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Initial commit of Command & Conquer Renegade source code.
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LFeenanEA
212
Code/wwlib/refcount.cpp
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212
Code/wwlib/refcount.cpp
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/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Westwood Library *
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* *
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* $Archive:: /Commando/Code/wwlib/refcount.cpp $*
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* *
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* $Author:: Greg_h $*
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* *
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* $Modtime:: 8/28/01 9:24a $*
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* *
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* $Revision:: 17 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* RefCountClass::Add_Active_Ref -- add a new referenced object to the list *
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* RefCountClass::Set_Ref_Owner -- update the owner file/line for the given object *
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* RefCountClass::Remove_Active_Ref -- remove an object from the active refs list *
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* RefCountClass::Validate_Active_Ref -- Confirm a pointer has a node in the active ref list *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "refcount.h"
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#include <windows.h>
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#ifndef NDEBUG
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// #define PARANOID_REFCOUNTS
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/*
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** Static variables for the reference counting system
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*/
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int RefCountClass::TotalRefs = 0;
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RefCountListClass RefCountClass::ActiveRefList;
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/***********************************************************************************************
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* RefCountClass::Add_Active_Ref -- add a new referenced object to the list *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 3/16/98 GTH : Created. *
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*=============================================================================================*/
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RefCountClass * RefCountClass::Add_Active_Ref(RefCountClass *obj)
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{
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ActiveRefList.Add_Head(&(obj->ActiveRefNode));
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obj->ActiveRefInfo.File = NULL; // default to no debug information added.
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obj->ActiveRefInfo.Line = 0;
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return obj;
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}
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/***********************************************************************************************
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* RefCountClass::Set_Ref_Owner -- update the owner file/line for the given object *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 3/16/98 GTH : Created. *
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*=============================================================================================*/
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RefCountClass * RefCountClass::Set_Ref_Owner(RefCountClass *obj,char * file,int line)
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{
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// static RefCountClass *hunt = (RefCountClass *)0x06558890;
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static RefCountClass *hunt = (RefCountClass *)0x0;
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if (obj == hunt) {
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assert(0);
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}
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obj->ActiveRefInfo.File = file;
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obj->ActiveRefInfo.Line = line;
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return obj;
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}
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/***********************************************************************************************
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* RefCountClass::Remove_Active_Ref -- remove an object from the active refs list *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 3/16/98 GTH : Created. *
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*=============================================================================================*/
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void RefCountClass::Remove_Active_Ref(RefCountClass * obj)
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{
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#ifdef PARANOID_REFCOUNTS
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assert(Validate_Active_Ref(obj));
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#endif
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obj->ActiveRefNode.Unlink();
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}
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/***********************************************************************************************
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* RefCountClass::Validate_Active_Ref -- Confirm a pointer has a node in the active ref list *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 2/06/99 EHC: Created. *
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*=============================================================================================*/
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bool RefCountClass::Validate_Active_Ref(RefCountClass * obj)
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{
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RefCountNodeClass *node = ActiveRefList.First();
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while (node) {
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if (node->Get() == obj) return true;
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node = node->Next();
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}
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return false;
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}
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/***********************************************************************************************
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* RefCountClass::Inc_Total_Refs -- increments the total reference count *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 2/06/99 EHC: Created. *
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*=============================================================================================*/
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void RefCountClass::Inc_Total_Refs(RefCountClass * obj)
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{
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#ifdef PARANOID_REFCOUNTS
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assert(Validate_Active_Ref(obj));
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#endif
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TotalRefs++;
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}
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// SKB 7/21/99 Set BreakOnRefernce to a pointer and it will break when called.
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// This is used for debugging, please do not deleted.
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RefCountClass* BreakOnReference = 0;
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#ifndef NDEBUG
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void RefCountClass::Add_Ref(void)
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{
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NumRefs++;
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// See if programmer set break on for a specific address.
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if (this == BreakOnReference) {
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DebugBreak(); // trigger the debugger
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}
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Inc_Total_Refs(this);
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}
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#endif
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/***********************************************************************************************
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* RefCountClass::Validate_Active_Ref -- decrements the total reference count *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 2/06/99 EHC: Created. *
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*=============================================================================================*/
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void RefCountClass::Dec_Total_Refs(RefCountClass * obj)
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{
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#ifdef PARANOID_REFCOUNTS
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assert(Validate_Active_Ref(obj));
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#endif
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TotalRefs--;
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// See if programmer set break on for a specific address.
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if (obj == BreakOnReference) {
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DebugBreak(); // trigger the debugger
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}
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}
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#endif
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