Add compatibility support for slope-based animation interpolation

[libs/gl.git] / source / transform.h

diff --git a/source/transform.h b/source/transform.h
index 24a274b81014ec6b1fe3cbd27da1b5607008b3d4..01c783bd7aa3ede6fe428f85f28c4cb4878ff079 100644 (file)
--- a/source/transform.h
+++ b/source/transform.h
@@ -1 +1,59 @@
+#ifndef MSP_GL_TRANSFORM_H_
+#define MSP_GL_TRANSFORM_H_
+
+#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 &);
+
+       private:
+               void position(float, float, float);
+               void euler(float, float, float);
+               void rotation(float, float, float, float);
+               void scale_uniform(float);
+               void scale(float, float, float);
+       };
+
+       typedef Geometry::Angle<float> Angle;
+       typedef LinAl::Vector<Angle, 3> AngleVector3;
+
+private:
+       Vector3 position;
+       AngleVector3 euler;
+       Vector3 scale;
+
+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; }
+
+       Matrix to_matrix() const;
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif