GeometryTessellator.java 文件源码

private static void drawCuboid(final BufferBuilder buffer, final BlockPos begin, final BlockPos end, final int sides, final int argb, final double delta) {
    if (buffer.getDrawMode() == -1 || sides == 0) {
        return;
    }

    final double x0 = begin.getX() - delta;
    final double y0 = begin.getY() - delta;
    final double z0 = begin.getZ() - delta;
    final double x1 = end.getX() + 1 + delta;
    final double y1 = end.getY() + 1 + delta;
    final double z1 = end.getZ() + 1 + delta;

    switch (buffer.getDrawMode()) {
    case GL11.GL_QUADS:
        drawQuads(buffer, x0, y0, z0, x1, y1, z1, sides, argb);
        break;

    case GL11.GL_LINES:
        drawLines(buffer, x0, y0, z0, x1, y1, z1, sides, argb);
        break;

    default:
        throw new IllegalStateException("Unsupported mode!");
    }
}