Begin working on a navimesh generation tool

This just lays the groundwork for processing a zone, given an ID.

src/bin/kawari-navimesh.rs

@@ -0,0 +1,39 @@
+use icarus::TerritoryType::TerritoryTypeSheet;
+use kawari::config::get_config;
+use physis::{
+    common::{Language, Platform},
+    lvb::Lvb,
+    resource::{Resource, SqPackResource},
+};
+
+fn main() {
+    tracing_subscriber::fmt::init();
+
+    let config = get_config();
+
+    let args: Vec<String> = std::env::args().collect();
+    let zone_id: u16 = args[1].parse().unwrap();
+
+    tracing::info!("Generating navmesh for zone {zone_id}!");
+
+    let mut sqpack_resource =
+        SqPackResource::from_existing(Platform::Win32, &config.filesystem.game_path);
+    let sheet = TerritoryTypeSheet::read_from(&mut sqpack_resource, Language::None).unwrap();
+    let Some(row) = sheet.get_row(zone_id as u32) else {
+        tracing::error!("Invalid zone id {zone_id}!");
+        return;
+    };
+
+    // e.g. ffxiv/fst_f1/fld/f1f3/level/f1f3
+    let bg_path = row.Bg().into_string().unwrap();
+
+    let path = format!("bg/{}.lvb", &bg_path);
+    let lvb_file = sqpack_resource.read(&path).unwrap();
+    let lvb = Lvb::from_existing(&lvb_file).unwrap();
+
+    for path in &lvb.scns[0].header.path_layer_group_resources {
+        if path.contains("bg.lgb") {
+            tracing::info!("Processing {path}");
+        }
+    }
+}