[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [25391] trunk/blender: solidify from 2.4x (ported from python to C)
Campbell Barton
ideasman42 at gmail.com
Tue Dec 15 00:35:14 CET 2009
Revision: 25391
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=25391
Author: campbellbarton
Date: 2009-12-15 00:35:13 +0100 (Tue, 15 Dec 2009)
Log Message:
-----------
solidify from 2.4x (ported from python to C)
- shell_angle_to_dist() was using degrees
Modified Paths:
--------------
trunk/blender/release/scripts/ui/space_view3d.py
trunk/blender/source/blender/blenlib/intern/math_base.c
trunk/blender/source/blender/editors/include/ED_mesh.h
trunk/blender/source/blender/editors/mesh/editmesh_lib.c
trunk/blender/source/blender/editors/mesh/editmesh_mods.c
trunk/blender/source/blender/editors/mesh/mesh_intern.h
trunk/blender/source/blender/editors/mesh/mesh_ops.c
Modified: trunk/blender/release/scripts/ui/space_view3d.py
===================================================================
--- trunk/blender/release/scripts/ui/space_view3d.py 2009-12-14 23:19:59 UTC (rev 25390)
+++ trunk/blender/release/scripts/ui/space_view3d.py 2009-12-14 23:35:13 UTC (rev 25391)
@@ -1202,6 +1202,7 @@
layout.operator("mesh.edge_face_add")
layout.operator("mesh.fill")
layout.operator("mesh.beauty_fill")
+ layout.operator("mesh.solidify")
layout.separator()
Modified: trunk/blender/source/blender/blenlib/intern/math_base.c
===================================================================
--- trunk/blender/source/blender/blenlib/intern/math_base.c 2009-12-14 23:19:59 UTC (rev 25390)
+++ trunk/blender/source/blender/blenlib/intern/math_base.c 2009-12-14 23:35:13 UTC (rev 25391)
@@ -100,7 +100,7 @@
* the distance gets very high, 180d would be inf, but this case isn't valid */
float shell_angle_to_dist(const float angle)
{
- return (angle < SMALL_NUMBER) ? 1.0f : fabsf(1.0f / cosf(angle * (M_PI/180.0f)));
+ return (angle < SMALL_NUMBER) ? 1.0f : fabsf(1.0f / cosf(angle));
}
/* used for zoom values*/
Modified: trunk/blender/source/blender/editors/include/ED_mesh.h
===================================================================
--- trunk/blender/source/blender/editors/include/ED_mesh.h 2009-12-14 23:19:59 UTC (rev 25390)
+++ trunk/blender/source/blender/editors/include/ED_mesh.h 2009-12-14 23:35:13 UTC (rev 25391)
@@ -147,6 +147,9 @@
void EM_add_data_layer(struct EditMesh *em, struct CustomData *data, int type);
void EM_free_data_layer(struct EditMesh *em, struct CustomData *data, int type);
+void EM_make_hq_normals(struct EditMesh *em);
+void EM_solidify(struct EditMesh *em, float dist);
+
/* editmesh_mods.c */
extern unsigned int em_vertoffs, em_solidoffs, em_wireoffs;
Modified: trunk/blender/source/blender/editors/mesh/editmesh_lib.c
===================================================================
--- trunk/blender/source/blender/editors/mesh/editmesh_lib.c 2009-12-14 23:19:59 UTC (rev 25390)
+++ trunk/blender/source/blender/editors/mesh/editmesh_lib.c 2009-12-14 23:35:13 UTC (rev 25391)
@@ -49,6 +49,7 @@
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_editVert.h"
+#include "BLI_edgehash.h"
#include "BKE_customdata.h"
#include "BKE_context.h"
@@ -2287,3 +2288,149 @@
return 1;
return 0;
}
+
+/* higher quality normals */
+
+/* NormalCalc */
+/* NormalCalc modifier: calculates higher quality normals
+*/
+
+/* each edge uses this to */
+typedef struct EdgeFaceRef {
+ int f1; /* init as -1 */
+ int f2;
+} EdgeFaceRef;
+
+void EM_make_hq_normals(EditMesh *em)
+{
+ EditFace *efa;
+ EditVert *eve;
+ int i;
+
+ EdgeHash *edge_hash = BLI_edgehash_new();
+ EdgeHashIterator *edge_iter;
+ int edge_ref_count = 0;
+ int ed_v1, ed_v2; /* use when getting the key */
+ EdgeFaceRef *edge_ref_array = MEM_callocN(em->totedge * sizeof(EdgeFaceRef), "Edge Connectivity");
+ EdgeFaceRef *edge_ref;
+ float edge_normal[3];
+
+ EM_init_index_arrays(em, 1, 1, 1);
+
+ for(eve= em->verts.first, i=0; eve; eve= eve->next, i++) {
+ zero_v3(eve->no);
+ eve->tmp.l= i;
+ }
+
+ /* This function adds an edge hash if its not there, and adds the face index */
+#define NOCALC_EDGEWEIGHT_ADD_EDGEREF_FACE(EDV1, EDV2); \
+ edge_ref = (EdgeFaceRef *)BLI_edgehash_lookup(edge_hash, EDV1, EDV2); \
+ if (!edge_ref) { \
+ edge_ref = &edge_ref_array[edge_ref_count]; edge_ref_count++; \
+ edge_ref->f1=i; \
+ edge_ref->f2=-1; \
+ BLI_edgehash_insert(edge_hash, EDV1, EDV2, edge_ref); \
+ } else { \
+ edge_ref->f2=i; \
+ }
+
+
+ efa= em->faces.first;
+ for(i = 0; i < em->totface; i++, efa= efa->next) {
+ if(efa->v4) {
+ NOCALC_EDGEWEIGHT_ADD_EDGEREF_FACE(efa->v1->tmp.l, efa->v2->tmp.l);
+ NOCALC_EDGEWEIGHT_ADD_EDGEREF_FACE(efa->v2->tmp.l, efa->v3->tmp.l);
+ NOCALC_EDGEWEIGHT_ADD_EDGEREF_FACE(efa->v3->tmp.l, efa->v4->tmp.l);
+ NOCALC_EDGEWEIGHT_ADD_EDGEREF_FACE(efa->v4->tmp.l, efa->v1->tmp.l);
+ } else {
+ NOCALC_EDGEWEIGHT_ADD_EDGEREF_FACE(efa->v1->tmp.l, efa->v2->tmp.l);
+ NOCALC_EDGEWEIGHT_ADD_EDGEREF_FACE(efa->v2->tmp.l, efa->v3->tmp.l);
+ NOCALC_EDGEWEIGHT_ADD_EDGEREF_FACE(efa->v3->tmp.l, efa->v1->tmp.l);
+ }
+ }
+
+#undef NOCALC_EDGEWEIGHT_ADD_EDGEREF_FACE
+
+
+ for(edge_iter = BLI_edgehashIterator_new(edge_hash); !BLI_edgehashIterator_isDone(edge_iter); BLI_edgehashIterator_step(edge_iter)) {
+ /* Get the edge vert indicies, and edge value (the face indicies that use it)*/
+ BLI_edgehashIterator_getKey(edge_iter, (int*)&ed_v1, (int*)&ed_v2);
+ edge_ref = BLI_edgehashIterator_getValue(edge_iter);
+
+ if (edge_ref->f2 != -1) {
+ /* We have 2 faces using this edge, calculate the edges normal
+ * using the angle between the 2 faces as a weighting */
+ add_v3_v3v3(edge_normal, EM_get_face_for_index(edge_ref->f1)->n, EM_get_face_for_index(edge_ref->f2)->n);
+ normalize_v3(edge_normal);
+ mul_v3_fl(edge_normal, angle_normalized_v3v3(EM_get_face_for_index(edge_ref->f1)->n, EM_get_face_for_index(edge_ref->f2)->n));
+ } else {
+ /* only one face attached to that edge */
+ /* an edge without another attached- the weight on this is
+ * undefined, M_PI/2 is 90d in radians and that seems good enough */
+ VECCOPY(edge_normal, EM_get_face_for_index(edge_ref->f1)->n)
+ mul_v3_fl(edge_normal, M_PI/2);
+ }
+ add_v3_v3(EM_get_vert_for_index(ed_v1)->no, edge_normal );
+ add_v3_v3(EM_get_vert_for_index(ed_v2)->no, edge_normal );
+
+
+ }
+ BLI_edgehashIterator_free(edge_iter);
+ BLI_edgehash_free(edge_hash, NULL);
+ MEM_freeN(edge_ref_array);
+
+ /* normalize vertex normals and assign */
+ for(eve= em->verts.first; eve; eve= eve->next)
+ normalize_v3(eve->no);
+
+ EM_free_index_arrays();
+}
+
+#define FLT_EPSILON 0.00001
+void EM_solidify(EditMesh *em, float dist)
+{
+ EditFace *efa;
+ EditVert *eve;
+ int *vert_users= MEM_callocN(sizeof(int) * em->totvert, "EM_offset");
+ float *vert_angles= MEM_callocN(sizeof(float) * em->totvert, "EM_offset");
+ float angle;
+ int i;
+
+ for(eve= em->verts.first, i=0; eve; eve= eve->next, i++) {
+ eve->tmp.l= i;
+ }
+
+ efa= em->faces.first;
+ for(i = 0; i < em->totface; i++, efa= efa->next) {
+
+ if(!(efa->f & SELECT))
+ continue;
+
+ angle= angle_normalized_v3v3(efa->v1->no, efa->n);
+ vert_angles[efa->v1->tmp.l]+= shell_angle_to_dist(angle);
+ vert_users[efa->v1->tmp.l]++;
+
+ angle= angle_normalized_v3v3(efa->v2->no, efa->n);
+ vert_angles[efa->v2->tmp.l]+= shell_angle_to_dist(angle);
+ vert_users[efa->v2->tmp.l]++;
+
+ angle= angle_normalized_v3v3(efa->v3->no, efa->n);
+ vert_angles[efa->v3->tmp.l]+= shell_angle_to_dist(angle);
+ vert_users[efa->v3->tmp.l]++;
+
+ if(efa->v4) {
+ angle= angle_normalized_v3v3(efa->v4->no, efa->n);
+ vert_angles[efa->v4->tmp.l]+= shell_angle_to_dist(angle);
+ vert_users[efa->v4->tmp.l]++;
+ }
+ }
+
+ for(eve= em->verts.first, i=0; eve; eve= eve->next, i++) {
+ if(vert_users[i]) { /* zero if unselected */
+ madd_v3_v3fl(eve->co, eve->no, dist * (vert_angles[i] / (float)vert_users[i]));
+ }
+ }
+
+ MEM_freeN(vert_users);
+ MEM_freeN(vert_angles);
+}
Modified: trunk/blender/source/blender/editors/mesh/editmesh_mods.c
===================================================================
--- trunk/blender/source/blender/editors/mesh/editmesh_mods.c 2009-12-14 23:19:59 UTC (rev 25390)
+++ trunk/blender/source/blender/editors/mesh/editmesh_mods.c 2009-12-14 23:35:13 UTC (rev 25391)
@@ -4542,3 +4542,46 @@
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
+
+static int solidify_exec(bContext *C, wmOperator *op)
+{
+ Scene *scene= CTX_data_scene(C);
+ Object *obedit= CTX_data_edit_object(C);
+ EditMesh *em= BKE_mesh_get_editmesh(((Mesh *)obedit->data));
+ float nor[3] = {0,0,1};
+
+ float thickness= RNA_float_get(op->ptr, "thickness");
+
+ extrudeflag(obedit, em, SELECT, nor);
+ EM_make_hq_normals(em);
+ EM_solidify(em, thickness);
+
+
+ /* update vertex normals too */
+ recalc_editnormals(em);
+
+ BKE_mesh_end_editmesh(obedit->data, em);
+
+ DAG_id_flush_update(obedit->data, OB_RECALC_DATA);
+ WM_event_add_notifier(C, NC_GEOM|ND_DATA, obedit->data);
+
+ return OPERATOR_FINISHED;
+}
+
+
+void MESH_OT_solidify(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name= "Solidify";
+ ot->description= "Make the mesh solid.";
+ ot->idname= "MESH_OT_solidify";
+
+ /* api callbacks */
+ ot->exec= solidify_exec;
+ ot->poll= ED_operator_editmesh;
+
+ /* flags */
+ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
+
+ RNA_def_float(ot->srna, "thickness", 0.1f, -FLT_MAX, FLT_MAX, "thickness", "", -10.0f, 10.0f);
+}
Modified: trunk/blender/source/blender/editors/mesh/mesh_intern.h
===================================================================
--- trunk/blender/source/blender/editors/mesh/mesh_intern.h 2009-12-14 23:19:59 UTC (rev 25390)
+++ trunk/blender/source/blender/editors/mesh/mesh_intern.h 2009-12-14 23:35:13 UTC (rev 25391)
@@ -164,7 +164,9 @@
void MESH_OT_mark_sharp(struct wmOperatorType *ot);
void MESH_OT_vertices_smooth(struct wmOperatorType *ot);
void MESH_OT_flip_normals(struct wmOperatorType *ot);
+void MESH_OT_solidify(struct wmOperatorType *ot);
+
extern EditEdge *findnearestedge(ViewContext *vc, int *dist);
extern void EM_automerge(Scene *scene, Object *obedit, int update);
void editmesh_select_by_material(EditMesh *em, int index);
Modified: trunk/blender/source/blender/editors/mesh/mesh_ops.c
===================================================================
--- trunk/blender/source/blender/editors/mesh/mesh_ops.c 2009-12-14 23:19:59 UTC (rev 25390)
+++ trunk/blender/source/blender/editors/mesh/mesh_ops.c 2009-12-14 23:35:13 UTC (rev 25391)
@@ -151,6 +151,8 @@
WM_operatortype_append(MESH_OT_edgering_select);
WM_operatortype_append(MESH_OT_loopcut);
+
+ WM_operatortype_append(MESH_OT_solidify);
}
int ED_operator_editmesh_face_select(bContext *C)
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