doom3-bfg/doomclassic/doom/p_tick.cpp
2012-11-26 12:58:24 -06:00

169 lines
3.9 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition 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.
Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#include "Precompiled.h"
#include "globaldata.h"
#include "z_zone.h"
#include "p_local.h"
#include "doomstat.h"
//
// 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.
//
// P_InitThinkers
//
void P_InitThinkers (void)
{
::g->thinkercap.prev = ::g->thinkercap.next = &::g->thinkercap;
}
//
// P_AddThinker
// Adds a new thinker at the end of the list.
//
void P_AddThinker (thinker_t* thinker)
{
::g->thinkercap.prev->next = thinker;
thinker->next = &::g->thinkercap;
thinker->prev = ::g->thinkercap.prev;
::g->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 = ::g->thinkercap.next;
while (currentthinker != &::g->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 ((mobj_t*)currentthinker);
}
currentthinker = currentthinker->next;
}
}
//
// P_Ticker
//
extern byte demoversion;
void P_Ticker (void)
{
int i;
// run the tic
if (::g->paused)
return;
// don't think during wipe
if ( !::g->netgame && (!::g->demoplayback || demoversion == VERSION ) && ::g->wipe ) {
return;
}
// pause if in menu and at least one tic has been run
if ( !::g->netgame
&& ::g->menuactive
&& !::g->demoplayback
&& ::g->players[::g->consoleplayer].viewz != 1)
{
return;
}
for (i=0 ; i<MAXPLAYERS ; i++) {
if (::g->playeringame[i]) {
P_PlayerThink (&::g->players[i]);
}
}
P_RunThinkers ();
P_UpdateSpecials ();
P_RespawnSpecials ();
// for par times
::g->leveltime++;
}