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Sculpt Expand: Loops and recursion types

This commit is contained in:
Pablo Dobarro 2021-01-18 23:28:49 +01:00
parent 65cea9523e
commit 2765fb6c76
3 changed files with 107 additions and 28 deletions
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2
release/scripts/presets/keyconfig/keymap_data/blender_default.py
View File

@ -5541,6 +5541,8 @@ def km_sculpt_expand_modal(_params):
("FALLOFF_TOPOLOGY", {"type": 'TWO', "value": 'PRESS', "any": True, "repeat" : False}, None),
("FALLOFF_SPHERICAL", {"type": 'THREE', "value": 'PRESS', "any": True, "repeat" : False}, None),
("SNAP_TOGGLE", {"type": 'Z', "value": 'ANY', "any": True, "repeat" : False}, None),
("LOOP_COUNT_INCREASE", {"type": 'W', "value": 'PRESS', "any": True, "repeat" : False}, None),
("LOOP_COUNT_DECREASE", {"type": 'Q', "value": 'PRESS', "any": True, "repeat" : False}, None),
])
return keymap

124
source/blender/editors/sculpt_paint/sculpt_expand.c
View File

@ -88,6 +88,8 @@ enum {
SCULPT_EXPAND_MODAL_FALLOFF_TOPOLOGY,
SCULPT_EXPAND_MODAL_FALLOFF_SPHERICAL,
SCULPT_EXPAND_MODAL_SNAP_TOGGLE,
SCULPT_EXPAND_MODAL_LOOP_COUNT_INCREASE,
SCULPT_EXPAND_MODAL_LOOP_COUNT_DECREASE,
};
static EnumPropertyItem prop_sculpt_expand_falloff_type_items[] = {
@ -108,17 +110,23 @@ static EnumPropertyItem prop_sculpt_expand_target_type_items[] = {
{0, NULL, 0, NULL, NULL},
};
static bool sculpt_expand_state_get(SculptSession *ss, ExpandCache *expand_cache, const int i)
{
bool enabled = false;
if (expand_cache->snap) {
const int face_set = SCULPT_vertex_face_set_get(ss, i);
enabled = BLI_gset_haskey(expand_cache->snap_enabled_face_sets, POINTER_FROM_INT(face_set));
}
else {
enabled = expand_cache->falloff_factor[i] <= expand_cache->active_factor;
const float loop_len = (expand_cache->max_falloff_factor / expand_cache->loop_count) + 0.0001f;
const float active_factor = fmod(expand_cache->active_factor, loop_len);
const float falloff_factor = fmod(expand_cache->falloff_factor[i], loop_len);
enabled = falloff_factor < active_factor;
}
if (expand_cache->invert) {
@ -138,16 +146,16 @@ static bool sculpt_expand_face_state_get(SculptSession *ss, ExpandCache *expand_
enabled = expand_cache->face_falloff_factor[f] <= expand_cache->active_factor;
}
if (expand_cache->invert) {
enabled = !enabled;
}
if (expand_cache->falloff_factor_type == SCULPT_EXPAND_FALLOFF_ACTIVE_FACE_SET) {
if (ss->face_sets[f] == expand_cache->initial_active_face_set) {
enabled = false;
}
}
if (expand_cache->invert) {
enabled = !enabled;
}
return enabled;
}
@ -157,12 +165,16 @@ static float sculpt_expand_gradient_falloff_get(ExpandCache *expand_cache, const
return 1.0f;
}
const float loop_len = (expand_cache->max_falloff_factor / expand_cache->loop_count) + 0.0001f;
const float active_factor = fmod(expand_cache->active_factor, loop_len);
const float falloff_factor = fmod(expand_cache->falloff_factor[i], loop_len);
if (expand_cache->invert) {
return (expand_cache->falloff_factor[i] - expand_cache->active_factor) /
(expand_cache->max_falloff_factor - expand_cache->active_factor);
return (falloff_factor - active_factor) /
(loop_len - active_factor);
}
return 1.0f - (expand_cache->falloff_factor[i] / expand_cache->active_factor);
return 1.0f - (falloff_factor / active_factor);
}
static float *sculpt_expand_geodesic_falloff_create(Sculpt *sd, Object *ob, const int vertex)
@ -324,7 +336,6 @@ static float *sculpt_expand_boundary_topology_falloff_create(Sculpt *sd,
float *dists = MEM_calloc_arrayN(sizeof(float), totvert, "spherical dist");
BLI_bitmap *visited_vertices = BLI_BITMAP_NEW(totvert, "visited vertices");
GSQueue *queue = BLI_gsqueue_new(sizeof(int));
const char symm = SCULPT_mesh_symmetry_xyz_get(ob);
for (char symm_it = 0; symm_it <= symm; symm_it++) {
if (!SCULPT_is_symmetry_iteration_valid(symm_it, symm)) {
@ -437,18 +448,13 @@ static BLI_bitmap *sculpt_expand_bitmap_from_enabled(SculptSession *ss, ExpandCa
return enabled_vertices;
}
static void sculpt_expand_from_state_boundary(Object *ob,
static void sculpt_expand_geodesics_from_state_boundary(Object *ob,
ExpandCache *expand_cache,
BLI_bitmap *enabled_vertices)
{
BLI_bitmap *enabled_vertices) {
SculptSession *ss = ob->sculpt;
GSet *initial_vertices = BLI_gset_int_new("initial_vertices");
const int totvert = SCULPT_vertex_count_get(ss);
SculptFloodFill flood;
SCULPT_floodfill_init(ss, &flood);
for (int i = 0; i < totvert; i++) {
SculptVertexNeighborIter ni;
if (!BLI_BITMAP_TEST(enabled_vertices, i)) {
@ -464,6 +470,35 @@ static void sculpt_expand_from_state_boundary(Object *ob,
SCULPT_VERTEX_NEIGHBORS_ITER_END(ni);
if (is_expand_boundary) {
BLI_gset_add(initial_vertices, POINTER_FROM_INT(i));
}
}
MEM_SAFE_FREE(expand_cache->falloff_factor);
MEM_SAFE_FREE(expand_cache->face_falloff_factor);
expand_cache->falloff_factor = SCULPT_geodesic_distances_create(ob, initial_vertices, FLT_MAX);
BLI_gset_free(initial_vertices, NULL);
}
static void sculpt_expand_topology_from_state_boundary(Object *ob,
ExpandCache *expand_cache,
BLI_bitmap *enabled_vertices) {
SculptSession *ss = ob->sculpt;
const int totvert = SCULPT_vertex_count_get(ss);
SculptFloodFill flood;
SCULPT_floodfill_init(ss, &flood);
for (int i = 0; i < totvert; i++) {
SculptVertexNeighborIter ni;
if (!BLI_BITMAP_TEST(enabled_vertices, i)) {
continue;
}
bool is_expand_boundary = false;
SCULPT_VERTEX_NEIGHBORS_ITER_BEGIN (ss, i, ni) {
if (!BLI_BITMAP_TEST(enabled_vertices, ni.index)) {
is_expand_boundary = true;
}
}
SCULPT_VERTEX_NEIGHBORS_ITER_END(ni);
if (is_expand_boundary) {
SCULPT_floodfill_add_initial(&flood, i);
}
}
@ -474,16 +509,26 @@ static void sculpt_expand_from_state_boundary(Object *ob,
float *dists = MEM_calloc_arrayN(sizeof(float), totvert, "topology dist");
ExpandFloodFillData fdata;
fdata.dists = dists;
SCULPT_floodfill_execute(ss, &flood, mask_expand_topology_floodfill_cb, &fdata);
expand_cache->falloff_factor = dists;
SCULPT_floodfill_free(&flood);
expand_cache->falloff_factor = SCULPT_geodesic_distances_create(ob, initial_vertices, FLT_MAX);
BLI_gset_free(initial_vertices, NULL);
}
static void sculpt_expand_finitialize_from_face_set_boundary(Object *ob,
static void sculpt_expand_from_state_boundary(Object *ob,
ExpandCache *expand_cache,
BLI_bitmap *enabled_vertices)
{
switch (expand_cache->recursion_type) {
case SCULPT_EXPAND_RECURSION_GEODESICS:
sculpt_expand_geodesics_from_state_boundary(ob, expand_cache, enabled_vertices);
break;
case SCULPT_EXPAND_RECURSION_TOPOLOGY:
sculpt_expand_topology_from_state_boundary(ob, expand_cache, enabled_vertices);
break;
}
}
static void sculpt_expand_initialize_from_face_set_boundary(Object *ob,
ExpandCache *expand_cache,
const int active_face_set,
const bool internal_falloff)
@ -598,12 +643,13 @@ static void sculpt_expand_falloff_factors_from_vertex_and_symm_create(
case SCULPT_EXPAND_FALLOFF_BOUNDARY_TOPOLOGY:
expand_cache->falloff_factor = sculpt_expand_boundary_topology_falloff_create(
sd, ob, vertex);
break;
case SCULPT_EXPAND_FALLOFF_BOUNDARY_FACE_SET:
sculpt_expand_finitialize_from_face_set_boundary(
sculpt_expand_initialize_from_face_set_boundary(
ob, expand_cache, expand_cache->initial_active_face_set, true);
break;
case SCULPT_EXPAND_FALLOFF_ACTIVE_FACE_SET:
sculpt_expand_finitialize_from_face_set_boundary(
sculpt_expand_initialize_from_face_set_boundary(
ob, expand_cache, expand_cache->initial_active_face_set, false);
break;
}
@ -1120,6 +1166,15 @@ static int sculpt_expand_modal(bContext *C, wmOperator *UNUSED(op), const wmEven
SCULPT_EXPAND_FALLOFF_SPHERICAL);
break;
}
case SCULPT_EXPAND_MODAL_LOOP_COUNT_INCREASE: {
expand_cache->loop_count += 1;
break;
}
case SCULPT_EXPAND_MODAL_LOOP_COUNT_DECREASE: {
expand_cache->loop_count -= 1;
expand_cache->loop_count = max_ii(expand_cache->loop_count, 1);
break;
}
}
}
@ -1205,6 +1260,9 @@ static void sculpt_expand_cache_initial_config_set(Sculpt *sd,
expand_cache->target = RNA_enum_get(op->ptr, "target");
expand_cache->modify_active = RNA_boolean_get(op->ptr, "use_modify_active");
/* TODO: Expose in RNA. */
expand_cache->loop_count = 1;
SculptSession *ss = ob->sculpt;
Brush *brush = BKE_paint_brush(&sd->paint);
copy_v4_fl(expand_cache->fill_color, 1.0f);
@ -1246,6 +1304,7 @@ static int sculpt_expand_invoke(bContext *C, wmOperator *op, const wmEvent *even
BKE_pbvh_search_gather(
ss->pbvh, NULL, NULL, &ss->expand_cache->nodes, &ss->expand_cache->totnode);
/* Store initial state. */
sculpt_expand_initial_state_store(ob, ss->expand_cache);
@ -1263,6 +1322,8 @@ static int sculpt_expand_invoke(bContext *C, wmOperator *op, const wmEvent *even
falloff_type = SCULPT_EXPAND_FALLOFF_BOUNDARY_TOPOLOGY;
}
ss->expand_cache->recursion_type = SCULPT_EXPAND_RECURSION_TOPOLOGY;
sculpt_expand_falloff_factors_from_vertex_and_symm_create(
ss->expand_cache, sd, ob, ss->expand_cache->initial_active_vertex, falloff_type);
@ -1302,12 +1363,19 @@ void sculpt_expand_modal_keymap(wmKeyConfig *keyconf)
0,
"Move the origin of the expand",
""},
{SCULPT_EXPAND_MODAL_FALLOFF_SPHERICAL,
"FALLOFF_SPHERICAL",
{SCULPT_EXPAND_MODAL_FALLOFF_SPHERICAL, "FALLOFF_SPHERICAL",
0,
"Move the origin of the expand",
""},
{SCULPT_EXPAND_MODAL_SNAP_TOGGLE, "SNAP_TOGGLE", 0, "Snap expand to Face Sets", ""},
{SCULPT_EXPAND_MODAL_LOOP_COUNT_INCREASE, "LOOP_COUNT_INCREASE",
0,
"Loop Count Increase",
""},
{SCULPT_EXPAND_MODAL_LOOP_COUNT_DECREASE, "LOOP_COUNT_DECREASE",
0,
"Loop Count Decrease",
""},
{0, NULL, 0, NULL, NULL},
};

9
source/blender/editors/sculpt_paint/sculpt_intern.h
View File

@ -1167,9 +1167,17 @@ typedef enum eSculptExpandTargetType {
SCULPT_EXPAND_TARGET_COLORS,
} eSculptExpandTargetType;
typedef enum eSculptExpandRecursionType {
SCULPT_EXPAND_RECURSION_TOPOLOGY,
SCULPT_EXPAND_RECURSION_GEODESICS,
} eSculptExpandRecursionType;
typedef struct ExpandCache {
eSculptExpandTargetType target;
eSculptExpandRecursionType recursion_type;
eSculptExpandFalloffType falloff_factor_type;
float *falloff_factor;
float max_falloff_factor;
@ -1189,6 +1197,7 @@ typedef struct ExpandCache {
PBVHNode **nodes;
int totnode;
int loop_count;
bool invert;
bool preserve;
bool falloff_gradient;