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77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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// $Log:$
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//
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// DESCRIPTION:
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// Random number LUT.
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//
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//-----------------------------------------------------------------------------
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static const char rcsid[] = "$Id: m_random.c,v 1.1 1997/02/03 22:45:11 b1 Exp $";
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//
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// M_Random
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// Returns a 0-255 number
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//
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unsigned char rndtable[256] = {
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0, 8, 109, 220, 222, 241, 149, 107, 75, 248, 254, 140, 16, 66 ,
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74, 21, 211, 47, 80, 242, 154, 27, 205, 128, 161, 89, 77, 36 ,
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95, 110, 85, 48, 212, 140, 211, 249, 22, 79, 200, 50, 28, 188 ,
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52, 140, 202, 120, 68, 145, 62, 70, 184, 190, 91, 197, 152, 224 ,
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149, 104, 25, 178, 252, 182, 202, 182, 141, 197, 4, 81, 181, 242 ,
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145, 42, 39, 227, 156, 198, 225, 193, 219, 93, 122, 175, 249, 0 ,
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175, 143, 70, 239, 46, 246, 163, 53, 163, 109, 168, 135, 2, 235 ,
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25, 92, 20, 145, 138, 77, 69, 166, 78, 176, 173, 212, 166, 113 ,
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94, 161, 41, 50, 239, 49, 111, 164, 70, 60, 2, 37, 171, 75 ,
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136, 156, 11, 56, 42, 146, 138, 229, 73, 146, 77, 61, 98, 196 ,
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135, 106, 63, 197, 195, 86, 96, 203, 113, 101, 170, 247, 181, 113 ,
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80, 250, 108, 7, 255, 237, 129, 226, 79, 107, 112, 166, 103, 241 ,
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24, 223, 239, 120, 198, 58, 60, 82, 128, 3, 184, 66, 143, 224 ,
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145, 224, 81, 206, 163, 45, 63, 90, 168, 114, 59, 33, 159, 95 ,
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28, 139, 123, 98, 125, 196, 15, 70, 194, 253, 54, 14, 109, 226 ,
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71, 17, 161, 93, 186, 87, 244, 138, 20, 52, 123, 251, 26, 36 ,
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17, 46, 52, 231, 232, 76, 31, 221, 84, 37, 216, 165, 212, 106 ,
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197, 242, 98, 43, 39, 175, 254, 145, 190, 84, 118, 222, 187, 136 ,
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120, 163, 236, 249
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};
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int rndindex = 0;
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int prndindex = 0;
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// Which one is deterministic?
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int P_Random (void)
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{
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prndindex = (prndindex+1)&0xff;
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return rndtable[prndindex];
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}
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int M_Random (void)
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{
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rndindex = (rndindex+1)&0xff;
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return rndtable[rndindex];
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}
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void M_ClearRandom (void)
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{
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rndindex = prndindex = 0;
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}
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