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Differential D4701 Diff 14786 source/blender/blenkernel/intern/fcurve.c

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source/blender/blenkernel/intern/fcurve.c

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/* ***************************** F-Curve - Evaluation ********************************* */ /* ***************************** F-Curve - Evaluation ********************************* */
/* Evaluate and return the value of the given F-Curve at the specified frame ("evaltime") /* Evaluate and return the value of the given F-Curve at the specified frame ("evaltime")
* Note: this is also used for drivers * Note: this is also used for drivers
*/ */
static float evaluate_fcurve_ex(FCurve *fcu, float evaltime, float cvalue) static float evaluate_fcurve_ex(FCurve *fcu, float evaltime, float cvalue)
{ {
FModifierStackStorage *storage;
float devaltime; float devaltime;
/* evaluate modifiers which modify time to evaluate the base curve at */ /* evaluate modifiers which modify time to evaluate the base curve at */
storage = evaluate_fmodifiers_storage_new(&fcu->modifiers); FModifiersStackStorage storage;
devaltime = evaluate_time_fmodifiers(storage, &fcu->modifiers, fcu, cvalue, evaltime); storage.modifier_count = BLI_listbase_count(&fcu->modifiers);
storage.size_per_modifier = evaluate_fmodifiers_storage_size_per_modifier(&fcu->modifiers);
storage.buffer = alloca(storage.modifier_count * storage.size_per_modifier);
devaltime = evaluate_time_fmodifiers(&storage, &fcu->modifiers, fcu, cvalue, evaltime);
/* evaluate curve-data /* evaluate curve-data
* - 'devaltime' instead of 'evaltime', as this is the time that the last time-modifying * - 'devaltime' instead of 'evaltime', as this is the time that the last time-modifying
* F-Curve modifier on the stack requested the curve to be evaluated at * F-Curve modifier on the stack requested the curve to be evaluated at
*/ */
if (fcu->bezt) if (fcu->bezt)
cvalue = fcurve_eval_keyframes(fcu, fcu->bezt, devaltime); cvalue = fcurve_eval_keyframes(fcu, fcu->bezt, devaltime);
else if (fcu->fpt) else if (fcu->fpt)
cvalue = fcurve_eval_samples(fcu, fcu->fpt, devaltime); cvalue = fcurve_eval_samples(fcu, fcu->fpt, devaltime);
/* evaluate modifiers */ /* evaluate modifiers */
evaluate_value_fmodifiers(storage, &fcu->modifiers, fcu, &cvalue, devaltime); evaluate_value_fmodifiers(&storage, &fcu->modifiers, fcu, &cvalue, devaltime);
evaluate_fmodifiers_storage_free(storage);
/* if curve can only have integral values, perform truncation (i.e. drop the decimal part) /* if curve can only have integral values, perform truncation (i.e. drop the decimal part)
* here so that the curve can be sampled correctly * here so that the curve can be sampled correctly
*/ */
if (fcu->flag & FCURVE_INT_VALUES) if (fcu->flag & FCURVE_INT_VALUES)
cvalue = floorf(cvalue + 0.5f); cvalue = floorf(cvalue + 0.5f);
/* return evaluated value */ /* return evaluated value */
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