278 lines
7.8 KiB
C++
278 lines
7.8 KiB
C++
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Implements the server side of a steam jet particle system entity.
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "smokestack.h"
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#include "particle_light.h"
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#include "filesystem.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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//Networking
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IMPLEMENT_SERVERCLASS_ST(CSmokeStack, DT_SmokeStack)
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SendPropFloat(SENDINFO(m_SpreadSpeed), 0, SPROP_NOSCALE),
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SendPropFloat(SENDINFO(m_Speed), 0, SPROP_NOSCALE),
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SendPropFloat(SENDINFO(m_StartSize), 0, SPROP_NOSCALE),
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SendPropFloat(SENDINFO(m_EndSize), 0, SPROP_NOSCALE),
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SendPropFloat(SENDINFO(m_Rate), 0, SPROP_NOSCALE),
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SendPropFloat(SENDINFO(m_JetLength), 0, SPROP_NOSCALE),
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SendPropInt(SENDINFO(m_bEmit), 1, SPROP_UNSIGNED),
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SendPropFloat(SENDINFO(m_flBaseSpread), 0, SPROP_NOSCALE),
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SendPropFloat(SENDINFO( m_flRollSpeed ), 0, SPROP_NOSCALE ),
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// Note: the base color is specified in the smokestack entity, but the directional
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// and ambient light must come from env_particlelight entities.
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SendPropVector( SENDINFO_NOCHECK(m_DirLight.m_vPos), 0, SPROP_NOSCALE ),
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SendPropVector( SENDINFO_NOCHECK(m_DirLight.m_vColor), 0, SPROP_NOSCALE ),
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SendPropFloat( SENDINFO_NOCHECK(m_DirLight.m_flIntensity), 0, SPROP_NOSCALE ),
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SendPropVector( SENDINFO_NOCHECK(m_AmbientLight.m_vPos), 0, SPROP_NOSCALE ),
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SendPropVector( SENDINFO_NOCHECK(m_AmbientLight.m_vColor), 0, SPROP_NOSCALE ),
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SendPropFloat( SENDINFO_NOCHECK(m_AmbientLight.m_flIntensity), 0, SPROP_NOSCALE ),
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SendPropVector(SENDINFO(m_vWind), 0, SPROP_NOSCALE),
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SendPropFloat(SENDINFO(m_flTwist), 0, SPROP_NOSCALE),
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SendPropIntWithMinusOneFlag( SENDINFO(m_iMaterialModel), 16 )
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END_SEND_TABLE()
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LINK_ENTITY_TO_CLASS( env_smokestack, CSmokeStack );
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//Save/restore
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BEGIN_SIMPLE_DATADESC( CSmokeStackLightInfo )
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DEFINE_FIELD( m_vPos, FIELD_POSITION_VECTOR ),
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DEFINE_FIELD( m_vColor, FIELD_VECTOR ),
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DEFINE_FIELD( m_flIntensity, FIELD_FLOAT ),
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END_DATADESC()
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BEGIN_DATADESC( CSmokeStack )
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//Keyvalue fields
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DEFINE_KEYFIELD( m_StartSize, FIELD_FLOAT, "StartSize" ),
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DEFINE_KEYFIELD( m_EndSize, FIELD_FLOAT, "EndSize" ),
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DEFINE_KEYFIELD( m_InitialState, FIELD_BOOLEAN, "InitialState" ),
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DEFINE_KEYFIELD( m_flBaseSpread, FIELD_FLOAT, "BaseSpread" ),
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DEFINE_KEYFIELD( m_flTwist, FIELD_FLOAT, "Twist" ),
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DEFINE_KEYFIELD( m_flRollSpeed, FIELD_FLOAT, "Roll" ),
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DEFINE_FIELD( m_strMaterialModel, FIELD_STRING ),
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DEFINE_FIELD( m_iMaterialModel,FIELD_INTEGER ),
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DEFINE_EMBEDDED( m_AmbientLight ),
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DEFINE_EMBEDDED( m_DirLight ),
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DEFINE_KEYFIELD( m_WindAngle, FIELD_INTEGER, "WindAngle" ),
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DEFINE_KEYFIELD( m_WindSpeed, FIELD_INTEGER, "WindSpeed" ),
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//Regular fields
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DEFINE_FIELD( m_vWind, FIELD_VECTOR ),
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DEFINE_FIELD( m_bEmit, FIELD_INTEGER ),
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// Inputs
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DEFINE_INPUT( m_JetLength, FIELD_FLOAT, "JetLength" ),
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DEFINE_INPUT( m_SpreadSpeed, FIELD_FLOAT, "SpreadSpeed" ),
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DEFINE_INPUT( m_Speed, FIELD_FLOAT, "Speed" ),
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DEFINE_INPUT( m_Rate, FIELD_FLOAT, "Rate" ),
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DEFINE_INPUTFUNC( FIELD_VOID, "TurnOn", InputTurnOn ),
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DEFINE_INPUTFUNC( FIELD_VOID, "TurnOff", InputTurnOff ),
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DEFINE_INPUTFUNC( FIELD_VOID, "Toggle", InputToggle ),
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END_DATADESC()
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//-----------------------------------------------------------------------------
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// Purpose: Called before spawning, after key values have been set.
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//-----------------------------------------------------------------------------
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CSmokeStack::CSmokeStack()
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{
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memset( &m_AmbientLight, 0, sizeof(m_AmbientLight) );
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memset( &m_DirLight, 0, sizeof(m_DirLight) );
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IMPLEMENT_NETWORKVAR_CHAIN( &m_AmbientLight );
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IMPLEMENT_NETWORKVAR_CHAIN( &m_DirLight );
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m_flTwist = 0;
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SetRenderColor( 0, 0, 0 );
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SetRenderAlpha( 255 );
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m_vWind.GetForModify().Init();
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m_WindAngle = m_WindSpeed = 0;
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m_iMaterialModel = -1;
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m_flRollSpeed = 0.0f;
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}
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CSmokeStack::~CSmokeStack()
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{
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}
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void CSmokeStack::Spawn( void )
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{
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if ( m_InitialState )
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{
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m_bEmit = true;
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}
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}
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void CSmokeStack::Activate()
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{
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DetectInSkybox();
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bool bGotDirLight = false;
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// Find local lights.
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CBaseEntity *pTestEnt = NULL;
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while ( 1 )
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{
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pTestEnt = gEntList.FindEntityByClassname( pTestEnt, PARTICLELIGHT_ENTNAME );
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if ( !pTestEnt )
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break;
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CParticleLight *pLight = (CParticleLight*)pTestEnt;
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if( !FStrEq( STRING(GetEntityName()), STRING(pLight->m_PSName) ) )
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continue;
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CSmokeStackLightInfo *pInfo = &m_AmbientLight;
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if ( pLight->m_bDirectional )
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{
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bGotDirLight = true;
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pInfo = &m_DirLight;
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}
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pInfo->m_flIntensity = pLight->m_flIntensity;
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pInfo->m_vColor = pLight->m_vColor;
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pInfo->m_vPos = pLight->GetAbsOrigin();
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}
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// Put our light colors in 0-1 space.
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m_AmbientLight.m_vColor.GetForModify() /= 255.0f;
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m_DirLight.m_vColor.GetForModify() /= 255.0f;
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BaseClass::Activate();
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// Legacy support..
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if ( m_iMaterialModel == -1 )
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m_iMaterialModel = PrecacheModel( "particle/SmokeStack.vmt" );
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}
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bool CSmokeStack::KeyValue( const char *szKeyName, const char *szValue )
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{
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if( stricmp( szKeyName, "Wind" ) == 0 )
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{
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sscanf( szValue, "%f %f %f", &m_vWind.GetForModify().x, &m_vWind.GetForModify().y, &m_vWind.GetForModify().z );
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return true;
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}
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else if( stricmp( szKeyName, "WindAngle" ) == 0 )
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{
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m_WindAngle = atoi( szValue );
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RecalcWindVector();
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return true;
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}
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else if( stricmp( szKeyName, "WindSpeed" ) == 0 )
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{
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m_WindSpeed = atoi( szValue );
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RecalcWindVector();
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return true;
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}
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else if ( stricmp( szKeyName, "SmokeMaterial" ) == 0 )
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{
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// Make sure we have a vmt extension.
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if ( Q_stristr( szValue, ".vmt" ) )
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{
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m_strMaterialModel = AllocPooledString( szValue );
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}
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else
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{
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char str[512];
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Q_snprintf( str, sizeof( str ), "%s.vmt", szValue );
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m_strMaterialModel = AllocPooledString( str );
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}
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const char *pName = STRING( m_strMaterialModel );
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char szStrippedName[512];
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m_iMaterialModel = PrecacheModel( pName );
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Q_StripExtension( pName, szStrippedName, Q_strlen(pName)+1 );
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int iLength = Q_strlen( szStrippedName );
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szStrippedName[iLength-1] = '\0';
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int iCount = 1;
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char str[512];
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Q_snprintf( str, sizeof( str ), "%s%d.vmt", szStrippedName, iCount );
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while ( filesystem->FileExists( UTIL_VarArgs( "materials/%s", str ) ) )
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{
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PrecacheModel( str );
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iCount++;
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Q_snprintf( str, sizeof( str ), "%s%d.vmt", szStrippedName, iCount );
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}
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return true;
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}
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else
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{
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return BaseClass::KeyValue( szKeyName, szValue );
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}
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}
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void CSmokeStack::Precache()
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{
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m_iMaterialModel = PrecacheModel( STRING( m_strMaterialModel ) );
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BaseClass::Precache();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Input handler for toggling the steam jet on/off.
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//-----------------------------------------------------------------------------
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void CSmokeStack::InputToggle( inputdata_t &inputdata )
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{
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m_bEmit = !m_bEmit;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Input handler for turning on the steam jet.
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//-----------------------------------------------------------------------------
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void CSmokeStack::InputTurnOn( inputdata_t &inputdata )
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{
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m_bEmit = true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Input handler for turning off the steam jet.
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//-----------------------------------------------------------------------------
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void CSmokeStack::InputTurnOff( inputdata_t &inputdata )
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{
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m_bEmit = false;
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}
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void CSmokeStack::RecalcWindVector()
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{
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m_vWind = Vector(
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cos( DEG2RAD( (float)m_WindAngle ) ) * m_WindSpeed,
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sin( DEG2RAD( (float)m_WindAngle ) ) * m_WindSpeed,
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0 );
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}
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