pyalot

from struct import unpack
from zlib import decompress

class BufferStream:
    def __init__(self, data):
        self.pos = 0
        self.data = data

    def get(self, amount):
        result = self.data[self.pos:self.pos+amount]

pyalot

#define sectorize(value) step(0.0, (value))*2.0-1.0
#define sum(value) dot(clamp((value), 1.0, 1.0), (value))
#define PI 3.141592653589793

vec2 normalToUvRectOct(vec3 normal){
    normal /= sum(abs(normal));
    if(normal.y > 0.0){
        return normal.xz*0.5+0.5;
    }
    else{