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diff --git a/src/p_map.h b/src/p_map.h
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+/* Emacs style mode select   -*- C++ -*-
+ *-----------------------------------------------------------------------------
+ *
+ *
+ *  PrBoom: a Doom port merged with LxDoom and LSDLDoom
+ *  based on BOOM, a modified and improved DOOM engine
+ *  Copyright (C) 1999 by
+ *  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
+ *  Copyright (C) 1999-2000 by
+ *  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
+ *  Copyright 2005, 2006 by
+ *  Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
+ *
+ *  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.
+ *
+ * DESCRIPTION:
+ *      Map functions
+ *
+ *-----------------------------------------------------------------------------*/
+
+#ifndef __P_MAP__
+#define __P_MAP__
+
+#include "r_defs.h"
+#include "d_player.h"
+
+#define USERANGE        (64*FRACUNIT)
+#define MELEERANGE      (64*FRACUNIT)
+#define MISSILERANGE    (32*64*FRACUNIT)
+
+// MAXRADIUS is for precalculated sector block boxes the spider demon
+// is larger, but we do not have any moving sectors nearby
+#define MAXRADIUS       (32*FRACUNIT)
+
+// killough 3/15/98: add fourth argument to P_TryMove
+boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean dropoff);
+
+// killough 8/9/98: extra argument for telefragging
+boolean P_TeleportMove(mobj_t *thing, fixed_t x, fixed_t y,boolean boss);
+void    P_SlideMove(mobj_t *mo);
+boolean P_CheckSight(mobj_t *t1, mobj_t *t2);
+void    P_UseLines(player_t *player);
+
+// killough 8/2/98: add 'mask' argument to prevent friends autoaiming at others
+fixed_t P_AimLineAttack(mobj_t *t1,angle_t angle,fixed_t distance, uint_64_t mask);
+
+void    P_LineAttack(mobj_t *t1, angle_t angle, fixed_t distance,
+                     fixed_t slope, int damage );
+void    P_RadiusAttack(mobj_t *spot, mobj_t *source, int damage);
+boolean P_CheckPosition(mobj_t *thing, fixed_t x, fixed_t y);
+
+//jff 3/19/98 P_CheckSector(): new routine to replace P_ChangeSector()
+boolean P_ChangeSector(sector_t* sector,boolean crunch);
+boolean P_CheckSector(sector_t *sector, boolean crunch);
+void    P_DelSeclist(msecnode_t*);                          // phares 3/16/98
+void    P_CreateSecNodeList(mobj_t*,fixed_t,fixed_t);       // phares 3/14/98
+boolean Check_Sides(mobj_t *, int, int);                    // phares
+
+int     P_GetMoveFactor(const mobj_t *mo, int *friction);   // killough 8/28/98
+int     P_GetFriction(const mobj_t *mo, int *factor);       // killough 8/28/98
+void    P_ApplyTorque(mobj_t *mo);                          // killough 9/12/98
+
+/* cphipps 2004/08/30 */
+void    P_MapStart(void);
+void    P_MapEnd(void);
+
+// If "floatok" true, move would be ok if within "tmfloorz - tmceilingz".
+extern boolean floatok;
+extern boolean felldown;   // killough 11/98: indicates object pushed off ledge
+extern fixed_t tmfloorz;
+extern fixed_t tmceilingz;
+extern line_t *ceilingline;
+extern line_t *floorline;      // killough 8/23/98
+extern mobj_t *linetarget;     // who got hit (or NULL)
+extern msecnode_t *sector_list;                             // phares 3/16/98
+extern fixed_t tmbbox[4];         // phares 3/20/98
+extern line_t *blockline;   // killough 8/11/98
+
+#endif // __P_MAP__