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+/*
+ * The Mana Client
+ * Copyright (C) 2010 The Mana Developers
+ *
+ * This file is part of The Mana Client.
+ *
+ * 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 2 of the License, or
+ * 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 ACTOR_H
+#define ACTOR_H
+
+#include "vector.h"
+
+#include <list>
+
+class Actor;
+class Graphics;
+class Image;
+class Map;
+
+typedef std::list<Actor*> Actors;
+
+class Actor
+{
+public:
+ Actor();
+
+ virtual ~Actor();
+
+ /**
+ * Draws the Actor to the given graphics context.
+ *
+ * Note: this function could be simplified if the graphics context
+ * would support setting a translation offset. It already does this
+ * partly with the clipping rectangle support.
+ */
+ virtual bool draw(Graphics *graphics, int offsetX, int offsetY) const = 0;
+
+ /**
+ * Returns the horizontal size of the actors graphical representation
+ * in pixels or 0 when it is undefined.
+ */
+ virtual int getWidth() const
+ { return 0; }
+
+ /**
+ * Returns the vertical size of the actors graphical representation
+ * in pixels or 0 when it is undefined.
+ */
+ virtual int getHeight() const
+ { return 0; }
+
+ /**
+ * Returns the pixel position of this actor.
+ */
+ const Vector &getPosition() const
+ { return mPos; }
+
+ /**
+ * Sets the pixel position of this actor.
+ */
+ virtual void setPosition(const Vector &pos)
+ { mPos = pos; }
+
+ /**
+ * Returns the pixels X coordinate of the actor.
+ */
+ int getPixelX() const
+ { return (int) mPos.x; }
+
+ /**
+ * Returns the pixel Y coordinate of the actor.
+ */
+ virtual int getPixelY() const
+ { return (int) mPos.y; }
+
+ /**
+ * Returns the x coordinate in tiles of the actor.
+ */
+ virtual int getTileX() const;
+
+ /**
+ * Returns the y coordinate in tiles of the actor.
+ */
+ virtual int getTileY() const;
+
+ /**
+ * Returns the number of Image layers used to draw the actor.
+ */
+ virtual int getNumberOfLayers() const
+ { return 0; }
+
+ /**
+ * Returns the current alpha value used to draw the actor.
+ */
+ virtual float getAlpha() const = 0;
+
+ /**
+ * Sets the alpha value used to draw the actor.
+ */
+ virtual void setAlpha(float alpha) = 0;
+
+ void setMap(Map *map);
+
+ Map* getMap() const
+ { return mMap; }
+
+protected:
+ Map *mMap;
+ Vector mPos; /**< Position in pixels relative to map. */
+
+private:
+ Actors::iterator mMapActor;
+};
+
+#endif // ACTOR_H