tessellator.startDrawingQuads();
tessellator.addVertexWithUV(0, 16, 0, iconMinX, iconMaxY);
tessellator.addVertexWithUV(16, 16, 0, iconMaxX, iconMaxY);
tessellator.addVertexWithUV(16, 0, 0, iconMaxX, iconMinY);
tessellator.addVertexWithUV(0, 0, 0, iconMinX, iconMinY);
tessellator.draw();
if (hasFluid) {
tessellator.startDrawingQuads();
tessellator.addVertexWithUV(0, 16, 0.001, maskMinX, maskMaxY);
tessellator.addVertexWithUV(16, 16, 0.001, maskMaxX, maskMaxY);