RetroAchievements (#710)

* retroachievements

* add rc_api_info

* disable hardcore

* clear password after login attempt

* proper check for hardcore

* more set_hardcore

* change checkbox

* add more stubs

* add more UI

* add button for RA website

* cleanup http callback

.gitmodules

@@ -6,3 +6,6 @@
 	path = src/compat/sse2neon
 	url = https://github.com/DLTcollab/sse2neon.git
 	branch = master
+[submodule "retroachievements/rcheevos"]
+	path = retroachievements/rcheevos
+	url = https://github.com/RetroAchievements/rcheevos.git

build.rs

@@ -1,5 +1,6 @@
 fn main() {
     println!("cargo::rerun-if-changed=parallel-rdp");
+    println!("cargo::rerun-if-changed=retroachievements");
     println!("cargo::rerun-if-changed=src/compat");
 
     let slint_config = slint_build::CompilerConfiguration::new().with_style("cosmic".into());
@@ -69,6 +70,41 @@ fn main() {
                 .join("include"),
         );
 
+    let mut retroachievements_build = cc::Build::new();
+    retroachievements_build
+        .flag("-Wno-unused-parameter")
+        .include("retroachievements/rcheevos/include")
+        .flag("-DRC_CLIENT_SUPPORTS_HASH")
+        .file("retroachievements/rcheevos/src/rc_client.c")
+        .file("retroachievements/rcheevos/src/rc_compat.c")
+        .file("retroachievements/rcheevos/src/rc_util.c")
+        .file("retroachievements/rcheevos/src/rcheevos/alloc.c")
+        .file("retroachievements/rcheevos/src/rcheevos/condition.c")
+        .file("retroachievements/rcheevos/src/rcheevos/condset.c")
+        .file("retroachievements/rcheevos/src/rcheevos/consoleinfo.c")
+        .file("retroachievements/rcheevos/src/rcheevos/format.c")
+        .file("retroachievements/rcheevos/src/rcheevos/lboard.c")
+        .file("retroachievements/rcheevos/src/rcheevos/memref.c")
+        .file("retroachievements/rcheevos/src/rcheevos/operand.c")
+        .file("retroachievements/rcheevos/src/rcheevos/richpresence.c")
+        .file("retroachievements/rcheevos/src/rcheevos/runtime.c")
+        .file("retroachievements/rcheevos/src/rcheevos/runtime_progress.c")
+        .file("retroachievements/rcheevos/src/rcheevos/trigger.c")
+        .file("retroachievements/rcheevos/src/rcheevos/value.c")
+        .file("retroachievements/rcheevos/src/rapi/rc_api_common.c")
+        .file("retroachievements/rcheevos/src/rapi/rc_api_info.c")
+        .file("retroachievements/rcheevos/src/rapi/rc_api_runtime.c")
+        .file("retroachievements/rcheevos/src/rapi/rc_api_user.c")
+        .file("retroachievements/rcheevos/src/rhash/aes.c")
+        .file("retroachievements/rcheevos/src/rhash/cdreader.c")
+        .file("retroachievements/rcheevos/src/rhash/md5.c")
+        .file("retroachievements/rcheevos/src/rhash/hash.c")
+        .file("retroachievements/rcheevos/src/rhash/hash_disc.c")
+        .file("retroachievements/rcheevos/src/rhash/hash_encrypted.c")
+        .file("retroachievements/rcheevos/src/rhash/hash_rom.c")
+        .file("retroachievements/rcheevos/src/rhash/hash_zip.c")
+        .file("retroachievements/retroachievements.c");
+
     let os = std::env::var("CARGO_CFG_TARGET_OS").unwrap();
     let arch = std::env::var("CARGO_CFG_TARGET_ARCH").unwrap();
     let opt_flag = if arch == "x86_64" {
@@ -84,6 +120,7 @@ fn main() {
     volk_build.flag(opt_flag);
     rdp_build.flag(opt_flag);
     simd_build.flag(opt_flag);
+    retroachievements_build.flag(opt_flag);
 
     if os == "windows" {
         volk_build.flag("-DVK_USE_PLATFORM_WIN32_KHR");
@@ -111,12 +148,41 @@ fn main() {
     volk_build.flag("-flto=thin");
     rdp_build.flag("-flto=thin");
     simd_build.flag("-flto=thin");
+    retroachievements_build.flag("-flto=thin");
 
     volk_build.compile("volk");
     rdp_build.compile("parallel-rdp");
+    retroachievements_build.compile("retroachievements");
 
     let out_path = std::path::PathBuf::from(std::env::var("OUT_DIR").unwrap());
 
+    let retroachievements_bindings = bindgen::Builder::default()
+        .header("retroachievements/retroachievements.h")
+        .allowlist_function("ra_init_client")
+        .allowlist_function("ra_shutdown_client")
+        .allowlist_function("ra_get_hardcore")
+        .allowlist_function("ra_load_game")
+        .allowlist_function("ra_set_dmem")
+        .allowlist_function("ra_do_frame")
+        .allowlist_function("ra_do_idle")
+        .allowlist_function("ra_http_callback")
+        .allowlist_function("ra_logout_user")
+        .allowlist_function("ra_login_user")
+        .allowlist_function("ra_login_token_user")
+        .allowlist_function("ra_is_user_logged_in")
+        .allowlist_function("ra_get_username")
+        .allowlist_function("ra_get_token")
+        .allowlist_function("ra_state_size")
+        .allowlist_function("ra_save_state")
+        .allowlist_function("ra_load_state")
+        .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
+        .generate()
+        .expect("Unable to generate bindings");
+
+    retroachievements_bindings
+        .write_to_file(out_path.join("retroachievements_bindings.rs"))
+        .expect("Couldn't write bindings!");
+
     let parallel_bindings = bindgen::Builder::default()
         .header("parallel-rdp/interface.hpp")
         .allowlist_function("rdp_init")

retroachievements/retroachievements.c

@@ -0,0 +1,284 @@
+#include "retroachievements.h"
+#include "../parallel-rdp/interface.hpp"
+#include <rc_client.h>
+#include <rc_consoles.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void rust_server_call(const char *url, const char *post_data,
+                      rc_client_server_callback_t callback,
+                      void *callback_data);
+void store_retroachievements_credentials(const char *username,
+                                         const char *token, void *userdata);
+
+rc_client_t *g_client = NULL;
+uint8_t *g_dmem = NULL;
+size_t g_dmem_size = 0;
+bool g_game_loaded = false;
+bool g_user_logged_in = false;
+const char *g_username = NULL;
+const char *g_token = NULL;
+
+static uint32_t read_memory(uint32_t address, uint8_t *buffer,
+                            uint32_t num_bytes, rc_client_t *client) {
+  if (address + num_bytes >= g_dmem_size)
+    return 0;
+  memcpy(buffer, &g_dmem[address], num_bytes);
+  return num_bytes;
+}
+
+static void server_call(const rc_api_request_t *request,
+                        rc_client_server_callback_t callback,
+                        void *callback_data, rc_client_t *client) {
+  rust_server_call(request->url, request->post_data, callback, callback_data);
+}
+
+void ra_http_callback(const char *content, size_t content_size, int status_code,
+                      void *callback, void *callback_data) {
+  // Prepare a data object to pass the HTTP response to the callback
+  rc_api_server_response_t server_response;
+  memset(&server_response, 0, sizeof(server_response));
+  server_response.body = content;
+  server_response.body_length = content_size;
+  server_response.http_status_code = status_code;
+
+  // handle non-http errors (socket timeout, no internet available, etc)
+  if (status_code == 0) {
+    // Let rc_client know the error was not catastrophic and could be retried.
+    // It may decide to retry or just immediately pass the error to the
+    // callback. To prevent possible retries, use
+    // RC_API_SERVER_RESPONSE_CLIENT_ERROR.
+    server_response.http_status_code =
+        RC_API_SERVER_RESPONSE_RETRYABLE_CLIENT_ERROR;
+  }
+
+  ((rc_client_server_callback_t)callback)(&server_response, callback_data);
+}
+
+static void log_message(const char *message, const rc_client_t *client) {
+  printf("RetroAchievements: %s\n", message);
+}
+
+static void login_callback(int result, const char *error_message,
+                           rc_client_t *client, void *userdata) {
+  // If not successful, just report the error and bail.
+  if (result != RC_OK) {
+    printf("RetroAchievements: Login failed: %s\n", error_message);
+    store_retroachievements_credentials(NULL, NULL, userdata);
+    return;
+  }
+
+  // Login was successful. Capture the token for future logins so we don't have
+  // to store the password anywhere.
+  const rc_client_user_t *user = rc_client_get_user_info(client);
+  store_retroachievements_credentials(user->username, user->token, userdata);
+
+  g_username = user->username;
+  g_token = user->token;
+  g_user_logged_in = true;
+}
+
+bool ra_is_user_logged_in() { return g_user_logged_in; }
+
+const char *ra_get_username() { return g_username; }
+const char *ra_get_token() { return g_token; }
+
+void ra_logout_user() {
+  g_user_logged_in = false;
+  rc_client_logout(g_client);
+}
+
+void ra_login_user(const char *username, const char *password, void *userdata) {
+  // This will generate an HTTP payload and call the server_call chain above.
+  // Eventually, login_callback will be called to let us know if the login was
+  // successful.
+  g_user_logged_in = false;
+  rc_client_begin_login_with_password(g_client, username, password,
+                                      login_callback, userdata);
+}
+
+void ra_login_token_user(const char *username, const char *token,
+                         void *userdata) {
+  // This is exactly the same functionality as
+  // rc_client_begin_login_with_password, but uses the token captured from the
+  // first login instead of a password. Note that it uses the same callback.
+  g_user_logged_in = false;
+  rc_client_begin_login_with_token(g_client, username, token, login_callback,
+                                   userdata);
+}
+
+static void load_game_callback(int result, const char *error_message,
+                               rc_client_t *client, void *userdata) {
+  if (result != RC_OK) {
+    printf("RetroAchievements: game load failed: %s\n", error_message);
+    return;
+  }
+  char buffer[512];
+  const rc_client_game_t *game = rc_client_get_game_info(client);
+  rc_client_user_game_summary_t summary;
+  rc_client_get_user_game_summary(client, &summary);
+
+  snprintf(buffer, sizeof(buffer), "RA Loaded: %s", game->title);
+  rdp_onscreen_message(buffer);
+
+  int hardcore_enabled = rc_client_get_hardcore_enabled(client);
+  snprintf(buffer, sizeof(buffer), "RA mode: %s",
+           hardcore_enabled ? "Hardcore" : "Softcore");
+  rdp_onscreen_message(buffer);
+
+  snprintf(buffer, sizeof(buffer), "%u/%u achievements unlocked",
+           summary.num_unlocked_achievements, summary.num_core_achievements);
+  rdp_onscreen_message(buffer);
+  g_game_loaded = true;
+}
+
+void ra_load_game(const uint8_t *rom, size_t rom_size) {
+  if (!g_user_logged_in)
+    return;
+
+  rc_client_begin_identify_and_load_game(g_client, RC_CONSOLE_NINTENDO_64, NULL,
+                                         rom, rom_size, load_game_callback,
+                                         NULL);
+}
+
+void ra_set_dmem(uint8_t *dmem, size_t dmem_size) {
+  g_dmem = dmem;
+  g_dmem_size = dmem_size;
+}
+
+static void achievement_triggered(const rc_client_achievement_t *achievement) {
+  char buffer[512];
+
+  snprintf(buffer, sizeof(buffer), "RA unlocked: %s", achievement->title);
+  rdp_onscreen_message(buffer);
+}
+
+static void game_completed(rc_client_t *client) {
+  char buffer[512];
+  const rc_client_game_t *game = rc_client_get_game_info(client);
+
+  snprintf(buffer, sizeof(buffer), "RA %s: %s",
+           rc_client_get_hardcore_enabled(client) ? "mastered" : "completed",
+           game->title);
+  rdp_onscreen_message(buffer);
+}
+
+static void subset_completed(const rc_client_subset_t *subset,
+                             rc_client_t *client) {
+  char buffer[512];
+
+  snprintf(buffer, sizeof(buffer), "RA subset %s: %s",
+           rc_client_get_hardcore_enabled(client) ? "mastered" : "completed",
+           subset->title);
+  rdp_onscreen_message(buffer);
+}
+
+static void event_handler(const rc_client_event_t *event, rc_client_t *client) {
+  switch (event->type) {
+  case RC_CLIENT_EVENT_ACHIEVEMENT_TRIGGERED:
+    achievement_triggered(event->achievement);
+    break;
+  case RC_CLIENT_EVENT_LEADERBOARD_STARTED:
+    break;
+  case RC_CLIENT_EVENT_LEADERBOARD_FAILED:
+    break;
+  case RC_CLIENT_EVENT_LEADERBOARD_SUBMITTED:
+    break;
+  case RC_CLIENT_EVENT_ACHIEVEMENT_CHALLENGE_INDICATOR_SHOW:
+    break;
+  case RC_CLIENT_EVENT_ACHIEVEMENT_CHALLENGE_INDICATOR_HIDE:
+    break;
+  case RC_CLIENT_EVENT_ACHIEVEMENT_PROGRESS_INDICATOR_SHOW:
+    break;
+  case RC_CLIENT_EVENT_ACHIEVEMENT_PROGRESS_INDICATOR_HIDE:
+    break;
+  case RC_CLIENT_EVENT_ACHIEVEMENT_PROGRESS_INDICATOR_UPDATE:
+    break;
+  case RC_CLIENT_EVENT_LEADERBOARD_TRACKER_SHOW:
+    break;
+  case RC_CLIENT_EVENT_LEADERBOARD_TRACKER_HIDE:
+    break;
+  case RC_CLIENT_EVENT_LEADERBOARD_TRACKER_UPDATE:
+    break;
+  case RC_CLIENT_EVENT_LEADERBOARD_SCOREBOARD:
+    break;
+  case RC_CLIENT_EVENT_GAME_COMPLETED:
+    game_completed(client);
+    break;
+  case RC_CLIENT_EVENT_SUBSET_COMPLETED:
+    subset_completed(event->subset, client);
+    break;
+  default:
+    printf("RetroAchievements: Unhandled event %d\n", event->type);
+    break;
+  }
+}
+
+void ra_init_client(bool hardcore) {
+  // Create the client instance (using a global variable simplifies this
+  // example)
+  g_client = rc_client_create(read_memory, server_call);
+  g_game_loaded = false;
+  g_user_logged_in = false;
+  g_dmem = NULL;
+  g_dmem_size = 0;
+
+  // Provide a logging function to simplify debugging
+  rc_client_enable_logging(g_client, RC_CLIENT_LOG_LEVEL_WARN, log_message);
+
+  rc_client_set_event_handler(g_client, event_handler);
+
+  rc_client_set_hardcore_enabled(g_client, hardcore);
+}
+
+bool ra_get_hardcore() {
+  if (!g_user_logged_in)
+    return false;
+  return rc_client_get_hardcore_enabled(g_client);
+}
+
+void ra_shutdown_client() {
+  if (g_client) {
+    // Release resources associated to the client instance
+    rc_client_destroy(g_client);
+    g_client = NULL;
+  }
+}
+
+void ra_do_frame() {
+  if (!g_game_loaded)
+    return;
+
+  rc_client_do_frame(g_client);
+}
+
+void ra_do_idle() {
+  if (!g_game_loaded)
+    return;
+
+  rc_client_idle(g_client);
+}
+
+size_t ra_state_size() {
+  if (!g_game_loaded)
+    return 0;
+
+  return rc_client_progress_size(g_client);
+}
+
+void ra_save_state(uint8_t *state) {
+  if (!g_game_loaded)
+    return;
+  if (rc_client_serialize_progress(g_client, state) != RC_OK) {
+    printf("RetroAchievements: Failed to serialize progress\n");
+  }
+}
+
+void ra_load_state(const uint8_t *state) {
+  if (!g_game_loaded)
+    return;
+  if (rc_client_deserialize_progress(g_client, state) != RC_OK) {
+    printf("RetroAchievements: Failed to deserialize progress\n");
+  }
+}

retroachievements/retroachievements.h

@@ -0,0 +1,23 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+void ra_init_client(bool hardcore);
+void ra_shutdown_client();
+bool ra_get_hardcore();
+void ra_load_game(const uint8_t *rom, size_t rom_size);
+void ra_set_dmem(uint8_t *dmem, size_t dmem_size);
+void ra_do_frame();
+void ra_do_idle();
+void ra_http_callback(const char *content, size_t content_size, int status_code,
+                      void *callback, void *callback_data);
+void ra_logout_user();
+void ra_login_user(const char *username, const char *password, void *userdata);
+void ra_login_token_user(const char *username, const char *token,
+                         void *userdata);
+bool ra_is_user_logged_in();
+const char *ra_get_username();
+const char *ra_get_token();
+size_t ra_state_size();
+void ra_save_state(uint8_t *state);
+void ra_load_state(const uint8_t *state);

src/device.rs

@@ -12,7 +12,7 @@ use std::arch::x86_64::*;
 
 use rand::{Rng, SeedableRng};
 
-use crate::{cheats, netplay, ui};
+use crate::{cheats, netplay, retroachievements, ui};
 use std::{collections::HashMap, fs, io::Read};
 
 pub mod ai;
@@ -49,22 +49,27 @@ pub fn run_game(device: &mut Device, rom_contents: Vec<u8>, game_settings: ui::g
     if game_settings.disable_expansion_pak {
         device.rdram.size = 0x400000;
     }
-    if let Some(slot) = game_settings.load_savestate_slot {
+    if let Some(slot) = game_settings.load_savestate_slot
+        && !retroachievements::get_hardcore()
+    {
         device.ui.storage.save_state_slot = slot;
         device.load_state = true;
     }
 
     init_rng(device);
 
-    cart::rom::init(device, rom_contents); // cart needs to come before rdram
+    cart::rom::init(device, &rom_contents); // cart needs to come before rdram
 
-    // rdram pointer is shared with parallel-rdp
+    // rdram pointer is shared with parallel-rdp and retroachievements
     rdram::init(device);
 
     ui::video::init(device);
     ui::audio::init(&mut device.ui, device.ai.freq);
     ui::input::init(&mut device.ui);
 
+    // shows messages, needs to be after video init
+    retroachievements::load_game(&rom_contents, rom_contents.len());
+
     mi::init(device);
     pif::init(device);
     if device.ui.config.input.emulate_vru && device.netplay.is_none() {
@@ -80,7 +85,9 @@ pub fn run_game(device: &mut Device, rom_contents: Vec<u8>, game_settings: ui::g
     ui::storage::init(&mut device.ui, &device.cart.rom);
     ui::storage::load_saves(&mut device.ui, &mut device.netplay);
 
-    cheats::init(device, game_settings.cheats);
+    if !retroachievements::get_hardcore() {
+        cheats::init(device, game_settings.cheats);
+    }
 
     cpu::run(device);
 

src/device/cart/rom.rs

@@ -133,7 +133,7 @@ pub fn dma_write(
     device::pi::calculate_cycles(device, 1, length)
 }
 
-pub fn init(device: &mut device::Device, rom_file: Vec<u8>) {
+pub fn init(device: &mut device::Device, rom_file: &[u8]) {
     let now: chrono::DateTime<chrono::Local> = chrono::Local::now();
     device.cart.rtc_timestamp = now.naive_local().and_utc().timestamp();
     if let Some(netplay) = &mut device.netplay {
@@ -146,7 +146,7 @@ pub fn init(device: &mut device::Device, rom_file: Vec<u8>) {
 
     device.cart.sc64.cfg[device::cart::sc64::SC64_BOOTLOADER_SWITCH as usize] = 1;
 
-    device.cart.rom = rom_file;
+    device.cart.rom = rom_file.to_vec();
     device.cart.pal = is_system_pal(device.cart.rom[0x3E]);
     set_cic(device);
 

src/device/rdram.rs

@@ -1,4 +1,5 @@
 use crate::device;
+use crate::retroachievements;
 use crate::ui;
 use std::alloc::{Layout, alloc_zeroed};
 
@@ -151,6 +152,8 @@ pub fn init(device: &mut device::Device) {
     device.rdram.mem =
         unsafe { Vec::from_raw_parts(ptr, device.rdram.size as usize, device.rdram.size as usize) };
 
+    retroachievements::set_dmem(device.rdram.mem.as_mut_ptr(), device.rdram.size as usize);
+
     // hack, skip RDRAM initialization
     device
         .rdram

src/device/vi.rs

@@ -1,4 +1,4 @@
-use crate::{cheats, device, netplay, ui};
+use crate::{cheats, device, netplay, retroachievements, ui};
 
 const VI_STATUS_REG: u32 = 0;
 const VI_ORIGIN_REG: u32 = 1;
@@ -128,6 +128,8 @@ pub fn vertical_interrupt_event(device: &mut device::Device) {
         cheats::execute_cheats(device, device.cheats.cheats.clone());
     }
 
+    retroachievements::do_frame();
+
     ui::video::render_frame();
 
     let (mut speed_limiter_toggled, paused) = ui::video::check_callback(device);
@@ -147,7 +149,7 @@ pub fn vertical_interrupt_event(device: &mut device::Device) {
     ui::video::update_screen();
     device.vi.vi_counter += 1;
 
-    if device.netplay.is_none() && paused {
+    if device.netplay.is_none() && !retroachievements::get_hardcore() && paused {
         ui::video::pause_loop(device.vi.frame_time);
     }
 

src/main.rs

@@ -6,6 +6,7 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
 mod cheats;
 mod device;
 mod netplay;
+mod retroachievements;
 mod savestates;
 mod ui;
 use clap::Parser;
@@ -82,6 +83,29 @@ struct Args {
         help = "Load savestate from slot 0-9 when starting the game"
     )]
     load_state: Option<u32>,
+    #[arg(
+        long = "ra-username",
+        value_name = "USERNAME",
+        help = "Username for RetroAchievements"
+    )]
+    ra_username: Option<String>,
+    #[arg(
+        long = "ra-token",
+        value_name = "TOKEN",
+        help = "Token for RetroAchievements"
+    )]
+    ra_token: Option<String>,
+    #[arg(
+        long = "ra-password",
+        value_name = "PASSWORD",
+        help = "Password for RetroAchievements"
+    )]
+    ra_password: Option<String>,
+    #[arg(
+        long = "ra-hardcore",
+        help = "Enable Hardcore mode for RetroAchievements"
+    )]
+    ra_hardcore: bool,
 }
 
 #[tokio::main(worker_threads = 4)]
@@ -134,6 +158,7 @@ async fn main() -> std::io::Result<()> {
                 .unwrap_or_default()
         };
 
+        retroachievements::init_client(false); //args.ra_hardcore
         let mut shutdown_tx = None;
 
         if let Some(peer_addr) = args.netplay_peer_addr
@@ -157,6 +182,17 @@ async fn main() -> std::io::Result<()> {
             if device.ui.config.emulation.usb {
                 (shutdown_tx, device.ui.usb) = ui::usb::init();
             }
+
+            if let Some(username) = args.ra_username {
+                let (tx, rx) = tokio::sync::oneshot::channel::<bool>();
+                if let Some(password) = args.ra_password {
+                    retroachievements::login_user(username, password, tx);
+                } else if let Some(token) = args.ra_token {
+                    retroachievements::login_token_user(username, token, tx);
+                }
+
+                rx.await.unwrap();
+            }
         }
 
         device::run_game(
@@ -169,6 +205,7 @@ async fn main() -> std::io::Result<()> {
                 load_savestate_slot: args.load_state,
             },
         );
+        retroachievements::shutdown_client();
 
         if device.netplay.is_some() {
             netplay::close(&mut device);
@@ -217,7 +254,9 @@ async fn main() -> std::io::Result<()> {
             ui::input::bind_input_profile(&mut ui, profile, port);
         }
     } else {
+        retroachievements::init_client(false);
         gui::app_window();
+        retroachievements::shutdown_client();
     }
 
     Ok(())

src/retroachievements.rs

@@ -0,0 +1,304 @@
+include!(concat!(env!("OUT_DIR"), "/retroachievements_bindings.rs"));
+
+use crate::ui;
+use slint::ComponentHandle;
+
+#[derive(serde::Serialize, serde::Deserialize)]
+pub struct RAConfig {
+    pub username: String,
+    pub token: String,
+    pub enabled: bool,
+    pub hardcore: bool,
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn store_retroachievements_credentials(
+    c_username: *const std::ffi::c_char,
+    c_token: *const std::ffi::c_char,
+    ctx: *mut std::ffi::c_void,
+) {
+    let tx = unsafe { Box::from_raw(ctx as *mut tokio::sync::oneshot::Sender<bool>) };
+
+    if c_username.is_null() || c_token.is_null() {
+        tx.send(false).unwrap();
+        return;
+    }
+
+    let file_path = ui::get_dirs().config_dir.join("retroachievements.json");
+    let raconfig = if let Ok(ra_config) = std::fs::read(&file_path)
+        && let Ok(result) = serde_json::from_slice::<RAConfig>(ra_config.as_ref())
+    {
+        RAConfig {
+            username: unsafe { std::ffi::CStr::from_ptr(c_username).to_str().unwrap() }.to_string(),
+            token: unsafe { std::ffi::CStr::from_ptr(c_token).to_str().unwrap() }.to_string(),
+            enabled: result.enabled,
+            hardcore: result.hardcore,
+        }
+    } else {
+        RAConfig {
+            username: unsafe { std::ffi::CStr::from_ptr(c_username).to_str().unwrap() }.to_string(),
+            token: unsafe { std::ffi::CStr::from_ptr(c_token).to_str().unwrap() }.to_string(),
+            enabled: false,
+            hardcore: false,
+        }
+    };
+    let f = std::fs::File::create(&file_path).unwrap();
+    serde_json::to_writer_pretty(f, &raconfig).unwrap();
+
+    tx.send(true).unwrap();
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn rust_server_call(
+    c_url: *const std::ffi::c_char,
+    c_post_data: *const std::ffi::c_char,
+    c_callback: *mut std::ffi::c_void,
+    c_callback_data: *mut std::ffi::c_void,
+) {
+    let url = unsafe { std::ffi::CStr::from_ptr(c_url).to_str().unwrap() };
+    let client = reqwest::Client::builder()
+        .user_agent(format!(
+            "{}/{}",
+            env!("CARGO_PKG_NAME"),
+            env!("CARGO_PKG_VERSION")
+        ))
+        .build()
+        .unwrap();
+    let task = if !c_post_data.is_null() {
+        let post_data = unsafe { std::ffi::CStr::from_ptr(c_post_data).to_str().unwrap() };
+        let query_string =
+            reqwest::Url::parse(&format!("http://nothing.com?{}", post_data)).unwrap();
+        client
+            .post(url)
+            .query(
+                &query_string
+                    .query_pairs()
+                    .into_owned()
+                    .collect::<Vec<(String, String)>>(),
+            )
+            .send()
+    } else {
+        client.get(url).send()
+    };
+    let callback = c_callback.addr();
+    let callback_data = c_callback_data.addr();
+    tokio::spawn(async move {
+        let response = task.await;
+        match response {
+            Ok(response) => {
+                let status = response.status().as_u16() as i32;
+                match response.text().await {
+                    Ok(text) => {
+                        let c_text = std::ffi::CString::new(text).unwrap();
+                        unsafe {
+                            ra_http_callback(
+                                c_text.as_ptr(),
+                                c_text.count_bytes(),
+                                status,
+                                callback as *mut std::ffi::c_void,
+                                callback_data as *mut std::ffi::c_void,
+                            )
+                        };
+                    }
+                    Err(error) => {
+                        let c_error = std::ffi::CString::new(error.to_string()).unwrap();
+                        unsafe {
+                            ra_http_callback(
+                                c_error.as_ptr(),
+                                c_error.count_bytes(),
+                                status,
+                                callback as *mut std::ffi::c_void,
+                                callback_data as *mut std::ffi::c_void,
+                            )
+                        };
+                    }
+                }
+            }
+            Err(error) => {
+                let c_error = std::ffi::CString::new(error.to_string()).unwrap();
+                unsafe {
+                    ra_http_callback(
+                        c_error.as_ptr(),
+                        c_error.count_bytes(),
+                        0,
+                        callback as *mut std::ffi::c_void,
+                        callback_data as *mut std::ffi::c_void,
+                    )
+                };
+            }
+        }
+    });
+}
+
+fn set_current_user_message(app: &ui::gui::AppWindow, rx: tokio::sync::oneshot::Receiver<bool>) {
+    app.set_ra_current_user_message("Logging in...".into());
+    let weak_app = app.as_weak();
+    tokio::spawn(async move {
+        rx.await.unwrap();
+        weak_app
+            .upgrade_in_event_loop(move |handle| {
+                if unsafe { ra_is_user_logged_in() } {
+                    handle.set_ra_current_user_message(
+                        format!("Logged in as {}", handle.get_ra_username()).into(),
+                    );
+                } else {
+                    handle.set_ra_current_user_message("Login failed".into());
+                }
+                handle.set_ra_logging_in(false);
+            })
+            .unwrap();
+    });
+}
+
+pub fn ra_window(app: &ui::gui::AppWindow) {
+    let mut token = String::new();
+    if let Ok(ra_config) = std::fs::read(ui::get_dirs().config_dir.join("retroachievements.json"))
+        && let Ok(result) = serde_json::from_slice::<RAConfig>(ra_config.as_ref())
+    {
+        app.set_ra_username(result.username.into());
+        app.set_ra_enabled(result.enabled);
+        app.set_ra_hardcore(result.hardcore);
+        token = result.token;
+    } else {
+        app.set_ra_hardcore(true);
+    }
+
+    if app.get_ra_enabled() && !app.get_ra_username().is_empty() {
+        let (tx, rx) = tokio::sync::oneshot::channel::<bool>();
+        login_token_user(app.get_ra_username().to_string(), token, tx);
+        set_current_user_message(app, rx);
+    } else {
+        app.set_ra_current_user_message("Not currently logged in".into());
+    }
+
+    let weak_app2 = app.as_weak();
+    app.on_ra_button_clicked(move |password| {
+        weak_app2
+            .upgrade_in_event_loop(move |handle| {
+                let (tx, rx) = tokio::sync::oneshot::channel::<bool>();
+                login_user(
+                    handle.get_ra_username().to_string(),
+                    password.to_string(),
+                    tx,
+                );
+
+                set_current_user_message(&handle, rx);
+            })
+            .unwrap();
+    });
+
+    app.on_ra_toggled(move |enabled, hardcore| {
+        let file_path = ui::get_dirs().config_dir.join("retroachievements.json");
+        let raconfig = if let Ok(ra_config) = std::fs::read(&file_path)
+            && let Ok(result) = serde_json::from_slice::<RAConfig>(ra_config.as_ref())
+        {
+            if !enabled {
+                unsafe { ra_logout_user() };
+                RAConfig {
+                    username: "".into(),
+                    token: "".into(),
+                    enabled,
+                    hardcore,
+                }
+            } else {
+                RAConfig {
+                    username: result.username,
+                    token: result.token,
+                    enabled,
+                    hardcore,
+                }
+            }
+        } else {
+            RAConfig {
+                username: "".into(),
+                token: "".into(),
+                enabled,
+                hardcore,
+            }
+        };
+        let f = std::fs::File::create(&file_path).unwrap();
+        serde_json::to_writer_pretty(f, &raconfig).unwrap();
+    });
+
+    app.on_ra_games_clicked(move || {
+        open::that_detached("https://retroachievements.org/system/2-nintendo-64/games").unwrap();
+    });
+}
+
+pub fn load_game(rom: &[u8], rom_size: usize) {
+    unsafe { ra_load_game(rom.as_ptr(), rom_size) };
+}
+
+pub fn set_dmem(dmem: *mut u8, dmem_size: usize) {
+    unsafe { ra_set_dmem(dmem, dmem_size) };
+}
+
+pub fn do_frame() {
+    unsafe { ra_do_frame() };
+}
+
+pub fn do_idle() {
+    unsafe { ra_do_idle() };
+}
+
+pub fn init_client(hardcore: bool) {
+    unsafe { ra_init_client(hardcore) };
+}
+
+pub fn shutdown_client() {
+    unsafe { ra_shutdown_client() };
+}
+
+pub fn get_hardcore() -> bool {
+    unsafe { ra_get_hardcore() }
+}
+
+pub fn login_user(username: String, password: String, tx: tokio::sync::oneshot::Sender<bool>) {
+    unsafe {
+        let tx_ptr = Box::into_raw(Box::new(tx)) as *mut std::ffi::c_void;
+        ra_login_user(
+            std::ffi::CString::new(username).unwrap().as_ptr(),
+            std::ffi::CString::new(password).unwrap().as_ptr(),
+            tx_ptr,
+        )
+    };
+}
+
+pub fn login_token_user(username: String, token: String, tx: tokio::sync::oneshot::Sender<bool>) {
+    unsafe {
+        let tx_ptr = Box::into_raw(Box::new(tx)) as *mut std::ffi::c_void;
+        ra_login_token_user(
+            std::ffi::CString::new(username).unwrap().as_ptr(),
+            std::ffi::CString::new(token).unwrap().as_ptr(),
+            tx_ptr,
+        )
+    };
+}
+
+pub fn is_user_logged_in() -> bool {
+    unsafe { ra_is_user_logged_in() }
+}
+
+pub fn get_username() -> &'static str {
+    unsafe {
+        std::ffi::CStr::from_ptr(ra_get_username())
+            .to_str()
+            .unwrap()
+    }
+}
+
+pub fn get_token() -> &'static str {
+    unsafe { std::ffi::CStr::from_ptr(ra_get_token()).to_str().unwrap() }
+}
+
+pub fn state_size() -> usize {
+    unsafe { ra_state_size() }
+}
+
+pub fn save_state(state: *mut u8) {
+    unsafe { ra_save_state(state) };
+}
+
+pub fn load_state(state: *const u8) {
+    unsafe { ra_load_state(state) };
+}

src/savestates.rs

@@ -1,4 +1,4 @@
-use crate::{cheats, device, ui};
+use crate::{cheats, device, retroachievements, ui};
 #[cfg(target_arch = "aarch64")]
 use device::__m128i;
 use serde::de::{Deserialize, Deserializer, SeqAccess, Visitor};
@@ -73,6 +73,9 @@ pub fn create_savestate(device: &device::Device) {
     let mut rdp_state: Vec<u8> = vec![0; ui::video::state_size()];
     ui::video::save_state(rdp_state.as_mut_ptr());
 
+    let mut ra_state: Vec<u8> = vec![0; retroachievements::state_size()];
+    retroachievements::save_state(ra_state.as_mut_ptr());
+
     let data: &[(&[u8], &str)] = &[
         (&postcard::to_stdvec(device).unwrap(), "device"),
         (
@@ -80,6 +83,7 @@ pub fn create_savestate(device: &device::Device) {
             "saves",
         ),
         (&rdp_state, "rdp_state"),
+        (&ra_state, "ra_state"),
     ];
     let save_path = device.ui.storage.paths.savestate_file_path.clone();
     let compressed_file = ui::storage::compress_file(data);
@@ -101,6 +105,7 @@ pub fn load_savestate(device: &mut device::Device) {
         let device_bytes = ui::storage::decompress_file(savestate, "device");
         let save_bytes = ui::storage::decompress_file(savestate, "saves");
         let rdp_state = ui::storage::decompress_file(savestate, "rdp_state");
+        let ra_state = ui::storage::decompress_file(savestate, "ra_state");
         if let Ok(state) = postcard::from_bytes::<device::Device>(&device_bytes) {
             device.ui.storage.saves = postcard::from_bytes(&save_bytes).unwrap();
 
@@ -198,6 +203,8 @@ pub fn load_savestate(device: &mut device::Device) {
             ui::audio::init_game_audio(&mut device.ui, device.ai.freq);
             ui::video::load_state(device, rdp_state.as_ptr());
 
+            retroachievements::load_state(ra_state.as_ptr());
+
             if device.cheats.enabled {
                 cheats::execute_cheats(device, device.cheats.cheats.clone());
             }

src/ui/gui.rs

@@ -1,3 +1,4 @@
+use crate::retroachievements;
 use crate::ui;
 use slint::Model;
 
@@ -299,6 +300,7 @@ fn about_window(app: &AppWindow) {
 pub fn app_window() {
     let app = AppWindow::new().unwrap();
     about_window(&app);
+    retroachievements::ra_window(&app);
     let mut controller_paths;
     {
         let game_ui = ui::Ui::new();
@@ -321,6 +323,7 @@ pub fn run_rom(
     file_path: std::path::PathBuf,
     game_settings: GameSettings,
     netplay: Option<NetplayDevice>,
+    ra_hardcore: bool,
     weak: slint::Weak<AppWindow>,
 ) {
     tokio::spawn(async move {
@@ -347,6 +350,16 @@ pub fn run_rom(
                 "--cheats",
                 cheats_path.to_str().unwrap(),
             ]);
+        } else if retroachievements::is_user_logged_in() {
+            command.args([
+                "--ra-username",
+                retroachievements::get_username(),
+                "--ra-token",
+                retroachievements::get_token(),
+            ]);
+            if ra_hardcore {
+                command.args(["--ra-hardcore"]);
+            }
         }
 
         for i in 0..4 {
@@ -409,6 +422,7 @@ fn open_rom(app: &AppWindow) {
 
     let overclock = app.get_overclock_n64_cpu();
     let disable_expansion_pak = app.get_disable_expansion_pak();
+    let ra_hardcore = app.get_ra_hardcore();
 
     let weak = app.as_weak();
     tokio::spawn(async move {
@@ -439,6 +453,7 @@ fn open_rom(app: &AppWindow) {
                     load_savestate_slot: None,
                 },
                 None,
+                ra_hardcore,
                 weak,
             );
         }

src/ui/gui/appwindow.slint

@@ -2,9 +2,10 @@
 // SPDX-License-Identifier: MIT
 
 import { StandardButton } from "std-widgets.slint";
-import { LocalGame, ControllerConfig, Netplay, Cheats, Settings, About } from "pages.slint";
+import { LocalGame, ControllerConfig, Netplay, Cheats, RetroAchievements, Settings, About } from "pages.slint";
 import { SideBar } from "side_bar.slint";
 import { SettingsData } from "settings_page.slint";
+import { RAData } from "retroachievements_page.slint";
 import { AboutData } from "about_page.slint";
 import { ControllerData } from "controller_page.slint";
 import { State } from "localgame_page.slint";
@@ -34,8 +35,17 @@ export component AppWindow inherits Window {
     callback cheats_select_rom_clicked(string);
     callback cheats_clear_clicked;
     callback cheat_toggled(string, string, string, bool);
+    callback ra_button_clicked(string);
+    callback ra_games_clicked;
+    callback ra_toggled(bool,bool);
     in property version <=> AboutData.version;
     in property has_update <=> AboutData.has_update;
+    in-out property ra_username <=> RAData.ra_username;
+    in-out property ra_password <=> RAData.ra_password;
+    in-out property ra_logging_in <=> RAData.ra_logging_in;
+    in-out property ra_current_user_message <=> RAData.current_user_message;
+    in-out property ra_enabled <=> RAData.enabled;
+    in-out property ra_hardcore <=> RAData.hardcore;
     in-out property integer_scaling <=> SettingsData.integer_scaling;
     in-out property fullscreen <=> SettingsData.fullscreen;
     in-out property widescreen <=> SettingsData.widescreen;
@@ -71,6 +81,7 @@ export component AppWindow inherits Window {
                 @tr("Menu" => "Controller Config"),
                 @tr("Menu" => "Netplay"),
                 @tr("Menu" => "Cheats"),
+                @tr("Menu" => "RetroAchievements"),
                 @tr("Menu" => "Settings"),
                 @tr("Menu" => "About")
             ];
@@ -117,8 +128,19 @@ export component AppWindow inherits Window {
                 cheat_toggled(game_crc,cheat_name,option,enabled);
             }
         }
-        if(side-bar.current-item == 4): Settings { }
+        if(side-bar.current-item == 4): RetroAchievements {
-        if(side-bar.current-item == 5): About {
+            ra_button_clicked(password) => {
+                ra_button_clicked(password);
+            }
+            ra_toggled(enabled,hardcore) => {
+                ra_toggled(enabled,hardcore);
+            }
+            ra_games_clicked => {
+                ra_games_clicked();
+            }
+         }
+        if(side-bar.current-item == 5): Settings { }
+        if(side-bar.current-item == 6): About {
             wiki_button_clicked => {
                 wiki_button_clicked();
             }

src/ui/gui/pages.slint

@@ -2,5 +2,6 @@ export { LocalGame } from "localgame_page.slint";
 export { ControllerConfig } from "controller_page.slint";
 export { Netplay } from "netplay_page.slint";
 export { Cheats } from "cheat_page.slint";
+export { RetroAchievements } from "retroachievements_page.slint";
 export { Settings } from "settings_page.slint";
 export { About } from "about_page.slint";

src/ui/gui/retroachievements_page.slint

@@ -0,0 +1,105 @@
+// Copyright © SixtyFPS GmbH <info@slint.dev>
+// SPDX-License-Identifier: MIT
+
+import { LineEdit, CheckBox, Button, HorizontalBox, VerticalBox } from "std-widgets.slint";
+import { Page } from "page.slint";
+
+export global RAData {
+    in-out property <bool> enabled;
+    in-out property <bool> hardcore;
+    in-out property <bool> ra_logging_in;
+    in-out property <string> ra_username;
+    in-out property <string> ra_password;
+    in-out property <string> current_user_message;
+}
+
+export component RetroAchievements inherits Page {
+    callback ra_button_clicked(string);
+    callback ra_toggled(bool,bool);
+    callback ra_games_clicked;
+    title: @tr("RetroAchievements");
+
+    VerticalBox {
+        alignment: start;
+        HorizontalBox {
+            alignment: center;
+            CheckBox {
+                text: @tr("Enabled");
+                checked: RAData.enabled;
+                toggled => {
+                    RAData.enabled = self.checked;
+                    if (!RAData.enabled) {
+                        RAData.ra_username = "";
+                        username_widget.text = "";
+                        password_widget.text = "";
+                        RAData.current_user_message = "Not currently logged in";
+                    }
+                    ra_toggled(RAData.enabled,RAData.hardcore);
+                }
+            }
+        }
+        HorizontalBox {
+            alignment: center;
+            CheckBox {
+                text: @tr("Hardcore mode (not currently supported)");
+                checked: RAData.hardcore;
+                enabled: RAData.enabled;
+                toggled => {
+                    RAData.hardcore = self.checked;
+                    ra_toggled(RAData.enabled,RAData.hardcore);
+                }
+            }
+        }
+        HorizontalBox {
+            alignment: center;
+            Text {
+                text: RAData.current_user_message;
+            }
+        }
+        HorizontalBox {
+            alignment: center;
+            username_widget := LineEdit {
+                enabled: RAData.enabled;
+                placeholder-text: @tr("Username");
+                text: RAData.ra_username;
+                edited(text) => {
+                    RAData.ra_username = text;
+                }
+                
+            }
+            password_widget := LineEdit {
+                enabled: RAData.enabled;
+                input-type: password;
+                placeholder-text: @tr("Password");
+                edited(text) => {
+                    RAData.ra_password = text;
+                }
+            }
+        }
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("Login");
+                enabled: RAData.enabled && !RAData.ra_logging_in && RAData.ra_username != "" && RAData.ra_password != "";
+                clicked => {
+                    RAData.ra_logging_in = true;
+                    ra_button_clicked(RAData.ra_password);
+                    RAData.ra_password = "";
+                    password_widget.text = "";
+                }
+            }
+        }
+        Rectangle {
+            height: 20px;
+        }
+        HorizontalBox {
+            alignment: center;
+            Button {
+                text: @tr("View Supported Games");
+                clicked => {
+                    ra_games_clicked();
+                }
+            }
+        }
+    }
+}

src/ui/netplay.rs

@@ -121,10 +121,9 @@ fn populate_server_names<T: ComponentHandle + NetplayPages + 'static>(weak: slin
             .unwrap();
         broadcast_sock.set_broadcast(true).unwrap();
         let data: [u8; 1] = [1];
-        broadcast_sock
+        let _ = broadcast_sock
             .send_to(&data, (std::net::Ipv4Addr::BROADCAST, 45000))
-            .await
+            .await;
-            .unwrap();
         let mut buffer = [0; 1024];
         if let Ok(Ok(result)) = tokio::time::timeout(
             std::time::Duration::from_millis(200),
@@ -1108,6 +1107,7 @@ fn setup_wait_window(
                                         peer_addr: socket_addr,
                                         player_number: player_number as u8,
                                     }),
+                                    false,
                                     weak_app,
                                 );
                             })

src/ui/video.rs

@@ -1,6 +1,6 @@
 #![allow(non_snake_case)]
 include!(concat!(env!("OUT_DIR"), "/parallel_bindings.rs"));
-use crate::{device, ui};
+use crate::{device, retroachievements, ui};
 
 pub fn init(device: &mut device::Device) {
     ui::sdl_init(sdl3_sys::init::SDL_INIT_VIDEO);
@@ -140,6 +140,7 @@ pub fn pause_loop(frame_time: f64) {
     while paused && !frame_advance {
         std::thread::sleep(std::time::Duration::from_secs_f64(frame_time));
         unsafe { sdl3_sys::events::SDL_PumpEvents() };
+        retroachievements::do_idle();
         let callback = unsafe { rdp_check_callback() };
         paused = callback.paused;
         frame_advance = callback.frame_advance;
@@ -153,7 +154,7 @@ pub fn check_callback(device: &mut device::Device) -> (bool, bool) {
     if device.netplay.is_none() {
         if callback.save_state {
             device.save_state = true;
-        } else if callback.load_state {
+        } else if callback.load_state && !retroachievements::get_hardcore() {
             device.load_state = true;
         }
         if callback.reset_game {
@@ -175,7 +176,7 @@ pub fn check_callback(device: &mut device::Device) -> (bool, bool) {
     }
 
     if device.ui.storage.save_state_slot != callback.save_state_slot {
-        ui::video::onscreen_message(
+        onscreen_message(
             &device.ui,
             &format!("Switching savestate slot to {}", callback.save_state_slot,),
         );