[Bf-blender-cvs] [ff7a557c670] master: Geometry Nodes: new Points to Volume node

Jacques Lucke noreply at git.blender.org
Tue Jan 26 17:42:59 CET 2021


Commit: ff7a557c67096fc8de870e5fb43caa17b649c538
Author: Jacques Lucke
Date:   Tue Jan 26 17:37:58 2021 +0100
Branches: master
https://developer.blender.org/rBff7a557c67096fc8de870e5fb43caa17b649c538

Geometry Nodes: new Points to Volume node

This implements a new geometry node based on T84606.
It is the first node that generates a `VolumeComponent`.

Differential Revision: https://developer.blender.org/D10169

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

M	release/scripts/startup/nodeitems_builtins.py
M	source/blender/blenkernel/BKE_node.h
M	source/blender/blenkernel/intern/node.c
M	source/blender/editors/space_node/drawnode.c
M	source/blender/makesdna/DNA_node_types.h
M	source/blender/makesrna/intern/rna_nodetree.c
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_points_to_volume.cc

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

diff --git a/release/scripts/startup/nodeitems_builtins.py b/release/scripts/startup/nodeitems_builtins.py
index 9da261d13f5..56f0b5c0ba4 100644
--- a/release/scripts/startup/nodeitems_builtins.py
+++ b/release/scripts/startup/nodeitems_builtins.py
@@ -521,6 +521,9 @@ geometry_node_categories = [
         NodeItem("GeometryNodeRotatePoints"),
         NodeItem("GeometryNodeAlignRotationToVector"),
     ]),
+    GeometryNodeCategory("GEO_VOLUME", "Volume", items=[
+        NodeItem("GeometryNodePointsToVolume"),
+    ]),
     GeometryNodeCategory("GEO_UTILITIES", "Utilities", items=[
         NodeItem("ShaderNodeMapRange"),
         NodeItem("ShaderNodeClamp"),
diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index fb517b7c1d0..4912d634471 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -1362,6 +1362,7 @@ int ntreeTexExecTree(struct bNodeTree *ntree,
 #define GEO_NODE_POINT_TRANSLATE 1019
 #define GEO_NODE_POINT_SCALE 1020
 #define GEO_NODE_ATTRIBUTE_SAMPLE_TEXTURE 1021
+#define GEO_NODE_POINTS_TO_VOLUME 1022
 
 /** \} */
 
diff --git a/source/blender/blenkernel/intern/node.c b/source/blender/blenkernel/intern/node.c
index f4f0d991f06..247bfafc099 100644
--- a/source/blender/blenkernel/intern/node.c
+++ b/source/blender/blenkernel/intern/node.c
@@ -4750,6 +4750,7 @@ static void registerGeometryNodes(void)
   register_node_type_geo_point_rotate();
   register_node_type_geo_align_rotation_to_vector();
   register_node_type_geo_sample_texture();
+  register_node_type_geo_points_to_volume();
 }
 
 static void registerFunctionNodes(void)
diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c
index afd19df9f14..8f3602c8d50 100644
--- a/source/blender/editors/space_node/drawnode.c
+++ b/source/blender/editors/space_node/drawnode.c
@@ -3297,6 +3297,16 @@ static void node_geometry_buts_attribute_sample_texture(uiLayout *layout,
   uiTemplateID(layout, C, ptr, "texture", "texture.new", NULL, NULL, 0, ICON_NONE, NULL);
 }
 
+static void node_geometry_buts_points_to_volume(uiLayout *layout,
+                                                bContext *UNUSED(C),
+                                                PointerRNA *ptr)
+{
+  uiLayoutSetPropSep(layout, true);
+  uiLayoutSetPropDecorate(layout, false);
+  uiItemR(layout, ptr, "resolution_mode", DEFAULT_FLAGS, IFACE_("Resolution"), ICON_NONE);
+  uiItemR(layout, ptr, "input_type_radius", DEFAULT_FLAGS, IFACE_("Radius"), ICON_NONE);
+}
+
 static void node_geometry_set_butfunc(bNodeType *ntype)
 {
   switch (ntype->type) {
@@ -3354,6 +3364,9 @@ static void node_geometry_set_butfunc(bNodeType *ntype)
     case GEO_NODE_ATTRIBUTE_SAMPLE_TEXTURE:
       ntype->draw_buttons = node_geometry_buts_attribute_sample_texture;
       break;
+    case GEO_NODE_POINTS_TO_VOLUME:
+      ntype->draw_buttons = node_geometry_buts_points_to_volume;
+      break;
   }
 }
 
diff --git a/source/blender/makesdna/DNA_node_types.h b/source/blender/makesdna/DNA_node_types.h
index 4dba856b87b..e26a2861f04 100644
--- a/source/blender/makesdna/DNA_node_types.h
+++ b/source/blender/makesdna/DNA_node_types.h
@@ -1183,6 +1183,15 @@ typedef struct NodeGeometryPointInstance {
   char _pad[6];
 } NodeGeometryPointInstance;
 
+typedef struct NodeGeometryPointsToVolume {
+  /* GeometryNodePointsToVolumeResolutionMode */
+  uint8_t resolution_mode;
+  /* GeometryNodeAttributeInputMode */
+  uint8_t input_type_radius;
+
+  char _pad[6];
+} NodeGeometryPointsToVolume;
+
 /* script node mode */
 #define NODE_SCRIPT_INTERNAL 0
 #define NODE_SCRIPT_EXTERNAL 1
@@ -1633,6 +1642,11 @@ typedef enum GeometryNodeTransformSpace {
   GEO_NODE_TRANSFORM_SPACE_RELATIVE = 1,
 } GeometryNodeTransformSpace;
 
+typedef enum GeometryNodePointsToVolumeResolutionMode {
+  GEO_NODE_POINTS_TO_VOLUME_RESOLUTION_MODE_AMOUNT = 0,
+  GEO_NODE_POINTS_TO_VOLUME_RESOLUTION_MODE_SIZE = 1,
+} GeometryNodePointsToVolumeResolutionMode;
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index 355b1360ab0..db9c774bf9b 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -8889,6 +8889,37 @@ static void def_geo_object_info(StructRNA *srna)
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
 }
 
+static void def_geo_points_to_volume(StructRNA *srna)
+{
+  PropertyRNA *prop;
+
+  static EnumPropertyItem resolution_mode_items[] = {
+      {GEO_NODE_POINTS_TO_VOLUME_RESOLUTION_MODE_AMOUNT,
+       "VOXEL_AMOUNT",
+       0,
+       "Amount",
+       "Specify the approximate number of voxels along the diagonal"},
+      {GEO_NODE_POINTS_TO_VOLUME_RESOLUTION_MODE_SIZE,
+       "VOXEL_SIZE",
+       0,
+       "Size",
+       "Specify the voxel side length"},
+      {0, NULL, 0, NULL, NULL},
+  };
+
+  RNA_def_struct_sdna_from(srna, "NodeGeometryPointsToVolume", "storage");
+
+  prop = RNA_def_property(srna, "resolution_mode", PROP_ENUM, PROP_NONE);
+  RNA_def_property_enum_items(prop, resolution_mode_items);
+  RNA_def_property_ui_text(prop, "Resolution Mode", "How the voxel size is specified");
+  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_socket_update");
+
+  prop = RNA_def_property(srna, "input_type_radius", PROP_ENUM, PROP_NONE);
+  RNA_def_property_enum_items(prop, rna_node_geometry_attribute_input_type_items_float);
+  RNA_def_property_ui_text(prop, "Radius Input Type", "");
+  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_socket_update");
+}
+
 /* -------------------------------------------------------------------------- */
 
 static void rna_def_shader_node(BlenderRNA *brna)
diff --git a/source/blender/nodes/CMakeLists.txt b/source/blender/nodes/CMakeLists.txt
index d796c7c309c..405a8dcbf46 100644
--- a/source/blender/nodes/CMakeLists.txt
+++ b/source/blender/nodes/CMakeLists.txt
@@ -160,6 +160,7 @@ set(SRC
   geometry/nodes/node_geo_point_scale.cc
   geometry/nodes/node_geo_point_separate.cc
   geometry/nodes/node_geo_point_translate.cc
+  geometry/nodes/node_geo_points_to_volume.cc
   geometry/nodes/node_geo_subdivision_surface.cc
   geometry/nodes/node_geo_transform.cc
   geometry/nodes/node_geo_triangulate.cc
diff --git a/source/blender/nodes/NOD_geometry.h b/source/blender/nodes/NOD_geometry.h
index 1b3a8200beb..d78f76e0b52 100644
--- a/source/blender/nodes/NOD_geometry.h
+++ b/source/blender/nodes/NOD_geometry.h
@@ -48,6 +48,7 @@ void register_node_type_geo_attribute_color_ramp(void);
 void register_node_type_geo_point_rotate(void);
 void register_node_type_geo_align_rotation_to_vector(void);
 void register_node_type_geo_sample_texture(void);
+void register_node_type_geo_points_to_volume(void);
 
 #ifdef __cplusplus
 }
diff --git a/source/blender/nodes/NOD_static_types.h b/source/blender/nodes/NOD_static_types.h
index 4c300916357..cc2f6a294f2 100644
--- a/source/blender/nodes/NOD_static_types.h
+++ b/source/blender/nodes/NOD_static_types.h
@@ -290,6 +290,7 @@ DefNode(GeometryNode, GEO_NODE_ALIGN_ROTATION_TO_VECTOR, def_geo_align_rotation_
 DefNode(GeometryNode, GEO_NODE_POINT_SCALE, def_geo_point_scale, "POINT_SCALE", PointScale, "Point Scale", "")
 DefNode(GeometryNode, GEO_NODE_POINT_TRANSLATE, def_geo_point_translate, "POINT_TRANSLATE", PointTranslate, "Point Translate", "")
 DefNode(GeometryNode, GEO_NODE_ATTRIBUTE_SAMPLE_TEXTURE, def_geo_attribute_sample_texture, "ATTRIBUTE_SAMPLE_TEXTURE", AttributeSampleTexture, "Attribute Sample Texture", "")
+DefNode(GeometryNode, GEO_NODE_POINTS_TO_VOLUME, def_geo_points_to_volume, "POINTS_TO_VOLUME", PointsToVolume, "Points to Volume", "")
 
 /* undefine macros */
 #undef DefNode
diff --git a/source/blender/nodes/geometry/nodes/node_geo_points_to_volume.cc b/source/blender/nodes/geometry/nodes/node_geo_points_to_volume.cc
new file mode 100644
index 00000000000..b90ef2034a8
--- /dev/null
+++ b/source/blender/nodes/geometry/nodes/node_geo_points_to_volume.cc
@@ -0,0 +1,259 @@
+/*
+ * 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.
+ */
+
+#ifdef WITH_OPENVDB
+#  include <openvdb/openvdb.h>
+#  include <openvdb/tools/LevelSetUtil.h>
+#  include <openvdb/tools/ParticlesToLevelSet.h>
+#endif
+
+#include "node_geometry_util.hh"
+
+#include "BKE_lib_id.h"
+#include "BKE_volume.h"
+
+static bNodeSocketTemplate geo_node_points_to_volume_in[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {SOCK_FLOAT, N_("Density"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, FLT_MAX},
+    {SOCK_FLOAT, N_("Voxel Size"), 0.3f, 0.0f, 0.0f, 0.0f, 0.01f, FLT_MAX},
+    {SOCK_FLOAT, N_("Voxel Amount"), 64.0f, 0.0f, 0.0f, 0.0f, 0.0f, FLT_MAX},
+    {SOCK_STRING, N_("Radius")},
+    {SOCK_FLOAT, N_("Radius"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, FLT_MAX},
+    {-1, ""},
+};
+
+static bNodeSocketTemplate geo_node_point_translate_out[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {-1, ""},
+};
+
+namespace blender::nodes {
+
+#ifdef WITH_OPENVDB
+namespace {
+/* Implements the interface required by #openvdb::tools::ParticlesToLevelSet. */
+struct ParticleList {
+  using PosType = openvdb::Vec3R;
+
+  Span<float3> positions;
+  Span<float> radii;
+
+  size_t size() const
+  {
+    return (size_t)positions.size();
+  }
+
+  void getPos(size_t n, openvdb::Vec3R &xyz) const
+  {
+    xyz = &positions[n].x;
+  }
+
+  void getPosRad(size_t n, openvdb::Vec3R &xyz, openvdb::Real &radius) const
+  {
+    xyz = &positions[n].x;
+    radius = radii[n];
+  }
+};
+}  // namespace
+
+static o

@@ Diff output truncated at 10240 characters. @@



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