100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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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 "hud.h"
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#include "c_baseobject.h"
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#include "particles_simple.h"
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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class C_ObjectEMPGenerator : public C_BaseObject
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{
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DECLARE_CLASS( C_ObjectEMPGenerator, C_BaseObject );
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public:
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DECLARE_CLIENTCLASS();
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C_ObjectEMPGenerator();
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virtual void OnDataChanged( DataUpdateType_t updateType );
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virtual void ClientThink( void );
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private:
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CSmartPtr<CSimpleEmitter> m_pEmitter;
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PMaterialHandle m_hParticleMaterial;
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TimedEvent m_ParticleEvent;
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private:
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C_ObjectEMPGenerator( const C_ObjectEMPGenerator & ); // not defined, not accessible
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};
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IMPLEMENT_CLIENTCLASS_DT(C_ObjectEMPGenerator, DT_ObjectEMPGenerator, CObjectEMPGenerator)
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END_RECV_TABLE()
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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C_ObjectEMPGenerator::C_ObjectEMPGenerator()
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{
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m_ParticleEvent.Init( 300 );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_ObjectEMPGenerator::OnDataChanged( DataUpdateType_t updateType )
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{
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BaseClass::OnDataChanged( updateType );
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if ( updateType == DATA_UPDATE_CREATED )
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{
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m_pEmitter = CSimpleEmitter::Create( "C_ObjectEMPGenerator" );
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m_hParticleMaterial = m_pEmitter->GetPMaterial( "sprites/chargeball" );
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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 C_ObjectEMPGenerator::ClientThink( void )
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{
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// Add particles at the target.
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float flCur = gpGlobals->frametime;
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while ( m_ParticleEvent.NextEvent( flCur ) )
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{
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Vector vPos = WorldSpaceCenter( );
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Vector vOffset = RandomVector( -1, 1 );
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VectorNormalize( vOffset );
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vPos += vOffset * RandomFloat( 0, 50 );
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SimpleParticle *pParticle = m_pEmitter->AddSimpleParticle( m_hParticleMaterial, vPos );
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if ( pParticle )
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{
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// Move the points along the path.
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pParticle->m_vecVelocity.Init();
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pParticle->m_flRoll = 0;
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pParticle->m_flRollDelta = 0;
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pParticle->m_flDieTime = 0.4f;
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pParticle->m_flLifetime = 0;
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pParticle->m_uchColor[0] = 255;
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pParticle->m_uchColor[1] = 255;
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pParticle->m_uchColor[2] = 255;
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pParticle->m_uchStartAlpha = 32;
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pParticle->m_uchEndAlpha = 0;
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pParticle->m_uchStartSize = 6;
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pParticle->m_uchEndSize = 4;
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pParticle->m_iFlags = 0;
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}
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}
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}
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