From a7dba81aab22338738365a9a549dd4418f32c2e3 Mon Sep 17 00:00:00 2001
From: Jacques Lucke <jacques@blender.org>
Date: Wed, 21 Oct 2020 14:14:09 +0200
Subject: Nodes: add initial UI for Triangulate node

---
 release/scripts/startup/nodeitems_builtins.py      |  4 +--
 source/blender/blenkernel/BKE_node.h               |  8 +++++
 source/blender/blenkernel/intern/node.c            |  2 ++
 source/blender/nodes/CMakeLists.txt                |  1 +
 source/blender/nodes/NOD_geometry.h                |  2 ++
 source/blender/nodes/NOD_static_types.h            |  2 ++
 .../nodes/geometry/nodes/node_geo_triangulate.cc   | 36 ++++++++++++++++++++++
 7 files changed, 53 insertions(+), 2 deletions(-)
 create mode 100644 source/blender/nodes/geometry/nodes/node_geo_triangulate.cc

diff --git a/release/scripts/startup/nodeitems_builtins.py b/release/scripts/startup/nodeitems_builtins.py
index 4223b2ffb23..0c8a778b6b3 100644
--- a/release/scripts/startup/nodeitems_builtins.py
+++ b/release/scripts/startup/nodeitems_builtins.py
@@ -485,8 +485,8 @@ def not_implemented_node(idname):
 
 geometry_node_categories = [
     # Geometry Nodes
-    GeometryNodeCategory("GEO_CONVERTER", "Converter", items=[
-        NodeItem("ShaderNodeMath"),
+    GeometryNodeCategory("GEO_MESH", "Mesh", items=[
+        NodeItem("GeometryNodeTriangulate"),
     ]),
     GeometryNodeCategory("GEO_GROUP", "Group", items=node_group_items),
     GeometryNodeCategory("GEO_LAYOUT", "Layout", items=[
diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index 38045e22def..ab1e5afb8aa 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -1323,6 +1323,14 @@ int ntreeTexExecTree(struct bNodeTree *ntree,
                      struct MTex *mtex);
 /** \} */
 
+/* -------------------------------------------------------------------- */
+/** \name Geometry Nodes
+ * \{ */
+
+#define GEO_NODE_TRIANGULATE 1000
+
+/** \} */
+
 /* -------------------------------------------------------------------- */
 /** \name Function Nodes
  * \{ */
diff --git a/source/blender/blenkernel/intern/node.c b/source/blender/blenkernel/intern/node.c
index 3ead32d84df..164616032f2 100644
--- a/source/blender/blenkernel/intern/node.c
+++ b/source/blender/blenkernel/intern/node.c
@@ -4658,6 +4658,8 @@ static void registerTextureNodes(void)
 static void registerGeometryNodes(void)
 {
   register_node_type_geo_group();
+
+  register_node_type_geo_triangulate();
 }
 
 static void registerFunctionNodes(void)
diff --git a/source/blender/nodes/CMakeLists.txt b/source/blender/nodes/CMakeLists.txt
index cf09e6b15c7..fe098ea2491 100644
--- a/source/blender/nodes/CMakeLists.txt
+++ b/source/blender/nodes/CMakeLists.txt
@@ -138,6 +138,7 @@ set(SRC
   function/node_function_util.cc
 
   geometry/nodes/node_geo_common.cc
+  geometry/nodes/node_geo_triangulate.cc
   geometry/node_geometry_tree.cc
   geometry/node_geometry_util.cc
 
diff --git a/source/blender/nodes/NOD_geometry.h b/source/blender/nodes/NOD_geometry.h
index 0f8c49930ad..4c90a441270 100644
--- a/source/blender/nodes/NOD_geometry.h
+++ b/source/blender/nodes/NOD_geometry.h
@@ -26,6 +26,8 @@ void register_node_tree_type_geo(void);
 
 void register_node_type_geo_group(void);
 
+void register_node_type_geo_triangulate(void);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/blender/nodes/NOD_static_types.h b/source/blender/nodes/NOD_static_types.h
index 0173706b570..6e271ac7fad 100644
--- a/source/blender/nodes/NOD_static_types.h
+++ b/source/blender/nodes/NOD_static_types.h
@@ -266,6 +266,8 @@ DefNode(FunctionNode, FN_NODE_COMBINE_STRINGS, 0,               "COMBINE_STRINGS
 DefNode(FunctionNode, FN_NODE_OBJECT_TRANSFORMS, 0,             "OBJECT_TRANSFORMS", ObjectTransforms, "Object Transforms", "")
 DefNode(FunctionNode, FN_NODE_RANDOM_FLOAT, 0,                  "RANDOM_FLOAT", RandomFloat, "Random Float", "")
 
+DefNode(GeometryNode, GEO_NODE_TRIANGULATE, 0, "TRIANGULATE", Triangulate, "Triangulate", "")
+
 
 /* undefine macros */
 #undef DefNode
diff --git a/source/blender/nodes/geometry/nodes/node_geo_triangulate.cc b/source/blender/nodes/geometry/nodes/node_geo_triangulate.cc
new file mode 100644
index 00000000000..e3ece88a576
--- /dev/null
+++ b/source/blender/nodes/geometry/nodes/node_geo_triangulate.cc
@@ -0,0 +1,36 @@
+/*
+ * 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 "node_geometry_util.h"
+
+static bNodeSocketTemplate geo_node_triangulate_in[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {-1, ""},
+};
+
+static bNodeSocketTemplate geo_node_triangulate_out[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {-1, ""},
+};
+
+void register_node_type_geo_triangulate()
+{
+  static bNodeType ntype;
+
+  geo_node_type_base(&ntype, GEO_NODE_TRIANGULATE, "Triangulate", 0, 0);
+  node_type_socket_templates(&ntype, geo_node_triangulate_in, geo_node_triangulate_out);
+  nodeRegisterType(&ntype);
+}
-- 
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