Mod Support (#499)

Integrates the modding functionality in N64ModernRuntime and adds several exported functions for mods to use. Also adds a ROM decompressor so that the runtime has access to the uncompressed code in the ROM for hooking purposes.

src/ui/ui_launcher.cpp

@@ -6,7 +6,7 @@
 #include "nfd.h"
 #include <filesystem>
 
-std::string version_number = "v1.1.1";
+static std::string version_string;
 
 Rml::DataModelHandle model_handle;
 bool mm_rom_valid = false;
@@ -103,7 +103,9 @@ public:
 		Rml::DataModelConstructor constructor = context->CreateDataModel("launcher_model");
 
 		constructor.Bind("mm_rom_valid", &mm_rom_valid);
-		constructor.Bind("version_number", &version_number);
+
+		version_string = recomp::get_project_version().to_string();
+		constructor.Bind("version_number", &version_string);
 
 		model_handle = constructor.GetModelHandle();
 	}

src/ui/ui_renderer.cpp

@@ -1287,6 +1287,12 @@ void draw_hook(RT64::RenderCommandList* command_list, RT64::RenderFramebuffer* s
     static recompui::Menu prev_menu = recompui::Menu::None;
     recompui::Menu cur_menu = open_menu.load();
 
+    // Return to the launcher if no menu is open and the game isn't started.
+    if (cur_menu == recompui::Menu::None && !ultramodern::is_game_started()) {
+        cur_menu = recompui::Menu::Launcher;
+        recompui::set_current_menu(cur_menu);
+    }
+
     if (reload_sheets) {
         ui_context->rml.load_documents();
         prev_menu = recompui::Menu::None;