//
// Copyright (c) 2009, Wei Mingzhi <whistler_wmz@users.sf.net>.
// All rights reserved.
// Modified by Lou Yihua <louyihua@21cn.com> with unicode support, 2015.
//
// This file is part of SDLPAL.
//
// SDLPAL 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 3 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, see <http://www.gnu.org/licenses/>.
//

#ifndef _COMMON_H
#define _COMMON_H

#ifndef ENABLE_REVISIED_BATTLE
# define PAL_CLASSIC        1
#endif

#ifdef __cplusplus
extern "C"
{
#endif

#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#define _CRT_SECURE_NO_WARNINGS
#endif

#include <wchar.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <limits.h>
#include <stdarg.h>
#include <assert.h>

#include "SDL.h"
#include "SDL_endian.h"

#if SDL_VERSION_ATLEAST(2,0,0)

# define SDLK_KP1     SDLK_KP_1
# define SDLK_KP2     SDLK_KP_2
# define SDLK_KP3     SDLK_KP_3
# define SDLK_KP4     SDLK_KP_4
# define SDLK_KP5     SDLK_KP_5
# define SDLK_KP6     SDLK_KP_6
# define SDLK_KP7     SDLK_KP_7
# define SDLK_KP8     SDLK_KP_8
# define SDLK_KP9     SDLK_KP_9
# define SDLK_KP0     SDLK_KP_0

# define SDL_HWSURFACE     0

#else

# ifndef PAL_FATAL_OUTPUT
#  define PAL_FATAL_OUTPUT(s)
# endif

#endif

#ifndef max
# define max fmax
#endif

#ifndef min
# define min fmin
#endif

/* This is need when compiled with SDL 1.2 */
#ifndef SDL_FORCE_INLINE
#if defined(_MSC_VER)
#define SDL_FORCE_INLINE __forceinline
#elif ( (defined(__GNUC__) && (__GNUC__ >= 4)) || defined(__clang__) )
#define SDL_FORCE_INLINE __attribute__((always_inline)) static __inline__
#else
#define SDL_FORCE_INLINE static SDL_INLINE
#endif
#endif /* SDL_FORCE_INLINE not defined */

#if defined(_MSC_VER)
# define PAL_FORCE_INLINE static SDL_FORCE_INLINE
#else
# define PAL_FORCE_INLINE SDL_FORCE_INLINE
#endif

#ifdef _WIN32

# include <windows.h>
# include <io.h>

# if defined(_MSC_VER)
#  if _MSC_VER < 1900
#   define vsnprintf _vsnprintf
#   define snprintf _snprintf
#  endif
#  define strdup _strdup
#  pragma warning (disable:4244)
# endif

# ifndef _LPCBYTE_DEFINED
#  define _LPCBYTE_DEFINED
typedef const BYTE *LPCBYTE;
# endif

#else

# include <unistd.h>
# include <dirent.h>

# ifndef FALSE
#  define FALSE               0
# endif
# ifndef TRUE
#  define TRUE                1
# endif
# define VOID                void
typedef char                CHAR;
typedef wchar_t             WCHAR;
typedef short               SHORT;
typedef long                LONG;

typedef unsigned long       ULONG, *PULONG;
typedef unsigned short      USHORT, *PUSHORT;
typedef unsigned char       UCHAR, *PUCHAR;

typedef unsigned short      WORD, *LPWORD;
typedef unsigned int        DWORD, *LPDWORD;
typedef int                 INT, *LPINT;
# ifndef __OBJC__
typedef int                 BOOL, *LPBOOL;
# endif
typedef unsigned int        UINT, *PUINT, UINT32, *PUINT32;
typedef unsigned char       BYTE, *LPBYTE;
typedef const BYTE         *LPCBYTE;
typedef float               FLOAT, *LPFLOAT;
typedef void               *LPVOID;
typedef const void         *LPCVOID;
typedef CHAR               *LPSTR;
typedef const CHAR         *LPCSTR;
typedef WCHAR              *LPWSTR;
typedef const WCHAR        *LPCWSTR;

#endif

/* When porting SDLPAL to a new platform, please make a separate directory and put a file 
   named 'pal_config.h' that contains marco definitions & header includes into the directory.
   The example of this file can be found in directories of existing portings.
 */
#include "pal_config.h"

#ifndef PAL_DEFAULT_FULLSCREEN_HEIGHT
# define PAL_DEFAULT_FULLSCREEN_HEIGHT PAL_DEFAULT_WINDOW_HEIGHT
#endif

/* Default for 1024 samples */
#ifndef PAL_AUDIO_DEFAULT_BUFFER_SIZE
# define PAL_AUDIO_DEFAULT_BUFFER_SIZE   1024
#endif

#ifndef PAL_HAS_SDLCD
# define PAL_HAS_SDLCD        0
#endif

#ifndef PAL_HAS_MP3
# define PAL_HAS_MP3          1   /* Try always enable MP3. If compilation/run failed, please change this value to 0. */
#endif
#ifndef PAL_HAS_OGG
# define PAL_HAS_OGG          1   /* Try always enable OGG. If compilation/run failed, please change this value to 0. */
#endif

#ifndef SDL_INIT_CDROM
# define SDL_INIT_CDROM       0	  /* Compatibility with SDL 1.2 */
#endif

#ifndef SDL_AUDIO_BITSIZE
# define SDL_AUDIO_BITSIZE(x)         (x & 0xFF)
#endif

#ifndef PAL_CONFIG_PREFIX
# define PAL_CONFIG_PREFIX PAL_PREFIX
#endif

#ifndef PAL_SCREENSHOT_PREFIX
# define PAL_SCREENSHOT_PREFIX PAL_SAVE_PREFIX
#endif

#ifndef PAL_HAS_NATIVEMIDI
# define PAL_HAS_NATIVEMIDI  0
#endif

#ifndef PAL_LARGE
# define PAL_LARGE
#endif

#ifndef PAL_SCALE_SCREEN
# define PAL_SCALE_SCREEN   TRUE
#endif

#define __WIDETEXT(quote) L##quote
#define WIDETEXT(quote) __WIDETEXT(quote)

// For SDL 1.2 compatibility
#ifndef SDL_TICKS_PASSED
#define SDL_TICKS_PASSED(A, B)  ((Sint32)((B) - (A)) <= 0)
#endif

typedef enum tagCODEPAGE {
	CP_MIN = 0,
	CP_BIG5 = 0,
	CP_GBK = 1,
	CP_SHIFTJIS = 2,
	CP_JISX0208 = 3,
	CP_MAX = CP_GBK + 1,
	CP_UTF_8 = CP_MAX + 1
} CODEPAGE;

#ifdef __cplusplus
}
#endif

#endif