misc hud-related updates

src/logic/scripting/scripting.cpp

@@ -60,70 +60,6 @@ void scripting::initialize(Engine* engine) {
     load_script(fs::path("stdlib.lua"));
 }
 
-runnable scripting::create_runnable(
-    int env,
-    const std::string& src,
-    const std::string& file
-) {
-    return [=](){
-        state->execute(env, src, file);
-    };
-}
-
-static bool processCallback(
-    int env,
-    const std::string& src,
-    const std::string& file
-) {
-    try {
-        return state->eval(env, src, file) != 0;
-    } catch (lua::luaerror& err) {
-        std::cerr << err.what() << std::endl;
-        return false;
-    }
-}
-
-wstringconsumer scripting::create_wstring_consumer(
-    int env,
-    const std::string& src,
-    const std::string& file
-) {
-    return [=](const std::wstring& x){
-        if (processCallback(env, src, file)) {
-            state->pushstring(util::wstr2str_utf8(x));
-            state->callNoThrow(1);
-        }
-    };
-}
-
-doubleconsumer scripting::create_number_consumer(
-    int env,
-    const std::string& src,
-    const std::string& file
-) {
-    return [=](double x){
-        if (processCallback(env, src, file)) {
-            state->pushnumber(x);
-            state->callNoThrow(1);
-        }
-    };
-}
-
-int_array_consumer scripting::create_int_array_consumer(
-    int env,
-    const std::string& src, 
-    const std::string& file
-) {
-    return [=](const int arr[], size_t len){
-        if (processCallback(env, src, file)) {
-            for (uint i = 0; i < len; i++) {
-                state->pushinteger(arr[i]);
-            }
-            state->callNoThrow(len);
-        }
-    };
-}
-
 std::unique_ptr<Environment> scripting::create_environment(int parent) {
     return std::make_unique<Environment>(state->createEnvironment(parent));
 }
@@ -274,7 +210,7 @@ bool scripting::on_item_break_block(Player* player, const ItemDef* item, int x,
 void scripting::on_ui_open(UiDocument* layout, Inventory* inventory) {
     std::string name = layout->getId()+".open";
     if (state->getglobal(name)) {
-        state->pushinteger(inventory->getId());
+        state->pushinteger(inventory == nullptr ? 0 : inventory->getId());
         state->callNoThrow(1);
     }
 }