Add tavern-show-all-sailors mod

.github/workflows/nightly.yml

@@ -9,7 +9,6 @@ jobs:
     - uses: actions/checkout@v4
     - run: rustup target add i686-pc-windows-msvc
     - run: cargo build
-    - run: Compress-Archive -Path ./target/i686-pc-windows-msvc/debug -DestinationPath release.zip
     - uses: actions/upload-artifact@v4
       with:
         path: |

.github/workflows/release.yml

@@ -15,6 +15,7 @@ jobs:
     - run: |
         mkdir mods
         mv target/i686-pc-windows-msvc/release/scrollmap_render_all_ships.dll ./mods/
+        mv target/i686-pc-windows-msvc/release/tavern_show_all_sailors.dll ./mods/
         mkdir files
         mv target/i686-pc-windows-msvc/release/aimcli.exe ./files
         mv target/i686-pc-windows-msvc/release/cprcli.exe ./files

Cargo.toml

@@ -4,7 +4,7 @@ resolver = "2"
 members = [
     "aimcli",
     "cprcli",
-    "mod-scrollmap-render-all-ships",
+    "mod-scrollmap-render-all-ships", "mod-tavern-show-all-sailors",
     #"p3-agent",
     "p3-agent-loader",
     "p3-aim",

mod-tavern-show-all-sailors/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "mod-tavern-show-all-sailors"
+edition = "2021"
+version.workspace = true
+
+[lib]
+crate-type = ["cdylib"]
+name="tavern_show_all_sailors"
+
+[dependencies]
+p3-api = { path = "../p3-api" }
+log = { workspace = true }
+win_dbg_logger = { workspace = true }
+
+[dependencies.windows]
+version = "0.48"
+features = [
+    "Win32_Foundation",
+    "Win32_System_Memory",
+]

mod-tavern-show-all-sailors/src/ffi.rs

@@ -0,0 +1,32 @@
+use log::{debug, error};
+use windows::Win32::{
+    Foundation::{GetLastError, WIN32_ERROR},
+    System::Memory::{VirtualProtect, PAGE_EXECUTE_READWRITE, PAGE_PROTECTION_FLAGS},
+};
+
+const PATCH_ADDRESS: u32 = 0x005D4CD6;
+
+#[no_mangle]
+pub unsafe extern "C" fn start() -> u32 {
+    let _ = log::set_logger(&win_dbg_logger::DEBUGGER_LOGGER);
+    log::set_max_level(log::LevelFilter::Trace);
+    let patch_ptr: *mut u8 = PATCH_ADDRESS as _;
+
+    let mut old_flags: PAGE_PROTECTION_FLAGS = windows::Win32::System::Memory::PAGE_PROTECTION_FLAGS(0);
+    if !VirtualProtect(patch_ptr as _, 5, PAGE_EXECUTE_READWRITE, &mut old_flags).as_bool() {
+        let error: WIN32_ERROR = GetLastError();
+        error!("VirtualProtect PAGE_EXECUTE_READWRITE failed: {:?}", error);
+        return 1;
+    }
+
+    debug!("Patching comparison at {:#x}", PATCH_ADDRESS);
+    *patch_ptr = 0x64;
+
+    if !VirtualProtect(patch_ptr as _, 5, old_flags, &mut old_flags).as_bool() {
+        let error: WIN32_ERROR = GetLastError();
+        error!("VirtualProtect restore failed: {:?}", error);
+        return 2;
+    }
+
+    0
+}

mod-tavern-show-all-sailors/src/lib.rs

@@ -0,0 +1 @@
+pub(crate) mod ffi;