54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
import json
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import os
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from dusk.event import Event
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class Chunk:
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def __init__(self, map, x, y, z):
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self.map = map
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self.x = x
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self.y = y
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self.z = z
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self.current = {}
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self.original = {}
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self.onChunkData = Event()
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def load(self):
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fname = self.getFilename()
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if not fname or not os.path.exists(fname):
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self.new()
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return
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try:
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with open(fname, 'r') as f:
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self.current = json.load(f)
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self.original = json.loads(json.dumps(self.current)) # Deep copy
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self.onChunkData.invoke(self.current)
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except Exception as e:
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raise RuntimeError(f"Failed to load chunk file: {e}")
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def save(self):
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fname = self.getFilename()
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if not fname:
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raise ValueError("No filename specified for saving chunk.")
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try:
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with open(fname, 'w') as f:
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json.dump(self.current, f, indent=2)
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self.original = json.loads(json.dumps(self.current)) # Deep copy
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except Exception as e:
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raise RuntimeError(f"Failed to save chunk file: {e}")
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def new(self):
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self.current = {}
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self.original = {}
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self.onChunkData.invoke(self.current)
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def isDirty(self):
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return json.dumps(self.current, sort_keys=True) != json.dumps(self.original, sort_keys=True)
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def getFilename(self):
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if not self.map or not hasattr(self.map, 'getMapDirectory'):
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return None
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dir_path = self.map.getMapDirectory()
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if dir_path is None:
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return None
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return f"{dir_path}/{self.x}_{self.y}_{self.z}.json"
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