mirror of
https://github.com/nillerusr/source-engine.git
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95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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// $NoKeywords: $
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//=============================================================================//
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#if !defined( VIEW_H )
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#define VIEW_H
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#ifdef _WIN32
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#pragma once
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#endif
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#if _DEBUG
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extern bool g_bRenderingCameraView; // For debugging (frustum fix for cameras)...
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#endif
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class VMatrix;
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class Vector;
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class QAngle;
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class VPlane;
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// near and far Z it uses to render the world.
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#define VIEW_NEARZ 3
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//#define VIEW_FARZ 28400
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//-----------------------------------------------------------------------------
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// There's a difference between the 'current view' and the 'main view'
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// The 'main view' is where the player is sitting. Current view is just
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// what's currently being rendered, which, owing to monitors or water,
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// could be just about anywhere.
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//-----------------------------------------------------------------------------
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const Vector &MainViewOrigin();
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const QAngle &MainViewAngles();
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const Vector &PrevMainViewOrigin();
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const QAngle &PrevMainViewAngles();
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const VMatrix &MainWorldToViewMatrix();
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const Vector &MainViewForward();
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const Vector &MainViewRight();
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const Vector &MainViewUp();
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const Vector &CurrentViewOrigin();
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const QAngle &CurrentViewAngles();
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const VMatrix &CurrentWorldToViewMatrix();
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const Vector &CurrentViewForward();
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const Vector &CurrentViewRight();
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const Vector &CurrentViewUp();
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void AllowCurrentViewAccess( bool allow );
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bool IsCurrentViewAccessAllowed();
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// Returns true of the sphere is outside the frustum defined by pPlanes.
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// (planes point inwards).
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bool R_CullSphere( const VPlane *pPlanes, int nPlanes, const Vector *pCenter, float radius );
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float ScaleFOVByWidthRatio( float fovDegrees, float ratio );
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extern ConVar mat_wireframe;
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extern const ConVar *sv_cheats;
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static inline int WireFrameMode( void )
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{
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if ( !sv_cheats )
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{
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sv_cheats = cvar->FindVar( "sv_cheats" );
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}
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if ( sv_cheats && sv_cheats->GetBool() )
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return mat_wireframe.GetInt();
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else
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return 0;
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}
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static inline bool ShouldDrawInWireFrameMode( void )
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{
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if ( !sv_cheats )
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{
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sv_cheats = cvar->FindVar( "sv_cheats" );
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}
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if ( sv_cheats && sv_cheats->GetBool() )
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return ( mat_wireframe.GetInt() != 0 );
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else
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return false;
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}
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void ComputeCameraVariables( const Vector &vecOrigin, const QAngle &vecAngles, Vector *pVecForward, Vector *pVecRight, Vector *pVecUp, VMatrix *pMatCamInverse );
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#endif // VIEW_H
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