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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
// This defines the client-side SmokeTrail entity. It can also be used without
// an entity, in which case you must pass calls to it and set its position each frame.
#ifndef PARTICLE_SMOKETRAIL_H
#define PARTICLE_SMOKETRAIL_H
#include "particlemgr.h"
#include "particle_prototype.h"
#include "particle_util.h"
#include "particles_simple.h"
#include "c_baseentity.h"
#include "baseparticleentity.h"
#include "fx_trail.h"
//
// Smoke Trail
//
class C_GrenadeTrail : public C_BaseParticleEntity, public IPrototypeAppEffect
{
public:
DECLARE_CLASS( C_GrenadeTrail, C_BaseParticleEntity );
DECLARE_CLIENTCLASS();
C_GrenadeTrail();
virtual ~C_GrenadeTrail();
public:
//For attachments
void GetAimEntOrigin( IClientEntity *pAttachedTo, Vector *pAbsOrigin, QAngle *pAbsAngles );
// Enable/disable emission.
void SetEmit(bool bEmit);
// Change the spawn rate.
void SetSpawnRate(float rate);
// C_BaseEntity.
public:
virtual void OnDataChanged(DataUpdateType_t updateType);
// IPrototypeAppEffect.
public:
virtual void Start(CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs);
// IParticleEffect.
public:
virtual void Update(float fTimeDelta);
virtual void RenderParticles( CParticleRenderIterator *pIterator );
virtual void SimulateParticles( CParticleSimulateIterator *pIterator );
public:
// Effect parameters. These will assume default values but you can change them.
float m_SpawnRate; // How many particles per second.
Vector m_StartColor; // Fade between these colors.
Vector m_EndColor;
float m_Opacity;
float m_ParticleLifetime; // How long do the particles live?
float m_StopEmitTime; // When do I stop emitting particles? (-1 = never)
float m_MinSpeed; // Speed range.
float m_MaxSpeed;
float m_MinDirectedSpeed; // Directed speed range.
float m_MaxDirectedSpeed;
float m_StartSize; // Size ramp.
float m_EndSize;
float m_SpawnRadius;
Vector m_VelocityOffset; // Emit the particles in a certain direction.
bool m_bEmit; // Keep emitting particles?
int m_nAttachment;
private:
PMaterialHandle m_MaterialHandle[2];
TimedEvent m_ParticleSpawn;
CParticleMgr *m_pParticleMgr;
CSmartPtr<CSimpleEmitter> m_pSmokeEmitter;
C_GrenadeTrail( const C_GrenadeTrail & );
};
#endif //PARTICLE_SMOKETRAIL_H
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