public void renderSkybox()
{
this.mc.getTextureManager().bindTexture(new ResourceLocation("textures/bg.png"));
Tessellator tessellator = Tessellator.instance;
tessellator.startDrawingQuads();
tessellator.setColorOpaque_I(16777215);
tessellator.addVertexWithUV(0, 0 + height, 0, 0.0, 1.0);
tessellator.addVertexWithUV(0 + width, 0 + height, 0, 1.0, 1.0);
tessellator.addVertexWithUV(0 + width, 0 , 0, 1.0, 0.0);
tessellator.addVertexWithUV(0 , 0 , 0, 0.0, 0.0);
tessellator.draw();
}