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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id: m_random.c,v 1.5 2001/06/10 21:16:01 bpereira Exp $
//
// Copyright (C) 1993-1996 by id Software, Inc.
// Portions Copyright (C) 1998-2000 by DooM Legacy Team.
//
// 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.
//
//
// $Log: m_random.c,v $
// Revision 1.5 2001/06/10 21:16:01 bpereira
// no message
//
// Revision 1.4 2001/03/30 17:12:50 bpereira
// no message
//
// Revision 1.3 2001/01/25 22:15:42 bpereira
// added heretic support
//
// Revision 1.2 2000/02/27 00:42:10 hurdler
// fix CR+LF problem
//
// Revision 1.1.1.1 2000/02/22 20:32:32 hurdler
// Initial import into CVS (v1.29 pr3)
//
//
// DESCRIPTION:
// Random number LUT.
//
//-----------------------------------------------------------------------------
#include "doomdef.h"
#include "doomtype.h"
#include "m_random.h"
//
// M_Random
// Returns a 0-255 number
//
byte rndtable[256] = {
0, 8, 109, 220, 222, 241, 149, 107, 75, 248, 254, 140, 16, 66 ,
74, 21, 211, 47, 80, 242, 154, 27, 205, 128, 161, 89, 77, 36 ,
95, 110, 85, 48, 212, 140, 211, 249, 22, 79, 200, 50, 28, 188 ,
52, 140, 202, 120, 68, 145, 62, 70, 184, 190, 91, 197, 152, 224 ,
149, 104, 25, 178, 252, 182, 202, 182, 141, 197, 4, 81, 181, 242 ,
145, 42, 39, 227, 156, 198, 225, 193, 219, 93, 122, 175, 249, 0 ,
175, 143, 70, 239, 46, 246, 163, 53, 163, 109, 168, 135, 2, 235 ,
25, 92, 20, 145, 138, 77, 69, 166, 78, 176, 173, 212, 166, 113 ,
94, 161, 41, 50, 239, 49, 111, 164, 70, 60, 2, 37, 171, 75 ,
136, 156, 11, 56, 42, 146, 138, 229, 73, 146, 77, 61, 98, 196 ,
135, 106, 63, 197, 195, 86, 96, 203, 113, 101, 170, 247, 181, 113 ,
80, 250, 108, 7, 255, 237, 129, 226, 79, 107, 112, 166, 103, 241 ,
24, 223, 239, 120, 198, 58, 60, 82, 128, 3, 184, 66, 143, 224 ,
145, 224, 81, 206, 163, 45, 63, 90, 168, 114, 59, 33, 159, 95 ,
28, 139, 123, 98, 125, 196, 15, 70, 194, 253, 54, 14, 109, 226 ,
71, 17, 161, 93, 186, 87, 244, 138, 20, 52, 123, 251, 26, 36 ,
17, 46, 52, 231, 232, 76, 31, 221, 84, 37, 216, 165, 212, 106 ,
197, 242, 98, 43, 39, 175, 254, 145, 190, 84, 118, 222, 187, 136 ,
120, 163, 236, 249
};
static byte rndindex = 0;
static byte prndindex = 0;
#ifndef DEBUGRANDOM
// P_Random is used throughout all the p_xxx game code.
byte P_Random ()
{
return rndtable[++prndindex];
}
// lot of code used P_Random()-P_Random() since C don't define
// evaluation order it is compiler depenent so this allow network play
// between different compilers
int P_SignedRandom ()
{
int r = P_Random();
return r-P_Random();
}
#else
byte P_Random2 (char *a,int b)
{
CONS_Printf("P_Random at : %sp %d\n",a,b);
return rndtable[++prndindex];
}
int P_SignedRandom2 (char *a,int b)
{
int r;
CONS_Printf("P_SignedRandom at : %sp %d\n",a,b);
r = rndtable[++prndindex];
return r-rndtable[++prndindex];
}
#endif
byte M_Random (void)
{
return rndtable[++rndindex];
}
void M_ClearRandom (void)
{
rndindex = prndindex = 0;
}
// for savegame and join in game
byte P_GetRandIndex(void)
{
return prndindex;
}
// load game
void P_SetRandIndex(byte rindex)
{
prndindex = rindex;
}
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