Try load chunk data.

tools/editortool/map/ChunkData.py

@@ -0,0 +1,36 @@
+import json
+
+class ChunkData:
+    def __init__(self):
+        self.current = {}
+        self.original = {}
+        self.filename = None
+
+    def load(self, filename):
+        try:
+            with open(filename, 'r') as f:
+                self.current = json.load(f)
+            self.filename = filename
+            self.original = json.loads(json.dumps(self.current))  # Deep copy
+        except Exception as e:
+            raise RuntimeError(f"Failed to load chunk file: {e}")
+
+    def save(self, filename=None):
+        fname = filename if filename else self.filename
+        if not fname:
+            raise ValueError("No filename specified for saving chunk.")
+        try:
+            with open(fname, 'w') as f:
+                json.dump(self.current, f, indent=2)
+            self.original = json.loads(json.dumps(self.current))  # Deep copy
+            self.filename = fname
+        except Exception as e:
+            raise RuntimeError(f"Failed to save chunk file: {e}")
+
+    def new(self):
+        self.current = {}
+        self.original = {}
+        self.filename = None
+
+    def isDirty(self):
+        return json.dumps(self.current, sort_keys=True) != json.dumps(self.original, sort_keys=True)

tools/editortool/map/chunkdata.py

@@ -0,0 +1,53 @@
+import json
+import os
+from dusk.event import Event
+
+class ChunkData:
+  def __init__(self, mapData, x, y, z):
+    self.mapData = mapData
+    self.x = x
+    self.y = y
+    self.z = z
+    self.current = {}
+    self.original = {}
+    self.onChunkData = Event()
+
+  def load(self):
+    fname = self.getFilename()
+    if not fname or not os.path.exists(fname):
+      self.new()
+      return
+    try:
+      with open(fname, 'r') as f:
+        self.current = json.load(f)
+      self.original = json.loads(json.dumps(self.current))  # Deep copy
+      self.onChunkData.invoke(self.current)
+    except Exception as e:
+      raise RuntimeError(f"Failed to load chunk file: {e}")
+
+  def save(self):
+    fname = self.getFilename()
+    if not fname:
+      raise ValueError("No filename specified for saving chunk.")
+    try:
+      with open(fname, 'w') as f:
+        json.dump(self.current, f, indent=2)
+      self.original = json.loads(json.dumps(self.current))  # Deep copy
+    except Exception as e:
+      raise RuntimeError(f"Failed to save chunk file: {e}")
+
+  def new(self):
+    self.current = {}
+    self.original = {}
+    self.onChunkData.invoke(self.current)
+
+  def isDirty(self):
+    return json.dumps(self.current, sort_keys=True) != json.dumps(self.original, sort_keys=True)
+
+  def getFilename(self):
+    if not self.mapData or not hasattr(self.mapData, 'getMapDirectory'):
+      return None
+    dir_path = self.mapData.getMapDirectory()
+    if dir_path is None:
+      return None
+    return f"{dir_path}/{self.x}_{self.y}_{self.z}.json"

tools/editortool/map/map.py

@@ -1,8 +1,5 @@
 from dusk.event import Event
-
-MAP_WIDTH = 5
-MAP_HEIGHT = 5
-MAP_DEPTH = 3
+from editortool.map.mapdata import MAP_WIDTH, MAP_HEIGHT, MAP_DEPTH
 
 class Map:
   def __init__(self):

tools/editortool/map/mapdata.py

@@ -3,9 +3,14 @@ from dusk.event import Event
 from PyQt5.QtWidgets import QFileDialog, QMessageBox
 from PyQt5.QtCore import QTimer
 import os
+from editortool.map.chunkdata import ChunkData
 
 MAP_DEFAULT_PATH = os.path.join(os.path.dirname(__file__), '../../../assets/map/')
 EDITOR_CONFIG_PATH = os.path.join(os.path.dirname(__file__), '.editor')
+MAP_WIDTH = 5
+MAP_HEIGHT = 5
+MAP_DEPTH = 3
+MAP_CHUNK_COUNT = MAP_WIDTH * MAP_HEIGHT * MAP_DEPTH
 
 class MapData:
   def __init__(self):
@@ -13,7 +18,14 @@ class MapData:
     self.dataOriginal = {}
     self.onMapData = Event()
     self.mapFileName = None
-    
+    self.chunks = {}
+
+    index = 0
+    for x in range(MAP_WIDTH):
+      for y in range(MAP_HEIGHT):
+        for z in range(MAP_DEPTH):
+          self.chunks[index] = ChunkData(self, x, y, z)
+          index += 1
     QTimer.singleShot(16, self.loadLastFile)
 
   def loadLastFile(self):
@@ -29,7 +41,7 @@ class MapData:
 
   def updateEditorConfig(self):
     try:
-      config = {'lastFile': self.mapFileName if self.mapFileName else ""}
+      config = {'lastFile': self.getMapFilename() if self.getMapFilename() else ""}
       with open(EDITOR_CONFIG_PATH, 'w') as f:
         json.dump(config, f, indent=2)
     except Exception:
@@ -39,23 +51,25 @@ class MapData:
     self.data = {}
     self.dataOriginal = {}
     self.mapFileName = None
+    for chunk in self.chunks.values():
+      chunk.new()
     self.onMapData.invoke(self.data)
     self.updateEditorConfig()
 
   def save(self, fname=None):
-    if not self.mapFileName and fname is None:
+    if not self.getMapFilename() and fname is None:
       filePath, _ = QFileDialog.getSaveFileName(None, "Save Map File", MAP_DEFAULT_PATH, "Map Files (*.json)")
       if not filePath:
         return
       self.mapFileName = filePath
     if fname:
       self.mapFileName = fname
-    if not self.isMapFileDirty():
-      return
     try:
-      with open(self.mapFileName, 'w') as f:
+      with open(self.getMapFilename(), 'w') as f:
         json.dump(self.data, f, indent=2)
       self.dataOriginal = json.loads(json.dumps(self.data))  # Deep copy
+      for chunk in self.chunks.values():
+        chunk.save()
       self.updateEditorConfig()
     except Exception as e:
       QMessageBox.critical(None, "Save Error", f"Failed to save map file:\n{e}")
@@ -66,6 +80,8 @@ class MapData:
         self.data = json.load(f)
       self.mapFileName = fileName
       self.dataOriginal = json.loads(json.dumps(self.data))  # Deep copy
+      for chunk in self.chunks.values():
+        chunk.load()
       self.onMapData.invoke(self.data)
       self.updateEditorConfig()
     except Exception as e:
@@ -75,4 +91,19 @@ class MapData:
     return json.dumps(self.data, sort_keys=True) != json.dumps(self.dataOriginal, sort_keys=True)
 
   def isDirty(self):
-    return self.isMapFileDirty()
+    return self.isMapFileDirty() or self.anyChunksDirty()
+
+  def getMapFilename(self):
+    return self.mapFileName if self.mapFileName else None
+
+  def getMapDirectory(self):
+    fname = self.getMapFilename()
+    if not fname or not fname.endswith('.json'):
+      return None
+    return fname[:-5]  # Remove '.json' extension
+
+  def anyChunksDirty(self):
+    for chunk in self.chunks.values():
+      if chunk.isDirty():
+        return True
+    return False

tools/editortool/maptool.py

@@ -5,7 +5,7 @@ from editortool.map.chunkpanel import ChunkPanel
 from editortool.map.mapinfopanel import MapInfoPanel
 from editortool.map.mapdata import MapData
 from editortool.map.toolbar import MapToolbar
-from editortool.statusbar import StatusBar
+from editortool.map.statusbar import StatusBar
 
 
 class MapWindow(QMainWindow):