Add Main Menu Version and Checksum Labels (#44)

2 files changed, 47 insertions, 0 deletions

diff --git a/extension/src/Checksum.hpp b/extension/src/Checksum.hpp
new file mode 100644
index 0000000..ebdbd43
--- /dev/null
+++ b/extension/src/Checksum.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+#include <godot_cpp/classes/object.hpp>
+#include <godot_cpp/core/class_db.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+namespace OpenVic2 {
+	class Checksum : public godot::Object {
+		GDCLASS(Checksum, godot::Object)
+
+		//BEGIN BOILERPLATE
+		static Checksum* _checksum;
+
+	protected:
+		static void _bind_methods() {
+			godot::ClassDB::bind_method(godot::D_METHOD("get_checksum_text"), &Checksum::get_checksum_text);
+		}
+
+	public:
+		inline static Checksum* get_singleton() { return _checksum; }
+
+		inline Checksum() {
+			ERR_FAIL_COND(_checksum != nullptr);
+			_checksum = this;
+		}
+		inline ~Checksum() {
+			ERR_FAIL_COND(_checksum != this);
+			_checksum = nullptr;
+		}
+		//END BOILERPLATE
+
+		inline godot::String get_checksum_text() {
+			return godot::String("1234abcd");
+		}
+	};
+
+	Checksum* Checksum::_checksum = nullptr;
+}
\ No newline at end of file
diff --git a/extension/src/register_types.cpp b/extension/src/register_types.cpp
index 84e4dc4..aac38b9 100644
--- a/extension/src/register_types.cpp
+++ b/extension/src/register_types.cpp
@@ -7,12 +7,14 @@
 
 #include "TestSingleton.hpp"
 #include "Simulation.hpp"
+#include "Checksum.hpp"
 
 using namespace godot;
 using namespace OpenVic2;
 
 static TestSingleton* _test_singleton;
 static Simulation* _simulation;
+static Checksum* _checksum;
 
 void initialize_openvic2_types(ModuleInitializationLevel p_level)
 {
@@ -28,6 +30,10 @@ void initialize_openvic2_types(ModuleInitializationLevel p_level)
 	_simulation = memnew(Simulation);
 	Engine::get_singleton()->register_singleton("Simulation", Simulation::get_singleton());
 
+	ClassDB::register_class<Checksum>();
+	_checksum = memnew(Checksum);
+	Engine::get_singleton()->register_singleton("Checksum", Checksum::get_singleton());
+
 }
 
 void uninitialize_openvic2_types(ModuleInitializationLevel p_level) {
@@ -40,6 +46,9 @@ void uninitialize_openvic2_types(ModuleInitializationLevel p_level) {
 
 	Engine::get_singleton()->unregister_singleton("Simulation");
 	memdelete(_simulation);
+
+	Engine::get_singleton()->unregister_singleton("Checksum");
+	memdelete(_checksum);
 }
 
 extern "C"