The DOOM sources as originally released on December 23, 1997

linuxdoom-1.10/d_think.h

@@ -0,0 +1,79 @@
+// 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.
+//
+// DESCRIPTION:
+//  MapObj data. Map Objects or mobjs are actors, entities,
+//  thinker, take-your-pick... anything that moves, acts, or
+//  suffers state changes of more or less violent nature.
+//
+//-----------------------------------------------------------------------------
+
+
+#ifndef __D_THINK__
+#define __D_THINK__
+
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+
+
+//
+// Experimental stuff.
+// To compile this as "ANSI C with classes"
+//  we will need to handle the various
+//  action functions cleanly.
+//
+typedef  void (*actionf_v)();
+typedef  void (*actionf_p1)( void* );
+typedef  void (*actionf_p2)( void*, void* );
+
+typedef union
+{
+  actionf_p1	acp1;
+  actionf_v	acv;
+  actionf_p2	acp2;
+
+} actionf_t;
+
+
+
+
+
+// Historically, "think_t" is yet another
+//  function pointer to a routine to handle
+//  an actor.
+typedef actionf_t  think_t;
+
+
+// Doubly linked list of actors.
+typedef struct thinker_s
+{
+    struct thinker_s*	prev;
+    struct thinker_s*	next;
+    think_t		function;
+    
+} thinker_t;
+
+
+
+#endif
+//-----------------------------------------------------------------------------
+//
+// $Log:$
+//
+//-----------------------------------------------------------------------------