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+// 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.
+//
+//-----------------------------------------------------------------------------
+
+// DoomDef.h
+
+#ifndef __DOOMDEF__
+#define __DOOMDEF__
+#include <stdio.h>
+#include <string.h>
+//haleyjd: removed WATCOMC
+#include <limits.h>
+
+#define HERETIC_VERSION 130
+#define HERETIC_VERSION_TEXT "v1.3"
+
+// if rangecheck is undefined, most parameter validation debugging code
+// will not be compiled
+//#define RANGECHECK
+
+// all external data is defined here
+#include "doomdata.h"
+
+// all important printed strings
+#include "dstrings.h"
+
+// header generated by multigen utility
+#include "info.h"
+
+// WAD file access
+#include "w_wad.h"
+
+// fixed_t
+#include "m_fixed.h"
+
+// angle_t
+#include "tables.h"
+
+// events
+#include "d_event.h"
+
+// gamemode/mission
+#include "d_mode.h"
+
+// ticcmd_t
+#include "d_ticcmd.h"
+
+#define SAVEGAMENAME "hticsav"
+#define SAVEGAMENAMECD "c:\\heretic.cd\\hticsav"
+
+/*
+===============================================================================
+
+ GLOBAL TYPES
+
+===============================================================================
+*/
+
+#define NUMARTIFCTS 28
+#define MAXPLAYERS 4
+
+#define BT_ATTACK 1
+#define BT_USE 2
+#define BT_CHANGE 4 // if true, the next 3 bits hold weapon num
+#define BT_WEAPONMASK (8+16+32)
+#define BT_WEAPONSHIFT 3
+
+#define BT_SPECIAL 128 // game events, not really buttons
+#define BTS_SAVEMASK (4+8+16)
+#define BTS_SAVESHIFT 2
+#define BT_SPECIALMASK 3
+#define BTS_PAUSE 1 // pause the game
+#define BTS_SAVEGAME 2 // save the game at each console
+// savegame slot numbers occupy the second byte of buttons
+
+typedef enum
+{
+ GS_LEVEL,
+ GS_INTERMISSION,
+ GS_FINALE,
+ GS_DEMOSCREEN
+} gamestate_t;
+
+typedef enum
+{
+ ga_nothing,
+ ga_loadlevel,
+ ga_newgame,
+ ga_loadgame,
+ ga_savegame,
+ ga_playdemo,
+ ga_completed,
+ ga_victory,
+ ga_worlddone,
+ ga_screenshot
+} gameaction_t;
+
+typedef enum
+{
+ wipe_0,
+ wipe_1,
+ wipe_2,
+ wipe_3,
+ wipe_4,
+ NUMWIPES,
+ wipe_random
+} wipe_t;
+
+/*
+===============================================================================
+
+ MAPOBJ DATA
+
+===============================================================================
+*/
+
+// think_t is a function pointer to a routine to handle an actor
+typedef void (*think_t) ();
+
+typedef struct thinker_s
+{
+ struct thinker_s *prev, *next;
+ think_t function;
+} thinker_t;
+
+struct player_s;
+
+typedef struct mobj_s
+{
+ thinker_t thinker; // thinker links
+
+// info for drawing
+ fixed_t x, y, z;
+ struct mobj_s *snext, *sprev; // links in sector (if needed)
+ angle_t angle;
+ spritenum_t sprite; // used to find patch_t and flip value
+ int frame; // might be ord with FF_FULLBRIGHT
+
+// interaction info
+ struct mobj_s *bnext, *bprev; // links in blocks (if needed)
+ struct subsector_s *subsector;
+ fixed_t floorz, ceilingz; // closest together of contacted secs
+ fixed_t radius, height; // for movement checking
+ fixed_t momx, momy, momz; // momentums
+
+ int validcount; // if == validcount, already checked
+
+ mobjtype_t type;
+ mobjinfo_t *info; // &mobjinfo[mobj->type]
+ int tics; // state tic counter
+ state_t *state;
+ int damage; // For missiles
+ int flags;
+ int flags2; // Heretic flags
+ int special1; // Special info
+ int special2; // Special info
+ int health;
+ int movedir; // 0-7
+ int movecount; // when 0, select a new dir
+ struct mobj_s *target; // thing being chased/attacked (or NULL)
+ // also the originator for missiles
+ int reactiontime; // if non 0, don't attack yet
+ // used by player to freeze a bit after
+ // teleporting
+ int threshold; // if >0, the target will be chased
+ // no matter what (even if shot)
+ struct player_s *player; // only valid if type == MT_PLAYER
+ int lastlook; // player number last looked for
+
+ mapthing_t spawnpoint; // for nightmare respawn
+} mobj_t;
+
+// each sector has a degenmobj_t in it's center for sound origin purposes
+typedef struct
+{
+ thinker_t thinker; // not used for anything
+ fixed_t x, y, z;
+} degenmobj_t;
+
+//
+// frame flags
+//
+#define FF_FULLBRIGHT 0x8000 // flag in thing->frame
+#define FF_FRAMEMASK 0x7fff
+
+// --- mobj.flags ---
+
+#define MF_SPECIAL 1 // call P_SpecialThing when touched
+#define MF_SOLID 2
+#define MF_SHOOTABLE 4
+#define MF_NOSECTOR 8 // don't use the sector links
+ // (invisible but touchable)
+#define MF_NOBLOCKMAP 16 // don't use the blocklinks
+ // (inert but displayable)
+#define MF_AMBUSH 32
+#define MF_JUSTHIT 64 // try to attack right back
+#define MF_JUSTATTACKED 128 // take at least one step before attacking
+#define MF_SPAWNCEILING 256 // hang from ceiling instead of floor
+#define MF_NOGRAVITY 512 // don't apply gravity every tic
+
+// movement flags
+#define MF_DROPOFF 0x400 // allow jumps from high places
+#define MF_PICKUP 0x800 // for players to pick up items
+#define MF_NOCLIP 0x1000 // player cheat
+#define MF_SLIDE 0x2000 // keep info about sliding along walls
+#define MF_FLOAT 0x4000 // allow moves to any height, no gravity
+#define MF_TELEPORT 0x8000 // don't cross lines or look at heights
+#define MF_MISSILE 0x10000 // don't hit same species, explode on block
+
+#define MF_DROPPED 0x20000 // dropped by a demon, not level spawned
+#define MF_SHADOW 0x40000 // use translucent draw (shadow demons / invis)
+#define MF_NOBLOOD 0x80000 // don't bleed when shot (use puff)
+#define MF_CORPSE 0x100000 // don't stop moving halfway off a step
+#define MF_INFLOAT 0x200000 // floating to a height for a move, don't
+ // auto float to target's height
+
+#define MF_COUNTKILL 0x400000 // count towards intermission kill total
+#define MF_COUNTITEM 0x800000 // count towards intermission item total
+
+#define MF_SKULLFLY 0x1000000 // skull in flight
+#define MF_NOTDMATCH 0x2000000 // don't spawn in death match (key cards)
+
+#define MF_TRANSLATION 0xc000000 // if 0x4 0x8 or 0xc, use a translation
+#define MF_TRANSSHIFT 26 // table for player colormaps
+
+// --- mobj.flags2 ---
+
+#define MF2_LOGRAV 0x00000001 // alternate gravity setting
+#define MF2_WINDTHRUST 0x00000002 // gets pushed around by the wind
+ // specials
+#define MF2_FLOORBOUNCE 0x00000004 // bounces off the floor
+#define MF2_THRUGHOST 0x00000008 // missile will pass through ghosts
+#define MF2_FLY 0x00000010 // fly mode is active
+#define MF2_FOOTCLIP 0x00000020 // if feet are allowed to be clipped
+#define MF2_SPAWNFLOAT 0x00000040 // spawn random float z
+#define MF2_NOTELEPORT 0x00000080 // does not teleport
+#define MF2_RIP 0x00000100 // missile rips through solid
+ // targets
+#define MF2_PUSHABLE 0x00000200 // can be pushed by other moving
+ // mobjs
+#define MF2_SLIDE 0x00000400 // slides against walls
+#define MF2_ONMOBJ 0x00000800 // mobj is resting on top of another
+ // mobj
+#define MF2_PASSMOBJ 0x00001000 // Enable z block checking. If on,
+ // this flag will allow the mobj to
+ // pass over/under other mobjs.
+#define MF2_CANNOTPUSH 0x00002000 // cannot push other pushable mobjs
+#define MF2_FEETARECLIPPED 0x00004000 // a mobj's feet are now being cut
+#define MF2_BOSS 0x00008000 // mobj is a major boss
+#define MF2_FIREDAMAGE 0x00010000 // does fire damage
+#define MF2_NODMGTHRUST 0x00020000 // does not thrust target when
+ // damaging
+#define MF2_TELESTOMP 0x00040000 // mobj can stomp another
+#define MF2_FLOATBOB 0x00080000 // use float bobbing z movement
+#define MF2_DONTDRAW 0X00100000 // don't generate a vissprite
+
+//=============================================================================
+typedef enum
+{
+ PST_LIVE, // playing
+ PST_DEAD, // dead on the ground
+ PST_REBORN // ready to restart
+} playerstate_t;
+
+// psprites are scaled shapes directly on the view screen
+// coordinates are given for a 320*200 view screen
+typedef enum
+{
+ ps_weapon,
+ ps_flash,
+ NUMPSPRITES
+} psprnum_t;
+
+typedef struct
+{
+ state_t *state; // a NULL state means not active
+ int tics;
+ fixed_t sx, sy;
+} pspdef_t;
+
+typedef enum
+{
+ key_yellow,
+ key_green,
+ key_blue,
+ NUMKEYS
+} keytype_t;
+
+typedef enum
+{
+ wp_staff,
+ wp_goldwand,
+ wp_crossbow,
+ wp_blaster,
+ wp_skullrod,
+ wp_phoenixrod,
+ wp_mace,
+ wp_gauntlets,
+ wp_beak,
+ NUMWEAPONS,
+ wp_nochange
+} weapontype_t;
+
+#define AMMO_GWND_WIMPY 10
+#define AMMO_GWND_HEFTY 50
+#define AMMO_CBOW_WIMPY 5
+#define AMMO_CBOW_HEFTY 20
+#define AMMO_BLSR_WIMPY 10
+#define AMMO_BLSR_HEFTY 25
+#define AMMO_SKRD_WIMPY 20
+#define AMMO_SKRD_HEFTY 100
+#define AMMO_PHRD_WIMPY 1
+#define AMMO_PHRD_HEFTY 10
+#define AMMO_MACE_WIMPY 20
+#define AMMO_MACE_HEFTY 100
+
+typedef enum
+{
+ am_goldwand,
+ am_crossbow,
+ am_blaster,
+ am_skullrod,
+ am_phoenixrod,
+ am_mace,
+ NUMAMMO,
+ am_noammo // staff, gauntlets
+} ammotype_t;
+
+typedef struct
+{
+ ammotype_t ammo;
+ int upstate;
+ int downstate;
+ int readystate;
+ int atkstate;
+ int holdatkstate;
+ int flashstate;
+} weaponinfo_t;
+
+extern weaponinfo_t wpnlev1info[NUMWEAPONS];
+extern weaponinfo_t wpnlev2info[NUMWEAPONS];
+
+typedef enum
+{
+ arti_none,
+ arti_invulnerability,
+ arti_invisibility,
+ arti_health,
+ arti_superhealth,
+ arti_tomeofpower,
+ arti_torch,
+ arti_firebomb,
+ arti_egg,
+ arti_fly,
+ arti_teleport,
+ NUMARTIFACTS
+} artitype_t;
+
+typedef enum
+{
+ pw_None,
+ pw_invulnerability,
+ pw_invisibility,
+ pw_allmap,
+ pw_infrared,
+ pw_weaponlevel2,
+ pw_flight,
+ pw_shield,
+ pw_health2,
+ NUMPOWERS
+} powertype_t;
+
+#define INVULNTICS (30*35)
+#define INVISTICS (60*35)
+#define INFRATICS (120*35)
+#define IRONTICS (60*35)
+#define WPNLEV2TICS (40*35)
+#define FLIGHTTICS (60*35)
+
+#define CHICKENTICS (40*35)
+
+#define MESSAGETICS (4*35)
+#define BLINKTHRESHOLD (4*32)
+
+#define NUMINVENTORYSLOTS 14
+typedef struct
+{
+ int type;
+ int count;
+} inventory_t;
+
+/*
+================
+=
+= player_t
+=
+================
+*/
+
+typedef struct player_s
+{
+ mobj_t *mo;
+ playerstate_t playerstate;
+ ticcmd_t cmd;
+
+ fixed_t viewz; // focal origin above r.z
+ fixed_t viewheight; // base height above floor for viewz
+ fixed_t deltaviewheight; // squat speed
+ fixed_t bob; // bounded/scaled total momentum
+
+ int flyheight;
+ int lookdir;
+ boolean centering;
+ int health; // only used between levels, mo->health
+ // is used during levels
+ int armorpoints, armortype; // armor type is 0-2
+
+ inventory_t inventory[NUMINVENTORYSLOTS];
+ artitype_t readyArtifact;
+ int artifactCount;
+ int inventorySlotNum;
+ int powers[NUMPOWERS];
+ boolean keys[NUMKEYS];
+ boolean backpack;
+ signed int frags[MAXPLAYERS]; // kills of other players
+ weapontype_t readyweapon;
+ weapontype_t pendingweapon; // wp_nochange if not changing
+ boolean weaponowned[NUMWEAPONS];
+ int ammo[NUMAMMO];
+ int maxammo[NUMAMMO];
+ int attackdown, usedown; // true if button down last tic
+ int cheats; // bit flags
+
+ int refire; // refired shots are less accurate
+
+ int killcount, itemcount, secretcount; // for intermission
+ char *message; // hint messages
+ int messageTics; // counter for showing messages
+ int damagecount, bonuscount; // for screen flashing
+ int flamecount; // for flame thrower duration
+ mobj_t *attacker; // who did damage (NULL for floors)
+ int extralight; // so gun flashes light up areas
+ int fixedcolormap; // can be set to REDCOLORMAP, etc
+ int colormap; // 0-3 for which color to draw player
+ pspdef_t psprites[NUMPSPRITES]; // view sprites (gun, etc)
+ boolean didsecret; // true if secret level has been done
+ int chickenTics; // player is a chicken if > 0
+ int chickenPeck; // chicken peck countdown
+ mobj_t *rain1; // active rain maker 1
+ mobj_t *rain2; // active rain maker 2
+} player_t;
+
+#define CF_NOCLIP 1
+#define CF_GODMODE 2
+#define CF_NOMOMENTUM 4 // not really a cheat, just a debug aid
+
+
+#define BACKUPTICS 12 // CHANGED FROM 12 !?!?
+
+typedef struct
+{
+ unsigned checksum; // high bit is retransmit request
+ byte retransmitfrom; // only valid if NCMD_RETRANSMIT
+ byte starttic;
+ byte player, numtics;
+ ticcmd_t cmds[BACKUPTICS];
+} doomdata_t;
+
+typedef struct
+{
+ int id;
+ short intnum; // DOOM executes an int to execute commands
+
+// communication between DOOM and the driver
+ short command; // CMD_SEND or CMD_GET
+ short remotenode; // dest for send, set by get (-1 = no packet)
+ short datalength; // bytes in doomdata to be sent
+
+// info common to all nodes
+ short numnodes; // console is allways node 0
+ short ticdup; // 1 = no duplication, 2-5 = dup for slow nets
+ short extratics; // 1 = send a backup tic in every packet
+ short deathmatch; // 1 = deathmatch
+ short savegame; // -1 = new game, 0-5 = load savegame
+ short episode; // 1-3
+ short map; // 1-9
+ short skill; // 1-5
+
+// info specific to this node
+ short consoleplayer;
+ short numplayers;
+ short angleoffset; // 1 = left, 0 = center, -1 = right
+ short drone; // 1 = drone
+
+// packet data to be sent
+ doomdata_t data;
+} doomcom_t;
+
+#define DOOMCOM_ID 0x12345678l
+
+extern doomcom_t *doomcom;
+extern doomdata_t *netbuffer; // points inside doomcom
+
+#define MAXNETNODES 8 // max computers in a game
+
+#define CMD_SEND 1
+#define CMD_GET 2
+
+#define SBARHEIGHT 42 // status bar height at bottom of screen
+
+
+/*
+===============================================================================
+
+ GLOBAL VARIABLES
+
+===============================================================================
+*/
+
+#define TELEFOGHEIGHT (32*FRACUNIT)
+
+extern gameaction_t gameaction;
+
+extern boolean paused;
+
+extern GameMode_t gamemode;
+extern GameMission_t gamemission;
+
+extern boolean ExtendedWAD; // true if main WAD is the extended version
+
+extern boolean nomonsters; // checkparm of -nomonsters
+
+extern boolean respawnparm; // checkparm of -respawn
+
+extern boolean debugmode; // checkparm of -debug
+
+extern boolean usergame; // ok to save / end game
+
+extern boolean ravpic; // checkparm of -ravpic
+
+extern boolean altpal; // checkparm to use an alternate palette routine
+
+extern boolean cdrom; // true if cd-rom mode active ("-cdrom")
+
+extern boolean deathmatch; // only if started as net death
+
+extern boolean netgame; // only true if >1 player
+
+extern boolean playeringame[MAXPLAYERS];
+
+extern int consoleplayer; // player taking events and displaying
+
+extern int displayplayer;
+
+extern int viewangleoffset; // ANG90 = left side, ANG270 = right
+
+extern player_t players[MAXPLAYERS];
+
+extern boolean singletics; // debug flag to cancel adaptiveness
+
+extern boolean DebugSound; // debug flag for displaying sound info
+
+extern int maxammo[NUMAMMO];
+extern int GetWeaponAmmo[NUMWEAPONS];
+
+extern boolean demoplayback;
+extern int skytexture;
+
+extern gamestate_t gamestate;
+extern skill_t gameskill;
+extern boolean respawnmonsters;
+extern int gameepisode;
+extern int gamemap;
+extern int prevmap;
+extern int totalkills, totalitems, totalsecret; // for intermission
+extern int levelstarttic; // gametic at level start
+extern int leveltime; // tics in game play for par
+
+extern ticcmd_t netcmds[MAXPLAYERS][BACKUPTICS];
+extern int ticdup;
+
+#define MAXNETNODES 8
+extern ticcmd_t localcmds[BACKUPTICS];
+extern int gametic, maketic;
+extern int nettics[MAXNETNODES];
+
+#define SAVEGAMESIZE 0x30000
+#define SAVESTRINGSIZE 24
+extern byte *savebuffer;
+extern byte *save_p;
+
+extern mapthing_t *deathmatch_p;
+extern mapthing_t deathmatchstarts[10];
+extern mapthing_t playerstarts[MAXPLAYERS];
+
+extern int viewwindowx;
+extern int viewwindowy;
+extern int viewwidth;
+extern int scaledviewwidth;
+extern int viewheight;
+
+extern int mouseSensitivity;
+
+extern boolean precache; // if true, load all graphics at level load
+
+extern boolean singledemo; // quit after playing a demo from cmdline
+
+extern FILE *debugfile;
+extern int bodyqueslot;
+extern skill_t startskill;
+extern int startepisode;
+extern int startmap;
+extern boolean autostart;
+
+/*
+===============================================================================
+
+ GLOBAL FUNCTIONS
+
+===============================================================================
+*/
+
+#include "z_zone.h"
+
+//----------
+//BASE LEVEL
+//----------
+void D_DoomMain(void);
+void IncThermo(void);
+void InitThermo(int max);
+void tprintf(char *string, int initflag);
+// not a globally visible function, just included for source reference
+// calls all startup code
+// parses command line options
+// if not overrided, calls N_AdvanceDemo
+
+void D_DoomLoop(void);
+// not a globally visible function, just included for source reference
+// called by D_DoomMain, never exits
+// manages timing and IO
+// calls all ?_Responder, ?_Ticker, and ?_Drawer functions
+// calls I_GetTime, I_StartFrame, and I_StartTic
+
+void NetUpdate(void);
+// create any new ticcmds and broadcast to other players
+
+void D_QuitNetGame(void);
+// broadcasts special packets to other players to notify of game exit
+
+void TryRunTics(void);
+
+//---------
+//SYSTEM IO
+//---------
+
+byte *I_ZoneBase(int *size);
+// called by startup code to get the ammount of memory to malloc
+// for the zone management
+
+// asyncronous interrupt functions should maintain private ques that are
+// read by the syncronous functions to be converted into events
+
+// Copy buffer to video
+
+byte *I_AllocLow(int length);
+// allocates from low memory under dos, just mallocs under unix
+
+// haleyjd: was WATCOMC, preserved for historical interest.
+// This is similar to the -control structure in DOOM v1.4 and Strife.
+#if 0
+extern boolean useexterndriver;
+
+#define EBT_FIRE 1
+#define EBT_OPENDOOR 2
+#define EBT_SPEED 4
+#define EBT_STRAFE 8
+#define EBT_MAP 0x10
+#define EBT_INVENTORYLEFT 0x20
+#define EBT_INVENTORYRIGHT 0x40
+#define EBT_USEARTIFACT 0x80
+#define EBT_FLYDROP 0x100
+#define EBT_CENTERVIEW 0x200
+#define EBT_PAUSE 0x400
+#define EBT_WEAPONCYCLE 0x800
+
+typedef struct
+{
+ short vector; // Interrupt vector
+
+ signed char moveForward; // forward/backward (maxes at 50)
+ signed char moveSideways; // strafe (maxes at 24)
+ short angleTurn; // turning speed (640 [slow] 1280 [fast])
+ short angleHead; // head angle (+2080 [left] : 0 [center] : -2048 [right])
+ signed char pitch; // look up/down (-110 : +90)
+ signed char flyDirection; // flyheight (+1/-1)
+ unsigned short buttons; // EBT_* flags
+} externdata_t;
+#endif
+
+//----
+//GAME
+//----
+
+void G_DeathMatchSpawnPlayer(int playernum);
+
+void G_InitNew(skill_t skill, int episode, int map);
+
+void G_DeferedInitNew(skill_t skill, int episode, int map);
+// can be called by the startup code or M_Responder
+// a normal game starts at map 1, but a warp test can start elsewhere
+
+void G_DeferedPlayDemo(char *demo);
+
+void G_LoadGame(char *name);
+// can be called by the startup code or M_Responder
+// calls P_SetupLevel or W_EnterWorld
+void G_DoLoadGame(void);
+
+void G_SaveGame(int slot, char *description);
+// called by M_Responder
+
+// Support routines for saving games
+void SV_Open(char *fileName);
+void SV_Close(char *fileName);
+void SV_Write(void *buffer, int size);
+void SV_WriteByte(byte val);
+void SV_WriteWord(unsigned short val);
+void SV_WriteLong(unsigned int val);
+
+void G_RecordDemo(skill_t skill, int numplayers, int episode, int map,
+ char *name);
+// only called by startup code
+
+void G_PlayDemo(char *name);
+void G_TimeDemo(char *name);
+
+void G_ExitLevel(void);
+void G_SecretExitLevel(void);
+
+void G_WorldDone(void);
+
+void G_Ticker(void);
+boolean G_Responder(event_t * ev);
+
+void G_ScreenShot(void);
+
+//-----
+//PLAY
+//-----
+
+void P_Ticker(void);
+// called by C_Ticker
+// can call G_PlayerExited
+// carries out all thinking of monsters and players
+
+void P_SetupLevel(int episode, int map, int playermask, skill_t skill);
+// called by W_Ticker
+
+void P_Init(void);
+// called by startup code
+
+void P_ArchivePlayers(void);
+void P_UnArchivePlayers(void);
+void P_ArchiveWorld(void);
+void P_UnArchiveWorld(void);
+void P_ArchiveThinkers(void);
+void P_UnArchiveThinkers(void);
+void P_ArchiveSpecials(void);
+void P_UnArchiveSpecials(void);
+// load / save game routines
+
+
+//-------
+//REFRESH
+//-------
+
+extern boolean setsizeneeded;
+
+extern boolean BorderNeedRefresh;
+extern boolean BorderTopRefresh;
+
+extern int UpdateState;
+// define the different areas for the dirty map
+#define I_NOUPDATE 0
+#define I_FULLVIEW 1
+#define I_STATBAR 2
+#define I_MESSAGES 4
+#define I_FULLSCRN 8
+
+void R_RenderPlayerView(player_t * player);
+// called by G_Drawer
+
+void R_Init(void);
+// called by startup code
+
+void R_DrawViewBorder(void);
+void R_DrawTopBorder(void);
+// if the view size is not full screen, draws a border around it
+
+void R_SetViewSize(int blocks, int detail);
+// called by M_Responder
+
+int R_FlatNumForName(char *name);
+
+int R_TextureNumForName(char *name);
+int R_CheckTextureNumForName(char *name);
+// called by P_Ticker for switches and animations
+// returns the texture number for the texture name
+
+
+//----
+//MISC
+//----
+// returns the position of the given parameter in the arg list (0 if not found)
+
+int M_DrawText(int x, int y, boolean direct, char *string);
+
+//----------------------
+// Interlude (IN_lude.c)
+//----------------------
+
+extern boolean intermission;
+
+void IN_Start(void);
+void IN_Ticker(void);
+void IN_Drawer(void);
+
+//----------------------
+// Chat mode (CT_chat.c)
+//----------------------
+
+void CT_Init(void);
+void CT_Drawer(void);
+boolean CT_Responder(event_t * ev);
+void CT_Ticker(void);
+char CT_dequeueChatChar(void);
+
+extern boolean chatmodeon;
+extern boolean ultimatemsg;
+
+//--------------------
+// Finale (F_finale.c)
+//--------------------
+
+void F_Drawer(void);
+void F_Ticker(void);
+void F_StartFinale(void);
+
+//----------------------
+// STATUS BAR (SB_bar.c)
+//----------------------
+
+extern int SB_state;
+void SB_Init(void);
+boolean SB_Responder(event_t * event);
+void SB_Ticker(void);
+void SB_Drawer(void);
+
+//-----------------
+// MENU (MN_menu.c)
+//-----------------
+
+extern boolean MenuActive;
+
+void MN_Init(void);
+void MN_ActivateMenu(void);
+void MN_DeactivateMenu(void);
+boolean MN_Responder(event_t * event);
+void MN_Ticker(void);
+void MN_Drawer(void);
+void MN_DrTextA(char *text, int x, int y);
+int MN_TextAWidth(char *text);
+void MN_DrTextB(char *text, int x, int y);
+int MN_TextBWidth(char *text);
+
+#include "sounds.h"
+
+#endif // __DOOMDEF__
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