Initial commit

engines/ultima/ultima8/kernel/object_manager.h

@@ -0,0 +1,92 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ULTIMA8_KERNEL_OBJECTMANAGER_H
+#define ULTIMA8_KERNEL_OBJECTMANAGER_H
+
+#include "ultima/shared/std/string.h"
+#include "ultima/shared/std/containers.h"
+#include "ultima/ultima8/misc/common_types.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+class idMan;
+class Object;
+class Actor;
+
+typedef Object *(*ObjectLoadFunc)(Common::ReadStream *rs, uint32);
+
+class ObjectManager {
+public:
+	ObjectManager();
+	~ObjectManager();
+
+	static ObjectManager *get_instance() {
+		return _objectManager;
+	}
+
+	void reset();
+
+	uint16 assignObjId(Object *obj, ObjId id = 0xFFFF);
+	uint16 assignActorObjId(Actor *obj, ObjId id = 0xFFFF);
+	bool reserveObjId(ObjId objid);
+	void clearObjId(ObjId objid);
+	Object *getObject(ObjId objid) const;
+
+	//! increase the maximum allowed object ID
+	//! Note: this shouldn't be used in normal circumstances.
+	//!       It exists for dumpMap currently. If that is rewritten not
+	//!       to need more than 32768 object IDs, this function should be
+	//!       deleted.
+	void allow64kObjects();
+
+
+	void objectStats();
+	void objectTypes();
+
+	void save(Common::WriteStream *ws);
+	bool load(Common::ReadStream *rs, uint32 version);
+
+	void saveObject(Common::WriteStream *ws, Object *obj) const;
+	Object *loadObject(Common::ReadStream *rs, uint32 version);
+
+	Std::vector<Object *> _objects;
+	idMan *_objIDs;
+	idMan *_actorIDs;
+
+private:
+	Object *loadObject(Common::ReadStream *rs, Std::string classname, uint32 version);
+
+	void setupLoaders();
+
+	void addObjectLoader(Std::string classname, ObjectLoadFunc func) {
+		_objectLoaders[classname] = func;
+	}
+	Common::HashMap<Common::String, ObjectLoadFunc> _objectLoaders;
+
+	static ObjectManager *_objectManager;
+};
+
+} // End of namespace Ultima8
+} // End of namespace Ultima
+
+#endif