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c.width = self.width;
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c.height = self.height;
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var cxt = c.getContext('2d');
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cxt.drawImage(self,0,0);
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return c;
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};
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function blitImage(ctx, image, sx ,sy, sw, sh, dx, dy, dw, dh) {
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var x; var y;
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for (x=0;x<dw;x++) {
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for (y=0;y<dh;y++) {
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ctx.drawImage(image,Math.floor(sx+x*(sw/dw)),Math.floor(sy+y*(sw/dw)),1,1,dx+x,dy+y,1,1);
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}
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}
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}
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function createMinecraftHead(player,completed,failed) {
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var skinImage = new Image();
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skinImage.onload = function() {
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var headCanvas = document.createElement('canvas');
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headCanvas.width = 8;
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headCanvas.height = 8;
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var headContext = headCanvas.getContext('2d');
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blitImage(headContext, skinImage, 8,8,8,8, 0,0,8,8);
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blitImage(headContext, skinImage, 40,8,8,8, 0,0,8,8);
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completed(headCanvas);
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};
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skinImage.onerror = function() {
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if (skinImage.src == '//www.minecraft.net/img/char.png') {
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failed();
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} else {
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skinImage.src = '//www.minecraft.net/img/char.png';
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}
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};
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skinImage.src = '//s3.amazonaws.com/MinecraftSkins/' + player + '.png';
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}
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function resizeImage(img,size) {
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var canvas = document.createElement('canvas');
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canvas.width = size;
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canvas.height = size;
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var ctx = canvas.getContext('2d');
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blitImage(ctx, img, 0,0,img.width,img.height, 0,0,size,size);
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return canvas;
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}
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var playerHeads = {};
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function getMinecraftHead(player,size,completed) {
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var head = playerHeads[player];
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// Synchronous
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if (!completed) {
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return (!head || head.working) ? null : head;
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}
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// Asynchronous
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if (!head) {
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playerHeads[player] = { working: true, hooks: [{f:completed,s:size}] };
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//console.log('Creating head for ',player,'...');
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createMinecraftHead(player, function(head) {
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//console.log('Created head for ',player,': ', head);
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hooks = playerHeads[player].hooks;
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playerHeads[player] = head;
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var i;
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for(i=0;i<hooks.length;i++) {
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hooks[i].f(resizeImage(head,hooks[i].s));
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}
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}, function() {
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});
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} else if (head.working) {
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//console.log('Other process working on head of ',player,', will add myself to hooks...');
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head.hooks[head.hooks.length] = {f:completed,s:size};
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} else {
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completed(resizeImage(head,size));
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}
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}
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function getMinecraftTime(servertime) {
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servertime = parseInt(servertime);
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var day = servertime >= 0 && servertime < 13700;
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return {
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servertime: servertime,
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days: parseInt((servertime+8000) / 24000),
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// Assuming it is day at 8:00
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hours: (parseInt(servertime / 1000)+8) % 24,
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minutes: parseInt(((servertime / 1000) % 1) * 60),
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seconds: parseInt(((((servertime / 1000) % 1) * 60) % 1) * 60),
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day: day,
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night: !day
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};
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}
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