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path: root/source/blender/editors/mesh/editmesh_preselect_elem.c
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Diffstat (limited to 'source/blender/editors/mesh/editmesh_preselect_elem.c')
-rw-r--r--source/blender/editors/mesh/editmesh_preselect_elem.c206
1 files changed, 204 insertions, 2 deletions
diff --git a/source/blender/editors/mesh/editmesh_preselect_elem.c b/source/blender/editors/mesh/editmesh_preselect_elem.c
index a3e684a5493..05c4da68355 100644
--- a/source/blender/editors/mesh/editmesh_preselect_elem.c
+++ b/source/blender/editors/mesh/editmesh_preselect_elem.c
@@ -75,20 +75,49 @@ struct EditMesh_PreSelElem {
float (*verts)[3];
int verts_len;
+
+ float (*preview_tris)[3][3];
+ int preview_tris_len;
+ float (*preview_lines)[2][3];
+ int preview_lines_len;
+
+ eEditMesh_PreSelPreviewAction preview_action;
};
+void EDBM_preselect_action_set(struct EditMesh_PreSelElem *psel,
+ eEditMesh_PreSelPreviewAction action)
+{
+ psel->preview_action = action;
+}
+
+eEditMesh_PreSelPreviewAction EDBM_preselect_action_get(struct EditMesh_PreSelElem *psel)
+{
+ return psel->preview_action;
+}
+
struct EditMesh_PreSelElem *EDBM_preselect_elem_create(void)
{
struct EditMesh_PreSelElem *psel = MEM_callocN(sizeof(*psel), __func__);
+ psel->preview_action = PRESELECT_ACTION_TRANSFORM;
return psel;
}
void EDBM_preselect_elem_destroy(struct EditMesh_PreSelElem *psel)
{
EDBM_preselect_elem_clear(psel);
+ EDBM_preselect_preview_clear(psel);
MEM_freeN(psel);
}
+void EDBM_preselect_preview_clear(struct EditMesh_PreSelElem *psel)
+{
+ MEM_SAFE_FREE(psel->preview_tris);
+ psel->preview_tris_len = 0;
+
+ MEM_SAFE_FREE(psel->preview_lines);
+ psel->preview_lines_len = 0;
+}
+
void EDBM_preselect_elem_clear(struct EditMesh_PreSelElem *psel)
{
MEM_SAFE_FREE(psel->edges);
@@ -112,9 +141,42 @@ void EDBM_preselect_elem_draw(struct EditMesh_PreSelElem *psel, const float matr
uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
- immUniformColor3ub(255, 0, 255);
+
+ immUniformColor4ub(141, 171, 186, 100);
+ if (psel->preview_action != PRESELECT_ACTION_TRANSFORM) {
+ if (psel->preview_tris_len > 0) {
+ immBegin(GPU_PRIM_TRIS, psel->preview_tris_len * 3);
+
+ for (int i = 0; i < psel->preview_tris_len; i++) {
+ immVertex3fv(pos, psel->preview_tris[i][0]);
+ immVertex3fv(pos, psel->preview_tris[i][1]);
+ immVertex3fv(pos, psel->preview_tris[i][2]);
+ }
+ immEnd();
+ }
+
+ if (psel->preview_lines_len > 0) {
+
+ immUniformColor4ub(3, 161, 252, 200);
+ GPU_line_width(2.0f);
+ immBegin(GPU_PRIM_LINES, psel->preview_lines_len * 2);
+ for (int i = 0; i < psel->preview_lines_len; i++) {
+ immVertex3fv(pos, psel->preview_lines[i][0]);
+ immVertex3fv(pos, psel->preview_lines[i][1]);
+ }
+ immEnd();
+ }
+ }
+
+ if (psel->preview_action == PRESELECT_ACTION_DELETE) {
+ immUniformColor4ub(252, 49, 10, 200);
+ }
+ else {
+ immUniformColor4ub(3, 161, 252, 200);
+ }
if (psel->edges_len > 0) {
+ GPU_line_width(3.0f);
immBegin(GPU_PRIM_LINES, psel->edges_len * 2);
for (int i = 0; i < psel->edges_len; i++) {
@@ -126,7 +188,7 @@ void EDBM_preselect_elem_draw(struct EditMesh_PreSelElem *psel, const float matr
}
if (psel->verts_len > 0) {
- GPU_point_size(3.0f);
+ GPU_point_size(4.0f);
immBegin(GPU_PRIM_POINTS, psel->verts_len);
@@ -167,6 +229,122 @@ static void view3d_preselect_mesh_elem_update_from_edge(struct EditMesh_PreSelEl
psel->edges_len = 1;
}
+static void view3d_preselect_update_preview_triangle_from_vert(struct EditMesh_PreSelElem *psel,
+ ViewContext *vc,
+ BMesh *UNUSED(bm),
+ BMVert *eed,
+ const int mval[2])
+{
+ BMVert *v_act = eed;
+ BMEdge *e_pair[2] = {NULL};
+ float center[3];
+
+ if (v_act->e != NULL) {
+ for (uint allow_wire = 0; allow_wire < 2 && (e_pair[1] == NULL); allow_wire++) {
+ int i = 0;
+ BMEdge *e_iter = v_act->e;
+ do {
+ if ((BM_elem_flag_test(e_iter, BM_ELEM_HIDDEN) == false) &&
+ (allow_wire ? BM_edge_is_wire(e_iter) : BM_edge_is_boundary(e_iter))) {
+ if (i == 2) {
+ e_pair[0] = e_pair[1] = NULL;
+ break;
+ }
+ e_pair[i++] = e_iter;
+ }
+ } while ((e_iter = BM_DISK_EDGE_NEXT(e_iter, v_act)) != v_act->e);
+ }
+ }
+
+ if (e_pair[1] != NULL) {
+ mul_v3_m4v3(center, vc->obedit->obmat, v_act->co);
+ ED_view3d_win_to_3d_int(vc->v3d, vc->ar, center, mval, center);
+ mul_m4_v3(vc->obedit->imat, center);
+
+ psel->preview_tris = MEM_mallocN(sizeof(*psel->preview_tris) * 2, __func__);
+ psel->preview_lines = MEM_mallocN(sizeof(*psel->preview_lines) * 4, __func__);
+
+ copy_v3_v3(psel->preview_tris[0][0], e_pair[0]->v1->co);
+ copy_v3_v3(psel->preview_tris[0][1], e_pair[0]->v2->co);
+ copy_v3_v3(psel->preview_tris[0][2], center);
+
+ copy_v3_v3(psel->preview_tris[1][0], e_pair[1]->v1->co);
+ copy_v3_v3(psel->preview_tris[1][1], e_pair[1]->v2->co);
+ copy_v3_v3(psel->preview_tris[1][2], center);
+
+ copy_v3_v3(psel->preview_lines[0][0], e_pair[0]->v1->co);
+ copy_v3_v3(psel->preview_lines[0][1], e_pair[0]->v2->co);
+
+ copy_v3_v3(psel->preview_lines[1][0], e_pair[1]->v1->co);
+ copy_v3_v3(psel->preview_lines[1][1], e_pair[1]->v2->co);
+
+ copy_v3_v3(psel->preview_lines[2][0], center);
+ if (e_pair[0]->v1 == v_act) {
+ copy_v3_v3(psel->preview_lines[2][1], e_pair[0]->v2->co);
+ }
+ else {
+ copy_v3_v3(psel->preview_lines[2][1], e_pair[0]->v1->co);
+ }
+
+ copy_v3_v3(psel->preview_lines[3][0], center);
+ if (e_pair[1]->v1 == v_act) {
+ copy_v3_v3(psel->preview_lines[3][1], e_pair[1]->v2->co);
+ }
+ else {
+ copy_v3_v3(psel->preview_lines[3][1], e_pair[1]->v1->co);
+ }
+ psel->preview_tris_len = 2;
+ psel->preview_lines_len = 4;
+ }
+}
+
+static void view3d_preselect_update_preview_triangle_from_face(struct EditMesh_PreSelElem *psel,
+ ViewContext *UNUSED(vc),
+ BMesh *UNUSED(bm),
+ BMFace *efa,
+ const int UNUSED(mval[2]))
+{
+ float(*preview_lines)[2][3] = MEM_mallocN(sizeof(*psel->edges) * efa->len, __func__);
+ BMLoop *l_iter, *l_first;
+ l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
+ int i = 0;
+ do {
+ vcos_get_pair(&l_iter->e->v1, preview_lines[i++], NULL);
+ } while ((l_iter = l_iter->next) != l_first);
+ psel->preview_lines = preview_lines;
+ psel->preview_lines_len = efa->len;
+}
+
+static void view3d_preselect_update_preview_triangle_from_edge(struct EditMesh_PreSelElem *psel,
+ ViewContext *vc,
+ BMesh *UNUSED(bm),
+ BMEdge *eed,
+ const int mval[2])
+{
+ float center[3];
+ psel->preview_tris = MEM_mallocN(sizeof(*psel->preview_tris), __func__);
+ psel->preview_lines = MEM_mallocN(sizeof(*psel->preview_lines) * 3, __func__);
+ mid_v3_v3v3(center, eed->v1->co, eed->v2->co);
+ mul_m4_v3(vc->obedit->obmat, center);
+ ED_view3d_win_to_3d_int(vc->v3d, vc->ar, center, mval, center);
+ mul_m4_v3(vc->obedit->imat, center);
+
+ copy_v3_v3(psel->preview_tris[0][0], eed->v1->co);
+ copy_v3_v3(psel->preview_tris[0][1], eed->v2->co);
+ copy_v3_v3(psel->preview_tris[0][2], center);
+
+ copy_v3_v3(psel->preview_lines[0][0], eed->v1->co);
+ copy_v3_v3(psel->preview_lines[0][1], eed->v2->co);
+
+ copy_v3_v3(psel->preview_lines[1][0], eed->v2->co);
+ copy_v3_v3(psel->preview_lines[1][1], center);
+
+ copy_v3_v3(psel->preview_lines[2][0], center);
+ copy_v3_v3(psel->preview_lines[2][1], eed->v1->co);
+ psel->preview_tris_len = 1;
+ psel->preview_lines_len = 3;
+}
+
static void view3d_preselect_mesh_elem_update_from_face(struct EditMesh_PreSelElem *psel,
BMesh *UNUSED(bm),
BMFace *efa,
@@ -209,4 +387,28 @@ void EDBM_preselect_elem_update_from_single(struct EditMesh_PreSelElem *psel,
}
}
+void EDBM_preselect_elem_update_preview(struct EditMesh_PreSelElem *psel,
+ struct ViewContext *vc,
+ struct BMesh *bm,
+ struct BMElem *ele,
+ const int mval[2])
+{
+ EDBM_preselect_preview_clear(psel);
+
+ switch (ele->head.htype) {
+ case BM_VERT:
+ if (EDBM_preselect_action_get(psel) == PRESELECT_ACTION_CREATE) {
+ view3d_preselect_update_preview_triangle_from_vert(psel, vc, bm, (BMVert *)ele, mval);
+ }
+ break;
+ case BM_EDGE:
+ view3d_preselect_update_preview_triangle_from_edge(psel, vc, bm, (BMEdge *)ele, mval);
+ break;
+ case BM_FACE:
+ view3d_preselect_update_preview_triangle_from_face(psel, vc, bm, (BMFace *)ele, mval);
+ break;
+ default:
+ BLI_assert(0);
+ }
+}
/** \} */
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-08 06:18:30 +0300