RenderBus.java

public static class RenderBus extends Render<EntityBus>
{
    private static IBakedModel bakedModel = null;
    private static final ResourceLocation loc = new ResourceLocation(TestBus.MODID.toLowerCase() + ":item/olympian1.obj"/* ":item/group_test.obj"*/);

    public RenderBus(RenderManager manager)
    {
        super(manager);
    }

    public static void init()
    {
        IResourceManager manager = Minecraft.getMinecraft().getResourceManager();
        if (manager instanceof IReloadableResourceManager)
        {
            ((IReloadableResourceManager) manager).registerReloadListener(new IResourceManagerReloadListener()
            {
                @Override
                public void onResourceManagerReload(IResourceManager resourceManager)
                {
                    bakedModel = null;
                }
            });
        }
    }
    @Override
    public void doRender(EntityBus bus, double x, double y, double z, float yaw, float partialTicks)
    {
        if (bakedModel == null)
        {
            FMLLog.info("Attempting to load model '%s'", loc.toString());
            try
            {
                IModel model = ModelLoaderRegistry.getModel(loc);
                if (model != null && model instanceof OBJModel)
                {
                    FMLLog.info("Successfully obtained model '%s' from registry", loc.toString());
                    bakedModel = ((OBJModel) model).bake(model.getDefaultState(), Attributes.DEFAULT_BAKED_FORMAT, ModelLoader.defaultTextureGetter());
                }
            }
            catch (Exception e)
            {
                e.printStackTrace();
            }
        }
        else if (bakedModel != null)
        {
            bindTexture(TextureMap.locationBlocksTexture);
            Tessellator tessellator = Tessellator.getInstance();
            VertexBuffer buffer = tessellator.getBuffer();
            WorldRenderer buffer = tessellator.getWorldRenderer();
            GlStateManager.disableLighting();
            GlStateManager.disableRescaleNormal();
            GlStateManager.enableDepth();
            GlStateManager.depthMask(true);
            GlStateManager.enableAlpha();
            GlStateManager.enableBlend();
            GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
            GlStateManager.pushMatrix();
            GlStateManager.translate(x, y, z);
            GlStateManager.rotate(yaw, 0, 1, 0);
            GlStateManager.pushMatrix();
            GlStateManager.translate(-0.625f, 0, 1);

            buffer.begin(GL11.GL_QUADS, Attributes.DEFAULT_BAKED_FORMAT);
//          for (BakedQuad quad : bakedModel.getQuads(null, null, 0))
            for (BakedQuad quad : bakedModel.getGeneralQuads())
            {
                LightUtil.renderQuadColor(buffer, quad, 0xFFFFFFFF);
            }
            tessellator.draw();

            GlStateManager.popMatrix();
            GlStateManager.popMatrix();
        }
    }

    @Override
    public ResourceLocation getEntityTexture(EntityBus bus)
    {
        return TextureMap.locationBlocksTexture;
    }
}