feat: saving entities (WIP)

src/logic/scripting/scripting.cpp

@@ -295,6 +295,7 @@ void scripting::on_entity_spawn(
         funcsset.on_despawn = lua::hasfield(L, "on_despawn");
         funcsset.on_trigger_enter = lua::hasfield(L, "on_trigger_enter");
         funcsset.on_trigger_exit = lua::hasfield(L, "on_trigger_exit");
+        funcsset.on_save = lua::hasfield(L, "on_save");
         lua::pop(L, 2);
 
         component->env = compenv;
@@ -355,6 +356,16 @@ bool scripting::on_entity_fall(const Entity& entity) {
     return true;
 }
 
+bool scripting::on_entity_save(const Entity& entity) {
+    const auto& script = entity.getScripting();
+    for (auto& component : script.components) {
+        if (component->funcsset.on_save) {
+            process_entity_callback(component->env, "on_save", nullptr);
+        }
+    }
+    return true;
+}
+
 void scripting::on_trigger_enter(const Entity& entity, size_t index, entityid_t oid) {
     const auto& script = entity.getScripting();
     for (auto& component : script.components) {