inital drop test

src/ship/drops/mod.rs

@@ -6,7 +6,7 @@
 
 
 mod drop_table;
-mod rare_drop_table;
+pub mod rare_drop_table;
 mod generic_weapon;
 mod generic_armor;
 mod generic_shield;
@@ -141,6 +141,20 @@ impl DropTable {
         }
     }
 
+    pub fn builder() -> DropTableBuilder {
+        DropTableBuilder {
+            monster_stats: None,
+            rare_table: None,
+            weapon_table: None,
+            armor_table: None,
+            shield_table: None,
+            unit_table: None,
+            tool_table: None,
+            box_table: None,
+            rng: None,
+        }
+    }
+
     fn generate_meseta(&mut self, monster: &MonsterDropStats) -> Option<ItemDropType> {
         Some(ItemDropType::Meseta(self.rng.gen_range(monster.min_meseta, monster.max_meseta + 1)))
     }
@@ -189,6 +203,66 @@ impl DropTable {
 }
 
 
+pub struct DropTableBuilder {
+    monster_stats: Option<HashMap<MonsterType, MonsterDropStats>>,
+    rare_table: Option<RareDropTable>,
+    weapon_table: Option<GenericWeaponTable>,
+    armor_table: Option<GenericArmorTable>,
+    shield_table: Option<GenericShieldTable>,
+    unit_table: Option<GenericUnitTable>,
+    tool_table: Option<ToolTable>,
+    box_table: Option<BoxDropTable>,
+    rng: Option<rand_chacha::ChaCha20Rng>,
+}
+
+// TODO: add the rest of these later I just need these ones right now
+impl DropTableBuilder {
+    #[must_use]
+    pub fn monster_stats(mut self, monster_stats: HashMap<MonsterType, MonsterDropStats>) -> DropTableBuilder {
+        self.monster_stats = Some(monster_stats);
+        self
+    }
+
+    #[must_use]
+    pub fn monster_stat(mut self, monster_type: MonsterType, drop_stats: MonsterDropStats) -> DropTableBuilder {
+        match &mut self.monster_stats {
+            Some(monster_stats) => {
+                monster_stats.insert(monster_type, drop_stats);
+            },
+            None => {
+                let mut monster_stats = HashMap::default();
+                monster_stats.insert(monster_type, drop_stats);
+                self.monster_stats = Some(monster_stats);
+            }
+        }
+        self
+    }
+
+    #[must_use]
+    pub fn rare_table(mut self, rare_table: RareDropTable) -> DropTableBuilder {
+        self.rare_table = Some(rare_table);
+        self
+    }
+
+    pub fn build(self, episode: Episode, difficulty: Difficulty, section_id: SectionID) -> DropTable {
+        DropTable {
+            monster_stats: self.monster_stats.unwrap_or_else(|| {
+                let monster_stats: HashMap<String, MonsterDropStats> = load_data_file(episode, difficulty, section_id, "monster_dar.toml");
+                monster_stats.into_iter().map(|(m, s)| (m.parse().unwrap(), s)).collect()
+            }),
+            rare_table: self.rare_table.unwrap_or_else(|| RareDropTable::new(episode, difficulty, section_id)),
+            weapon_table: self.weapon_table.unwrap_or_else(|| GenericWeaponTable::new(episode, difficulty, section_id)),
+            armor_table: self.armor_table.unwrap_or_else(|| GenericArmorTable::new(episode, difficulty, section_id)),
+            shield_table: self.shield_table.unwrap_or_else(|| GenericShieldTable::new(episode, difficulty, section_id)),
+            unit_table: self.unit_table.unwrap_or_else(|| GenericUnitTable::new(episode, difficulty, section_id)),
+            tool_table: self.tool_table.unwrap_or_else(|| ToolTable::new(episode, difficulty, section_id)),
+            box_table: self.box_table.unwrap_or_else(|| BoxDropTable::new(episode, difficulty, section_id)),
+            rng: self.rng.unwrap_or_else(|| rand_chacha::ChaCha20Rng::from_entropy()),
+        }
+    }
+}
+
+
 #[cfg(test)]
 mod test {
     use super::*;

src/ship/drops/rare_drop_table.rs

@@ -50,9 +50,9 @@ impl RareDropItem {
 }
 
 
-struct RareDropRate {
-    rate: f32,
-    item: RareDropItem
+pub struct RareDropRate {
+    pub rate: f32,
+    pub item: RareDropItem
 }
 
 
@@ -71,11 +71,10 @@ pub struct RareDropTable {
     shield_stats: GenericShieldTable,
 }
 
-impl RareDropTable {
-    pub fn new(episode: Episode, difficulty: Difficulty, section_id: SectionID) -> RareDropTable {
+fn load_default_monster_rates(episode: Episode, difficulty: Difficulty, section_id: SectionID) -> HashMap<MonsterType, Vec<RareDropRate>> {
     let cfg: HashMap<String, Vec<RareDropConfigEntity>> = load_data_file(episode, difficulty, section_id, "rare_rate.toml");
 
-        let rates = cfg.into_iter()
+    cfg.into_iter()
         .map(|(monster, drops)| {
             let monster = monster.parse().unwrap();
             let drops = drops.into_iter().map(|drop| {
@@ -85,16 +84,28 @@ impl RareDropTable {
                 }
             }).collect();
             (monster, drops)
-            }).collect();
+        }).collect()
+}
 
+impl RareDropTable {
+    pub fn new(episode: Episode, difficulty: Difficulty, section_id: SectionID) -> RareDropTable {
         RareDropTable {
-            rates,
+            rates: load_default_monster_rates(episode, difficulty, section_id),
             attribute_table: AttributeTable::new(episode, difficulty, section_id),
             armor_stats: GenericArmorTable::new(episode, difficulty, section_id),
             shield_stats: GenericShieldTable::new(episode, difficulty, section_id),
         }
     }
 
+    pub fn builder() -> RareDropTableBuilder {
+        RareDropTableBuilder {
+            rates: None,
+            attribute_table: None,
+            armor_stats: None,
+            shield_stats: None,
+        }
+    }
+
     pub fn apply_item_stats<R: Rng>(&self, map_area: &MapArea, item: RareDropItem, rng: &mut R) -> ItemDropType {
         match item {
             RareDropItem::Weapon(weapon) => {
@@ -155,3 +166,46 @@ impl RareDropTable {
             })
     }
 }
+
+
+pub struct RareDropTableBuilder {
+    rates: Option<HashMap<MonsterType, Vec<RareDropRate>>>,
+    attribute_table: Option<AttributeTable>,
+    armor_stats: Option<GenericArmorTable>,
+    shield_stats: Option<GenericShieldTable>,
+}
+
+
+// TODO: add the rest of these later I just need these ones right now
+impl RareDropTableBuilder {
+    pub fn rates(mut self, rates: HashMap<MonsterType, Vec<RareDropRate>>) -> RareDropTableBuilder {
+        self.rates = Some(rates);
+        self
+    }
+
+    #[must_use]
+    pub fn rate(mut self, monster_type: MonsterType, drop_rate: RareDropRate) -> RareDropTableBuilder {
+        match &mut self.rates {
+            Some(rates) => {
+                rates.entry(monster_type)
+                    .or_insert(Vec::new())
+                    .push(drop_rate);
+            },
+            None => {
+                let mut rates = HashMap::default();
+                rates.insert(monster_type, vec![drop_rate]);
+                self.rates = Some(rates);
+            }
+        }
+        self
+    }
+
+    pub fn build(self, episode: Episode, difficulty: Difficulty, section_id: SectionID) -> RareDropTable {
+        RareDropTable {
+            rates: self.rates.unwrap_or_else(|| load_default_monster_rates(episode, difficulty, section_id)),
+            attribute_table: self.attribute_table.unwrap_or_else(|| AttributeTable::new(episode, difficulty, section_id)),
+            armor_stats: self.armor_stats.unwrap_or_else(|| GenericArmorTable::new(episode, difficulty, section_id)),
+            shield_stats: self.shield_stats.unwrap_or_else(|| GenericShieldTable::new(episode, difficulty, section_id)),
+        }
+    }
+}

src/ship/packet/handler/direct_message.rs

@@ -209,7 +209,6 @@ where
     }
 
     let clients_in_area = client_location.get_clients_in_room(room_id).await?;
-    
     let client_and_drop = rooms.with_mut(room_id, |room| Box::pin(async move {
         clients_in_area.into_iter()
             .filter_map(move |area_client| {

tests/test_item_drop.rs

@@ -0,0 +1,76 @@
+use elseware::common::serverstate::{ClientId, ServerState};
+use elseware::entity::gateway::{EntityGateway, InMemoryGateway};
+use elseware::entity::character::SectionID;
+use elseware::common::leveltable::CharacterLevelTable;
+use elseware::ship::ship::{ShipServerState, SendShipPacket, RecvShipPacket};
+use elseware::ship::room::{Episode, Difficulty};
+use elseware::ship::monster::MonsterType;
+use elseware::ship::location::RoomId;
+use elseware::ship::drops::{DropTable, MonsterDropStats, MonsterDropType};
+use elseware::ship::drops::rare_drop_table::{RareDropTable, RareDropRate, RareDropItem};
+use elseware::ship::map::{Maps, MapVariant, MapArea, MapVariantMode, MapEnemy};
+use elseware::entity::item::weapon::WeaponType;
+
+use libpso::packet::ship::*;
+use libpso::packet::messages::*;
+
+#[path = "common.rs"]
+mod common;
+use common::*;
+
+#[async_std::test]
+async fn test_enemy_drops_item() {
+    let mut entity_gateway = InMemoryGateway::default();
+    let (_user1, _char1) = new_user_character(&mut entity_gateway, "a1", "a", 1).await;
+
+    let mut ship = Box::new(ShipServerState::builder()
+                            .gateway(entity_gateway.clone())
+                            .map_builder(Box::new(|_room_mode, _event| {
+                                Maps::new(
+                                    vec![MapVariant::new(MapArea::Forest2, MapVariantMode::Online)],
+                                    vec![Some(MapEnemy::new(MonsterType::Hildebear, MapArea::Forest2))],
+                                    Vec::new(),
+                                )
+                            }))
+                            .drop_table_builder(Box::new(|episode, difficulty, section_id| {
+                                DropTable::builder()
+                                    .monster_stat(MonsterType::Hildebear, MonsterDropStats {
+                                        dar: 100,
+                                        drop_type: MonsterDropType::Weapon,
+                                        min_meseta: 0,
+                                        max_meseta: 0,
+                                    })
+                                    .rare_table(RareDropTable::builder()
+                                                .rate(MonsterType::Hildebear, RareDropRate {
+                                                    rate: 1.0,
+                                                    item: RareDropItem::Weapon(WeaponType::DarkFlow)
+                                                })
+                                                .build(episode, difficulty, section_id))
+                                    .build(episode, difficulty, section_id)
+                            }))
+                            .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;
+
+    let pkt = ship.handle(ClientId(1), RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::RequestItem(RequestItem {
+        client: 0,
+        target: 0,
+        map_area: 2,
+        pt_index: 0,
+        enemy_id: 0,
+        x: 0.0,
+        z: 0.0,
+        y: 0.0,
+    })))).await.unwrap();
+
+    match &pkt[0].1 {
+        SendShipPacket::Message(Message{msg: GameMessage::ItemDrop(item_drop)}) => {
+            assert_eq!(item_drop.item_id, 0x810001);
+            assert_eq!(item_drop.item_bytes[1], 0x9D);
+        },
+        _ => panic!(),
+    }
+    
+
+}