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c2e0674d50
Like R_AliasGetLerpedFrames, but for IQM. It calcualtes the current frame number and blend between the previous and current frames.
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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r_iqm.c
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Shared IQM rendering support
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Copyright (C) 2012 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2012/5/11
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdlib.h>
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#include "QF/cvar.h"
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#include "QF/render.h"
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#include "QF/skin.h"
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#include "QF/sys.h"
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#include "r_internal.h"
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float
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R_IQMGetLerpedFrames (entity_t *ent, iqm_t *iqm)
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{
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int frame = ent->frame;
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float time, fullinterval;
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iqmanim *anim;
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if (frame >= iqm->num_anims || frame < 0) {
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Sys_MaskPrintf (SYS_DEV, "R_IQMGetLerpedFrames: no such frame %d\n",
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frame);
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frame = 0;
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}
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anim = &iqm->anims[frame];
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fullinterval = anim->num_frames / anim->framerate;
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time = vr_data.realtime + currententity->syncbase;
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time -= ((int) (time / fullinterval)) * fullinterval;
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frame = (int) (time * anim->framerate) + anim->first_frame;
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return R_EntityBlend (ent, frame, anim->framerate);
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}
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