108 lines
2.1 KiB
C
108 lines
2.1 KiB
C
/*
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Copyright (C) 2003 Parallel Realities
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Copyright (C) 2011 Guus Sliepen
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 3
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of the License, or (at your option) any later version.
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This program 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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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static inline void limitChar(signed char *in, int low, int high)
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{
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if (*in < low)
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*in = low;
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if (*in > high)
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*in = high;
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}
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static inline void limitChar(unsigned char *in, int low, int high)
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{
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if (*in < low)
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*in = low;
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if (*in > high)
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*in = high;
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}
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static inline void limitCharAdd(signed char *in, int add, int low, int high)
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{
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int tmp = (int)*in + add;
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if (tmp < low)
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tmp = low;
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if (tmp > high)
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tmp = high;
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*in = tmp;
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}
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static inline void limitCharAdd(unsigned char *in, int add, int low, int high)
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{
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int tmp = (int)*in + add;
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if (tmp < low)
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tmp = low;
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if (tmp > high)
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tmp = high;
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*in = tmp;
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}
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static inline void limitInt(int *in, int low, int high)
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{
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if (*in < low)
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*in = low;
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if (*in > high)
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*in = high;
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}
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static inline void limitFloat(float *in, float low, float high)
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{
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if (*in < low)
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*in = low;
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if (*in > high)
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*in = high;
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}
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static inline void wrapChar(signed char *in, signed char low, signed char high)
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{
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if (*in < low)
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*in += high - low;
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if (*in > high)
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*in -= high - low;
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}
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static inline void wrapInt(int *in, int low, int high)
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{
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if (*in < low)
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*in += high - low;
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if (*in > high)
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*in -= high - low;
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}
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static inline void wrapFloat(float *in, float low, float high)
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{
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if (*in < low)
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*in += high - low;
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if (*in > high)
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*in -= high - low;
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}
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static inline int rrand(int min, int max)
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{
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int r = min;
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max++;
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if ((max - min) == 0)
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return min;
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r += rand() % (max - min);
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return r;
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}
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