diff options
Diffstat (limited to 'src/hexen/m_random.c')
-rw-r--r-- | src/hexen/m_random.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/hexen/m_random.c b/src/hexen/m_random.c new file mode 100644 index 00000000..1496490f --- /dev/null +++ b/src/hexen/m_random.c @@ -0,0 +1,82 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// Copyright(C) 1993-1996 Id Software, Inc. +// Copyright(C) 1993-2008 Raven Software +// Copyright(C) 2008 Simon Howard +// +// 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 ------------------------------------------------------------ + +#include "m_random.h" + +// This is the new flat distribution table + +static const 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; + +/* +=============== += += M_Random += += Returns a 0-255 number += +=============== +*/ + + +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; +} + |