gzdoom-gles/src/dthinker.h

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/*
** dthinker.h
**
**---------------------------------------------------------------------------
** Copyright 1998-2005 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#ifndef __DTHINKER_H__
#define __DTHINKER_H__
#include <stdlib.h>
#include "dobject.h"
#include "lists.h"
class AActor;
class player_s;
struct pspdef_s;
typedef void (*actionf_p)( AActor* );
class FThinkerIterator;
enum { MAX_STATNUM = 127 };
// Doubly linked list of thinkers
class DThinker : public DObject, protected Node
{
DECLARE_CLASS (DThinker, DObject)
public:
DThinker (int statnum = MAX_STATNUM) throw();
void Destroy ();
virtual ~DThinker ();
virtual void Tick ();
virtual void PostBeginPlay (); // Called just before the first tick
void ChangeStatNum (int statnum);
static void RunThinkers ();
static void RunThinkers (int statnum);
static void DestroyAllThinkers ();
static void DestroyMostThinkers ();
static void SerializeAll (FArchive &arc, bool keepPlayers);
static DThinker *FirstThinker (int statnum);
private:
static void DestroyThinkersInList (Node *first);
static void DestroyMostThinkersInList (List &list, int stat);
static int TickThinkers (List *list, List *dest); // Returns: # of thinkers ticked
static List Thinkers[MAX_STATNUM+1]; // Current thinkers
static List FreshThinkers[MAX_STATNUM+1]; // Newly created thinkers
static bool bSerialOverride;
friend class FThinkerIterator;
friend class DObject;
};
class FThinkerIterator
{
private:
const TypeInfo *m_ParentType;
Node *m_CurrThinker;
BYTE m_Stat;
bool m_SearchStats;
bool m_SearchingFresh;
public:
FThinkerIterator (const TypeInfo *type, int statnum=MAX_STATNUM+1);
FThinkerIterator (const TypeInfo *type, int statnum, DThinker *prev);
DThinker *Next ();
void Reinit ();
};
template <class T> class TThinkerIterator : public FThinkerIterator
{
public:
TThinkerIterator (int statnum=MAX_STATNUM+1) : FThinkerIterator (RUNTIME_CLASS(T), statnum)
{
}
TThinkerIterator (int statnum, DThinker *prev) : FThinkerIterator (RUNTIME_CLASS(T), statnum, prev)
{
}
T *Next ()
{
return static_cast<T *>(FThinkerIterator::Next ());
}
};
#endif //__DTHINKER_H__