[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [53285] trunk/blender: initial support for 'occlude background geometry' in weight paint mode.

Campbell Barton ideasman42 at gmail.com
Sun Dec 23 02:54:18 CET 2012


Revision: 53285
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=53285
Author:   campbellbarton
Date:     2012-12-23 01:54:11 +0000 (Sun, 23 Dec 2012)
Log Message:
-----------
initial support for 'occlude background geometry' in weight paint mode.

Only support mouse vertex select at the moment.

Modified Paths:
--------------
    trunk/blender/release/scripts/startup/bl_ui/space_view3d.py
    trunk/blender/source/blender/editors/include/ED_mesh.h
    trunk/blender/source/blender/editors/mesh/editface.c
    trunk/blender/source/blender/editors/mesh/meshtools.c
    trunk/blender/source/blender/editors/sculpt_paint/paint_vertex.c
    trunk/blender/source/blender/editors/space_view3d/drawobject.c
    trunk/blender/source/blender/editors/space_view3d/view3d_select.c

Modified: trunk/blender/release/scripts/startup/bl_ui/space_view3d.py
===================================================================
--- trunk/blender/release/scripts/startup/bl_ui/space_view3d.py	2012-12-23 01:18:35 UTC (rev 53284)
+++ trunk/blender/release/scripts/startup/bl_ui/space_view3d.py	2012-12-23 01:54:11 UTC (rev 53285)
@@ -70,7 +70,8 @@
                 row.prop(toolsettings.particle_edit, "select_mode", text="", expand=True)
 
             # Occlude geometry
-            if view.viewport_shade not in {'BOUNDBOX', 'WIREFRAME'} and (mode == 'PARTICLE_EDIT' or (mode == 'EDIT' and obj.type == 'MESH')):
+            if ((view.viewport_shade not in {'BOUNDBOX', 'WIREFRAME'} and (mode == 'PARTICLE_EDIT' or (mode == 'EDIT' and obj.type == 'MESH'))) or
+                    (mode == 'WEIGHT_PAINT' and obj.data.use_paint_mask_vertex)):
                 row.prop(view, "use_occlude_geometry", text="")
 
             # Proportional editing

Modified: trunk/blender/source/blender/editors/include/ED_mesh.h
===================================================================
--- trunk/blender/source/blender/editors/include/ED_mesh.h	2012-12-23 01:18:35 UTC (rev 53284)
+++ trunk/blender/source/blender/editors/include/ED_mesh.h	2012-12-23 01:54:11 UTC (rev 53285)
@@ -291,9 +291,9 @@
 struct BMVert *editbmesh_get_x_mirror_vert(struct Object *ob, struct BMEditMesh *em, struct BMVert *eve, const float co[3], int index);
 int           *mesh_get_x_mirror_faces(struct Object *ob, struct BMEditMesh *em);
 
-int ED_mesh_pick_vert(struct bContext *C, struct Mesh *me, const int mval[2], unsigned int *index, int size);
-int ED_mesh_pick_face(struct bContext *C, struct Mesh *me, const int mval[2], unsigned int *index, int size);
-int ED_mesh_pick_face_vert(struct bContext *C, struct Mesh *me, struct Object *ob, const int mval[2], unsigned int *index, int size);
+int ED_mesh_pick_vert(struct bContext *C,      struct Object *ob, const int mval[2], unsigned int *index, int size, int use_zbuf);
+int ED_mesh_pick_face(struct bContext *C,      struct Object *ob, const int mval[2], unsigned int *index, int size);
+int ED_mesh_pick_face_vert(struct bContext *C, struct Object *ob, const int mval[2], unsigned int *index, int size);
 
 #define ED_MESH_PICK_DEFAULT_VERT_SIZE 50
 #define ED_MESH_PICK_DEFAULT_FACE_SIZE 3

Modified: trunk/blender/source/blender/editors/mesh/editface.c
===================================================================
--- trunk/blender/source/blender/editors/mesh/editface.c	2012-12-23 01:18:35 UTC (rev 53284)
+++ trunk/blender/source/blender/editors/mesh/editface.c	2012-12-23 01:54:11 UTC (rev 53285)
@@ -477,7 +477,7 @@
 	/* Get the face under the cursor */
 	me = BKE_mesh_from_object(ob);
 
-	if (!ED_mesh_pick_face(C, me, mval, &index, ED_MESH_PICK_DEFAULT_FACE_SIZE))
+	if (!ED_mesh_pick_face(C, ob, mval, &index, ED_MESH_PICK_DEFAULT_FACE_SIZE))
 		return 0;
 	
 	if (index >= me->totpoly)

Modified: trunk/blender/source/blender/editors/mesh/meshtools.c
===================================================================
--- trunk/blender/source/blender/editors/mesh/meshtools.c	2012-12-23 01:18:35 UTC (rev 53284)
+++ trunk/blender/source/blender/editors/mesh/meshtools.c	2012-12-23 01:54:11 UTC (rev 53285)
@@ -1165,10 +1165,13 @@
  *
  * \return boolean TRUE == Found
  */
-int ED_mesh_pick_face(bContext *C, Mesh *me, const int mval[2], unsigned int *index, int size)
+int ED_mesh_pick_face(bContext *C, Object *ob, const int mval[2], unsigned int *index, int size)
 {
 	ViewContext vc;
+	Mesh *me = ob->data;
 
+	BLI_assert(me && GS(me->id.name) == ID_ME);
+
 	if (!me || me->totpoly == 0)
 		return 0;
 
@@ -1197,11 +1200,14 @@
  * Use when the back buffer stores face index values. but we want a vert.
  * This gets the face then finds the closest vertex to mval.
  */
-int ED_mesh_pick_face_vert(bContext *C, Mesh *me, Object *ob, const int mval[2], unsigned int *index, int size)
+int ED_mesh_pick_face_vert(bContext *C, Object *ob, const int mval[2], unsigned int *index, int size)
 {
 	unsigned int poly_index;
+	Mesh *me = ob->data;
 
-	if (ED_mesh_pick_face(C, me, mval, &poly_index, size)) {
+	BLI_assert(me && GS(me->id.name) == ID_ME);
+
+	if (ED_mesh_pick_face(C, ob, mval, &poly_index, size)) {
 		Scene *scene = CTX_data_scene(C);
 		struct ARegion *ar = CTX_wm_region(C);
 
@@ -1250,31 +1256,77 @@
  *
  * \return boolean TRUE == Found
  */
-int ED_mesh_pick_vert(bContext *C, Mesh *me, const int mval[2], unsigned int *index, int size)
+int ED_mesh_pick_vert(bContext *C, Object *ob, const int mval[2], unsigned int *index, int size, int use_zbuf)
 {
 	ViewContext vc;
+	Mesh *me = ob->data;
 
+	BLI_assert(me && GS(me->id.name) == ID_ME);
+
 	if (!me || me->totvert == 0)
 		return 0;
 
 	view3d_set_viewcontext(C, &vc);
 
-	if (size > 0) {
-		/* sample rect to increase chances of selecting, so that when clicking
-		 * on an face in the backbuf, we can still select a vert */
+	if (use_zbuf) {
+		if (size > 0) {
+			/* sample rect to increase chances of selecting, so that when clicking
+			 * on an face in the backbuf, we can still select a vert */
 
-		float dummy_dist;
-		*index = view3d_sample_backbuf_rect(&vc, mval, size, 1, me->totvert + 1, &dummy_dist, 0, NULL, NULL);
+			float dummy_dist;
+			*index = view3d_sample_backbuf_rect(&vc, mval, size, 1, me->totvert + 1, &dummy_dist, 0, NULL, NULL);
+		}
+		else {
+			/* sample only on the exact position */
+			*index = view3d_sample_backbuf(&vc, mval[0], mval[1]);
+		}
+
+		if ((*index) <= 0 || (*index) > (unsigned int)me->totvert)
+			return 0;
+
+		(*index)--;
 	}
 	else {
-		/* sample only on the exact position */
-		*index = view3d_sample_backbuf(&vc, mval[0], mval[1]);
-	}
+		/* derived mesh to find deformed locations */
+		DerivedMesh *dm = mesh_get_derived_final(vc.scene, ob, CD_MASK_BAREMESH);
+		struct ARegion *ar = vc.ar;
 
-	if ((*index) <= 0 || (*index) > (unsigned int)me->totvert)
-		return 0;
+		int v_idx_best = -1;
+		int v_idx;
 
-	(*index)--;
 
+		if (dm == NULL) {
+			return 0;
+		}
+
+		if (dm->getVertCo) {
+			/* find the vert closest to 'mval' */
+			const float mval_f[2] = {(float)mval[0],
+			                         (float)mval[1]};
+			float len_best = FLT_MAX;
+
+			v_idx = me->totvert - 1;
+			do {
+				float co[3], sco[2], len;
+				dm->getVertCo(dm, v_idx, co);
+				mul_m4_v3(ob->obmat, co);
+				if (ED_view3d_project_float_global(ar, co, sco, V3D_PROJ_TEST_NOP) == V3D_PROJ_RET_OK) {
+					len = len_squared_v2v2(mval_f, sco);
+					if (len < len_best) {
+						len_best = len;
+						v_idx_best = v_idx;
+					}
+				}
+			} while (v_idx--);
+		}
+
+		dm->release(dm);
+
+		if (v_idx_best != -1) {
+			*index = v_idx_best;
+			return 1;
+		}
+	}
+
 	return 1;
 }

Modified: trunk/blender/source/blender/editors/sculpt_paint/paint_vertex.c
===================================================================
--- trunk/blender/source/blender/editors/sculpt_paint/paint_vertex.c	2012-12-23 01:18:35 UTC (rev 53284)
+++ trunk/blender/source/blender/editors/sculpt_paint/paint_vertex.c	2012-12-23 01:54:11 UTC (rev 53285)
@@ -1037,15 +1037,15 @@
 		view3d_operator_needs_opengl(C);
 
 		if (use_vert_sel) {
-			if (ED_mesh_pick_vert(C, me, event->mval, &index, ED_MESH_PICK_DEFAULT_VERT_SIZE)) {
+			if (ED_mesh_pick_vert(C, vc.obact, event->mval, &index, ED_MESH_PICK_DEFAULT_VERT_SIZE, TRUE)) {
 				v_idx_best = index;
 			}
 		}
 		else {
-			if (ED_mesh_pick_face_vert(C, me, vc.obact, event->mval, &index, ED_MESH_PICK_DEFAULT_FACE_SIZE)) {
+			if (ED_mesh_pick_face_vert(C, vc.obact, event->mval, &index, ED_MESH_PICK_DEFAULT_FACE_SIZE)) {
 				v_idx_best = index;
 			}
-			else if (ED_mesh_pick_face(C, me, event->mval, &index, ED_MESH_PICK_DEFAULT_FACE_SIZE)) {
+			else if (ED_mesh_pick_face(C, vc.obact, event->mval, &index, ED_MESH_PICK_DEFAULT_FACE_SIZE)) {
 				/* this relies on knowning the internal worksings of ED_mesh_pick_face_vert() */
 				BKE_report(op->reports, RPT_WARNING, "The modifier used does not support deformed locations");
 			}
@@ -1126,13 +1126,13 @@
 				view3d_operator_needs_opengl(C);
 
 				if (use_vert_sel) {
-					if (ED_mesh_pick_vert(C, me, mval, &index, ED_MESH_PICK_DEFAULT_VERT_SIZE)) {
+					if (ED_mesh_pick_vert(C, vc.obact, mval, &index, ED_MESH_PICK_DEFAULT_VERT_SIZE, TRUE)) {
 						MDeformVert *dvert = &me->dvert[index];
 						found |= weight_paint_sample_enum_itemf__helper(dvert, defbase_tot, groups);
 					}
 				}
 				else {
-					if (ED_mesh_pick_face(C, me, mval, &index, ED_MESH_PICK_DEFAULT_FACE_SIZE)) {
+					if (ED_mesh_pick_face(C, vc.obact, mval, &index, ED_MESH_PICK_DEFAULT_FACE_SIZE)) {
 						MPoly *mp = &me->mpoly[index];
 						unsigned int fidx = mp->totloop - 1;
 

Modified: trunk/blender/source/blender/editors/space_view3d/drawobject.c
===================================================================
--- trunk/blender/source/blender/editors/space_view3d/drawobject.c	2012-12-23 01:18:35 UTC (rev 53284)
+++ trunk/blender/source/blender/editors/space_view3d/drawobject.c	2012-12-23 01:54:11 UTC (rev 53285)
@@ -3244,11 +3244,15 @@
 	}
 	
 	if (is_obact && paint_vertsel_test(ob)) {
-		
+		const int use_depth = (v3d->flag & V3D_ZBUF_SELECT);
 		glColor3f(0.0f, 0.0f, 0.0f);
 		glPointSize(UI_GetThemeValuef(TH_VERTEX_SIZE));
-		
+
+		if (!use_depth) glDisable(GL_DEPTH_TEST);
+		else            bglPolygonOffset(rv3d->dist, 1.0);
 		drawSelectedVertices(dm, ob->data);
+		if (!use_depth) glEnable(GL_DEPTH_TEST);
+		else            bglPolygonOffset(rv3d->dist, 0.0);
 		
 		glPointSize(1.0f);
 	}

Modified: trunk/blender/source/blender/editors/space_view3d/view3d_select.c
===================================================================
--- trunk/blender/source/blender/editors/space_view3d/view3d_select.c	2012-12-23 01:18:35 UTC (rev 53284)
+++ trunk/blender/source/blender/editors/space_view3d/view3d_select.c	2012-12-23 01:54:11 UTC (rev 53285)
@@ -2142,11 +2142,14 @@
 /* gets called via generic mouse select operator */
 static int mouse_weight_paint_vertex_select(bContext *C, const int mval[2], short extend, short deselect, short toggle, Object *obact)
 {
+	View3D *v3d = CTX_wm_view3d(C);
+	const int use_zbuf = (v3d->flag & V3D_ZBUF_SELECT);
+
 	Mesh *me = obact->data; /* already checked for NULL */
 	unsigned int index = 0;
 	MVert *mv;
 
-	if (ED_mesh_pick_vert(C, me, mval, &index, ED_MESH_PICK_DEFAULT_VERT_SIZE)) {

@@ Diff output truncated at 10240 characters. @@



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