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engines/tetraedge/te/te_bezier_curve.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 TETRAEDGE_TE_TE_BEZIER_CURVE_H
+#define TETRAEDGE_TE_TE_BEZIER_CURVE_H
+
+#include "common/array.h"
+
+#include "tetraedge/te/te_3d_object2.h"
+#include "tetraedge/te/te_references_counter.h"
+#include "tetraedge/tetraedge.h"
+
+namespace Tetraedge {
+
+class TeBezierCurve : public Te3DObject2, public TeReferencesCounter {
+public:
+	TeBezierCurve();
+
+	int bounds(int val);
+	void clear();
+	void draw() override;
+	float length();
+
+	void pseudoTangent(float f, TeVector3f32 &v1, TeVector3f32 &v2);
+
+	float rawLength();
+
+	TeVector3f32 retrievePoint(float offset);
+	void setControlPoints(const Common::Array<TeVector3f32> &points);
+	void setNbIterations(uint iterations);
+
+	static TeVector3f32 hermiteInterpolate(float param_2, const TeVector3f32 *points, float param_4, float param_5);
+
+	static void serialize(Common::WriteStream &stream, const TeBezierCurve &curve);
+	static void deserialize(Common::ReadStream &stream, TeBezierCurve &curve);
+	void loadBin(TetraedgeFSNode &node);
+
+	const Common::Array<TeVector3f32> &controlPoints() { return _controlPoints; }
+	uint numIterations() const { return _numIterations; }
+
+private:
+	uint _numIterations;
+	float _length;
+	float _rawLength;
+	bool _lengthNeedsUpdate;
+	bool _rawLengthNeedsUpdate;
+	Common::Array<TeVector3f32> _controlPoints;
+	Common::Array<float> _rawLengths;
+	Common::Array<float> _lengths;
+};
+
+} // end namespace Tetraedge
+
+#endif // TETRAEDGE_TE_TE_BEZIER_CURVE_H