mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-23 06:36:54 +00:00
309 lines
8.8 KiB
C++
309 lines
8.8 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $Workfile: $
|
|
// $Date: $
|
|
// $NoKeywords: $
|
|
//===========================================================================//
|
|
#if !defined( CLIENTENTITYLIST_H )
|
|
#define CLIENTENTITYLIST_H
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "tier0/dbg.h"
|
|
#include "icliententitylist.h"
|
|
#include "iclientunknown.h"
|
|
#include "utllinkedlist.h"
|
|
#include "utlvector.h"
|
|
#include "icliententityinternal.h"
|
|
#include "ispatialpartition.h"
|
|
#include "cdll_util.h"
|
|
#include "entitylist_base.h"
|
|
#include "utlmap.h"
|
|
|
|
class C_Beam;
|
|
class C_BaseViewModel;
|
|
class C_BaseEntity;
|
|
|
|
|
|
#define INPVS_YES 0x0001 // The entity thinks it's in the PVS.
|
|
#define INPVS_THISFRAME 0x0002 // Accumulated as different views are rendered during the frame and used to notify the entity if
|
|
// it is not in the PVS anymore (at the end of the frame).
|
|
#define INPVS_NEEDSNOTIFY 0x0004 // The entity thinks it's in the PVS.
|
|
|
|
class IClientEntityListener;
|
|
|
|
abstract_class C_BaseEntityClassList
|
|
{
|
|
public:
|
|
C_BaseEntityClassList();
|
|
~C_BaseEntityClassList();
|
|
virtual void LevelShutdown() = 0;
|
|
|
|
C_BaseEntityClassList *m_pNextClassList;
|
|
};
|
|
|
|
template< class T >
|
|
class C_EntityClassList : public C_BaseEntityClassList
|
|
{
|
|
public:
|
|
virtual void LevelShutdown() { m_pClassList = NULL; }
|
|
|
|
void Insert( T *pEntity )
|
|
{
|
|
pEntity->m_pNext = m_pClassList;
|
|
m_pClassList = pEntity;
|
|
}
|
|
|
|
void Remove( T *pEntity )
|
|
{
|
|
T **pPrev = &m_pClassList;
|
|
T *pCur = *pPrev;
|
|
while ( pCur )
|
|
{
|
|
if ( pCur == pEntity )
|
|
{
|
|
*pPrev = pCur->m_pNext;
|
|
return;
|
|
}
|
|
pPrev = &pCur->m_pNext;
|
|
pCur = *pPrev;
|
|
}
|
|
}
|
|
|
|
static T *m_pClassList;
|
|
};
|
|
|
|
|
|
// Maximum size of entity list
|
|
#define INVALID_CLIENTENTITY_HANDLE CBaseHandle( INVALID_EHANDLE_INDEX )
|
|
|
|
|
|
//
|
|
// This is the IClientEntityList implemenation. It serves two functions:
|
|
//
|
|
// 1. It converts server entity indices into IClientNetworkables for the engine.
|
|
//
|
|
// 2. It provides a place to store IClientUnknowns and gives out ClientEntityHandle_t's
|
|
// so they can be indexed and retreived. For example, this is how static props are referenced
|
|
// by the spatial partition manager - it doesn't know what is being inserted, so it's
|
|
// given ClientEntityHandle_t's, and the handlers for spatial partition callbacks can
|
|
// use the client entity list to look them up and check for supported interfaces.
|
|
//
|
|
class CClientEntityList : public CBaseEntityList, public IClientEntityList
|
|
{
|
|
friend class C_BaseEntityIterator;
|
|
friend class C_AllBaseEntityIterator;
|
|
|
|
public:
|
|
// Constructor, destructor
|
|
CClientEntityList( void );
|
|
virtual ~CClientEntityList( void );
|
|
|
|
void Release(); // clears everything and releases entities
|
|
|
|
|
|
// Implement IClientEntityList
|
|
public:
|
|
|
|
virtual IClientNetworkable* GetClientNetworkable( int entnum );
|
|
virtual IClientEntity* GetClientEntity( int entnum );
|
|
|
|
virtual int NumberOfEntities( bool bIncludeNonNetworkable = false );
|
|
|
|
virtual IClientUnknown* GetClientUnknownFromHandle( ClientEntityHandle_t hEnt );
|
|
virtual IClientNetworkable* GetClientNetworkableFromHandle( ClientEntityHandle_t hEnt );
|
|
virtual IClientEntity* GetClientEntityFromHandle( ClientEntityHandle_t hEnt );
|
|
|
|
virtual int GetHighestEntityIndex( void );
|
|
|
|
virtual void SetMaxEntities( int maxents );
|
|
virtual int GetMaxEntities( );
|
|
|
|
|
|
// CBaseEntityList overrides.
|
|
protected:
|
|
|
|
virtual void OnAddEntity( IHandleEntity *pEnt, CBaseHandle handle );
|
|
virtual void OnRemoveEntity( IHandleEntity *pEnt, CBaseHandle handle );
|
|
|
|
|
|
// Internal to client DLL.
|
|
public:
|
|
|
|
// All methods of accessing specialized IClientUnknown's go through here.
|
|
IClientUnknown* GetListedEntity( int entnum );
|
|
|
|
// Simple wrappers for convenience..
|
|
C_BaseEntity* GetBaseEntity( int entnum );
|
|
ICollideable* GetCollideable( int entnum );
|
|
|
|
IClientRenderable* GetClientRenderableFromHandle( ClientEntityHandle_t hEnt );
|
|
C_BaseEntity* GetBaseEntityFromHandle( ClientEntityHandle_t hEnt );
|
|
ICollideable* GetCollideableFromHandle( ClientEntityHandle_t hEnt );
|
|
IClientThinkable* GetClientThinkableFromHandle( ClientEntityHandle_t hEnt );
|
|
|
|
// Convenience methods to convert between entindex + ClientEntityHandle_t
|
|
ClientEntityHandle_t EntIndexToHandle( int entnum );
|
|
int HandleToEntIndex( ClientEntityHandle_t handle );
|
|
|
|
// Is a handle valid?
|
|
bool IsHandleValid( ClientEntityHandle_t handle ) const;
|
|
|
|
// For backwards compatibility...
|
|
C_BaseEntity* GetEnt( int entnum ) { return GetBaseEntity( entnum ); }
|
|
|
|
void RecomputeHighestEntityUsed( void );
|
|
|
|
|
|
// Use this to iterate over all the C_BaseEntities.
|
|
C_BaseEntity* FirstBaseEntity() const;
|
|
C_BaseEntity* NextBaseEntity( C_BaseEntity *pEnt ) const;
|
|
|
|
class CPVSNotifyInfo
|
|
{
|
|
public:
|
|
IPVSNotify *m_pNotify;
|
|
IClientRenderable *m_pRenderable;
|
|
unsigned char m_InPVSStatus; // Combination of the INPVS_ flags.
|
|
unsigned short m_PVSNotifiersLink; // Into m_PVSNotifyInfos.
|
|
};
|
|
|
|
// Get the list of all PVS notifiers.
|
|
CUtlLinkedList<CPVSNotifyInfo,unsigned short>& GetPVSNotifiers();
|
|
|
|
CUtlVector<IClientEntityListener *> m_entityListeners;
|
|
|
|
// add a class that gets notified of entity events
|
|
void AddListenerEntity( IClientEntityListener *pListener );
|
|
void RemoveListenerEntity( IClientEntityListener *pListener );
|
|
|
|
void NotifyCreateEntity( C_BaseEntity *pEnt );
|
|
void NotifyRemoveEntity( C_BaseEntity *pEnt );
|
|
|
|
private:
|
|
|
|
// Cached info for networked entities.
|
|
struct EntityCacheInfo_t
|
|
{
|
|
// Cached off because GetClientNetworkable is called a *lot*
|
|
IClientNetworkable *m_pNetworkable;
|
|
unsigned short m_BaseEntitiesIndex; // Index into m_BaseEntities (or m_BaseEntities.InvalidIndex() if none).
|
|
};
|
|
|
|
// Current count
|
|
int m_iNumServerEnts;
|
|
// Max allowed
|
|
int m_iMaxServerEnts;
|
|
|
|
int m_iNumClientNonNetworkable;
|
|
|
|
// Current last used slot
|
|
int m_iMaxUsedServerIndex;
|
|
|
|
// This holds fast lookups for special edicts.
|
|
EntityCacheInfo_t m_EntityCacheInfo[NUM_ENT_ENTRIES];
|
|
|
|
// For fast iteration.
|
|
CUtlLinkedList<C_BaseEntity*, unsigned short> m_BaseEntities;
|
|
|
|
|
|
private:
|
|
|
|
void AddPVSNotifier( IClientUnknown *pUnknown );
|
|
void RemovePVSNotifier( IClientUnknown *pUnknown );
|
|
|
|
// These entities want to know when they enter and leave the PVS (server entities
|
|
// already can get the equivalent notification with NotifyShouldTransmit, but client
|
|
// entities have to get it this way).
|
|
CUtlLinkedList<CPVSNotifyInfo,unsigned short> m_PVSNotifyInfos;
|
|
CUtlMap<IClientUnknown*,unsigned short,unsigned short> m_PVSNotifierMap; // Maps IClientUnknowns to indices into m_PVSNotifyInfos.
|
|
};
|
|
|
|
|
|
// Use this to iterate over *all* (even dormant) the C_BaseEntities in the client entity list.
|
|
class C_AllBaseEntityIterator
|
|
{
|
|
public:
|
|
C_AllBaseEntityIterator();
|
|
|
|
void Restart();
|
|
C_BaseEntity* Next(); // keep calling this until it returns null.
|
|
|
|
private:
|
|
unsigned short m_CurBaseEntity;
|
|
};
|
|
|
|
class C_BaseEntityIterator
|
|
{
|
|
public:
|
|
C_BaseEntityIterator();
|
|
|
|
void Restart();
|
|
C_BaseEntity* Next(); // keep calling this until it returns null.
|
|
|
|
private:
|
|
unsigned short m_CurBaseEntity;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Inline methods
|
|
//-----------------------------------------------------------------------------
|
|
inline bool CClientEntityList::IsHandleValid( ClientEntityHandle_t handle ) const
|
|
{
|
|
return handle.Get() != 0;
|
|
}
|
|
|
|
inline IClientUnknown* CClientEntityList::GetListedEntity( int entnum )
|
|
{
|
|
return (IClientUnknown*)LookupEntityByNetworkIndex( entnum );
|
|
}
|
|
|
|
inline IClientUnknown* CClientEntityList::GetClientUnknownFromHandle( ClientEntityHandle_t hEnt )
|
|
{
|
|
return (IClientUnknown*)LookupEntity( hEnt );
|
|
}
|
|
|
|
inline CUtlLinkedList<CClientEntityList::CPVSNotifyInfo,unsigned short>& CClientEntityList::GetPVSNotifiers()
|
|
{
|
|
return m_PVSNotifyInfos;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Convenience methods to convert between entindex + ClientEntityHandle_t
|
|
//-----------------------------------------------------------------------------
|
|
inline ClientEntityHandle_t CClientEntityList::EntIndexToHandle( int entnum )
|
|
{
|
|
if ( entnum < -1 )
|
|
return INVALID_EHANDLE_INDEX;
|
|
IClientUnknown *pUnk = GetListedEntity( entnum );
|
|
return pUnk ? pUnk->GetRefEHandle() : INVALID_EHANDLE_INDEX;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Returns the client entity list
|
|
//-----------------------------------------------------------------------------
|
|
extern CClientEntityList *cl_entitylist;
|
|
|
|
inline CClientEntityList& ClientEntityList()
|
|
{
|
|
return *cl_entitylist;
|
|
}
|
|
|
|
// Implement this class and register with entlist to receive entity create/delete notification
|
|
class IClientEntityListener
|
|
{
|
|
public:
|
|
virtual void OnEntityCreated( C_BaseEntity *pEntity ) {};
|
|
//virtual void OnEntitySpawned( C_BaseEntity *pEntity ) {};
|
|
virtual void OnEntityDeleted( C_BaseEntity *pEntity ) {};
|
|
};
|
|
|
|
|
|
#endif // CLIENTENTITYLIST_H
|
|
|