103 lines
2.5 KiB
Python
103 lines
2.5 KiB
Python
import json
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import os
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from dusk.event import Event
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from editortool.map.mapdefs import CHUNK_WIDTH, CHUNK_HEIGHT, CHUNK_DEPTH, CHUNK_VERTEX_COUNT_MAX, TILE_SHAPE_NULL
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from editortool.map.tile import Tile
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from editortool.map.vertexbuffer import VertexBuffer
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from OpenGL.GL import *
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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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self.dirty = False
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self.tiles = {}
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self.vertexBuffer = VertexBuffer()
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tileIndex = 0
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for tz in range(CHUNK_DEPTH):
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for ty in range(CHUNK_HEIGHT):
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for tx in range(CHUNK_WIDTH):
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self.tiles[tileIndex] = Tile(self, tx, ty, tz, tileIndex)
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tileIndex += 1
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# Update vertices
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self.tileUpdateVertices()
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def tileUpdateVertices(self):
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self.vertexBuffer.clear()
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for tile in self.tiles.values():
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tile.buffer(self.vertexBuffer)
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self.vertexBuffer.buildData()
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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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data = json.load(f)
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if not 'shapes' in data:
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data['shapes'] = []
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# For each tile.
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for tile in self.tiles.values():
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tile.load(data)
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self.tileUpdateVertices()
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self.dirty = False
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self.onChunkData.invoke(self)
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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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if not self.isDirty():
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return
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dataOut = {
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'shapes': []
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}
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for tile in self.tiles.values():
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dataOut['shapes'].append(tile.shape)
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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(dataOut, f)
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self.dirty = False
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self.onChunkData.invoke(self)
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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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for tile in self.tiles.values():
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tile.shape = TILE_SHAPE_NULL
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self.tileUpdateVertices()
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self.dirty = False
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self.onChunkData.invoke(self)
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def isDirty(self):
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return self.dirty
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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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def draw(self):
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self.vertexBuffer.draw() |