FaceBakery.java 文件源码

private void applyFacing(int[] p_178408_1_, EnumFacing p_178408_2_)
{
    int[] aint = new int[p_178408_1_.length];
    System.arraycopy(p_178408_1_, 0, aint, 0, p_178408_1_.length);
    float[] afloat = new float[EnumFacing.values().length];
    afloat[EnumFaceDirection.Constants.WEST_INDEX] = 999.0F;
    afloat[EnumFaceDirection.Constants.DOWN_INDEX] = 999.0F;
    afloat[EnumFaceDirection.Constants.NORTH_INDEX] = 999.0F;
    afloat[EnumFaceDirection.Constants.EAST_INDEX] = -999.0F;
    afloat[EnumFaceDirection.Constants.UP_INDEX] = -999.0F;
    afloat[EnumFaceDirection.Constants.SOUTH_INDEX] = -999.0F;
    int i = p_178408_1_.length / 4;

    for (int j = 0; j < 4; ++j)
    {
        int k = i * j;
        float f = Float.intBitsToFloat(aint[k]);
        float f1 = Float.intBitsToFloat(aint[k + 1]);
        float f2 = Float.intBitsToFloat(aint[k + 2]);

        if (f < afloat[EnumFaceDirection.Constants.WEST_INDEX])
        {
            afloat[EnumFaceDirection.Constants.WEST_INDEX] = f;
        }

        if (f1 < afloat[EnumFaceDirection.Constants.DOWN_INDEX])
        {
            afloat[EnumFaceDirection.Constants.DOWN_INDEX] = f1;
        }

        if (f2 < afloat[EnumFaceDirection.Constants.NORTH_INDEX])
        {
            afloat[EnumFaceDirection.Constants.NORTH_INDEX] = f2;
        }

        if (f > afloat[EnumFaceDirection.Constants.EAST_INDEX])
        {
            afloat[EnumFaceDirection.Constants.EAST_INDEX] = f;
        }

        if (f1 > afloat[EnumFaceDirection.Constants.UP_INDEX])
        {
            afloat[EnumFaceDirection.Constants.UP_INDEX] = f1;
        }

        if (f2 > afloat[EnumFaceDirection.Constants.SOUTH_INDEX])
        {
            afloat[EnumFaceDirection.Constants.SOUTH_INDEX] = f2;
        }
    }

    EnumFaceDirection enumfacedirection = EnumFaceDirection.getFacing(p_178408_2_);

    for (int j1 = 0; j1 < 4; ++j1)
    {
        int k1 = i * j1;
        EnumFaceDirection.VertexInformation enumfacedirection$vertexinformation = enumfacedirection.getVertexInformation(j1);
        float f8 = afloat[enumfacedirection$vertexinformation.xIndex];
        float f3 = afloat[enumfacedirection$vertexinformation.yIndex];
        float f4 = afloat[enumfacedirection$vertexinformation.zIndex];
        p_178408_1_[k1] = Float.floatToRawIntBits(f8);
        p_178408_1_[k1 + 1] = Float.floatToRawIntBits(f3);
        p_178408_1_[k1 + 2] = Float.floatToRawIntBits(f4);

        for (int l = 0; l < 4; ++l)
        {
            int i1 = i * l;
            float f5 = Float.intBitsToFloat(aint[i1]);
            float f6 = Float.intBitsToFloat(aint[i1 + 1]);
            float f7 = Float.intBitsToFloat(aint[i1 + 2]);

            if (MathHelper.epsilonEquals(f8, f5) && MathHelper.epsilonEquals(f3, f6) && MathHelper.epsilonEquals(f4, f7))
            {
                p_178408_1_[k1 + 4] = aint[i1 + 4];
                p_178408_1_[k1 + 4 + 1] = aint[i1 + 4 + 1];
            }
        }
    }
}