d_event.h

//
// Copyright (C) 1993-1996 Id Software, Inc.
// 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:
//

#ifndef __D_EVENT__
#define __D_EVENT__


#include "doomtype.h"


//
// Event handling.
//

// Input event types.
typedef enum
{
    ev_keydown,
    ev_keyup,
    ev_mouse,
    ev_joystick
} evtype_t;

// Event structure.
typedef struct
{
    evtype_t	type;
    int		data1;		// keys / mouse/joystick buttons
    int		data2;		// mouse/joystick x move
    int		data3;		// mouse/joystick y move
} event_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;



//
// Button/action code definitions.
//
typedef enum
{
    // Press "Fire".
    BT_ATTACK		= 1,
    // Use button, to open doors, activate switches.
    BT_USE		= 2,

    // Flag: game events, not really buttons.
    BT_SPECIAL		= 128,
    BT_SPECIALMASK	= 3,
    
    // Flag, weapon change pending.
    // If true, the next 3 bits hold weapon num.
    BT_CHANGE		= 4,
    // The 3bit weapon mask and shift, convenience.
    BT_WEAPONMASK	= (8+16+32),
    BT_WEAPONSHIFT	= 3,

    // Pause the game.
    BTS_PAUSE		= 1,
    // Save the game at each console.
    BTS_SAVEGAME	= 2,

    // Savegame slot numbers
    //  occupy the second byte of buttons.    
    BTS_SAVEMASK	= (4+8+16),
    BTS_SAVESHIFT 	= 2,
  
} buttoncode_t;




//
// GLOBAL VARIABLES
//
#define MAXEVENTS		64

extern  event_t		events[MAXEVENTS];
extern  int             eventhead;
extern	int		eventtail;

extern  gameaction_t    gameaction;


#endif