Remove hardcoded initial zone, derive it from selected City-State

This currently might spawn you in the ground in Ul'dah and probably Limsa too,
until I determine the correct spawn location.

src/bin/kawari-world.rs

@@ -1,7 +1,8 @@
 use std::sync::Arc;
 
 use kawari::common::custom_ipc::{CustomIpcData, CustomIpcSegment, CustomIpcType};
-use kawari::common::{get_citystate, get_world_name};
+use kawari::common::timestamp_secs;
+use kawari::common::{determine_initial_starting_zone, get_citystate, get_world_name};
 use kawari::config::get_config;
 use kawari::lobby::CharaMake;
 use kawari::oodle::OodleNetwork;
@@ -21,7 +22,6 @@ use kawari::world::{
     },
 };
 use kawari::world::{PlayerData, WorldDatabase};
-use kawari::{ZONE_ID, common::timestamp_secs};
 use physis::common::{Language, Platform};
 use physis::gamedata::GameData;
 use tokio::io::AsyncReadExt;
@@ -59,7 +59,7 @@ async fn main() {
             state,
             player_data: PlayerData::default(),
             spawn_index: 0,
-            zone: Zone::load(ZONE_ID),
+            zone: None,
         };
 
         tokio::spawn(async move {
@@ -238,11 +238,17 @@ async fn main() {
                                                 .await;
                                         }
 
+                                        let chara_details = database
+                                            .find_chara_make(connection.player_data.content_id);
+
+                                        let zone_id = determine_initial_starting_zone(
+                                            chara_details.city_state,
+                                        );
+
+                                        connection.zone = Some(Zone::load(zone_id));
+
                                         // Player Setup
                                         {
-                                            let chara_details = database
-                                                .find_chara_make(connection.player_data.content_id);
-
                                             let ipc = ServerZoneIpcSegment {
                                                 op_code: ServerZoneIpcType::PlayerSetup,
                                                 timestamp: timestamp_secs(),
@@ -283,7 +289,7 @@ async fn main() {
                                                 .await;
                                         }
 
-                                        connection.change_zone(ZONE_ID).await;
+                                        connection.change_zone(zone_id).await;
 
                                         // send welcome message
                                         {
@@ -424,7 +430,11 @@ async fn main() {
                                                                 content_id: connection
                                                                     .player_data
                                                                     .content_id,
-                                                                zone_id: connection.zone.id,
+                                                                zone_id: connection
+                                                                    .zone
+                                                                    .as_ref()
+                                                                    .unwrap()
+                                                                    .id,
                                                                 zone_id1: 0x0100,
                                                                 class_job: 36,
                                                                 level: 100,
@@ -575,6 +585,8 @@ async fn main() {
                                         {
                                             let (_, exit_box) = connection
                                                 .zone
+                                                .as_ref()
+                                                .unwrap()
                                                 .find_exit_box(*exit_box_id)
                                                 .unwrap();
                                             tracing::info!("exit box: {:#?}", exit_box);

src/common/mod.rs

@@ -83,3 +83,16 @@ pub fn get_citystate(classjob_id: u16) -> u8 {
 
     *town_id
 }
+
+/// Gets the initial zone for a given city-state id
+pub fn determine_initial_starting_zone(citystate_id: u8) -> u16 {
+    match citystate_id {
+        // Limsa
+        1 => 128,
+        // Gridania
+        2 => 132,
+        // Ul'dah
+        3 => 130,
+        _ => panic!("This is not a valid city-state id!"),
+    }
+}

src/lib.rs

@@ -26,10 +26,6 @@ pub mod packet;
 /// Logic server-specific code.
 pub mod login;
 
-/// The zone ID you initially spawn in.
-/// See the TerritoryType excel sheet for a list of possible IDs.
-pub const ZONE_ID: u16 = 132;
-
 pub const INVALID_OBJECT_ID: u32 = 0xE0000000;
 
 /// Maxmimum length of a character's name.

src/world/connection.rs

@@ -30,7 +30,7 @@ pub struct ZoneConnection {
     pub state: PacketState,
     pub player_data: PlayerData,
 
-    pub zone: Zone,
+    pub zone: Option<Zone>,
     pub spawn_index: u8,
 }
 
@@ -77,7 +77,7 @@ impl ZoneConnection {
     }
 
     pub async fn change_zone(&mut self, new_zone_id: u16) {
-        self.zone = Zone::load(new_zone_id);
+        self.zone = Some(Zone::load(new_zone_id));
 
         // Player Class Info
         {
@@ -128,7 +128,7 @@ impl ZoneConnection {
                 timestamp: timestamp_secs(),
                 data: ServerZoneIpcData::InitZone(InitZone {
                     server_id: 0,
-                    zone_id: self.zone.id,
+                    zone_id: self.zone.as_ref().unwrap().id,
                     weather_id: 1,
                     ..Default::default()
                 }),

src/world/database.rs

@@ -2,10 +2,7 @@ use std::sync::Mutex;
 
 use rusqlite::Connection;
 
-use crate::{
-    ZONE_ID,
-    lobby::{CharaMake, ClientSelectData, ipc::CharacterDetails},
-};
+use crate::lobby::{CharaMake, ClientSelectData, ipc::CharacterDetails};
 
 use super::PlayerData;
 
@@ -121,7 +118,7 @@ impl WorldDatabase {
                     guardian: chara_make.guardian,
                     unk8: 0,
                     unk9: 0,
-                    zone_id: ZONE_ID as i32,
+                    zone_id: 130 as i32,
                     unk11: 0,
                     customize: chara_make.customize,
                     unk12: 0,