[Bf-blender-cvs] [ba9561ab0de] soc-2021-porting-modifiers-to-nodes-extrude: Geometry Nodes: Extrude

Fabian Schempp noreply at git.blender.org
Thu Aug 5 23:50:32 CEST 2021


Commit: ba9561ab0de6c0b387b1082a7657b2d83d4481c1
Author: Fabian Schempp
Date:   Mon Aug 2 19:02:38 2021 +0200
Branches: soc-2021-porting-modifiers-to-nodes-extrude
https://developer.blender.org/rBba9561ab0de6c0b387b1082a7657b2d83d4481c1

Geometry Nodes: Extrude

Differential Revision: https://developer.blender.org/D12108

===================================================================

M	release/scripts/startup/nodeitems_builtins.py
M	source/blender/blenkernel/BKE_node.h
M	source/blender/blenkernel/intern/node.cc
M	source/blender/bmesh/intern/bmesh_mesh.c
M	source/blender/bmesh/intern/bmesh_mesh.h
M	source/blender/nodes/CMakeLists.txt
M	source/blender/nodes/NOD_geometry.h
M	source/blender/nodes/NOD_static_types.h
A	source/blender/nodes/geometry/nodes/node_geo_extrude.cc

===================================================================

diff --git a/release/scripts/startup/nodeitems_builtins.py b/release/scripts/startup/nodeitems_builtins.py
index 09820291222..1d3daf01e86 100644
--- a/release/scripts/startup/nodeitems_builtins.py
+++ b/release/scripts/startup/nodeitems_builtins.py
@@ -551,6 +551,7 @@ geometry_node_categories = [
         NodeItem("GeometryNodeEdgeSplit"),
         NodeItem("GeometryNodeSubdivisionSurface"),
         NodeItem("GeometryNodeMeshSubdivide"),
+        NodeItem("GeometryNodeExtrude"),
     ]),
     GeometryNodeCategory("GEO_PRIMITIVES_MESH", "Mesh Primitives", items=[
         NodeItem("GeometryNodeMeshCircle"),
diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index cecb3118038..7dd4b6ab85b 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -1466,6 +1466,7 @@ int ntreeTexExecTree(struct bNodeTree *ntree,
 #define GEO_NODE_CURVE_PRIMITIVE_QUADRILATERAL 1070
 #define GEO_NODE_CURVE_TRIM 1071
 #define GEO_NODE_CURVE_SET_HANDLES 1072
+#define GEO_NODE_EXTRUDE 1073
 
 /** \} */
 
diff --git a/source/blender/blenkernel/intern/node.cc b/source/blender/blenkernel/intern/node.cc
index 9888e23a7bd..aa92fede3a5 100644
--- a/source/blender/blenkernel/intern/node.cc
+++ b/source/blender/blenkernel/intern/node.cc
@@ -5155,6 +5155,7 @@ static void registerGeometryNodes()
   register_node_type_geo_curve_trim();
   register_node_type_geo_delete_geometry();
   register_node_type_geo_edge_split();
+  register_node_type_geo_extrude();
   register_node_type_geo_input_material();
   register_node_type_geo_is_viewport();
   register_node_type_geo_join_geometry();
diff --git a/source/blender/bmesh/intern/bmesh_mesh.c b/source/blender/bmesh/intern/bmesh_mesh.c
index b2958a9e744..ad8158e2e6f 100644
--- a/source/blender/bmesh/intern/bmesh_mesh.c
+++ b/source/blender/bmesh/intern/bmesh_mesh.c
@@ -1446,4 +1446,114 @@ void BM_mesh_vert_coords_apply_with_mat4(BMesh *bm,
   }
 }
 
+/**
+* Use to select  bmesh vertex data based on an array of bool.
+*/
+void BM_select_vertices(BMesh *bm, const bool *mask)
+{
+  BMIter iter;
+  BMVert *v;
+  int i = 0;
+  BM_ITER_MESH (v, &iter, bm, BM_VERTS_OF_MESH) {
+    if (mask[i]) {
+      BM_elem_flag_set(v, BM_ELEM_SELECT, true);
+    }
+    else {
+      BM_elem_flag_set(v, BM_ELEM_SELECT, false);
+    }
+    i++;
+  }
+}
+
+/**
+ * Use to select bmesh edge data based on an array of bool.
+ */
+void BM_select_edges(BMesh *bm, const bool *mask)
+{
+  BMIter iter;
+  BMEdge *e;
+  int i = 0;
+  BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
+    if (mask[i]) {
+      BM_elem_flag_set(e, BM_ELEM_SELECT, true);
+    }
+    else {
+      BM_elem_flag_set(e, BM_ELEM_SELECT, false);
+    }
+    i++;
+  }
+}
+
+/**
+ * Use to select bmesh face data based on an array of bool.
+ */
+void BM_select_faces(BMesh *bm, const bool *mask)
+{
+  BMIter iter;
+  BMFace *f;
+  int i = 0;
+  BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
+    if (mask[i]) {
+      BM_elem_flag_set(f, BM_ELEM_SELECT, true);
+    }
+    else {
+      BM_elem_flag_set(f, BM_ELEM_SELECT, false);
+    }
+    i++;
+  }
+}
+
+void BM_tag_vertices(BMesh *bm, const bool *mask)
+{
+  BMIter iter;
+  BMVert *v;
+  int i = 0;
+  BM_ITER_MESH (v, &iter, bm, BM_VERTS_OF_MESH) {
+    if (mask[i]) {
+      BM_elem_flag_set(v, BM_ELEM_TAG, true);
+    }
+    else {
+      BM_elem_flag_set(v, BM_ELEM_TAG, false);
+    }
+    i++;
+  }
+}
+
+/**
+ * Use to temporary tag bmesh edge data based on an array of bool.
+ */
+void BM_tag_edges(BMesh *bm, const bool *mask)
+{
+  BMIter iter;
+  BMEdge *e;
+  int i = 0;
+  BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
+    if (mask[i]) {
+      BM_elem_flag_set(e, BM_ELEM_TAG, true);
+    }
+    else {
+      BM_elem_flag_set(e, BM_ELEM_TAG, false);
+    }
+    i++;
+  }
+}
+
+/**
+ * Use to temporary tag bmesh face data based on an array of bool.
+ */
+void BM_tag_faces(BMesh *bm, const bool *mask)
+{
+  BMIter iter;
+  BMFace *f;
+  int i = 0;
+  BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
+    if (mask[i]) {
+      BM_elem_flag_set(f, BM_ELEM_TAG, true);
+    }
+    else {
+      BM_elem_flag_set(f, BM_ELEM_TAG, false);
+    }
+    i++;
+  }
+}
 /** \} */
diff --git a/source/blender/bmesh/intern/bmesh_mesh.h b/source/blender/bmesh/intern/bmesh_mesh.h
index bd0504b038a..eb7dcaac046 100644
--- a/source/blender/bmesh/intern/bmesh_mesh.h
+++ b/source/blender/bmesh/intern/bmesh_mesh.h
@@ -134,3 +134,10 @@ void BM_mesh_vert_coords_apply(BMesh *bm, const float (*vert_coords)[3]);
 void BM_mesh_vert_coords_apply_with_mat4(BMesh *bm,
                                          const float (*vert_coords)[3],
                                          const float mat[4][4]);
+
+void BM_select_vertices(BMesh *bm, const bool *mask);
+void BM_select_edges(BMesh *bm, const bool *mask);
+void BM_select_faces(BMesh *bm, const bool *mask);
+void BM_tag_vertices(BMesh *bm, const bool *mask);
+void BM_tag_edges(BMesh *bm, const bool *mask);
+void BM_tag_faces(BMesh *bm, const bool *mask);
\ No newline at end of file
diff --git a/source/blender/nodes/CMakeLists.txt b/source/blender/nodes/CMakeLists.txt
index 36e5be6a292..6adb25ccc01 100644
--- a/source/blender/nodes/CMakeLists.txt
+++ b/source/blender/nodes/CMakeLists.txt
@@ -182,6 +182,7 @@ set(SRC
   geometry/nodes/node_geo_curve_trim.cc
   geometry/nodes/node_geo_delete_geometry.cc
   geometry/nodes/node_geo_edge_split.cc
+  geometry/nodes/node_geo_extrude.cc
   geometry/nodes/node_geo_input_material.cc
   geometry/nodes/node_geo_is_viewport.cc
   geometry/nodes/node_geo_join_geometry.cc
diff --git a/source/blender/nodes/NOD_geometry.h b/source/blender/nodes/NOD_geometry.h
index 868fcbb33af..cc458e6bece 100644
--- a/source/blender/nodes/NOD_geometry.h
+++ b/source/blender/nodes/NOD_geometry.h
@@ -69,6 +69,7 @@ void register_node_type_geo_curve_to_points(void);
 void register_node_type_geo_curve_trim(void);
 void register_node_type_geo_delete_geometry(void);
 void register_node_type_geo_edge_split(void);
+void register_node_type_geo_extrude(void);
 void register_node_type_geo_input_material(void);
 void register_node_type_geo_is_viewport(void);
 void register_node_type_geo_join_geometry(void);
diff --git a/source/blender/nodes/NOD_static_types.h b/source/blender/nodes/NOD_static_types.h
index 1298acf475d..103c7297e19 100644
--- a/source/blender/nodes/NOD_static_types.h
+++ b/source/blender/nodes/NOD_static_types.h
@@ -309,6 +309,7 @@ DefNode(GeometryNode, GEO_NODE_CURVE_TO_POINTS, def_geo_curve_to_points, "CURVE_
 DefNode(GeometryNode, GEO_NODE_CURVE_ENDPOINTS, 0, "CURVE_ENDPOINTS", CurveEndpoints, "Curve Endpoints", "")
 DefNode(GeometryNode, GEO_NODE_DELETE_GEOMETRY, 0, "DELETE_GEOMETRY", DeleteGeometry, "Delete Geometry", "")
 DefNode(GeometryNode, GEO_NODE_EDGE_SPLIT, 0, "EDGE_SPLIT", EdgeSplit, "Edge Split", "")
+DefNode(GeometryNode, GEO_NODE_EXTRUDE, 0, "EXTRUDE", Extrude, "Extrude", "")
 DefNode(GeometryNode, GEO_NODE_INPUT_MATERIAL, def_geo_input_material, "INPUT_MATERIAL", InputMaterial, "Material", "")
 DefNode(GeometryNode, GEO_NODE_IS_VIEWPORT, 0, "IS_VIEWPORT", IsViewport, "Is Viewport", "")
 DefNode(GeometryNode, GEO_NODE_JOIN_GEOMETRY, 0, "JOIN_GEOMETRY", JoinGeometry, "Join Geometry", "")
diff --git a/source/blender/nodes/geometry/nodes/node_geo_extrude.cc b/source/blender/nodes/geometry/nodes/node_geo_extrude.cc
new file mode 100644
index 00000000000..88f9c3aa7ca
--- /dev/null
+++ b/source/blender/nodes/geometry/nodes/node_geo_extrude.cc
@@ -0,0 +1,106 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "DNA_mesh_types.h"
+#include "DNA_meshdata_types.h"
+
+#include "UI_interface.h"
+
+#include "BKE_mesh.h"
+
+#include "bmesh.h"
+#include "bmesh_tools.h"
+
+#include "node_geometry_util.hh"
+
+static bNodeSocketTemplate geo_node_extrude_in[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {SOCK_FLOAT, N_("Distance"), 0.0f, 0, 0, 0, FLT_MIN, FLT_MAX, PROP_DISTANCE},
+    {SOCK_FLOAT, N_("Inset"), 0.0f, 0, 0, 0, FLT_MIN, FLT_MAX,PROP_DISTANCE},
+    {SOCK_BOOLEAN, N_("Individual")},
+    {SOCK_STRING, N_("Selection")},
+    {-1, ""},
+};
+
+static bNodeSocketTemplate geo_node_extrude_out[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {-1, ""},
+};
+
+using blender::Span;
+
+static Mesh *extrude_mesh(const Mesh *mesh, const Span<bool> selection, const float distance, const float inset, const bool inset_individual_faces )
+{
+  const BMeshCreateParams bmesh_create_params = {true};
+  const BMeshFromMeshParams bmesh_from_mesh_params = {
+      true, 0, 0, 0, {CD_MASK_ORIGINDEX, CD_MASK_ORIGINDEX, CD_MASK_ORIGINDEX}};
+
+  BMesh *bm = BKE_mesh_to_bmesh_ex(mesh, &bmesh_create_params, &bmesh_from_mesh_params);
+
+  BM_select_faces(bm, selection.data());
+  BMOperator op;
+  if(inset_individual_faces){
+    BMO_op_initf(bm, &op, 0, "inset_individual faces=%hf use_even_offset=%b thickness=%f depth=%f", BM_ELEM_SELECT, true, inset, distance);
+  }else{
+    BMO_op_initf(bm, &op, 0, "inset_region faces=%hf use_boundary=%b use_even_offset=%b thickness=%f depth=%f", BM_ELEM_SELECT,true , true, inset, distance);
+  }
+  BMO_op_exec(bm, &op);
+
+  CustomData_MeshMasks cd_mask_extra = {
+      .vmask = CD_MASK_ORIGINDEX, .emask = CD_MASK_ORIGINDEX, .pmask = CD_MASK_ORIGINDEX};
+
+  Mesh *result = BKE_mesh_from_bmesh_for_eval_nomain(bm, &cd_mask_extra, mesh);
+  BM_mesh_free(bm);
+
+  result->runtime.cd_dirty_vert |= CD_MASK_NORMAL;
+
+  return result;
+}
+
+namespace blender::nodes {
+static void geo_node_extrude_exec(GeoNodeExecParams params)

@@ Diff output truncated at 10240 characters. @@



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