p_tick.c
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上传日期:2021-05-12
资源大小:455k
文件大小:3k
源码类别:
射击游戏
开发平台:
Visual C++
- // Emacs style mode select -*- C++ -*-
- //-----------------------------------------------------------------------------
- //
- // $Id:$
- //
- // Copyright (C) 1993-1996 by id Software, Inc.
- //
- // This source is available for distribution and/or modification
- // only under the terms of the DOOM Source Code License as
- // published by id Software. All rights reserved.
- //
- // The source is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
- // for more details.
- //
- // $Log:$
- //
- // DESCRIPTION:
- // Archiving: SaveGame I/O.
- // Thinker, Ticker.
- //
- //-----------------------------------------------------------------------------
- static const char
- rcsid[] = "$Id: p_tick.c,v 1.4 1997/02/03 16:47:55 b1 Exp $";
- #include "z_zone.h"
- #include "p_local.h"
- #include "doomstat.h"
- int leveltime;
- //
- // THINKERS
- // All thinkers should be allocated by Z_Malloc
- // so they can be operated on uniformly.
- // The actual structures will vary in size,
- // but the first element must be thinker_t.
- //
- // Both the head and tail of the thinker list.
- thinker_t thinkercap;
- //
- // P_InitThinkers
- //
- void P_InitThinkers (void)
- {
- thinkercap.prev = thinkercap.next = &thinkercap;
- }
- //
- // P_AddThinker
- // Adds a new thinker at the end of the list.
- //
- void P_AddThinker (thinker_t* thinker)
- {
- thinkercap.prev->next = thinker;
- thinker->next = &thinkercap;
- thinker->prev = thinkercap.prev;
- thinkercap.prev = thinker;
- }
- //
- // P_RemoveThinker
- // Deallocation is lazy -- it will not actually be freed
- // until its thinking turn comes up.
- //
- void P_RemoveThinker (thinker_t* thinker)
- {
- // FIXME: NOP.
- thinker->function.acv = (actionf_v)(-1);
- }
- //
- // P_AllocateThinker
- // Allocates memory and adds a new thinker at the end of the list.
- //
- void P_AllocateThinker (thinker_t* thinker)
- {
- }
- //
- // P_RunThinkers
- //
- void P_RunThinkers (void)
- {
- thinker_t* currentthinker;
- currentthinker = thinkercap.next;
- while (currentthinker != &thinkercap)
- {
- if ( currentthinker->function.acv == (actionf_v)(-1) )
- {
- // time to remove it
- currentthinker->next->prev = currentthinker->prev;
- currentthinker->prev->next = currentthinker->next;
- Z_Free (currentthinker);
- }
- else
- {
- if (currentthinker->function.acp1)
- currentthinker->function.acp1 (currentthinker);
- }
- currentthinker = currentthinker->next;
- }
- }
- //
- // P_Ticker
- //
- void WriteDebug(char *);
- void P_Ticker (void)
- {
- int i;
- // run the tic
- if (paused)
- return;
- // pause if in menu and at least one tic has been run
- if (!netgame && menuactive && !demoplayback && players[consoleplayer].viewz != 1)
- {
- return;
- }
- for (i = 0; i < MAXPLAYERS; i++)
- if (playeringame[i])
- P_PlayerThink(&players[i]);
- P_RunThinkers();
- P_UpdateSpecials();
- P_RespawnSpecials();
- // for par times
- leveltime++;
- }