dquakeplus/source/common.h
2023-02-13 14:02:32 -05:00

204 lines
6 KiB
C

/*
Copyright (C) 1996-1997 Id Software, Inc.
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.
*/
// comndef.h -- general definitions
#if !defined BYTE_DEFINED
typedef unsigned char byte;
#define BYTE_DEFINED 1
#endif
#undef true
#undef false
#ifdef __cplusplus
typedef enum {qfalse, qtrue} qboolean;
#else
typedef enum {false, true} qboolean;
#endif
#ifndef fmin
#define fmin(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef fmax
#define fmax(a, b) ((a) > (b) ? (a) : (b))
#endif
#define bound(a, b, c) ((a) >= (c) ? (a) : (b) < (a) ? (a) : (b) > (c) ? (c) : (b))
//============================================================================
typedef struct sizebuf_s
{
qboolean allowoverflow; // if false, do a Sys_Error
qboolean overflowed; // set to true if the buffer size failed
byte *data;
int maxsize;
int cursize;
} sizebuf_t;
void SZ_Alloc (sizebuf_t *buf, int startsize);
void SZ_Free (sizebuf_t *buf);
void SZ_Clear (sizebuf_t *buf);
void *SZ_GetSpace (sizebuf_t *buf, int length);
void SZ_Write (sizebuf_t *buf, void *data, int length);
void SZ_Print (sizebuf_t *buf, char *data); // strcats onto the sizebuf
//============================================================================
typedef struct link_s
{
struct link_s *prev, *next;
} link_t;
void ClearLink (link_t *l);
void RemoveLink (link_t *l);
void InsertLinkBefore (link_t *l, link_t *before);
void InsertLinkAfter (link_t *l, link_t *after);
// (type *)STRUCT_FROM_LINK(link_t *link, type, member)
// ent = STRUCT_FROM_LINK(link,entity_t,order)
// FIXME: remove this mess!
#define STRUCT_FROM_LINK(l,t,m) ((t *)((byte *)l - (int)&(((t *)0)->m)))
//============================================================================
#ifndef NULL
#define NULL ((void *)0)
#endif
#define Q_MAXCHAR ((char)0x7f)
#define Q_MAXSHORT ((short)0x7fff)
#define Q_MAXINT ((int)0x7fffffff)
#define Q_MAXLONG ((int)0x7fffffff)
#define Q_MAXFLOAT ((int)0x7fffffff)
#define Q_MINCHAR ((char)0x80)
#define Q_MINSHORT ((short)0x8000)
#define Q_MININT ((int)0x80000000)
#define Q_MINLONG ((int)0x80000000)
#define Q_MINFLOAT ((int)0x7fffffff)
#define MAX_TOKEN_CHARS 128 // max length of an individual token
//============================================================================
extern qboolean bigendien;
extern short (*BigShort) (short l);
extern short (*LittleShort) (short l);
extern int (*BigLong) (int l);
#define LittleLong(l) l
#define LittleShort(l) l
#define LittleFloat(l) l
//============================================================================
void MSG_WriteChar (sizebuf_t *sb, int c);
void MSG_WriteByte (sizebuf_t *sb, int c);
void MSG_WriteShort (sizebuf_t *sb, int c);
void MSG_WriteLong (sizebuf_t *sb, int c);
void MSG_WriteFloat (sizebuf_t *sb, float f);
void MSG_WriteString (sizebuf_t *sb, char *s);
void MSG_WriteCoord (sizebuf_t *sb, float f);
void MSG_WriteAngle (sizebuf_t *sb, float f);
extern int msg_readcount;
extern qboolean msg_badread; // set if a read goes beyond end of message
void MSG_BeginReading (void);
int MSG_ReadChar (void);
int MSG_ReadByte (void);
int MSG_ReadShort (void);
int MSG_ReadLong (void);
float MSG_ReadFloat (void);
char *MSG_ReadString (void);
float MSG_ReadCoord (void);
float MSG_ReadAngle (void);
//============================================================================
void Q_strncpyz (char *dest, char *src, size_t size);
void Q_snprintfz (char *dest, size_t size, char *fmt, ...);
void Q_memset (void *dest, int fill, int count);
void Q_memcpy (void *dest, void *src, int count);
int Q_memcmp (void *m1, void *m2, int count);
void Q_strcpy (char *dest, char *src);
void Q_strncpy (char *dest, char *src, int count);
int Q_strlen (char *str);
char *Q_strrchr (char *s, char c);
void Q_strcat (char *dest, char *src);
int Q_strcmp (char *s1, char *s2);
int Q_strncmp (char *s1, char *s2, int count);
int Q_strcasecmp (char *s1, char *s2);
int Q_strncasecmp (char *s1, char *s2, int n);
int Q_atoi (char *str);
float Q_atof (char *str);
extern char com_token[1024];
extern qboolean com_eof;
char *COM_Parse (char *data);
char *COM_ParseQ2 (char **data_p);
extern int com_argc;
extern char **com_argv;
int COM_CheckParm (char *parm);
void COM_Init (char *path);
void COM_InitArgv (int argc, char **argv);
char *COM_SkipPath (char *pathname);
char *COM_SkipPathWritable (char *pathname);
void COM_StripExtension (char *in, char *out);
void COM_FileBase (char *in, char *out);
void COM_DefaultExtension (char *path, char *extension);
char *va(char *format, ...);
char *CopyString (char *in);
// does a varargs printf into a temp buffer
extern int com_filesize;
struct cache_user_s;
extern char com_gamedir[MAX_OSPATH];
void COM_WriteFile (char *filename, void *data, int len);
int COM_OpenFile (char *filename, int *hndl);
int COM_FOpenFile (char *filename, int *file);
void COM_CloseFile (int h);
void COM_CreatePath (char *path);
char *COM_FileExtension (char *in);
byte *COM_LoadStackFile (char *path, void *buffer, int bufsize);
byte *COM_LoadTempFile (char *path);
byte *COM_LoadHunkFile (char *path);
byte *COM_LoadFile (char *path, int usehunk);
void COM_LoadCacheFile (char *path, struct cache_user_s *cu);
//============================================================================
qboolean FS_FindFile (char *filename);
int FS_FOpenFile (char *filename, FILE **file);
extern char com_netpath[MAX_OSPATH];
//============================================================================
extern qboolean user_maps;