the whole game

src/client/player/input/MouseTurnInput.h

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+#ifndef NET_MINECRAFT_CLIENT_PLAYER_INPUT_MouseTurnInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER_INPUT_MouseTurnInput_H__
+
+#include "ITurnInput.h"
+#include "../../../platform/input/Mouse.h"
+
+/** A Mouse Turn input */
+class MouseTurnInput : public ITurnInput {
+public:
+	static const int MODE_OFFSET = 1;
+	static const int MODE_DELTA  = 2;
+
+	MouseTurnInput(int mode_, int centerX, int centerY)
+	:	mode(mode_),
+		_centerX((float)centerX),
+		_centerY((float)centerY)
+	{}
+
+	void onConfigChanged(const Config& config) {
+		_centerX = ((float) config.width ) * 0.5f;
+		_centerY = ((float) config.height) * 0.5f;
+	}
+
+	TurnDelta getTurnDelta() {
+		float dx = 0, dy = 0;
+		if ( MODE_DELTA == mode ) {
+			dx = (float)Mouse::getDX();
+			dy = (float)Mouse::getDY();
+		} else if (MODE_OFFSET == mode) {
+			float dt = getDeltaTime();
+			dx = linearTransform( (float)Mouse::getX() - _centerX, 40, 0.4f ) * dt;
+			dy = linearTransform( (float)Mouse::getY() - _centerY, 30, 0.6f ) * dt;
+		}
+		return TurnDelta(dx, dy);
+	}
+
+	int mode;
+private:
+	float _centerX;
+	float _centerY;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER_INPUT_MouseTurnInput_H__*/