Add get item handle point

scripts/extract_common.py

@@ -582,3 +582,58 @@ class EnumWriter:
 
         writer.block_end()
         writer.empty_line()
+
+    def output_has_object(self, func_name, name):
+        writer = self.writer
+        tiles = {}
+        for tile in self.all_tiles:
+            if 'objectgroup' not in tile:
+                continue
+            objects = tile['objectgroup']['objects']
+            for object in objects:
+                if object['name'] == name:
+                    tiles[tile['id']] = object
+                    break
+
+        writer.output(f"static bool {func_name}(BzTile tile) ")
+        writer.block_start()
+        writer.output("switch (tile) ")
+        writer.block_start()
+
+        for k, v in tiles.items():
+            writer.output(f"case {k}:\n")
+        writer.indent()
+        writer.output("return true;\n")
+        writer.unindent()
+        writer.output(f"default: return false;\n")
+
+        writer.block_end()
+        writer.block_end()
+
+    def output_get_object(self, func_name, name, ret_type, default_ret, transform):
+        writer = self.writer
+        tiles = {}
+        for tile in self.all_tiles:
+            if 'objectgroup' not in tile:
+                continue
+            objects = tile['objectgroup']['objects']
+            for object in objects:
+                if object['name'] == name:
+                    tiles[tile['id']] = object
+                    break
+
+        writer.output(f"static {ret_type} {func_name}(BzTile tile) ")
+        writer.block_start()
+        writer.output("switch (tile) ")
+        writer.block_start()
+
+        for k, v in tiles.items():
+            ret = transform(v)
+            writer.output(f"case {k}: return {ret};\n")
+        writer.output(f"default: return {default_ret};\n")
+
+        writer.block_end()
+        writer.block_end()
+
+
+