Allow unequipping items, add packet for updating equipped model ids

The unequipped item currently disappears into the aether, but this
works now!

resources/opcodes.json

@@ -149,6 +149,11 @@
             "name": "ActionResult",
             "opcode": 508,
             "size": 124
+        },
+        {
+            "name": "Equip",
+            "opcode": 468,
+            "size": 72
         }
     ],
     "ClientZoneIpcType": [
@@ -260,7 +265,7 @@
         {
             "name": "InventoryModify",
             "opcode": 564,
-            "size": 112
+            "size": 48
         }
     ],
     "ServerLobbyIpcType": [

src/bin/kawari-world.rs

@@ -19,8 +19,8 @@ use kawari::world::ipc::{
     ServerZoneIpcData, ServerZoneIpcSegment, SocialListRequestType,
 };
 use kawari::world::{
-    Actor, ClientHandle, ClientId, EffectsBuilder, FromServer, LuaPlayer, PlayerData, ServerHandle,
-    StatusEffects, ToServer, WorldDatabase,
+    Actor, ClientHandle, ClientId, EffectsBuilder, FromServer, Item, LuaPlayer, PlayerData,
+    ServerHandle, StatusEffects, ToServer, WorldDatabase,
 };
 use kawari::world::{
     ChatHandler, Inventory, Zone, ZoneConnection,
@@ -283,7 +283,7 @@ async fn client_loop(
                                         );
 
                                         // Send inventory
-                                        connection.send_inventory().await;
+                                        connection.send_inventory(false).await;
 
                                         // set chara gear param
                                         connection
@@ -815,6 +815,9 @@ async fn client_loop(
                                     }
                                     ClientZoneIpcData::InventoryModify(action) => {
                                         tracing::info!("Client is modifying inventory! {action:#?}");
+
+                                        connection.inventory.process_action(&action);
+                                        connection.send_inventory(true).await;
                                     }
                                 }
                             }

src/world/connection.rs

@@ -22,7 +22,7 @@ use super::{
     chat_handler::CUSTOMIZE_DATA,
     ipc::{
         ActorControlSelf, ActorMove, ActorSetPos, BattleNpcSubKind, ClientZoneIpcSegment,
-        CommonSpawn, ContainerInfo, ContainerType, InitZone, ItemInfo, NpcSpawn, ObjectKind,
+        CommonSpawn, ContainerInfo, ContainerType, Equip, InitZone, ItemInfo, NpcSpawn, ObjectKind,
         ServerZoneIpcData, ServerZoneIpcSegment, StatusEffect, StatusEffectList, UpdateClassInfo,
         WeatherChange,
     },
@@ -447,7 +447,7 @@ impl ZoneConnection {
         self.spawn_index
     }
 
-    pub async fn send_inventory(&mut self) {
+    pub async fn send_inventory(&mut self, send_appearance_update: bool) {
         // item list
         {
             let equipped = self.inventory.equipped;
@@ -510,6 +510,46 @@ impl ZoneConnection {
             })
             .await;
         }
+
+        // send them an appearance update
+        if send_appearance_update {
+            let ipc;
+            {
+                let mut game_data = self.gamedata.lock().unwrap();
+                let equipped = &self.inventory.equipped;
+
+                ipc = ServerZoneIpcSegment {
+                    op_code: ServerZoneIpcType::Equip,
+                    timestamp: timestamp_secs(),
+                    data: ServerZoneIpcData::Equip(Equip {
+                        main_weapon_id: 0,
+                        sub_weapon_id: 0,
+                        crest_enable: 0,
+                        pattern_invalid: 0,
+                        model_ids: [
+                            game_data.get_primary_model_id(equipped.head.id) as u32,
+                            game_data.get_primary_model_id(equipped.body.id) as u32,
+                            game_data.get_primary_model_id(equipped.hands.id) as u32,
+                            game_data.get_primary_model_id(equipped.legs.id) as u32,
+                            game_data.get_primary_model_id(equipped.feet.id) as u32,
+                            game_data.get_primary_model_id(equipped.ears.id) as u32,
+                            game_data.get_primary_model_id(equipped.neck.id) as u32,
+                            game_data.get_primary_model_id(equipped.wrists.id) as u32,
+                            game_data.get_primary_model_id(equipped.left_ring.id) as u32,
+                            game_data.get_primary_model_id(equipped.right_ring.id) as u32,
+                        ],
+                    }),
+                    ..Default::default()
+                };
+            }
+
+            self.send_segment(PacketSegment {
+                source_actor: self.player_data.actor_id,
+                target_actor: self.player_data.actor_id,
+                segment_type: SegmentType::Ipc { data: ipc },
+            })
+            .await;
+        }
     }
 
     pub async fn send_message(&mut self, message: &str) {

src/world/inventory.rs

@@ -5,6 +5,8 @@ use physis::{
 
 use crate::config::get_config;
 
+use super::ipc::InventoryModify;
+
 #[derive(Default, Copy, Clone)]
 pub struct Item {
     pub quantity: u32,
@@ -111,4 +113,29 @@ impl Inventory {
         self.equipped.right_ring = Item::new(1, 0x0000114a);
         self.equipped.left_ring = Item::new(1, 0x00003b1d);
     }
+
+    pub fn process_action(&mut self, action: &InventoryModify) {
+        // equipped
+        if action.src_storage_id == 1000 {
+            let slot = match action.src_container_index {
+                0 => &mut self.equipped.main_hand,
+                1 => &mut self.equipped.off_hand,
+                2 => &mut self.equipped.head,
+                3 => &mut self.equipped.body,
+                4 => &mut self.equipped.hands,
+                6 => &mut self.equipped.legs,
+                7 => &mut self.equipped.feet,
+                8 => &mut self.equipped.ears,
+                9 => &mut self.equipped.neck,
+                10 => &mut self.equipped.wrists,
+                11 => &mut self.equipped.right_ring,
+                12 => &mut self.equipped.left_ring,
+                13 => &mut self.equipped.soul_crystal,
+                _ => panic!("Not a valid src_container_index?!?"),
+            };
+
+            // it only unequips for now, doesn't move the item
+            *slot = Item::default();
+        }
+    }
 }

src/world/ipc/equip.rs

@@ -0,0 +1,48 @@
+use binrw::binrw;
+
+#[binrw]
+#[brw(little)]
+#[derive(Debug, Clone, Default)]
+pub struct Equip {
+    pub main_weapon_id: u64,
+    pub sub_weapon_id: u64,
+    pub crest_enable: u8,
+    #[brw(pad_before = 1)]
+    pub pattern_invalid: u16,
+    #[brw(pad_after = 12)]
+    pub model_ids: [u32; 10],
+}
+
+#[cfg(test)]
+mod tests {
+    use std::{fs::read, io::Cursor, path::PathBuf};
+
+    use binrw::BinRead;
+
+    use super::*;
+
+    #[test]
+    fn read_containerinfo() {
+        let mut d = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+        d.push("resources/tests/equip.bin");
+
+        let buffer = read(d).unwrap();
+        let mut buffer = Cursor::new(&buffer);
+
+        let equip = Equip::read_le(&mut buffer).unwrap();
+        assert_eq!(equip.main_weapon_id, 4297785545);
+        assert_eq!(equip.sub_weapon_id, 0);
+        assert_eq!(equip.crest_enable, 0);
+        assert_eq!(equip.pattern_invalid, 1);
+        assert_eq!(equip.model_ids[0], 0);
+        assert_eq!(equip.model_ids[1], 0);
+        assert_eq!(equip.model_ids[2], 131156);
+        assert_eq!(equip.model_ids[3], 131156);
+        assert_eq!(equip.model_ids[4], 131156);
+        assert_eq!(equip.model_ids[5], 131073);
+        assert_eq!(equip.model_ids[6], 131073);
+        assert_eq!(equip.model_ids[7], 131073);
+        assert_eq!(equip.model_ids[8], 0);
+        assert_eq!(equip.model_ids[9], 131073);
+    }
+}

src/world/ipc/inventory_modify.rs

@@ -3,21 +3,20 @@ use binrw::binrw;
 #[binrw]
 #[derive(Debug, Clone, Default)]
 pub struct InventoryModify {
-    context_id: u32,
-    operation_type: u8,
+    pub context_id: u32,
+    pub operation_type: u8,
     #[brw(pad_before = 3)]
-    src_actor_id: u32,
-    src_storage_id: u32,
-    src_container_index: i16,
+    pub src_actor_id: u32,
+    pub src_storage_id: u32,
+    pub src_container_index: i16,
     #[brw(pad_before = 4)]
-    src_stack: u32,
-    src_catalog_id: u32,
-    dst_actor_id: u32,
-    dst_storage_id: u32,
-    dst_container_index: i16,
-    #[brw(pad_before = 2)]
-    dst_stack: u32,
-    dst_catalog_id: u32,
+    pub src_stack: u32,
+    pub src_catalog_id: u32,
+    pub dst_actor_id: u32,
+    pub dst_storage_id: u32,
+    pub dst_container_index: i16,
+    pub dst_stack: u32,
+    pub dst_catalog_id: u32,
 }
 
 #[cfg(test)]

src/world/ipc/mod.rs

@@ -71,6 +71,9 @@ pub use actor_set_pos::ActorSetPos;
 mod inventory_modify;
 pub use inventory_modify::InventoryModify;
 
+mod equip;
+pub use equip::Equip;
+
 use crate::common::Position;
 use crate::common::read_string;
 use crate::common::write_string;
@@ -207,6 +210,8 @@ pub enum ServerZoneIpcData {
     },
     /// Sent to inform the client the consequences of their actions
     ActionResult(ActionResult),
+    /// Sent to to the client to update their appearance
+    Equip(Equip),
 }
 
 #[binrw]
@@ -458,6 +463,10 @@ mod tests {
                 ServerZoneIpcType::ActionResult,
                 ServerZoneIpcData::ActionResult(ActionResult::default()),
             ),
+            (
+                ServerZoneIpcType::Equip,
+                ServerZoneIpcData::Equip(Equip::default()),
+            ),
         ];
 
         for (opcode, data) in &ipc_types {