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engines/stark/movement/turn.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 STARK_MOVEMENT_TURN_H
+#define STARK_MOVEMENT_TURN_H
+
+#include "engines/stark/movement/movement.h"
+
+namespace Stark {
+
+namespace Resources {
+class FloorPositionedItem;
+}
+
+/**
+ * Make an item turn on itself towards a target direction
+ */
+class Turn : public Movement {
+public:
+	Turn(Resources::FloorPositionedItem *item);
+	virtual ~Turn();
+
+	// Movement API
+	void onGameLoop() override;
+	uint32 getType() const override;
+	void saveLoad(ResourceSerializer *serializer) override;
+
+	/** Set the direction to turn towards */
+	void setTargetDirection(const Math::Vector3d &direction);
+
+	/** Override the default rotation speed */
+	void setSpeed(float speed);
+
+private:
+	float getAngularSpeed() const;
+
+	Resources::FloorPositionedItem *_item3D;
+	Math::Vector3d _targetDirection;
+	float _turnSpeed;
+};
+
+} // End of namespace Stark
+
+#endif // STARK_MOVEMENT_TURN_H