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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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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 2
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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.
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See the 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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// Shared model functions for renderers
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/*
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* Find the correct interval based on time
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* Used for Alias model frame/sprite/skin group animations
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*/
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int
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Mod_FindInterval(const float *intervals, int numintervals, float time)
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{
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int i;
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float fullinterval, targettime;
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/*
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* when loading models/skins/sprites, we guaranteed all interval values
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* are positive, so we don't have to worry about division by 0
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*/
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fullinterval = intervals[numintervals - 1];
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targettime = time - (int)(time / fullinterval) * fullinterval;
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for (i = 0; i < numintervals - 1; i++)
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if (intervals[i] > targettime)
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break;
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return i;
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}
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