ref: 6f116526d85e09a762ed1a7b295f684926c862ba
dir: /src/hexen/m_misc.c/
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 1993-2008 Raven Software
//
// 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.
//
//-----------------------------------------------------------------------------
// HEADER FILES ------------------------------------------------------------
#ifdef __NeXT__
#include <libc.h>
#else
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdlib.h>
#endif
#include <ctype.h>
#include "h2def.h"
#include "doomkeys.h"
#include "i_system.h"
#include "m_argv.h"
#include "p_local.h"
#include "s_sound.h"
// MACROS ------------------------------------------------------------------
#define MALLOC_CLIB 1
#define MALLOC_ZONE 2
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
extern char *SavePath;
// PUBLIC DATA DEFINITIONS -------------------------------------------------
// PRIVATE DATA DEFINITIONS ------------------------------------------------
// CODE --------------------------------------------------------------------
//==========================================================================
//
// M_ExtractFileBase
//
//==========================================================================
void M_ExtractFileBase(char *path, char *dest)
{
char *src;
int length;
src = path + strlen(path) - 1;
// Back up until a \ or the start
while (src != path && *(src - 1) != '\\' && *(src - 1) != '/')
{
src--;
}
// Copy up to eight characters
memset(dest, 0, 8);
length = 0;
while (*src && *src != '.')
{
if (++length == 9)
{
I_Error("Filename base of %s > 8 chars", path);
}
*dest++ = toupper((int) *src++);
}
}
/*
===============
=
= M_Random
=
= Returns a 0-255 number
=
===============
*/
// This is the new flat distribution table
unsigned char rndtable[256] = {
201, 1, 243, 19, 18, 42, 183, 203, 101, 123, 154, 137, 34, 118, 10, 216,
135, 246, 0, 107, 133, 229, 35, 113, 177, 211, 110, 17, 139, 84, 251, 235,
182, 166, 161, 230, 143, 91, 24, 81, 22, 94, 7, 51, 232, 104, 122, 248,
175, 138, 127, 171, 222, 213, 44, 16, 9, 33, 88, 102, 170, 150, 136, 114,
62, 3, 142, 237, 6, 252, 249, 56, 74, 30, 13, 21, 180, 199, 32, 132,
187, 234, 78, 210, 46, 131, 197, 8, 206, 244, 73, 4, 236, 178, 195, 70,
121, 97, 167, 217, 103, 40, 247, 186, 105, 39, 95, 163, 99, 149, 253, 29,
119, 83, 254, 26, 202, 65, 130, 155, 60, 64, 184, 106, 221, 93, 164, 196,
112, 108, 179, 141, 54, 109, 11, 126, 75, 165, 191, 227, 87, 225, 156, 15,
98, 162, 116, 79, 169, 140, 190, 205, 168, 194, 41, 250, 27, 20, 14, 241,
50, 214, 72, 192, 220, 233, 67, 148, 96, 185, 176, 181, 215, 207, 172, 85,
89, 90, 209, 128, 124, 2, 55, 173, 66, 152, 47, 129, 59, 43, 159, 240,
239, 12, 189, 212, 144, 28, 200, 77, 219, 198, 134, 228, 45, 92, 125, 151,
5, 53, 255, 52, 68, 245, 160, 158, 61, 86, 58, 82, 117, 37, 242, 145,
69, 188, 115, 76, 63, 100, 49, 111, 153, 80, 38, 57, 174, 224, 71, 231,
23, 25, 48, 218, 120, 147, 208, 36, 226, 223, 193, 238, 157, 204, 146, 31
};
int rndindex = 0;
int prndindex = 0;
int P_Random(void)
{
prndindex = (prndindex + 1) & 0xff;
return rndtable[prndindex];
}
int M_Random(void)
{
rndindex = (rndindex + 1) & 0xff;
return rndtable[rndindex];
}
void M_ClearRandom(void)
{
rndindex = prndindex = 0;
}
//---------------------------------------------------------------------------
//
// PROC M_ForceUppercase
//
// Change string to uppercase.
//
//---------------------------------------------------------------------------
void M_ForceUppercase(char *text)
{
char c;
while ((c = *text) != 0)
{
if (c >= 'a' && c <= 'z')
{
*text++ = c - ('a' - 'A');
}
else
{
text++;
}
}
}