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Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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source-engine/game/client/c_entitydissolve.cpp

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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "iviewrender.h"
#include "view.h"
#include "studio.h"
#include "bone_setup.h"
#include "model_types.h"
#include "beamdraw.h"
#include "engine/ivdebugoverlay.h"
#include "iviewrender_beams.h"
#include "fx.h"
#include "IEffects.h"
#include "c_entitydissolve.h"
#include "movevars_shared.h"
#include "clienteffectprecachesystem.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
CLIENTEFFECT_REGISTER_BEGIN( PrecacheEffectBuild )
CLIENTEFFECT_MATERIAL( "effects/tesla_glow_noz" )
CLIENTEFFECT_MATERIAL( "effects/spark" )
CLIENTEFFECT_MATERIAL( "effects/combinemuzzle2" )
CLIENTEFFECT_REGISTER_END()
//-----------------------------------------------------------------------------
// Networking
//-----------------------------------------------------------------------------
IMPLEMENT_CLIENTCLASS_DT( C_EntityDissolve, DT_EntityDissolve, CEntityDissolve )
RecvPropTime(RECVINFO(m_flStartTime)),
RecvPropFloat(RECVINFO(m_flFadeOutStart)),
RecvPropFloat(RECVINFO(m_flFadeOutLength)),
RecvPropFloat(RECVINFO(m_flFadeOutModelStart)),
RecvPropFloat(RECVINFO(m_flFadeOutModelLength)),
RecvPropFloat(RECVINFO(m_flFadeInStart)),
RecvPropFloat(RECVINFO(m_flFadeInLength)),
RecvPropInt(RECVINFO(m_nDissolveType)),
RecvPropVector( RECVINFO( m_vDissolverOrigin) ),
RecvPropInt( RECVINFO( m_nMagnitude ) ),
END_RECV_TABLE()
extern PMaterialHandle g_Material_Spark;
PMaterialHandle g_Material_AR2Glow = NULL;
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
C_EntityDissolve::C_EntityDissolve( void )
{
m_bLinkedToServerEnt = true;
m_pController = NULL;
m_bCoreExplode = false;
m_vEffectColor = Vector( 255, 255, 255 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_EntityDissolve::GetRenderBounds( Vector& theMins, Vector& theMaxs )
{
if ( GetMoveParent() )
{
GetMoveParent()->GetRenderBounds( theMins, theMaxs );
}
else
{
theMins = GetAbsOrigin();
theMaxs = theMaxs;
}
}
//-----------------------------------------------------------------------------
// On data changed
//-----------------------------------------------------------------------------
void C_EntityDissolve::OnDataChanged( DataUpdateType_t updateType )
{
BaseClass::OnDataChanged( updateType );
if ( updateType == DATA_UPDATE_CREATED )
{
m_flNextSparkTime = m_flStartTime;
SetNextClientThink( CLIENT_THINK_ALWAYS );
}
}
//-----------------------------------------------------------------------------
// Cleanup
//-----------------------------------------------------------------------------
void C_EntityDissolve::UpdateOnRemove( void )
{
if ( m_pController )
{
physenv->DestroyMotionController( m_pController );
m_pController = NULL;
}
BaseClass::UpdateOnRemove();
}
//------------------------------------------------------------------------------
// Apply the forces to the entity
//------------------------------------------------------------------------------
IMotionEvent::simresult_e C_EntityDissolve::Simulate( IPhysicsMotionController *pController, IPhysicsObject *pObject, float deltaTime, Vector &linear, AngularImpulse &angular )
{
linear.Init();
angular.Init();
// Make it zero g
linear.z -= -1.02 * GetCurrentGravity();
Vector vel;
AngularImpulse angVel;
pObject->GetVelocity( &vel, &angVel );
vel += linear * deltaTime; // account for gravity scale
Vector unitVel = vel;
Vector unitAngVel = angVel;
float speed = VectorNormalize( unitVel );
// float angSpeed = VectorNormalize( unitAngVel );
// float speedScale = 0.0;
// float angSpeedScale = 0.0;
float flLinearLimit = 50;
float flLinearLimitDelta = 40;
if ( speed > flLinearLimit )
{
float flDeltaVel = (flLinearLimit - speed) / deltaTime;
if ( flLinearLimitDelta != 0.0f )
{
float flMaxDeltaVel = -flLinearLimitDelta / deltaTime;
if ( flDeltaVel < flMaxDeltaVel )
{
flDeltaVel = flMaxDeltaVel;
}
}
VectorMA( linear, flDeltaVel, unitVel, linear );
}
return SIM_GLOBAL_ACCELERATION;
}
//-----------------------------------------------------------------------------
// Tesla effect
//-----------------------------------------------------------------------------
static void FX_BuildTesla( C_BaseEntity *pEntity, Vector &vecOrigin, Vector &vecEnd )
{
BeamInfo_t beamInfo;
beamInfo.m_pStartEnt = pEntity;
beamInfo.m_nStartAttachment = 0;
beamInfo.m_pEndEnt = NULL;
beamInfo.m_nEndAttachment = 0;
beamInfo.m_nType = TE_BEAMTESLA;
beamInfo.m_vecStart = vecOrigin;
beamInfo.m_vecEnd = vecEnd;
beamInfo.m_pszModelName = "sprites/lgtning.vmt";
beamInfo.m_flHaloScale = 0.0;
beamInfo.m_flLife = random->RandomFloat( 0.25f, 1.0f );
beamInfo.m_flWidth = random->RandomFloat( 8.0f, 14.0f );
beamInfo.m_flEndWidth = 1.0f;
beamInfo.m_flFadeLength = 0.5f;
beamInfo.m_flAmplitude = 24;
beamInfo.m_flBrightness = 255.0;
beamInfo.m_flSpeed = 150.0f;
beamInfo.m_nStartFrame = 0.0;
beamInfo.m_flFrameRate = 30.0;
beamInfo.m_flRed = 255.0;
beamInfo.m_flGreen = 255.0;
beamInfo.m_flBlue = 255.0;
beamInfo.m_nSegments = 18;
beamInfo.m_bRenderable = true;
beamInfo.m_nFlags = 0; //FBEAM_ONLYNOISEONCE;
beams->CreateBeamEntPoint( beamInfo );
}
//-----------------------------------------------------------------------------
// Purpose: Tesla effect
//-----------------------------------------------------------------------------
void C_EntityDissolve::BuildTeslaEffect( mstudiobbox_t *pHitBox, const matrix3x4_t &hitboxToWorld, bool bRandom, float flYawOffset )
{
Vector vecOrigin;
QAngle vecAngles;
MatrixGetColumn( hitboxToWorld, 3, vecOrigin );
MatrixAngles( hitboxToWorld, vecAngles.Base() );
C_BaseEntity *pEntity = GetMoveParent();
// Make a couple of tries at it
int iTries = -1;
Vector vecForward;
trace_t tr;
do
{
iTries++;
// Some beams are deliberatly aimed around the point, the rest are random.
if ( !bRandom )
{
QAngle vecTemp = vecAngles;
vecTemp[YAW] += flYawOffset;
AngleVectors( vecTemp, &vecForward );
// Randomly angle it up or down
vecForward.z = RandomFloat( -1, 1 );
}
else
{
vecForward = RandomVector( -1, 1 );
}
UTIL_TraceLine( vecOrigin, vecOrigin + (vecForward * 192), MASK_SHOT, pEntity, COLLISION_GROUP_NONE, &tr );
} while ( tr.fraction >= 1.0 && iTries < 3 );
Vector vecEnd = tr.endpos - (vecForward * 8);
// Only spark & glow if we hit something
if ( tr.fraction < 1.0 )
{
if ( !EffectOccluded( tr.endpos ) )
{
// Move it towards the camera
Vector vecFlash = tr.endpos;
AngleVectors( MainViewAngles(), &vecForward );
vecFlash -= (vecForward * 8);
g_pEffects->EnergySplash( vecFlash, -vecForward, false );
// End glow
CSmartPtr<CSimpleEmitter> pSimple = CSimpleEmitter::Create( "dust" );
pSimple->SetSortOrigin( vecFlash );
SimpleParticle *pParticle;
pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), pSimple->GetPMaterial( "effects/tesla_glow_noz" ), vecFlash );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = RandomFloat( 0.5, 1 );
pParticle->m_vecVelocity = vec3_origin;
Vector color( 1,1,1 );
float colorRamp = RandomFloat( 0.75f, 1.25f );
pParticle->m_uchColor[0] = MIN( 1.0f, color[0] * colorRamp ) * 255.0f;
pParticle->m_uchColor[1] = MIN( 1.0f, color[1] * colorRamp ) * 255.0f;
pParticle->m_uchColor[2] = MIN( 1.0f, color[2] * colorRamp ) * 255.0f;
pParticle->m_uchStartSize = RandomFloat( 6,13 );
pParticle->m_uchEndSize = pParticle->m_uchStartSize - 2;
pParticle->m_uchStartAlpha = 255;
pParticle->m_uchEndAlpha = 10;
pParticle->m_flRoll = RandomFloat( 0,360 );
pParticle->m_flRollDelta = 0;
}
}
}
// Build the tesla
FX_BuildTesla( pEntity, vecOrigin, tr.endpos );
}
//-----------------------------------------------------------------------------
// Sorts the components of a vector
//-----------------------------------------------------------------------------
static inline void SortAbsVectorComponents( const Vector& src, int* pVecIdx )
{
Vector absVec( fabs(src[0]), fabs(src[1]), fabs(src[2]) );
int maxIdx = (absVec[0] > absVec[1]) ? 0 : 1;
if (absVec[2] > absVec[maxIdx])
{
maxIdx = 2;
}
// always choose something right-handed....
switch( maxIdx )
{
case 0:
pVecIdx[0] = 1;
pVecIdx[1] = 2;
pVecIdx[2] = 0;
break;
case 1:
pVecIdx[0] = 2;
pVecIdx[1] = 0;
pVecIdx[2] = 1;
break;
case 2:
pVecIdx[0] = 0;
pVecIdx[1] = 1;
pVecIdx[2] = 2;
break;
}
}
//-----------------------------------------------------------------------------
// Compute the bounding box's center, size, and basis
//-----------------------------------------------------------------------------
void C_EntityDissolve::ComputeRenderInfo( mstudiobbox_t *pHitBox, const matrix3x4_t &hitboxToWorld,
Vector *pVecAbsOrigin, Vector *pXVec, Vector *pYVec )
{
// Compute the center of the hitbox in worldspace
Vector vecHitboxCenter;
VectorAdd( pHitBox->bbmin, pHitBox->bbmax, vecHitboxCenter );
vecHitboxCenter *= 0.5f;
VectorTransform( vecHitboxCenter, hitboxToWorld, *pVecAbsOrigin );
// Get the object's basis
Vector vec[3];
MatrixGetColumn( hitboxToWorld, 0, vec[0] );
MatrixGetColumn( hitboxToWorld, 1, vec[1] );
MatrixGetColumn( hitboxToWorld, 2, vec[2] );
// vec[1] *= -1.0f;
Vector vecViewDir;
VectorSubtract( CurrentViewOrigin(), *pVecAbsOrigin, vecViewDir );
VectorNormalize( vecViewDir );
// Project the shadow casting direction into the space of the hitbox
Vector localViewDir;
localViewDir[0] = DotProduct( vec[0], vecViewDir );
localViewDir[1] = DotProduct( vec[1], vecViewDir );
localViewDir[2] = DotProduct( vec[2], vecViewDir );
// Figure out which vector has the largest component perpendicular
// to the view direction...
// Sort by how perpendicular it is
int vecIdx[3];
SortAbsVectorComponents( localViewDir, vecIdx );
// Here's our hitbox basis vectors; namely the ones that are
// most perpendicular to the view direction
*pXVec = vec[vecIdx[0]];
*pYVec = vec[vecIdx[1]];
// Project them into a plane perpendicular to the view direction
*pXVec -= vecViewDir * DotProduct( vecViewDir, *pXVec );
*pYVec -= vecViewDir * DotProduct( vecViewDir, *pYVec );
VectorNormalize( *pXVec );
VectorNormalize( *pYVec );
// Compute the hitbox size
Vector boxSize;
VectorSubtract( pHitBox->bbmax, pHitBox->bbmin, boxSize );
// We project the two longest sides into the vectors perpendicular
// to the projection direction, then add in the projection of the perp direction
Vector2D size( boxSize[vecIdx[0]], boxSize[vecIdx[1]] );
size.x *= fabs( DotProduct( vec[vecIdx[0]], *pXVec ) );
size.y *= fabs( DotProduct( vec[vecIdx[1]], *pYVec ) );
// Add the third component into x and y
size.x += boxSize[vecIdx[2]] * fabs( DotProduct( vec[vecIdx[2]], *pXVec ) );
size.y += boxSize[vecIdx[2]] * fabs( DotProduct( vec[vecIdx[2]], *pYVec ) );
// Bloat a bit, since the shadow wants to extend outside the model a bit
size *= 2.0f;
// Clamp the minimum size
Vector2DMax( size, Vector2D(10.0f, 10.0f), size );
// Factor the size into the xvec + yvec
(*pXVec) *= size.x * 0.5f;
(*pYVec) *= size.y * 0.5f;
}
//-----------------------------------------------------------------------------
// Sparks!
//-----------------------------------------------------------------------------
void C_EntityDissolve::DoSparks( mstudiohitboxset_t *set, matrix3x4_t *hitboxbones[MAXSTUDIOBONES] )
{
if ( m_flNextSparkTime > gpGlobals->curtime )
return;
float dt = m_flStartTime + m_flFadeOutStart - gpGlobals->curtime;
dt = clamp( dt, 0.0f, m_flFadeOutStart );
float flNextTime;
if (m_nDissolveType == ENTITY_DISSOLVE_ELECTRICAL)
{
flNextTime = SimpleSplineRemapVal( dt, 0.0f, m_flFadeOutStart, 2.0f * TICK_INTERVAL, 0.4f );
}
else
{
// m_nDissolveType == ENTITY_DISSOLVE_ELECTRICAL_LIGHT);
flNextTime = SimpleSplineRemapVal( dt, 0.0f, m_flFadeOutStart, 0.3f, 1.0f );
}
m_flNextSparkTime = gpGlobals->curtime + flNextTime;
// Send out beams around us
int iNumBeamsAround = 2;
int iNumRandomBeams = 1;
int iTotalBeams = iNumBeamsAround + iNumRandomBeams;
float flYawOffset = RandomFloat(0,360);
for ( int i = 0; i < iTotalBeams; i++ )
{
int nHitbox = random->RandomInt( 0, set->numhitboxes - 1 );
mstudiobbox_t *pBox = set->pHitbox(nHitbox);
float flActualYawOffset = 0;
bool bRandom = ( i >= iNumBeamsAround );
if ( !bRandom )
{
flActualYawOffset = anglemod( flYawOffset + ((360 / iTotalBeams) * i) );
}
BuildTeslaEffect( pBox, *hitboxbones[pBox->bone], bRandom, flActualYawOffset );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_EntityDissolve::SetupEmitter( void )
{
if ( !m_pEmitter )
{
m_pEmitter = CSimpleEmitter::Create( "C_EntityDissolve" );
m_pEmitter->SetSortOrigin( GetAbsOrigin() );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : float
//-----------------------------------------------------------------------------
float C_EntityDissolve::GetFadeInPercentage( void )
{
float dt = gpGlobals->curtime - m_flStartTime;
if ( dt > m_flFadeOutStart )
return 1.0f;
if ( dt < m_flFadeInStart )
return 0.0f;
if ( (dt > m_flFadeInStart) && (dt < m_flFadeInStart + m_flFadeInLength) )
{
dt -= m_flFadeInStart;
return ( dt / m_flFadeInLength );
}
return 1.0f;
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : float
//-----------------------------------------------------------------------------
float C_EntityDissolve::GetFadeOutPercentage( void )
{
float dt = gpGlobals->curtime - m_flStartTime;
if ( dt < m_flFadeInStart )
return 1.0f;
if ( dt > m_flFadeOutStart )
{
dt -= m_flFadeOutStart;
if ( dt > m_flFadeOutLength )
return 0.0f;
return 1.0f - ( dt / m_flFadeOutLength );
}
return 1.0f;
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : float
//-----------------------------------------------------------------------------
float C_EntityDissolve::GetModelFadeOutPercentage( void )
{
float dt = gpGlobals->curtime - m_flStartTime;
if ( dt < m_flFadeOutModelStart )
return 1.0f;
if ( dt > m_flFadeOutModelStart )
{
dt -= m_flFadeOutModelStart;
if ( dt > m_flFadeOutModelLength )
return 0.0f;
return 1.0f - ( dt / m_flFadeOutModelLength );
}
return 1.0f;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_EntityDissolve::ClientThink( void )
{
C_BaseEntity *pEnt = GetMoveParent();
if ( !pEnt )
return;
bool bIsRagdoll;
#ifdef TF_CLIENT_DLL
bIsRagdoll = true;
#else
C_BaseAnimating *pAnimating = GetMoveParent() ? GetMoveParent()->GetBaseAnimating() : NULL;
if (!pAnimating)
return;
bIsRagdoll = pAnimating->IsRagdoll();
#endif
// NOTE: IsRagdoll means *client-side* ragdoll. We shouldn't be trying to fight
// the server ragdoll (or any server physics) on the client
if (( !m_pController ) && ( m_nDissolveType == ENTITY_DISSOLVE_NORMAL ) && bIsRagdoll )
{
IPhysicsObject *ppList[VPHYSICS_MAX_OBJECT_LIST_COUNT];
int nCount = pEnt->VPhysicsGetObjectList( ppList, ARRAYSIZE(ppList) );
if ( nCount > 0 )
{
m_pController = physenv->CreateMotionController( this );
for ( int i = 0; i < nCount; ++i )
{
m_pController->AttachObject( ppList[i], true );
}
}
}
color32 color;
color.r = ( 1.0f - GetFadeInPercentage() ) * m_vEffectColor.x;
color.g = ( 1.0f - GetFadeInPercentage() ) * m_vEffectColor.y;
color.b = ( 1.0f - GetFadeInPercentage() ) * m_vEffectColor.z;
color.a = GetModelFadeOutPercentage() * 255.0f;
// Setup the entity fade
pEnt->SetRenderMode( kRenderTransColor );
pEnt->SetRenderColor( color.r, color.g, color.b, color.a );
if ( GetModelFadeOutPercentage() <= 0.2f )
{
m_bCoreExplode = true;
}
// If we're dead, fade out
if ( GetFadeOutPercentage() <= 0.0f )
{
// Do NOT remove from the client entity list. It'll confuse the local network backdoor, and the entity will never get destroyed
// because when the server says to destroy it, the client won't be able to find it.
// ClientEntityList().RemoveEntity( GetClientHandle() );
::partition->Remove( PARTITION_CLIENT_SOLID_EDICTS | PARTITION_CLIENT_RESPONSIVE_EDICTS | PARTITION_CLIENT_NON_STATIC_EDICTS, CollisionProp()->GetPartitionHandle() );
RemoveFromLeafSystem();
//FIXME: Ick!
//Adrian: I'll assume we don't need the ragdoll either so I'll remove that too.
if ( m_bLinkedToServerEnt == false )
{
Release();
C_ClientRagdoll *pRagdoll = dynamic_cast <C_ClientRagdoll *> ( pEnt );
if ( pRagdoll )
{
pRagdoll->ReleaseRagdoll();
}
#ifdef TF_CLIENT_DLL
else
{
// Hide the ragdoll -- don't actually delete it or else things get unhappy when
// we get a message from the server telling us to delete it
pEnt->AddEffects( EF_NODRAW );
pEnt->ParticleProp()->StopEmission();
}
#endif
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : flags -
// Output : int
//-----------------------------------------------------------------------------
int C_EntityDissolve::DrawModel( int flags )
{
// See if we should draw
if ( gpGlobals->frametime == 0 || m_bReadyToDraw == false )
return 0;
C_BaseAnimating *pAnimating = GetMoveParent() ? GetMoveParent()->GetBaseAnimating() : NULL;
if ( pAnimating == NULL )
return 0;
matrix3x4_t *hitboxbones[MAXSTUDIOBONES];
if ( pAnimating->HitboxToWorldTransforms( hitboxbones ) == false )
return 0;
studiohdr_t *pStudioHdr = modelinfo->GetStudiomodel( pAnimating->GetModel() );
if ( pStudioHdr == NULL )
return false;
mstudiohitboxset_t *set = pStudioHdr->pHitboxSet( pAnimating->GetHitboxSet() );
if ( set == NULL )
return false;
// Make sure the emitter is setup properly
SetupEmitter();
// Get fade percentages for the effect
float fadeInPerc = GetFadeInPercentage();
float fadeOutPerc = GetFadeOutPercentage();
float fadePerc = ( fadeInPerc >= 1.0f ) ? fadeOutPerc : fadeInPerc;
Vector vecSkew = vec3_origin;
// Do extra effects under certain circumstances
if ( ( fadePerc < 0.99f ) && ( (m_nDissolveType == ENTITY_DISSOLVE_ELECTRICAL) || (m_nDissolveType == ENTITY_DISSOLVE_ELECTRICAL_LIGHT) ) )
{
DoSparks( set, hitboxbones );
}
// Skew the particles in front or in back of their targets
vecSkew = CurrentViewForward() * ( 8.0f - ( ( 1.0f - fadePerc ) * 32.0f ) );
float spriteScale = ( ( gpGlobals->curtime - m_flStartTime ) / m_flFadeOutLength );
spriteScale = clamp( spriteScale, 0.75f, 1.0f );
// Cache off this material reference
if ( g_Material_Spark == NULL )
{
g_Material_Spark = ParticleMgr()->GetPMaterial( "effects/spark" );
}
if ( g_Material_AR2Glow == NULL )
{
g_Material_AR2Glow = ParticleMgr()->GetPMaterial( "effects/combinemuzzle2" );
}
SimpleParticle *sParticle;
for ( int i = 0; i < set->numhitboxes; ++i )
{
Vector vecAbsOrigin, xvec, yvec;
mstudiobbox_t *pBox = set->pHitbox(i);
ComputeRenderInfo( pBox, *hitboxbones[pBox->bone], &vecAbsOrigin, &xvec, &yvec );
Vector offset;
Vector xDir, yDir;
xDir = xvec;
float xScale = VectorNormalize( xDir ) * 0.75f;
yDir = yvec;
float yScale = VectorNormalize( yDir ) * 0.75f;
int numParticles = clamp( 3.0f * fadePerc, 0.f, 3.f );
int iTempParts = 2;
if ( m_nDissolveType == ENTITY_DISSOLVE_CORE )
{
if ( m_bCoreExplode == true )
{
numParticles = 15;
iTempParts = 20;
}
}
for ( int j = 0; j < iTempParts; j++ )
{
// Skew the origin
offset = xDir * Helper_RandomFloat( -xScale*0.5f, xScale*0.5f ) + yDir * Helper_RandomFloat( -yScale*0.5f, yScale*0.5f );
offset += vecSkew;
if ( random->RandomInt( 0, 2 ) != 0 )
continue;
sParticle = (SimpleParticle *) m_pEmitter->AddParticle( sizeof(SimpleParticle), g_Material_Spark, vecAbsOrigin + offset );
if ( sParticle == NULL )
return 1;
sParticle->m_vecVelocity = Vector( Helper_RandomFloat( -4.0f, 4.0f ), Helper_RandomFloat( -4.0f, 4.0f ), Helper_RandomFloat( 16.0f, 64.0f ) );
if ( m_nDissolveType == ENTITY_DISSOLVE_CORE )
{
if ( m_bCoreExplode == true )
{
Vector vDirection = (vecAbsOrigin + offset) - m_vDissolverOrigin;
VectorNormalize( vDirection );
sParticle->m_vecVelocity = vDirection * m_nMagnitude;
}
}
if ( sParticle->m_vecVelocity.z > 0 )
{
sParticle->m_uchStartSize = random->RandomFloat( 4, 6 ) * spriteScale;
}
else
{
sParticle->m_uchStartSize = 2 * spriteScale;
}
sParticle->m_flDieTime = random->RandomFloat( 0.4f, 0.5f );
// If we're the last particles, last longer
if ( numParticles == 0 )
{
sParticle->m_flDieTime *= 2.0f;
sParticle->m_uchStartSize = 2 * spriteScale;
sParticle->m_flRollDelta = Helper_RandomFloat( -4.0f, 4.0f );
if ( m_nDissolveType == ENTITY_DISSOLVE_CORE )
{
if ( m_bCoreExplode == true )
{
sParticle->m_flDieTime *= 2.0f;
sParticle->m_flRollDelta = Helper_RandomFloat( -1.0f, 1.0f );
}
}
}
else
{
sParticle->m_flRollDelta = Helper_RandomFloat( -8.0f, 8.0f );
}
sParticle->m_flLifetime = 0.0f;
sParticle->m_flRoll = Helper_RandomInt( 0, 360 );
float alpha = 255;
sParticle->m_uchColor[0] = m_vEffectColor.x;
sParticle->m_uchColor[1] = m_vEffectColor.y;
sParticle->m_uchColor[2] = m_vEffectColor.z;
sParticle->m_uchStartAlpha = alpha;
sParticle->m_uchEndAlpha = 0;
sParticle->m_uchEndSize = 0;
}
for ( int j = 0; j < numParticles; j++ )
{
offset = xDir * Helper_RandomFloat( -xScale*0.5f, xScale*0.5f ) + yDir * Helper_RandomFloat( -yScale*0.5f, yScale*0.5f );
offset += vecSkew;
sParticle = (SimpleParticle *) m_pEmitter->AddParticle( sizeof(SimpleParticle), g_Material_AR2Glow, vecAbsOrigin + offset );
if ( sParticle == NULL )
return 1;
sParticle->m_vecVelocity = Vector( Helper_RandomFloat( -4.0f, 4.0f ), Helper_RandomFloat( -4.0f, 4.0f ), Helper_RandomFloat( -64.0f, 128.0f ) );
sParticle->m_uchStartSize = random->RandomFloat( 8, 12 ) * spriteScale;
sParticle->m_flDieTime = 0.1f;
sParticle->m_flLifetime = 0.0f;
sParticle->m_flRoll = Helper_RandomInt( 0, 360 );
sParticle->m_flRollDelta = Helper_RandomFloat( -2.0f, 2.0f );
float alpha = 255;
sParticle->m_uchColor[0] = m_vEffectColor.x;
sParticle->m_uchColor[1] = m_vEffectColor.y;
sParticle->m_uchColor[2] = m_vEffectColor.z;
sParticle->m_uchStartAlpha = alpha;
sParticle->m_uchEndAlpha = 0;
sParticle->m_uchEndSize = 0;
if ( m_nDissolveType == ENTITY_DISSOLVE_CORE )
{
if ( m_bCoreExplode == true )
{
Vector vDirection = (vecAbsOrigin + offset) - m_vDissolverOrigin;
VectorNormalize( vDirection );
sParticle->m_vecVelocity = vDirection * m_nMagnitude;
sParticle->m_flDieTime = 0.5f;
}
}
}
}
return 1;
}