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//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 1993-2008 Raven Software
// Copyright(C) 2005-2014 Simon Howard
//
// This program 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 2
// of the License, or (at your option) any later version.
//
// This program 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.
//
// HEADER FILES ------------------------------------------------------------
#include "h2def.h"
#include "p_local.h"
// MACROS ------------------------------------------------------------------
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
static void RunThinkers(void);
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
// PUBLIC DATA DEFINITIONS -------------------------------------------------
int leveltime;
int TimerGame;
thinker_t thinkercap; // The head and tail of the thinker list
// PRIVATE DATA DEFINITIONS ------------------------------------------------
// CODE --------------------------------------------------------------------
//==========================================================================
//
// P_Ticker
//
//==========================================================================
void P_Ticker(void)
{
int i;
if (paused)
{
return;
}
for (i = 0; i < maxplayers; i++)
{
if (playeringame[i])
{
P_PlayerThink(&players[i]);
}
}
if (TimerGame)
{
if (!--TimerGame)
{
G_Completed(P_TranslateMap(P_GetMapNextMap(gamemap)), 0);
}
}
RunThinkers();
P_UpdateSpecials();
P_AnimateSurfaces();
leveltime++;
}
//==========================================================================
//
// RunThinkers
//
//==========================================================================
static void RunThinkers(void)
{
thinker_t *currentthinker, *nextthinker;
currentthinker = thinkercap.next;
while (currentthinker != &thinkercap)
{
nextthinker = currentthinker->next;
if (currentthinker->function == (think_t) - 1)
{ // Time to remove it
currentthinker->next->prev = currentthinker->prev;
currentthinker->prev->next = currentthinker->next;
Z_Free(currentthinker);
}
else if (currentthinker->function)
{
currentthinker->function(currentthinker);
}
currentthinker = nextthinker;
}
}
//==========================================================================
//
// 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)
{
thinker->function = (think_t) - 1;
}
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