Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//===========================================================================//
#include "cbase.h"
#include "particlemgr.h"
#include "particles_new.h"
#include "iclientmode.h"
#include "engine/ivdebugoverlay.h"
#include "particle_property.h"
#include "toolframework/itoolframework.h"
#include "toolframework_client.h"
#include "tier1/KeyValues.h"
#include "model_types.h"
#include "vprof.h"
#include "input.h"
extern ConVar cl_particleeffect_aabb_buffer;
//extern ConVar cl_particle_show_bbox;
//extern ConVar cl_particle_show_bbox_cost;
extern bool g_cl_particle_show_bbox;
extern int g_cl_particle_show_bbox_cost;
//-----------------------------------------------------------------------------
// Constructor, destructor
//-----------------------------------------------------------------------------
CNewParticleEffect::CNewParticleEffect( CBaseEntity *pOwner, CParticleSystemDefinition *pEffect )
{
m_hOwner = pOwner;
Init( pEffect );
Construct();
}
CNewParticleEffect::CNewParticleEffect( CBaseEntity *pOwner, const char* pEffectName )
{
m_hOwner = pOwner;
Init( pEffectName );
Construct();
}
void CNewParticleEffect::Construct()
{
m_vSortOrigin.Init();
m_bDontRemove = false;
m_bRemove = false;
m_bDrawn = false;
m_bNeedsBBoxUpdate = false;
m_bIsFirstFrame = true;
m_bAutoUpdateBBox = false;
m_bAllocated = true;
m_bSimulate = true;
m_bShouldPerformCullCheck = false;
m_nToolParticleEffectId = TOOLPARTICLESYSTEMID_INVALID;
m_RefCount = 0;
ParticleMgr()->AddEffect( this );
m_LastMax = Vector( -1.0e6, -1.0e6, -1.0e6 );
m_LastMin = Vector( 1.0e6, 1.0e6, 1.0e6 );
m_MinBounds = Vector( 1.0e6, 1.0e6, 1.0e6 );
m_MaxBounds = Vector( -1.0e6, -1.0e6, -1.0e6 );
m_pDebugName = NULL;
if ( IsValid() && clienttools->IsInRecordingMode() )
{
int nId = AllocateToolParticleEffectId();
static ParticleSystemCreatedState_t state;
state.m_nParticleSystemId = nId;
state.m_flTime = gpGlobals->curtime;
state.m_pName = GetName();
state.m_nOwner = m_hOwner.Get() ? m_hOwner->entindex() : -1;
KeyValues *msg = new KeyValues( "ParticleSystem_Create" );
msg->SetPtr( "state", &state );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
}
}
CNewParticleEffect::~CNewParticleEffect(void)
{
if ( m_nToolParticleEffectId != TOOLPARTICLESYSTEMID_INVALID && clienttools->IsInRecordingMode() )
{
static ParticleSystemDestroyedState_t state;
state.m_nParticleSystemId = gpGlobals->curtime;
state.m_flTime = gpGlobals->curtime;
KeyValues *msg = new KeyValues( "ParticleSystem_Destroy" );
msg->SetPtr( "state", &state );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
m_nToolParticleEffectId = TOOLPARTICLESYSTEMID_INVALID;
}
m_bAllocated = false;
if ( m_hOwner )
{
// NOTE: This can provoke another NotifyRemove call which is why flags is set to 0
m_hOwner->ParticleProp()->OnParticleSystemDeleted( this );
}
}
//-----------------------------------------------------------------------------
// Refcounting
//-----------------------------------------------------------------------------
void CNewParticleEffect::AddRef()
{
++m_RefCount;
}
void CNewParticleEffect::Release()
{
Assert( m_RefCount > 0 );
--m_RefCount;
// If all the particles are already gone, delete ourselves now.
// If there are still particles, wait for the last NotifyDestroyParticle.
if ( m_RefCount == 0 )
{
if ( m_bAllocated )
{
if ( IsFinished() )
{
SetRemoveFlag();
}
}
}
}
void CNewParticleEffect::NotifyRemove()
{
if ( m_bAllocated )
{
delete this;
}
}
int CNewParticleEffect::IsReleased()
{
return m_RefCount == 0;
}
//-----------------------------------------------------------------------------
// Refraction and soft particle support
//-----------------------------------------------------------------------------
bool CNewParticleEffect::UsesPowerOfTwoFrameBufferTexture( void )
{
// NOTE: Need to do this because CParticleCollection's version is non-virtual
return CParticleCollection::UsesPowerOfTwoFrameBufferTexture( true );
}
bool CNewParticleEffect::UsesFullFrameBufferTexture( void )
{
// NOTE: Need to do this because CParticleCollection's version is non-virtual
return CParticleCollection::UsesFullFrameBufferTexture( true );
}
bool CNewParticleEffect::IsTwoPass( void )
{
// NOTE: Need to do this because CParticleCollection's version is non-virtual
return CParticleCollection::IsTwoPass();
}
//-----------------------------------------------------------------------------
// Overrides for recording
//-----------------------------------------------------------------------------
void CNewParticleEffect::StopEmission( bool bInfiniteOnly, bool bRemoveAllParticles, bool bWakeOnStop )
{
if ( m_nToolParticleEffectId != TOOLPARTICLESYSTEMID_INVALID && clienttools->IsInRecordingMode() )
{
KeyValues *msg = new KeyValues( "ParticleSystem_StopEmission" );
static ParticleSystemStopEmissionState_t state;
state.m_nParticleSystemId = GetToolParticleEffectId();
state.m_flTime = gpGlobals->curtime;
state.m_bInfiniteOnly = bInfiniteOnly;
msg->SetPtr( "state", &state );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
}
CParticleCollection::StopEmission( bInfiniteOnly, bRemoveAllParticles, bWakeOnStop );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CNewParticleEffect::SetDormant( bool bDormant )
{
CParticleCollection::SetDormant( bDormant );
}
void CNewParticleEffect::SetControlPointEntity( int nWhichPoint, CBaseEntity *pEntity )
{
if ( m_nToolParticleEffectId != TOOLPARTICLESYSTEMID_INVALID && clienttools->IsInRecordingMode() )
{
static ParticleSystemSetControlPointObjectState_t state;
state.m_nParticleSystemId = GetToolParticleEffectId();
state.m_flTime = gpGlobals->curtime;
state.m_nControlPoint = nWhichPoint;
state.m_nObject = pEntity ? pEntity->entindex() : -1;
KeyValues *msg = new KeyValues( "ParticleSystem_SetControlPointObject" );
msg->SetPtr( "state", &state );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
}
if ( pEntity )
{
CParticleCollection::SetControlPointObject( nWhichPoint, &m_hControlPointOwners[ nWhichPoint ] );
m_hControlPointOwners[ nWhichPoint ] = pEntity;
}
else
CParticleCollection::SetControlPointObject( nWhichPoint, NULL );
}
void CNewParticleEffect::SetControlPoint( int nWhichPoint, const Vector &v )
{
if ( m_nToolParticleEffectId != TOOLPARTICLESYSTEMID_INVALID && clienttools->IsInRecordingMode() )
{
static ParticleSystemSetControlPointPositionState_t state;
state.m_nParticleSystemId = GetToolParticleEffectId();
state.m_flTime = gpGlobals->curtime;
state.m_nControlPoint = nWhichPoint;
state.m_vecPosition = v;
KeyValues *msg = new KeyValues( "ParticleSystem_SetControlPointPosition" );
msg->SetPtr( "state", &state );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
}
CParticleCollection::SetControlPoint( nWhichPoint, v );
}
void CNewParticleEffect::RecordControlPointOrientation( int nWhichPoint )
{
if ( m_nToolParticleEffectId != TOOLPARTICLESYSTEMID_INVALID && clienttools->IsInRecordingMode() )
{
// FIXME: Make a more direct way of getting
QAngle angles;
VectorAngles( m_ControlPoints[nWhichPoint].m_ForwardVector, m_ControlPoints[nWhichPoint].m_UpVector, angles );
static ParticleSystemSetControlPointOrientationState_t state;
state.m_nParticleSystemId = GetToolParticleEffectId();
state.m_flTime = gpGlobals->curtime;
state.m_nControlPoint = nWhichPoint;
AngleQuaternion( angles, state.m_qOrientation );
KeyValues *msg = new KeyValues( "ParticleSystem_SetControlPointOrientation" );
msg->SetPtr( "state", &state );
ToolFramework_PostToolMessage( HTOOLHANDLE_INVALID, msg );
}
}
void CNewParticleEffect::SetControlPointOrientation( int nWhichPoint,
const Vector &forward, const Vector &right, const Vector &up )
{
CParticleCollection::SetControlPointOrientation( nWhichPoint, forward, right, up );
RecordControlPointOrientation( nWhichPoint );
}
void CNewParticleEffect::SetControlPointOrientation( int nWhichPoint, const Quaternion &q )
{
CParticleCollection::SetControlPointOrientation( nWhichPoint, q );
RecordControlPointOrientation( nWhichPoint );
}
void CNewParticleEffect::SetControlPointForwardVector( int nWhichPoint, const Vector &v )
{
CParticleCollection::SetControlPointForwardVector( nWhichPoint, v );
RecordControlPointOrientation( nWhichPoint );
}
void CNewParticleEffect::SetControlPointUpVector( int nWhichPoint, const Vector &v )
{
CParticleCollection::SetControlPointUpVector( nWhichPoint, v );
RecordControlPointOrientation( nWhichPoint );
}
void CNewParticleEffect::SetControlPointRightVector( int nWhichPoint, const Vector &v )
{
CParticleCollection::SetControlPointRightVector( nWhichPoint, v );
RecordControlPointOrientation( nWhichPoint );
}
//-----------------------------------------------------------------------------
// Called when the particle effect is about to update
//-----------------------------------------------------------------------------
void CNewParticleEffect::Update( float flTimeDelta )
{
if ( m_hOwner )
{
m_hOwner->ParticleProp()->OnParticleSystemUpdated( this, flTimeDelta );
}
}
//-----------------------------------------------------------------------------
// Bounding box
//-----------------------------------------------------------------------------
CNewParticleEffect* CNewParticleEffect::ReplaceWith( const char *pParticleSystemName )
{
StopEmission( false, true, true );
if ( !pParticleSystemName || !pParticleSystemName[0] )
return NULL;
CSmartPtr< CNewParticleEffect > pNewEffect = CNewParticleEffect::Create( GetOwner(), pParticleSystemName, pParticleSystemName );
if ( !pNewEffect->IsValid() )
return pNewEffect.GetObject();
// Copy over the control point data
for ( int i = 0; i < MAX_PARTICLE_CONTROL_POINTS; ++i )
{
if ( !ReadsControlPoint( i ) )
continue;
Vector vecForward, vecRight, vecUp;
pNewEffect->SetControlPoint( i, GetControlPointAtCurrentTime( i ) );
GetControlPointOrientationAtCurrentTime( i, &vecForward, &vecRight, &vecUp );
pNewEffect->SetControlPointOrientation( i, vecForward, vecRight, vecUp );
pNewEffect->SetControlPointParent( i, GetControlPointParent( i ) );
}
if ( !m_hOwner )
return pNewEffect.GetObject();
m_hOwner->ParticleProp()->ReplaceParticleEffect( this, pNewEffect.GetObject() );
return pNewEffect.GetObject();
}
//-----------------------------------------------------------------------------
// Bounding box
//-----------------------------------------------------------------------------
void CNewParticleEffect::SetParticleCullRadius( float radius )
{
}
bool CNewParticleEffect::RecalculateBoundingBox()
{
BloatBoundsUsingControlPoint();
if ( m_MaxBounds.x < m_MinBounds.x )
{
m_MaxBounds = m_MinBounds = GetSortOrigin();
return false;
}
return true;
}
void CNewParticleEffect::GetRenderBounds( Vector& mins, Vector& maxs )
{
VectorSubtract( m_MinBounds, GetRenderOrigin(), mins );
VectorSubtract( m_MaxBounds, GetRenderOrigin(), maxs );
}
void CNewParticleEffect::DetectChanges()
{
// if we have no render handle, return
if ( m_hRenderHandle == INVALID_CLIENT_RENDER_HANDLE )
return;
float flBuffer = cl_particleeffect_aabb_buffer.GetFloat();
float flExtraBuffer = flBuffer * 1.3f;
// if nothing changed, return
if ( m_MinBounds.x < m_LastMin.x ||
m_MinBounds.y < m_LastMin.y ||
m_MinBounds.z < m_LastMin.z ||
m_MinBounds.x > (m_LastMin.x + flExtraBuffer) ||
m_MinBounds.y > (m_LastMin.y + flExtraBuffer) ||
m_MinBounds.z > (m_LastMin.z + flExtraBuffer) ||
m_MaxBounds.x > m_LastMax.x ||
m_MaxBounds.y > m_LastMax.y ||
m_MaxBounds.z > m_LastMax.z ||
m_MaxBounds.x < (m_LastMax.x - flExtraBuffer) ||
m_MaxBounds.y < (m_LastMax.y - flExtraBuffer) ||
m_MaxBounds.z < (m_LastMax.z - flExtraBuffer)
)
{
// call leafsystem to updated this guy
ClientLeafSystem()->RenderableChanged( m_hRenderHandle );
// remember last parameters
// Add some padding in here so we don't reinsert it into the leaf system if it just changes a tiny amount.
m_LastMin = m_MinBounds - Vector( flBuffer, flBuffer, flBuffer );
m_LastMax = m_MaxBounds + Vector( flBuffer, flBuffer, flBuffer );
}
}
extern ConVar r_DrawParticles;
void CNewParticleEffect::DebugDrawBbox ( bool bCulled )
{
int nParticlesShowBboxCost = g_cl_particle_show_bbox_cost;
bool bShowCheapSystems = false;
if ( nParticlesShowBboxCost < 0 )
{
nParticlesShowBboxCost = -nParticlesShowBboxCost;
bShowCheapSystems = true;
}
Vector center = GetRenderOrigin();
Vector mins = m_MinBounds - center;
Vector maxs = m_MaxBounds - center;
int r, g, b;
bool bDraw = true;
if ( bCulled )
{
r = 64;
g = 64;
b = 64;
}
else if ( nParticlesShowBboxCost > 0 )
{
float fAmount = (float)m_nActiveParticles / (float)nParticlesShowBboxCost;
if ( fAmount < 0.5f )
{
if ( bShowCheapSystems )
{
r = 0;
g = 255;
b = 0;
}
else
{
// Prevent the screen getting spammed with low-count particles which aren't that expensive.
bDraw = false;
r = 0;
g = 0;
b = 0;
}
}
else if ( fAmount < 1.0f )
{
// green 0.5-1.0 blue
int nBlend = (int)( 512.0f * ( fAmount - 0.5f ) );
nBlend = MIN ( 255, MAX ( 0, nBlend ) );
r = 0;
g = 255 - nBlend;
b = nBlend;
}
else if ( fAmount < 2.0f )
{
// blue 1.0-2.0 red
int nBlend = (int)( 256.0f * ( fAmount - 1.0f ) );
nBlend = MIN ( 255, MAX ( 0, nBlend ) );
r = nBlend;
g = 0;
b = 255 - nBlend;
}
else
{
r = 255;
g = 0;
b = 0;
}
}
else
{
if ( GetAutoUpdateBBox() )
{
// red is bad, the bbox update is costly
r = 255;
g = 0;
b = 0;
}
else
{
// green, this effect presents less cpu load
r = 0;
g = 255;
b = 0;
}
}
if ( bDraw )
{
debugoverlay->AddBoxOverlay( center, mins, maxs, QAngle( 0, 0, 0 ), r, g, b, 16, 0 );
debugoverlay->AddTextOverlayRGB( center, 0, 0, r, g, b, 64, "%s:(%d)", GetEffectName(), m_nActiveParticles );
}
}
//-----------------------------------------------------------------------------
// Rendering
//-----------------------------------------------------------------------------
int CNewParticleEffect::DrawModel( int flags )
{
VPROF_BUDGET( "CNewParticleEffect::DrawModel", VPROF_BUDGETGROUP_PARTICLE_RENDERING );
if ( r_DrawParticles.GetBool() == false )
return 0;
if ( !g_pClientMode->ShouldDrawParticles() || !ParticleMgr()->ShouldRenderParticleSystems() )
return 0;
if ( ( flags & ( STUDIO_SHADOWDEPTHTEXTURE | STUDIO_SSAODEPTHTEXTURE ) ) != 0 )
{
return 0;
}
// do distance cull check here. We do it here instead of in particles so we can easily only do
// it for root objects, not bothering to cull children individually
CMatRenderContextPtr pRenderContext( materials );
Vector vecCamera;
pRenderContext->GetWorldSpaceCameraPosition( &vecCamera );
if ( CalcSqrDistanceToAABB( m_MinBounds, m_MaxBounds, vecCamera ) > ( m_pDef->m_flMaxDrawDistance * m_pDef->m_flMaxDrawDistance ) )
{
if ( !IsRetail() && ( g_cl_particle_show_bbox || ( g_cl_particle_show_bbox_cost != 0 ) ) )
{
DebugDrawBbox ( true );
}
// Still need to make sure we set this or they won't follow their attachemnt points.
m_flNextSleepTime = Max ( m_flNextSleepTime, ( g_pParticleSystemMgr->GetLastSimulationTime() + m_pDef->m_flNoDrawTimeToGoToSleep ));
return 0;
}
if ( flags & STUDIO_TRANSPARENCY )
{
int viewentity = render->GetViewEntity();
C_BaseEntity *pCameraObject = cl_entitylist->GetEnt( viewentity );
// apply logic that lets you skip rendering a system if the camera is attached to its entity
if ( pCameraObject &&
( m_pDef->m_nSkipRenderControlPoint != -1 ) &&
( m_pDef->m_nSkipRenderControlPoint <= m_nHighestCP ) )
{
C_BaseEntity *pEntity = (EHANDLE)GetControlPointEntity( m_pDef->m_nSkipRenderControlPoint );
if ( pEntity )
{
// If we're in thirdperson, we still see it
if ( !input->CAM_IsThirdPerson() )
{
if ( pEntity == pCameraObject )
return 0;
C_BaseEntity *pRootMove = pEntity->GetRootMoveParent();
if ( pRootMove == pCameraObject )
return 0;
// If we're spectating in-eyes of the camera object, we don't see it
C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
if ( pPlayer == pCameraObject )
{
C_BaseEntity *pObTarget = pPlayer->GetObserverTarget();
if ( pPlayer->GetObserverMode() == OBS_MODE_IN_EYE && (pObTarget == pEntity || pRootMove == pObTarget ) )
return 0;
}
}
}
}
pRenderContext->MatrixMode( MATERIAL_MODEL );
pRenderContext->PushMatrix();
pRenderContext->LoadIdentity();
Render( pRenderContext, IsTwoPass(), pCameraObject );
pRenderContext->MatrixMode( MATERIAL_MODEL );
pRenderContext->PopMatrix();
}
else
{
g_pParticleSystemMgr->AddToRenderCache( this );
}
if ( !IsRetail() )
{
CParticleMgr *pMgr = ParticleMgr();
if ( pMgr->m_bStatsRunning )
{
pMgr->StatsNewParticleEffectDrawn ( this );
}
if ( g_cl_particle_show_bbox || ( g_cl_particle_show_bbox_cost != 0 ) )
{
DebugDrawBbox ( false );
}
}
return 1;
}
static void DumpParticleStats_f( void )
{
g_pParticleSystemMgr->DumpProfileInformation();
}
static ConCommand cl_dump_particle_stats( "cl_dump_particle_stats", DumpParticleStats_f, "dump particle profiling info to particle_profile.csv") ;