implement grinders

src/entity/item/weapon.rs

@@ -1479,7 +1479,8 @@ impl Weapon {
     }
 
     pub fn apply_modifier(&mut self, modifier: &WeaponModifier) {
-        if let WeaponModifier::Tekked{special, percent, grind} = modifier {
+        match modifier {
+            WeaponModifier::Tekked{special, percent, grind} => {
                 match special {
                     TekSpecialModifier::Plus => {
                         self.special = self.special.map(|special| {
@@ -1517,6 +1518,13 @@ impl Weapon {
                 }
                 self.grind = std::cmp::max(self.grind as i32 + grind, 0) as u8;
                 self.tekked = true;
+            },
+            WeaponModifier::AddGrind {amount, ..} => {
+                self.grind += *amount as u8;
+            },
+            WeaponModifier::AddPercents {..} => {
+                // TODO
+            }
         }
     }
 

src/ship/items/apply_item.rs

@@ -10,6 +10,7 @@ use crate::entity::item::mag::{MagCell, MagCellError};
 use crate::entity::item::tool::{Tool, ToolType};
 use crate::entity::item::tech::TechniqueDisk;
 use crate::entity::item::{ItemDetail, ItemEntityId};
+use crate::entity::item::weapon::WeaponModifier;
 use crate::ship::items::state::ItemStateProxy;
 use crate::ship::items::inventory::{InventoryItem, InventoryItemDetail};
 
@@ -34,7 +35,7 @@ pub enum ApplyItemError {
 pub enum ApplyItemAction {
     UpdateCharacter(Box<CharacterEntity>),
     CreateItem(ItemDetail),
-    //TransformItem,
+    //TransformItem(ItemDetail),
     //RemoveItem,
 }
 
@@ -241,6 +242,30 @@ fn jack_o_lantern() -> Result<Vec<ApplyItemAction>, anyhow::Error>
     Ok(vec![ApplyItemAction::CreateItem(ItemDetail::Tool(Tool {tool: mag_type}))])
 }
 
+async fn weapon_grind<'a, EG>(item_state: &mut ItemStateProxy,
+                              entity_gateway: &mut EG,
+                              character: &mut CharacterEntity,
+                              entity_id: ItemEntityId,
+                              grind: u32,)
+                              -> Result<Vec<ApplyItemAction>, anyhow::Error>
+where
+    EG: EntityGateway + ?Sized,
+{
+    let modifier = WeaponModifier::AddGrind {
+        amount: grind,
+        grinder: entity_id,
+    };
+
+    let mut inventory = item_state.inventory(&character.id).await?;
+    let (weapon_entity_id, weapon) = inventory.equipped_weapon_mut()
+        .ok_or(ApplyItemError::ItemNotEquipped)?;
+    weapon.apply_modifier(&modifier);
+    entity_gateway.add_weapon_modifier(&weapon_entity_id, &modifier).await?;
+    item_state.set_inventory(inventory).await;
+
+    Ok(Vec::new())
+}
+
 async fn apply_tool<'a, EG>(item_state: &mut ItemStateProxy,
                             entity_gateway: &mut EG,
                             character: &mut CharacterEntity,
@@ -271,6 +296,9 @@ where
         ToolType::Antidote => Ok(Vec::new()),
         ToolType::Antiparalysis => Ok(Vec::new()),
         ToolType::TrapVision => Ok(Vec::new()),
+        ToolType::Monogrinder => weapon_grind(item_state, entity_gateway, character, entity_id, 1).await,
+        ToolType::Digrinder => weapon_grind(item_state, entity_gateway, character, entity_id, 2).await,
+        ToolType::Trigrinder => weapon_grind(item_state, entity_gateway, character, entity_id, 3).await,
         ToolType::HuntersReport => Ok(Vec::new()),
         ToolType::CellOfMag502
             | ToolType::CellOfMag213

src/ship/items/inventory.rs

@@ -7,6 +7,7 @@ use std::future::Future;
 use crate::entity::character::CharacterEntityId;
 use crate::entity::item::tool::ToolType;
 use crate::entity::item::mag::Mag;
+use crate::entity::item::weapon::Weapon;
 use crate::ship::shops::{ShopItem, ArmorShopItem, ToolShopItem, WeaponShopItem};
 use crate::ship::items::state::ItemStateError;
 use crate::ship::items::state::{IndividualItemDetail, StackedItemDetail, AddItemResult};
@@ -453,6 +454,18 @@ impl InventoryState {
             .find(|(entity_id, _)| *entity_id == mag_id)
     }
 
+    pub fn equipped_weapon_mut(&mut self) -> Option<(ItemEntityId, &mut Weapon)> {
+        let weapon_id = self.equipped.weapon?;
+        self.inventory.0
+            .iter_mut()
+            .filter_map(|i| {
+                let individual = i.item.as_individual_mut()?;
+                let entity_id = individual.entity_id;
+                Some((entity_id, individual.as_weapon_mut()?))
+            })
+            .find(|(entity_id, _)| *entity_id == weapon_id)
+    }
+
     pub fn sort(&mut self, item_ids: &[ClientItemId]) {
         self.inventory.0.sort_by(|a, b| {
             let a_index = item_ids.iter().position(|item_id| *item_id == a.item_id);

src/ship/items/state.rs

@@ -91,6 +91,14 @@ impl IndividualItemDetail {
         }
     }
 
+    pub fn as_weapon_mut(&mut self) -> Option<&mut Weapon> {
+        match &mut self.item {
+            ItemDetail::Weapon(weapon) => Some(weapon),
+            _ => None
+        }
+    }
+
+
     pub fn as_client_bytes(&self) -> [u8; 16] {
         match &self.item {
             ItemDetail::Weapon(w) => w.as_bytes(),

tests/test_item_use.rs

@@ -312,22 +312,6 @@ async fn test_use_barta_1() {
 
     let (user1, char1) = new_user_character(&mut entity_gateway, "a1", "a", 1).await;
 
-    /*
-    let mut p1_inv = Vec::new();
-    for tool in vec![item::tool::ToolType::PowerMaterial, item::tool::ToolType::].into_iter() {
-        let mut item = Vec::new();
-        for _ in 0..5usize {
-            item.push(entity_gateway.create_item(
-                item::NewItemEntity {
-                    item: item::ItemDetail::Tool(
-                        item::tool::Tool {
-                            tool: tool
-                        }
-                    ),
-                }).await.unwrap());
-        }
-        p1_inv.push(item::InventoryItemEntity::Stacked(item));
-}*/
     let inv = vec![
         entity_gateway.create_item(
             item::NewItemEntity {
@@ -391,6 +375,76 @@ async fn test_use_barta_1() {
     assert!(char.techs.techs.get(&item::tech::Technique::Barta).is_none());
 }
 
+
+#[async_std::test]
+async fn test_use_monogrinder() {
+    let mut entity_gateway = InMemoryGateway::default();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a", 1).await;
+
+    let saber = entity_gateway.create_item(
+        item::NewItemEntity {
+            item: item::ItemDetail::Weapon(
+                item::weapon::Weapon {
+                    weapon: item::weapon::WeaponType::Saber,
+                    grind: 0,
+                    special: None,
+                    attrs: [None, None, None],
+                    tekked: true,
+                }
+            ),
+        }).await.unwrap();
+
+    let mut grinders = Vec::new();
+    for _ in 0..3usize {
+        grinders.push(entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monogrinder,
+                    }
+                ),
+            }).await.unwrap());
+    }
+
+    let equipped = item::EquippedEntity {
+        weapon: Some(saber.id),
+        armor: None,
+        shield: None,
+        unit: [None; 4],
+        mag: None,
+    };
+    entity_gateway.set_character_equips(&char1.id, &equipped).await.unwrap();
+    entity_gateway.set_character_inventory(&char1.id, &item::InventoryEntity::new(vec![item::InventoryItemEntity::Individual(saber),
+                                                                                       item::InventoryItemEntity::Stacked(grinders)])).await.unwrap();
+
+    let mut ship = Box::new(ShipServerState::builder()
+        .gateway(entity_gateway.clone())
+        .build());
+    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
+    join_lobby(&mut ship, ClientId(1)).await;
+    create_room(&mut ship, ClientId(1), "room", "").await;
+
+    ship.handle(ClientId(1), RecvShipPacket::Message(Message::new(GameMessage::PlayerUseItem(PlayerUseItem {
+        client: 0,
+        target: 0,
+        item_id: 0x10001,
+    })))).await.unwrap();
+
+    ship.handle(ClientId(1), RecvShipPacket::Message(Message::new(GameMessage::PlayerUseItem(PlayerUseItem {
+        client: 0,
+        target: 0,
+        item_id: 0x10001,
+    })))).await.unwrap();
+
+    let inventory_items = entity_gateway.get_character_inventory(&char1.id).await.unwrap();
+    assert_eq!(inventory_items.items.len(), 2);
+
+    assert!(matches!(inventory_items.items[0], item::InventoryItemEntity::Individual(item::ItemEntity{ item: item::ItemDetail::Weapon(item::weapon::Weapon {grind: 2, ..}), ..})));
+}
+
+
+
 // TODO: tests for ALL ITEMS WOW
 
 /*