Add 3d render support

2026-05-06 19:10:38 +02:00 · 2014-12-04 22:27:07 -06:00
parent e4bdecfbb7
commit 2873157e97
7 changed files with 279 additions and 10 deletions
--- a/routes/renders.js
+++ b/routes/renders.js
@@ -0,0 +1,109 @@
+var router = require('express').Router();
+var networking = require('../modules/networking');
+var logging = require('../modules/logging');
+var helpers = require('../modules/helpers');
+var config = require('../modules/config');
+var skins = require('../modules/skins');
+var renders = require('../modules/renders');
+
+var human_status = {
+  0: "none",
+  1: "cached",
+  2: "downloaded",
+  3: "checked",
+  "-1": "error"
+};
+
+// valid types: head, body. helmet is query param
+
+// The Type logic should be two separate GET 
+// functions once response methods are extracted
+router.get('/:type/:uuid.:ext?', function(req, res) {
+  var raw_type = req.params.type;
+
+  // Check valid type for now
+  if (raw_type != "body" && raw_type != "head") {
+    res.status(404).send("404 Invalid Render Type");
+    return;
+  }
+
+  var body = raw_type == "head" ? false : true
+  var uuid = req.params.uuid;
+  var def = req.params.def;
+  var scale = parseInt(req.query.scale) || config.default_scale;
+  var helm = req.query.hasOwnProperty('helm');
+  var start = new Date();
+  var etag = null;
+
+  if (scale > config.maximum_scale) {
+    // Preventing from OOM crashes.
+    res.status(422).send("422 Invalid Size");
+  } else if (!helpers.uuid_valid(uuid)) {
+    res.status(422).send("422 Invalid UUID");
+    return;
+  }
+
+  // strip dashes
+  uuid = uuid.replace(/-/g, "");
+
+  try {
+    renders.draw_model(uuid, scale, helm, body, function(err, status, image, hash) {
+      logging.log(uuid + " - " + human_status[status]);
+      if (err) {
+        logging.error(err);
+      }
+      etag = hash && hash.substr(0, 32) || "none";
+      var matches = req.get("If-None-Match") == '"' + etag + '"';
+      if (image) {
+        var http_status = 200;
+        if (matches) {
+          http_status = 304;
+        } else if (err) {
+          http_status = 503;
+        }
+        logging.log("matches: " + matches);
+        logging.log("Etag: " + req.get("If-None-Match"));
+        logging.log("status: " + http_status);
+        sendimage(http_status, status, image);
+      } else {
+        //handle_default(404, status);
+      }
+    });
+  } catch(e) {
+    logging.error("Error!");
+    logging.error(e);
+    //handle_default(500, status);
+  }
+
+  function handle_default(http_status, img_status) {
+    if (def && def != "steve" && def != "alex") {
+      res.writeHead(301, {
+        'Cache-Control': 'max-age=' + config.browser_cache_time + ', public',
+        'Response-Time': new Date() - start,
+        'X-Storage-Type': human_status[img_status],
+        'Access-Control-Allow-Origin': '*',
+        'Location': def
+      });
+      res.end();
+    } else {
+      def = def || skins.default_skin(uuid);
+      skins.resize_img("public/images/" + def + ".png", size, function(err, image) {
+        sendimage(http_status, img_status, image);
+      });
+    }
+  }
+
+  function sendimage(http_status, img_status, image) {
+    res.writeHead(http_status, {
+      'Content-Type': 'image/png',
+      'Cache-Control': 'max-age=' + config.browser_cache_time + ', public',
+      'Response-Time': new Date() - start,
+      'X-Storage-Type': human_status[img_status],
+      'Access-Control-Allow-Origin': '*',
+      'Etag': '"' + etag + '"'
+    });
+    res.end(http_status == 304 ? null : image);
+  }
+});
+
+module.exports = router;