diff options
Diffstat (limited to 'game/client/hl2/c_thumper_dust.cpp')
| -rw-r--r-- | game/client/hl2/c_thumper_dust.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/game/client/hl2/c_thumper_dust.cpp b/game/client/hl2/c_thumper_dust.cpp new file mode 100644 index 0000000..ade7b30 --- /dev/null +++ b/game/client/hl2/c_thumper_dust.cpp @@ -0,0 +1,170 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +// $NoKeywords: $ +//=============================================================================// +#include "cbase.h" +#include "particlemgr.h" +#include "particle_prototype.h" +#include "particle_util.h" +#include "c_te_particlesystem.h" +#include "fx.h" +#include "fx_quad.h" +#include "c_te_effect_dispatch.h" +#include "view.h" + +// memdbgon must be the last include file in a .cpp file!!! +#include "tier0/memdbgon.h" + +#define THUMPER_DUST_LIFETIME 2.0f +#define THUMPER_MAX_PARTICLES 24 + + +extern IPhysicsSurfaceProps *physprops; + + +class ThumperDustEmitter : public CSimpleEmitter +{ +public: + + ThumperDustEmitter( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {} + + static ThumperDustEmitter *Create( const char *pDebugName ) + { + return new ThumperDustEmitter( pDebugName ); + } + + void UpdateVelocity( SimpleParticle *pParticle, float timeDelta ) + { + // Float up when lifetime is half gone. + pParticle->m_vecVelocity[2] -= ( 8.0f * timeDelta ); + + + // FIXME: optimize this.... + pParticle->m_vecVelocity *= ExponentialDecay( 0.9, 0.03, timeDelta ); + } + + virtual float UpdateRoll( SimpleParticle *pParticle, float timeDelta ) + { + pParticle->m_flRoll += pParticle->m_flRollDelta * timeDelta; + + pParticle->m_flRollDelta += pParticle->m_flRollDelta * ( timeDelta * -4.0f ); + + //Cap the minimum roll + if ( fabs( pParticle->m_flRollDelta ) < 0.25f ) + { + pParticle->m_flRollDelta = ( pParticle->m_flRollDelta > 0.0f ) ? 0.25f : -0.25f; + } + + return pParticle->m_flRoll; + } + + virtual float UpdateAlpha( const SimpleParticle *pParticle ) + { + return (pParticle->m_uchStartAlpha/255.0f) + ( (float)(pParticle->m_uchEndAlpha/255.0f) - (float)(pParticle->m_uchStartAlpha/255.0f) ) * (pParticle->m_flLifetime / pParticle->m_flDieTime); + } + +private: + ThumperDustEmitter( const ThumperDustEmitter & ); +}; + +//----------------------------------------------------------------------------- +// Purpose: +// Input : bNewEntity - whether or not to start a new entity +//----------------------------------------------------------------------------- + +void FX_ThumperDust( const CEffectData &data ) +{ + Vector vecDustColor; + vecDustColor.x = 0.85f; + vecDustColor.y = 0.75f; + vecDustColor.z = 0.52f; + + CSmartPtr<ThumperDustEmitter> pSimple = ThumperDustEmitter::Create( "thumperdust" ); + + C_BaseEntity *pEnt = C_BaseEntity::Instance( data.m_hEntity ); + if ( pEnt ) + { + Vector vWorldMins, vWorldMaxs; + float scale = pEnt->CollisionProp()->BoundingRadius(); + vWorldMins[0] = data.m_vOrigin[0] - scale; + vWorldMins[1] = data.m_vOrigin[1] - scale; + vWorldMins[2] = data.m_vOrigin[2] - scale; + vWorldMaxs[0] = data.m_vOrigin[0] + scale; + vWorldMaxs[1] = data.m_vOrigin[1] + scale; + vWorldMaxs[2] = data.m_vOrigin[2] + scale; + pSimple->GetBinding().SetBBox( vWorldMins, vWorldMaxs, true ); + } + + pSimple->SetSortOrigin( data.m_vOrigin ); + pSimple->SetNearClip( 32, 64 ); + + SimpleParticle *pParticle = NULL; + + Vector offset; + + //int numPuffs = IsXbox() ? THUMPER_MAX_PARTICLES/2 : THUMPER_MAX_PARTICLES; + int numPuffs = THUMPER_MAX_PARTICLES; + + float flYaw = 0; + float flIncr = (2*M_PI) / (float) numPuffs; // Radians + Vector forward; + Vector vecColor; + int i = 0; + + float flScale = MIN( data.m_flScale, 255 ); + + // Setup the color for these particles + engine->ComputeLighting( data.m_vOrigin, NULL, true, vecColor ); + VectorLerp( vecColor, vecDustColor, 0.5, vecColor ); + vecColor *= 255; + + for ( i = 0; i < numPuffs; i++ ) + { + flYaw += flIncr; + SinCos( flYaw, &forward.y, &forward.x ); + forward.z = 0.0f; + + offset = ( RandomVector( -4.0f, 4.0f ) + data.m_vOrigin ) + ( forward * 128.0f ); + + pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof(SimpleParticle), g_Mat_DustPuff[random->RandomInt(0,1)], offset ); + if ( pParticle != NULL ) + { + pParticle->m_flLifetime = 0.0f; + pParticle->m_flDieTime = 1.5f; + + Vector dir = (offset - data.m_vOrigin); + float length = dir.Length(); + VectorNormalize( dir ); + + pParticle->m_vecVelocity = dir * ( length * 2.0f ); + pParticle->m_vecVelocity[2] = data.m_flScale / 3; + + pParticle->m_uchColor[0] = vecColor[0]; + pParticle->m_uchColor[1] = vecColor[1]; + pParticle->m_uchColor[2] = vecColor[2]; + + pParticle->m_uchStartAlpha = random->RandomInt( 64, 96 ); + pParticle->m_uchEndAlpha = 0; + + pParticle->m_uchStartSize = flScale * 0.25f; + pParticle->m_uchEndSize = flScale * 0.5f; + + pParticle->m_flRoll = random->RandomInt( 0, 360 ); + pParticle->m_flRollDelta = random->RandomFloat( -6.0f, 6.0f ); + } + } +} + + +//----------------------------------------------------------------------------- +// Purpose: +// Input : &data - +//----------------------------------------------------------------------------- +void ThumperDustCallback( const CEffectData &data ) +{ + FX_ThumperDust( data ); +} + +DECLARE_CLIENT_EFFECT( "ThumperDust", ThumperDustCallback );
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