Differential D2012 Diff 8626 ps/trunk/source/graphics/Camera.h

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ps/trunk/source/graphics/Camera.h

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/*		/*
* CCamera holds a view and a projection matrix. It also has a frustum		* CCamera holds a view and a projection matrix. It also has a frustum
* which can be used to cull objects for rendering.		* which can be used to cull objects for rendering.
*/		*/

#ifndef INCLUDED_CAMERA		#ifndef INCLUDED_CAMERA
#define INCLUDED_CAMERA		#define INCLUDED_CAMERA

#include "Frustum.h"		#include "graphics/Frustum.h"
#include "maths/BoundingBoxAligned.h"		#include "maths/BoundingBoxAligned.h"
#include "maths/Matrix3D.h"		#include "maths/Matrix3D.h"

// view port		// view port
struct SViewPort		struct SViewPort
{		{
int m_X;		int m_X;
int m_Y;		int m_Y;
int m_Width;		int m_Width;
int m_Height;		int m_Height;
};		};

class CCamera		class CCamera
{		{
public:		public:
CCamera();		CCamera();
~CCamera();		~CCamera();

// Methods for projection
void SetProjection(float nearp, float farp, float fov);
void SetProjection(const CMatrix3D& matrix) { m_ProjMat = matrix; }
void SetProjectionTile(int tiles, int tile_x, int tile_y);
CMatrix3D& GetProjection() { return m_ProjMat; }		CMatrix3D& GetProjection() { return m_ProjMat; }
const CMatrix3D& GetProjection() const { return m_ProjMat; }		const CMatrix3D& GetProjection() const { return m_ProjMat; }
		CMatrix3D GetViewProjection() const { return m_ProjMat * m_Orientation.GetInverse(); }
		void SetProjection(const CMatrix3D& matrix) { m_ProjMat = matrix; }
		void SetPerspectiveProjection(float nearp, float farp, float fov);
		void SetPerspectiveProjectionTile(int tiles, int tile_x, int tile_y);

CMatrix3D& GetOrientation() { return m_Orientation; }		CMatrix3D& GetOrientation() { return m_Orientation; }
const CMatrix3D& GetOrientation() const { return m_Orientation; }		const CMatrix3D& GetOrientation() const { return m_Orientation; }

CMatrix3D GetViewProjection() const { return m_ProjMat * m_Orientation.GetInverse(); }

// Updates the frustum planes. Should be called		// Updates the frustum planes. Should be called
// everytime the view or projection matrices are		// everytime the view or projection matrices are
// altered.		// altered.
void UpdateFrustum(const CBoundingBoxAligned& scissor = CBoundingBoxAligned(CVector3D(-1.0f, -1.0f, -1.0f), CVector3D(1.0f, 1.0f, 1.0f)));		void UpdateFrustum(const CBoundingBoxAligned& scissor = CBoundingBoxAligned(CVector3D(-1.0f, -1.0f, -1.0f), CVector3D(1.0f, 1.0f, 1.0f)));
void ClipFrustum(const CPlane& clipPlane);		void ClipFrustum(const CPlane& clipPlane);
const CFrustum& GetFrustum() const { return m_ViewFrustum; }		const CFrustum& GetFrustum() const { return m_ViewFrustum; }

void SetViewPort(const SViewPort& viewport);		void SetViewPort(const SViewPort& viewport);
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*/		*/
void Render(int intermediates = 0) const;		void Render(int intermediates = 0) const;

public:		public:
// This is the orientation matrix. The inverse of this		// This is the orientation matrix. The inverse of this
// is the view matrix		// is the view matrix
CMatrix3D m_Orientation;		CMatrix3D m_Orientation;

// Should not be tweaked externally if possible		private:
CMatrix3D m_ProjMat;		CMatrix3D m_ProjMat;

private:
float m_NearPlane;		float m_NearPlane;
float m_FarPlane;		float m_FarPlane;
float m_FOV;		float m_FOV;
SViewPort m_ViewPort;		SViewPort m_ViewPort;

CFrustum m_ViewFrustum;		CFrustum m_ViewFrustum;
};		};

#endif // INCLUDED_CAMERA		#endif // INCLUDED_CAMERA