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482 lines
13 KiB
482 lines
13 KiB
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: A blood spray effect to expose successful hits.
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//
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//=============================================================================//
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#include "cbase.h"
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#include "clienteffectprecachesystem.h"
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#include "fx_sparks.h"
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#include "iefx.h"
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#include "c_te_effect_dispatch.h"
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#include "particles_ez.h"
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#include "decals.h"
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#include "engine/IEngineSound.h"
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#include "fx_quad.h"
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#include "engine/ivdebugoverlay.h"
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#include "shareddefs.h"
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#include "fx_blood.h"
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#include "view.h"
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#include "c_cs_player.h"
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CLIENTEFFECT_REGISTER_BEGIN( PrecacheEffectCSBloodSpray )
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CLIENTEFFECT_MATERIAL( "effects/blood_gore" )
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CLIENTEFFECT_MATERIAL( "effects/blood_drop" )
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CLIENTEFFECT_MATERIAL( "effects/blood_puff" )
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CLIENTEFFECT_REGISTER_END()
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class CHitEffectRamp
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{
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public:
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float m_flDamageAmount;
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float m_flMinAlpha;
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float m_flMaxAlpha;
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float m_flMinSize;
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float m_flMaxSize;
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float m_flMinVelocity;
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float m_flMaxVelocity;
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};
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void InterpolateRamp(
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const CHitEffectRamp &a,
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const CHitEffectRamp &b,
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CHitEffectRamp &out,
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int iDamage )
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{
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float t = RemapVal( iDamage, a.m_flDamageAmount, b.m_flDamageAmount, 0, 1 );
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out.m_flMinAlpha = FLerp( a.m_flMinAlpha, b.m_flMinAlpha, t );
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out.m_flMaxAlpha = FLerp( a.m_flMaxAlpha, b.m_flMaxAlpha, t );
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out.m_flMinAlpha = clamp( out.m_flMinAlpha, 0, 255 );
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out.m_flMaxAlpha = clamp( out.m_flMaxAlpha, 0, 255 );
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out.m_flMinSize = FLerp( a.m_flMinSize, b.m_flMinSize, t );
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out.m_flMaxSize = FLerp( a.m_flMaxSize, b.m_flMaxSize, t );
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out.m_flMinVelocity = FLerp( a.m_flMinVelocity, b.m_flMinVelocity, t );
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out.m_flMaxVelocity = FLerp( a.m_flMaxVelocity, b.m_flMaxVelocity, t );
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}
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void FX_HitEffectSmoke(
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CSmartPtr<CBloodSprayEmitter> pEmitter,
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int iDamage,
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const Vector &vEntryPoint,
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const Vector &vDirection,
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float flScale)
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{
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SimpleParticle newParticle;
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PMaterialHandle hMaterial = ParticleMgr()->GetPMaterial( "effects/blood_gore" );
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// These parameters create a ramp based on how much damage the shot did.
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CHitEffectRamp ramps[2] =
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{
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{
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0,
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30, // min/max alpha
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70,
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0.5, // min/max size
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1,
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0, // min/max velocity (not used here)
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0
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},
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{
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50,
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30, // min/max alpha
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70,
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1, // min/max size
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2,
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0, // min/max velocity (not used here)
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0
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}
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};
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CHitEffectRamp interpolatedRamp;
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InterpolateRamp(
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ramps[0],
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ramps[1],
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interpolatedRamp,
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iDamage );
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for ( int i=0; i < 2; i++ )
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{
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SimpleParticle &newParticle = *pEmitter->AddSimpleParticle( hMaterial, vEntryPoint, 0, 0 );
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newParticle.m_flLifetime = 0.0f;
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newParticle.m_flDieTime = 3.0f;
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newParticle.m_uchStartSize = random->RandomInt(
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interpolatedRamp.m_flMinSize,
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interpolatedRamp.m_flMaxSize ) * flScale;
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newParticle.m_uchEndSize = newParticle.m_uchStartSize * 4;
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newParticle.m_vecVelocity = Vector( 0, 0, 5 ) + RandomVector( -2, 2 );
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newParticle.m_uchStartAlpha = random->RandomInt(
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interpolatedRamp.m_flMinSize,
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interpolatedRamp.m_flMaxSize );
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newParticle.m_uchEndAlpha = 0;
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newParticle.m_flRoll = random->RandomFloat( 0, 360 );
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newParticle.m_flRollDelta = random->RandomFloat( -1, 1 );
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newParticle.m_iFlags = SIMPLE_PARTICLE_FLAG_NO_VEL_DECAY;
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float colorRamp = random->RandomFloat( 0.5f, 1.25f );
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newParticle.m_uchColor[0] = MIN( 1.0f, colorRamp ) * 255.0f;
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newParticle.m_uchColor[1] = MIN( 1.0f, colorRamp ) * 255.0f;
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newParticle.m_uchColor[2] = MIN( 1.0f, colorRamp ) * 255.0f;
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}
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}
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void FX_HitEffectBloodSpray(
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CSmartPtr<CBloodSprayEmitter> pEmitter,
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int iDamage,
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const Vector &vEntryPoint,
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const Vector &vSprayNormal,
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const char *pMaterialName,
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float flLODDistance,
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float flDistanceScale,
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float flScale,
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float flSpeed )
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{
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PMaterialHandle hMaterial = ParticleMgr()->GetPMaterial( pMaterialName );
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SimpleParticle *pParticle;
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float color[3] = { 1.0, 0, 0 };
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Vector up( 0, 0, 1 );
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Vector right = up.Cross( vSprayNormal );
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VectorNormalize( right );
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// These parameters create a ramp based on how much damage the shot did.
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CHitEffectRamp ramps[2] =
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{
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{
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0,
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80, // min/max alpha
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128,
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flScale/2,// min/max size
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flScale,
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10, // min/max velocity
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20
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},
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{
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50,
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80, // min/max alpha
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128,
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flScale/2,// min/max size
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flScale,
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30, // min/max velocity
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60
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}
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};
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CHitEffectRamp interpolatedRamp;
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InterpolateRamp(
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ramps[0],
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ramps[1],
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interpolatedRamp,
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iDamage );
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for ( int i = 0; i < 6; i++ )
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{
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// Originate from within a circle '2 * scale' inches in diameter.
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Vector offset = vEntryPoint + ( flScale * vSprayNormal * 0.5 );
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offset += right * random->RandomFloat( -1, 1 ) * flScale;
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offset += up * random->RandomFloat( -1, 1 ) * flScale;
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pParticle = pEmitter->AddSimpleParticle( hMaterial, offset, 0, 0 );
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if ( pParticle != NULL )
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{
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pParticle->m_flLifetime = 0.0f;
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pParticle->m_flDieTime = random->RandomFloat( 0.7f, 1.3f);
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// All the particles are between red and white. The whiter the particle is, the slower it goes.
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float whiteness = random->RandomFloat( 0.1, 0.7 );
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float speedFactor = 1 - whiteness;
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float spread = 0.5f;
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pParticle->m_vecVelocity.Random( -spread, spread );
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pParticle->m_vecVelocity += vSprayNormal * random->RandomInt( interpolatedRamp.m_flMinVelocity, interpolatedRamp.m_flMaxVelocity ) * flSpeed * speedFactor;
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float colorRamp = random->RandomFloat( 0.5f, 0.75f ) + flLODDistance;
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pParticle->m_uchColor[0] = MIN( 1.0f, color[0] * colorRamp ) * 255.0f;
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pParticle->m_uchColor[1] = MIN( 1.0f, whiteness * colorRamp ) * 255.0f;
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pParticle->m_uchColor[2] = MIN( 1.0f, whiteness * colorRamp ) * 255.0f;
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pParticle->m_uchStartSize = random->RandomFloat( interpolatedRamp.m_flMinSize, interpolatedRamp.m_flMaxSize ) * flDistanceScale;
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pParticle->m_uchEndSize = pParticle->m_uchStartSize * 4 * flDistanceScale;
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pParticle->m_uchStartAlpha = random->RandomInt( interpolatedRamp.m_flMinAlpha, interpolatedRamp.m_flMaxAlpha );
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pParticle->m_uchEndAlpha = 0;
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pParticle->m_flRoll = random->RandomInt( 0, 360 );
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pParticle->m_flRollDelta = random->RandomFloat( -4.0f, 4.0f );
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}
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}
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}
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void FX_HitEffectBloodSplatter(
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CSmartPtr<CBloodSprayEmitter> pTrailEmitter,
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int iDamage,
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const Vector &vExitPoint,
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const Vector &vSplatterNormal,
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float flLODDistance )
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{
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float flScale = 4;
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pTrailEmitter->SetSortOrigin( vExitPoint );
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PMaterialHandle hMaterial = ParticleMgr()->GetPMaterial( "effects/blood_drop" );
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Vector up( 0, 0, 1 );
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Vector right = up.Cross( vSplatterNormal );
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VectorNormalize( right );
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// These parameters create a ramp based on how much damage the shot did.
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CHitEffectRamp ramps[2] =
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{
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{
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0,
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0, // min/max alpha
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75,
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1.5f, // min/max size
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2.0f,
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25.0f * flScale, // min/max velocity
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35.0f * flScale
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},
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{
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50,
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0, // min/max alpha
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140,
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1.5f,// min/max size
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2.0f,
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65.0f * flScale, // min/max velocity
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75.0f * flScale
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}
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};
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CHitEffectRamp interpolatedRamp;
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InterpolateRamp(
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ramps[0],
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ramps[1],
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interpolatedRamp,
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iDamage );
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for ( int i = 0; i < 20; i++ )
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{
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// Originate from within a circle 'scale' inches in diameter.
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Vector offset = vExitPoint;
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offset += right * random->RandomFloat( -0.15f, 0.15f ) * flScale;
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offset += up * random->RandomFloat( -0.15f, 0.15f ) * flScale;
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SimpleParticle *tParticle = (SimpleParticle*)pTrailEmitter->AddSimpleParticle(
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hMaterial,
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vExitPoint,
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random->RandomFloat( 0.225f, 0.35f ),
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random->RandomFloat( interpolatedRamp.m_flMinSize, interpolatedRamp.m_flMaxSize )
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);
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if ( tParticle == NULL )
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break;
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Vector offDir = vSplatterNormal + RandomVector( -0.05f, 0.05f );
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tParticle->m_vecVelocity = offDir * random->RandomFloat( interpolatedRamp.m_flMinVelocity, interpolatedRamp.m_flMaxVelocity );
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tParticle->m_iFlags = SIMPLE_PARTICLE_FLAG_NO_VEL_DECAY;
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tParticle->m_uchColor[0] = 150;
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tParticle->m_uchColor[1] = 0;
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tParticle->m_uchColor[2] = 0;
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tParticle->m_uchStartAlpha = interpolatedRamp.m_flMaxAlpha / 2;
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tParticle->m_uchEndAlpha = 0;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : origin -
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// normal -
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// scale -
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//-----------------------------------------------------------------------------
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void FX_CS_BloodSpray( const Vector &origin, const Vector &normal, float flDamage )
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{
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if ( UTIL_IsLowViolence() )
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return;
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static ConVar *violence_hblood = cvar->FindVar( "violence_hblood" );
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if ( violence_hblood && !violence_hblood->GetBool() )
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return;
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Vector offset;
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int i;
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float r = 64;
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float g = 0;
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float b = 4;
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float scale = 0.5 + clamp( flDamage/50.f, 0.0, 1.0 ) ;
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//Find area ambient light color and use it to tint smoke
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Vector worldLight = WorldGetLightForPoint( origin, true );
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Vector color = Vector( (float)(worldLight[0] * r) / 255.0f, (float)(worldLight[1] * g) / 255.0f, (float)(worldLight[2] * b) / 255.0f );
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float colorRamp;
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Vector offDir;
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CSmartPtr<CBloodSprayEmitter> pSimple = CBloodSprayEmitter::Create( "bloodgore" );
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if ( !pSimple )
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return;
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pSimple->SetSortOrigin( origin );
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pSimple->SetGravity( 0 );
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// Blood impact
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PMaterialHandle hMaterial = ParticleMgr()->GetPMaterial( "effects/blood_core" );
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SimpleParticle *pParticle;
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Vector dir = normal * RandomVector( -0.5f, 0.5f );
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offset = origin + ( 2.0f * normal );
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pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), hMaterial, offset );
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if ( pParticle != NULL )
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{
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pParticle->m_flLifetime = 0.0f;
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pParticle->m_flDieTime = 0.75f;
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pParticle->m_vecVelocity = dir * random->RandomFloat( 16.0f, 32.0f );
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pParticle->m_vecVelocity[2] -= random->RandomFloat( 8.0f, 16.0f );
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colorRamp = random->RandomFloat( 0.75f, 2.0f );
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pParticle->m_uchColor[0] = MIN( 1.0f, color[0] * colorRamp ) * 255.0f;
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pParticle->m_uchColor[1] = MIN( 1.0f, color[1] * colorRamp ) * 255.0f;
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pParticle->m_uchColor[2] = MIN( 1.0f, color[2] * colorRamp ) * 255.0f;
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pParticle->m_uchStartSize = 8;
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pParticle->m_uchEndSize = 32;
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pParticle->m_uchStartAlpha = 255;
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pParticle->m_uchEndAlpha = 0;
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pParticle->m_flRoll = random->RandomInt( 0, 360 );
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pParticle->m_flRollDelta = 0;
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}
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hMaterial = ParticleMgr()->GetPMaterial( "effects/blood_gore" );
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for ( i = 0; i < 4; i++ )
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{
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offset = origin + ( 2.0f * normal );
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pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), hMaterial, offset );
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if ( pParticle != NULL )
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{
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pParticle->m_flLifetime = 0.0f;
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pParticle->m_flDieTime = random->RandomFloat( 0.75f, 1.0f);
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pParticle->m_vecVelocity = dir * random->RandomFloat( 16.0f, 32.0f )*(i+1);
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pParticle->m_vecVelocity[2] -= random->RandomFloat( 16.0f, 32.0f )*(i+1);
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colorRamp = random->RandomFloat( 0.75f, 2.0f );
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pParticle->m_uchColor[0] = MIN( 1.0f, color[0] * colorRamp ) * 255.0f;
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pParticle->m_uchColor[1] = MIN( 1.0f, color[1] * colorRamp ) * 255.0f;
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pParticle->m_uchColor[2] = MIN( 1.0f, color[2] * colorRamp ) * 255.0f;
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pParticle->m_uchStartSize = scale * random->RandomInt( 4, 8 );
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pParticle->m_uchEndSize = pParticle->m_uchStartSize * 4;
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pParticle->m_uchStartAlpha = 255;
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pParticle->m_uchEndAlpha = 0;
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pParticle->m_flRoll = random->RandomInt( 0, 360 );
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pParticle->m_flRollDelta = 0;
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}
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}
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//
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// Dump out drops
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//
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TrailParticle *tParticle;
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CSmartPtr<CTrailParticles> pTrailEmitter = CTrailParticles::Create( "blooddrops" );
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if ( !pTrailEmitter )
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return;
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pTrailEmitter->SetSortOrigin( origin );
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// Partial gravity on blood drops
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pTrailEmitter->SetGravity( 400.0 );
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// Enable simple collisions with nearby surfaces
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pTrailEmitter->Setup(origin, &normal, 1, 10, 100, 400, 0.2, 0 );
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hMaterial = ParticleMgr()->GetPMaterial( "effects/blood_drop" );
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//
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// Shorter droplets
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//
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for ( i = 0; i < 32; i++ )
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{
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// Originate from within a circle 'scale' inches in diameter
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offset = origin;
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tParticle = (TrailParticle *) pTrailEmitter->AddParticle( sizeof(TrailParticle), hMaterial, offset );
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if ( tParticle == NULL )
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break;
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tParticle->m_flLifetime = 0.0f;
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offDir = RandomVector( -1.0f, 1.0f );
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tParticle->m_vecVelocity = offDir * random->RandomFloat( 32.0f, 128.0f );
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tParticle->m_flWidth = scale * random->RandomFloat( 1.0f, 3.0f );
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tParticle->m_flLength = random->RandomFloat( 0.1f, 0.15f );
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tParticle->m_flDieTime = random->RandomFloat( 0.5f, 1.0f );
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FloatToColor32( tParticle->m_color, color[0], color[1], color[2], 1.0f );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : bloodtype -
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// r -
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// g -
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// b -
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//-----------------------------------------------------------------------------
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void GetBloodColorForTeam( int iTeam, unsigned char &r, unsigned char &g, unsigned char &b )
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose: Intercepts the blood spray message.
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//-----------------------------------------------------------------------------
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void CSBloodSprayCallback( const CEffectData &data )
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{
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FX_CS_BloodSpray( data.m_vOrigin, data.m_vNormal, data.m_flMagnitude );
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}
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DECLARE_CLIENT_EFFECT( "csblood", CSBloodSprayCallback );
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