Fix a crash caused by using the global tessellator instead of our own.

Author: AlexIIL

src/main/java/alexiil/mc/mod/load/baked/render/BakedImageRender.java

@@ -12,10 +12,19 @@
 import buildcraft.lib.expression.node.value.NodeVariableDouble;
 
 public class BakedImageRender extends BakedRenderPositioned {
+
+    /** We only ever render 4 x (3 pos, 2 uv) ints each time then reset for the next face.
+     * <p>
+     * So this 64 is overkill. */
+    private static final int TESS_INT_COUNT = 0x40;
+
+    private final Tessellator tess = new Tessellator(TESS_INT_COUNT);
+
     protected final ResourceLocation res;
     private final BakedArea pos, tex;
 
-    public BakedImageRender(NodeVariableDouble varWidth, NodeVariableDouble varHeight, String res, BakedArea pos, BakedArea tex) {
+    public BakedImageRender(NodeVariableDouble varWidth, NodeVariableDouble varHeight, String res, BakedArea pos,
+        BakedArea tex) {
         super(varWidth, varHeight);
         this.res = new ResourceLocation(res);
         this.pos = pos;
@@ -33,14 +42,13 @@ public void evaluateVariables(MinecraftDisplayerRenderer renderer) {
     @Override
     public void render(MinecraftDisplayerRenderer renderer) {
         bindTexture(renderer);
-        Tessellator tessellator = Tessellator.getInstance();
-        BufferBuilder vb = tessellator.getBuffer();
+        BufferBuilder vb = tess.getBuffer();
         vb.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX);
         vb.pos(pos._x, pos._y + pos._h, 0).tex(tex._x, tex._y + tex._h).endVertex();
         vb.pos(pos._x + pos._w, pos._y + pos._h, 0).tex(tex._x + tex._w, tex._y + tex._h).endVertex();
         vb.pos(pos._x + pos._w, pos._y, 0).tex(tex._x + tex._w, tex._y).endVertex();
         vb.pos(pos._x, pos._y, 0).tex(tex._x, tex._y).endVertex();
-        tessellator.draw();
+        tess.draw();
     }
 
     public void bindTexture(MinecraftDisplayerRenderer renderer) {