X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftransform.h;h=1d0aedddf71b3fe900ffc2b7689008759ef3939e;hp=83f190b3c95af7d4fc928e5eac647ce31a679762;hb=99d25b5ef615a23ef63645fea87596b3384b5ede;hpb=2316272b57cf9bea26d2c35b9451910c169efafa

diff --git a/source/transform.h b/source/transform.h
index 83f190b3..1d0aeddd 100644
--- a/source/transform.h
+++ b/source/transform.h
@@ -1,8 +1,99 @@
-/* $Id$
+#ifndef MSP_GL_TRANSFORM_H_
+#define MSP_GL_TRANSFORM_H_
 
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
+#include <msp/datafile/objectloader.h>
+#include "matrix.h"
+
+namespace Msp {
+namespace GL {
+
+/**
+Stores a coordinate space transform as individual components.  Primarily
+intended for loading data from external sources.  At runtime transforms
+should generally be stored as matrices.
 */
+class Transform
+{
+public:
+	class Loader: public DataFile::ObjectLoader<Transform>
+	{
+	public:
+		Loader(Transform &);
 
-#include "matrix.h"
+	private:
+		void position_x(float);
+		void position_y(float);
+		void position_z(float);
+		void position(float, float, float);
+		void euler_x(float);
+		void euler_y(float);
+		void euler_z(float);
+		void euler(float, float, float);
+		void rotation(float, float, float, float);
+		void scale_x(float);
+		void scale_y(float);
+		void scale_z(float);
+		void scale_uniform(float);
+		void scale(float, float, float);
+	};
+
+	enum ComponentMask
+	{
+		NONE = 0,
+		POSITION_X = 1,
+		POSITION_Y = 2,
+		POSITION_Z = 4,
+		POSITION = POSITION_X|POSITION_Y|POSITION_Z,
+		EULER_X = 8,
+		EULER_Y = 16,
+		EULER_Z = 32,
+		EULER = EULER_X|EULER_Y|EULER_Z,
+		SCALE_X = 64,
+		SCALE_Y = 128,
+		SCALE_Z = 256,
+		SCALE = SCALE_X|SCALE_Y|SCALE_Z
+	};
+
+	typedef Geometry::Angle<float> Angle;
+	typedef LinAl::Vector<Angle, 3> AngleVector3;
+
+private:
+	Vector3 position;
+	AngleVector3 euler;
+	Vector3 scale;
+	ComponentMask mask;
+
+public:
+	Transform();
+
+	static Transform from_matrix(const Matrix &);
+
+	void set_position(const Vector3 &);
+	void set_euler(const AngleVector3 &);
+	void set_rotation(const Angle &, const Vector3 &);
+	void set_scale(float);
+	void set_scale(const Vector3 &);
+	const Vector3 &get_position() const { return position; }
+	const AngleVector3 &get_euler() const { return euler; }
+	const Vector3 &get_scale() const { return scale; }
+	ComponentMask get_mask() const { return mask; }
+
+	Matrix to_matrix() const;
+};
+
+inline Transform::ComponentMask operator&(Transform::ComponentMask m1, Transform::ComponentMask m2)
+{ return static_cast<Transform::ComponentMask>(static_cast<int>(m1)&static_cast<int>(m2)); }
+
+inline Transform::ComponentMask operator|(Transform::ComponentMask m1, Transform::ComponentMask m2)
+{ return static_cast<Transform::ComponentMask>(static_cast<int>(m1)|static_cast<int>(m2)); }
+
+inline Transform::ComponentMask operator^(Transform::ComponentMask m1, Transform::ComponentMask m2)
+{ return static_cast<Transform::ComponentMask>(static_cast<int>(m1)^static_cast<int>(m2)); }
+
+inline Transform::ComponentMask operator~(Transform::ComponentMask m)
+{ return static_cast<Transform::ComponentMask>(~static_cast<int>(m)); }
+
+} // namespace GL
+} // namespace Msp
+
+#endif