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Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
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PG-SteveT 2020-05-27 12:16:20 -07:00
parent ea8ecc76fa
commit 03416d24e1
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//
// Copyright 2020 Electronic Arts Inc.
//
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
// software: you can redistribute it and/or modify it under the terms of
// the GNU General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
// in the hope that it will be useful, but with permitted additional restrictions
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
// distributed with this program. You should have received a copy of the
// GNU General Public License along with permitted additional restrictions
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
/* $Header: /CounterStrike/CCPTR.H 1 3/03/97 10:24a Joe_bostic $ */
/***********************************************************************************************
*** 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 ***
***********************************************************************************************
* *
* Project Name : Command & Conquer *
* *
* File Name : CCPTR.H *
* *
* Programmer : Joe L. Bostic *
* *
* Start Date : 06/07/96 *
* *
* Last Update : June 7, 1996 [JLB] *
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef CCPTR_H
#define CCPTR_H
/*
** The CCPtr class is designed for a specific purpose. It functions like a pointer except that
** it requires no fixups for saving and loading. If pointer fixups are not an issue, than using
** regular pointers would be more efficient.
*/
template<class T>
class CCPtr
{
public:
CCPtr(void) : ID(-1) {};
CCPtr(NoInitClass const & ) {};
CCPtr(T * ptr);
operator T * (void) const {
if (ID == -1) return(NULL);
assert(Heap != NULL && ID < Heap->Length());
return((T*) (*Heap)[ID]);
}
T & operator * (void) const {
assert(Heap != NULL && ID < Heap->Length());
return(*(T*)(*Heap)[ID]);
}
T * operator -> (void) const {
if (ID == -1) return(NULL);
assert(Heap != NULL && ID < Heap->Length());
return((T*) (*Heap)[ID]);
}
bool Is_Valid(void) const {return(ID != -1);}
bool operator == (CCPtr<T> const & rvalue) const {return(ID == rvalue.ID);}
bool operator != (CCPtr<T> const & rvalue) const {return(ID != rvalue.ID);}
bool operator > (CCPtr<T> const & rvalue) const;
bool operator <= (CCPtr<T> const & rvalue) const {return (rvalue > *this);}
bool operator < (CCPtr<T> const & rvalue) const {return (*this != rvalue && rvalue > *this);}
bool operator >= (CCPtr<T> const & rvalue) const {return (*this == rvalue || rvalue > *this);}
long Raw(void) const {return(ID);}
void Set_Raw(long value) {ID = value;}
static void Set_Heap(FixedIHeapClass *heap) {Heap = heap;}
private:
static FixedIHeapClass * Heap;
/*
** This is the ID number of the object it refers to. By using an ID number, this class can
** be saved and loaded without pointer fixups.
*/
int ID;
};
/*
** These template helper functions tell the compiler what to do in the
** ambiguous case of a CCPtr on one side and a regular type pointer on the
** other side. In such a case the compiler could create a temp CCPtr object
** OR call the conversion operator on the existing CCPtr object. Either way
** is technically valid, but the compiler doesn't know which is better so it
** generates an error. These routines force the conversion operator rather than
** creating a temporary object. This presumes that the conversion operator is
** cheaper than constructing a temporary and that cheaper solutions are desirable.
*/
template<class T>
int operator == (CCPtr<T> & lvalue, T * rvalue)
{
return((T*)lvalue == rvalue);
}
template<class T>
int operator == (T * lvalue, CCPtr<T> & rvalue)
{
return(lvalue == (T*)rvalue);
}
#endif