mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-24 09:58:46 +00:00
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#ifndef NL_VIEWPORT_H
|
|
#define NL_VIEWPORT_H
|
|
|
|
#include "nel/misc/types_nl.h"
|
|
#include "nel/misc/vector.h"
|
|
#include "nel/misc/matrix.h"
|
|
#include "nel/3d/frustum.h"
|
|
|
|
#ifdef _X
|
|
# undef _X
|
|
#endif
|
|
|
|
namespace NL3D
|
|
{
|
|
|
|
using NLMISC::CVector;
|
|
using NLMISC::CMatrix;
|
|
|
|
|
|
|
|
/**
|
|
* CViewport is the description of the viewport used to render with a driver
|
|
*
|
|
*/
|
|
/* *** IMPORTANT ********************
|
|
* *** IF YOU MODIFY THE STRUCTURE OF THIS CLASS, PLEASE INCREMENT IDriver::InterfaceVersion TO INVALIDATE OLD DRIVER DLL
|
|
* **********************************
|
|
*/
|
|
class CViewport
|
|
{
|
|
public:
|
|
|
|
/// Default constructor. Setup a fullscreen viewport
|
|
CViewport ();
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* \param x coordinate of the left edge of the viewport in the window coordinate system . Must be between 0.f and 1.f.
|
|
* \param y coordinate of the bottom edge of the viewport in the window coordinate system . Must be between 0.f and 1.f.
|
|
* \param width of the view port. Must be between 0.f and 1.f-x.
|
|
* \param height of the view port. Must be between 0.f and 1.f-y.
|
|
*/
|
|
void init (float x, float y, float width, float height);
|
|
|
|
/// Setup a fullscreen viewport.
|
|
void initFullScreen ();
|
|
|
|
/// Setup a 16/9 viewport.
|
|
void init16_9 ();
|
|
|
|
/** Get a 3d ray with a 2d point
|
|
*
|
|
* \param x is the x coordinate in the window coordinate system of the 2d point.
|
|
* \param y is the y coordinate in the window coordinate system of the 2d point.
|
|
* \param pos gets the position of a 3d point on the ray. It is also the position of the camera
|
|
* \param dir gets the direction of the ray. The direction is the same than the camera one. It is NOT normalized.
|
|
* \param camMatrix is the matrix of the camera in use in this viewport.
|
|
* \param camFrust is the frustum of the camera in use in this viewport.
|
|
*/
|
|
void getRayWithPoint (float x, float y, CVector& pos, CVector& dir, const CMatrix& camMatrix, const CFrustum& camFrust) const;
|
|
|
|
/** Get the viewport values
|
|
*
|
|
* \param x get the x coordinate of the left edge of the viewport in the window coordinate system . Must be between 0.f and 1.f.
|
|
* \param y get the y coordinate of the bottom edge of the viewport in the window coordinate system . Must be between 0.f and 1.f.
|
|
* \param width get the width of the view port. Must be between 0.f and 1.f-x.
|
|
* \param height get the height of the view port. Must be between 0.f and 1.f-y.
|
|
*/
|
|
void getValues (float& x, float& y, float& width, float& height) const
|
|
{
|
|
x=_X;
|
|
y=_Y;
|
|
width=_Width;
|
|
height=_Height;
|
|
}
|
|
|
|
float getX() const { return _X; }
|
|
float getY() const { return _Y; }
|
|
float getWidth() const { return _Width; }
|
|
float getHeight() const { return _Height; }
|
|
|
|
|
|
private:
|
|
float _X;
|
|
float _Y;
|
|
float _Width;
|
|
float _Height;
|
|
};
|
|
|
|
|
|
} // NL3D
|
|
|
|
|
|
#endif // NL_VIEWPORT_H
|
|
|
|
/* End of viewport.h */
|