static Minecraft mc = Minecraft.getMinecraft();
static final ResourceLocation furnaceGuiTextures = new ResourceLocation("textures/gui/container/furnace.png");
int xSize = 176;
int ySize = 166;
@SubscribeEvent
public void render(RenderGameOverlayEvent.Post event) {
GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
mc.getTextureManager().bindTexture(furnaceGuiTextures);
int posX = (event.resolution.getScaledWidth() - xSize) / 2;
int posY = (event.resolution.getScaledHeight() - ySize) / 2;
mc.ingameGUI.drawTexturedModalRect(posX, posY, 0, 0, xSize, ySize);
}