Initialize the weather correctly, add test for InitZone packet

This makes the lighting not a horrible dark mess!

src/bin/kawari-world.rs

@@ -435,6 +435,7 @@ async fn main() {
                                                 data: IPCStructData::InitZone(InitZone {
                                                     server_id: WORLD_ID,
                                                     zone_id: ZONE_ID,
+                                                    weather_id: 1,
                                                     ..Default::default()
                                                 }),
                                             };

src/world/init_zone.rs

@@ -11,7 +11,9 @@ pub struct InitZone {
     pub content_finder_condition_id: u16,
     pub layer_set_id: u32,
     pub layout_id: u32,
-    pub weather_id: u32,
+    #[br(dbg)]
+    pub weather_id: u16,
+    pub unk_really: u16,
     pub unk_bitmask1: u8,
     pub unk_bitmask2: u8,
     pub unk1: u8,
@@ -23,7 +25,33 @@ pub struct InitZone {
     pub unk5: u32,
     pub unk6: [u32; 4],
     pub unk7: [u32; 3],
+    pub unk8_9: [u8; 9],
     pub position: Position,
     pub unk8: [u32; 4],
     pub unk9: u32,
 }
+
+#[cfg(test)]
+mod tests {
+    use std::{fs::read, io::Cursor, path::PathBuf};
+
+    use binrw::BinRead;
+
+    use super::*;
+
+    #[test]
+    fn read_init_zone() {
+        let mut d = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+        d.push("resources/tests/init_zone.bin");
+
+        let buffer = read(d).unwrap();
+        let mut buffer = Cursor::new(&buffer);
+
+        let init_zone = InitZone::read_le(&mut buffer).unwrap();
+        assert_eq!(init_zone.zone_id, 182);
+        assert_eq!(init_zone.weather_id, 2);
+        assert_eq!(init_zone.position.x, 40.519722);
+        assert_eq!(init_zone.position.y, 4.0);
+        assert_eq!(init_zone.position.z, -150.33124);
+    }
+}