From 82727cb24d0cc2824bb7a3cd89afd903a50be5fa Mon Sep 17 00:00:00 2001
From: jomo <github@jomo.tv>
Date: Sun, 22 Nov 2015 03:28:09 +0100
Subject: [PATCH] add back head support

---
 lib/renders.js | 93 ++++++++++++++++++++++++++------------------------
 1 file changed, 49 insertions(+), 44 deletions(-)

diff --git a/lib/renders.js b/lib/renders.js
index ca6c8f2..8e6df1c 100644
--- a/lib/renders.js
+++ b/lib/renders.js
@@ -34,10 +34,10 @@ function flip(src) {
 var skew_a = 26 / 45;    // 0.57777777
 var skew_b = skew_a * 2; // 1.15555555
 
-exp.draw_model = function(rid, img, scale, helm, type, callback) {
+exp.draw_model = function(rid, img, scale, helm, is_body, callback) {
   var canvas = new Canvas();
   canvas.width = scale * 20;
-  canvas.height = scale * 45.1;
+  canvas.height = scale * (is_body ? 45.1 : 18.5);
 
   var ctx = canvas.getContext("2d");
 
@@ -60,20 +60,6 @@ exp.draw_model = function(rid, img, scale, helm, type, callback) {
     var right_shoulder = getPart(skin, 44, 16, 4, 4, scale);
     var left_shoulder = flip(right_shoulder); // TODO
 
-
-    // pre-render front onto separate canvas
-    var front = new Canvas();
-    front.width = scale * 16;
-    front.height = scale * 24;
-    var frontc = front.getContext("2d");
-    frontc.patternQuality = "fast";
-
-    frontc.drawImage(right_arm, (4 - arm_width) * scale, 0 * scale, arm_width * scale, 12 * scale);
-    frontc.drawImage(left_arm, 12 * scale, 0 * scale, arm_width * scale, 12 * scale);
-    frontc.drawImage(body, 4 * scale, 0 * scale, 8 * scale, 12 * scale);
-    frontc.drawImage(right_leg, 4 * scale, 12 * scale, 4 * scale, 12 * scale);
-    frontc.drawImage(left_leg, 8 * scale, 12 * scale, 4 * scale, 12 * scale);
-
     var x = 0;
     var y = 0;
     var z = 0;
@@ -81,45 +67,64 @@ exp.draw_model = function(rid, img, scale, helm, type, callback) {
     var z_offset = scale * 3;
     var x_offset = scale * 2;
 
-    // top
+    if (is_body) {
+      // pre-render front onto separate canvas
+      var front = new Canvas();
+      front.width = scale * 16;
+      front.height = scale * 24;
+      var frontc = front.getContext("2d");
+      frontc.patternQuality = "fast";
+
+      frontc.drawImage(right_arm, (4 - arm_width) * scale, 0 * scale, arm_width * scale, 12 * scale);
+      frontc.drawImage(left_arm, 12 * scale, 0 * scale, arm_width * scale, 12 * scale);
+      frontc.drawImage(body, 4 * scale, 0 * scale, 8 * scale, 12 * scale);
+      frontc.drawImage(right_leg, 4 * scale, 12 * scale, 4 * scale, 12 * scale);
+      frontc.drawImage(left_leg, 8 * scale, 12 * scale, 4 * scale, 12 * scale);
+
+      // top
+      x = x_offset + scale * 2;
+      y = scale * -4;
+      z = z_offset + scale * 8;
+      ctx.setTransform(1, -skew_a, 1, skew_a, 0, 0);
+      ctx.drawImage(right_shoulder, y - z - 0.5, x + z, right_shoulder.width + 1, right_shoulder.height + 1);
+
+      y = scale * 8;
+      ctx.drawImage(left_shoulder, y - z, x + z, 4 * scale, 4 * scale + 1);
+
+      // right side
+      ctx.setTransform(1, skew_a, 0, skew_b, 0, 0);
+      x = x_offset + scale * 2;
+      y = 0;
+      z = z_offset + scale * 20;
+      ctx.drawImage(right_leg_side, x + y, z - y, right_leg_side.width, right_leg_side.height);
+
+      x = x_offset + scale * 2;
+      y = scale * -4;
+      z = z_offset + scale * 8;
+      ctx.drawImage(right_arm_side, x + y, z - y - 0.5, right_arm_side.width, right_arm_side.height + 1);
+
+      // front
+      z = z_offset + scale * 12;
+      y = 0;
+      ctx.setTransform(1, -skew_a, 0, skew_b, 0, skew_a);
+      ctx.drawImage(front, y + x, x + z - 0.5, front.width, front.height);
+    }
+
+    // head top
     x = x_offset;
     y = -0.5;
     z = z_offset;
     ctx.setTransform(1, -skew_a, 1, skew_a, 0, 0);
     ctx.drawImage(head_top, y - z, x + z, head_top.width, head_top.height + 1);
 
-    x = x_offset + scale * 2;
-    y = scale * -4;
-    z = z_offset + scale * 8;
-    ctx.drawImage(right_shoulder, y - z - 0.5, x + z, right_shoulder.width + 1, right_shoulder.height + 1);
-
-    y = scale * 8;
-    ctx.drawImage(left_shoulder, y - z, x + z, 4 * scale, 4 * scale + 1);
-
-    // right side
-    ctx.setTransform(1, skew_a, 0, skew_b, 0, 0);
-    x = x_offset + scale * 2;
-    y = 0;
-    z = z_offset + scale * 20;
-    ctx.drawImage(right_leg_side, x + y, z - y, right_leg_side.width, right_leg_side.height);
-
-    x = x_offset + scale * 2;
-    y = scale * -4;
-    z = z_offset + scale * 8;
-    ctx.drawImage(right_arm_side, x + y, z - y - 0.5, right_arm_side.width, right_arm_side.height + 1);
-
-    // front
-    z = z_offset + scale * 12;
-    y = 0;
-    ctx.setTransform(1, -skew_a, 0, skew_b, 0, skew_a);
-    ctx.drawImage(front, y + x, x + z - 0.5, front.width, front.height);
-
+    // head front
     x = x_offset + 8 * scale;
     y = 0;
     z = z_offset - 0.5;
+    ctx.setTransform(1, -skew_a, 0, skew_b, 0, skew_a);
     ctx.drawImage(face, y + x, x + z, face.width, face.height);
 
-    // right head
+    // head right
     x = x_offset;
     y = 0;
     z = z_offset;