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engines/ultima/shared/maps/creature.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/>.
+ *
+ */
+
+#ifndef ULTIMA_SHARED_WIDGETS_CREATURE_H
+#define ULTIMA_SHARED_WIDGETS_CREATURE_H
+
+#include "ultima/shared/maps/map_widget.h"
+#include "ultima/shared/maps/map.h"
+#include "common/serializer.h"
+
+namespace Ultima {
+namespace Shared {
+
+class Game;
+class Map;
+
+namespace Maps {
+
+/**
+ * Base class for creatures that can be killed
+ */
+class Creature {
+private:
+	Game *_gameRef;
+//	MapBase *_mapRef;
+protected:
+	int _hitPoints;
+	bool _isAttacking;
+protected:
+	/**
+	 * Returns either the maximum attack distance for a monster, or 0 if the monster is beyond
+	 * that distance from the player
+	 */
+	virtual uint attackDistance() const { return 0; }
+
+	/**
+	 * Handles moving creatures
+	 */
+	virtual void movement() {}
+
+	/**
+	 * Handles attacking the player
+	 */
+	virtual void attackParty() {}
+public:
+	/**
+	 * Constructor
+	 */
+	Creature(Game *game, MapBase *) : _gameRef(game), _hitPoints(0), _isAttacking(false) {}
+	Creature(Game *game, MapBase *, int hitPoints) : _gameRef(game),
+		_hitPoints(hitPoints), _isAttacking(false) {}
+
+	/**
+	 * Destructor
+	 */
+	virtual ~Creature() {}
+
+	/**
+	 * Handles loading and saving games
+	 */
+	void synchronize(Common::Serializer &s);
+
+	/**
+	 * Called to update the widget at the end of a turn
+	 * @param isPreUpdate		Update is called twice in succession during the end of turn update.
+	 *		Once with true for all widgets, then with it false
+	 */
+	virtual void update(bool isPreUpdate);
+
+	/**
+	 * True true if the creature is dead
+	 */
+	bool isDead() const { return _hitPoints <= 0; }
+
+	/**
+	 * Removes hit points from a creature
+	 * @param amount		Amount to remove
+	 * @returns				Returns true if kills the creature
+	 */
+	virtual bool subtractHitPoints(uint amount);
+};
+
+} // End of namespace Maps
+} // End of namespace Shared
+} // End of namespace Ultima
+
+#endif