1 files changed, 155 insertions, 0 deletions
diff --git a/src/hexen/p_tick.c b/src/hexen/p_tick.c
new file mode 100644
index 00000000..ad261981
--- /dev/null
+++ b/src/hexen/p_tick.c
@@ -0,0 +1,155 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 1993-2008 Raven Software
+// Copyright(C) 2008 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.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+//-----------------------------------------------------------------------------
+
+
+// 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;
+}