#!/usr/bin/env python3
"""Two-pass ice pipeline: scene -> texture(+depth in alpha) -> refraction -> screen.
Writes ice.html. Open ice.html#shot&t=2 for a single still frame."""
import json, os
here = os.path.dirname(os.path.abspath(__file__))
import sys
a = sys.argv[1:]
scene_f, ice_f, out_f = (a + ["4_ice_scene.frag", "5_ice_refract.frag", "ice.html"])[:3]
scene = open(os.path.join(here, scene_f)).read()
ice = open(os.path.join(here, ice_f)).read()
HTML = """ice
"""
out = (HTML.replace("__SCENE_B64__", __import__("base64").b64encode(scene.encode()).decode())
.replace("__ICE_B64__", __import__("base64").b64encode(ice.encode()).decode()))
open(os.path.join(here, out_f), "w").write(out)
print(out_f, "written")