338 lines
15 KiB
C++
338 lines
15 KiB
C++
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//====== Copyright © 1996-2005, Valve Corporation, All rights reserved. =======
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//
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// Purpose: An entity that spawns and controls a particle system
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//
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//=============================================================================
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#include "cbase.h"
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#include "particles/particles.h"
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#include "networkstringtable_gamedll.h"
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#include "particle_system.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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extern void SendProxy_Origin( const SendProp *pProp, const void *pStruct, const void *pData, DVariant *pOut, int iElement, int objectID );
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extern void SendProxy_Angles( const SendProp *pProp, const void *pStruct, const void *pData, DVariant *pOut, int iElement, int objectID );
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// Stripped down CBaseEntity send table
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IMPLEMENT_SERVERCLASS_ST_NOBASE(CParticleSystem, DT_ParticleSystem)
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SendPropVector (SENDINFO(m_vecOrigin), -1, SPROP_COORD|SPROP_CHANGES_OFTEN, 0.0f, HIGH_DEFAULT, SendProxy_Origin ),
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SendPropEHandle (SENDINFO(m_hOwnerEntity)),
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SendPropEHandle (SENDINFO_NAME(m_hMoveParent, moveparent)),
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SendPropInt (SENDINFO(m_iParentAttachment), NUM_PARENTATTACHMENT_BITS, SPROP_UNSIGNED),
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SendPropQAngles (SENDINFO(m_angRotation), 13, SPROP_CHANGES_OFTEN, SendProxy_Angles ),
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SendPropInt( SENDINFO(m_iEffectIndex), MAX_PARTICLESYSTEMS_STRING_BITS, SPROP_UNSIGNED ),
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SendPropBool( SENDINFO(m_bActive) ),
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SendPropInt( SENDINFO( m_nStopType ), Q_log2(CParticleSystem::NUM_STOP_TYPES)+1, SPROP_UNSIGNED ),
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SendPropFloat( SENDINFO(m_flStartTime) ),
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SendPropString( SENDINFO(m_szSnapshotFileName) ),
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SendPropArray3( SENDINFO_ARRAY3(m_vServerControlPoints), SendPropVector(SENDINFO_ARRAY(m_vServerControlPoints)) ),
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SendPropArray3( SENDINFO_ARRAY3(m_iServerControlPointAssignments), SendPropInt(SENDINFO_ARRAY(m_iServerControlPointAssignments), -1, SPROP_UNSIGNED ) ),
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SendPropArray3( SENDINFO_ARRAY3(m_hControlPointEnts), SendPropEHandle( SENDINFO_ARRAY(m_hControlPointEnts) ) ),
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SendPropArray3( SENDINFO_ARRAY3(m_iControlPointParents), SendPropInt( SENDINFO_ARRAY(m_iControlPointParents), 3, SPROP_UNSIGNED ) ),
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END_SEND_TABLE()
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BEGIN_DATADESC( CParticleSystem )
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DEFINE_KEYFIELD( m_bStartActive, FIELD_BOOLEAN, "start_active" ),
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DEFINE_FIELD( m_bActive, FIELD_BOOLEAN ),
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DEFINE_FIELD( m_flStartTime, FIELD_TIME ),
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DEFINE_ARRAY( m_vServerControlPoints, FIELD_VECTOR, CParticleSystem::kSERVERCONTROLLEDPOINTS ),
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DEFINE_ARRAY( m_iServerControlPointAssignments, FIELD_CHARACTER, CParticleSystem::kSERVERCONTROLLEDPOINTS ),
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DEFINE_KEYFIELD( m_iszEffectName, FIELD_STRING, "effect_name" ),
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//DEFINE_FIELD( m_iEffectIndex, FIELD_INTEGER ), // Don't save. Refind after loading.
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DEFINE_AUTO_ARRAY_KEYFIELD( m_szSnapshotFileName, FIELD_CHARACTER, "snapshot_file" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[0], FIELD_STRING, "cpoint1" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[1], FIELD_STRING, "cpoint2" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[2], FIELD_STRING, "cpoint3" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[3], FIELD_STRING, "cpoint4" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[4], FIELD_STRING, "cpoint5" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[5], FIELD_STRING, "cpoint6" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[6], FIELD_STRING, "cpoint7" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[7], FIELD_STRING, "cpoint8" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[8], FIELD_STRING, "cpoint9" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[9], FIELD_STRING, "cpoint10" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[10], FIELD_STRING, "cpoint11" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[11], FIELD_STRING, "cpoint12" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[12], FIELD_STRING, "cpoint13" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[13], FIELD_STRING, "cpoint14" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[14], FIELD_STRING, "cpoint15" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[15], FIELD_STRING, "cpoint16" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[16], FIELD_STRING, "cpoint17" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[17], FIELD_STRING, "cpoint18" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[18], FIELD_STRING, "cpoint19" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[19], FIELD_STRING, "cpoint20" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[20], FIELD_STRING, "cpoint21" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[21], FIELD_STRING, "cpoint22" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[22], FIELD_STRING, "cpoint23" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[23], FIELD_STRING, "cpoint24" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[24], FIELD_STRING, "cpoint25" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[25], FIELD_STRING, "cpoint26" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[26], FIELD_STRING, "cpoint27" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[27], FIELD_STRING, "cpoint28" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[28], FIELD_STRING, "cpoint29" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[29], FIELD_STRING, "cpoint30" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[30], FIELD_STRING, "cpoint31" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[31], FIELD_STRING, "cpoint32" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[32], FIELD_STRING, "cpoint33" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[33], FIELD_STRING, "cpoint34" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[34], FIELD_STRING, "cpoint35" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[35], FIELD_STRING, "cpoint36" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[36], FIELD_STRING, "cpoint37" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[37], FIELD_STRING, "cpoint38" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[38], FIELD_STRING, "cpoint39" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[39], FIELD_STRING, "cpoint40" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[40], FIELD_STRING, "cpoint41" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[41], FIELD_STRING, "cpoint42" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[42], FIELD_STRING, "cpoint43" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[43], FIELD_STRING, "cpoint44" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[44], FIELD_STRING, "cpoint45" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[45], FIELD_STRING, "cpoint46" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[46], FIELD_STRING, "cpoint47" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[47], FIELD_STRING, "cpoint48" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[48], FIELD_STRING, "cpoint49" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[49], FIELD_STRING, "cpoint50" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[50], FIELD_STRING, "cpoint51" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[51], FIELD_STRING, "cpoint52" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[52], FIELD_STRING, "cpoint53" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[53], FIELD_STRING, "cpoint54" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[54], FIELD_STRING, "cpoint55" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[55], FIELD_STRING, "cpoint56" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[56], FIELD_STRING, "cpoint57" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[57], FIELD_STRING, "cpoint58" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[58], FIELD_STRING, "cpoint59" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[59], FIELD_STRING, "cpoint60" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[60], FIELD_STRING, "cpoint61" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[61], FIELD_STRING, "cpoint62" ),
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DEFINE_KEYFIELD( m_iszControlPointNames[62], FIELD_STRING, "cpoint63" ),
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DEFINE_KEYFIELD( m_iControlPointParents.m_Value[0], FIELD_CHARACTER, "cpoint1_parent" ),
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DEFINE_KEYFIELD( m_iControlPointParents.m_Value[1], FIELD_CHARACTER, "cpoint2_parent" ),
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DEFINE_KEYFIELD( m_iControlPointParents.m_Value[2], FIELD_CHARACTER, "cpoint3_parent" ),
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DEFINE_KEYFIELD( m_iControlPointParents.m_Value[3], FIELD_CHARACTER, "cpoint4_parent" ),
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DEFINE_KEYFIELD( m_iControlPointParents.m_Value[4], FIELD_CHARACTER, "cpoint5_parent" ),
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DEFINE_KEYFIELD( m_iControlPointParents.m_Value[5], FIELD_CHARACTER, "cpoint6_parent" ),
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DEFINE_KEYFIELD( m_iControlPointParents.m_Value[6], FIELD_CHARACTER, "cpoint7_parent" ),
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DEFINE_AUTO_ARRAY( m_hControlPointEnts, FIELD_EHANDLE ),
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DEFINE_INPUTFUNC( FIELD_VOID, "Start", InputStart ),
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DEFINE_INPUTFUNC( FIELD_VOID, "Stop", InputStop ),
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DEFINE_INPUTFUNC( FIELD_VOID, "StopPlayEndCap", InputStopEndCap ),
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DEFINE_INPUTFUNC( FIELD_VOID, "DestroyImmediately", InputDestroy ),
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DEFINE_THINKFUNC( StartParticleSystemThink ),
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END_DATADESC()
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LINK_ENTITY_TO_CLASS( info_particle_system, CParticleSystem );
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CParticleSystem::CParticleSystem( void ) : m_bNoSave( false )
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{
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for( int i = 0; i != kSERVERCONTROLLEDPOINTS; ++i )
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{
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m_iServerControlPointAssignments.GetForModify(i) = 255;
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}
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}
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//-----------------------------------------------------------------------------
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// Precache
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//-----------------------------------------------------------------------------
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void CParticleSystem::Precache( void )
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{
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const char *pParticleSystemName = STRING( m_iszEffectName );
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if ( pParticleSystemName == NULL || pParticleSystemName[0] == 0 )
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{
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Warning( "info_particle_system (%s) has no particle system name specified!\n", GetEntityName().ToCStr() );
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}
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PrecacheParticleSystem( pParticleSystemName );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CParticleSystem::Spawn( void )
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{
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BaseClass::Spawn();
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Precache();
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m_iEffectIndex = -1;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CParticleSystem::Activate( void )
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{
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BaseClass::Activate();
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// Find our particle effect index
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m_iEffectIndex = GetParticleSystemIndex( STRING(m_iszEffectName) );
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if ( m_bStartActive )
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{
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m_bStartActive = false;
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StartParticleSystem();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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bool CParticleSystem::KeyValue( const char *szKeyName, const char *szValue )
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{
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if ( FStrEq( szKeyName, "snapshot_file" ) )
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{
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Q_strncpy( m_szSnapshotFileName.GetForModify(), szValue, MAX_PATH );
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return true;
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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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// Purpose:
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//-----------------------------------------------------------------------------
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bool CParticleSystem::GetKeyValue( const char *szKeyName, char *szValue, int iMaxLen )
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{
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if ( FStrEq( szKeyName, "snapshot_file" ) )
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{
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Q_snprintf( szValue, iMaxLen, "%s", m_szSnapshotFileName.Get() );
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return true;
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}
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return BaseClass::GetKeyValue( szKeyName, szValue, iMaxLen );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CParticleSystem::StartParticleSystemThink( void )
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{
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StartParticleSystem();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Always transmitted to clients
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//-----------------------------------------------------------------------------
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int CParticleSystem::UpdateTransmitState()
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{
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return SetTransmitState( FL_EDICT_ALWAYS );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CParticleSystem::StartParticleSystem( void )
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{
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if ( m_bActive == false )
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{
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m_flStartTime = gpGlobals->curtime;
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m_bActive = true;
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// Setup our control points at this time (in case our targets weren't around at spawn time)
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ReadControlPointEnts();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CParticleSystem::StopParticleSystem( int nStopType )
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{
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m_bActive = false;
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m_nStopType = nStopType;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CParticleSystem::InputStart( inputdata_t &inputdata )
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{
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StartParticleSystem();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CParticleSystem::InputStop( inputdata_t &inputdata )
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{
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StopParticleSystem( STOP_NORMAL );
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}
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void CParticleSystem::InputDestroy( inputdata_t &inputdata )
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{
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StopParticleSystem( STOP_DESTROY_IMMEDIATELY );
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}
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void CParticleSystem::InputStopEndCap( inputdata_t &inputdata )
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{
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StopParticleSystem( STOP_PLAY_ENDCAP );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Find each entity referred to by m_iszControlPointNames and
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// resolve it into the corresponding slot in m_hControlPointEnts
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//-----------------------------------------------------------------------------
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void CParticleSystem::ReadControlPointEnts( void )
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{
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for ( int i = 0 ; i < kMAXCONTROLPOINTS; ++i )
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{
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if ( m_iszControlPointNames[i] == NULL_STRING )
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continue;
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CBaseEntity *pPointEnt = gEntList.FindEntityGeneric( NULL, STRING( m_iszControlPointNames[i] ), this );
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Assert( pPointEnt != NULL );
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if ( pPointEnt == NULL )
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{
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Warning("Particle system %s could not find control point entity (%s)\n", GetEntityName().ToCStr(), m_iszControlPointNames[i].ToCStr() );
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continue;
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}
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m_hControlPointEnts.Set( i, pPointEnt );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Try to allocate one of the server controlled control points to
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// hold the value. Designed to let the server funnel some variables to
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// particle systems (size, color, swirliness, ...)
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//-----------------------------------------------------------------------------
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bool CParticleSystem::SetControlPointValue( int iControlPoint, const Vector &vValue )
|
||
|
|
{
|
||
|
|
for( int i = 0; i != kSERVERCONTROLLEDPOINTS; ++i )
|
||
|
|
{
|
||
|
|
if( m_iServerControlPointAssignments[i] == iControlPoint )
|
||
|
|
{
|
||
|
|
m_vServerControlPoints.GetForModify(i) = vValue;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if( m_iServerControlPointAssignments[i] == 255 )
|
||
|
|
{
|
||
|
|
m_iServerControlPointAssignments.GetForModify(i) = iControlPoint;
|
||
|
|
m_vServerControlPoints.GetForModify(i) = vValue;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Warning( "No free server controlled control points.\n" );
|
||
|
|
return false; //already using up all of our server control points
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Inline methods
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
int CParticleSystem::ObjectCaps( void )
|
||
|
|
{
|
||
|
|
int flags = 0;
|
||
|
|
if ( m_bNoSave )
|
||
|
|
flags = FCAP_DONT_SAVE;
|
||
|
|
|
||
|
|
return BaseClass::ObjectCaps() | flags;
|
||
|
|
}
|