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Add 3d render support

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Jake
2014-12-04 22:27:07 -06:00
parent e4bdecfbb7
commit 2873157e97
7 changed files with 279 additions and 10 deletions
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8
modules/config.example.js
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@@ -8,9 +8,11 @@ var config = {
cleaning_limit: 10240, // minumum required available KB on disk to trigger cleaning
cleaning_amount: 50000, // amount of avatar (and their helm) files to clean
http_timeout: 1000, // ms until connection to mojang is dropped
faces_dir: "skins/faces/", // directory where faces are kept. should have trailing "/"
helms_dir: "skins/helms/", // directory where helms are kept. should have trailing "/"
debug_enabled: false // enables logging.debug
faces_dir: 'skins/faces/', // directory where faces are kept. should have trailing '/'
helms_dir: 'skins/helms/', // directory where helms are kept. should have trailing '/'
debug_enabled: false, // enables logging.debug
default_scale: 6, // the scale of rendered avatars
maximum_sale: 10 // the maximum scale of rendered avatars
};
module.exports = config;

21
modules/config.js Normal file
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@@ -0,0 +1,21 @@
var config = {
min_size: 1, // for avatars
max_size: 512, // for avatars; too big values might lead to slow response time or DoS
default_size: 160, // for avatars; size to be used when no size given
local_cache_time: 1200, // seconds until we will check if the image changed. should be > 60 to prevent mojang 429 response
browser_cache_time: 3600, // seconds until browser will request image again
cleaning_interval: 3, // seconds interval: deleting images if disk size at limit
cleaning_limit: 900000000000, // minumum required available KB on disk to trigger cleaning
cleaning_amount: 50000, // amount of avatar (and their helm) files to clean
http_timeout: 1000, // ms until connection to mojang is dropped
faces_dir: 'skins/faces/', // directory where faces are kept. should have trailing '/'
helms_dir: 'skins/helms/', // directory where helms are kept. should have trailing '/'
skins_dir: 'skins/skins/', // directory where skins are kept. should have trailing '/'
renders_dir: 'skins/renders/', // Directory where rendered skins are kept. should have trailing '/'
debug_enabled: true, // enables logging.debug
min_scale: 1, // for renders
max_scale: 100, // for renders; too big values might lead to slow response time or DoS
default_scale: 6, // for renders; scale to be used when no scale given
};
module.exports = config;

133
modules/renders.js Normal file
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@@ -0,0 +1,133 @@
// Skin locations are based on the work of Confuser
// https://github.com/confuser/serverless-mc-skin-viewer
// Permission to use & distribute https://github.com/confuser/serverless-mc-skin-viewer/blob/master/LICENSE
var helpers = require('./helpers');
var exp = {};
var Canvas = require('canvas');
var Image = Canvas.Image;
exp.draw_helmet = function(skin_canvas, model_ctx, scale) {
//Helmet - Front
model_ctx.setTransform(1,-0.5,0,1.2,0,0);
model_ctx.drawImage(skin_canvas, 40*scale, 8*scale, 8*scale, 8*scale, 10*scale, 13/1.2*scale, 8*scale, 8*scale);
//Helmet - Right
model_ctx.setTransform(1,0.5,0,1.2,0,0);
model_ctx.drawImage(skin_canvas, 32*scale, 8*scale, 8*scale, 8*scale, 2*scale, 3/1.2*scale, 8*scale, 8*scale);
//Helmet - Top
model_ctx.setTransform(-1,0.5,1,0.5,0,0);
model_ctx.scale(-1,1);
model_ctx.drawImage(skin_canvas, 40*scale, 0, 8*scale, 8*scale, -3*scale, 5*scale, 8*scale, 8*scale);
}
exp.draw_head = function(skin_canvas, model_ctx, scale) {
//Head - Front
model_ctx.setTransform(1,-0.5,0,1.2,0,0);
model_ctx.drawImage(skin_canvas, 8*scale, 8*scale, 8*scale, 8*scale, 10*scale, 13/1.2*scale, 8*scale, 8*scale);
//Head - Right
model_ctx.setTransform(1,0.5,0,1.2,0,0);
model_ctx.drawImage(skin_canvas, 0, 8*scale, 8*scale, 8*scale, 2*scale, 3/1.2*scale, 8*scale, 8*scale);
//Head - Top
model_ctx.setTransform(-1,0.5,1,0.5,0,0);
model_ctx.scale(-1,1);
model_ctx.drawImage(skin_canvas, 8*scale, 0, 8*scale, 8*scale, -3*scale, 5*scale, 8*scale, 8*scale);
}
exp.draw_body = function(skin_canvas, model_ctx, scale) {
//Left Leg
//Left Leg - Front
model_ctx.setTransform(1,-0.5,0,1.2,0,0);
model_ctx.scale(-1,1);
model_ctx.drawImage(skin_canvas, 4*scale, 20*scale, 4*scale, 12*scale, -16*scale, 34.4/1.2*scale, 4*scale, 12*scale);
//Right Leg
//Right Leg - Right
model_ctx.setTransform(1,0.5,0,1.2,0,0);
model_ctx.drawImage(skin_canvas, 0*scale, 20*scale, 4*scale, 12*scale, 4*scale, 26.4/1.2*scale, 4*scale, 12*scale);
//Right Leg - Front
model_ctx.setTransform(1,-0.5,0,1.2,0,0);
model_ctx.drawImage(skin_canvas, 4*scale, 20*scale, 4*scale, 12*scale, 8*scale, 34.4/1.2*scale, 4*scale, 12*scale);
//Arm Left
//Arm Left - Front
model_ctx.setTransform(1,-0.5,0,1.2,0,0);
model_ctx.scale(-1,1);
model_ctx.drawImage(skin_canvas, 44*scale, 20*scale, 4*scale, 12*scale, -20*scale, 20/1.2*scale, 4*scale, 12*scale);
//Arm Left - Top
model_ctx.setTransform(-1,0.5,1,0.5,0,0);
model_ctx.drawImage(skin_canvas, 44*scale, 16*scale, 4*scale, 4*scale, 0, 16*scale, 4*scale, 4*scale);
//Body
//Body - Front
model_ctx.setTransform(1,-0.5,0,1.2,0,0);
model_ctx.drawImage(skin_canvas, 20*scale, 20*scale, 8*scale, 12*scale, 8*scale, 20/1.2*scale, 8*scale, 12*scale);
//Arm Right
//Arm Right - Right
model_ctx.setTransform(1,0.5,0,1.2,0,0);
model_ctx.drawImage(skin_canvas, 40*scale, 20*scale, 4*scale, 12*scale, 0, 16/1.2*scale, 4*scale, 12*scale);
//Arm Right - Front
model_ctx.setTransform(1,-0.5,0,1.2,0,0);
model_ctx.drawImage(skin_canvas, 44*scale, 20*scale, 4*scale, 12*scale, 4*scale, 20/1.2*scale, 4*scale, 12*scale);
//Arm Right - Top
model_ctx.setTransform(-1,0.5,1,0.5,0,0);
model_ctx.scale(-1,1);
model_ctx.drawImage(skin_canvas, 44*scale, 16*scale, 4*scale, 4*scale, -16*scale, 16*scale, 4*scale, 4*scale);
}
exp.draw_model = function(uuid, scale, helm, body, callback) {
helpers.get_skin(uuid, function(err, hash, img) {
var image = new Image;
var width = 64 * scale;
var height = 64 * scale;
var model_canvas = new Canvas(20 * scale, (body ? 44.8 : 17.6) * scale);
var skin_canvas = new Canvas(width, height);
var model_ctx = model_canvas.getContext('2d');
var skin_ctx = skin_canvas.getContext('2d');
image.onerror = function(err) {
console.log("render error: " + err);
callback(err, 2, null, hash);
};
image.onload = function() {
skin_ctx.drawImage(image,0,0,64,64,0,0,64,64);
//Scale it
scale_image(skin_ctx.getImageData(0,0,64,64), skin_ctx, 0, 0, scale);
if (body) {
console.log("drawing body");
exp.draw_body(skin_canvas, model_ctx, scale);
}
console.log("drawing head");
exp.draw_head(skin_canvas, model_ctx, scale);
if (helm) {
console.log("drawing helmet");
exp.draw_helmet(skin_canvas, model_ctx, scale);
}
model_canvas.toBuffer(function(err, buf){
callback(err, 2, buf, hash);
});
};
image.src = img;
});
}
function scale_image(imageData, context, d_x, d_y, scale) {
var width = imageData.width;
var height = imageData.height;
context.clearRect(0,0,width,height); //Clear the spot where it originated from
for(y=0; y<height; y++) { //height original
for(x=0; x<width; x++) { //width original
//Gets original colour, then makes a scaled square of the same colour
var index = (x + y * width) * 4;
context.fillStyle = "rgba(" + imageData.data[index+0] + "," + imageData.data[index+1] + "," + imageData.data[index+2] + "," + imageData.data[index+3] + ")";
context.fillRect(d_x + x*scale, d_y + y*scale, scale, scale);
}
}
}
module.exports = exp;