overlay: refactor code for lights (#539)

No functional change.

src/spice2x/overlay/windows/config.cpp

@@ -2183,9 +2183,16 @@ namespace overlay::windows {
             // check lights
             if (lights) {
                 for (auto &light_in : *lights) {
+                    build_light(&light_in);
+                }
+            }
 
+            ImGui::EndTable();
+        }
+    }
+
+    void Config::build_light(Light *light) {
         // get light based on page
-                    auto light = &light_in;
         auto &light_alternatives = light->getAlternatives();
         if (this->lights_page > 0) {
             while ((int) light_alternatives.size() < this->lights_page) {
@@ -2228,11 +2235,7 @@ namespace overlay::windows {
         if (light_display.size() > 0) {
             ImGui::SameLine();
             if (ImGui::DeleteButton("Remove")) {
-                            light->setDeviceIdentifier("");
-                            light->setIndex(0xFF);
-                            ::Config::getInstance().updateBinding(
-                                    games_list[games_selected], *light,
-                                    lights_page - 1);
+                clear_light(light);
             }
         }
 
@@ -2276,10 +2279,13 @@ namespace overlay::windows {
         // clean up
         ImGui::PopID();
     }
-            }
 
-            ImGui::EndTable();
-        }
+    void Config::clear_light(Light *light) {
+        light->setDeviceIdentifier("");
+        light->setIndex(0xFF);
+        ::Config::getInstance().updateBinding(
+                games_list[games_selected], *light,
+                lights_page - 1);
     }
     
     void Config::edit_light_popup(Light *light) {

src/spice2x/overlay/windows/config.h

@@ -94,6 +94,8 @@ namespace overlay::windows {
         void edit_analog_popup(Analog &analog);
 
         void build_lights(const std::string &name, std::vector<Light> *lights);
+        void build_light(Light *light);
+        void clear_light(Light *light);
         void edit_light_popup(Light *light);
 
         void build_cards();