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engines/myst3/cursor.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 CURSOR_H_
+#define CURSOR_H_
+
+#include "common/hashmap.h"
+#include "common/rect.h"
+
+#include "engines/myst3/gfx.h"
+
+namespace Myst3 {
+
+class Myst3Engine;
+class Texture;
+
+class Cursor : public Drawable {
+public:
+	Cursor(Myst3Engine *vm);
+	virtual ~Cursor();
+
+	void changeCursor(uint32 index);
+	bool isPositionLocked() { return _lockedAtCenter; }
+	void lockPosition(bool lock);
+
+	/**
+	 * Get the mouse cursor position
+	 *
+	 * By default it is in 640x480 equivalent coordinates
+	 *
+	 * @param scaled When false the position is in actual game screen coordinates.
+	 * @return
+	 */
+	Common::Point getPosition(bool scaled = true);
+	void updatePosition(const Common::Point &mouse);
+
+	void getDirection(float &pitch, float &heading);
+
+	void draw() override;
+	void setVisible(bool show);
+	bool isVisible();
+private:
+	Myst3Engine *_vm;
+
+	uint32 _currentCursorID;
+	int32 _hideLevel;
+
+	/** Position of the cursor */
+	Common::Point _position;
+
+	typedef Common::HashMap<uint32, Texture *> TextureMap;
+	TextureMap _textures;
+
+	bool _lockedAtCenter;
+
+	void loadAvailableCursors();
+	float getTransparencyForId(uint32 cursorId);
+};
+
+} // End of namespace Myst3
+
+#endif // CURSOR_H_