#include "Transform3.h"
#include "Matrix4x4.h"
#include "RenderState.h"


namespace CHCDemoEngine 
{

CGparameter Transform3::sModelMatrixParam;

Transform3::Transform3(Matrix4x4 *trafo): mMatrix(trafo)
{
}


Transform3::~Transform3()
{
	DEL_PTR(mMatrix);
}


void Transform3::Load(RenderState *state)
{
	if (!mMatrix) return;

	if (state->GetRenderType() == RenderState::DEFERRED)
	{
		cgGLSetMatrixParameterfc(sModelMatrixParam, (const float *)mMatrix->x);
	}
	else
	{
		glPushMatrix();
		glMultMatrixf((float *)mMatrix->x);
	}
}


void Transform3::Unload(RenderState *state)
{
	if (!mMatrix) return;

	if (state->GetRenderType() == RenderState::DEFERRED)
	{
		static Matrix4x4 identity = IdentityMatrix();
		cgGLSetMatrixParameterfc(sModelMatrixParam, (const float *)identity.x);
	}
	else
	{
		glPopMatrix();
	}
}

}