Nodes: Convert several shader nodes to c++

Also add file namespace

This is needed to use new node APIs

Differential Revision: https://developer.blender.org/D13690

1 files changed, 91 insertions, 0 deletions

diff --git a/source/blender/nodes/shader/nodes/node_shader_mapping.cc b/source/blender/nodes/shader/nodes/node_shader_mapping.cc
new file mode 100644
index 00000000000..d5cf2bb69ee
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_mapping.cc
@@ -0,0 +1,91 @@
+/*
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2005 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup shdnodes
+ */
+
+#include "node_shader_util.h"
+
+namespace blender::nodes::node_shader_mapping_cc {
+
+/* **************** MAPPING  ******************** */
+static bNodeSocketTemplate sh_node_mapping_in[] = {
+    {SOCK_VECTOR, N_("Vector"), 0.0f, 0.0f, 0.0f, 1.0f, -FLT_MAX, FLT_MAX, PROP_NONE},
+    {SOCK_VECTOR, N_("Location"), 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 sh_node_mapping_out[] = {
+    {SOCK_VECTOR, N_("Vector")},
+    {-1, ""},
+};
+
+static const char *gpu_shader_get_name(int mode)
+{
+  switch (mode) {
+    case NODE_MAPPING_TYPE_POINT:
+      return "mapping_point";
+    case NODE_MAPPING_TYPE_TEXTURE:
+      return "mapping_texture";
+    case NODE_MAPPING_TYPE_VECTOR:
+      return "mapping_vector";
+    case NODE_MAPPING_TYPE_NORMAL:
+      return "mapping_normal";
+  }
+  return nullptr;
+}
+
+static int gpu_shader_mapping(GPUMaterial *mat,
+                              bNode *node,
+                              bNodeExecData *UNUSED(execdata),
+                              GPUNodeStack *in,
+                              GPUNodeStack *out)
+{
+  if (gpu_shader_get_name(node->custom1)) {
+    return GPU_stack_link(mat, node, gpu_shader_get_name(node->custom1), in, out);
+  }
+
+  return 0;
+}
+
+static void node_shader_update_mapping(bNodeTree *ntree, bNode *node)
+{
+  bNodeSocket *sock = nodeFindSocket(node, SOCK_IN, "Location");
+  nodeSetSocketAvailability(
+      ntree, sock, ELEM(node->custom1, NODE_MAPPING_TYPE_POINT, NODE_MAPPING_TYPE_TEXTURE));
+}
+
+}  // namespace blender::nodes::node_shader_mapping_cc
+
+void register_node_type_sh_mapping()
+{
+  namespace file_ns = blender::nodes::node_shader_mapping_cc;
+
+  static bNodeType ntype;
+
+  sh_node_type_base(&ntype, SH_NODE_MAPPING, "Mapping", NODE_CLASS_OP_VECTOR, 0);
+  node_type_socket_templates(&ntype, file_ns::sh_node_mapping_in, file_ns::sh_node_mapping_out);
+  node_type_gpu(&ntype, file_ns::gpu_shader_mapping);
+  node_type_update(&ntype, file_ns::node_shader_update_mapping);
+
+  nodeRegisterType(&ntype);
+}