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:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "glow_overlay.h"
#include "view.h"
#include "c_pixel_visibility.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
class C_LightGlowOverlay : public CGlowOverlay
{
public:
virtual void CalcSpriteColorAndSize( float flDot, CGlowSprite *pSprite, float *flHorzSize, float *flVertSize, Vector *vColor )
{
*flHorzSize = pSprite->m_flHorzSize;
*flVertSize = pSprite->m_flVertSize;
Vector viewDir = ( CurrentViewOrigin() - m_vecOrigin );
float distToViewer = VectorNormalize( viewDir );
if ( m_bOneSided )
{
if ( DotProduct( viewDir, m_vecDirection ) < 0.0f )
{
*vColor = Vector(0,0,0);
return;
}
}
float fade;
// See if we're in the outer fade distance range
if ( m_nOuterMaxDist > m_nMaxDist && distToViewer > m_nMaxDist )
{
fade = RemapValClamped( distToViewer, m_nMaxDist, m_nOuterMaxDist, 1.0f, 0.0f );
}
else
{
fade = RemapValClamped( distToViewer, m_nMinDist, m_nMaxDist, 0.0f, 1.0f );
}
*vColor = pSprite->m_vColor * fade * m_flGlowObstructionScale;
}
void SetOrigin( const Vector &origin ) { m_vecOrigin = origin; }
void SetFadeDistances( int minDist, int maxDist, int outerMaxDist )
{
m_nMinDist = minDist;
m_nMaxDist = maxDist;
m_nOuterMaxDist = outerMaxDist;
}
void SetOneSided( bool state = true ) { m_bOneSided = state; }
void SetModulateByDot( bool state = true ) { m_bModulateByDot = state; }
void SetDirection( const Vector &dir ) { m_vecDirection = dir; VectorNormalize( m_vecDirection ); }
protected:
Vector m_vecOrigin;
Vector m_vecDirection;
int m_nMinDist;
int m_nMaxDist;
int m_nOuterMaxDist;
bool m_bOneSided;
bool m_bModulateByDot;
};
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
class C_LightGlow : public C_BaseEntity
{
public:
DECLARE_CLASS( C_LightGlow, C_BaseEntity );
DECLARE_CLIENTCLASS();
C_LightGlow();
// C_BaseEntity overrides.
public:
virtual void OnDataChanged( DataUpdateType_t updateType );
virtual void Simulate( void );
virtual void ClientThink( void );
public:
int m_nHorizontalSize;
int m_nVerticalSize;
int m_nMinDist;
int m_nMaxDist;
int m_nOuterMaxDist;
int m_spawnflags;
C_LightGlowOverlay m_Glow;
float m_flGlowProxySize;
};
static void RecvProxy_HDRColorScale( const CRecvProxyData *pData, void *pStruct, void *pOut )
{
C_LightGlow *pLightGlow = ( C_LightGlow * )pStruct;
pLightGlow->m_Glow.m_flHDRColorScale = pData->m_Value.m_Float;
}
IMPLEMENT_CLIENTCLASS_DT_NOBASE( C_LightGlow, DT_LightGlow, CLightGlow )
RecvPropInt( RECVINFO(m_clrRender), 0, RecvProxy_IntToColor32 ),
RecvPropInt( RECVINFO( m_nHorizontalSize ) ),
RecvPropInt( RECVINFO( m_nVerticalSize ) ),
RecvPropInt( RECVINFO( m_nMinDist ) ),
RecvPropInt( RECVINFO( m_nMaxDist ) ),
RecvPropInt( RECVINFO( m_nOuterMaxDist ) ),
RecvPropInt( RECVINFO( m_spawnflags ) ),
RecvPropVector( RECVINFO_NAME( m_vecNetworkOrigin, m_vecOrigin ) ),
RecvPropQAngles( RECVINFO_NAME( m_angNetworkAngles, m_angRotation ) ),
RecvPropInt( RECVINFO_NAME(m_hNetworkMoveParent, moveparent), 0, RecvProxy_IntToMoveParent ),
RecvPropFloat(RECVINFO(m_flGlowProxySize)),
RecvPropFloat("HDRColorScale", 0, SIZEOF_IGNORE, 0, RecvProxy_HDRColorScale),
END_RECV_TABLE()
//-----------------------------------------------------------------------------
// Constructor
//-----------------------------------------------------------------------------
C_LightGlow::C_LightGlow() :
m_nHorizontalSize( 0 ), m_nVerticalSize( 0 ), m_nMinDist( 0 ), m_nMaxDist( 0 )
{
m_Glow.m_bDirectional = false;
m_Glow.m_bInSky = false;
}
void C_LightGlow::Simulate( void )
{
BaseClass::Simulate();
m_Glow.m_vPos = GetAbsOrigin();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : updateType -
//-----------------------------------------------------------------------------
void C_LightGlow::OnDataChanged( DataUpdateType_t updateType )
{
BaseClass::OnDataChanged( updateType );
m_Glow.m_vPos = GetAbsOrigin();
if ( updateType == DATA_UPDATE_CREATED )
{
// Setup our flare.
Vector vColor(
m_clrRender->r / 255.0f,
m_clrRender->g / 255.0f,
m_clrRender->b / 255.0f );
m_Glow.m_nSprites = 1;
m_Glow.m_Sprites[0].m_flVertSize = (float) m_nVerticalSize;
m_Glow.m_Sprites[0].m_flHorzSize = (float) m_nHorizontalSize;
m_Glow.m_Sprites[0].m_vColor = vColor;
m_Glow.SetOrigin( GetAbsOrigin() );
m_Glow.SetFadeDistances( m_nMinDist, m_nMaxDist, m_nOuterMaxDist );
m_Glow.m_flProxyRadius = m_flGlowProxySize;
if ( m_spawnflags & SF_LIGHTGLOW_DIRECTIONAL )
{
m_Glow.SetOneSided();
}
SetNextClientThink( gpGlobals->curtime + RandomFloat(0,3.0) );
}
else if ( updateType == DATA_UPDATE_DATATABLE_CHANGED ) //Right now only color should change.
{
// Setup our flare.
Vector vColor(
m_clrRender->r / 255.0f,
m_clrRender->g / 255.0f,
m_clrRender->b / 255.0f );
m_Glow.m_Sprites[0].m_vColor = vColor;
}
Vector forward;
AngleVectors( GetAbsAngles(), &forward, NULL, NULL );
m_Glow.SetDirection( forward );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_LightGlow::ClientThink( void )
{
Vector mins = GetAbsOrigin();
if ( engine->IsBoxVisible( mins, mins ) )
{
m_Glow.Activate();
}
else
{
m_Glow.Deactivate();
}
SetNextClientThink( gpGlobals->curtime + RandomFloat(1.0,3.0) );
}