diff options
Diffstat (limited to 'source/blender/blenkernel/intern/fcurve.c')
| -rw-r--r-- | source/blender/blenkernel/intern/fcurve.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/source/blender/blenkernel/intern/fcurve.c b/source/blender/blenkernel/intern/fcurve.c index 524919b3dc0..e63d99a35ee 100644 --- a/source/blender/blenkernel/intern/fcurve.c +++ b/source/blender/blenkernel/intern/fcurve.c @@ -1922,13 +1922,14 @@ float driver_get_variable_value(ChannelDriver *driver, DriverVar *dvar) /* Evaluate an Channel-Driver to get a 'time' value to use instead of "evaltime" * - "evaltime" is the frame at which F-Curve is being evaluated * - has to return a float value + * - driver_orig is where we cache Python expressions, in case of COW */ -float evaluate_driver(PathResolvedRNA *anim_rna, ChannelDriver *driver, const float evaltime) +float evaluate_driver(PathResolvedRNA *anim_rna, ChannelDriver *driver, ChannelDriver *driver_orig, const float evaltime) { DriverVar *dvar; /* check if driver can be evaluated */ - if (driver->flag & DRIVER_FLAG_INVALID) + if (driver_orig->flag & DRIVER_FLAG_INVALID) return 0.0f; switch (driver->type) { @@ -1998,8 +1999,8 @@ float evaluate_driver(PathResolvedRNA *anim_rna, ChannelDriver *driver, const fl { #ifdef WITH_PYTHON /* check for empty or invalid expression */ - if ( (driver->expression[0] == '\0') || - (driver->flag & DRIVER_FLAG_INVALID) ) + if ( (driver_orig->expression[0] == '\0') || + (driver_orig->flag & DRIVER_FLAG_INVALID) ) { driver->curval = 0.0f; } @@ -2009,7 +2010,7 @@ float evaluate_driver(PathResolvedRNA *anim_rna, ChannelDriver *driver, const fl */ BLI_mutex_lock(&python_driver_lock); - driver->curval = BPY_driver_exec(anim_rna, driver, evaltime); + driver->curval = BPY_driver_exec(anim_rna, driver, driver_orig, evaltime); BLI_mutex_unlock(&python_driver_lock); } @@ -2705,7 +2706,7 @@ float evaluate_fcurve(FCurve *fcu, float evaltime) return evaluate_fcurve_ex(fcu, evaltime, 0.0); } -float evaluate_fcurve_driver(PathResolvedRNA *anim_rna, FCurve *fcu, float evaltime) +float evaluate_fcurve_driver(PathResolvedRNA *anim_rna, FCurve *fcu, ChannelDriver *driver_orig, float evaltime) { BLI_assert(fcu->driver != NULL); float cvalue = 0.0f; @@ -2715,7 +2716,7 @@ float evaluate_fcurve_driver(PathResolvedRNA *anim_rna, FCurve *fcu, float evalt */ if (fcu->driver) { /* evaltime now serves as input for the curve */ - evaltime = evaluate_driver(anim_rna, fcu->driver, evaltime); + evaltime = evaluate_driver(anim_rna, fcu->driver, driver_orig, evaltime); /* only do a default 1-1 mapping if it's unlikely that anything else will set a value... */ if (fcu->totvert == 0) { @@ -2762,7 +2763,7 @@ float calculate_fcurve(PathResolvedRNA *anim_rna, FCurve *fcu, float evaltime) /* calculate and set curval (evaluates driver too if necessary) */ float curval; if (fcu->driver) { - curval = evaluate_fcurve_driver(anim_rna, fcu, evaltime); + curval = evaluate_fcurve_driver(anim_rna, fcu, fcu->driver, evaltime); } else { curval = evaluate_fcurve(fcu, evaltime); |