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engines/hpl1/engine/game/Updater.h

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+/* 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/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#ifndef HPL_UPDATER_H
+#define HPL_UPDATER_H
+
+#include "common/list.h"
+#include "hpl1/engine/system/SystemTypes.h"
+#include "common/stablemap.h"
+
+namespace hpl {
+
+class iUpdateable;
+class LowLevelSystem;
+
+typedef Common::List<iUpdateable *> tUpdateableList;
+typedef tUpdateableList::iterator tUpdateableListIt;
+
+typedef Common::StableMap<tString, tUpdateableList> tUpdateContainerMap;
+typedef tUpdateContainerMap::iterator tUpdateContainerMapIt;
+
+class cUpdater {
+public:
+	cUpdater(LowLevelSystem *apLowLevelSystem);
+	~cUpdater();
+
+	void Reset();
+
+	void OnDraw();
+	void OnPostSceneDraw();
+	void OnPostGUIDraw();
+	void OnPostBufferSwap();
+
+	void OnStart();
+
+	void Update(float afTimeStep);
+
+	void OnExit();
+
+	/**
+	 * Sets the active update container to be used.
+	 * \param asContainer Name of the contianer
+	 * \return
+	 */
+	bool SetContainer(tString asContainer);
+
+	/**
+	 * Gets the name of the current container in use.
+	 * \return name of current container.
+	 */
+	tString GetCurrentContainerName();
+	/**
+	 * Adds a new container
+	 * \todo change name to state instead of container?
+	 * \param asName Name for the new container.
+	 * \return
+	 */
+	bool AddContainer(tString asName);
+	/**
+	 * Adds a new update in a container.
+	 * \param asContainer Container name
+	 * \param apUpdate pointer to the class that will be updated
+	 * \return
+	 */
+	bool AddUpdate(tString asContainer, iUpdateable *apUpdate);
+	/**
+	 * Adds a global update that runs no matter what container is set
+	 * \param apUpdate
+	 * \return
+	 */
+	bool AddGlobalUpdate(iUpdateable *apUpdate);
+
+private:
+	tString msCurrentUpdates;
+
+	tUpdateContainerMap m_mapUpdateContainer;
+
+	LowLevelSystem *mpLowLevelSystem;
+
+	tUpdateableList *mpCurrentUpdates;
+	tUpdateableList mlstGlobalUpdateableList;
+};
+
+} // namespace hpl
+
+#endif // HPL_UPDATER_H