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64 lines
2.0 KiB
64 lines
2.0 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#include "cbase.h"
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#include "particlemgr.h"
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#include "particle_prototype.h"
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#include "particle_util.h"
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#include "particles_simple.h"
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#include "c_baseentity.h"
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#include "baseparticleentity.h"
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#include "engine/ivdebugoverlay.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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//==================================================
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// SporeSmokeEffect
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//==================================================
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class SporeSmokeEffect : public CSimpleEmitter
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{
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public:
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SporeSmokeEffect( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {}
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static SporeSmokeEffect* Create( const char *pDebugName );
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virtual void UpdateVelocity( SimpleParticle *pParticle, float timeDelta );
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virtual float UpdateAlpha( const SimpleParticle *pParticle );
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private:
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SporeSmokeEffect( const SporeSmokeEffect & );
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};
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SporeSmokeEffect* SporeSmokeEffect::Create( const char *pDebugName )
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{
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return new SporeSmokeEffect( pDebugName );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *pParticle -
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// timeDelta -
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// Output : float
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//-----------------------------------------------------------------------------
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float SporeSmokeEffect::UpdateAlpha( const SimpleParticle *pParticle )
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{
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//return ( ((float)pParticle->m_uchStartAlpha/255.0f) * sin( M_PI * (pParticle->m_flLifetime / pParticle->m_flDieTime) ) );
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return (pParticle->m_uchStartAlpha/255.0f) + ( (float)(pParticle->m_uchEndAlpha/255.0f) - (float)(pParticle->m_uchStartAlpha/255.0f) ) * (pParticle->m_flLifetime / pParticle->m_flDieTime);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *pParticle -
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// timeDelta -
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//-----------------------------------------------------------------------------
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void SporeSmokeEffect::UpdateVelocity( SimpleParticle *pParticle, float timeDelta )
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{
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}
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