X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fmatrix.h;h=2e1096f5f4586d7f6c05ea0620f59a5425b4b450;hp=7dd08f23007dcfd47e315b35a81b65e095245042;hb=aea9ceca71b59358248be94fdf272fd4791ca990;hpb=f098a871fc6dc7b61a5aca5581fa327e4124c036

diff --git a/source/matrix.h b/source/matrix.h
index 7dd08f23..2e1096f5 100644
--- a/source/matrix.h
+++ b/source/matrix.h
@@ -1,29 +1,108 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_MATRIX_H_
 #define MSP_GL_MATRIX_H_
 
-#include <GL/gl.h>
+#include <vector>
+#include <msp/geometry/angle.h>
+#include <msp/linal/squarematrix.h>
+#include "gl.h"
+#include "vector.h"
 
 namespace Msp {
 namespace GL {
 
-enum MatrixMode
+class Matrix: public LinAl::SquareMatrix<float, 4>
 {
-	MODELVIEW=GL_MODELVIEW,
-	PROJECTION=GL_PROJECTION,
-	TEXTURE=GL_TEXTURE
+private:
+	typedef LinAl::SquareMatrix<float, 4> Base;
+	typedef Geometry::Angle<float> Angle;
+
+public:
+	Matrix();
+	Matrix(const float *);
+	Matrix(const LinAl::Matrix<float, 4, 4> &);
+
+	const float *data() const { return &Base::operator()(0, 0); }
+
+	Matrix &multiply(const Matrix &m) { return operator*=(m); }
+	Matrix &translate(float x, float y, float z) { return translate(Vector3(x, y, z)); }
+	Matrix &translate(const Vector3 &);
+	Matrix &rotate(const Angle &a, float x, float y, float z) { return rotate(a, Vector3(x, y, z)); }
+	Matrix &rotate(const Angle &, const Vector3 &);
+	Matrix &rotate(float a, float x, float y, float z) { return rotate(Angle::from_radians(a), Vector3(x, y, z)); }
+	Matrix &rotate(float a, const Vector3 &x) { return rotate(Angle::from_radians(a), x); }
+	Matrix &rotate_deg(float a, float x, float y, float z) { return rotate(Angle::from_degrees(a), Vector3(x, y, z)); }
+	Matrix &rotate_deg(float a, const Vector3 & x) { return rotate(Angle::from_degrees(a), x); }
+	Matrix &scale(float s) { return scale(Vector3(s, s, s)); }
+	Matrix &scale(float x, float y, float z) { return scale(Vector3(x, y, z)); }
+	Matrix &scale(const Vector3 &);
+
+	Matrix operator*(const Matrix &m) const { return static_cast<const Base &>(*this)*static_cast<const Base &>(m); }
+	Matrix &operator*=(const Matrix &m) { Base::operator*=(m); return *this; }
+	Vector4 operator*(const Vector4 &v) const { return static_cast<const Base &>(*this)*v; }
+	Vector3 operator*(const Vector3 &v) const { return ((*this)*compose(v, 1.0f)).slice<3>(0); }
+	float operator[](unsigned) const;
+
+	static Matrix translation(float x, float y, float z) { return translation(Vector3(x, y, z)); }
+	static Matrix translation(const Vector3 &);
+	static Matrix rotation(const Angle &a, float x, float y, float z) { return rotation(a, Vector3(x, y, z)); }
+	static Matrix rotation(const Angle &, const Vector3 &);
+	static Matrix rotation(float a, float x, float y, float z) { return rotation(Angle::from_radians(a), Vector3(x, y, z)); }
+	static Matrix rotation(float a, const Vector3 &x) { return rotation(Angle::from_radians(a), x); }
+	static Matrix rotation_deg(float a, float x, float y, float z) { return rotation(Angle::from_degrees(a), Vector3(x, y, z)); }
+	static Matrix rotation_deg(float a, const Vector3 &x) { return rotation(Angle::from_degrees(a), x); }
+	static Matrix scaling(float s) { return scaling(Vector3(s, s, s)); }
+	static Matrix scaling(float x, float y, float z) { return scaling(Vector3(x, y, z)); }
+	static Matrix scaling(const Vector3 &);
+
+	static Matrix ortho(float, float, float, float, float, float);
+	static Matrix ortho_centered(float, float);
+	static Matrix ortho_bottomleft(float, float);
+	static Matrix ortho_topleft(float, float);
+	static Matrix frustum(float, float, float, float, float, float);
+	static Matrix frustum_centered(float, float, float, float);
+	static Matrix perspective(const Angle &, float, float, float);
 };
 
-void matrix_mode(MatrixMode);
-void load_identity();
-void push_matrix();
-void pop_matrix();
+class MatrixStack
+{
+public:
+	class Push
+	{
+	private:
+		MatrixStack &stack;
+
+	public:
+		Push(MatrixStack &s): stack(s) { stack.push(); }
+		~Push() { stack.pop(); }
+	};
+
+private:
+	GLenum mode;
+	std::vector<Matrix> matrices;
+
+	static GLenum current_mode;
+
+	MatrixStack(const MatrixStack &);
+	MatrixStack &operator=(const MatrixStack &);
+	MatrixStack(GLenum);
+public:
+	MatrixStack();
+
+	const Matrix &top() const;
+	void load(const Matrix &);
+	void multiply(const Matrix &);
+	void push();
+	void pop();
+private:
+	virtual void update();
+
+public:
+	MatrixStack &operator=(const Matrix &);
+	MatrixStack &operator*=(const Matrix &);
+
+	static MatrixStack &modelview();
+	static MatrixStack &projection();
+};
 
 } // namespace GL
 } // namespace Msp