/* Emacs style mode select   -*- C++ -*-
 *-----------------------------------------------------------------------------
 *
 *
 *  PrBoom a Doom port merged with LxDoom and LSDLDoom
 *  based on BOOM, a modified and improved DOOM engine
 *  Copyright (C) 1999 by
 *  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
 *  Copyright (C) 1999-2000 by
 *  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
 *
 *  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:
 *  External non-system-specific stuff, like storing config settings,
 *  simple file handling, and saving screnshots.
 *
 *-----------------------------------------------------------------------------*/


#ifndef __M_MISC__
#define __M_MISC__


#include "doomtype.h"
//
// MISC
//

boolean M_WriteFile (char const* name,void* source,int length);

int M_ReadFile (char const* name,byte** buffer);

void M_ScreenShot (void);
void M_DoScreenShot (const char*); // cph

void M_LoadDefaults (void);

void M_SaveDefaults (void);


int M_DrawText (int x,int y,boolean direct,char* string);

struct default_s *M_LookupDefault(const char *name);     /* killough 11/98 */

// phares 4/21/98:
// Moved from m_misc.c so m_menu.c could see it.

// CPhipps - struct to hold a value in a config file
// Cannot be a union, as it must be initialised
enum {
  def_none, // Dummy entry
  def_str,  // A string
  def_int,  // Integer
  def_hex,  // Integer (write in hex)
  def_bool = def_int,  // Boolean
  def_key = def_hex,   // Key code (byte)
  def_mouseb = def_int,// Mouse button
  def_colour = def_hex // Colour (256 colour palette entry)
}; /* type */

typedef struct default_s
{
   const char* name;
   /* cph -
    * The location struct holds the pointer to the variable holding the
    *  setting. For int's we do nothing special.
    * For strings, the string is actually stored on our heap with Z_Strdup()
    *  BUT we don't want the rest of the program to be able to modify them,
    *  so we declare it const. It's not really const though, and m_misc.c and
    *  m_menu.c cast it back when they need to change it. Possibly this is
    *  more trouble than it's worth.
    */
   struct {
      int* pi;
      const char** ppsz;
   } location;
   struct {
      int i;
      const char* psz;
   } defaultvalue; // CPhipps - default value
   // Limits (for an int)
   int   minvalue;         // jff 3/3/98 minimum allowed value
   int   maxvalue;         // jff 3/3/98 maximum allowed value
   unsigned type; // CPhipps - type of entry
   int   setupscreen;      // phares 4/19/98: setup screen where this appears
   int  *current;          /* cph - MBF-like pointer to current value */
   // cph - removed the help strings from the config file
   // const char* help;       // jff 3/3/98 description of parameter
   // CPhipps - remove unused "lousy hack" code
   struct setup_menu_s *setup_menu;   /* Xref to setup menu item, if any */
} default_t;

#define IS_STRING(dv) ((dv).type == def_str)
// CPhipps - What is the max. key code that X will send us?
#define MAX_KEY 65536
#define MAX_MOUSEB 2

#define UL (-123456789) /* magic number for no min or max for parameter */

#endif