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+// Emacs style mode select -*- C++ -*-
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 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.
+//
+// DESCRIPTION:
+// Play functions, animation, global header.
+//
+//-----------------------------------------------------------------------------
+
+
+#ifndef __P_LOCAL__
+#define __P_LOCAL__
+
+#ifndef __R_LOCAL__
+#include "r_local.h"
+#endif
+
+#define FLOATSPEED (FRACUNIT*5) // villsa [STRIFE] change to 5 (was 4)
+
+
+#define MAXHEALTH 100
+#define VIEWHEIGHT (41*FRACUNIT)
+
+// mapblocks are used to check movement
+// against lines and things
+#define MAPBLOCKUNITS 128
+#define MAPBLOCKSIZE (MAPBLOCKUNITS*FRACUNIT)
+#define MAPBLOCKSHIFT (FRACBITS+7)
+#define MAPBMASK (MAPBLOCKSIZE-1)
+#define MAPBTOFRAC (MAPBLOCKSHIFT-FRACBITS)
+
+
+// player radius for movement checking
+#define PLAYERRADIUS 16*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
+
+#define GRAVITY FRACUNIT
+#define MAXMOVE (30*FRACUNIT)
+
+#define USERANGE (64*FRACUNIT)
+#define MELEERANGE (64*FRACUNIT)
+#define PLAYERMELEERANGE (80*FRACUNIT) // haleyjd [STRIFE] New constant
+#define MISSILERANGE (32*64*FRACUNIT)
+
+// follow a player exlusively for 3 seconds
+#define BASETHRESHOLD 100
+
+
+
+//
+// P_TICK
+//
+
+// both the head and tail of the thinker list
+extern thinker_t thinkercap;
+
+
+void P_InitThinkers (void);
+void P_AddThinker (thinker_t* thinker);
+void P_RemoveThinker (thinker_t* thinker);
+
+
+//
+// P_PSPR
+//
+void P_SetupPsprites (player_t* curplayer);
+void P_MovePsprites (player_t* curplayer);
+void P_DropWeapon (player_t* player);
+
+
+//
+// P_USER
+//
+
+// haleyjd 09/15/10: externalized
+#define INVERSECOLORMAP 32
+
+void P_PlayerThink (player_t* player);
+// haleyjd 08/30/10: [STRIFE] Needed externally
+void P_Thrust (player_t* player, angle_t angle, fixed_t move);
+// villsa [STRIFE]
+char* P_RemoveInventoryItem(player_t *player, int slot, int amount);
+
+
+//
+// P_MOBJ
+//
+#define ONFLOORZ INT_MIN
+#define ONCEILINGZ INT_MAX
+
+// Time interval for item respawning.
+#define ITEMQUESIZE 128
+
+extern mapthing_t itemrespawnque[ITEMQUESIZE];
+extern int itemrespawntime[ITEMQUESIZE];
+extern int iquehead;
+extern int iquetail;
+
+
+void P_RespawnSpecials (void);
+
+mobj_t*
+P_SpawnMobj
+( fixed_t x,
+ fixed_t y,
+ fixed_t z,
+ mobjtype_t type );
+
+void P_RemoveMobj (mobj_t* th);
+mobj_t* P_SubstNullMobj (mobj_t* th);
+boolean P_SetMobjState (mobj_t* mobj, statenum_t state);
+void P_MobjThinker (mobj_t* mobj);
+
+void P_SpawnPuff (fixed_t x, fixed_t y, fixed_t z);
+mobj_t* P_SpawnSparkPuff(fixed_t x, fixed_t y, fixed_t z); // villsa [STRIFE]
+void P_SpawnBlood (fixed_t x, fixed_t y, fixed_t z, int damage);
+mobj_t* P_SpawnMissile (mobj_t* source, mobj_t* dest, mobjtype_t type);
+mobj_t* P_SpawnFacingMissile(mobj_t* source, mobj_t* target, mobjtype_t type); // villsa [STRIFE]
+mobj_t* P_SpawnPlayerMissile(mobj_t* source, mobjtype_t type);
+mobj_t* P_SpawnMortar(mobj_t *source, mobjtype_t type); // villsa [STRIFE]
+void P_ExplodeMissile (mobj_t* mo); // villsa [STRIFE]
+
+
+//
+// P_ENEMY
+//
+void P_NoiseAlert (mobj_t* target, mobj_t* emmiter);
+void P_DoPunchAlert(mobj_t *puncher, mobj_t *punchee); // villsa [STRIFE]
+void A_BodyParts(mobj_t *actor); // haleyjd: [STRIFE]
+void A_AlertSpectreC(mobj_t* actor);
+void A_FaceTarget (mobj_t* actor);
+void P_FreePrisoners(void);
+void P_DestroyConverter(void);
+
+//
+// P_MAPUTL
+//
+typedef struct
+{
+ fixed_t x;
+ fixed_t y;
+ fixed_t dx;
+ fixed_t dy;
+
+} divline_t;
+
+typedef struct
+{
+ fixed_t frac; // along trace line
+ boolean isaline;
+ union {
+ mobj_t* thing;
+ line_t* line;
+ } d;
+} intercept_t;
+
+// Extended MAXINTERCEPTS, to allow for intercepts overrun emulation.
+
+#define MAXINTERCEPTS_ORIGINAL 128
+#define MAXINTERCEPTS (MAXINTERCEPTS_ORIGINAL + 61)
+
+extern intercept_t intercepts[MAXINTERCEPTS];
+extern intercept_t* intercept_p;
+
+typedef boolean (*traverser_t) (intercept_t *in);
+
+fixed_t P_AproxDistance (fixed_t dx, fixed_t dy);
+int P_PointOnLineSide (fixed_t x, fixed_t y, line_t* line);
+int P_PointOnDivlineSide (fixed_t x, fixed_t y, divline_t* line);
+void P_MakeDivline (line_t* li, divline_t* dl);
+fixed_t P_InterceptVector (divline_t* v2, divline_t* v1);
+int P_BoxOnLineSide (fixed_t* tmbox, line_t* ld);
+
+extern fixed_t opentop;
+extern fixed_t openbottom;
+extern fixed_t openrange;
+extern fixed_t lowfloor;
+
+void P_LineOpening (line_t* linedef);
+
+boolean P_BlockLinesIterator (int x, int y, boolean(*func)(line_t*) );
+boolean P_BlockThingsIterator (int x, int y, boolean(*func)(mobj_t*) );
+
+#define PT_ADDLINES 1
+#define PT_ADDTHINGS 2
+#define PT_EARLYOUT 4
+
+extern divline_t trace;
+
+boolean
+P_PathTraverse
+( fixed_t x1,
+ fixed_t y1,
+ fixed_t x2,
+ fixed_t y2,
+ int flags,
+ boolean (*trav) (intercept_t *));
+
+void P_UnsetThingPosition (mobj_t* thing);
+void P_SetThingPosition (mobj_t* thing);
+
+
+//
+// P_MAP
+//
+
+// If "floatok" true, move would be ok
+// if within "tmfloorz - tmceilingz".
+extern boolean floatok;
+extern fixed_t tmfloorz;
+extern fixed_t tmceilingz;
+
+extern line_t *ceilingline;
+extern line_t *blockingline; // [STRIFE] New global
+
+boolean P_CheckPosition (mobj_t *thing, fixed_t x, fixed_t y);
+boolean P_TryMove (mobj_t* thing, fixed_t x, fixed_t y);
+boolean P_CheckPositionZ(mobj_t* thing, fixed_t z); // villsa [STRIFE]
+boolean P_TeleportMove (mobj_t* thing, fixed_t x, fixed_t y);
+void P_SlideMove (mobj_t* mo);
+boolean P_CheckSight (mobj_t* t1, mobj_t* t2);
+void P_UseLines (player_t* player);
+
+boolean P_ChangeSector (sector_t* sector, boolean crunch);
+
+extern mobj_t* linetarget; // who got hit (or NULL)
+
+fixed_t
+P_AimLineAttack
+( mobj_t* t1,
+ angle_t angle,
+ fixed_t distance );
+
+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 );
+
+
+
+//
+// P_SETUP
+//
+extern byte* rejectmatrix; // for fast sight rejection
+extern short* blockmaplump; // offsets in blockmap are from here
+extern short* blockmap;
+extern int bmapwidth;
+extern int bmapheight; // in mapblocks
+extern fixed_t bmaporgx;
+extern fixed_t bmaporgy; // origin of block map
+extern mobj_t** blocklinks; // for thing chains
+
+
+//
+// P_INTER
+//
+extern int maxammo[NUMAMMO];
+extern int clipammo[NUMAMMO];
+
+void
+P_TouchSpecialThing
+( mobj_t* special,
+ mobj_t* toucher );
+
+void
+P_DamageMobj
+( mobj_t* target,
+ mobj_t* inflictor,
+ mobj_t* source,
+ int damage );
+
+
+//
+// P_SPEC
+//
+#include "p_spec.h"
+
+
+#endif // __P_LOCAL__