[nostalgia] Make core::init take FileSystem and return Context, add core::setWindowTitle

src/nostalgia/core/context.hpp

@@ -24,12 +24,21 @@ class Drawer {
 class Context {
 	public:
 		ox::FileSystem *rom = nullptr;
-		ox::Vector<Drawer*, 5> drawer;
+		ox::Vector<Drawer*, 5> drawers;
 	private:
 		void *m_windowerData = nullptr;
 		void *m_rendererData = nullptr;
 
 	public:
+		constexpr Context() noexcept = default;
+
+		constexpr Context(const Context &&other) noexcept {
+			rom = ox::move(other.rom);
+			drawers = ox::move(other.drawers);
+			m_windowerData = ox::move(other.m_windowerData);
+			m_rendererData = ox::move(other.m_rendererData);
+		}
+
 		constexpr void setWindowerData(void *windowerData) noexcept {
 			m_windowerData = windowerData;
 		}

src/nostalgia/core/core.hpp

@@ -20,7 +20,7 @@ namespace nostalgia::core {
 
 using event_handler = int(*)(Context*);
 
-ox::Error init(Context *ctx) noexcept;
+ox::Result<Context> init(ox::FileSystem *fs) noexcept;
 
 ox::Error run(Context *ctx) noexcept;
 

src/nostalgia/core/gba/core.cpp

@@ -40,11 +40,13 @@ static void initTimer() noexcept {
 	REG_IE = REG_IE | Int_timer0;
 }
 
-ox::Error init(Context *ctx) noexcept {
-	oxReturnError(initGfx(ctx));
+ox::Result<Context> init(ox::FileSystem *fs) noexcept {
+	Context ctx;
+	ctx.rom = fs;
+	oxReturnError(initGfx(&ctx));
 	initTimer();
 	initIrq();
-	return OxError(0);
+	return ctx;
 }
 
 void setEventHandler(Context*, event_handler h) noexcept {

src/nostalgia/core/gba/gfx.cpp

@@ -100,6 +100,9 @@ ox::Error shutdownGfx(Context*) noexcept {
 	return OxError(0);
 }
 
+void setWindowTitle(Context*, const char*) noexcept {
+}
+
 int getScreenWidth(Context*) noexcept {
 	return 240;
 }

src/nostalgia/core/gfx.cpp

@@ -142,13 +142,13 @@ char charMap[128] = {
 };
 
 void addCustomDrawer(Context *ctx, Drawer *cd) noexcept {
-	ctx->drawer.emplace_back(cd);
+	ctx->drawers.emplace_back(cd);
 }
 
 void removeCustomDrawer(Context *ctx, Drawer *cd) noexcept {
-	for (auto i = 0u; i < ctx->drawer.size(); ++i) {
-		if (ctx->drawer[i] == cd) {
-			oxIgnoreError(ctx->drawer.erase(i));
+	for (auto i = 0u; i < ctx->drawers.size(); ++i) {
+		if (ctx->drawers[i] == cd) {
+			oxIgnoreError(ctx->drawers.erase(i));
 			break;
 		}
 	}

src/nostalgia/core/gfx.hpp

@@ -80,6 +80,8 @@ void addCustomDrawer(Context *ctx, Drawer *cd) noexcept;
 
 void removeCustomDrawer(Context *ctx, Drawer *cd) noexcept;
 
+void setWindowTitle(Context *ctx, const char *title) noexcept;
+
 [[nodiscard]]
 int getScreenWidth(Context *ctx) noexcept;
 

src/nostalgia/core/glfw/core.cpp

@@ -37,15 +37,17 @@ static void handleGlfwKeyEvent(GLFWwindow *window, int key, int, int action, int
 	}
 }
 
-ox::Error init(Context *ctx) noexcept {
+ox::Result<Context> init(ox::FileSystem *fs) noexcept {
+	Context ctx;
+	ctx.rom = fs;
 	const auto id = new GlfwImplData;
-	ctx->setWindowerData(id);
+	ctx.setWindowerData(id);
 	using namespace std::chrono;
 	id->startTime = duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count();
 	glfwInit();
-	oxReturnError(initGfx(ctx));
+	oxReturnError(initGfx(&ctx));
 	glfwSetKeyCallback(id->window, handleGlfwKeyEvent);
-	return OxError(0);
+	return ctx;
 }
 
 ox::Error run(Context *ctx) noexcept {

src/nostalgia/core/glfw/gfx.cpp

@@ -57,6 +57,11 @@ ox::Error shutdownGfx(Context *ctx) noexcept {
 	return OxError(0);
 }
 
+void setWindowTitle(Context *ctx, const char *title) noexcept {
+	const auto id = ctx->windowerData<GlfwImplData>();
+	glfwSetWindowTitle(id->window, title);
+}
+
 int getScreenWidth(Context *ctx) noexcept {
 	auto id = ctx->windowerData<GlfwImplData>();
 	int w = 0, h = 0;

src/nostalgia/core/userland/gfx_opengl.cpp

@@ -278,7 +278,7 @@ void draw(Context *ctx) noexcept {
 	renderer::drawBackgrounds(id);
 	//bool showDemo = true;
 	//ImGui::ShowDemoWindow(&showDemo);
-	for (const auto cd : ctx->drawer) {
+	for (const auto cd : ctx->drawers) {
 		cd->draw(ctx);
 	}
 	if constexpr(config::ImGuiEnabled) {

src/nostalgia/player/app.cpp

@@ -33,9 +33,7 @@ static int eventHandler(core::Context *ctx) noexcept {
 }
 
 ox::Error run(ox::FileSystem *fs) noexcept {
-	core::Context ctx;
-	ctx.rom = fs;
-	oxReturnError(core::init(&ctx));
+	oxRequireM(ctx, core::init(fs));
 	constexpr auto TileSheetAddr = "/TileSheets/Charset.ng";
 	constexpr auto PaletteAddr = "/Palettes/Charset.npal";
 	oxReturnError(core::loadSpriteTileSheet(&ctx, 0, TileSheetAddr, PaletteAddr));