1 files changed, 95 insertions, 0 deletions
diff --git a/source/blender/nodes/function/nodes/node_fn_float_to_int.cc b/source/blender/nodes/function/nodes/node_fn_float_to_int.cc
new file mode 100644
index 00000000000..26cde576400
--- /dev/null
+++ b/source/blender/nodes/function/nodes/node_fn_float_to_int.cc
@@ -0,0 +1,95 @@
+/*
+ * 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 <cmath>
+
+#include "BLI_string.h"
+
+#include "RNA_enum_types.h"
+
+#include "UI_interface.h"
+#include "UI_resources.h"
+
+#include "node_function_util.hh"
+
+static bNodeSocketTemplate fn_node_float_to_int_in[] = {
+    {SOCK_FLOAT, N_("Float"), 0.0, 0.0, 0.0, 0.0, -FLT_MAX, FLT_MAX},
+    {-1, ""},
+};
+
+static bNodeSocketTemplate fn_node_float_to_int_out[] = {
+    {SOCK_INT, N_("Integer")},
+    {-1, ""},
+};
+
+static void fn_node_float_to_int_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
+{
+  uiItemR(layout, ptr, "rounding_mode", 0, "", ICON_NONE);
+}
+
+static void node_float_to_int_label(bNodeTree *UNUSED(ntree), bNode *node, char *label, int maxlen)
+{
+  const char *name;
+  bool enum_label = RNA_enum_name(rna_enum_node_float_to_int_items, node->custom1, &name);
+  if (!enum_label) {
+    name = "Unknown";
+  }
+  BLI_strncpy(label, IFACE_(name), maxlen);
+}
+
+static const blender::fn::MultiFunction &get_multi_function(bNode &bnode)
+{
+  static blender::fn::CustomMF_SI_SO<float, int> round_fn{"Round",
+                                                          [](float a) { return (int)round(a); }};
+  static blender::fn::CustomMF_SI_SO<float, int> floor_fn{"Floor",
+                                                          [](float a) { return (int)floor(a); }};
+  static blender::fn::CustomMF_SI_SO<float, int> ceil_fn{"Ceiling",
+                                                         [](float a) { return (int)ceil(a); }};
+  static blender::fn::CustomMF_SI_SO<float, int> trunc_fn{"Truncate",
+                                                          [](float a) { return (int)trunc(a); }};
+
+  switch (static_cast<FloatToIntRoundingMode>(bnode.custom1)) {
+    case FN_NODE_FLOAT_TO_INT_ROUND:
+      return round_fn;
+    case FN_NODE_FLOAT_TO_INT_FLOOR:
+      return floor_fn;
+    case FN_NODE_FLOAT_TO_INT_CEIL:
+      return ceil_fn;
+    case FN_NODE_FLOAT_TO_INT_TRUNCATE:
+      return trunc_fn;
+  }
+
+  BLI_assert_unreachable();
+  return blender::fn::dummy_multi_function;
+}
+
+static void node_float_to_int_expand_in_mf_network(blender::nodes::NodeMFNetworkBuilder &builder)
+{
+  const blender::fn::MultiFunction &fn = get_multi_function(builder.bnode());
+  builder.set_matching_fn(fn);
+}
+
+void register_node_type_fn_float_to_int()
+{
+  static bNodeType ntype;
+
+  fn_node_type_base(&ntype, FN_NODE_FLOAT_TO_INT, "Float to Integer", NODE_CLASS_CONVERTOR, 0);
+  node_type_socket_templates(&ntype, fn_node_float_to_int_in, fn_node_float_to_int_out);
+  node_type_label(&ntype, node_float_to_int_label);
+  ntype.expand_in_mf_network = node_float_to_int_expand_in_mf_network;
+  ntype.draw_buttons = fn_node_float_to_int_layout;
+  nodeRegisterType(&ntype);
+}