133 lines
4.0 KiB
Python
133 lines
4.0 KiB
Python
import sys
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import argparse
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import pprint
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import json
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import struct
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parser = argparse.ArgumentParser()
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parser.add_argument('filename')
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args = parser.parse_args()
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print("Parsing", args.filename)
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with open(args.filename, 'r') as f:
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level_pack_data = json.load(f)
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#pprint.pprint(level_pack_data)
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ENUMIDS_TILETYPE_MAPPING = {
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'Solid': 1,
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'WoodenPlat': 2,
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'Ladder': 3,
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'LSpike': 4,
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'RSpike': 5,
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'USpike': 6,
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'DSpike': 7,
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'EmptyWCrate': 8,
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'LArrowWCrate': 9,
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'RArrowWCrate': 10,
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'UArrowWCrate': 11,
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'DArrowWCrate': 12,
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'BombWCrate': 13,
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'EmptyMCrate': 14,
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'LArrowMCrate': 15,
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'RArrowMCrate': 16,
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'UArrowMCrate': 17,
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'DArrowMCrate': 18,
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'BombMCrate': 19,
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'Boulder': 20,
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'Runner': 21,
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'Player': 22,
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'Chest': 23,
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'Exit': 24,
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}
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#ENTID_MAPPING = {
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# 'Player': 1
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#}
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# First go to tilesets and find Simple_tiles identifier, then find enumTags to identifier which tile type is what tileid
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ids_tiletype_map = {}
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tileset_defs = level_pack_data["defs"]["tilesets"]
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for ts_def in tileset_defs:
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if ts_def["identifier"] != "Items_spritesheet":
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continue
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for tag in ts_def["enumTags"]:
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ids_tiletype_map[tag["tileIds"][0]] = ENUMIDS_TILETYPE_MAPPING[tag["enumValueId"]]
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if not ids_tiletype_map:
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print("No tileset definition")
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sys.exit(1)
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pprint.pprint(ids_tiletype_map)
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# Number of levels is the length of the levels
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n_levels = len(level_pack_data["levels"])
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print("Number of levels:", n_levels)
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fileparts = args.filename.split('.')
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if len(fileparts) == 1:
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fileparts.append("lvldat")
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else:
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fileparts[-1] = "lvldata"
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converted_filename = '.'.join(fileparts)
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# Each level should be packed as: [width, 2 bytes][height, 2 bytes][tile_type,entity,water,padding 1,1,1,1 bytes][tile_type,entity,water,padding 1,1,1,1 bytes]...
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with open(converted_filename, 'wb+') as out_file:
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out_file.write(struct.pack("<I", n_levels))
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# Then loop the levels. Read the layerIndstances
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for level in level_pack_data["levels"]:
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n_chests : int = 0
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# Search for __identifier for the level layout
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level_name = level["identifier"]
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print("Parsing level", level_name)
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level_layout = {}
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entity_layout = {}
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water_layout = {}
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for layer in level['layerInstances']:
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if layer["__identifier"] == "Tiles":
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level_layout = layer
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elif layer["__identifier"] == "Entities":
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entity_layout = layer
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elif layer["__identifier"] == "Water":
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water_layout = layer
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# Dimensions of each level is obtained via __cWid and __cHei. Get the __gridSize as well
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width = level_layout["__cWid"]
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height = level_layout["__cHei"]
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print(f"Dim.: {width}x{height}")
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# Create a W x H array of tile information
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n_tiles = width * height
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tiles_info = [[0,0,0] for _ in range(n_tiles)]
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# Loop through gridTiles, get "d" as the index to fill the info
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for i, tile in enumerate(level_layout["gridTiles"]):
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try:
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tiles_info[tile["d"][0]][0] = ids_tiletype_map[tile["t"]]
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if tiles_info[tile["d"][0]][0] == ENUMIDS_TILETYPE_MAPPING ["Chest"]:
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n_chests += 1
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except Exception as e:
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print("Error on tile", i, i % width, i // height)
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print(e)
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tiles_info[tile["d"][0]][0] = 0
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for i, water_level in enumerate(water_layout["intGridCsv"]):
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tiles_info[i][2] = water_level
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# Subject to change
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for ent in entity_layout["entityInstances"]:
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x,y = ent["__grid"]
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tiles_info[y*width + x][0] = ENUMIDS_TILETYPE_MAPPING[ent["__identifier"]]
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out_file.write(struct.pack("<32s3H", level_name.encode('utf-8'), width, height, n_chests))
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for tile in tiles_info:
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out_file.write(struct.pack("<3Bx", *tile))
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#for y in range(height):
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# for x in range(width):
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# print(tiles_info[y*width + x], end=" ")
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# print()
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