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134 lines
3.2 KiB
C++
134 lines
3.2 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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//=============================================================================//
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// This file defines the C_TEParticleSystem class, which handles most of the
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// interfacing with the particle manager, simulation, and rendering.
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// NOTE: most tempents are singletons.
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#ifndef C_TE_PARTICLESYSTEM_H
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#define C_TE_PARTICLESYSTEM_H
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#include "particlemgr.h"
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#include "c_basetempentity.h"
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#include "particles_simple.h"
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#define SIMSHIFT 10
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typedef enum {
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pt_static,
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pt_grav,
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pt_slowgrav,
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pt_fire,
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pt_explode,
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pt_explode2,
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pt_blob,
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pt_blob2,
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pt_vox_slowgrav,
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pt_vox_grav,
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pt_snow,
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pt_rain,
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pt_clientcustom // Must have callback function specified
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} ptype_t;
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class C_TEParticleSystem : public C_BaseTempEntity
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{
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public:
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DECLARE_CLASS( C_TEParticleSystem, C_BaseTempEntity );
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DECLARE_CLIENTCLASS();
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C_TEParticleSystem();
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public:
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// particle effect sort origin
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Vector m_vecOrigin;
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};
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// This is the class that legacy tempents use to emit particles.
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// They use it in this pattern:
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// CTEParticleRenderer *pRen = CTEParticleRenderer::Create();
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// pRen->AddParticle....
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// pRen->Release();
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class CTEParticleRenderer : public CParticleEffect
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{
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public:
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DECLARE_CLASS( CTEParticleRenderer, CParticleEffect );
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virtual ~CTEParticleRenderer();
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// Create a CTEParticleRenderer. Pass in your sort origin (m_vecOrigin).
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static CSmartPtr<CTEParticleRenderer> Create( const char *pDebugName, const Vector &vOrigin );
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StandardParticle_t* AddParticle();
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CParticleMgr* GetParticleMgr();
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void SetParticleType( StandardParticle_t *pParticle, ptype_t type );
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ptype_t GetParticleType( StandardParticle_t *pParticle );
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// Get/set lifetime. Note: lifetime here is a counter. You set it to a value and it
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// counts down and disappears after that long.
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void SetParticleLifetime( StandardParticle_t *pParticle, float lifetime );
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float GetParticleLifetime( StandardParticle_t *pParticle );
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// IParticleEffect overrides.
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public:
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virtual void RenderParticles( CParticleRenderIterator *pIterator );
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virtual void SimulateParticles( CParticleSimulateIterator *pIterator );
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private:
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CTEParticleRenderer( const char *pDebugName );
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CTEParticleRenderer( const CTEParticleRenderer & ); // not defined, not accessible
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int m_nActiveParticles;
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float m_ParticleSize;
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PMaterialHandle m_MaterialHandle;
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};
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// ------------------------------------------------------------------------ //
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// Inlines.
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// ------------------------------------------------------------------------ //
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inline void CTEParticleRenderer::SetParticleType(StandardParticle_t *pParticle, ptype_t type)
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{
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pParticle->m_EffectData = (unsigned char)type;
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}
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inline ptype_t CTEParticleRenderer::GetParticleType(StandardParticle_t *pParticle)
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{
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return (ptype_t)pParticle->m_EffectData;
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}
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// Get/set lifetime. Note that
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inline void CTEParticleRenderer::SetParticleLifetime(StandardParticle_t *pParticle, float lifetime)
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{
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pParticle->m_Lifetime = lifetime;
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}
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inline float CTEParticleRenderer::GetParticleLifetime(StandardParticle_t *pParticle)
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{
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return pParticle->m_Lifetime;
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}
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#endif
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