Tessellator2.startDrawingQuads();
Tessellator2.addVertexWithUV((double)(f + f3), (double)(f2 + f4 * (f5 - f7)), 90.0, 1.0, (double)(f5 - f7));
Tessellator2.addVertexWithUV((double)(f + 0.0f), (double)(f2 + f4 * (f5 - f6)), 90.0, 0.0, (double)(f5 - f6))...