feat: defined game ui with a debug label

src/game_ui.cpp

@@ -0,0 +1,34 @@
+#include "game_ui.hpp"
+#include "godot_cpp/classes/label.hpp"
+#include "godot_cpp/variant/utility_functions.hpp"
+#include "rally_rush_game_mode.hpp"
+#include "utils/game_root.hpp"
+#include "utils/godot_macros.h"
+
+namespace godot {
+void GameUI::_bind_methods() {
+#define CLASSNAME GameUI
+}
+
+void GameUI::_enter_tree() { GDGAMEONLY();
+    Ref<RallyRushGameMode> game_mode{GameRoot3D::get_singleton()->get_game_mode()};
+    game_mode->connect("key_found", callable_mp(this, &GameUI::on_key_found));
+    game_mode->connect("all_keys_found", callable_mp(this, &GameUI::on_all_keys_found));
+    this->debug_info_label = this->get_node<Label>("DebugInfo");
+    if(this->debug_info_label == nullptr)
+        UtilityFunctions::push_error("failed to find debuginfo");
+}
+
+void GameUI::append_debug_info(String string) {
+    String text = this->debug_info_label->get_text();
+    this->debug_info_label->set_text(string + "\n" + text);
+}
+
+void GameUI::on_key_found(int total_found) {
+    this->append_debug_info(String("Total keys: ") + String::num(total_found));
+}
+
+void GameUI::on_all_keys_found() {
+    this->append_debug_info(String("all keys found!!"));
+}
+}

src/game_ui.hpp

@@ -0,0 +1,21 @@
+#ifndef GAME_UI_HPP
+#define GAME_UI_HPP
+
+#include "godot_cpp/classes/canvas_layer.hpp"
+#include "godot_cpp/classes/label.hpp"
+namespace godot {
+class GameUI : public CanvasLayer {
+    GDCLASS(GameUI, CanvasLayer);
+    static void _bind_methods();
+public:
+    virtual void _enter_tree() override;
+    void append_debug_info(String string);
+protected:
+    void on_key_found(int total_found);
+    void on_all_keys_found();
+private:
+    Label *debug_info_label{nullptr};
+};
+}
+
+#endif // !GAME_UI_HPP