Finish implementing currency

I made various mistakes in the initial implementation, which
are now fixed.

resources/opcodes.json

@@ -173,7 +173,7 @@
         {
             "name": "CurrencyCrystalInfo",
             "opcode": 548,
-            "size": 32
+            "size": 24
         }
     ],
     "ClientZoneIpcType": [

src/inventory/currency.rs

@@ -21,7 +21,7 @@ impl Storage for CurrencyStorage {
     }
 
     fn num_items(&self) -> u32 {
-        self.gil.quantity
+        1
     }
 
     fn get_slot_mut(&mut self, index: u16) -> &mut Item {

src/inventory/mod.rs

@@ -88,7 +88,7 @@ impl<'a> Iterator for InventoryIterator<'a> {
         let curr = self.curr;
         self.curr += 1;
 
-        if curr >= 17 {
+        if curr >= 18 {
             return None;
         }
 
@@ -115,6 +115,9 @@ impl<'a> Iterator for InventoryIterator<'a> {
 
             // equipped
             16 => ContainerType::Equipped,
+
+            // currency
+            17 => ContainerType::Currency,
             _ => panic!("Inventory iterator invalid!"),
         };
 

src/inventory/storage.rs

@@ -2,6 +2,7 @@ use binrw::binrw;
 
 use super::Item;
 
+/// When adding a new container type, make sure to add it to InventoryIterator
 #[binrw]
 #[brw(little)]
 #[brw(repr = u16)]

src/ipc/zone/currency_info.rs

@@ -1,11 +1,13 @@
 use binrw::binrw;
 
+use crate::inventory::ContainerType;
+
 #[binrw]
 #[brw(little)]
 #[derive(Debug, Clone, Default)]
 pub struct CurrencyInfo {
     pub sequence: u32,
-    pub container: u16,
+    pub container: ContainerType,
     pub slot: u16,
     pub quantity: u32,
     pub unk1: u32,

src/world/connection.rs

@@ -487,16 +487,16 @@ impl ZoneConnection {
         for (container_type, container) in &self.player_data.inventory.clone() {
             // currencies
             if container_type == ContainerType::Currency {
-                let mut send_currency = async |slot_index: u16, item: &Item| {
+                let mut send_currency = async |item: &Item| {
                     let ipc = ServerZoneIpcSegment {
                         op_code: ServerZoneIpcType::CurrencyCrystalInfo,
                         timestamp: timestamp_secs(),
                         data: ServerZoneIpcData::CurrencyCrystalInfo(CurrencyInfo {
                             sequence,
-                            container: item.id as u16,
-                            slot: slot_index,
+                            container: container_type,
                             quantity: item.quantity,
                             catalog_id: item.id,
+                            unk1: 1,
                             ..Default::default()
                         }),
                         ..Default::default()
@@ -512,7 +512,7 @@ impl ZoneConnection {
                 };
 
                 for i in 0..container.max_slots() {
-                    send_currency(i as u16, container.get_slot(i as u16)).await;
+                    send_currency(container.get_slot(i as u16)).await;
                 }
             } else {
                 // items

src/world/lua.rs

@@ -225,11 +225,14 @@ impl LuaPlayer {
 
 impl UserData for LuaPlayer {
     fn add_methods<M: UserDataMethods<Self>>(methods: &mut M) {
-        methods.add_method_mut("send_message", |lua, this, (message, param): (String, Value)| {
+        methods.add_method_mut(
+            "send_message",
+            |lua, this, (message, param): (String, Value)| {
                 let param: u8 = lua.from_value(param).unwrap_or(0);
                 this.send_message(&message, param);
                 Ok(())
-        });
+            },
+        );
         methods.add_method_mut(
             "give_status_effect",
             |_, this, (effect_id, duration): (u16, f32)| {