diff options
Diffstat (limited to 'source/blender/blenkernel/intern/armature.c')
| -rw-r--r-- | source/blender/blenkernel/intern/armature.c | 57 |
1 files changed, 55 insertions, 2 deletions
diff --git a/source/blender/blenkernel/intern/armature.c b/source/blender/blenkernel/intern/armature.c index d3dcb2b72a0..431c24d3ed0 100644 --- a/source/blender/blenkernel/intern/armature.c +++ b/source/blender/blenkernel/intern/armature.c @@ -222,6 +222,10 @@ bArmature *BKE_armature_copy(bArmature *arm) newArm->act_edbone = NULL; newArm->sketch = NULL; + if (arm->id.lib) { + BKE_id_lib_local_paths(G.main, arm->id.lib, &newArm->id); + } + return newArm; } @@ -1654,6 +1658,7 @@ static void pose_proxy_synchronize(Object *ob, Object *from, int layer_protected pchanw.next = pchan->next; pchanw.parent = pchan->parent; pchanw.child = pchan->child; + pchanw.custom_tx = pchan->custom_tx; pchanw.mpath = pchan->mpath; pchan->mpath = NULL; @@ -2161,9 +2166,9 @@ static void splineik_evaluate_bone(tSplineIK_Tree *tree, Scene *scene, Object *o mul_v3_fl(poseMat[2], scale); break; } - case CONSTRAINT_SPLINEIK_XZS_VOLUMETRIC: + case CONSTRAINT_SPLINEIK_XZS_INVERSE: { - /* 'volume preservation' */ + /* old 'volume preservation' method using the inverse scale */ float scale; /* calculate volume preservation factor which is @@ -2184,6 +2189,54 @@ static void splineik_evaluate_bone(tSplineIK_Tree *tree, Scene *scene, Object *o mul_v3_fl(poseMat[2], scale); break; } + case CONSTRAINT_SPLINEIK_XZS_VOLUMETRIC: + { + /* improved volume preservation based on the Stretch To constraint */ + float final_scale; + + /* as the basis for volume preservation, we use the inverse scale factor... */ + if (fabsf(scaleFac) != 0.0f) { + /* NOTE: The method here is taken wholesale from the Stretch To constraint */ + float bulge = powf(1.0f / fabsf(scaleFac), ikData->bulge); + + if (bulge > 1.0f) { + if (ikData->flag & CONSTRAINT_SPLINEIK_USE_BULGE_MAX) { + float bulge_max = max_ff(ikData->bulge_max, 1.0f); + float hard = min_ff(bulge, bulge_max); + + float range = bulge_max - 1.0f; + float scale = (range > 0.0f) ? 1.0f / range : 0.0f; + float soft = 1.0f + range * atanf((bulge - 1.0f) * scale) / (0.5f * M_PI); + + bulge = interpf(soft, hard, ikData->bulge_smooth); + } + } + if (bulge < 1.0f) { + if (ikData->flag & CONSTRAINT_SPLINEIK_USE_BULGE_MIN) { + float bulge_min = CLAMPIS(ikData->bulge_min, 0.0f, 1.0f); + float hard = max_ff(bulge, bulge_min); + + float range = 1.0f - bulge_min; + float scale = (range > 0.0f) ? 1.0f / range : 0.0f; + float soft = 1.0f - range * atanf((1.0f - bulge) * scale) / (0.5f * M_PI); + + bulge = interpf(soft, hard, ikData->bulge_smooth); + } + } + + /* compute scale factor for xz axes from this value */ + final_scale = sqrt(bulge); + } + else { + /* no scaling, so scale factor is simple */ + final_scale = 1.0f; + } + + /* apply the scaling (assuming normalised scale) */ + mul_v3_fl(poseMat[0], final_scale); + mul_v3_fl(poseMat[2], final_scale); + break; + } } /* finally, multiply the x and z scaling by the radius of the curve too, |