improved auto mapper
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9ca2ea7e1d
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GPG Key ID:
8D83DE470F8544E7
@ -1,32 +1,57 @@
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import json
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import os
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import re
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import tempfile
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import platformdirs
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from datetime import datetime
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from ftplib import FTP
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import numpy as np
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import pygame
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from scipy.signal import convolve2d
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from src.utils.minecraft.chunk import Chunk
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from src.utils.minecraft.chunk import Chunk, MalformedChunk, OldChunk
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from src.utils.minecraft.region import Region
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from src.utils.paths import CONFIG_DIR, CACHE_DIR, get_project_path
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CHUNK_SIZE = 16
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CHUNKS_IN_REGION = 32
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REGION_SIZE = CHUNK_SIZE * CHUNKS_IN_REGION
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GRADIENT_MAT = np.array([
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[0, 0, 0],
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[0, 1, 0.5],
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[0, -0.5, -1]
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])
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GRADIENT_RANGE = 2
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GAUSSIAN_MAT = np.array([
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[1, 4, 7, 4, 1],
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[4, 16, 26, 16, 4],
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[7, 26, 41, 26, 7],
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[4, 16, 26, 16, 4],
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[1, 4, 7, 4, 1],
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])
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GAUSSIAN_FACT = GAUSSIAN_MAT.sum()
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class AutoMapper:
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APP_NAME: str = "lycacraft-paths"
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APP_AUTHOR: str = "Lycacraft"
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CONFIG_DIR = platformdirs.user_config_dir(appname=APP_NAME, appauthor=APP_AUTHOR)
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CONFIG_PATH = os.path.join(CONFIG_DIR, "mapper.json")
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CACHE_DIR = platformdirs.user_cache_dir(appname=APP_NAME, appauthor=APP_AUTHOR)
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CACHE_PATH = os.path.join(CACHE_DIR, "regions.json")
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CACHE_PATH = os.path.join(CACHE_DIR, "regions.txt")
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COLORS_PATH = os.path.join(CACHE_DIR, "colors.json")
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MAPS_DIR = os.path.join(CACHE_DIR, "maps")
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MAP_SIZE = 1024
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def __init__(self):
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self.config: FTPConfig = FTPConfig(self.CONFIG_PATH)
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self.ftp: FTP = FTP(self.config.HOST)
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self.regions: list[tuple[int, int]] = []
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self.temp_dir: tempfile.TemporaryDirectory[str] = tempfile.TemporaryDirectory(prefix="regions")
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self.colors: dict[str, tuple[float, float, float, float]] = {}
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self.temp_dir: tempfile.TemporaryDirectory[str] = tempfile.TemporaryDirectory()
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self.colors: dict[str, tuple[float, float, float]] = {}
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self.cache: dict[tuple[int, int], int] = {}
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self.colormaps: dict[str, dict[str, tuple[float, float, float]]] = {}
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self.available_regions: list[tuple[int, int]] = []
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self.load_colors()
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self.load_cache()
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self.load_colormaps()
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self.no_color: set[str] = set()
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def __enter__(self):
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self.ftp.login(self.config.USERNAME, self.config.PASSWORD)
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@ -40,12 +65,64 @@ class AutoMapper:
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with open(self.COLORS_PATH, "r") as f:
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self.colors = json.load(f)
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def list_available_regions(self) -> list[tuple[int, int]]:
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files = self.ftp.nlst()
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regions = []
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for f in files:
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_, x, z, _ = f.split(".")
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regions.append((int(x), int(z)))
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def load_cache(self) -> None:
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if os.path.exists(self.CACHE_PATH):
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with open(self.CACHE_PATH, "r") as f:
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lines = filter(lambda l: len(l.strip()) != 0, f.read().splitlines())
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self.cache = {}
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for line in lines:
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rx, rz, ts = map(int, line.split(" "))
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self.cache[(rx, rz)] = ts
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def load_colormaps(self) -> None:
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biome_ids = {}
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with open(get_project_path("res", "biome_ids.txt")) as f:
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lines = f.read().splitlines()
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for line in lines:
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if len(line.strip()) == 0:
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continue
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biome_name, biome_id = line.split(" ")
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biome_ids[f"minecraft:{biome_name}"] = int(biome_id)
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self.colormaps = {}
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maps_dir = get_project_path("res", "colormaps")
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for filename in os.listdir(maps_dir):
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if not filename.endswith(".png"):
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continue
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img = pygame.image.load(os.path.join(maps_dir, filename))
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block = filename.split(".")[0]
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colormap = {}
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for biome_name, biome_id in biome_ids.items():
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colormap[biome_name] = img.get_at((biome_id, 0))[:3]
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self.colormaps[f"minecraft:{block}"] = colormap
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self.colormaps["minecraft:grass"] = self.colormaps["minecraft:grass_block"]
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self.colormaps["minecraft:tall_grass"] = self.colormaps["minecraft:grass_block"]
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self.colormaps["minecraft:vine"] = self.colormaps["minecraft:oak_leaves"]
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self.colormaps["minecraft:large_fern"] = self.colormaps["minecraft:grass_block"]
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self.colormaps["minecraft:fern"] = self.colormaps["minecraft:grass_block"]
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self.colormaps["minecraft:melon_stem"] = self.colormaps["minecraft:foliage"]
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self.colormaps["minecraft:attached_melon_stem"] = self.colormaps["minecraft:foliage"]
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self.colormaps["minecraft:mangrove_leaves"] = self.colormaps["minecraft:foliage"]
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self.colormaps["minecraft:bubble_column"] = self.colormaps["minecraft:water"]
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def save_cache(self) -> None:
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with open(self.CACHE_PATH, "w") as f:
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for (rx, rz), ts in self.cache.items():
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f.write(f"{rx} {rz} {ts}\n")
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def get_available_regions(self) -> dict[tuple[int, int], int]:
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files = self.ftp.mlsd(facts=["modify"])
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regions = {}
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self.available_regions = []
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for filename, facts in files:
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m = re.match(r"r\.(-?\d+)\.(-?\d+)\.mca", filename)
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if m:
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rx = int(m.group(1))
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rz = int(m.group(2))
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t = datetime.strptime(facts["modify"], "%Y%m%d%H%M%S")
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regions[(rx, rz)] = int(t.timestamp())
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self.available_regions.append((rx, rz))
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return regions
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def fetch_region(self, rx: int, rz: int) -> str:
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@ -56,40 +133,114 @@ class AutoMapper:
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return outpath
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def map_region(self, rx: int, rz: int) -> pygame.Surface:
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print(f"[Fetching region ({rx},{rz})]")
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def map_region(self, rx: int, rz: int) -> tuple[pygame.Surface, np.array]:
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print(f" [Fetching region ({rx},{rz})]")
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path = self.fetch_region(rx, rz)
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region = Region(path)
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surf = pygame.Surface([512, 512], pygame.SRCALPHA)
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print(" [Rendering]")
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surf = pygame.Surface([REGION_SIZE, REGION_SIZE], pygame.SRCALPHA)
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surf.fill((0, 0, 0, 0))
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heightmap = np.zeros((REGION_SIZE, REGION_SIZE), dtype="uint16")
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for cz in range(32):
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for cx in range(32):
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chunk = region.get_chunk(rx * 32 + cx, rz * 32 + cz)
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if chunk is not None:
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self.render_chunk(chunk, surf, cx * 16, cz * 16)
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for cz in range(CHUNKS_IN_REGION):
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for cx in range(CHUNKS_IN_REGION):
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ox, oy = cx * CHUNK_SIZE, cz * CHUNK_SIZE
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chunk = region.get_chunk(rx * CHUNKS_IN_REGION + cx, rz * CHUNKS_IN_REGION + cz)
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if isinstance(chunk, Chunk):
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hm = self.render_chunk(chunk, surf, ox, oy)
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heightmap[oy:oy+CHUNK_SIZE, ox:ox+CHUNK_SIZE] = hm
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elif isinstance(chunk, MalformedChunk):
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pygame.draw.rect(surf, (92, 47, 32, 200), [ox, oy, CHUNK_SIZE, CHUNK_SIZE])
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elif isinstance(chunk, OldChunk):
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pygame.draw.rect(surf, (32, 61, 92, 200), [ox, oy, CHUNK_SIZE, CHUNK_SIZE])
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return surf
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print()
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os.remove(path)
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return surf, heightmap
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def map_region_group(self, x: int, z: int) -> pygame.Surface:
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surf = pygame.Surface([1024, 1024], pygame.SRCALPHA)
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for dz in range(2):
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for dx in range(2):
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region = self.map_region(x * 2 + dx, z * 2 + dz)
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surf.blit(region, [dx * 512, dz * 512])
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surf = pygame.Surface([self.MAP_SIZE, self.MAP_SIZE], pygame.SRCALPHA)
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surf.fill((0, 0, 0, 0))
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n_regions = self.MAP_SIZE // REGION_SIZE
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heightmap = np.zeros((self.MAP_SIZE, self.MAP_SIZE), dtype="uint16")
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for dz in range(n_regions):
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for dx in range(n_regions):
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rx, rz = x * n_regions + dx, z * n_regions + dz
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if (rx, rz) in self.available_regions:
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region, hm = self.map_region(rx, rz)
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ox, oy = dx * REGION_SIZE, dz * REGION_SIZE
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surf.blit(region, [ox, oy])
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heightmap[oy:oy+REGION_SIZE, ox:ox+REGION_SIZE] = hm
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self.cache[(rx, rz)] = int(datetime.utcnow().timestamp())
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gradient = convolve2d(heightmap, GRADIENT_MAT, boundary="symm")[1:self.MAP_SIZE+1, 1:self.MAP_SIZE+1]
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gradient = gradient.clip(-GRADIENT_RANGE, GRADIENT_RANGE)
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gradient = 1 + gradient / 2 / GRADIENT_RANGE
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gradient = np.array([gradient, gradient, gradient, np.ones(gradient.shape)])
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gradient = np.swapaxes(gradient, 0, 2)
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surf_array = pygame.surfarray.array3d(surf)
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alpha_array = pygame.surfarray.array_alpha(surf).reshape((*surf_array.shape[0:2], 1))
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surf_array = np.concatenate((surf_array, alpha_array), 2)
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res = surf_array * gradient
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res = res.clip(0, 255)
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buf = res.transpose((1, 0, 2)).astype("uint8").tobytes(order="C")
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surf = pygame.image.frombuffer(buf, surf.get_size(), "RGBA")
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return surf
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def render_chunk(self, chunk: Chunk, surf: pygame.Surface, ox: int, oy: int):
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#blocks, hmap_surf = chunk.get_top_blocks()
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blocks = chunk.get_top_blocks()
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# surf.blit(hmap_surf, [ox, oy])
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# return
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for z in range(16):
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for x in range(16):
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color = self.get_color(blocks[z][x])
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surf.set_at((ox + x, oy + z), color)
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def render_chunk(self, chunk: Chunk, surf: pygame.Surface, ox: int, oy: int) -> np.array:
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blocks, heightmap, biomes, is_empty = chunk.get_top_blocks()
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if is_empty:
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pygame.draw.rect(surf, (0, 0, 0, 0), [ox, oy, CHUNK_SIZE, CHUNK_SIZE])
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def get_color(self, block: str) -> tuple[float, float, float]:
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return self.colors.get(block, (0, 0, 0))
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else:
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for z in range(CHUNK_SIZE):
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for x in range(CHUNK_SIZE):
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color = self.get_color(blocks[z][x], biomes[z][x])
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surf.set_at((ox + x, oy + z), color)
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return heightmap
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def get_color(self, block: str, biome: str) -> tuple[float, float, float, float]:
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if block in self.colormaps:
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r, g, b = self.colormaps[block][biome]
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r2, g2, b2 = self.colors.get(block, (0, 0, 0, 0))
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return min(255.0, r*r2/255), min(255.0, g*g2/255), min(255.0, b*b2/255), 255
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if block not in self.colors:
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if block not in self.no_color:
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print(f" no color for {block}")
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self.no_color.add(block)
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return self.colors.get(block, (0, 0, 0, 0))
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def map_world(self) -> None:
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if not os.path.exists(self.MAPS_DIR):
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os.mkdir(self.MAPS_DIR)
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regions = self.get_available_regions()
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groups_to_map = set()
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n_regions = self.MAP_SIZE // REGION_SIZE
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for pos, modified_at in regions.items():
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if pos in self.cache and modified_at <= self.cache[pos]:
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continue
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gx = pos[0] // n_regions
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gz = pos[1] // n_regions
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groups_to_map.add((gx, gz))
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n_groups = len(groups_to_map)
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print(f"Groups to map: {n_groups}")
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proceed = input("Proceed ? y/[N] ")
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if proceed.strip().lower() == "y":
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groups_to_map = sorted(groups_to_map, key=lambda g: g[0]*g[0] + g[1]*g[1])
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for i, (gx, gz) in enumerate(groups_to_map):
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print(f"[Mapping group ({gx}, {gz}) ({i+1}/{n_groups})]")
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try:
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surf = self.map_region_group(gx, gz)
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pygame.image.save(surf, os.path.join(self.MAPS_DIR, f"map_{gx}_{gz}.png"))
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self.save_cache()
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except Exception as e:
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raise e
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class FTPConfig:
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@ -124,11 +275,11 @@ class FTPConfig:
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if __name__ == '__main__':
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from math import floor
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pygame.init()
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x = -1
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z = 0
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# x = -1
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# z = 0
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with AutoMapper() as mapper:
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# print(mapper.list_available_regions())
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surf = mapper.map_region_group(x, z)
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pygame.image.save(surf, f"/tmp/map_{x}_{z}.png")
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# mapper.get_available_regions()
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# surf = mapper.map_region_group(x, z)
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# pygame.image.save(surf, f"/tmp/map_{x}_{z}.png")
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mapper.map_world()
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@ -1,7 +1,7 @@
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from typing import Optional
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import numpy as np
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from nbt.nbt import NBTFile, TAG_Compound
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from nbt.nbt import NBTFile, TAG_Compound, TAG_String
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class PositionOutOfBounds(ValueError):
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@ -12,11 +12,16 @@ class BlockNotFound(Exception):
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pass
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class Chunk:
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def __init__(self, x: int, z: int, nbt: NBTFile):
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class ChunkBase:
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def __init__(self, x: int, z: int):
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self.x: int = x
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self.z: int = z
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class Chunk(ChunkBase):
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def __init__(self, x: int, z: int, nbt: NBTFile):
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super().__init__(x, z)
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self.ox: int = x * 16
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self.oy: int = nbt.get("yPos").value * 16
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self.oz: int = z * 16
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@ -25,7 +30,7 @@ class Chunk:
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self.palettes: list[list[TAG_Compound]] = []
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self.blockstates: list[list[int]] = []
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self.biome_palettes: list[list[str]] = []
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self.biome_palettes: list[list[TAG_String]] = []
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self.biomes: list[list[int]] = []
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self.get_sections()
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@ -46,62 +51,88 @@ class Chunk:
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biomes = biomes_tag.get("data")
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self.biomes.append([] if biomes is None else list(biomes))
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def get_block(self, x: int, y: int, z: int) -> Optional[str]:
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def get_block(self, x: int, y: int, z: int) -> Optional[tuple[str, str]]:
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if 0 <= x < 16 and 0 <= z < 16:
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section_i = y // 16 + 4
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oy = y // 16 * 16
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palette = self.palettes[section_i - 1]
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blockstates = self.blockstates[section_i - 1]
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if blockstates is None:
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return palette[0].get("Name").value
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bits = max((len(palette) - 1).bit_length(), 4)
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ids_per_long = 64 // bits
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biome_palette = self.biome_palettes[section_i - 1]
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biomes = self.biomes[section_i - 1]
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if blockstates is None or len(blockstates) == 0:
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return palette[0].get("Name").value, biome_palette[0].value
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rel_y = y - oy
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block_i = rel_y * 256 + z * 16 + x
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long_i = block_i // ids_per_long
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long_val = blockstates[long_i]
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if long_val < 0:
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long_val += 2**64
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bit_i = (block_i % ids_per_long) * bits
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state = (long_val >> bit_i) & ((1 << bits) - 1)
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block_bits = max((len(palette) - 1).bit_length(), 4)
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state = self.get_from_long_array(blockstates, block_bits, x, rel_y, z)
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block = palette[state]
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return block.get("Name").value
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if len(biome_palette) == 1:
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biome_state = 0
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else:
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biome_bits = (len(biome_palette) - 1).bit_length()
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biome_state = self.get_from_long_array(biomes, biome_bits, x // 4, rel_y // 4, z // 4, 4)
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biome = biome_palette[biome_state]
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return block.get("Name").value, biome.value
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else:
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raise PositionOutOfBounds(f"Coordinates x and z should be in range [0:16[")
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def get_top_blocks(self) -> list[list[str]]:
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def get_from_long_array(self, long_array, bits, x, y, z, size=16) -> int:
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ids_per_long = 64 // bits
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block_i = y * size * size + z * size + x
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long_i = block_i // ids_per_long
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long_val = long_array[long_i]
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if long_val < 0:
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long_val += 2**64
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bit_i = (block_i % ids_per_long) * bits
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value = (long_val >> bit_i) & ((1 << bits) - 1)
|
||||
return value
|
||||
|
||||
def get_top_blocks(self) -> tuple[list[list[str]], np.array, np.array, bool]:
|
||||
blocks = [[] for _ in range(16)]
|
||||
heightmap_longs = self.nbt.get("Heightmaps").get("MOTION_BLOCKING")
|
||||
heightmap_shadow = np.zeros((16, 16), dtype="uint16")
|
||||
heightmap = np.zeros((16, 16), dtype="uint16")
|
||||
biomes = [["minecraft:plains"]*16 for _ in range(16)]
|
||||
heightmap_shadow_longs = self.nbt.get("Heightmaps").get("MOTION_BLOCKING")
|
||||
heightmap_longs = self.nbt.get("Heightmaps").get("WORLD_SURFACE")
|
||||
if heightmap_longs is None:
|
||||
return [["minecraft:air"]*16 for _ in range(16)]
|
||||
return [["minecraft:air"]*16 for _ in range(16)], heightmap_shadow, biomes, True
|
||||
heightmap_shadow_longs = heightmap_shadow_longs.value
|
||||
heightmap_longs = heightmap_longs.value
|
||||
# heightmap = [[0]*16 for _ in range(16)]
|
||||
# hmap_surf = pygame.Surface((16, 16))
|
||||
|
||||
i = 0
|
||||
for z in range(16):
|
||||
for x in range(16):
|
||||
# i = z * 16 + x
|
||||
long_i = i // 7
|
||||
long_val = heightmap_longs[long_i]
|
||||
long1_val = heightmap_shadow_longs[long_i]
|
||||
long2_val = heightmap_longs[long_i]
|
||||
bit_i = (i % 7) * 9
|
||||
height = (long_val >> bit_i) & 0b1_1111_1111
|
||||
height_shadow = (long1_val >> bit_i) & 0b1_1111_1111
|
||||
height = (long2_val >> bit_i) & 0b1_1111_1111
|
||||
|
||||
# heightmap[z][x] = height
|
||||
# col = 255 * height / 384
|
||||
# hmap_surf.set_at((x, z), (col, col, col))
|
||||
heightmap_shadow[z, x] = height_shadow
|
||||
heightmap[z, x] = height
|
||||
y = self.oy + height - 1
|
||||
if y < 0:
|
||||
if height == 0:
|
||||
block = "minecraft:air"
|
||||
biome = "minecraft:plains"
|
||||
else:
|
||||
block = self.get_block(x, y, z)
|
||||
block, biome = self.get_block(x, y, z)
|
||||
blocks[z].append(block)
|
||||
biomes[z][x] = biome
|
||||
|
||||
i += 1
|
||||
|
||||
return blocks
|
||||
return blocks, heightmap_shadow, biomes, False
|
||||
|
||||
|
||||
class OldChunk(ChunkBase):
|
||||
def __init__(self, x: int, z: int, data_version: int):
|
||||
super().__init__(x, z)
|
||||
self.data_version: int = data_version
|
||||
|
||||
|
||||
class MalformedChunk(ChunkBase):
|
||||
pass
|
||||
|
||||
@ -3,8 +3,7 @@ from typing import Optional
|
||||
|
||||
import nbt
|
||||
|
||||
from src.utils.minecraft.block import Block
|
||||
from src.utils.minecraft.chunk import Chunk
|
||||
from src.utils.minecraft.chunk import Chunk, ChunkBase, MalformedChunk, OldChunk
|
||||
|
||||
|
||||
def to_int(bytes_):
|
||||
@ -12,6 +11,8 @@ def to_int(bytes_):
|
||||
|
||||
|
||||
class Region:
|
||||
DATA_VERSION = 3465
|
||||
|
||||
def __init__(self, filepath):
|
||||
self.file = open(filepath, "rb")
|
||||
|
||||
@ -31,7 +32,7 @@ class Region:
|
||||
|
||||
return locations
|
||||
|
||||
def get_chunk(self, x, z) -> Optional[Chunk]:
|
||||
def get_chunk(self, x, z) -> ChunkBase:
|
||||
if (x, z) in self.chunks.keys():
|
||||
return self.chunks[(x, z)]
|
||||
|
||||
@ -43,15 +44,22 @@ class Region:
|
||||
data = self.file.read(length-1)
|
||||
|
||||
if compression == 2:
|
||||
try:
|
||||
data = zlib.decompress(data)
|
||||
except zlib.error:
|
||||
return MalformedChunk(x, z)
|
||||
|
||||
else:
|
||||
print(f"{compression} is not a valid compression type")
|
||||
return
|
||||
# print(f"{compression} is not a valid compression type")
|
||||
return MalformedChunk(x, z)
|
||||
|
||||
chunk = nbt.nbt.NBTFile(buffer=nbt.chunk.BytesIO(data))
|
||||
chunk = Chunk(x, z, chunk)
|
||||
data_version = chunk.get("DataVersion").value
|
||||
if data_version != self.DATA_VERSION:
|
||||
print(f"\r Invalid data version {data_version} for chunk ({x},{z})", end="")
|
||||
return OldChunk(x, z, data_version)
|
||||
|
||||
chunk = Chunk(x, z, chunk)
|
||||
self.chunks[(x, z)] = chunk
|
||||
|
||||
return chunk
|
||||
@ -59,9 +67,11 @@ class Region:
|
||||
def get_timestamps(self) -> list[int]:
|
||||
return []
|
||||
|
||||
def get_block(self, x: int, y: int, z: int) -> Block:
|
||||
def get_block(self, x: int, y: int, z: int) -> Optional[str]:
|
||||
chunk_x, chunk_z = x//16, z//16
|
||||
x_rel, z_rel = x % 16, z % 16
|
||||
|
||||
chunk = self.get_chunk(chunk_x, chunk_z)
|
||||
if not isinstance(chunk, Chunk):
|
||||
return None
|
||||
return chunk.get_block(x_rel, y, z_rel)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user