Implemented proper ROM selection menu

src/ui/ui_launcher.cpp

@@ -1,11 +1,59 @@
 #include "recomp_ui.h"
+#include "recomp_config.h"
+#include "recomp_game.h"
 #include "../../ultramodern/ultramodern.hpp"
 #include "RmlUi/Core.h"
+#include "nfd.h"
+#include <filesystem>
+
+Rml::DataModelHandle model_handle;
+bool mm_rom_valid = false;
+
+void select_rom() {
+	nfdnchar_t* native_path = nullptr;
+	nfdresult_t result = NFD_OpenDialogN(&native_path, nullptr, 0, nullptr);
+
+	if (result == NFD_OKAY) {
+		printf("Path: %ls\n", native_path);
+
+		std::filesystem::path path{native_path};
+
+		NFD_FreePathN(native_path);
+		native_path = nullptr;
+
+		recomp::RomValidationError rom_error = recomp::select_rom(path, recomp::Game::MM);
+
+		switch (rom_error) {
+			case recomp::RomValidationError::Good:
+				mm_rom_valid = true;
+				model_handle.DirtyVariable("mm_rom_valid");
+				break;
+			case recomp::RomValidationError::FailedToOpen:
+				recomp::message_box("Failed to open ROM file.");
+				break;
+			case recomp::RomValidationError::NotARom:
+				recomp::message_box("This is not a valid ROM file.");
+				break;
+			case recomp::RomValidationError::IncorrectRom:
+				recomp::message_box("This ROM is not the correct game.");
+				break;
+			case recomp::RomValidationError::NotYet:
+				recomp::message_box("This game isn't supported yet.");
+				break;
+			case recomp::RomValidationError::IncorrectVersion:
+				recomp::message_box("This ROM is the correct game, but the wrong version.\nThis project requires the NTSC-U N64 version of the game.");
+				break;
+			case recomp::RomValidationError::OtherError:
+				recomp::message_box("An unknown error has occurred.");
+				break;
+		}
+	}
+}
 
 class LauncherMenu : public recomp::MenuController {
 public:
     LauncherMenu() {
-
+		mm_rom_valid = recomp::is_rom_valid(recomp::Game::MM);
     }
 	~LauncherMenu() override {
 
@@ -14,9 +62,20 @@ public:
         return context->LoadDocument("assets/launcher.rml");
 	}
 	void register_events(recomp::UiEventListenerInstancer& listener) override {
+		recomp::register_event(listener, "select_rom",
+			[](const std::string& param, Rml::Event& event) {
+				select_rom();
+			}
+		);
+		recomp::register_event(listener, "rom_selected",
+			[](const std::string& param, Rml::Event& event) {
+				mm_rom_valid = true;
+				model_handle.DirtyVariable("mm_rom_valid");
+			}
+		);
 		recomp::register_event(listener, "start_game",
 			[](const std::string& param, Rml::Event& event) {
-				ultramodern::start_game(0);
+				recomp::start_game(recomp::Game::MM);
 				recomp::set_current_menu(recomp::Menu::None);
 			}
 		);
@@ -38,7 +97,11 @@ public:
 		);
 	}
 	void make_bindings(Rml::Context* context) override {
+		Rml::DataModelConstructor constructor = context->CreateDataModel("launcher_model");
 
+		constructor.Bind("mm_rom_valid", &mm_rom_valid);
+
+		model_handle = constructor.GetModelHandle();
 	}
 };
 

src/ui/ui_renderer.cpp

@@ -7,6 +7,7 @@
 
 #include "recomp_ui.h"
 #include "recomp_input.h"
+#include "recomp_game.h"
 
 #include "concurrentqueue.h"
 
@@ -950,8 +951,6 @@ void recomp::get_window_size(int& width, int& height) {
 }
 
 void init_hook(RT64::RenderInterface* interface, RT64::RenderDevice* device) {
-    printf("RT64 hook init\n");
-
     ui_context = std::make_unique<UIContext>();
 
     ui_context->rml.add_menu(recomp::Menu::Config, recomp::create_config_menu());
@@ -1207,3 +1206,7 @@ void recomp::destroy_ui() {
 recomp::Menu recomp::get_current_menu() {
     return open_menu.load();
 }
+
+void recomp::message_box(const char* msg) {
+    SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", msg, nullptr);
+}