Artvasil09
3ad5bf4c9d
Add native Durak, poker, blackjack, roulette, Buckshot and billiards scenes with animation assets and regression tests. Improve arrival, city, hall, profiles, shops, audio and exit handling; remove the portable C game core and refresh shipping executables.
80 lines
3.5 KiB
Python
80 lines
3.5 KiB
Python
"""Offline packer for the native MASM roulette sprite renderer."""
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from pathlib import Path
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from collections import deque
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from PIL import Image
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ROOT = Path(__file__).resolve().parents[2]
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SIZE = 256
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def cells(path):
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image = Image.open(path).convert("RGBA")
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for index in range(8):
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col, row = index % 4, index // 4
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yield image.crop((round(col * image.width / 4),
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round(row * image.height / 2),
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round((col + 1) * image.width / 4),
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round((row + 1) * image.height / 2)))
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def main():
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sprites = ROOT / "assets/sprites/roulette"
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frames = []
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weapon_cells = list(cells(sprites / "revolver-actions-v1.png"))
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for frame_index, image in enumerate(weapon_cells):
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# Remove tiny disconnected atlas fragments, retaining muzzle flash components.
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pixels = bytearray(image.getchannel("A").point(lambda a: 255 if a >= 128 else 0).tobytes())
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clean = bytearray(len(pixels))
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components = []
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for start, opacity in enumerate(pixels):
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if not opacity:
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continue
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component, queue = [], deque([start])
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pixels[start] = 0
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while queue:
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index = queue.popleft()
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component.append(index)
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x, y = index % image.width, index // image.width
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neighbors = []
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if x: neighbors.append(index - 1)
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if x + 1 < image.width: neighbors.append(index + 1)
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if y: neighbors.append(index - image.width)
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if y + 1 < image.height: neighbors.append(index + image.width)
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for neighbor in neighbors:
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if pixels[neighbor]:
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pixels[neighbor] = 0
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queue.append(neighbor)
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components.append(component)
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largest = max(map(len, components), default=0)
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for component in components:
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if len(component) == largest or (frame_index == 5 and len(component) >= largest * 0.07):
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for index in component:
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clean[index] = 255
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image.putalpha(Image.frombytes("L", image.size, bytes(clean)))
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# Match the runtime alpha test so faint atlas noise cannot alter the anchor.
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bounds = image.getchannel("A").point(lambda a: 255 if a >= 128 else 0).getbbox()
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if bounds is None:
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raise ValueError("Empty revolver frame")
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image = image.crop(bounds)
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image.thumbnail((238, 238), Image.Resampling.LANCZOS)
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frame = Image.new("RGBA", (SIZE, SIZE))
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frame.alpha_composite(image, ((SIZE - image.width) // 2,
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(SIZE - image.height) // 2))
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frames.append(frame)
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for image in cells(sprites / "gman-talk-v1.png"):
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frame = image.resize((SIZE, SIZE), Image.Resampling.LANCZOS)
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frame.putalpha(255)
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frames.append(frame)
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target = ROOT / "assets/animations/roulette/roulette-scenes.bin"
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target.parent.mkdir(parents=True, exist_ok=True)
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target.write_bytes(b"".join(frame.tobytes("raw", "BGRA") for frame in frames))
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assert target.stat().st_size == 16 * SIZE * SIZE * 4
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contact = Image.new("RGBA", (4 * SIZE, 4 * SIZE), (20, 32, 30, 255))
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for index, frame in enumerate(frames):
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contact.alpha_composite(frame, ((index % 4) * SIZE, (index // 4) * SIZE))
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contact.convert("RGB").save(ROOT / "build/actions/roulette-contact.png")
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print(f"Packed {len(frames)} frames: {target}")
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if __name__ == "__main__":
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main()
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