Method getFogColor

src/main/java/net/optifine/CustomColors.java:1209–1233

(Vec3 fogColor3d, IBlockAccess blockAccess, double x, double y, double z)

    }

    private static Vec3 getFogColor(Vec3 fogColor3d, IBlockAccess blockAccess, double x, double y, double z)
    {
        if (fogColors == null)
        {
            return fogColor3d;
        }
        else
        {
            int i = fogColors.getColorSmooth(blockAccess, x, y, z, 3);
            int j = i >> 16 & 255;
            int k = i >> 8 & 255;
            int l = i & 255;
            float f = (float)j / 255.0F;
            float f1 = (float)k / 255.0F;
            float f2 = (float)l / 255.0F;
            float f3 = (float)fogColor3d.xCoord / 0.753F;
            float f4 = (float)fogColor3d.yCoord / 0.8471F;
            float f5 = (float)fogColor3d.zCoord;
            f = f * f3;
            f1 = f1 * f4;
            f2 = f2 * f5;
            Vec3 vec3 = fogColorFader.getColor((double)f, (double)f1, (double)f2);
            return vec3;
        }
    }

    public static Vec3 getUnderwaterColor(IBlockAccess blockAccess, double x, double y, double z)
    {