Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Workfile: $
// $Date: $
// $NoKeywords: $
//=============================================================================//
#if !defined( VIEW_H )
#define VIEW_H
#ifdef _WIN32
#pragma once
#endif
#if _DEBUG
extern bool g_bRenderingCameraView; // For debugging (frustum fix for cameras)...
#endif
class VMatrix;
class Vector;
class QAngle;
class VPlane;
// near and far Z it uses to render the world.
#define VIEW_NEARZ 3
//#define VIEW_FARZ 28400
//-----------------------------------------------------------------------------
// There's a difference between the 'current view' and the 'main view'
// The 'main view' is where the player is sitting. Current view is just
// what's currently being rendered, which, owing to monitors or water,
// could be just about anywhere.
//-----------------------------------------------------------------------------
const Vector &MainViewOrigin();
const QAngle &MainViewAngles();
const Vector &PrevMainViewOrigin();
const QAngle &PrevMainViewAngles();
const VMatrix &MainWorldToViewMatrix();
const Vector &MainViewForward();
const Vector &MainViewRight();
const Vector &MainViewUp();
const Vector &CurrentViewOrigin();
const QAngle &CurrentViewAngles();
const VMatrix &CurrentWorldToViewMatrix();
const Vector &CurrentViewForward();
const Vector &CurrentViewRight();
const Vector &CurrentViewUp();
void AllowCurrentViewAccess( bool allow );
bool IsCurrentViewAccessAllowed();
// Returns true of the sphere is outside the frustum defined by pPlanes.
// (planes point inwards).
bool R_CullSphere( const VPlane *pPlanes, int nPlanes, const Vector *pCenter, float radius );
float ScaleFOVByWidthRatio( float fovDegrees, float ratio );
extern ConVar mat_wireframe;
extern const ConVar *sv_cheats;
static inline int WireFrameMode( void )
{
if ( !sv_cheats )
{
sv_cheats = cvar->FindVar( "sv_cheats" );
}
if ( sv_cheats && sv_cheats->GetBool() )
return mat_wireframe.GetInt();
else
return 0;
}
static inline bool ShouldDrawInWireFrameMode( void )
{
if ( !sv_cheats )
{
sv_cheats = cvar->FindVar( "sv_cheats" );
}
if ( sv_cheats && sv_cheats->GetBool() )
return ( mat_wireframe.GetInt() != 0 );
else
return false;
}
void ComputeCameraVariables( const Vector &vecOrigin, const QAngle &vecAngles, Vector *pVecForward, Vector *pVecRight, Vector *pVecUp, VMatrix *pMatCamInverse );
#endif // VIEW_H