Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#include "movieobjects/dmeparticlesystemdefinition.h"
#include "datamodel/dmelementfactoryhelper.h"
#include "movieobjects/dmeeditortypedictionary.h"
#include "toolutils/enginetools_int.h"
#include "tier1/KeyValues.h"
#include "tier1/utlbuffer.h"
#include "tier1/convar.h"
#include "particles/particles.h"
#include "dme_controls/attributeintchoicepanel.h"
#include "dme_controls/attributeboolchoicepanel.h"
#include "dme_controls/attributestringchoicepanel.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//-----------------------------------------------------------------------------
// Human readable string for the particle functions
//-----------------------------------------------------------------------------
static const char *s_pParticleFuncTypeName[PARTICLE_FUNCTION_COUNT] =
{
"Renderer", // FUNCTION_RENDERER = 0,
"Operator", // FUNCTION_OPERATOR,
"Initializer", // FUNCTION_INITIALIZER,
"Emitter", // FUNCTION_EMITTER,
"Children", // FUNCTION_CHILDREN,
"ForceGenerator", // FUNCTION_FORCEGENERATOR
"Constraint", // FUNCTION_CONSTRAINT
};
const char *GetParticleFunctionTypeName( ParticleFunctionType_t type )
{
return s_pParticleFuncTypeName[type];
}
//-----------------------------------------------------------------------------
// Expose this class to the scene database
//-----------------------------------------------------------------------------
IMPLEMENT_ELEMENT_FACTORY_INSTALL_EXPLICITLY( DmeParticleFunction, CDmeParticleFunction );
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CDmeParticleFunction::OnConstruction()
{
m_bSkipNextResolve = false;
}
void CDmeParticleFunction::OnDestruction()
{
DestroyElement( m_hTypeDictionary, TD_DEEP );
}
//-----------------------------------------------------------------------------
// Construct an appropriate editor attribute info
//-----------------------------------------------------------------------------
static void CreateEditorAttributeInfo( CDmeEditorType *pEditorType, const char *pAttributeName, const char *pWidgetInfo )
{
if ( !pWidgetInfo )
return;
CCommand parse;
parse.Tokenize( pWidgetInfo );
if ( parse.ArgC() == 1 )
{
CDmeEditorAttributeInfo *pInfo = CreateElement< CDmeEditorAttributeInfo >( "field info" );
pEditorType->AddAttributeInfo( pAttributeName, pInfo );
pInfo->m_Widget = parse[0];
return;
}
if ( parse.ArgC() == 2 )
{
CDmeEditorChoicesInfo *pInfo = NULL;
if ( !Q_stricmp( parse[0], "intchoice" ) )
{
pInfo = CreateElement< CDmeEditorIntChoicesInfo >( "field info" );
}
if ( !Q_stricmp( parse[0], "boolchoice" ) )
{
pInfo = CreateElement< CDmeEditorBoolChoicesInfo >( "field info" );
}
if ( !Q_stricmp( parse[0], "stringchoice" ) )
{
pInfo = CreateElement< CDmeEditorStringChoicesInfo >( "field info" );
}
if ( !Q_stricmp( parse[0], "elementchoice" ) )
{
pInfo = CreateElement< CDmeEditorChoicesInfo >( "field info" );
}
if ( pInfo )
{
pInfo->SetChoiceType( parse[1] );
pEditorType->AddAttributeInfo( pAttributeName, pInfo );
pInfo->m_Widget = parse[0];
return;
}
}
}
//-----------------------------------------------------------------------------
// Used for backward compat
//-----------------------------------------------------------------------------
void CDmeParticleFunction::AddMissingFields( const DmxElementUnpackStructure_t *pUnpack )
{
DestroyElement( m_hTypeDictionary, TD_DEEP );
m_hTypeDictionary = CreateElement< CDmeEditorTypeDictionary >( "particleFunctionDict" );
CDmeEditorType *pEditorType = CreateElement< CDmeEditorType >( GetTypeString() );
for ( ; pUnpack->m_pAttributeName; ++pUnpack )
{
CreateEditorAttributeInfo( pEditorType, pUnpack->m_pAttributeName, (const char *)pUnpack->m_pUserData );
// Can happen if 'name' or 'functionName' is used
if ( HasAttribute( pUnpack->m_pAttributeName ) )
continue;
CDmAttribute *pAttribute = AddAttribute( pUnpack->m_pAttributeName, pUnpack->m_AttributeType );
if ( pUnpack->m_pDefaultString )
{
int nLen = Q_strlen( pUnpack->m_pDefaultString );
CUtlBuffer bufParse( pUnpack->m_pDefaultString, nLen, CUtlBuffer::TEXT_BUFFER | CUtlBuffer::READ_ONLY );
pAttribute->Unserialize( bufParse );
}
}
m_hTypeDictionary->AddEditorType( pEditorType );
}
//-----------------------------------------------------------------------------
// Sets the particle operator
//-----------------------------------------------------------------------------
void CDmeParticleFunction::UpdateAttributes( const DmxElementUnpackStructure_t *pUnpack )
{
// Delete all old attributes
CDmAttribute *pNext;
for( CDmAttribute *pAttr = FirstAttribute(); pAttr; pAttr = pNext )
{
pNext = pAttr->NextAttribute();
if ( pAttr->IsFlagSet( FATTRIB_EXTERNAL | FATTRIB_STANDARD ) )
continue;
RemoveAttributeByPtr( pAttr );
}
AddMissingFields( pUnpack );
}
//-----------------------------------------------------------------------------
// Marks a particle system as a new instance
// This is basically a workaround to prevent newly-copied particle functions
// from recompiling themselves a zillion times
//-----------------------------------------------------------------------------
void CDmeParticleFunction::MarkNewInstance()
{
m_bSkipNextResolve = true;
}
//-----------------------------------------------------------------------------
// Don't bother resolving during unserialization, the owning def will handle it
//-----------------------------------------------------------------------------
void CDmeParticleFunction::OnElementUnserialized()
{
BaseClass::OnElementUnserialized();
MarkNewInstance();
}
//-----------------------------------------------------------------------------
// Recompiles the particle system when a change occurs
//-----------------------------------------------------------------------------
void CDmeParticleFunction::Resolve()
{
BaseClass::Resolve();
if ( m_bSkipNextResolve )
{
m_bSkipNextResolve = false;
return;
}
for( CDmAttribute* pAttr = FirstAttribute(); pAttr; pAttr = pAttr->NextAttribute() )
{
if ( !pAttr->IsFlagSet( FATTRIB_DIRTY ) )
continue;
// Find all CDmeParticleSystemDefinitions referring to this function
DmAttributeReferenceIterator_t i = g_pDataModel->FirstAttributeReferencingElement( GetHandle() );
while ( i != DMATTRIBUTE_REFERENCE_ITERATOR_INVALID )
{
CDmAttribute *pAttribute = g_pDataModel->GetAttribute( i );
// NOTE: This could cause the same particle system definition to recompile
// multiple times if it refers to the same function multiple times,
// but we don't expect that to happen, so we won't bother checking for it
CDmeParticleSystemDefinition *pDef = CastElement<CDmeParticleSystemDefinition>( pAttribute->GetOwner() );
if ( pDef && pDef->GetFileId() == GetFileId() )
{
pDef->RecompileParticleSystem();
}
i = g_pDataModel->NextAttributeReferencingElement( i );
}
break;
}
}
//-----------------------------------------------------------------------------
// Returns the editor type dictionary
//-----------------------------------------------------------------------------
CDmeEditorTypeDictionary* CDmeParticleFunction::GetEditorTypeDictionary()
{
return m_hTypeDictionary;
}
//-----------------------------------------------------------------------------
// Expose this class to the scene database
//-----------------------------------------------------------------------------
IMPLEMENT_ELEMENT_FACTORY_INSTALL_EXPLICITLY( DmeParticleOperator, CDmeParticleOperator );
//-----------------------------------------------------------------------------
// Constructor, destructor
//-----------------------------------------------------------------------------
void CDmeParticleOperator::OnConstruction()
{
m_FunctionName.Init( this, "functionName" );
}
void CDmeParticleOperator::OnDestruction()
{
}
//-----------------------------------------------------------------------------
// Sets the particle operator
//-----------------------------------------------------------------------------
void CDmeParticleOperator::SetFunction( IParticleOperatorDefinition *pDefinition )
{
m_FunctionName = pDefinition->GetName();
const DmxElementUnpackStructure_t *pUnpack = pDefinition->GetUnpackStructure();
UpdateAttributes( pUnpack );
}
const char *CDmeParticleOperator::GetFunctionType() const
{
return m_FunctionName;
}
//-----------------------------------------------------------------------------
// Expose this class to the scene database
//-----------------------------------------------------------------------------
IMPLEMENT_ELEMENT_FACTORY_INSTALL_EXPLICITLY( DmeParticleChild, CDmeParticleChild );
//-----------------------------------------------------------------------------
// Constructor, destructor
//-----------------------------------------------------------------------------
void CDmeParticleChild::OnConstruction()
{
m_Child.Init( this, "child", FATTRIB_NEVERCOPY );
}
void CDmeParticleChild::OnDestruction()
{
}
//-----------------------------------------------------------------------------
// Sets the particle system child
//-----------------------------------------------------------------------------
void CDmeParticleChild::SetChildParticleSystem( CDmeParticleSystemDefinition *pDef, IParticleOperatorDefinition *pDefinition )
{
// FIXME: Convert system name into a
m_Child = pDef;
const DmxElementUnpackStructure_t *pUnpack = pDefinition->GetUnpackStructure();
UpdateAttributes( pUnpack );
}
const char *CDmeParticleChild::GetFunctionType() const
{
const CDmeParticleSystemDefinition *pChild = m_Child;
return pChild ? pChild->GetName() : "";
}
//-----------------------------------------------------------------------------
// Expose this class to the scene database
//-----------------------------------------------------------------------------
IMPLEMENT_ELEMENT_FACTORY_INSTALL_EXPLICITLY( DmeParticleSystemDefinition, CDmeParticleSystemDefinition );
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CDmeParticleSystemDefinition::OnConstruction()
{
m_ParticleFunction[FUNCTION_RENDERER].Init( this, "renderers" );
m_ParticleFunction[FUNCTION_OPERATOR].Init( this, "operators" );
m_ParticleFunction[FUNCTION_INITIALIZER].Init( this, "initializers" );
m_ParticleFunction[FUNCTION_EMITTER].Init( this, "emitters" );
m_ParticleFunction[FUNCTION_CHILDREN].Init( this, "children" );
m_ParticleFunction[FUNCTION_FORCEGENERATOR].Init( this, "forces" );
m_ParticleFunction[FUNCTION_CONSTRAINT].Init( this, "constraints" );
m_bPreventNameBasedLookup.Init( this, "preventNameBasedLookup" );
m_hTypeDictionary = CreateElement< CDmeEditorTypeDictionary >( "particleSystemDefinitionDict" );
CDmeEditorType *pEditorType = CreateElement< CDmeEditorType >( "DmeParticleSystemDefinition" );
const DmxElementUnpackStructure_t *pUnpack = g_pParticleSystemMgr->GetParticleSystemDefinitionUnpackStructure();
for ( ; pUnpack->m_pAttributeName; ++pUnpack )
{
CreateEditorAttributeInfo( pEditorType, pUnpack->m_pAttributeName, (const char *)pUnpack->m_pUserData );
CDmAttribute *pAttribute = AddAttribute( pUnpack->m_pAttributeName, pUnpack->m_AttributeType );
if ( pUnpack->m_pDefaultString )
{
int nLen = Q_strlen( pUnpack->m_pDefaultString );
CUtlBuffer bufParse( pUnpack->m_pDefaultString, nLen, CUtlBuffer::TEXT_BUFFER | CUtlBuffer::READ_ONLY );
pAttribute->Unserialize( bufParse );
}
}
m_hTypeDictionary->AddEditorType( pEditorType );
}
void CDmeParticleSystemDefinition::OnDestruction()
{
DestroyElement( m_hTypeDictionary, TD_DEEP );
}
//-----------------------------------------------------------------------------
// Returns the editor type dictionary
//-----------------------------------------------------------------------------
CDmeEditorTypeDictionary* CDmeParticleSystemDefinition::GetEditorTypeDictionary()
{
return m_hTypeDictionary;
}
//-----------------------------------------------------------------------------
// Remove obsolete attributes
//-----------------------------------------------------------------------------
static void RemoveObsoleteAttributes( CDmElement *pElement, const DmxElementUnpackStructure_t *pUnpack )
{
// Delete all obsolete attributes
CDmAttribute *pNext;
for( CDmAttribute *pAttr = pElement->FirstAttribute(); pAttr; pAttr = pNext )
{
pNext = pAttr->NextAttribute();
if ( pAttr->IsFlagSet( FATTRIB_EXTERNAL | FATTRIB_STANDARD ) )
continue;
bool bFound = false;
for ( const DmxElementUnpackStructure_t *pTrav = pUnpack; pTrav->m_pAttributeName; ++pTrav )
{
if ( !Q_stricmp( pTrav->m_pAttributeName, pAttr->GetName() ) )
{
bFound = true;
break;
}
}
if ( !bFound )
{
pElement->RemoveAttributeByPtr( pAttr );
}
}
}
//-----------------------------------------------------------------------------
// Used for automatic handling of backward compatability
//-----------------------------------------------------------------------------
void CDmeParticleSystemDefinition::OnElementUnserialized()
{
BaseClass::OnElementUnserialized();
RemoveObsoleteAttributes( this, g_pParticleSystemMgr->GetParticleSystemDefinitionUnpackStructure() );
// Add missing fields that are new
for ( int i = 0; i < PARTICLE_FUNCTION_COUNT; ++i )
{
ParticleFunctionType_t type = (ParticleFunctionType_t)i;
CUtlVector< IParticleOperatorDefinition *> &list = g_pParticleSystemMgr->GetAvailableParticleOperatorList( type );
int nAvailType = list.Count();
int nCount = GetParticleFunctionCount( type );
for ( int j = 0; j < nCount; ++j )
{
CDmeParticleFunction *pFunction = GetParticleFunction( type, j );
if ( i == FUNCTION_CHILDREN )
{
RemoveObsoleteAttributes( pFunction, list[0]->GetUnpackStructure() );
pFunction->AddMissingFields( list[0]->GetUnpackStructure() );
continue;
}
for ( int k = 0; k < nAvailType; ++k )
{
if ( Q_stricmp( pFunction->GetName(), list[k]->GetName() ) )
continue;
RemoveObsoleteAttributes( pFunction, list[k]->GetUnpackStructure() );
pFunction->AddMissingFields( list[k]->GetUnpackStructure() );
break;
}
}
}
}
//-----------------------------------------------------------------------------
// Check to see if any attributes changed
//-----------------------------------------------------------------------------
void CDmeParticleSystemDefinition::Resolve()
{
BaseClass::Resolve();
for( CDmAttribute* pAttr = FirstAttribute(); pAttr; pAttr = pAttr->NextAttribute() )
{
if ( pAttr->IsFlagSet( FATTRIB_DIRTY ) )
{
RecompileParticleSystem();
break;
}
}
}
//-----------------------------------------------------------------------------
// Add, remove
//-----------------------------------------------------------------------------
CDmeParticleFunction* CDmeParticleSystemDefinition::AddOperator( ParticleFunctionType_t type, const char *pFunctionName )
{
CUtlVector< IParticleOperatorDefinition *> &list = g_pParticleSystemMgr->GetAvailableParticleOperatorList( type );
int nCount = list.Count();
for ( int i = 0; i < nCount; ++i )
{
if ( Q_stricmp( pFunctionName, list[i]->GetName() ) )
continue;
CDmeParticleOperator *pFunction = CreateElement< CDmeParticleOperator >( pFunctionName, GetFileId() );
m_ParticleFunction[type].AddToTail( pFunction );
pFunction->SetFunction( list[i] );
return pFunction;
}
return NULL;
}
CDmeParticleFunction* CDmeParticleSystemDefinition::AddChild( CDmeParticleSystemDefinition *pChild )
{
Assert( pChild );
CUtlVector< IParticleOperatorDefinition *> &list = g_pParticleSystemMgr->GetAvailableParticleOperatorList( FUNCTION_CHILDREN );
Assert( list.Count() == 1 );
CDmeParticleChild *pFunction = CreateElement< CDmeParticleChild >( pChild->GetName(), GetFileId() );
m_ParticleFunction[FUNCTION_CHILDREN].AddToTail( pFunction );
pFunction->SetChildParticleSystem( pChild, list[0] );
return pFunction;
}
//-----------------------------------------------------------------------------
// Remove
void CDmeParticleSystemDefinition::RemoveFunction( ParticleFunctionType_t type, CDmeParticleFunction *pFunction )
{
int nIndex = FindFunction( type, pFunction );
RemoveFunction( type, nIndex );
}
void CDmeParticleSystemDefinition::RemoveFunction( ParticleFunctionType_t type, int nIndex )
{
if ( nIndex >= 0 )
{
m_ParticleFunction[type].Remove(nIndex);
}
}
//-----------------------------------------------------------------------------
// Find
//-----------------------------------------------------------------------------
int CDmeParticleSystemDefinition::FindFunction( ParticleFunctionType_t type, CDmeParticleFunction *pParticleFunction )
{
int nCount = m_ParticleFunction[type].Count();
for ( int i = 0; i < nCount; ++i )
{
if ( pParticleFunction == m_ParticleFunction[type][i] )
return i;
}
return -1;
}
int CDmeParticleSystemDefinition::FindFunction( ParticleFunctionType_t type, const char *pFunctionName )
{
int nCount = m_ParticleFunction[type].Count();
for ( int i = 0; i < nCount; ++i )
{
if ( !Q_stricmp( pFunctionName, m_ParticleFunction[type][i]->GetFunctionType() ) )
return i;
}
return -1;
}
//-----------------------------------------------------------------------------
// Iteration
//-----------------------------------------------------------------------------
int CDmeParticleSystemDefinition::GetParticleFunctionCount( ParticleFunctionType_t type ) const
{
return m_ParticleFunction[type].Count();
}
CDmeParticleFunction *CDmeParticleSystemDefinition::GetParticleFunction( ParticleFunctionType_t type, int nIndex )
{
return m_ParticleFunction[type][nIndex];
}
//-----------------------------------------------------------------------------
// Reordering
//-----------------------------------------------------------------------------
void CDmeParticleSystemDefinition::MoveFunctionUp( ParticleFunctionType_t type, CDmeParticleFunction *pElement )
{
int nIndex = FindFunction( type, pElement );
if ( nIndex > 0 )
{
m_ParticleFunction[type].Swap( nIndex, nIndex - 1 );
}
}
void CDmeParticleSystemDefinition::MoveFunctionDown( ParticleFunctionType_t type, CDmeParticleFunction *pElement )
{
int nIndex = FindFunction( type, pElement );
int nLastIndex = m_ParticleFunction[type].Count() - 1;
if ( nIndex >= 0 && nIndex < nLastIndex )
{
m_ParticleFunction[type].Swap( nIndex, nIndex + 1 );
}
}
//-----------------------------------------------------------------------------
// Marks a particle system as a new instance
// This is basically a workaround to prevent newly-copied particle functions
// from recompiling themselves a zillion times
//-----------------------------------------------------------------------------
void CDmeParticleSystemDefinition::MarkNewInstance()
{
for ( int i = 0; i < PARTICLE_FUNCTION_COUNT; ++i )
{
int nCount = m_ParticleFunction[i].Count();
for ( int j = 0; j < nCount; ++j )
{
m_ParticleFunction[i][j]->MarkNewInstance();
}
}
}
//-----------------------------------------------------------------------------
// Recompiles the particle system when a change occurs
//-----------------------------------------------------------------------------
void CDmeParticleSystemDefinition::RecompileParticleSystem()
{
const char *pFileFormat = "pcf";
const char *pEncoding = g_pDataModel->GetDefaultEncoding( pFileFormat );
int nFlags = g_pDataModel->IsEncodingBinary( pEncoding ) ? 0 : CUtlBuffer::TEXT_BUFFER;
CUtlBuffer buf( 0, 0, nFlags );
if ( g_pDataModel->Serialize( buf, pEncoding, pFileFormat, GetHandle() ) )
{
g_pParticleSystemMgr->ReadParticleConfigFile( buf, true, NULL );
}
}