Cleanup: Nodes: Begin splitting shader node buttons into individual files

Currently, most node buttons are defined in `drawnode.cc` however,
this is inconvenient because it requires editing many files when adding new nodes.
The goal is to minimize the number of files needed to add or update a node.

This commit moves most of the node layout functions for shader nodes into their respected
source/blender/nodes/shader/nodes file.

In the future, these functions will be simplified to node_layout.

Some nodes were left in `drawnode.cc` as this would require duplicating code
while this is likely fine it is best to leave that to a seperate commit.

1 files changed, 9 insertions, 0 deletions

diff --git a/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc b/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc
index fe402675ec6..9e378ff0110 100644
--- a/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc
+++ b/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc
@@ -21,6 +21,9 @@
 
 #include "BLI_noise.hh"
 
+#include "UI_interface.h"
+#include "UI_resources.h"
+
 namespace blender::nodes::node_shader_tex_noise_cc {
 
 NODE_STORAGE_FUNCS(NodeTexNoise)
@@ -45,6 +48,11 @@ static void sh_node_tex_noise_declare(NodeDeclarationBuilder &b)
   b.add_output<decl::Color>(N_("Color")).no_muted_links();
 };
 
+static void node_shader_buts_tex_noise(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
+{
+  uiItemR(layout, ptr, "noise_dimensions", UI_ITEM_R_SPLIT_EMPTY_NAME, "", ICON_NONE);
+}
+
 static void node_shader_init_tex_noise(bNodeTree *UNUSED(ntree), bNode *node)
 {
   NodeTexNoise *tex = MEM_cnew<NodeTexNoise>(__func__);
@@ -256,6 +264,7 @@ void register_node_type_sh_tex_noise()
 
   sh_fn_node_type_base(&ntype, SH_NODE_TEX_NOISE, "Noise Texture", NODE_CLASS_TEXTURE);
   ntype.declare = file_ns::sh_node_tex_noise_declare;
+  ntype.draw_buttons = file_ns::node_shader_buts_tex_noise;
   node_type_init(&ntype, file_ns::node_shader_init_tex_noise);
   node_type_storage(
       &ntype, "NodeTexNoise", node_free_standard_storage, node_copy_standard_storage);