GL11.glDisable(GL11.GL_TEXTURE_2D);
GL11.glEnable(GL11.GL_BLEND);
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glShadeModel(GL11.GL_SMOOTH);
Tessellator var15 = Tessellator.instance;
var15.startDrawingQuads();
var15.setColorRGBA_F(var8, var9, var10, var7);
var15.addVertex(par3, par2, z);
var15.addVertex(par1, par2, z);
var15.setColorRGBA_F(var12, var13, var14, var11);
var15.addVertex(par1, par4, z);
var15.addVertex(par3, par4, z);
var15.draw();
GL11.glShadeModel(GL11.GL_FLAT);
GL11.glDisable(GL11.GL_BLEND);
GL11.glEnable(GL11.GL_ALPHA_TEST);
GL11.glEnable(GL11.GL_TEXTURE_2D);
}