From d57eafed0f42abfe367b0e5f48c9bf1bf770f566 Mon Sep 17 00:00:00 2001
From: lbinria <77280433+lbinria@users.noreply.github.com>
Date: Wed, 3 Jul 2024 15:44:19 +0200
Subject: [PATCH] fix: enable addon execution when no input expected

---
 addon_loader.lua | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/addon_loader.lua b/addon_loader.lua
index 3ac5deb..021e26b 100644
--- a/addon_loader.lua
+++ b/addon_loader.lua
@@ -282,7 +282,7 @@ function exec_addon(addon)
       print('args='..tostring(args))
       
       -- Check whether a model selected
-      if scene_graph.current() == nil then
+      if addon.is_mesh_expected and scene_graph.current() == nil then
          print('No object selected.')
          return
       end
@@ -310,13 +310,16 @@ function exec_addon(addon)
 
       -- Save & Copy current model (in order to keep last changes that occurred to the model !)
       -- TODO UUID here !
-      local file_extension = FileSystem.extension(object.filename)
-      print(file_extension)
-      local input_model_path = sandbox_dir .. '/' .. object.name .. "_" .. os.clock() .. "." .. file_extension
-      if not object.save(input_model_path) then
-         print('An error occurred when transfering the current model to add-on.')
-         return
-      end
+      local input_model_path = ""
+      if addon.is_mesh_expected then 
+         local file_extension = FileSystem.extension(object.filename)
+         print(file_extension)
+         input_model_path = sandbox_dir .. '/' .. object.name .. "_" .. os.clock() .. "." .. file_extension
+         if not object.save(input_model_path) then
+            print('An error occurred when transfering the current model to add-on.')
+            return
+         end
+      end 
 
       local output_model_path = sandbox_dir .. "/output"