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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 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
//
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);
//
// 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);
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);
void P_SpawnPlayerMissile (mobj_t* source, mobjtype_t type);
//
// P_ENEMY
//
void P_NoiseAlert (mobj_t* target, mobj_t* emmiter);
//
// 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;
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__
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