loki5512344
91835402b3
- Core world model (World, Dimension, Tile, Terrain, Platform) - NBT reader/writer with full tag support - Anvil region (.mca) format reader with chunk parsing - Block palette compression and export - Biome database with Minecraft 1.21 biomes - CLI commands: new, import, export, info, render - GUI application with egui (viewport, tools, undo/redo) - Noise-based heightmap generation and editing operations License: GPL-3.0-or-later
122 lines
4.6 KiB
Python
Executable file
122 lines
4.6 KiB
Python
Executable file
"""Scrape Minecraft 1.21 biome data from mcasset.cloud GitHub repo."""
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import json
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import urllib.request
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import os
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BIOME_NAMES = [
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"badlands", "bamboo_jungle", "basalt_deltas", "beach", "birch_forest",
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"cherry_grove", "cold_ocean", "crimson_forest", "dark_forest",
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"deep_cold_ocean", "deep_dark", "deep_frozen_ocean", "deep_lukewarm_ocean",
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"deep_ocean", "desert", "dripstone_caves", "end_barrens", "end_highlands",
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"end_midlands", "eroded_badlands", "flower_forest", "forest",
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"frozen_ocean", "frozen_peaks", "frozen_river", "grove", "ice_spikes",
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"jagged_peaks", "jungle", "lukewarm_ocean", "lush_caves",
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"mangrove_swamp", "meadow", "mushroom_fields", "nether_wastes", "ocean",
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"old_growth_birch_forest", "old_growth_pine_taiga",
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"old_growth_spruce_taiga", "pale_garden", "plains", "river", "savanna",
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"savanna_plateau", "small_end_islands", "snowy_beach", "snowy_plains",
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"snowy_slopes", "snowy_taiga", "soul_sand_valley", "sparse_jungle",
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"stony_peaks", "stony_shore", "sunflower_plains", "swamp", "taiga",
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"the_end", "the_void", "warm_ocean", "warped_forest",
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"windswept_forest", "windswept_gravelly_hills", "windswept_hills",
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"windswept_savanna", "wooded_badlands",
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]
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BASE_URL = "https://raw.githubusercontent.com/InventivetalentDev/minecraft-assets/1.21.11/data/minecraft/worldgen/biome"
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def hex_to_int(hex_str):
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"""Convert '#3f76e4' to integer (0x3f76e4 = 4159204)."""
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return int(hex_str.lstrip("#"), 16)
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def determine_precipitation(temperature, has_precip, name):
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"""Determine precipitation type: 'rain', 'snow', or 'none'."""
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if not has_precip:
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return "none"
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if temperature <= 0.15:
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return "snow"
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return "rain"
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def parse_biome(name, data):
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"""Parse a Minecraft biome JSON into a flat entry."""
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effects = data.get("effects", {})
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attributes = data.get("attributes", {})
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temperature = data.get("temperature", 0.5)
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downfall = data.get("downfall", 0.5)
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has_precip = data.get("has_precipitation", True)
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# Water color from effects
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water_color = hex_to_int(effects.get("water_color", "#3f76e4"))
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# Sky color from attributes
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sky_attr = attributes.get("minecraft:visual/sky_color", "#78a7ff")
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sky_color = hex_to_int(sky_attr)
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# Fog color from attributes (Nether biomes use this)
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fog_attr = attributes.get("minecraft:visual/fog_color")
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if fog_attr:
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fog_color = hex_to_int(fog_attr)
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else:
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# Default fog color same as sky if not specified
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fog_color = hex_to_int("#c0d8ff")
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# Grass and foliage colours (optional, only when biome overrides default)
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grass_color = effects.get("grass_color")
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if grass_color:
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grass_color = hex_to_int(grass_color)
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foliage_color = effects.get("foliage_color")
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if foliage_color:
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foliage_color = hex_to_int(foliage_color)
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grass_modifier = effects.get("grass_color_modifier")
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return {
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"name": name,
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"temperature": temperature,
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"downfall": downfall,
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"precipitation": determine_precipitation(temperature, has_precip, name),
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"water_color": water_color,
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"sky_color": sky_color,
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"fog_color": fog_color,
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"grass_color": grass_color,
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"foliage_color": foliage_color,
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"grass_color_modifier": grass_modifier,
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}
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def main():
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output_dir = os.path.join(os.path.dirname(__file__), "..", "crates", "biome-db", "data")
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os.makedirs(output_dir, exist_ok=True)
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biomes = []
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for name in BIOME_NAMES:
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url = f"{BASE_URL}/{name}.json"
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try:
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req = urllib.request.Request(url, headers={"User-Agent": "Mozilla/5.0"})
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resp = urllib.request.urlopen(req, timeout=15)
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data = json.loads(resp.read().decode("utf-8"))
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entry = parse_biome(name, data)
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biomes.append(entry)
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print(f" OK {name}: temp={entry['temperature']}, down={entry['downfall']}, precip={entry['precipitation']}")
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except Exception as e:
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print(f" FAIL {name}: {e}")
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print(f"\nTotal biomes scraped: {len(biomes)}")
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output = os.path.join(output_dir, "biomes.json")
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with open(output, "w", encoding="utf-8") as f:
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json.dump(biomes, f, indent=2)
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print(f"Written to {output}")
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# Verify with biome count
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print(f"\nBiomes with custom grass_color: {sum(1 for b in biomes if b['grass_color'] is not None)}")
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print(f"Biomes with custom foliage_color: {sum(1 for b in biomes if b['foliage_color'] is not None)}")
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print(f"Precipitation types: {set(b['precipitation'] for b in biomes)}")
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if __name__ == "__main__":
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main()
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