code: public void setup(float partialTick)
  	{
  		this.partialTick = partialTick;
  
  		currentTexture = null;
  		bindDefaultTexture();
  
  		GlStateManager.pushMatrix();
  		if (ignoreScale)
  		{
  			GlStateManager.scale(1F / scaleFactor, 1F / scaleFactor, 1);
  		}
  
  		setupGl();
  		startDrawing();
  	}
docs: Sets up the rendering and start drawing.
  
  @param partialTick the partial ticks