[Bf-blender-cvs] [c1fc1808611] master: Geometry Nodes: Curve Primitive Circle

Johnny Matthews noreply at git.blender.org
Thu Jul 1 02:22:25 CEST 2021


Commit: c1fc18086118012637bdc5a32c5ced1742d69dac
Author: Johnny Matthews
Date:   Wed Jun 30 19:17:28 2021 -0500
Branches: master
https://developer.blender.org/rBc1fc18086118012637bdc5a32c5ced1742d69dac

Geometry Nodes: Curve Primitive Circle

This node has two modes: the first mode computes a circle from three
locations and a resolution. The second takes radius and resolution.
The first mode also outputs the center of the computed circle as
a vector.

Differential Revision: https://developer.blender.org/D11650

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

M	release/scripts/startup/nodeitems_builtins.py
M	source/blender/blenkernel/BKE_node.h
M	source/blender/blenkernel/intern/node.cc
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_curve_primitive_circle.cc

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

diff --git a/release/scripts/startup/nodeitems_builtins.py b/release/scripts/startup/nodeitems_builtins.py
index 4dff242bd9f..c85d7a9db04 100644
--- a/release/scripts/startup/nodeitems_builtins.py
+++ b/release/scripts/startup/nodeitems_builtins.py
@@ -510,6 +510,7 @@ geometry_node_categories = [
         NodeItem("GeometryNodeCurveReverse"),
     ]),
     GeometryNodeCategory("GEO_PRIMITIVES_CURVE", "Curve Primitives", items=[
+        NodeItem("GeometryNodeCurvePrimitiveCircle"),
         NodeItem("GeometryNodeCurveStar"),
         NodeItem("GeometryNodeCurveSpiral"),
         NodeItem("GeometryNodeCurveQuadraticBezier"),
diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index 27f9edac731..3562a3e8d63 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -1443,6 +1443,7 @@ int ntreeTexExecTree(struct bNodeTree *ntree,
 #define GEO_NODE_CURVE_PRIMITIVE_SPIRAL 1063
 #define GEO_NODE_CURVE_PRIMITIVE_QUADRATIC_BEZIER 1064
 #define GEO_NODE_CURVE_PRIMITIVE_BEZIER_SEGMENT 1065
+#define GEO_NODE_CURVE_PRIMITIVE_CIRCLE 1066
 
 /** \} */
 
diff --git a/source/blender/blenkernel/intern/node.cc b/source/blender/blenkernel/intern/node.cc
index 87b069d7c50..e6635665567 100644
--- a/source/blender/blenkernel/intern/node.cc
+++ b/source/blender/blenkernel/intern/node.cc
@@ -5055,6 +5055,7 @@ static void registerGeometryNodes()
   register_node_type_geo_convex_hull();
   register_node_type_geo_curve_length();
   register_node_type_geo_curve_primitive_bezier_segment();
+  register_node_type_geo_curve_primitive_circle();
   register_node_type_geo_curve_primitive_quadratic_bezier();
   register_node_type_geo_curve_primitive_spiral();
   register_node_type_geo_curve_primitive_star();
diff --git a/source/blender/makesdna/DNA_node_types.h b/source/blender/makesdna/DNA_node_types.h
index 480a8c03c41..a6de85dd6af 100644
--- a/source/blender/makesdna/DNA_node_types.h
+++ b/source/blender/makesdna/DNA_node_types.h
@@ -1362,6 +1362,11 @@ typedef struct NodeGeometryCurvePrimitiveBezierSegment {
   uint8_t mode;
 } NodeGeometryCurvePrimitiveBezierSegment;
 
+typedef struct NodeGeometryCurvePrimitiveCircle {
+  /* GeometryNodeCurvePrimitiveMode. */
+  uint8_t mode;
+} NodeGeometryCurvePrimitiveCircle;
+
 typedef struct NodeGeometryCurveResample {
   /* GeometryNodeCurveSampleMode. */
   uint8_t mode;
@@ -1795,6 +1800,11 @@ typedef enum GeometryNodeBooleanOperation {
   GEO_NODE_BOOLEAN_DIFFERENCE = 2,
 } GeometryNodeBooleanOperation;
 
+typedef enum GeometryNodeCurvePrimitiveCircleMode {
+  GEO_NODE_CURVE_PRIMITIVE_CIRCLE_TYPE_POINTS = 0,
+  GEO_NODE_CURVE_PRIMITIVE_CIRCLE_TYPE_RADIUS = 1
+} GeometryNodeCurvePrimitiveCircleMode;
+
 typedef enum GeometryNodeTriangulateNGons {
   GEO_NODE_TRIANGULATE_NGON_BEAUTY = 0,
   GEO_NODE_TRIANGULATE_NGON_EARCLIP = 1,
diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index b3f46509955..c927c7df6bd 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -9425,6 +9425,32 @@ static void def_geo_attribute_vector_rotate(StructRNA *srna)
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_socket_update");
 }
 
+static void def_geo_curve_primitive_circle(StructRNA *srna)
+{
+  static const EnumPropertyItem mode_items[] = {
+      {GEO_NODE_CURVE_PRIMITIVE_CIRCLE_TYPE_POINTS,
+       "POINTS",
+       ICON_NONE,
+       "Points",
+       "Define the radius and location with three points"},
+      {GEO_NODE_CURVE_PRIMITIVE_CIRCLE_TYPE_RADIUS,
+       "RADIUS",
+       ICON_NONE,
+       "Radius",
+       "Define the radius with a float"},
+      {0, NULL, 0, NULL, NULL},
+  };
+
+  PropertyRNA *prop;
+
+  RNA_def_struct_sdna_from(srna, "NodeGeometryCurvePrimitiveCircle", "storage");
+
+  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
+  RNA_def_property_enum_items(prop, mode_items);
+  RNA_def_property_ui_text(prop, "Mode", "Method used to determine radius and placement");
+  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_socket_update");
+}
+
 static void def_geo_point_rotate(StructRNA *srna)
 {
   static const EnumPropertyItem type_items[] = {
diff --git a/source/blender/nodes/CMakeLists.txt b/source/blender/nodes/CMakeLists.txt
index 926a81e87fd..77d2f043b64 100644
--- a/source/blender/nodes/CMakeLists.txt
+++ b/source/blender/nodes/CMakeLists.txt
@@ -165,6 +165,7 @@ set(SRC
   geometry/nodes/node_geo_convex_hull.cc
   geometry/nodes/node_geo_curve_length.cc  
   geometry/nodes/node_geo_curve_primitive_bezier_segment.cc
+  geometry/nodes/node_geo_curve_primitive_circle.cc
   geometry/nodes/node_geo_curve_primitive_quadratic_bezier.cc
   geometry/nodes/node_geo_curve_primitive_spiral.cc
   geometry/nodes/node_geo_curve_primitive_star.cc
diff --git a/source/blender/nodes/NOD_geometry.h b/source/blender/nodes/NOD_geometry.h
index ba646e7654a..3e41c37ca75 100644
--- a/source/blender/nodes/NOD_geometry.h
+++ b/source/blender/nodes/NOD_geometry.h
@@ -53,6 +53,7 @@ void register_node_type_geo_collection_info(void);
 void register_node_type_geo_convex_hull(void);
 void register_node_type_geo_curve_length(void);
 void register_node_type_geo_curve_primitive_bezier_segment(void);
+void register_node_type_geo_curve_primitive_circle(void);
 void register_node_type_geo_curve_primitive_quadratic_bezier(void);
 void register_node_type_geo_curve_primitive_spiral(void);
 void register_node_type_geo_curve_primitive_star(void);
diff --git a/source/blender/nodes/NOD_static_types.h b/source/blender/nodes/NOD_static_types.h
index 19256f7383a..f6063039bfc 100644
--- a/source/blender/nodes/NOD_static_types.h
+++ b/source/blender/nodes/NOD_static_types.h
@@ -292,6 +292,7 @@ DefNode(GeometryNode, GEO_NODE_COLLECTION_INFO, def_geo_collection_info, "COLLEC
 DefNode(GeometryNode, GEO_NODE_CONVEX_HULL, 0, "CONVEX_HULL", ConvexHull, "Convex Hull", "")
 DefNode(GeometryNode, GEO_NODE_CURVE_LENGTH, 0, "CURVE_LENGTH", CurveLength, "Curve Length", "")
 DefNode(GeometryNode, GEO_NODE_CURVE_PRIMITIVE_BEZIER_SEGMENT, def_geo_curve_primitive_bezier_segment, "CURVE_PRIMITIVE_BEZIER_SEGMENT", CurvePrimitiveBezierSegment, "Bezier Segment", "")
+DefNode(GeometryNode, GEO_NODE_CURVE_PRIMITIVE_CIRCLE, def_geo_curve_primitive_circle, "CURVE_PRIMITIVE_CIRCLE", CurvePrimitiveCircle, "Circle", "")
 DefNode(GeometryNode, GEO_NODE_CURVE_PRIMITIVE_QUADRATIC_BEZIER, 0, "CURVE_PRIMITIVE_QUADRATIC_BEZIER", CurveQuadraticBezier, "Quadratic Bezier", "")
 DefNode(GeometryNode, GEO_NODE_CURVE_PRIMITIVE_STAR, 0, "CURVE_PRIMITIVE_STAR", CurveStar, "Star", "")
 DefNode(GeometryNode, GEO_NODE_CURVE_PRIMITIVE_SPIRAL, 0, "CURVE_PRIMITIVE_SPIRAL", CurveSpiral, "Curve Spiral", "")
diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_circle.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_circle.cc
new file mode 100644
index 00000000000..93ca5a1a677
--- /dev/null
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_primitive_circle.cc
@@ -0,0 +1,227 @@
+/*
+ * 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 "BKE_spline.hh"
+
+#include "UI_interface.h"
+#include "UI_resources.h"
+
+#include "node_geometry_util.hh"
+
+static bNodeSocketTemplate geo_node_curve_primitive_circle_in[] = {
+    {SOCK_INT, N_("Resolution"), 32.0f, 0.0f, 0.0f, 0.0f, 3.0f, 512.0f},
+    {SOCK_VECTOR, N_("Point 1"), -1.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX, PROP_TRANSLATION},
+    {SOCK_VECTOR, N_("Point 2"), 0.0f, 1.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX, PROP_TRANSLATION},
+    {SOCK_VECTOR, N_("Point 3"), 1.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX, PROP_TRANSLATION},
+    {SOCK_FLOAT, N_("Radius"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, FLT_MAX, PROP_DISTANCE},
+    {-1, ""},
+};
+
+static bNodeSocketTemplate geo_node_curve_primitive_circle_out[] = {
+    {SOCK_GEOMETRY, N_("Curve")},
+    {SOCK_VECTOR, N_("Center")},
+    {-1, ""},
+};
+
+static void geo_node_curve_primitive_circle_layout(uiLayout *layout,
+                                                   bContext *UNUSED(C),
+                                                   PointerRNA *ptr)
+{
+  uiItemR(layout, ptr, "mode", UI_ITEM_R_EXPAND, nullptr, ICON_NONE);
+}
+
+namespace blender::nodes {
+
+static void geo_node_curve_primitive_circle_init(bNodeTree *UNUSED(tree), bNode *node)
+{
+  NodeGeometryCurvePrimitiveCircle *data = (NodeGeometryCurvePrimitiveCircle *)MEM_callocN(
+      sizeof(NodeGeometryCurvePrimitiveCircle), __func__);
+
+  data->mode = GEO_NODE_CURVE_PRIMITIVE_CIRCLE_TYPE_RADIUS;
+  node->storage = data;
+}
+
+static void geo_node_curve_primitive_circle_update(bNodeTree *UNUSED(ntree), bNode *node)
+{
+  const NodeGeometryCurvePrimitiveCircle *node_storage = (NodeGeometryCurvePrimitiveCircle *)
+                                                             node->storage;
+  const GeometryNodeCurvePrimitiveCircleMode mode = (const GeometryNodeCurvePrimitiveCircleMode)
+                                                        node_storage->mode;
+
+  bNodeSocket *start_socket = ((bNodeSocket *)node->inputs.first)->next;
+  bNodeSocket *middle_socket = start_socket->next;
+  bNodeSocket *end_socket = middle_socket->next;
+  bNodeSocket *radius_socket = end_socket->next;
+
+  bNodeSocket *center_socket = ((bNodeSocket *)node->outputs.first)->next;
+
+  nodeSetSocketAvailability(start_socket, mode == GEO_NODE_CURVE_PRIMITIVE_CIRCLE_TYPE_POINTS);
+  nodeSetSocketAvailability(middle_socket, mode == GEO_NODE_CURVE_PRIMITIVE_

@@ Diff output truncated at 10240 characters. @@



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