85 lines
2.6 KiB
Python
85 lines
2.6 KiB
Python
from math import ceil, log10
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import os.path
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from PIL import Image
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import platformdirs
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Image.MAX_IMAGE_PIXELS = 200000000
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MAP_SIZE = 1024
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DEFAULT_PATH = os.path.join(platformdirs.user_cache_dir(appname="lycacraft-paths", appauthor="Lycacraft"), "maps")
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def clamp(mn, value, mx):
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return max(mn, min(mx, value))
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def main():
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# utils/2024-06-27_21.01.45_Lycacraft_minecraft~overworld_day.png
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# 6144,10240
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input_path = input("Input image: ")
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output_path = input(f"Output dir (default: {DEFAULT_PATH}): ")
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if output_path.strip() == "":
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output_path = DEFAULT_PATH
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if not os.path.exists(output_path):
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os.makedirs(output_path)
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elif not os.path.isdir(output_path):
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print("Output path must be a directory")
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return
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center_pos = input("(0, 0) = ").split(",")
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cx, cy = list(map(lambda p: int(p), center_pos))
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image = Image.open(input_path)
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width, height = image.width, image.height
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left_maps = ceil(cx / MAP_SIZE)
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right_maps = ceil((width - cx) / MAP_SIZE)
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top_maps = ceil(cy / MAP_SIZE)
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bottom_maps = ceil((height - cy) / MAP_SIZE)
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h_maps = right_maps + left_maps
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v_maps = bottom_maps + top_maps
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total_maps = h_maps * v_maps
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digits = ceil(log10(total_maps - 1))
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map_i_str = f"{{:0{digits}d}}"
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print(f"{total_maps} maps will be created")
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proceed = input("Do you want to proceed ? y/[n] ")
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if proceed.lower().strip() != "y":
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return
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for y in range(v_maps):
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y0 = y * MAP_SIZE
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y1 = y0 + MAP_SIZE
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# y0 = clamp(0, y0, height)
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# y1 = clamp(0, y1, height)
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start_y = clamp(0, y0, height) - cy
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end_y = clamp(0, y1, height) - cy
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for x in range(h_maps):
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x0 = x * MAP_SIZE
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x1 = x0 + MAP_SIZE
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# x0 = clamp(0, x0, width)
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# x1 = clamp(0, x1, width)
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start_x = clamp(0, x0, width) - cx
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end_x = clamp(0, x1, width) - cx
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map_i = x + y * h_maps
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print(f"\r{map_i + 1}/{total_maps} ({map_i / total_maps * 100:.2f}%)", end="")
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map_image = image.crop((x0, y0, x1, y1))
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# map_image.save(
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# os.path.join(
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# output_path,
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# f"map{map_i_str.format(map_i)}_{start_x},{start_y}_{end_x},{end_y}.png"
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# )
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# )
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map_path = os.path.join(output_path, f"map{map_i_str.format(map_i)}_{x - left_maps}_{y - top_maps}.png")
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map_image.save(map_path)
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print(f"\r{total_maps}/{total_maps} (100%)")
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if __name__ == '__main__':
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main()
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