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Cleanup: Animation, split FCurve interpolation into separate function

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This commit is contained in:
Sybren A. Stüvel
2020-05-01 15:49:59 +02:00
parent 9c2c697011
commit 5b6ee80351
1 changed files with 285 additions and 283 deletions
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34
source/blender/blenkernel/intern/fcurve.c
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@@ -1462,11 +1462,10 @@ static float fcurve_eval_keyframes_extrapolate(
return endpoint_bezt->vec[1][1] - (fac * dx);
}
/* Calculate F-Curve value for 'evaltime' using BezTriple keyframes */
static float fcurve_eval_keyframes(FCurve *fcu, BezTriple *bezts, float evaltime)
static float fcurve_eval_keyframes_interpolate(FCurve *fcu, BezTriple *bezts, float evaltime)
{
const float eps = 1.e-8f;
BezTriple *bezt, *prevbezt, *lastbezt;
BezTriple *bezt, *prevbezt;
float v1[2], v2[2], v3[2], v4[2], opl[32];
unsigned int a;
int b;
@@ -1476,16 +1475,7 @@ static float fcurve_eval_keyframes(FCurve *fcu, BezTriple *bezts, float evaltime
a = fcu->totvert - 1;
prevbezt = bezts;
bezt = prevbezt + 1;
lastbezt = prevbezt + a;
/* evaluation time at or past endpoints? */
if (prevbezt->vec[1][0] >= evaltime) {
cvalue = fcurve_eval_keyframes_extrapolate(fcu, bezts, evaltime, 0, +1);
}
else if (lastbezt->vec[1][0] <= evaltime) {
cvalue = fcurve_eval_keyframes_extrapolate(fcu, bezts, evaltime, fcu->totvert - 1, -1);
}
else {
/* evaltime occurs somewhere in the middle of the curve */
bool exact = false;
@@ -1602,8 +1592,7 @@ static float fcurve_eval_keyframes(FCurve *fcu, BezTriple *bezts, float evaltime
cvalue = BLI_easing_back_ease_out(time, begin, change, duration, prevbezt->back);
break;
case BEZT_IPO_EASE_IN_OUT:
cvalue = BLI_easing_back_ease_in_out(
time, begin, change, duration, prevbezt->back);
cvalue = BLI_easing_back_ease_in_out(time, begin, change, duration, prevbezt->back);
break;
default: /* default/auto: same as ease out */
@@ -1793,10 +1782,23 @@ static float fcurve_eval_keyframes(FCurve *fcu, BezTriple *bezts, float evaltime
fabsf(bezt->vec[1][0] - evaltime));
}
}
return cvalue;
}
/* return value */
return cvalue;
/* Calculate F-Curve value for 'evaltime' using BezTriple keyframes */
static float fcurve_eval_keyframes(FCurve *fcu, BezTriple *bezts, float evaltime)
{
if (evaltime <= bezts->vec[1][0]) {
return fcurve_eval_keyframes_extrapolate(fcu, bezts, evaltime, 0, +1);
}
BezTriple *lastbezt = bezts + fcu->totvert - 1;
if (lastbezt->vec[1][0] <= evaltime) {
return fcurve_eval_keyframes_extrapolate(fcu, bezts, evaltime, fcu->totvert - 1, -1);
}
return fcurve_eval_keyframes_interpolate(fcu, bezts, evaltime);
}
/* Calculate F-Curve value for 'evaltime' using FPoint samples */