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engines/hpl1/engine/input/Mouse.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_MOUSE_H
+#define HPL_MOUSE_H
+
+#include "common/bitarray.h"
+#include "hpl1/engine/input/InputDevice.h"
+#include "hpl1/engine/input/InputTypes.h"
+#include "hpl1/engine/math/MathTypes.h"
+
+namespace Common {
+struct Event;
+}
+
+namespace hpl {
+
+class LowLevelInput;
+class iLowLevelGraphics;
+
+class Mouse : public iInputDevice {
+public:
+	Mouse(LowLevelInput *apLowLevelInputSDL, iLowLevelGraphics *apLowLevelGraphics);
+	~Mouse() {}
+
+	/**
+	 * Check if a mouse button is down
+	 * \param eMButton the button to check
+	 * \return
+	 */
+	bool ButtonIsDown(eMButton);
+	/**
+	 * Get the absolute pos of the mouse.
+	 * \return
+	 */
+	cVector2f GetAbsPosition();
+	/**
+	 * Get the relative movement.
+	 * \return
+	 */
+	cVector2f GetRelPosition();
+
+	/**
+	 * Reset smoothing and relative movement.
+	 */
+	void Reset();
+	/**
+	 * Set parameters for mouse smoothing
+	 * \param afMinPercent Influence of the oldest position.
+	 * \param afMaxPercent Influence of the latest position.
+	 * \param alBufferSize number of saved positions, 1 = no smoothing
+	 */
+	void SetSmoothProperties(float afMinPercent,
+							 float afMaxPercent, unsigned int alBufferSize);
+
+	void Update();
+
+private:
+	void processEvent(const Common::Event &ev);
+	cVector2f _absMousePos;
+	cVector2f _relMousePos;
+	Common::BitArray _buttonState;
+	float mfMaxPercent;
+	float mfMinPercent;
+	int mlBufferSize;
+	LowLevelInput *_lowLevelInputSDL;
+	iLowLevelGraphics *_lowLevelGraphics;
+};
+
+} // namespace hpl
+
+#endif // HPL_MOUSE_H