1 files changed, 56 insertions, 1 deletions
diff --git a/src/main.py b/src/main.py
index a429916..8d8d494 100644
--- a/src/main.py
+++ b/src/main.py
@@ -7,7 +7,6 @@ class KP:
 
 		KP.app.settings = QtCore.QSettings('Koopatlas', 'Newer Team')
 
-
 		from mapdata import KPMap
 		KP.map = KPMap()
 
@@ -16,6 +15,8 @@ class KP:
 		KP.mainWindow = KPMainWindow()
 		KP.mainWindow.show()
 
+		KP.enumerateTilesets()
+
 		KP.app.exec_()
 
 
@@ -34,3 +35,57 @@ class KP:
 			cache[name] = icon
 			return icon
 
+
+	@classmethod
+	def enumerateTilesets(cls):
+		try:
+			registry = cls.knownTilesets
+		except AttributeError:
+			registry = {}
+			cls.knownTilesets = registry
+			cls.loadedTilesets = {}
+
+		path = os.path.join(os.getcwd(), 'Tilesets')
+		if not os.path.exists(path):
+			os.mkdir(path)
+
+		for file in os.listdir(path):
+			name = file[:-4]
+
+			if file.endswith('.arc'):
+				filepath = os.path.join(path, file)
+				registry[name] = {'path': filepath}
+
+
+	@classmethod
+	def loadTileset(cls, name):
+		from hashlib import sha256 as sha
+
+		if name in cls.loadedTilesets:
+			return
+
+		filepath = cls.knownTilesets[name]['path']
+		data = open(filepath, 'rb').read()
+
+		tsInfo = cls.knownTilesets[name]
+		newHash = sha(data).hexdigest()
+		if 'hash' in tsInfo and tsInfo['hash'] == newHash:
+			# file hasn't changed
+			return
+
+		tsInfo['hash'] = newHash
+
+		from tileset import KPTileset
+		cls.loadedTilesets[name] = KPTileset.loadFromArc(data)
+	
+
+	@classmethod
+	def tileset(cls, name):
+		cache = cls.loadedTilesets
+
+		try:
+			return cache[name]
+		except KeyError:
+			cls.loadTileset(name)
+			return cache[name]
+