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:
//
//=============================================================================//
#include "cbase.h"
#include "igamesystem.h"
#include "entitylist.h"
#include "SkyCamera.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
// automatically hooks in the system's callbacks
CEntityClassList<CSkyCamera> g_SkyList;
template <> CSkyCamera *CEntityClassList<CSkyCamera>::m_pClassList = NULL;
//-----------------------------------------------------------------------------
// Retrives the current skycamera
//-----------------------------------------------------------------------------
CSkyCamera* GetCurrentSkyCamera()
{
return g_SkyList.m_pClassList;
}
CSkyCamera* GetSkyCameraList()
{
return g_SkyList.m_pClassList;
}
//=============================================================================
LINK_ENTITY_TO_CLASS( sky_camera, CSkyCamera );
BEGIN_DATADESC( CSkyCamera )
DEFINE_KEYFIELD( m_skyboxData.scale, FIELD_INTEGER, "scale" ),
DEFINE_FIELD( m_skyboxData.origin, FIELD_VECTOR ),
DEFINE_FIELD( m_skyboxData.area, FIELD_INTEGER ),
// Quiet down classcheck
// DEFINE_FIELD( m_skyboxData, sky3dparams_t ),
// This is re-set up in the constructor
// DEFINE_FIELD( m_pNext, CSkyCamera ),
// fog data for 3d skybox
DEFINE_KEYFIELD( m_bUseAngles, FIELD_BOOLEAN, "use_angles" ),
DEFINE_KEYFIELD( m_skyboxData.fog.enable, FIELD_BOOLEAN, "fogenable" ),
DEFINE_KEYFIELD( m_skyboxData.fog.blend, FIELD_BOOLEAN, "fogblend" ),
DEFINE_KEYFIELD( m_skyboxData.fog.dirPrimary, FIELD_VECTOR, "fogdir" ),
DEFINE_KEYFIELD( m_skyboxData.fog.colorPrimary, FIELD_COLOR32, "fogcolor" ),
DEFINE_KEYFIELD( m_skyboxData.fog.colorSecondary, FIELD_COLOR32, "fogcolor2" ),
DEFINE_KEYFIELD( m_skyboxData.fog.start, FIELD_FLOAT, "fogstart" ),
DEFINE_KEYFIELD( m_skyboxData.fog.end, FIELD_FLOAT, "fogend" ),
DEFINE_KEYFIELD( m_skyboxData.fog.maxdensity, FIELD_FLOAT, "fogmaxdensity" ),
END_DATADESC()
//-----------------------------------------------------------------------------
// List of maps in HL2 that we must apply our skybox fog fixup hack to
//-----------------------------------------------------------------------------
static const char *s_pBogusFogMaps[] =
{
"d1_canals_01",
"d1_canals_01a",
"d1_canals_02",
"d1_canals_03",
"d1_canals_09",
"d1_canals_10",
"d1_canals_11",
"d1_canals_12",
"d1_canals_13",
"d1_eli_01",
"d1_trainstation_01",
"d1_trainstation_03",
"d1_trainstation_04",
"d1_trainstation_05",
"d1_trainstation_06",
"d3_c17_04",
"d3_c17_11",
"d3_c17_12",
"d3_citadel_01",
NULL
};
//-----------------------------------------------------------------------------
// Constructor, destructor
//-----------------------------------------------------------------------------
CSkyCamera::CSkyCamera()
{
g_SkyList.Insert( this );
m_skyboxData.fog.maxdensity = 1.0f;
}
CSkyCamera::~CSkyCamera()
{
g_SkyList.Remove( this );
}
void CSkyCamera::Spawn( void )
{
m_skyboxData.origin = GetLocalOrigin();
m_skyboxData.area = engine->GetArea( m_skyboxData.origin );
Precache();
}
//-----------------------------------------------------------------------------
// Activate!
//-----------------------------------------------------------------------------
void CSkyCamera::Activate( )
{
BaseClass::Activate();
if ( m_bUseAngles )
{
AngleVectors( GetAbsAngles(), &m_skyboxData.fog.dirPrimary.GetForModify() );
m_skyboxData.fog.dirPrimary.GetForModify() *= -1.0f;
}
#ifdef HL2_DLL
// NOTE! This is a hack. There was a bug in the skybox fog computation
// on the client DLL that caused it to use the average of the primary and
// secondary fog color when blending was enabled. The bug is fixed, but to make
// the maps look the same as before the bug fix without having to download new maps,
// I have to cheat here and slam the primary and secondary colors to be the average of
// the primary and secondary colors.
if ( m_skyboxData.fog.blend )
{
for ( int i = 0; s_pBogusFogMaps[i]; ++i )
{
if ( !Q_stricmp( s_pBogusFogMaps[i], STRING(gpGlobals->mapname) ) )
{
m_skyboxData.fog.colorPrimary.SetR( ( m_skyboxData.fog.colorPrimary.GetR() + m_skyboxData.fog.colorSecondary.GetR() ) * 0.5f );
m_skyboxData.fog.colorPrimary.SetG( ( m_skyboxData.fog.colorPrimary.GetG() + m_skyboxData.fog.colorSecondary.GetG() ) * 0.5f );
m_skyboxData.fog.colorPrimary.SetB( ( m_skyboxData.fog.colorPrimary.GetB() + m_skyboxData.fog.colorSecondary.GetB() ) * 0.5f );
m_skyboxData.fog.colorPrimary.SetA( ( m_skyboxData.fog.colorPrimary.GetA() + m_skyboxData.fog.colorSecondary.GetA() ) * 0.5f );
m_skyboxData.fog.colorSecondary = m_skyboxData.fog.colorPrimary;
}
}
}
#endif
}