Differential D8163 Diff 26435 source/blender/editors/sculpt_paint/sculpt.c

Changeset View

Standalone View

source/blender/editors/sculpt_paint/sculpt.c

This file is larger than 256 KB, so syntax highlighting is disabled by default.

Show First 20 Lines • Show All 8,227 Lines • ▼ Show 20 Lines
static void SCULPT_fake_neighbor_add(SculptSession *ss, int v_index_a, int v_index_b)		static void SCULPT_fake_neighbor_add(SculptSession *ss, int v_index_a, int v_index_b)
{		{
if (ss->fake_neighbors.fake_neighbor_index[v_index_a] == FAKE_NEIGHBOR_NONE) {		if (ss->fake_neighbors.fake_neighbor_index[v_index_a] == FAKE_NEIGHBOR_NONE) {
ss->fake_neighbors.fake_neighbor_index[v_index_a] = v_index_b;		ss->fake_neighbors.fake_neighbor_index[v_index_a] = v_index_b;
ss->fake_neighbors.fake_neighbor_index[v_index_b] = v_index_a;		ss->fake_neighbors.fake_neighbor_index[v_index_b] = v_index_a;
}		}
}		}

		static void SCULPT_fake_neighbor_remove(SculptSession *ss, int v_index)
		{
		if (ss->fake_neighbors.fake_neighbor_index[v_index] != FAKE_NEIGHBOR_NONE) {
		const int neighbor = ss->fake_neighbors.fake_neighbor_index[v_index];
		ss->fake_neighbors.fake_neighbor_index[v_index] = FAKE_NEIGHBOR_NONE;
		ss->fake_neighbors.fake_neighbor_index[neighbor] = FAKE_NEIGHBOR_NONE;
		}
		}

static void sculpt_pose_fake_neighbors_free(SculptSession *ss)		static void sculpt_pose_fake_neighbors_free(SculptSession *ss)
{		{
MEM_SAFE_FREE(ss->fake_neighbors.fake_neighbor_index);		MEM_SAFE_FREE(ss->fake_neighbors.fake_neighbor_index);
}		}

typedef struct NearestVertexFakeNeighborTLSData {		typedef struct NearestVertexFakeNeighborTLSData {
int nearest_vertex_index;		int nearest_vertex_index;
float nearest_vertex_distance_squared;		float nearest_vertex_distance_squared;
▲ Show 20 Lines • Show All 140 Lines • ▼ Show 20 Lines	void SCULPT_fake_neighbors_ensure(Sculpt sd, Object ob, const float max_dist)
if (ss->fake_neighbors.fake_neighbor_index &&		if (ss->fake_neighbors.fake_neighbor_index &&
ss->fake_neighbors.current_max_distance == max_dist) {		ss->fake_neighbors.current_max_distance == max_dist) {
return;		return;
}		}

SCULPT_connected_components_ensure(ob);		SCULPT_connected_components_ensure(ob);
SCULPT_fake_neighbor_init(ss, max_dist);		SCULPT_fake_neighbor_init(ss, max_dist);

		float *fake_neighbor_distance_sq = MEM_malloc_arrayN(
		totvert, sizeof(float), "neighbor distance");
		for (int i = 0; i < totvert; i++) {
		fake_neighbor_distance_sq[i] = FLT_MAX;
		}

for (int i = 0; i < totvert; i++) {		for (int i = 0; i < totvert; i++) {
const int from_v = i;		const int from_v = i;

/* This vertex does not have a fake neighbor yet, seach one for it. */		float max_dist_search = max_dist;
if (ss->fake_neighbors.fake_neighbor_index[from_v] == FAKE_NEIGHBOR_NONE) {		if (ss->fake_neighbors.fake_neighbor_index[from_v] != FAKE_NEIGHBOR_NONE) {
const int to_v = SCULPT_fake_neighbor_search(sd, ob, from_v, max_dist);		max_dist_search = sqrtf(fake_neighbor_distance_sq[from_v]);
		}
		const int to_v = SCULPT_fake_neighbor_search(sd, ob, from_v, max_dist_search);

if (to_v != -1) {		if (to_v != -1) {
/* Add the fake neighbor if available. */		const float *from_v_co = SCULPT_vertex_co_get(ss, from_v);
		const float *to_v_co = SCULPT_vertex_co_get(ss, to_v);
		const float dist_sq = len_squared_v3v3(from_v_co, to_v_co);
		if (dist_sq < fake_neighbor_distance_sq[from_v] &&
		dist_sq < fake_neighbor_distance_sq[to_v]) {
		/* Remove fake neigbors that could have been added in a previous iteration with a greater
		* distance before adding the new one. */
		if (ss->fake_neighbors.fake_neighbor_index[from_v] != FAKE_NEIGHBOR_NONE) {
		fake_neighbor_distance_sq[from_v] = FLT_MAX;
		fake_neighbor_distance_sq[ss->fake_neighbors.fake_neighbor_index[from_v]] = FLT_MAX;
		SCULPT_fake_neighbor_remove(ss, from_v);
		}
SCULPT_fake_neighbor_add(ss, from_v, to_v);		SCULPT_fake_neighbor_add(ss, from_v, to_v);
		fake_neighbor_distance_sq[from_v] = dist_sq;
		fake_neighbor_distance_sq[to_v] = dist_sq;
}		}
}		}
}		}

		MEM_freeN(fake_neighbor_distance_sq);
}		}

void SCULPT_fake_neighbors_enable(Object *ob)		void SCULPT_fake_neighbors_enable(Object *ob)
{		{
SculptSession *ss = ob->sculpt;		SculptSession *ss = ob->sculpt;
BLI_assert(ss->fake_neighbors.fake_neighbor_index != NULL);		BLI_assert(ss->fake_neighbors.fake_neighbor_index != NULL);
ss->fake_neighbors.use_fake_neighbors = true;		ss->fake_neighbors.use_fake_neighbors = true;
}		}
▲ Show 20 Lines • Show All 41 Lines • Show Last 20 Lines