From 94a2801322e4bd07d40c12196fc65150297a54dc Mon Sep 17 00:00:00 2001 From: Antony Riakiotakis Date: Thu, 19 Dec 2013 00:48:26 +0200 Subject: Fix T37807 gravity causes crashes when using shif-smoothing. Turns out we didn't properly free node proxies that gravity did use and strokes ended up accessing previous data. Also deactivated gravity when a smooth brush is used. It is kind of distracting to get the mesh gravitated while smoothing. --- source/blender/editors/sculpt_paint/sculpt.c | 37 +++++++++++++++++----------- 1 file changed, 23 insertions(+), 14 deletions(-) (limited to 'source/blender/editors/sculpt_paint') diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c index 74afda731ea..91d6c18760d 100644 --- a/source/blender/editors/sculpt_paint/sculpt.c +++ b/source/blender/editors/sculpt_paint/sculpt.c @@ -3014,7 +3014,7 @@ static void do_gravity(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode, fl mul_v3_fl(offset, bstrength); /* threaded loop over nodes */ -#pragma omp parallel for schedule(guided) if (sd->flags & SCULPT_USE_OPENMP) + #pragma omp parallel for schedule(guided) if (sd->flags & SCULPT_USE_OPENMP) for (n = 0; n < totnode; n++) { PBVHVertexIter vd; SculptBrushTest test; @@ -3162,6 +3162,11 @@ static void sculpt_topology_update(Sculpt *sd, Object *ob, Brush *brush) } } +static bool sculpt_brush_supports_gravity(Brush *br, Sculpt *sd) +{ + return !ELEM(br->sculpt_tool, SCULPT_TOOL_MASK, SCULPT_TOOL_SMOOTH) && sd->gravity_factor > 0.0f; +} + static void do_brush_action(Sculpt *sd, Object *ob, Brush *brush) { SculptSession *ss = ob->sculpt; @@ -3267,7 +3272,7 @@ static void do_brush_action(Sculpt *sd, Object *ob, Brush *brush) } } - if (brush->sculpt_tool != SCULPT_TOOL_MASK && sd->gravity_factor > 0.0f) + if (sculpt_brush_supports_gravity(brush, sd)) do_gravity(sd, ob, nodes, totnode, sd->gravity_factor); MEM_freeN(nodes); @@ -3309,7 +3314,9 @@ static void sculpt_combine_proxies(Sculpt *sd, Object *ob) BKE_pbvh_gather_proxies(ss->pbvh, &nodes, &totnode); - if (!ELEM(brush->sculpt_tool, SCULPT_TOOL_SMOOTH, SCULPT_TOOL_LAYER)) { + /* first line is tools that don't support proxies */ + if (!ELEM(brush->sculpt_tool, SCULPT_TOOL_SMOOTH, SCULPT_TOOL_LAYER) || + sculpt_brush_supports_gravity(brush, sd)) { /* these brushes start from original coordinates */ const int use_orco = (ELEM3(brush->sculpt_tool, SCULPT_TOOL_GRAB, SCULPT_TOOL_ROTATE, SCULPT_TOOL_THUMB)); @@ -3939,19 +3946,21 @@ static void sculpt_update_cache_invariants(bContext *C, Sculpt *sd, SculptSessio normalize_v3_v3(cache->true_view_normal, viewDir); /* get gravity vector in world space */ - if (sd->gravity_object) { - Object *gravity_object = sd->gravity_object; + if (sculpt_brush_supports_gravity(brush, sd)) { + if (sd->gravity_object) { + Object *gravity_object = sd->gravity_object; - copy_v3_v3(cache->gravity_direction, gravity_object->obmat[2]); - } - else { - cache->gravity_direction[0] = cache->gravity_direction[1] = 0.0; - cache->gravity_direction[2] = 1.0; - } + copy_v3_v3(cache->gravity_direction, gravity_object->obmat[2]); + } + else { + cache->gravity_direction[0] = cache->gravity_direction[1] = 0.0; + cache->gravity_direction[2] = 1.0; + } - /* transform to sculpted object space */ - mul_m3_v3(mat, cache->gravity_direction); - normalize_v3(cache->gravity_direction); + /* transform to sculpted object space */ + mul_m3_v3(mat, cache->gravity_direction); + normalize_v3(cache->gravity_direction); + } /* Initialize layer brush displacements and persistent coords */ if (brush->sculpt_tool == SCULPT_TOOL_LAYER) { -- cgit v1.2.3