/* 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
 *  Copyright 2005, 2006 by
 *  Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
 *
 *  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
//

dboolean M_WriteFile (char const* name, const void* source, size_t 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);

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
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.
   */
  // Note: casts are now made via unions to avoid discarding qualifier warnings
  struct {
    int* pi;
    const char** ppsz;
    //e6y: arrays
    int* array_size;
    char*** array_data;
    int array_index;
  } location;
  struct {
    int i;
    const char* psz;
    //e6y: arrays
    int array_size;
    const char** array_data;
  } 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
  enum {
    def_none, // Dummy entry
    def_str,  // A string
    def_int,  // Integer
    def_hex,  // Integer (write in hex)
    def_arr,  // e6y: arrays
    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; // 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 4

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

int M_StrToInt(const char *s, int *l);
int M_StrToFloat(const char *s, float *f);

int M_DoubleToInt(double x);

char* M_Strlwr(char* str);
char* M_Strupr(char* str);
char* M_StrRTrim(char* str);

extern const char *screenshot_dir;

typedef struct array_s
{
  void *data;
  int capacity;
  int count;
} array_t;
void M_ArrayClear(array_t *data);
void M_ArrayFree(array_t *data);
void M_ArrayAddItem(array_t *data, void *item, int itemsize);
void* M_ArrayGetNewItem(array_t *data, int itemsize);

#endif
