[Bf-blender-cvs] [4ae2d6206aa] geometry-nodes: Geometry Nodes: initial Transform node

Jacques Lucke noreply at git.blender.org
Mon Oct 26 12:28:02 CET 2020


Commit: 4ae2d6206aa88546d246e42bb8c86b9a841eca37
Author: Jacques Lucke
Date:   Mon Oct 26 12:27:51 2020 +0100
Branches: geometry-nodes
https://developer.blender.org/rB4ae2d6206aa88546d246e42bb8c86b9a841eca37

Geometry Nodes: initial Transform node

Most of this code has been written by @HooglyBoogly.
I just changed the exec funtion so that it does not have to make
a copy of the mesh.

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

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

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

diff --git a/release/scripts/startup/nodeitems_builtins.py b/release/scripts/startup/nodeitems_builtins.py
index d95ec5d840d..82a957fb118 100644
--- a/release/scripts/startup/nodeitems_builtins.py
+++ b/release/scripts/startup/nodeitems_builtins.py
@@ -488,6 +488,7 @@ geometry_node_categories = [
     GeometryNodeCategory("GEO_MESH", "Mesh", items=[
         NodeItem("GeometryNodeTriangulate"),
         NodeItem("GeometryNodeEdgeSplit"),
+        NodeItem("GeometryNodeTransform"),
     ]),
     GeometryNodeCategory("GEO_MATH", "Misc", items=[
         NodeItem("ShaderNodeMapRange"),
diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index da4bcb8a00e..0ae31989a05 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -1342,6 +1342,7 @@ int ntreeTexExecTree(struct bNodeTree *ntree,
 
 #define GEO_NODE_TRIANGULATE 1000
 #define GEO_NODE_EDGE_SPLIT 1001
+#define GEO_NODE_TRANSFORM 1002
 
 /** \} */
 
diff --git a/source/blender/blenkernel/intern/node.c b/source/blender/blenkernel/intern/node.c
index cf06e55814f..f7b5e92d11b 100644
--- a/source/blender/blenkernel/intern/node.c
+++ b/source/blender/blenkernel/intern/node.c
@@ -4661,6 +4661,7 @@ static void registerGeometryNodes(void)
 
   register_node_type_geo_triangulate();
   register_node_type_geo_edge_split();
+  register_node_type_geo_transform();
 }
 
 static void registerFunctionNodes(void)
diff --git a/source/blender/nodes/CMakeLists.txt b/source/blender/nodes/CMakeLists.txt
index 9058ee965a5..ffaabecb406 100644
--- a/source/blender/nodes/CMakeLists.txt
+++ b/source/blender/nodes/CMakeLists.txt
@@ -139,6 +139,7 @@ set(SRC
 
   geometry/nodes/node_geo_common.cc
   geometry/nodes/node_geo_edge_split.cc
+  geometry/nodes/node_geo_transform.cc
   geometry/nodes/node_geo_triangulate.cc
   geometry/node_geometry_exec.cc
   geometry/node_geometry_tree.cc
diff --git a/source/blender/nodes/NOD_geometry.h b/source/blender/nodes/NOD_geometry.h
index 2b561c419a3..27d8f3a898c 100644
--- a/source/blender/nodes/NOD_geometry.h
+++ b/source/blender/nodes/NOD_geometry.h
@@ -28,6 +28,7 @@ void register_node_type_geo_group(void);
 
 void register_node_type_geo_triangulate(void);
 void register_node_type_geo_edge_split(void);
+void register_node_type_geo_transform(void);
 
 #ifdef __cplusplus
 }
diff --git a/source/blender/nodes/NOD_static_types.h b/source/blender/nodes/NOD_static_types.h
index cd75e8a1ff0..5cfc9148f34 100644
--- a/source/blender/nodes/NOD_static_types.h
+++ b/source/blender/nodes/NOD_static_types.h
@@ -268,6 +268,7 @@ DefNode(FunctionNode, FN_NODE_RANDOM_FLOAT, 0,                  "RANDOM_FLOAT",
 
 DefNode(GeometryNode, GEO_NODE_TRIANGULATE, 0, "TRIANGULATE", Triangulate, "Triangulate", "")
 DefNode(GeometryNode, GEO_NODE_EDGE_SPLIT, 0, "EDGE_SPLIT", EdgeSplit, "Edge Split", "")
+DefNode(GeometryNode, GEO_NODE_TRANSFORM, 0, "TRANSFORM", Transform, "Transform", "")
 
 
 /* undefine macros */
diff --git a/source/blender/nodes/geometry/node_geometry_util.hh b/source/blender/nodes/geometry/node_geometry_util.hh
index e0b170dd6c8..bb26763642b 100644
--- a/source/blender/nodes/geometry/node_geometry_util.hh
+++ b/source/blender/nodes/geometry/node_geometry_util.hh
@@ -18,6 +18,7 @@
 
 #include <string.h>
 
+#include "BLI_float3.hh"
 #include "BLI_utildefines.h"
 
 #include "MEM_guardedalloc.h"
diff --git a/source/blender/nodes/geometry/nodes/node_geo_transform.cc b/source/blender/nodes/geometry/nodes/node_geo_transform.cc
new file mode 100644
index 00000000000..d0ac41b3641
--- /dev/null
+++ b/source/blender/nodes/geometry/nodes/node_geo_transform.cc
@@ -0,0 +1,75 @@
+/*
+ * 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_mesh.h"
+#include "BLI_math_matrix.h"
+
+#include "node_geometry_util.hh"
+
+static bNodeSocketTemplate geo_node_transform_in[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {SOCK_VECTOR, N_("Translation"), 0.0f, 0.0f, 0.0f, 1.0f, -FLT_MAX, FLT_MAX, PROP_TRANSLATION},
+    {SOCK_VECTOR, N_("Rotation"), 0.0f, 0.0f, 0.0f, 1.0f, -FLT_MAX, FLT_MAX, PROP_EULER},
+    {SOCK_VECTOR, N_("Scale"), 1.0f, 1.0f, 1.0f, 1.0f, -FLT_MAX, FLT_MAX, PROP_XYZ},
+    {-1, ""},
+};
+
+static bNodeSocketTemplate geo_node_transform_out[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {-1, ""},
+};
+
+namespace blender::nodes {
+static void geo_transform_exec(bNode *UNUSED(node), GValueByName &inputs, GValueByName &outputs)
+{
+  GeometryPtr geometry = inputs.extract<GeometryPtr>("Geometry");
+
+  if (!geometry.has_value() || !geometry->mesh_available()) {
+    outputs.move_in("Geometry", std::move(geometry));
+    return;
+  }
+
+  bke::make_geometry_mutable(geometry);
+
+  Mesh *mesh = geometry->mesh_get_for_write();
+
+  const float3 translation = inputs.extract<float3>("Translation");
+  const float3 rotation = inputs.extract<float3>("Rotation");
+  const float3 scale = inputs.extract<float3>("Scale");
+
+  /* Use only translation if rotation and scale are zero. */
+  if (translation.length() > 0.0f && rotation.length() == 0.0f && scale.length() == 0.0f) {
+    BKE_mesh_translate(mesh, translation, true);
+  }
+  else {
+    float mat[4][4];
+    loc_eul_size_to_mat4(mat, translation, rotation, scale);
+    BKE_mesh_transform(mesh, mat, true);
+  }
+
+  outputs.move_in("Geometry", std::move(geometry));
+}
+}  // namespace blender::nodes
+
+void register_node_type_geo_transform()
+{
+  static bNodeType ntype;
+
+  geo_node_type_base(&ntype, GEO_NODE_TRANSFORM, "Transform", 0, 0);
+  node_type_socket_templates(&ntype, geo_node_transform_in, geo_node_transform_out);
+  ntype.geometry_node_execute = blender::nodes::geo_transform_exec;
+  nodeRegisterType(&ntype);
+}



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