#include "Device.h"
#include "ScriptSystem.h"
#include "OS.h"

namespace crown
{

extern "C"
{
	Mat4&				mat4(float r1c1, float r2c1, float r3c1, float r1c2, float r2c2, float r3c2, float r1c3, float r2c3, float r3c3);
						
	Mat4&				mat4_add(Mat4& self, Mat4& m);

	Mat4&				mat4_subtract(Mat4& self, Mat4& m);

	Mat4&				mat4_multiply(Mat4& self, Mat4& m);

	Mat4&				mat4_multiply_by_scalar(Mat4& self, float k);

	Mat4&				mat4_divide_by_scalar(Mat4& self, float k);

	void				mat4_build_rotation_x(Mat4& self, float radians);

	void				mat4_build_rotation_y(Mat4& self, float radians);	

	void				mat4_build_rotation_z(Mat4& self, float radians);

	void				mat4_build_rotation(Mat4& self, const Vec3& n, float radians);

	void				mat4_build_projection_perspective_rh(Mat4& self, float fovy, float aspect, float near, float far);

	void				mat4_build_projection_perspective_lh(Mat4& self, float fovy, float aspect, float near, float far);

	void				mat4_build_projection_ortho_rh(Mat4& self, float width, float height, float near, float far);

	void				mat4_build_projection_ortho_lh(Mat4& self, float width, float height, float near, float far);

	void				mat4_build_projection_ortho_2d_rh(Mat4& self, float width, float height, float near, float far);

	void				mat4_build_look_at_rh(Mat4& self, const Vec3& pos, const Vec3& target, const Vec3& up);

	void				mat4_build_look_at_lh(Mat4& self, const Vec3& pos, const Vec3& target, const Vec3& up);

	void				mat4_build_viewpoint_billboard(Mat4& self, const Vec3& pos, const Vec3& target, const Vec3& up);

	void				mat4_build_axis_billboard(Mat4& self, const Vec3& pos, const Vec3& target, const Vec3& axis);

	Mat4&				mat4_transpose(Mat4& self);

	float				mat4_determinant(Mat4& self);

	Mat4&				mat4_invert(Mat4& self);

	void				mat4_load_identity(Mat4& self);

	Vec3&				mat4_get_translation(Mat4& self);

	void				mat4_set_translation(Mat4& self, const Vec3& trans);

	Vec3&				mat4_get_scale(Mat4& self);

	void				mat4_set_scale(Mat4& self, const Vec3& scale);

	void 				mat4_print(Mat4& self);
}

Mat4& mat4(float r1c1, float r2c1, float r3c1, float r1c2, float r2c2, float r3c2, float r1c3, float r2c3, float r3c3)
{
	return device()->script_system()->next_mat4(r1c1, r2c1, r3c1, r1c2, r2c2, r3c2, r1c3, r2c3, r3c3);
}
					
Mat4& mat4_add(Mat4& self, Mat4& m)
{
	self += m;

	return self;
}

Mat4& mat4_subtract(Mat4& self, Mat4& m)
{
	self -= m;

	return self;
}

Mat4& mat4_multiply(Mat4& self, Mat4& m)
{
	self *= m;

	return self;
}	

Mat4& mat4_multiply_by_scalar(Mat4& self, float k)
{
	self *= k;

	return self;
}

Mat4& mat4_divide_by_scalar(Mat4& self, float k)
{
	self /= k;

	return self;
}

void mat4_build_rotation_x(Mat4& self, float radians)
{
	self.build_rotation_x(radians);
}

void mat4_build_rotation_y(Mat4& self, float radians)
{
	self.build_rotation_y(radians);
}

void mat4_build_rotation_z(Mat4& self, float radians)
{
	self.build_rotation_z(radians);
}

void mat4_build_rotation(Mat4& self, const Vec3& n, float radians)
{
	self.build_rotation(n, radians);
}

void mat4_build_projection_perspective_rh(Mat4& self, float fovy, float aspect, float near, float far)
{
	self.build_projection_perspective_rh(fovy, aspect, near, far);
}

void mat4_build_projection_perspective_lh(Mat4& self, float fovy, float aspect, float near, float far)
{
	self.build_projection_perspective_lh(fovy, aspect, near, far);
}

void mat4_build_projection_ortho_rh(Mat4& self, float width, float height, float near, float far)
{
	self.build_projection_ortho_rh(width, height, near, far);
}

void mat4_build_projection_ortho_lh(Mat4& self, float width, float height, float near, float far)
{
	self.build_projection_ortho_lh(width, height, near, far);
}

void mat4_build_projection_ortho_2d_rh(Mat4& self, float width, float height, float near, float far)
{
	self.build_projection_ortho_2d_rh(width, height, near, far);
}

void mat4_build_look_at_rh(Mat4& self, const Vec3& pos, const Vec3& target, const Vec3& up)
{
	self.build_look_at_rh(pos, target, up);
}

void mat4_build_look_at_lh(Mat4& self, const Vec3& pos, const Vec3& target, const Vec3& up)
{
	self.build_look_at_lh(pos, target, up);
}

void mat4_build_viewpoint_billboard(Mat4& self, const Vec3& pos, const Vec3& target, const Vec3& up)
{
	self.build_viewpoint_billboard(pos, target, up);
}

void mat4_build_axis_billboard(Mat4& self, const Vec3& pos, const Vec3& target, const Vec3& axis)
{
	self.build_axis_billboard(pos, target, axis);
}

Mat4& mat4_transpose(Mat4& self)
{
	self.transpose();

	return self;
}

float mat4_determinant(Mat4& self)
{
	return self.get_determinant();
}

Mat4& mat4_invert(Mat4& self)
{
	self.invert();

	return self;
}

void mat4_load_identity(Mat4& self)
{
	self.load_identity();
}

Vec3& mat4_get_translation(Mat4& self)
{	
	Vec3 tmp = self.get_translation();

	return device()->script_system()->next_vec3(tmp.x, tmp.y, tmp.z);
}

void mat4_set_translation(Mat4& self, const Vec3& trans)
{
	self.set_translation(trans);
}

Vec3& mat4_get_scale(Mat4& self)
{
	Vec3 tmp = self.get_scale();
	return device()->script_system()->next_vec3(tmp.x, tmp.y, tmp.z);	
}

void mat4_set_scale(Mat4& self, const Vec3& scale)
{
	self.set_scale(scale);
}

void mat4_print(Mat4& self)
{
	os::printf("|%.1f|%.1f|%.1f|%.1f|\n", self.m[0], self.m[4], self.m[8], self.m[12]);
	os::printf("|%.1f|%.1f|%.1f|%.1f|\n", self.m[1], self.m[5], self.m[9], self.m[13]);
	os::printf("|%.1f|%.1f|%.1f|%.1f|\n", self.m[2], self.m[6], self.m[10], self.m[14]);
	os::printf("|%.1f|%.1f|%.1f|%.1f|\n", self.m[3], self.m[7], self.m[11], self.m[15]);
}


} //namespace crown