doomdef.h

//
// Copyright (C) 1993-1996 Id Software, Inc.
// Copyright (C) 1993-2008 Raven Software
// Copyright (C) 2016-2017 Alexey Khokholov (Nuke.YKT)
// Copyright (C) 2017 Alexandre-Xavier Labonté-Lamoureux
//
// 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.
//
// DESCRIPTION:
//  Internally used data structures for virtually everything,
//   key definitions, lots of other stuff.
//

#ifndef __DOOMDEF__
#define __DOOMDEF__

#include <stdio.h>
#include <string.h>

//
// Global parameters/defines.
//
// DOOM version
enum { VERSION =  109 };

// If rangecheck is undefined,
// most parameter validation debugging code will not be compiled
#define RANGECHECK


//
// For resize of screen, at start of game.
// It will not work dynamically, see visplanes.
//
#define	BASE_WIDTH		320

// It is educational but futile to change this
//  scaling e.g. to 2. Drawing of status bar,
//  menues etc. is tied to the scale implied
//  by the graphics.
#define	SCREEN_MUL		1
#define	INV_ASPECT_RATIO	0.625 // 0.75, ideally

// Defines suck. C sucks.
// C++ might sucks for OOP, but it sure is a better C.
// So there.
#define SCREENWIDTH  320
//SCREEN_MUL*BASE_WIDTH //320
#define SCREENHEIGHT 200
//(int)(SCREEN_MUL*BASE_WIDTH*INV_ASPECT_RATIO) //200

#define	FRACBITS		16
#define	FRACUNIT		(1<<FRACBITS)
typedef int fixed_t;


// The maximum number of players, multiplayer/networking.
#define MAXPLAYERS		4

// State updates, number of tics / second.
#define TICRATE		35

// The current state of the game: whether we are
// playing, gazing at the intermission screen,
// the game final animation, or a demo. 
typedef enum
{
    GS_LEVEL,
    GS_INTERMISSION,
    GS_FINALE,
    GS_DEMOSCREEN
} gamestate_t;

//
// Difficulty/skill settings/filters.
//

// Skill flags.
#define	MTF_EASY		1
#define	MTF_NORMAL		2
#define	MTF_HARD		4

// Deaf monsters/do not react to sound.
#define	MTF_AMBUSH		8

typedef enum
{
    sk_baby,
    sk_easy,
    sk_medium,
    sk_hard,
    sk_nightmare
} skill_t;




//
// Key cards.
//
typedef enum
{
    it_bluecard,
    it_yellowcard,
    it_redcard,
    it_blueskull,
    it_yellowskull,
    it_redskull,
    
    NUMCARDS
    
} card_t;



// The defined weapons,
//  including a marker indicating
//  user has not changed weapon.
typedef enum
{
    wp_fist,
    wp_pistol,
    wp_shotgun,
    wp_chaingun,
    wp_missile,
    wp_plasma,
    wp_bfg,
    wp_chainsaw,
    wp_supershotgun,

    NUMWEAPONS,
    
    // No pending weapon change.
    wp_nochange

} weapontype_t;


// Ammunition types defined.
typedef enum
{
    am_clip,	// Pistol / chaingun ammo.
    am_shell,	// Shotgun / double barreled shotgun.
    am_cell,	// Plasma rifle, BFG.
    am_misl,	// Missile launcher.
    NUMAMMO,
    am_noammo	// Unlimited for chainsaw / fist.	

} ammotype_t;


// Power up artifacts.
typedef enum
{
    pw_invulnerability,
    pw_strength,
    pw_invisibility,
    pw_ironfeet,
    pw_allmap,
    pw_infrared,
    NUMPOWERS
    
} powertype_t;



//
// Power up durations,
//  how many seconds till expiration,
//  assuming TICRATE is 35 ticks/second.
//
typedef enum
{
    INVULNTICS	= (30*TICRATE),
    INVISTICS	= (60*TICRATE),
    INFRATICS	= (120*TICRATE),
    IRONTICS	= (60*TICRATE)
    
} powerduration_t;




//
// DOOM keyboard definition.
// This is the stuff configured by Setup.Exe.
// Most key data are simple ascii (uppercased).
//
#define KEY_RIGHTARROW	0xae
#define KEY_LEFTARROW	0xac
#define KEY_UPARROW	0xad
#define KEY_DOWNARROW	0xaf
#define KEY_ESCAPE	27
#define KEY_ENTER	13
#define KEY_TAB		9
#define KEY_F1		(0x80+0x3b)
#define KEY_F2		(0x80+0x3c)
#define KEY_F3		(0x80+0x3d)
#define KEY_F4		(0x80+0x3e)
#define KEY_F5		(0x80+0x3f)
#define KEY_F6		(0x80+0x40)
#define KEY_F7		(0x80+0x41)
#define KEY_F8		(0x80+0x42)
#define KEY_F9		(0x80+0x43)
#define KEY_F10		(0x80+0x44)
#define KEY_F11		(0x80+0x57)
#define KEY_F12		(0x80+0x58)

#define KEY_BACKSPACE	127
#define KEY_PAUSE	0xff

#define KEY_EQUALS	0x3d
#define KEY_MINUS	0x2d

#define KEY_RSHIFT	(0x80+0x36)
#define KEY_RCTRL	(0x80+0x1d)
#define KEY_RALT	(0x80+0x38)

#define KEY_LALT	KEY_RALT

fixed_t	FixedMul (fixed_t a, fixed_t b);
fixed_t	FixedDiv (fixed_t a, fixed_t b);
fixed_t	FixedDiv2 (fixed_t a, fixed_t b);

#pragma aux FixedMul =	\
	"imul ebx",			\
	"shrd eax,edx,16"	\
	parm	[eax] [ebx] \
	value	[eax]		\
	modify exact [eax edx]

#pragma aux FixedDiv2 =	\
	"cdq",				\
	"shld edx,eax,16",	\
	"sal eax,16",		\
	"idiv ebx"			\
	parm	[eax] [ebx] \
	value	[eax]		\
	modify exact [eax edx]

#define SHORT(x)	(x)
#define LONG(x)		(x)

// DOOM basic types (boolean),
//  and max/min values.
//#include "doomtype.h"

// Fixed point.
//#include "m_fixed.h"

// Endianess handling.
//#include "m_swap.h"


// Binary Angles, sine/cosine/atan lookups.
//#include "tables.h"

// Event type.
//#include "d_event.h"

// Game function, skills.
//#include "g_game.h"

// All external data is defined here.
//#include "doomdata.h"

// All important printed strings.
// Language selection (message strings).
//#include "dstrings.h"

// Player is a special actor.
//struct player_s;


//#include "d_items.h"
//#include "d_player.h"
//#include "p_mobj.h"
//#include "d_net.h"

// PLAY
//#include "p_tick.h"




// Header, generated by sound utility.
// The utility was written by Dave Taylor.
//#include "sounds.h"




#endif          // __DOOMDEF__