CNCB5.0.50 sound fix and censorship patch

src/lib.rs

@@ -3,6 +3,7 @@
 use std::{sync::RwLock, time::Duration};
 
 use lazy_static::lazy_static;
+use modules::Misc;
 use windows::core::PCSTR;
 use windows::Win32::System::Console;
 use windows::Win32::System::SystemServices::DLL_PROCESS_ATTACH;
@@ -23,12 +24,13 @@ unsafe fn thread_func() {
     util::disable_memprotect_guard();
     Console::AllocConsole().unwrap();
 
-    println!("Genshin Impact encryption patch\nMade by xeondev\nTo work with MualaniImpact: git.xeondev.com/reversedrooms/MualaniImpact");
+    println!("Genshin Impact encryption patch\nMade by xeondev\nTo work with XilonenImpact: git.xeondev.com/reversedrooms/XilonenImpact");
     println!("Base: {:X}", base);
 
     let mut module_manager = MODULE_MANAGER.write().unwrap();
     module_manager.enable(MhyContext::<Http>::new(base));
     module_manager.enable(MhyContext::<Security>::new(base));
+    module_manager.enable(MhyContext::<Misc>::new(base));
 
     println!("Successfully initialized!");
 }

src/modules/http.rs

@@ -48,10 +48,12 @@ unsafe extern "win64" fn on_make_initial_url(reg: *mut Registers, _: usize) {
         new_url.push_str(s);
     });
 
+    if !url.contains("/query_cur_region") {
         println!("Redirect: {url} -> {new_url}");
         (*reg).rcx =
             marshal::ptr_to_string_ansi(CString::new(new_url.as_str()).unwrap().as_c_str()) as u64;
     }
+}
 
 unsafe extern "win64" fn on_browser_load_url(reg: *mut Registers, _: usize) {
     let str_length = *((*reg).rdx.wrapping_add(16) as *const u32);

src/modules/misc.rs

@@ -0,0 +1,52 @@
+use std::ffi::CStr;
+
+use super::{MhyContext, MhyModule, ModuleType};
+use anyhow::Result;
+use ilhook::x64::Registers;
+use windows::{core::PCSTR, Win32::System::LibraryLoader::GetModuleHandleA};
+
+pub struct Misc;
+
+const DYNAMIC_IMPORT: usize = 0x3F5240;
+const SET_CUSTOM_PROPERTY_FLOAT: usize = 0x11E1880;
+
+impl MhyModule for MhyContext<Misc> {
+    unsafe fn init(&mut self) -> Result<()> {
+        // CNCBWin5.0.50 sound fix
+        self.interceptor
+            .attach(self.assembly_base + DYNAMIC_IMPORT, on_dynamic_import)?;
+
+        // Dither
+        self.interceptor.replace(
+            self.assembly_base + SET_CUSTOM_PROPERTY_FLOAT,
+            set_custom_property_float_replacement,
+        )
+    }
+
+    unsafe fn de_init(&mut self) -> Result<()> {
+        Ok(())
+    }
+
+    fn get_module_type(&self) -> super::ModuleType {
+        ModuleType::Misc
+    }
+}
+
+unsafe extern "win64" fn on_dynamic_import(reg: *mut Registers, _: usize) {
+    let symbol_name_ptr = *((*reg).rcx.wrapping_add(16) as *const usize);
+    let symbol_name = CStr::from_ptr(symbol_name_ptr as *const i8);
+
+    // Hoyo forgot to package updated sound library and that's the missing export
+    if symbol_name.to_string_lossy() == "GetMusicSyncCallbackInfoPlayingSeq" {
+        let base = GetModuleHandleA(PCSTR::null()).unwrap().0 as usize;
+        *((*reg).rcx.wrapping_add(16) as *mut usize) = base + 0x2F6CD04;
+    }
+}
+
+unsafe extern "win64" fn set_custom_property_float_replacement(
+    _: *mut Registers,
+    _: usize,
+    _: usize,
+) -> usize {
+    0
+}

src/modules/mod.rs

@@ -5,9 +5,11 @@ use anyhow::Result;
 use crate::interceptor::Interceptor;
 
 mod http;
+mod misc;
 mod security;
 
 pub use http::Http;
+pub use misc::Misc;
 pub use security::Security;
 
 #[derive(Default)]
@@ -38,6 +40,7 @@ impl ModuleManager {
 pub enum ModuleType {
     Http,
     Security,
+    Misc,
 }
 
 pub trait MhyModule {