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:
//
// $Workfile: $
// $NoKeywords: $
//===========================================================================//
//-----------------------------------------------------------------------------
// Purpose: a global list of all the entities in the game. All iteration through
// entities is done through this object.
//-----------------------------------------------------------------------------
#include "cbase.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//-----------------------------------------------------------------------------
// Globals
//-----------------------------------------------------------------------------
// Create interface
static CClientEntityList s_EntityList;
CBaseEntityList *g_pEntityList = &s_EntityList;
// Expose list to engine
EXPOSE_SINGLE_INTERFACE_GLOBALVAR( CClientEntityList, IClientEntityList, VCLIENTENTITYLIST_INTERFACE_VERSION, s_EntityList );
// Store local pointer to interface for rest of client .dll only
// (CClientEntityList instead of IClientEntityList )
CClientEntityList *cl_entitylist = &s_EntityList;
bool PVSNotifierMap_LessFunc( IClientUnknown* const &a, IClientUnknown* const &b )
{
return a < b;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CClientEntityList::CClientEntityList( void ) :
m_PVSNotifierMap( 0, 0, PVSNotifierMap_LessFunc )
{
m_iMaxUsedServerIndex = -1;
m_iMaxServerEnts = 0;
Release();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CClientEntityList::~CClientEntityList( void )
{
Release();
}
//-----------------------------------------------------------------------------
// Purpose: Clears all entity lists and releases entities
//-----------------------------------------------------------------------------
void CClientEntityList::Release( void )
{
// Free all the entities.
ClientEntityHandle_t iter = FirstHandle();
while( iter != InvalidHandle() )
{
// Try to call release on anything we can.
IClientNetworkable *pNet = GetClientNetworkableFromHandle( iter );
if ( pNet )
{
pNet->Release();
}
else
{
// Try to call release on anything we can.
IClientThinkable *pThinkable = GetClientThinkableFromHandle( iter );
if ( pThinkable )
{
pThinkable->Release();
}
}
RemoveEntity( iter );
iter = FirstHandle();
}
m_iNumServerEnts = 0;
m_iMaxServerEnts = 0;
m_iNumClientNonNetworkable = 0;
m_iMaxUsedServerIndex = -1;
}
IClientNetworkable* CClientEntityList::GetClientNetworkable( int entnum )
{
Assert( entnum >= 0 );
Assert( entnum < MAX_EDICTS );
return m_EntityCacheInfo[entnum].m_pNetworkable;
}
IClientEntity* CClientEntityList::GetClientEntity( int entnum )
{
IClientUnknown *pEnt = GetListedEntity( entnum );
return pEnt ? pEnt->GetIClientEntity() : 0;
}
int CClientEntityList::NumberOfEntities( bool bIncludeNonNetworkable )
{
if ( bIncludeNonNetworkable == true )
return m_iNumServerEnts + m_iNumClientNonNetworkable;
return m_iNumServerEnts;
}
void CClientEntityList::SetMaxEntities( int maxents )
{
m_iMaxServerEnts = maxents;
}
int CClientEntityList::GetMaxEntities( void )
{
return m_iMaxServerEnts;
}
//-----------------------------------------------------------------------------
// Convenience methods to convert between entindex + ClientEntityHandle_t
//-----------------------------------------------------------------------------
int CClientEntityList::HandleToEntIndex( ClientEntityHandle_t handle )
{
if ( handle == INVALID_EHANDLE_INDEX )
return -1;
C_BaseEntity *pEnt = GetBaseEntityFromHandle( handle );
return pEnt ? pEnt->entindex() : -1;
}
//-----------------------------------------------------------------------------
// Purpose: Because m_iNumServerEnts != last index
// Output : int
//-----------------------------------------------------------------------------
int CClientEntityList::GetHighestEntityIndex( void )
{
return m_iMaxUsedServerIndex;
}
void CClientEntityList::RecomputeHighestEntityUsed( void )
{
m_iMaxUsedServerIndex = -1;
// Walk backward looking for first valid index
int i;
for ( i = MAX_EDICTS - 1; i >= 0; i-- )
{
if ( GetListedEntity( i ) != NULL )
{
m_iMaxUsedServerIndex = i;
break;
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Add a raw C_BaseEntity to the entity list.
// Input : index -
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Purpose:
// Input : index -
//-----------------------------------------------------------------------------
C_BaseEntity* CClientEntityList::GetBaseEntity( int entnum )
{
IClientUnknown *pEnt = GetListedEntity( entnum );
return pEnt ? pEnt->GetBaseEntity() : 0;
}
ICollideable* CClientEntityList::GetCollideable( int entnum )
{
IClientUnknown *pEnt = GetListedEntity( entnum );
return pEnt ? pEnt->GetCollideable() : 0;
}
IClientNetworkable* CClientEntityList::GetClientNetworkableFromHandle( ClientEntityHandle_t hEnt )
{
IClientUnknown *pEnt = GetClientUnknownFromHandle( hEnt );
return pEnt ? pEnt->GetClientNetworkable() : 0;
}
IClientEntity* CClientEntityList::GetClientEntityFromHandle( ClientEntityHandle_t hEnt )
{
IClientUnknown *pEnt = GetClientUnknownFromHandle( hEnt );
return pEnt ? pEnt->GetIClientEntity() : 0;
}
IClientRenderable* CClientEntityList::GetClientRenderableFromHandle( ClientEntityHandle_t hEnt )
{
IClientUnknown *pEnt = GetClientUnknownFromHandle( hEnt );
return pEnt ? pEnt->GetClientRenderable() : 0;
}
C_BaseEntity* CClientEntityList::GetBaseEntityFromHandle( ClientEntityHandle_t hEnt )
{
IClientUnknown *pEnt = GetClientUnknownFromHandle( hEnt );
return pEnt ? pEnt->GetBaseEntity() : 0;
}
ICollideable* CClientEntityList::GetCollideableFromHandle( ClientEntityHandle_t hEnt )
{
IClientUnknown *pEnt = GetClientUnknownFromHandle( hEnt );
return pEnt ? pEnt->GetCollideable() : 0;
}
IClientThinkable* CClientEntityList::GetClientThinkableFromHandle( ClientEntityHandle_t hEnt )
{
IClientUnknown *pEnt = GetClientUnknownFromHandle( hEnt );
return pEnt ? pEnt->GetClientThinkable() : 0;
}
void CClientEntityList::AddPVSNotifier( IClientUnknown *pUnknown )
{
IClientRenderable *pRen = pUnknown->GetClientRenderable();
if ( pRen )
{
IPVSNotify *pNotify = pRen->GetPVSNotifyInterface();
if ( pNotify )
{
unsigned short index = m_PVSNotifyInfos.AddToTail();
CPVSNotifyInfo *pInfo = &m_PVSNotifyInfos[index];
pInfo->m_pNotify = pNotify;
pInfo->m_pRenderable = pRen;
pInfo->m_InPVSStatus = 0;
pInfo->m_PVSNotifiersLink = index;
m_PVSNotifierMap.Insert( pUnknown, index );
}
}
}
void CClientEntityList::RemovePVSNotifier( IClientUnknown *pUnknown )
{
IClientRenderable *pRenderable = pUnknown->GetClientRenderable();
if ( pRenderable )
{
IPVSNotify *pNotify = pRenderable->GetPVSNotifyInterface();
if ( pNotify )
{
unsigned short index = m_PVSNotifierMap.Find( pUnknown );
if ( !m_PVSNotifierMap.IsValidIndex( index ) )
{
Warning( "PVS notifier not in m_PVSNotifierMap\n" );
Assert( false );
return;
}
unsigned short indexIntoPVSNotifyInfos = m_PVSNotifierMap[index];
Assert( m_PVSNotifyInfos[indexIntoPVSNotifyInfos].m_pNotify == pNotify );
Assert( m_PVSNotifyInfos[indexIntoPVSNotifyInfos].m_pRenderable == pRenderable );
m_PVSNotifyInfos.Remove( indexIntoPVSNotifyInfos );
m_PVSNotifierMap.RemoveAt( index );
return;
}
}
// If it didn't report itself as a notifier, let's hope it's not in the notifier list now
// (which would mean that it reported itself as a notifier earlier, but not now).
#ifdef _DEBUG
unsigned short index = m_PVSNotifierMap.Find( pUnknown );
Assert( !m_PVSNotifierMap.IsValidIndex( index ) );
#endif
}
void CClientEntityList::AddListenerEntity( IClientEntityListener *pListener )
{
if ( m_entityListeners.Find( pListener ) >= 0 )
{
AssertMsg( 0, "Can't add listeners multiple times\n" );
return;
}
m_entityListeners.AddToTail( pListener );
}
void CClientEntityList::RemoveListenerEntity( IClientEntityListener *pListener )
{
m_entityListeners.FindAndRemove( pListener );
}
void CClientEntityList::OnAddEntity( IHandleEntity *pEnt, CBaseHandle handle )
{
int entnum = handle.GetEntryIndex();
EntityCacheInfo_t *pCache = &m_EntityCacheInfo[entnum];
if ( entnum >= 0 && entnum < MAX_EDICTS )
{
// Update our counters.
m_iNumServerEnts++;
if ( entnum > m_iMaxUsedServerIndex )
{
m_iMaxUsedServerIndex = entnum;
}
// Cache its networkable pointer.
Assert( dynamic_cast< IClientUnknown* >( pEnt ) );
Assert( ((IClientUnknown*)pEnt)->GetClientNetworkable() ); // Server entities should all be networkable.
pCache->m_pNetworkable = ((IClientUnknown*)pEnt)->GetClientNetworkable();
}
IClientUnknown *pUnknown = (IClientUnknown*)pEnt;
// If this thing wants PVS notifications, hook it up.
AddPVSNotifier( pUnknown );
// Store it in a special list for fast iteration if it's a C_BaseEntity.
C_BaseEntity *pBaseEntity = pUnknown->GetBaseEntity();
if ( pBaseEntity )
{
pCache->m_BaseEntitiesIndex = m_BaseEntities.AddToTail( pBaseEntity );
if ( pBaseEntity->ObjectCaps() & FCAP_SAVE_NON_NETWORKABLE )
{
m_iNumClientNonNetworkable++;
}
//DevMsg(2,"Created %s\n", pBaseEnt->GetClassname() );
for ( int i = m_entityListeners.Count()-1; i >= 0; i-- )
{
m_entityListeners[i]->OnEntityCreated( pBaseEntity );
}
}
else
{
pCache->m_BaseEntitiesIndex = m_BaseEntities.InvalidIndex();
}
}
void CClientEntityList::OnRemoveEntity( IHandleEntity *pEnt, CBaseHandle handle )
{
int entnum = handle.GetEntryIndex();
EntityCacheInfo_t *pCache = &m_EntityCacheInfo[entnum];
if ( entnum >= 0 && entnum < MAX_EDICTS )
{
// This is a networkable ent. Clear out our cache info for it.
pCache->m_pNetworkable = NULL;
m_iNumServerEnts--;
if ( entnum >= m_iMaxUsedServerIndex )
{
RecomputeHighestEntityUsed();
}
}
IClientUnknown *pUnknown = (IClientUnknown*)pEnt;
// If this is a PVS notifier, remove it.
RemovePVSNotifier( pUnknown );
C_BaseEntity *pBaseEntity = pUnknown->GetBaseEntity();
if ( pBaseEntity )
{
if ( pBaseEntity->ObjectCaps() & FCAP_SAVE_NON_NETWORKABLE )
{
m_iNumClientNonNetworkable--;
}
//DevMsg(2,"Deleted %s\n", pBaseEnt->GetClassname() );
for ( int i = m_entityListeners.Count()-1; i >= 0; i-- )
{
m_entityListeners[i]->OnEntityDeleted( pBaseEntity );
}
}
if ( pCache->m_BaseEntitiesIndex != m_BaseEntities.InvalidIndex() )
m_BaseEntities.Remove( pCache->m_BaseEntitiesIndex );
pCache->m_BaseEntitiesIndex = m_BaseEntities.InvalidIndex();
}
// Use this to iterate over all the C_BaseEntities.
C_BaseEntity* CClientEntityList::FirstBaseEntity() const
{
const CEntInfo *pList = FirstEntInfo();
while ( pList )
{
if ( pList->m_pEntity )
{
IClientUnknown *pUnk = static_cast<IClientUnknown*>( pList->m_pEntity );
C_BaseEntity *pRet = pUnk->GetBaseEntity();
if ( pRet )
return pRet;
}
pList = pList->m_pNext;
}
return NULL;
}
C_BaseEntity* CClientEntityList::NextBaseEntity( C_BaseEntity *pEnt ) const
{
if ( pEnt == NULL )
return FirstBaseEntity();
// Run through the list until we get a C_BaseEntity.
const CEntInfo *pList = GetEntInfoPtr( pEnt->GetRefEHandle() );
if ( pList )
{
pList = NextEntInfo(pList);
}
while ( pList )
{
if ( pList->m_pEntity )
{
IClientUnknown *pUnk = static_cast<IClientUnknown*>( pList->m_pEntity );
C_BaseEntity *pRet = pUnk->GetBaseEntity();
if ( pRet )
return pRet;
}
pList = pList->m_pNext;
}
return NULL;
}
// -------------------------------------------------------------------------------------------------- //
// C_AllBaseEntityIterator
// -------------------------------------------------------------------------------------------------- //
C_AllBaseEntityIterator::C_AllBaseEntityIterator()
{
Restart();
}
void C_AllBaseEntityIterator::Restart()
{
m_CurBaseEntity = ClientEntityList().m_BaseEntities.Head();
}
C_BaseEntity* C_AllBaseEntityIterator::Next()
{
if ( m_CurBaseEntity == ClientEntityList().m_BaseEntities.InvalidIndex() )
return NULL;
C_BaseEntity *pRet = ClientEntityList().m_BaseEntities[m_CurBaseEntity];
m_CurBaseEntity = ClientEntityList().m_BaseEntities.Next( m_CurBaseEntity );
return pRet;
}
// -------------------------------------------------------------------------------------------------- //
// C_BaseEntityIterator
// -------------------------------------------------------------------------------------------------- //
C_BaseEntityIterator::C_BaseEntityIterator()
{
Restart();
}
void C_BaseEntityIterator::Restart()
{
m_CurBaseEntity = ClientEntityList().m_BaseEntities.Head();
}
C_BaseEntity* C_BaseEntityIterator::Next()
{
// Skip dormant entities
while ( m_CurBaseEntity != ClientEntityList().m_BaseEntities.InvalidIndex() )
{
C_BaseEntity *pRet = ClientEntityList().m_BaseEntities[m_CurBaseEntity];
m_CurBaseEntity = ClientEntityList().m_BaseEntities.Next( m_CurBaseEntity );
if (!pRet->IsDormant())
return pRet;
}
return NULL;
}