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//**************************************************************************
//**
//** p_tick.c : Heretic 2 : Raven Software, Corp.
//**
//** $RCSfile: p_tick.c,v $
//** $Revision: 1.5 $
//** $Date: 95/10/08 21:53:00 $
//** $Author: bgokey $
//**
//**************************************************************************
// 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;
currentthinker = thinkercap.next;
while(currentthinker != &thinkercap)
{
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 = currentthinker->next;
}
}
//==========================================================================
//
// 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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