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136 lines
3.6 KiB
C++
136 lines
3.6 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef CLIENT_THINKLIST_H
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#define CLIENT_THINKLIST_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "igamesystem.h"
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#include "utllinkedlist.h"
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#include "cliententitylist.h"
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#include "iclientthinkable.h"
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#include "utlrbtree.h"
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#define CLIENT_THINK_ALWAYS -1293
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#define CLIENT_THINK_NEVER -1
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#define INVALID_THINK_HANDLE ClientThinkList()->GetInvalidThinkHandle()
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class CClientThinkList : public IGameSystemPerFrame
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{
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public:
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CClientThinkList();
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virtual ~CClientThinkList();
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virtual char const *Name() { return "CClientThinkList"; }
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virtual bool IsPerFrame() { return true; }
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// Set the next time at which you want to think. You can also use
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// one of the CLIENT_THINK_ defines.
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void SetNextClientThink( ClientEntityHandle_t hEnt, float nextTime );
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// Remove an entity from the think list.
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void RemoveThinkable( ClientEntityHandle_t hEnt );
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// Use to initialize your think handles in IClientThinkables.
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ClientThinkHandle_t GetInvalidThinkHandle();
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// This is called after network updating and before rendering.
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void PerformThinkFunctions();
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// Call this to destroy a thinkable object - deletes the object post think.
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void AddToDeleteList( ClientEntityHandle_t hEnt );
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void RemoveFromDeleteList( ClientEntityHandle_t hEnt );
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// IClientSystem implementation.
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public:
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virtual bool Init();
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virtual void PostInit() {};
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virtual void Shutdown();
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virtual void LevelInitPreEntity();
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virtual void LevelInitPostEntity() {}
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virtual void LevelShutdownPreEntity();
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virtual void LevelShutdownPostEntity();
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virtual void PreRender();
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virtual void PostRender() { }
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virtual void Update( float frametime );
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virtual void OnSave() {}
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virtual void OnRestore() {}
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virtual void SafeRemoveIfDesired() {}
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private:
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struct ThinkEntry_t
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{
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ClientEntityHandle_t m_hEnt;
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float m_flNextClientThink;
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float m_flLastClientThink;
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int m_nIterEnum;
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};
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struct ThinkListChanges_t
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{
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ClientEntityHandle_t m_hEnt;
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ClientThinkHandle_t m_hThink;
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float m_flNextTime;
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};
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// Internal stuff.
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private:
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void SetNextClientThink( ClientThinkHandle_t hThink, float nextTime );
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void RemoveThinkable( ClientThinkHandle_t hThink );
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void PerformThinkFunction( ThinkEntry_t *pEntry, float curtime );
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ThinkEntry_t* GetThinkEntry( ClientThinkHandle_t hThink );
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void CleanUpDeleteList();
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// Add entity to frame think list
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void AddEntityToFrameThinkList( ThinkEntry_t *pEntry, bool bAlwaysChain, int &nCount, ThinkEntry_t **ppFrameThinkList );
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private:
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CUtlLinkedList<ThinkEntry_t, unsigned short> m_ThinkEntries;
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CUtlVector<ClientEntityHandle_t> m_aDeleteList;
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CUtlVector<ThinkListChanges_t> m_aChangeList;
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// Makes sure the entries are thinked once per frame in the face of hierarchy
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int m_nIterEnum;
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bool m_bInThinkLoop;
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};
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// -------------------------------------------------------------------------------- //
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// Inlines.
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// -------------------------------------------------------------------------------- //
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inline ClientThinkHandle_t CClientThinkList::GetInvalidThinkHandle()
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{
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return (ClientThinkHandle_t)(uintp)m_ThinkEntries.InvalidIndex();
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}
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inline CClientThinkList::ThinkEntry_t* CClientThinkList::GetThinkEntry( ClientThinkHandle_t hThink )
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{
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return &m_ThinkEntries[ (unsigned long)hThink ];
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}
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inline CClientThinkList* ClientThinkList()
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{
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extern CClientThinkList g_ClientThinkList;
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return &g_ClientThinkList;
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}
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#endif // CLIENT_THINKLIST_H
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