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Array Brush: Implement array instances datalayer

This commit is contained in:
Pablo Dobarro 2021-07-02 22:10:21 +02:00
parent 4f8c63e77b
commit 9dbf3b9fab
2 changed files with 96 additions and 3 deletions
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96
source/blender/editors/sculpt_paint/sculpt_array.c
View File

@ -62,6 +62,7 @@ static const char array_symmetry_pass_cd_name[] = "v_symmetry_pass";
static const char array_instance_cd_name[] = "v_array_instance";
#define SCUPT_ARRAY_COUNT 5
#define ARRAY_INSTANCE_ORIGINAL -1
static void sculpt_array_modify_sculpt_mesh(Object *ob, Mesh *array_mesh)
{
@ -103,6 +104,20 @@ static BMesh *sculpt_array_source_mesh_calculate(Sculpt *sd, Object *ob) {
Mesh *sculpt_mesh = BKE_object_get_original_mesh(ob);
const int totvert = SCULPT_vertex_count_get(ss);
int *v_array_instance = CustomData_add_layer_named(&sculpt_mesh->vdata,
CD_PROP_INT32,
CD_CALLOC,
NULL,
sculpt_mesh->totvert,
array_instance_cd_name);
for (int i = 0; i < sculpt_mesh->totvert; i++) {
v_array_instance[i] = ARRAY_INSTANCE_ORIGINAL;
}
printf("ARRAY INSTANCE SET\n");
BMesh *srcbm;
const BMAllocTemplate allocsizea = BMALLOC_TEMPLATE_FROM_ME(sculpt_mesh);
srcbm = BM_mesh_create(&allocsizea,
@ -177,18 +192,54 @@ static BMesh *sculpt_array_source_mesh_calculate(Sculpt *sd, Object *ob) {
CustomData_bmesh_merge(&srcbm->ldata, &destbm->ldata, &CD_MASK_BMESH, 0, destbm, BM_LOOP);
*/
printf("GET LAYER INDEX\n");
const int cd_array_instance_index = CustomData_get_named_layer_index(
&srcbm->vdata, CD_PROP_INT32, array_instance_cd_name);
printf("DONE\n");
if (cd_array_instance_index == -1) {
printf("NO DATALAYER INDEX\n");
}
printf("GET LAYER OFFSET\n");
const int cd_array_instance_offset = CustomData_get_n_offset(
&srcbm->vdata, CD_PROP_INT32, cd_array_instance_index);
printf("DONE\n");
if (cd_array_instance_offset == -1) {
printf("NO DATALAYER offset\n");
}
BM_mesh_elem_toolflags_ensure(destbm);
BM_mesh_copy_init_customdata(destbm, srcbm, &bm_mesh_allocsize_default);
const int opflag = (BMO_FLAG_DEFAULTS & ~BMO_FLAG_RESPECT_HIDE);
BM_mesh_elem_table_ensure(srcbm, BM_VERT);
BM_mesh_elem_index_ensure(srcbm, BM_VERT);
for (int i = 0; i < SCUPT_ARRAY_COUNT; i++) {
for (int j = 0; j < srcbm->totvert; j++) {
BMVert *vert = BM_vert_at_index(srcbm, j);
printf("SET INDEX %d\n", i);
BM_ELEM_CD_SET_INT(vert, cd_array_instance_offset, i);
}
const int opflag = (BMO_FLAG_DEFAULTS & ~BMO_FLAG_RESPECT_HIDE);
//CustomData_bmesh_merge(&srcbm->vdata, &destbm->vdata, &CD_MASK_BMESH.vmask, 0, destbm, BM_VERT);
BM_mesh_copy_init_customdata(destbm, srcbm, &bm_mesh_allocsize_default);
BMO_op_callf(srcbm, opflag, "duplicate geom=%avef dest=%p", destbm);
}
Mesh *result = BKE_mesh_from_bmesh_for_eval_nomain(destbm, NULL, sculpt_mesh);
result->runtime.cd_dirty_vert |= CD_MASK_NORMAL;
BKE_mesh_nomain_to_mesh(result, ob->data, ob, &CD_MASK_MESH, true);
BKE_mesh_free(result);
BKE_mesh_batch_cache_dirty_tag(ob->data, BKE_MESH_BATCH_DIRTY_ALL);
ss->needs_pbvh_rebuild = true;
@ -207,9 +258,48 @@ void SCULPT_do_array_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode
sculpt_array_source_mesh_calculate(sd, ob);
/* Insert copies and prepare datalayers. */
Mesh *sculpt_mesh = BKE_object_get_original_mesh(ob);
int *cd_array_instance = CustomData_get_layer_named(
&sculpt_mesh->vdata, CD_PROP_INT32, array_instance_cd_name);
if (!cd_array_instance) {
printf("NO CD LAYER\n");
return;
}
const int totvert = SCULPT_vertex_count_get(ss);
for (int i = 0; i < totvert; i++) {
const int array_index = cd_array_instance[i];
//printf("array index %d\n", array_index);
}
return;
}
return;
Mesh *sculpt_mesh = BKE_object_get_original_mesh(ob);
int *cd_array_instance = CustomData_get_layer_named(
&sculpt_mesh->vdata, CD_PROP_INT32, array_instance_cd_name);
const int totvert = SCULPT_vertex_count_get(ss);
if (!ss->cache->array_orco) {
ss->cache->array_orco = MEM_calloc_arrayN(sculpt_mesh->totvert, sizeof(float) * 3, "array orco");
for (int i = 0; i < sculpt_mesh->totvert; i++) {
copy_v3_v3(ss->cache->array_orco[i], sculpt_mesh->mvert[i].co);
}
}
for (int i = 0; i < totvert; i++) {
const int array_index = cd_array_instance[i];
const float fade = ((float)array_index + 1.0f) / (float)(SCUPT_ARRAY_COUNT);
madd_v3_v3v3fl(ss->mvert[i].co, ss->cache->array_orco[i], ss->cache->grab_delta_symmetry, fade);
}
for (int i = 0; i < totnode; i++) {
BKE_pbvh_node_mark_update(nodes[i]);
}
}

3
source/blender/editors/sculpt_paint/sculpt_intern.h
View File

@ -981,6 +981,9 @@ typedef struct StrokeCache {
/* Multires Displacement Smear. */
float (*prev_displacement)[3];
float (*limit_surface_co)[3];
/* Array brush. */
float (*array_orco)[3];
/* The rest is temporary storage that isn't saved as a property */