some city text and exports
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sShemet
157
UnRLE/d_texture.py
Normal file
157
UnRLE/d_texture.py
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import struct
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import sys
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import os
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from PIL import Image
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def read_u32(f):
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data = f.read(4)
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if len(data) < 4:
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return None
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return struct.unpack('<I', data)[0]
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def read_u16(f):
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data = f.read(2)
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if len(data) < 2:
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return None
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return struct.unpack('<H', data)[0]
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def rgb1555_to_rgb(color):
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a = (color >> 15) & 0x1
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r = ((color >> 10) & 0x1F) << 3
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g = ((color >> 5) & 0x1F) << 3
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b = (color & 0x1F) << 3
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return (r, g, b, 255 if a else 0) if a else (r, g, b)
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def process_texture_file(input_file):
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with open(input_file, 'rb') as f:
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# Читаем адреса текстурных блоков
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texture_addresses = []
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first_address = read_u32(f)
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if first_address is None:
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print("Error: Invalid file format (cannot read first address)")
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return
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texture_addresses.append(first_address)
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print(f"First texture block at: 0x{first_address:08X}")
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# Читаем адреса до достижения позиции first_address
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while f.tell() < first_address:
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addr = read_u32(f)
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if addr is None:
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break
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texture_addresses.append(addr)
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print(f"Found {len(texture_addresses)} texture blocks")
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# Создаем изображение 2048x512
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img = Image.new('RGBA', (2048, 512))
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pixels = img.load()
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for addr in texture_addresses:
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if addr >= os.path.getsize(input_file):
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print(f"Warning: Invalid texture address 0x{addr:08X}, skipping")
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continue
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f.seek(addr)
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# Читаем параметры текстуры
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clut_mode = read_u32(f)
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image_mode = read_u32(f)
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if clut_mode is None or image_mode is None:
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print(f"Warning: Invalid texture header at 0x{addr:08X}, skipping")
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continue
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print(f"Processing texture at 0x{addr:08X}, clut_mode={clut_mode}, image_mode={image_mode}")
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# Обрабатываем CLUT чанк
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clut_size = read_u32(f)
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if clut_size is None:
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print(f"Warning: Invalid CLUT size at 0x{addr:08X}, skipping")
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continue
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clut_x = read_u16(f) * 2 # Умножаем только позицию на 2
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clut_y = read_u16(f)
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clut_w = read_u16(f)
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clut_h = read_u16(f)
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if None in (clut_x, clut_y, clut_w, clut_h):
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print(f"Warning: Invalid CLUT header at 0x{addr:08X}, skipping")
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continue
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print(f"CLUT: pos=({clut_x},{clut_y}), size=({clut_w},{clut_h})")
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clut_data_size = clut_size - 12
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clut_data = f.read(clut_data_size)
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if len(clut_data) < clut_data_size:
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print(f"Warning: CLUT data truncated at 0x{addr:08X}, skipping")
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continue
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# Создаем CLUT палитру
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clut = []
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if clut_mode == 16:
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for i in range(0, min(len(clut_data), clut_w*clut_h*2), 2):
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color = struct.unpack('<H', clut_data[i:i+2])[0]
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rgb = rgb1555_to_rgb(color)
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clut.append(rgb)
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# Рисуем CLUT (x-координата уже умножена на 2)
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px = clut_x + (i//2)
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py = clut_y + ((i//2) // clut_w)
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if 0 <= px < 2048 and 0 <= py < 512:
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pixels[px, py] = rgb
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# Обрабатываем текстуру
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tex_size = read_u32(f)
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if tex_size is None:
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print(f"Warning: Invalid texture size at 0x{addr:08X}, skipping")
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continue
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tex_x = read_u16(f) * 2 # Умножаем только позицию на 2
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tex_y = read_u16(f)
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tex_w = read_u16(f) * 2
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tex_h = read_u16(f)
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if None in (tex_x, tex_y, tex_w, tex_h):
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print(f"Warning: Invalid texture header at 0x{addr:08X}, skipping")
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continue
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print(f"Texture: pos=({tex_x},{tex_y}), size=({tex_w},{tex_h})")
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tex_data_size = tex_size - 12
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tex_data = f.read(tex_data_size)
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if len(tex_data) < tex_data_size:
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print(f"Warning: Texture data truncated at 0x{addr:08X}, skipping")
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continue
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if image_mode == 9 and clut_mode == 16 and clut:
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for y in range(tex_h):
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for x in range(tex_w):
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idx = y * tex_w + x
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if idx >= len(tex_data):
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continue
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color_idx = tex_data[idx]
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if color_idx >= len(clut):
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continue
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# Координаты текстуры (x-позиция уже умножена на 2)
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px = tex_x + x
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py = tex_y + y
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if 0 <= px < 2048 and 0 <= py < 512:
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pixels[px, py] = clut[color_idx]
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# Сохраняем PNG
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output_file = os.path.splitext(input_file)[0] + '.png'
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img.save(output_file)
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print(f"Image saved to {output_file}")
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if __name__ == "__main__":
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if len(sys.argv) != 2:
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print("Usage: python texture_converter.py <input_file>")
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sys.exit(1)
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input_file = sys.argv[1]
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if not os.path.exists(input_file):
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print(f"Error: File {input_file} not found")
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sys.exit(1)
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process_texture_file(input_file)
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