Merge pull request 'mag feeding!' (#207) from mag_feeding into master

Cargo.toml

@@ -28,4 +28,5 @@ derive_more = { version = "0.99.3", features = ["display"]}
 thiserror = "1.0.15"
 ages-prs = "0.1"
 async-trait = "0.1.31"
+lazy_static = "1.4.0"
 

data/item_stats/mag_stats.toml

@@ -6,96 +6,124 @@ feed_table = 1
 
 [Mitra]
 feed_table = 3
+photon_blast = "Pilla"
 
 [Surya]
 feed_table = 3
+photon_blast = "Leilla"
 
 [Vayu]
 feed_table = 4
+photon_blast = "MyllaYoulla"
 
 [Varaha]
 feed_table = 4
+photon_blast = "Leilla"
 
 [Kama]
 feed_table = 4
+photon_blast = "Pilla"
 
 [Ushasu]
 feed_table = 4
+photon_blast = "Leilla"
 
 [Apsaras]
 feed_table = 4
+photon_blast = "Estlla"
 
 [Kumara]
 feed_table = 4
+photon_blast = "Leilla"
 
 [Kaitabha]
 feed_table = 4
+photon_blast = "MyllaYoulla"
 
 [Tapas]
 feed_table = 3
+photon_blast = "MyllaYoulla"
 
 [Bhirava]
 feed_table = 4
+photon_blast = "Pilla"
 
 [Kalki]
 feed_table = 1
+photon_blast = "Estlla"
 
 [Rudra]
 feed_table = 2
+photon_blast = "Leilla"
 
 [Marutah]
 feed_table = 2
+photon_blast = "Pilla"
 
 [Yaksa]
 feed_table = 5
+photon_blast = "Leilla"
 
 [Sita]
 feed_table = 5
+photon_blast = "Pilla"
 
 [Garuda]
 feed_table = 5
+photon_blast = "Pilla"
 
 [Nandin]
 feed_table = 5
+photon_blast = "Estlla"
 
 [Ashvinau]
 feed_table = 2
+photon_blast = "Pilla"
 
 [Ribhava]
 feed_table = 5
 
 [Soma]
 feed_table = 5
+photon_blast = "Estlla"
 
 [Ila]
 feed_table = 5
+photon_blast = "MyllaYoulla"
 
 [Durga]
 feed_table = 5
+photon_blast = "Estlla"
 
 [Vritra]
 feed_table = 1
+photon_blast = "Golla"
 
 [Namuci]
 feed_table = 2
+photon_blast = "MyllaYoulla"
 
 [Sumba]
 feed_table = 2
+photon_blast = "Leilla"
 
 [Naga]
 feed_table = 6
+photon_blast = "MyllaYoulla"
 
 [Pitri]
 feed_table = 7
 
 [Kabanda]
 feed_table = 6
+photon_blast = "MyllaYoulla"
 
 [Ravana]
 feed_table = 6
 
 [Marica]
 feed_table = 6
+photon_blast = "Pilla"
 
 [Soniti]
 feed_table = 7
@@ -105,15 +133,19 @@ feed_table = 7
 
 [Andhaka]
 feed_table = 6
+photon_blast = "Estlla"
 
 [Bana]
 feed_table = 6
+photon_blast = "Estlla"
 
 [Naraka]
 feed_table = 6
+photon_blast = "Leilla"
 
 [Madhu]
 feed_table = 6
+photon_blast = "MyllaYoulla"
 
 [Churel]
 feed_table = 7

src/entity/character.rs

@@ -7,7 +7,7 @@ use libpso::character::character::{DEFAULT_PALETTE_CONFIG, DEFAULT_TECH_MENU};
 use crate::entity::item::tech::Technique;
 use crate::entity::account::UserAccountId;
 
-#[derive(Copy, Clone, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub enum CharacterClass {
     HUmar,
     HUnewearl,
@@ -64,7 +64,7 @@ impl Into<u8> for CharacterClass {
 }
 
 
-#[derive(Copy, Clone, Hash, PartialEq, Eq, derive_more::Display)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, derive_more::Display)]
 pub enum SectionID {
     Viridia,
     Greenill,

src/entity/gateway/entitygateway.rs

@@ -60,6 +60,18 @@ pub trait EntityGateway: Send + Sync + Clone {
         unimplemented!();
     }
 
+    async fn feed_mag(&mut self, _mag_item_id: &ItemEntityId, _tool_item_id: &ItemEntityId) {
+        unimplemented!();
+    }
+
+    async fn change_mag_owner(&mut self, _mag_item_id: &ItemEntityId, _character: &CharacterEntity) {
+        unimplemented!();
+    }
+
+    async fn use_mag_cell(&mut self, _mag_item_id: &ItemEntityId, _mag_cell_id: &ItemEntityId) {
+        unimplemented!();
+    }
+
     async fn get_items_by_character(&self, _char: &CharacterEntity) -> Vec<ItemEntity> {
         unimplemented!();
     }

src/entity/gateway/inmemory.rs

@@ -1,4 +1,5 @@
 use std::collections::BTreeMap;
+use std::convert::TryInto;
 
 use crate::entity::account::*;
 use crate::entity::character::*;
@@ -13,6 +14,7 @@ pub struct InMemoryGateway {
     user_settings: Arc<Mutex<BTreeMap<UserSettingsId, UserSettingsEntity>>>,
     characters: Arc<Mutex<BTreeMap<CharacterEntityId, CharacterEntity>>>,
     items: Arc<Mutex<BTreeMap<ItemEntityId, ItemEntity>>>,
+    mag_modifiers: Arc<Mutex<BTreeMap<ItemEntityId, Vec<mag::MagModifier>>>>,
 }
 
 impl InMemoryGateway {
@@ -22,6 +24,7 @@ impl InMemoryGateway {
             user_settings: Arc::new(Mutex::new(BTreeMap::new())),
             characters: Arc::new(Mutex::new(BTreeMap::new())),
             items: Arc::new(Mutex::new(BTreeMap::new())),
+            mag_modifiers: Arc::new(Mutex::new(BTreeMap::new())),
         }
     }
 }
@@ -165,6 +168,29 @@ impl EntityGateway for InMemoryGateway {
             });
     }
 
+    async fn feed_mag(&mut self, mag_item_id: &ItemEntityId, tool_item_id: &ItemEntityId) {
+        self.mag_modifiers.lock().unwrap()
+            .entry(*mag_item_id)
+            .or_insert(Vec::new())
+            .push(mag::MagModifier::FeedMag {
+                food: *tool_item_id
+            });
+    }
+
+    async fn change_mag_owner(&mut self, mag_item_id: &ItemEntityId, character: &CharacterEntity) {
+        self.mag_modifiers.lock().unwrap()
+            .entry(*mag_item_id)
+            .or_insert(Vec::new())
+            .push(mag::MagModifier::OwnerChange(character.char_class, character.section_id));
+    }
+
+    async fn use_mag_cell(&mut self, mag_item_id: &ItemEntityId, mag_cell_id: &ItemEntityId) {
+        self.mag_modifiers.lock().unwrap()
+            .entry(*mag_item_id)
+            .or_insert(Vec::new())
+            .push(mag::MagModifier::MagCell(mag_cell_id.clone()));
+    }
+
     async fn get_items_by_character(&self, character: &CharacterEntity) -> Vec<ItemEntity> {
         let items = self.items.lock().unwrap();
         items
@@ -179,6 +205,41 @@ impl EntityGateway for InMemoryGateway {
             .map(|(_, k)| {
                 k.clone()
             })
+            .map(|mut item| {
+                item.item = match item.item {
+                    ItemDetail::Mag(mut mag) => {
+                        self.mag_modifiers.lock().unwrap().get(&item.id).map(|mag_modifiers| {
+                            for mag_modifier in mag_modifiers.iter() {
+                                match mag_modifier {
+                                    mag::MagModifier::FeedMag {food} => {
+                                        items.get(&food).map(|mag_feed| {
+                                            match mag_feed.item {
+                                                ItemDetail::Tool(mag_feed) => mag.feed(mag_feed.tool),
+                                                _ => {}
+                                            }
+                                        });
+                                    },
+                                    mag::MagModifier::OwnerChange(class, section_id) => {
+                                        mag.change_owner(*class, *section_id)
+                                    },
+                                    mag::MagModifier::MagCell(mag_cell_id) => {
+                                        items.get(&mag_cell_id).map(|mag_cell| {
+                                            match mag_cell.item {
+                                                ItemDetail::Tool(mag_cell) => mag.apply_mag_cell(mag_cell.tool.try_into().unwrap()),
+                                                _ => {}
+                                            }
+                                        });
+                                    },
+                                    _ => {}
+                                }
+                            }
+                        });
+                        ItemDetail::Mag(mag)
+                    }
+                    _ => item.item
+                };
+                item
+            })
             .collect()
     }
 }

src/entity/item/mag.rs

@@ -1,5 +1,62 @@
+use std::collections::HashMap;
 use serde::{Serialize, Deserialize};
+use crate::entity::item::tool::ToolType;
+use crate::entity::character::{CharacterClass, SectionID};
 use crate::entity::item::ItemEntityId;
+use std::io::Read;
+
+use std::cmp::Ordering::{Less, Greater, Equal};
+
+#[derive(Debug, Deserialize)]
+struct MagStats {
+    feed_table: usize,
+    photon_blast: Option<PhotonBlast>
+}
+
+#[derive(Debug, Deserialize)]
+struct MagFeedTable {
+    def: i16,
+    pow: i16,
+    dex: i16,
+    mnd: i16,
+    iq: i8,
+    syn: i8,
+}
+
+lazy_static::lazy_static! {
+    static ref MAG_STATS: HashMap<MagType, MagStats> = {
+        let mut f = std::fs::File::open("data/item_stats/mag_stats.toml").unwrap();
+        let mut s = String::new();
+        f.read_to_string(&mut s).unwrap();
+
+        let mag_stats: HashMap<String, MagStats> = toml::from_str(&s).unwrap();
+        mag_stats.into_iter()
+            .map(|(name, stats)| {
+                (name.parse().unwrap(), stats)
+            })
+            .collect::<HashMap<MagType, MagStats>>()
+    };
+
+    static ref MAG_FEEDING_TABLES: Vec<HashMap<ToolType, MagFeedTable>> = {
+        let mut f = std::fs::File::open("data/item_stats/mag_feed_table.toml").unwrap();
+        let mut s = String::new();
+        f.read_to_string(&mut s).unwrap();
+
+        let mut feed: HashMap<String, Vec<HashMap<String, MagFeedTable>>> = toml::from_str(&s).unwrap();
+        let feed = feed.remove("feedtable".into()).unwrap();
+        feed.into_iter()
+            .map(|table| {
+                table.into_iter()
+                    .map(|(tool, stats)| {
+                        (tool.parse().unwrap(), stats)
+                    })
+                    .collect()
+            })
+            .collect::<Vec<HashMap<ToolType, MagFeedTable>>>()
+    };
+}
+
+
 
 #[derive(Debug, Copy, Clone)]
 pub enum ItemParseError {
@@ -250,6 +307,206 @@ impl MagType {
             _ => Err(ItemParseError::InvalidMagType),
         }
     }
+
+    pub fn can_evolve(&self) -> bool {
+        match self {
+            MagType::Mag => true,
+            MagType::Varuna => true,
+            MagType::Mitra => true,
+            MagType::Surya => true,
+            MagType::Vayu => true,
+            MagType::Varaha => true,
+            MagType::Kama => true,
+            MagType::Ushasu => true,
+            MagType::Apsaras => true,
+            MagType::Kumara => true,
+            MagType::Kaitabha => true,
+            MagType::Tapas => true,
+            MagType::Bhirava => true,
+            MagType::Kalki => true,
+            MagType::Rudra => true,
+            MagType::Marutah => true,
+            MagType::Yaksa => true,
+            MagType::Sita => true,
+            MagType::Garuda => true,
+            MagType::Nandin => true,
+            MagType::Ashvinau => true,
+            MagType::Ribhava => true,
+            MagType::Soma => true,
+            MagType::Ila => true,
+            MagType::Durga => true,
+            MagType::Vritra => true,
+            MagType::Namuci => true,
+            MagType::Sumba => true,
+            MagType::Naga => true,
+            MagType::Pitri => true,
+            MagType::Kabanda => true,
+            MagType::Ravana => true,
+            MagType::Marica => true,
+            MagType::Soniti => true,
+            MagType::Preta => true,
+            MagType::Andhaka => true,
+            MagType::Bana => true,
+            MagType::Naraka => true,
+            MagType::Madhu => true,
+            MagType::Churel => false,
+            MagType::Robochao => false,
+            MagType::OpaOpa => false,
+            MagType::Pian => false,
+            MagType::Chao => false,
+            MagType::ChuChu => false,
+            MagType::KapuKapu => false,
+            MagType::AngelsWing => false,
+            MagType::DevilsWing => false,
+            MagType::Elenor => false,
+            MagType::MarkIII => false,
+            MagType::MasterSystem => false,
+            MagType::Genesis => false,
+            MagType::SegaSaturn => false,
+            MagType::Dreamcast => false,
+            MagType::Hamburger => false,
+            MagType::PanzersTail => false,
+            MagType::DevilsTail => false,
+            MagType::Deva => false,
+            MagType::Rati => false,
+            MagType::Savitri => false,
+            MagType::Rukmin => false,
+            MagType::Pushan => false,
+            MagType::Diwari => false,
+            MagType::Sato => false,
+            MagType::Bhima => false,
+            MagType::Nidra => false,
+            MagType::GeungSi => false,
+            MagType::Tellusis => false,
+            MagType::StrikerUnit => false,
+            MagType::Pioneer => false,
+            MagType::Puyo => false,
+            MagType::Moro => false,
+            MagType::Rappy => false,
+            MagType::Yahoo => false,
+            MagType::GaelGiel => false,
+            MagType::Agastya => false,
+        }
+    }
+}
+
+pub enum MagCell {
+    CellOfMag502,
+    CellOfMag213,
+    PartsOfRobochao,
+    HeartOfOpaOpa,
+    HeartOfPian,
+    HeartOfChao,
+    HeartOfAngel,
+    HeartOfDevil,
+    KitOfHamburger,
+    PanthersSpirit,
+    KitOfMark3,
+    KitOfMasterSystem,
+    KitOfGenesis,
+    KitOfSegaSaturn,
+    KitOfDreamcast,
+    Tablet,
+    DragonScale,
+    HeavenStrikerCoat,
+    PioneerParts,
+    AmitiesMemo,
+    HeartOfMorolian,
+    RappysBeak,
+    YahoosEngine,
+    DPhotonCore,
+    LibertaKit,
+}
+
+impl std::convert::TryFrom<ToolType> for MagCell {
+    type Error = ();
+
+    fn try_from(tool: ToolType) -> Result<MagCell, ()> {
+        match tool {
+            ToolType::CellOfMag502 => Ok(MagCell::CellOfMag502),
+            ToolType::CellOfMag213 => Ok(MagCell::CellOfMag213),
+            ToolType::PartsOfRobochao => Ok(MagCell::PartsOfRobochao),
+            ToolType::HeartOfOpaOpa => Ok(MagCell::HeartOfOpaOpa),
+            ToolType::HeartOfPian => Ok(MagCell::HeartOfPian),
+            ToolType::HeartOfChao => Ok(MagCell::HeartOfChao),
+            ToolType::HeartOfAngel => Ok(MagCell::HeartOfAngel),
+            ToolType::HeartOfDevil => Ok(MagCell::HeartOfDevil),
+            ToolType::KitOfHamburger => Ok(MagCell::KitOfHamburger),
+            ToolType::PanthersSpirit => Ok(MagCell::PanthersSpirit),
+            ToolType::KitOfMark3 => Ok(MagCell::KitOfMark3),
+            ToolType::KitOfMasterSystem => Ok(MagCell::KitOfMasterSystem),
+            ToolType::KitOfGenesis => Ok(MagCell::KitOfGenesis),
+            ToolType::KitOfSegaSaturn => Ok(MagCell::KitOfSegaSaturn),
+            ToolType::KitOfDreamcast => Ok(MagCell::KitOfDreamcast),
+            ToolType::Tablet => Ok(MagCell::Tablet),
+            ToolType::DragonScale => Ok(MagCell::DragonScale),
+            ToolType::HeavenStrikerCoat => Ok(MagCell::HeavenStrikerCoat),
+            ToolType::PioneerParts => Ok(MagCell::PioneerParts),
+            ToolType::AmitiesMemo => Ok(MagCell::AmitiesMemo),
+            ToolType::HeartOfMorolian => Ok(MagCell::HeartOfMorolian),
+            ToolType::RappysBeak => Ok(MagCell::RappysBeak),
+            ToolType::YahoosEngine => Ok(MagCell::YahoosEngine),
+            ToolType::DPhotonCore => Ok(MagCell::DPhotonCore),
+            ToolType::LibertaKit => Ok(MagCell::LibertaKit),
+            _ => Err(()),
+        }
+    }
+}
+
+enum MagAttribute {
+    //Def,
+    Pow,
+    Dex,
+    Mind,
+}
+
+// one day I hope to be cool enough to figure how to enforce that each magattribute in sequence must be unique
+// (to not need the _ in the match)
+enum MagAttributeOrdering {
+    Sequence(MagAttribute, MagAttribute, MagAttribute),
+    Primary(MagAttribute),
+    MultiPrimary
+}
+
+impl MagAttributeOrdering {
+    fn new(pow: u16, dex: u16, mnd: u16) -> MagAttributeOrdering {
+        let primary = if pow > dex && pow > mnd {
+            MagAttribute::Pow
+        }
+        else if dex > pow && dex > mnd{
+            MagAttribute::Dex
+        }
+        else if mnd > pow && mnd > dex {
+            MagAttribute::Mind
+        }
+        else {
+            return MagAttributeOrdering::MultiPrimary
+        };
+
+        match primary {
+            MagAttribute::Pow => {
+                match dex.cmp(&mnd) {
+                    Greater => MagAttributeOrdering::Sequence(primary, MagAttribute::Dex, MagAttribute::Mind),
+                    Equal => MagAttributeOrdering::Primary(primary),
+                    Less => MagAttributeOrdering::Sequence(primary, MagAttribute::Mind, MagAttribute::Dex),
+                }
+            },
+            MagAttribute::Dex => {
+                match pow.cmp(&mnd) {
+                    Greater => MagAttributeOrdering::Sequence(primary, MagAttribute::Pow, MagAttribute::Mind),
+                    Equal => MagAttributeOrdering::Primary(primary),
+                    Less => MagAttributeOrdering::Sequence(primary, MagAttribute::Mind, MagAttribute::Pow),
+                }
+            },
+            MagAttribute::Mind => {
+                match pow.cmp(&dex) {
+                    Greater => MagAttributeOrdering::Sequence(primary, MagAttribute::Pow, MagAttribute::Dex),
+                    Equal => MagAttributeOrdering::Primary(primary),
+                    Less => MagAttributeOrdering::Sequence(primary, MagAttribute::Dex, MagAttribute::Pow),
+                }
+            },
+        }
+    }
 }
 
 #[derive(Debug, Clone, PartialEq)]
@@ -257,11 +514,12 @@ pub enum MagModifier {
     FeedMag{
         food: ItemEntityId,
     },
-    BankMag,
+    BankMag, // when putting a mag in the bank it truncates the values which has applications when raising degenerate mags
     MagCell(ItemEntityId),
+    OwnerChange(CharacterClass, SectionID)
 }
 
-#[derive(Debug, Copy, Clone, PartialEq)]
+#[derive(Debug, Copy, Clone, PartialEq, Deserialize, enum_utils::FromStr)]
 pub enum PhotonBlast {
     Farlla,
     Estlla,
@@ -274,19 +532,38 @@ pub enum PhotonBlast {
 #[derive(Debug, Clone, PartialEq)]
 pub struct Mag {
     pub mag: MagType,
-    pub def: u16,
-    pub pow: u16,
-    pub dex: u16,
-    pub mnd: u16,
+    def: u16,
+    pow: u16,
+    dex: u16,
+    mnd: u16,
     pub synchro: u8,
-    pub iq: u8,
-    pub photon_blast: [Option<PhotonBlast>; 3],
+    iq: u8,
+    photon_blast: [Option<PhotonBlast>; 3],
     pub color: u8,
-    pub modifiers: Vec<MagModifier>,
+    //modifiers: Vec<MagModifier>,
+    pub class: CharacterClass,
+    pub id: SectionID,
 }
 
 
 impl Mag {
+    pub fn baby_mag(skin: u16) -> Mag {
+        Mag {
+            mag: MagType::Mag,
+            def: 500,
+            pow: 0,
+            dex: 0,
+            mnd: 0,
+            synchro: 20,
+            iq: 0,
+            photon_blast: [None; 3],
+            color: (skin % 18) as u8,
+            //modifiers: Vec::new(),
+            class: CharacterClass::HUmar,
+            id: SectionID::Viridia,
+        }
+    }
+
     pub fn as_bytes(&self) -> [u8; 16] {
         let mut result = [0; 16];
         result[0..3].copy_from_slice(&self.mag.value());
@@ -355,7 +632,7 @@ impl Mag {
     }
 
     pub fn from_bytes(data: [u8; 16]) -> Result<Mag, ItemParseError> {
-        let m = MagType::parse_type([data[0], data[1], data[2]]); 
+        let m = MagType::parse_type([data[0], data[1], data[2]]);
         if m.is_ok() {
             let mut def = u16::from_le_bytes([data[4], data[5]]);
             let mut pow = u16::from_le_bytes([data[6], data[7]]);
@@ -382,11 +659,516 @@ impl Mag {
                 iq: iq,
                 photon_blast: [None, None, None], // TODO: actually get PBs from bytes
                 color: data[15] % 18,
-                modifiers: Vec::new(),
+                //modifiers: Vec::new(),
+                class: CharacterClass::HUmar,
+                id: SectionID::Viridia,
             })
         }
         else {
             Err(ItemParseError::InvalidMagBytes) // TODO: error handling if wrong bytes are given
         }
     }
+
+    pub fn def(&self) -> u16 {
+        self.def/100
+    }
+
+    pub fn pow(&self) -> u16 {
+        self.pow/100
+    }
+
+    pub fn dex(&self) -> u16 {
+        self.dex/100
+    }
+
+    pub fn mind(&self) -> u16 {
+        self.mnd/100
+    }
+
+    pub fn level(&self) -> u16 {
+        self.def() + self.pow() + self.dex() + self.mind()
+    }
+
+    fn change_mag_type(&mut self, previous_level: u16) {
+        if !self.mag.can_evolve() {
+            return
+        }
+
+        if self.level() >= 10 && previous_level < 10 {
+            match self.class {
+                CharacterClass::HUmar | CharacterClass::HUnewearl | CharacterClass::HUcast | CharacterClass::HUcaseal => {
+                    self.mag = MagType::Varuna
+                },
+                CharacterClass::RAmar | CharacterClass::RAmarl | CharacterClass::RAcast | CharacterClass::RAcaseal => {
+                    self.mag = MagType::Kalki
+                },
+                CharacterClass::FOmar | CharacterClass::FOmarl | CharacterClass::FOnewm | CharacterClass::FOnewearl => {
+                    self.mag = MagType::Vritra
+                },
+            }
+        }
+
+        if self.level() >= 35 && previous_level < 35 {
+            match self.mag {
+                MagType::Varuna => {
+                    if self.pow > self.dex && self.pow > self.mnd {
+                        self.mag = MagType::Rudra
+                    }
+                    else if self.dex > self.pow && self.dex > self.mnd {
+                        self.mag = MagType::Marutah
+                    }
+                    else if self.mnd > self.pow && self.mnd > self.dex {
+                        self.mag = MagType::Vayu
+                    }
+                    else {
+                        self.mag = MagType::Rudra
+                    }
+                },
+                MagType::Kalki => {
+                    if self.pow > self.dex && self.pow > self.mnd {
+                        self.mag = MagType::Surya
+                    }
+                    else if self.dex > self.pow && self.dex > self.mnd {
+                        self.mag = MagType::Mitra
+                    }
+                    else if self.mnd > self.pow && self.mnd > self.dex {
+                        self.mag = MagType::Tapas
+                    }
+                    else {
+                        self.mag = MagType::Mitra
+                    }
+                },
+                MagType::Vritra => {
+                    if self.pow > self.dex && self.pow > self.mnd {
+                        self.mag = MagType::Sumba
+                    }
+                    else if self.dex > self.pow && self.dex > self.mnd {
+                        self.mag = MagType::Ashvinau
+                    }
+                    else if self.mnd > self.pow && self.mnd > self.dex {
+                        self.mag = MagType::Namuci
+                    }
+                    else {
+                        self.mag = MagType::Namuci
+                    }
+                },
+                _ => unreachable!(),
+            }
+        }
+
+        if self.level() >= 50 && self.level() % 5 == 0 {
+            let mag_attr_ordering = MagAttributeOrdering::new(self.pow, self.dex, self.mnd);
+            self.mag = match self.id {
+                SectionID::Viridia | SectionID::Skyly | SectionID::Purplenum | SectionID::Redria | SectionID::Yellowboze => {
+                    match self.class {
+                        CharacterClass::HUmar | CharacterClass::HUnewearl | CharacterClass::HUcast | CharacterClass::HUcaseal => {
+                            match mag_attr_ordering {
+                                MagAttributeOrdering::Primary(MagAttribute::Pow) => MagType::Varaha,
+                                MagAttributeOrdering::Primary(MagAttribute::Dex) => MagType::Nandin,
+                                MagAttributeOrdering::Primary(MagAttribute::Mind) => MagType::Kabanda,
+                                MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Dex, MagAttribute::Mind) => MagType::Varaha,
+                                MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Mind, MagAttribute::Dex) => MagType::Bhirava,
+                                MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Pow, MagAttribute::Mind) => MagType::Ila,
+                                MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Mind, MagAttribute::Pow) => MagType::Nandin,
+                                MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Pow, MagAttribute::Dex) => MagType::Kabanda,
+                                MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Dex, MagAttribute::Pow) => MagType::Ushasu,
+                                MagAttributeOrdering::MultiPrimary => {
+                                    if self.dex >= self.mnd {
+                                        MagType::Varaha
+                                    }
+                                    else {
+                                        MagType::Bhirava
+                                    }
+                                },
+                                _ => unreachable!()
+                            }
+                        },
+                        CharacterClass::RAmar | CharacterClass::RAmarl | CharacterClass::RAcast | CharacterClass::RAcaseal => {
+                            match mag_attr_ordering {
+                                MagAttributeOrdering::Primary(MagAttribute::Pow) => MagType::Kama,
+                                MagAttributeOrdering::Primary(MagAttribute::Dex) => MagType::Kama,
+                                MagAttributeOrdering::Primary(MagAttribute::Mind) => MagType::Varaha,
+                                MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Dex, MagAttribute::Mind) => MagType::Kama,
+                                MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Mind, MagAttribute::Dex) => MagType::Bhirava,
+                                MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Pow, MagAttribute::Mind) => MagType::Bhirava,
+                                MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Mind, MagAttribute::Pow) => MagType::Kama,
+                                MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Pow, MagAttribute::Dex) => MagType::Varaha,
+                                MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Dex, MagAttribute::Pow) => MagType::Apsaras,
+                                MagAttributeOrdering::MultiPrimary => {
+                                    if self.mnd >= self.pow {
+                                        MagType::Kama
+                                    }
+                                    else {
+                                        MagType::Bhirava
+                                    }
+                                }
+                                _ => unreachable!()
+                            }
+                        },
+                        CharacterClass::FOmar | CharacterClass::FOmarl | CharacterClass::FOnewm | CharacterClass::FOnewearl => {
+                            match (mag_attr_ordering, self.def() >= 45) {
+                                (MagAttributeOrdering::Primary(MagAttribute::Pow), true) => MagType::Andhaka,
+                                (MagAttributeOrdering::Primary(MagAttribute::Dex), true) => MagType::Bana,
+                                (MagAttributeOrdering::Primary(MagAttribute::Mind), true) => MagType::Bana,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Dex, MagAttribute::Mind), true) => MagType::Andhaka,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Mind, MagAttribute::Dex), true) => MagType::Andhaka,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Pow, MagAttribute::Mind), true) => MagType::Bana,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Mind, MagAttribute::Pow), true) => MagType::Bana,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Pow, MagAttribute::Dex), true) => MagType::Bana,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Dex, MagAttribute::Pow), true) => MagType::Bana,
+                                (MagAttributeOrdering::MultiPrimary, true) => MagType::Bana,
+                                (MagAttributeOrdering::Primary(MagAttribute::Pow), false) => MagType::Naraka,
+                                (MagAttributeOrdering::Primary(MagAttribute::Dex), false) => MagType::Sita,
+                                (MagAttributeOrdering::Primary(MagAttribute::Mind), false) => MagType::Naga,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Dex, MagAttribute::Mind), false) => MagType::Naraka,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Mind, MagAttribute::Dex), false) => MagType::Ravana,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Pow, MagAttribute::Mind), false) => MagType::Ribhava,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Mind, MagAttribute::Pow), false) => MagType::Sita,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Pow, MagAttribute::Dex), false) => MagType::Naga,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Dex, MagAttribute::Pow), false) => MagType::Kabanda,
+                                (MagAttributeOrdering::MultiPrimary, false) => {
+                                    if self.pow >= self.dex {
+                                        MagType::Naga
+                                    }
+                                    else {
+                                        MagType::Kabanda
+                                    }
+                                }
+                                _ => unreachable!()
+                            }
+                        },
+                    }
+                },
+                SectionID::Greenill | SectionID::Bluefull | SectionID::Pinkal | SectionID::Oran | SectionID::Whitill => {
+                    match self.class {
+                        CharacterClass::HUmar | CharacterClass::HUnewearl | CharacterClass::HUcast | CharacterClass::HUcaseal => {
+                            match mag_attr_ordering {
+                                MagAttributeOrdering::Primary(MagAttribute::Pow) => MagType::Kama,
+                                MagAttributeOrdering::Primary(MagAttribute::Dex) => MagType::Yaksa,
+                                MagAttributeOrdering::Primary(MagAttribute::Mind) => MagType::Bana,
+                                MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Dex, MagAttribute::Mind) => MagType::Kama,
+                                MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Mind, MagAttribute::Dex) => MagType::Apsaras,
+                                MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Pow, MagAttribute::Mind) => MagType::Garuda,
+                                MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Mind, MagAttribute::Pow) => MagType::Yaksa,
+                                MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Pow, MagAttribute::Dex) => MagType::Bana,
+                                MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Dex, MagAttribute::Pow) => MagType::Soma,
+                                MagAttributeOrdering::MultiPrimary => {
+                                    if self.dex >= self.mnd {
+                                        MagType::Kama
+                                    }
+                                    else {
+                                        MagType::Apsaras
+                                    }
+                                }
+                                _ => unreachable!()
+                            }
+                        },
+                        CharacterClass::RAmar | CharacterClass::RAmarl | CharacterClass::RAcast | CharacterClass::RAcaseal => {
+                            match mag_attr_ordering {
+                                MagAttributeOrdering::Primary(MagAttribute::Pow) => MagType::Madhu,
+                                MagAttributeOrdering::Primary(MagAttribute::Dex) => MagType::Varaha,
+                                MagAttributeOrdering::Primary(MagAttribute::Mind) => MagType::Kabanda,
+                                MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Dex, MagAttribute::Mind) => MagType::Madhu,
+                                MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Mind, MagAttribute::Dex) => MagType::Kaitabha,
+                                MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Pow, MagAttribute::Mind) => MagType::Kaitabha,
+                                MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Mind, MagAttribute::Pow) => MagType::Varaha,
+                                MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Pow, MagAttribute::Dex) => MagType::Kabanda,
+                                MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Dex, MagAttribute::Pow) => MagType::Durga,
+                                MagAttributeOrdering::MultiPrimary => {
+                                    if self.pow > self.mnd {
+                                        MagType::Kaitabha
+                                    }
+                                    else {
+                                        MagType::Varaha
+                                    }
+                                }
+                                _ => unreachable!()
+                            }
+                        },
+                        CharacterClass::FOmar | CharacterClass::FOmarl | CharacterClass::FOnewm | CharacterClass::FOnewearl => {
+                            match (mag_attr_ordering, self.def() >= 45) {
+                                (MagAttributeOrdering::Primary(MagAttribute::Pow), true) => MagType::Andhaka,
+                                (MagAttributeOrdering::Primary(MagAttribute::Dex), true) => MagType::Bana,
+                                (MagAttributeOrdering::Primary(MagAttribute::Mind), true) => MagType::Bana,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Dex, MagAttribute::Mind), true) => MagType::Andhaka,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Mind, MagAttribute::Dex), true) => MagType::Andhaka,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Pow, MagAttribute::Mind), true) => MagType::Bana,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Mind, MagAttribute::Pow), true) => MagType::Bana,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Pow, MagAttribute::Dex), true) => MagType::Bana,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Dex, MagAttribute::Pow), true) => MagType::Bana,
+                                (MagAttributeOrdering::MultiPrimary, true) => MagType::Bana,
+                                (MagAttributeOrdering::Primary(MagAttribute::Pow), false) => MagType::Marica,
+                                (MagAttributeOrdering::Primary(MagAttribute::Dex), false) => MagType::Bhirava,
+                                (MagAttributeOrdering::Primary(MagAttribute::Mind), false) => MagType::Kumara,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Dex, MagAttribute::Mind), false) => MagType::Marica,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Pow, MagAttribute::Mind, MagAttribute::Dex), false) => MagType::Naga,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Pow, MagAttribute::Mind), false) => MagType::Garuda,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Dex, MagAttribute::Mind, MagAttribute::Pow), false) => MagType::Bhirava,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Pow, MagAttribute::Dex), false) => MagType::Kumara,
+                                (MagAttributeOrdering::Sequence(MagAttribute::Mind, MagAttribute::Dex, MagAttribute::Pow), false) => MagType::Ila,
+                                (MagAttributeOrdering::MultiPrimary, false) => {
+                                    if self.pow >= self.dex {
+                                        MagType::Kumara
+                                    }
+                                    else {
+                                        MagType::Ila
+                                    }
+                                }
+                                _ => unreachable!()
+                            }
+                        },
+                    }
+                }
+            };
+        }
+
+        if self.level() >= 100 && self.level() % 5 == 0 {
+            match self.id {
+                SectionID::Skyly | SectionID::Pinkal | SectionID::Yellowboze => {
+                    if self.def() + self.pow() == self.dex() + self.mind() {
+                        self.mag = match self.class {
+                            CharacterClass::HUmar | CharacterClass::HUcast => {
+                                MagType::Rati
+                            },
+                            CharacterClass::HUnewearl | CharacterClass::HUcaseal => {
+                                MagType::Savitri
+                            },
+                            CharacterClass::RAmar | CharacterClass::RAcast => {
+                                MagType::Pushan
+                            },
+                            CharacterClass::RAmarl | CharacterClass::RAcaseal => {
+                                MagType::Diwari
+                            },
+                            CharacterClass::FOmar | CharacterClass::FOnewm => {
+                                MagType::Nidra
+                            },
+                            CharacterClass::FOmarl | CharacterClass::FOnewearl => {
+                                MagType::Bhima
+                            },
+                        }
+                    }
+                },
+                SectionID::Viridia | SectionID::Bluefull | SectionID::Redria | SectionID::Whitill => {
+                    if self.def() + self.dex() == self.pow() + self.mind() {
+                        self.mag = match self.class {
+                            CharacterClass::HUmar | CharacterClass::HUcast => {
+                                MagType::Deva
+                            },
+                            CharacterClass::HUnewearl | CharacterClass::HUcaseal => {
+                                MagType::Savitri
+                            },
+                            CharacterClass::RAmar | CharacterClass::RAcast => {
+                                MagType::Pushan
+                            },
+                            CharacterClass::RAmarl | CharacterClass::RAcaseal => {
+                                MagType::Rukmin
+                            },
+                            CharacterClass::FOmar | CharacterClass::FOnewm => {
+                                MagType::Nidra
+                            },
+                            CharacterClass::FOmarl | CharacterClass::FOnewearl => {
+                                MagType::Sato // best mag
+                            },
+                        }
+                    }
+                },
+                SectionID::Greenill | SectionID::Purplenum | SectionID::Oran => {
+                    if self.def() + self.mind() == self.pow() + self.dex() {
+                        self.mag = match self.class {
+                            CharacterClass::HUmar | CharacterClass::HUcast => {
+                                MagType::Rati
+                            },
+                            CharacterClass::HUnewearl | CharacterClass::HUcaseal => {
+                                MagType::Savitri
+                            },
+                            CharacterClass::RAmar | CharacterClass::RAcast => {
+                                MagType::Pushan
+                            },
+                            CharacterClass::RAmarl | CharacterClass::RAcaseal => {
+                                MagType::Rukmin
+                            },
+                            CharacterClass::FOmar | CharacterClass::FOnewm => {
+                                MagType::Nidra
+                            },
+                            CharacterClass::FOmarl | CharacterClass::FOnewearl => {
+                                MagType::Bhima
+                            },
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    pub fn assign_photon_blast(&mut self) {
+        MAG_STATS.get(&self.mag).map(|stats| {
+            stats.photon_blast.map(|photon_blast| {
+                if !self.photon_blast.contains(&Some(photon_blast)) {
+                    self.photon_blast.iter_mut().find(|k| k.is_none()).map(|pb_slot| {
+                        *pb_slot = Some(photon_blast)
+                    });
+                }
+            })
+        });
+    }
+
+    pub fn feed(&mut self, tool: ToolType) {
+        let previous_level = self.level();
+        MAG_STATS.get(&self.mag).map(|stats| {
+            MAG_FEEDING_TABLES.get(stats.feed_table).map(|feeding_table| {
+                feeding_table.get(&tool).map(|feed_stats| {
+                    self.def = std::cmp::max(std::cmp::max((self.def as i16) + feed_stats.def, 0) as u16, self.def()*100);
+                    self.pow = std::cmp::max(std::cmp::max((self.pow as i16) + feed_stats.pow, 0) as u16, self.pow()*100);
+                    self.dex = std::cmp::max(std::cmp::max((self.dex as i16) + feed_stats.dex, 0) as u16, self.dex()*100);
+                    self.mnd = std::cmp::max(std::cmp::max((self.mnd as i16) + feed_stats.mnd, 0) as u16, self.mind()*100);
+                    self.iq = std::cmp::min(((self.iq as i16) + feed_stats.iq as i16) as u8, 200);
+                    self.synchro = std::cmp::min(((self.synchro as i8) + feed_stats.syn) as u8, 120);
+                })
+            })
+        });
+        //if previous_level != self.level() {
+        self.change_mag_type(previous_level);
+        self.assign_photon_blast();
+        //}
+    }
+
+    pub fn change_owner(&mut self, class: CharacterClass, id: SectionID) {
+        self.class = class;
+        self.id = id;
+    }
+
+    pub fn bank(&mut self) {
+        // what is the truncation logic anyway
+    }
+
+    // TODO: this needs more checks on validity
+    pub fn apply_mag_cell(&mut self, mag_cell: MagCell) {
+        self.mag = match mag_cell {
+            MagCell::CellOfMag502 => {
+                match self.id {
+                    SectionID::Viridia | SectionID::Skyly | SectionID::Purplenum | SectionID::Redria | SectionID::Yellowboze => {
+                        MagType::Soniti
+                    },
+                    SectionID::Greenill | SectionID::Bluefull | SectionID::Pinkal | SectionID::Oran | SectionID::Whitill => {
+                        MagType::Pitri
+                    }
+                }
+            }
+            MagCell::CellOfMag213 => {
+                match self.id {
+                    SectionID::Viridia | SectionID::Skyly | SectionID::Purplenum | SectionID::Redria | SectionID::Yellowboze => {
+                        MagType::Churel
+                    },
+                    SectionID::Greenill | SectionID::Bluefull | SectionID::Pinkal | SectionID::Oran | SectionID::Whitill => {
+                        MagType::Preta
+                    }
+                }
+            },
+            MagCell::PartsOfRobochao => MagType::Robochao,
+            MagCell::HeartOfOpaOpa => MagType::OpaOpa,
+            MagCell::HeartOfPian => MagType::Pian,
+            MagCell::HeartOfChao => MagType::Chao,
+            MagCell::HeartOfAngel => MagType::AngelsWing,
+            MagCell::HeartOfDevil => if self.mag == MagType::DevilsWing {
+                MagType::DevilsTail
+            }
+            else {
+                MagType::DevilsWing
+            },
+            MagCell::KitOfHamburger => MagType::Hamburger,
+            MagCell::PanthersSpirit => MagType::PanzersTail,
+            MagCell::KitOfMark3 => MagType::MarkIII,
+            MagCell::KitOfMasterSystem => MagType::MasterSystem,
+            MagCell::KitOfGenesis => MagType::Genesis,
+            MagCell::KitOfSegaSaturn => MagType::SegaSaturn,
+            MagCell::KitOfDreamcast => MagType::Dreamcast,
+            MagCell::Tablet => MagType::GeungSi,
+            MagCell::DragonScale => MagType::Tellusis,
+            MagCell::HeavenStrikerCoat => MagType::StrikerUnit,
+            MagCell::PioneerParts => MagType::Pioneer,
+            MagCell::AmitiesMemo => MagType::Puyo,
+            MagCell::HeartOfMorolian => MagType::Moro,
+            MagCell::RappysBeak => MagType::Rappy,
+            MagCell::YahoosEngine => MagType::Yahoo,
+            MagCell::DPhotonCore => MagType::GaelGiel,
+            MagCell::LibertaKit => MagType::Agastya,
+        }
+    }
 }
+
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use std::io::Read;
+
+    #[test]
+    fn test_load_mag_stats() {
+        let mut f = std::fs::File::open("data/item_stats/mag_stats.toml").unwrap();
+        let mut s = String::new();
+        f.read_to_string(&mut s).unwrap();
+
+        let mags: HashMap<String, MagStats> = toml::from_str(&s).unwrap();
+        let _mags = mags.into_iter()
+            .map(|(name, stats)| {
+                (name.parse().unwrap(), stats)
+            })
+            .collect::<HashMap<MagType, MagStats>>();
+    }
+
+    #[test]
+    fn test_load_mag_feed_table() {
+        let mut f = std::fs::File::open("data/item_stats/mag_feed_table.toml").unwrap();
+        let mut s = String::new();
+        f.read_to_string(&mut s).unwrap();
+
+        let mut feed: HashMap<String, Vec<HashMap<String, MagFeedTable>>> = toml::from_str(&s).unwrap();
+        let feed = feed.remove("feedtable".into()).unwrap();
+        let _feed = feed.into_iter()
+            .map(|table| {
+                table.into_iter()
+                    .map(|(tool, stats)| {
+                        (tool.parse().unwrap(), stats)
+                    })
+                    .collect()
+            })
+            .collect::<Vec<HashMap<ToolType, MagFeedTable>>>();
+    }
+
+    #[test]
+    fn test_raise_a_sato() {
+        let mut mag = Mag::baby_mag(0);
+        mag.change_owner(CharacterClass::RAcaseal, SectionID::Whitill);
+        for _ in 0..137 {
+            mag.feed(ToolType::Antidote);
+        }
+        for _ in 0..75 {
+            mag.feed(ToolType::Antiparalysis);
+        }
+        mag.change_owner(CharacterClass::FOmarl, SectionID::Whitill);
+        for _ in 0..51 {
+            mag.feed(ToolType::Antiparalysis);
+        }
+        for _ in 0..284 {
+            mag.feed(ToolType::Dimate);
+        }
+        assert!(mag == Mag {
+            mag: MagType::Sato,
+            def: 507,
+            pow: 5019,
+            dex: 4505,
+            mnd: 0,
+            synchro: 120,
+            iq: 200,
+            photon_blast: [Some(PhotonBlast::Estlla), Some(PhotonBlast::Pilla), Some(PhotonBlast::MyllaYoulla)],
+            color: 0,
+            class: CharacterClass::FOmarl,
+            id: SectionID::Whitill,
+        });
+    }
+
+    #[test]
+    fn test_mag_does_not_level_down() {
+    }
+}
+

src/entity/item/mod.rs

@@ -44,6 +44,9 @@ pub enum ItemLocation {
         z: f32,
     },
     Consumed,
+    FedToMag {
+        mag: ItemEntityId,
+    }
     /*Destroyed {
         // marks an item that has been consumed in some way
     },

src/entity/item/tool.rs

@@ -251,6 +251,42 @@ impl ToolType {
         }
     }
 
+    pub fn is_mag_cell(&self) -> bool {
+        match self {
+            ToolType::CellOfMag502 => true,
+            ToolType::CellOfMag213 => true,
+            ToolType::PartsOfRobochao => true,
+            ToolType::HeartOfOpaOpa => true,
+            ToolType::HeartOfPian => true,
+            ToolType::HeartOfChao => true,
+            ToolType::HeartOfAngel => true,
+            ToolType::HeartOfDevil => true,
+            ToolType::KitOfHamburger => true,
+            ToolType::PanthersSpirit => true,
+            ToolType::KitOfMark3 => true,
+            ToolType::KitOfMasterSystem => true,
+            ToolType::KitOfGenesis => true,
+            ToolType::KitOfSegaSaturn => true,
+            ToolType::KitOfDreamcast => true,
+            ToolType::Tablet => true,
+            ToolType::DragonScale => true,
+            ToolType::HeavenStrikerCoat => true,
+            ToolType::PioneerParts => true,
+            ToolType::AmitiesMemo => true,
+            ToolType::HeartOfMorolian => true,
+            ToolType::RappysBeak => true,
+            ToolType::YahoosEngine => true,
+            ToolType::DPhotonCore => true,
+            ToolType::LibertaKit => true,
+            ToolType::CellOfMag0503 => true,
+            ToolType::CellOfMag0504 => true,
+            ToolType::CellOfMag0505 => true,
+            ToolType::CellOfMag0506 => true,
+            ToolType::CellOfMag0507 => true,
+            _ => false,
+        }
+    }
+
     pub fn value(&self) -> [u8; 3] {
         match self {
             ToolType::Monomate => [0x03, 0x00, 0x00],

src/lib.rs

@@ -3,6 +3,8 @@
 #![feature(maybe_uninit_extra)]
 #![feature(const_in_array_repeat_expressions)]
 #![feature(drain_filter)]
+#![feature(or_patterns)]
+
 
 
 

src/login/character.rs

@@ -224,21 +224,11 @@ async fn new_character<EG: EntityGateway>(entity_gateway: &mut EG, user: &UserAc
             equipped: true,
             }}).await;
 
+    let mut mag = Mag::baby_mag(character.appearance.skin);
+    mag.change_owner(character.char_class, character.section_id);
     entity_gateway.create_item(
         NewItemEntity {
-            item: ItemDetail::Mag(
-                Mag {
-                    mag: MagType::Mag,
-                    def: 500,
-                    pow: 0,
-                    dex: 0,
-                    mnd: 0,
-                    synchro: 20,
-                    iq: 0,
-                    photon_blast: [None; 3],
-                    color: (character.appearance.skin % 18) as u8,
-                    modifiers: Vec::new(),
-                }),
+            item: ItemDetail::Mag(mag),
             location: ItemLocation::Inventory {
                 character_id: character.id,
                 slot: 2,

src/ship/drops/rare_drop_table.rs

@@ -136,18 +136,7 @@ impl RareDropTable {
                 })
             },
             RareDropItem::Mag(mag) => {
-                ItemDropType::Mag(Mag {
-                    mag: mag,
-                    def: 500,
-                    pow: 0,
-                    dex: 0,
-                    mnd: 0,
-                    iq: 0,
-                    synchro: 20,
-                    photon_blast: [None; 3],
-                    color: rng.gen_range(0, 18),
-                    modifiers: Vec::new(),
-                })
+                ItemDropType::Mag(Mag::baby_mag(rng.gen_range(0, 18)))
             }
         }
     }

src/ship/items/inventory.rs

@@ -3,6 +3,7 @@ use thiserror::Error;
 use libpso::character::character;//::InventoryItem;
 use crate::entity::item::{ItemEntityId, ItemDetail, ItemType};
 use crate::entity::item::tool::Tool;
+use crate::entity::item::mag::Mag;
 use crate::ship::items::{ClientItemId, BankItem, BankItemHandle};
 use crate::ship::items::floor::{IndividualFloorItem, StackedFloorItem};
 
@@ -20,6 +21,22 @@ pub struct IndividualInventoryItem {
     pub equipped: bool,
 }
 
+impl IndividualInventoryItem {
+    pub fn mag(&self) -> Option<&Mag> {
+        match self.item {
+            ItemDetail::Mag(ref mag) => Some(mag),
+            _ => None
+        }
+    }
+
+    pub fn mag_mut(&mut self) -> Option<&mut Mag> {
+        match self.item {
+            ItemDetail::Mag(ref mut mag) => Some(mag),
+            _ => None
+        }
+    }
+}
+
 #[derive(Debug, Clone)]
 pub struct StackedInventoryItem {
     pub entity_ids: Vec<ItemEntityId>,
@@ -57,6 +74,17 @@ pub enum InventoryItemAddToError {
 }
 
 impl InventoryItem {
+    pub fn entity_ids(&self) -> Vec<ItemEntityId> {
+        match self {
+            InventoryItem::Individual(individual_inventory_item) => {
+                vec![individual_inventory_item.entity_id]
+            },
+            InventoryItem::Stacked(stacked_inventory_item) => {
+                stacked_inventory_item.entity_ids.clone()
+            }
+        }
+    }
+
     pub fn item_id(&self) -> ClientItemId {
         match self {
             InventoryItem::Individual(individual_inventory_item) => {
@@ -179,6 +207,13 @@ impl InventoryItem {
         }
         Ok(())
     }
+
+    pub fn individual(&mut self) -> Option<&mut IndividualInventoryItem> {
+        match self {
+            InventoryItem::Individual(ref mut individual_inventory_item) => Some(individual_inventory_item),
+            _ => None
+        }
+    }
 }
 
 
@@ -365,6 +400,24 @@ impl CharacterInventory {
         })
     }
 
+    pub fn get_equipped_mag_handle<'a>(&'a mut self) -> Option<InventoryItemHandle<'a>> {
+        let (slot, _) = self.items.iter()
+            .enumerate()
+            .filter(|(_, item)| {
+                if let InventoryItem::Individual(individual_inventory_item) = item {
+                    if let ItemDetail::Mag(_) = &individual_inventory_item.item {
+                        return individual_inventory_item.equipped
+                    }
+                }
+                false
+            })
+            .nth(0)?;
+        Some(InventoryItemHandle {
+            inventory: self,
+            slot: slot,
+        })
+    }
+
     pub fn get_item_by_id(&self, item_id: ClientItemId) -> Option<&InventoryItem> {
         self.items.iter()
             .filter(|item| {

src/ship/items/manager.rs

@@ -5,7 +5,7 @@ use crate::entity::gateway::EntityGateway;
 use crate::entity::character::{CharacterEntity, CharacterEntityId};
 use crate::entity::item::{ItemDetail, ItemLocation, BankName};
 use crate::entity::item::{Meseta, NewItemEntity};
-use crate::entity::item::tool::Tool;
+use crate::entity::item::tool::{Tool, ToolType};
 use crate::ship::map::MapArea;
 use crate::ship::ship::ItemDropLocation;
 use crate::ship::drops::{ItemDrop, ItemDropType};
@@ -14,6 +14,7 @@ use crate::ship::location::{AreaClient, RoomId};
 use crate::ship::items::bank::*;
 use crate::ship::items::floor::*;
 use crate::ship::items::inventory::*;
+use crate::ship::items::use_tool;
 
 
 pub enum TriggerCreateItem {
@@ -36,6 +37,8 @@ pub enum ItemManagerError {
     NotEnoughTools(Tool, usize, usize), // have, expected
     InventoryItemConsumeError(#[from] InventoryItemConsumeError),
     BankFull,
+    WrongItemType(ClientItemId),
+    UseItemError(#[from] use_tool::UseItemError),
 }
 
 pub struct ItemManager {
@@ -260,6 +263,9 @@ impl ItemManager {
                                 equipped: false,
                             }
                         ).await;
+                        if let Some(_) = new_inventory_item.mag() {
+                            entity_gateway.change_mag_owner(&new_inventory_item.entity_id, character).await;
+                        }
                     },
                     None => {
                         return Err(ItemManagerError::CouldNotAddToInventory(item_id));
@@ -508,7 +514,7 @@ impl ItemManager {
                                                          character: &CharacterEntity,
                                                          item_id: ClientItemId,
                                                          amount: usize)
-                                                         -> Result<ItemDetail, ItemManagerError> {
+                                                         -> Result<ConsumedItem, ItemManagerError> {
         let inventory = self.character_inventory.get_mut(&character.id).ok_or(ItemManagerError::NoCharacter(character.id))?;
         let used_item = inventory.get_item_handle_by_id(item_id).ok_or(ItemManagerError::NoSuchItemId(item_id))?;
         let consumed_item = used_item.consume(amount)?;
@@ -518,7 +524,7 @@ impl ItemManager {
                                                 ItemLocation::Consumed).await;
         }
 
-        Ok(consumed_item.item())
+        Ok(consumed_item)
     }
 
     pub async fn player_deposits_item<EG: EntityGateway>(&mut self,
@@ -595,4 +601,155 @@ impl ItemManager {
 
         Ok(inventory_item.0)
     }
+
+    pub async fn player_feeds_mag_item<EG: EntityGateway>(&mut self,
+                                                          entity_gateway: &mut EG,
+                                                          character: &CharacterEntity,
+                                                          mag_id: ClientItemId,
+                                                          tool_id: ClientItemId)
+                                                          -> Result<(), ItemManagerError> {
+        let inventory = self.character_inventory.get_mut(&character.id).ok_or(ItemManagerError::NoCharacter(character.id))?;
+        let consumed_tool = {
+            let item_to_feed = inventory.get_item_handle_by_id(tool_id).ok_or(ItemManagerError::NoSuchItemId(tool_id))?;
+            item_to_feed.consume(1)?
+        };
+        let mut mag_handle = inventory.get_item_handle_by_id(mag_id).ok_or(ItemManagerError::NoSuchItemId(mag_id))?;
+
+        let individual_item = mag_handle.item_mut()
+            .ok_or(ItemManagerError::NoSuchItemId(mag_id))?
+            .individual()
+            .ok_or(ItemManagerError::WrongItemType(mag_id))?;
+        let mag = individual_item
+            .mag_mut()
+            .ok_or(ItemManagerError::WrongItemType(mag_id))?;
+
+        let consumed_tool_type = match &consumed_tool {
+            ConsumedItem::Stacked(stacked_consumed_item) => stacked_consumed_item.tool.tool,
+            _ => return Err(ItemManagerError::WrongItemType(tool_id))
+        };
+        mag.feed(consumed_tool_type);
+
+        for entity_id in consumed_tool.entity_ids() {
+            entity_gateway.feed_mag(&individual_item.entity_id, &entity_id).await;
+            entity_gateway.change_item_location(&entity_id, ItemLocation::FedToMag {
+                mag: individual_item.entity_id,
+            }).await;
+        }
+
+        Ok(())
+    }
+
+
+    pub async fn use_item<EG: EntityGateway>(&mut self,
+                                             used_item: ConsumedItem,
+                                             entity_gateway: &mut EG,
+                                             character: &mut CharacterEntity) -> Result<(), ItemManagerError> {
+        let inventory = self.character_inventory.get_mut(&character.id).ok_or(ItemManagerError::NoCharacter(character.id))?;
+        match &used_item.item() {
+            ItemDetail::Weapon(_w) => {
+                // something like when items are used to combine/transform them?
+                //_ => {}
+            },
+            ItemDetail::Tool(t) => {
+                match t.tool {
+                    ToolType::PowerMaterial => {
+                        use_tool::power_material(entity_gateway, character).await;
+                    },
+                    ToolType::MindMaterial => {
+                        use_tool::mind_material(entity_gateway, character).await;
+                    },
+                    ToolType::EvadeMaterial => {
+                        use_tool::evade_material(entity_gateway, character).await;
+                    },
+                    ToolType::DefMaterial => {
+                        use_tool::def_material(entity_gateway, character).await;
+                    },
+                    ToolType::LuckMaterial => {
+                        use_tool::luck_material(entity_gateway, character).await;
+                    },
+                    ToolType::HpMaterial => {
+                        use_tool::hp_material(entity_gateway, character).await;
+                    },
+                    ToolType::TpMaterial => {
+                        use_tool::tp_material(entity_gateway, character).await;
+                    },
+                    ToolType::CellOfMag502 => {
+                        use_tool::cell_of_mag_502(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::CellOfMag213 => {
+                        use_tool::cell_of_mag_213(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::PartsOfRobochao => {
+                        use_tool::parts_of_robochao(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::HeartOfOpaOpa => {
+                        use_tool::heart_of_opaopa(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::HeartOfPian => {
+                        use_tool::heart_of_pian(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::HeartOfChao=> {
+                        use_tool::heart_of_chao(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::HeartOfAngel => {
+                        use_tool::heart_of_angel(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::KitOfHamburger => {
+                        use_tool::kit_of_hamburger(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::PanthersSpirit => {
+                        use_tool::panthers_spirit(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::KitOfMark3 => {
+                        use_tool::kit_of_mark3(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::KitOfMasterSystem=> {
+                        use_tool::kit_of_master_system(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::KitOfGenesis => {
+                        use_tool::kit_of_genesis(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::KitOfSegaSaturn => {
+                        use_tool::kit_of_sega_saturn(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::KitOfDreamcast => {
+                        use_tool::kit_of_dreamcast(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::Tablet => {
+                        use_tool::tablet(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::DragonScale => {
+                        use_tool::dragon_scale(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::HeavenStrikerCoat => {
+                        use_tool::heaven_striker_coat(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::PioneerParts => {
+                        use_tool::pioneer_parts(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::AmitiesMemo => {
+                        use_tool::amities_memo(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::HeartOfMorolian => {
+                        use_tool::heart_of_morolian(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::RappysBeak => {
+                        use_tool::rappys_beak(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::YahoosEngine => {
+                        use_tool::yahoos_engine(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::DPhotonCore => {
+                        use_tool::d_photon_core(entity_gateway, &used_item, inventory).await?;
+                    },
+                    ToolType::LibertaKit => {
+                        use_tool::liberta_kit(entity_gateway, &used_item, inventory).await?;
+                    },
+                    _ => {}
+                }
+            }
+            _ => {}
+        }
+        Ok(())
+    }
 }

src/ship/items/mod.rs

@@ -2,6 +2,7 @@ mod bank;
 mod floor;
 mod inventory;
 mod manager;
+pub mod use_tool;
 
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct ClientItemId(pub u32);

src/ship/items/use_tool.rs

@@ -0,0 +1,175 @@
+use thiserror::Error;
+use crate::entity::gateway::EntityGateway;
+use crate::entity::character::CharacterEntity;
+use crate::entity::item::{ItemEntityId, ItemDetail};
+use crate::entity::item::tool::ToolType;
+use crate::entity::item::mag::MagCell;
+use crate::ship::items::{ItemManager, ClientItemId, CharacterInventory, ConsumedItem};
+
+
+
+
+
+#[derive(Error, Debug)]
+#[error("")]
+pub enum UseItemError {
+    NoCharacter,
+    ItemNotEquipped,
+    InvalidItem,
+}
+
+
+
+
+
+//pub fn use_tool()
+
+pub async fn power_material<EG: EntityGateway>(entity_gateway: &mut EG, character: &mut CharacterEntity) {
+    character.materials.power += 1;
+    entity_gateway.save_character(character).await;
+}
+
+pub async fn mind_material<EG: EntityGateway>(entity_gateway: &mut EG, character: &mut CharacterEntity) {
+    character.materials.mind += 1;
+    entity_gateway.save_character(character).await;
+}
+
+pub async fn evade_material<EG: EntityGateway>(entity_gateway: &mut EG, character: &mut CharacterEntity) {
+    character.materials.evade += 1;
+    entity_gateway.save_character(character).await;
+}
+
+pub async fn def_material<EG: EntityGateway>(entity_gateway: &mut EG, character: &mut CharacterEntity) {
+    character.materials.def += 1;
+    entity_gateway.save_character(character).await;
+}
+
+pub async fn luck_material<EG: EntityGateway>(entity_gateway: &mut EG, character: &mut CharacterEntity) {
+    character.materials.luck += 1;
+    entity_gateway.save_character(character).await;
+}
+
+pub async fn hp_material<EG: EntityGateway>(entity_gateway: &mut EG, character: &mut CharacterEntity) {
+    character.materials.hp += 1;
+    entity_gateway.save_character(character).await;
+}
+
+pub async fn tp_material<EG: EntityGateway>(entity_gateway: &mut EG, character: &mut CharacterEntity) {
+    character.materials.tp += 1;
+    entity_gateway.save_character(character).await;
+}
+
+async fn mag_cell<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory, mag_cell_type: MagCell) -> Result<(), UseItemError> {
+    let mut mag_handle = inventory.get_equipped_mag_handle().ok_or(UseItemError::ItemNotEquipped)?;
+    let mag_item = mag_handle.item_mut()
+        .ok_or(UseItemError::InvalidItem)?;
+    let actual_mag = mag_item
+        .individual()
+        .ok_or(UseItemError::InvalidItem)?
+        .mag_mut()
+        .ok_or(UseItemError::InvalidItem)?;
+    actual_mag.apply_mag_cell(mag_cell_type);
+    for mag_entity_id in mag_item.entity_ids() {
+        for cell_entity_id in used_cell.entity_ids() {
+            entity_gateway.use_mag_cell(&mag_entity_id, &cell_entity_id).await;
+        }
+    }
+
+    Ok(())
+}
+
+pub async fn cell_of_mag_502<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::CellOfMag502).await
+}
+
+pub async fn cell_of_mag_213<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::CellOfMag213).await
+}
+
+pub async fn parts_of_robochao<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::PartsOfRobochao).await
+}
+
+pub async fn heart_of_opaopa<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::HeartOfOpaOpa).await
+}
+
+pub async fn heart_of_pian<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::HeartOfPian).await
+}
+
+pub async fn heart_of_chao<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::HeartOfChao).await
+}
+
+pub async fn heart_of_angel<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::HeartOfAngel).await
+}
+
+pub async fn kit_of_hamburger<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::KitOfHamburger).await
+}
+
+pub async fn panthers_spirit<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::PanthersSpirit).await
+}
+
+pub async fn kit_of_mark3<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::KitOfMark3).await
+}
+
+pub async fn kit_of_master_system<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::KitOfMasterSystem).await
+}
+
+pub async fn kit_of_genesis<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::KitOfGenesis).await
+}
+
+pub async fn kit_of_sega_saturn<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::KitOfSegaSaturn).await
+}
+
+pub async fn kit_of_dreamcast<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::KitOfDreamcast).await
+}
+
+pub async fn tablet<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::Tablet).await
+}
+
+pub async fn dragon_scale<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::DragonScale).await
+}
+
+pub async fn heaven_striker_coat<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::HeavenStrikerCoat).await
+}
+
+pub async fn pioneer_parts<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::PioneerParts).await
+}
+
+pub async fn amities_memo<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::AmitiesMemo).await
+}
+
+pub async fn heart_of_morolian<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::HeartOfMorolian).await
+}
+
+pub async fn rappys_beak<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::RappysBeak).await
+}
+
+pub async fn yahoos_engine<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::YahoosEngine).await
+}
+
+pub async fn d_photon_core<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::DPhotonCore).await
+}
+
+pub async fn liberta_kit<EG: EntityGateway>(entity_gateway: &mut EG, used_cell: &ConsumedItem, inventory: &mut CharacterInventory) -> Result<(), UseItemError> {
+    mag_cell(entity_gateway, used_cell, inventory, MagCell::LibertaKit).await
+}

src/ship/packet/handler/message.rs

@@ -263,50 +263,9 @@ where
     EG: EntityGateway
 {
     let client = clients.get_mut(&id).ok_or(ShipError::ClientNotFound(id))?;
-
     let item_used_type = item_manager.player_consumes_tool(entity_gateway, &client.character, ClientItemId(player_use_tool.item_id), 1).await?;
 
-    match item_used_type {
-        ItemDetail::Weapon(_w) => {
-            // something like when items are used to combine/transform them?
-            //_ => {}
-        },
-        ItemDetail::Tool(t) => {
-            match t.tool {
-                ToolType::PowerMaterial => {
-                    client.character.materials.power += 1;
-                    entity_gateway.save_character(&client.character).await;
-                },
-                ToolType::MindMaterial => {
-                    client.character.materials.mind += 1;
-                    entity_gateway.save_character(&client.character).await;
-                },
-                ToolType::EvadeMaterial => {
-                    client.character.materials.evade += 1;
-                    entity_gateway.save_character(&client.character).await;
-                },
-                ToolType::DefMaterial => {
-                    client.character.materials.def += 1;
-                    entity_gateway.save_character(&client.character).await;
-                },
-                ToolType::LuckMaterial => {
-                    client.character.materials.luck += 1;
-                    entity_gateway.save_character(&client.character).await;
-                },
-                ToolType::HpMaterial => {
-                    client.character.materials.hp += 1;
-                    entity_gateway.save_character(&client.character).await;
-                },
-                ToolType::TpMaterial => {
-                    client.character.materials.tp += 1;
-                    entity_gateway.save_character(&client.character).await;
-                },
-                _ => {}
-            }
-        }
-        _ => {}
-    }
-
+    item_manager.use_item(item_used_type, entity_gateway, &mut client.character).await?;
     Ok(Box::new(None.into_iter()))
 }
 
@@ -326,4 +285,25 @@ EG: EntityGateway
     } else {
         Err(ShipError::NotEnoughMeseta(id, client.character.meseta))
     }
-}
+}
+
+
+pub async fn player_feed_mag<EG>(id: ClientId,
+                                 mag_feed: &PlayerFeedMag,
+                                 entity_gateway: &mut EG,
+                                 client_location: &ClientLocation,
+                                 clients: &Clients,
+                                 item_manager: &mut ItemManager)
+                                 -> Result<Box<dyn Iterator<Item = (ClientId, SendShipPacket)> + Send>, ShipError>
+where
+    EG: EntityGateway
+{
+    let client = clients.get(&id).ok_or(ShipError::ClientNotFound(id))?;
+    item_manager.player_feeds_mag_item(entity_gateway, &client.character, ClientItemId(mag_feed.mag_id), ClientItemId(mag_feed.item_id)).await?;
+
+    let mag_feed = mag_feed.clone();
+    Ok(Box::new(client_location.get_client_neighbors(id).unwrap().into_iter()
+                    .map(move |client| {
+                        (client.client, SendShipPacket::Message(Message::new(GameMessage::PlayerFeedMag(mag_feed.clone()))))
+                    })))
+}

src/ship/ship.rs

@@ -348,6 +348,9 @@ impl<EG: EntityGateway> ShipServerState<EG> {
             GameMessage::PlayerUsedMedicalCenter(player_used_medical_center) => {
                 handler::message::player_used_medical_center(id, &player_used_medical_center, &mut self.entity_gateway, &mut self.clients).await
             },
+            GameMessage::PlayerFeedMag(player_feed_mag) => {
+                handler::message::player_feed_mag(id, &player_feed_mag, &mut self.entity_gateway, &mut self.client_location, &mut self.clients, &mut self.item_manager).await
+            },
             _ => {
                 let cmsg = msg.clone();
                 Ok(Box::new(self.client_location.get_client_neighbors(id).unwrap().into_iter()

tests/test_mags.rs

@@ -0,0 +1,210 @@
+use elseware::common::serverstate::{ClientId, ServerState};
+use elseware::entity::gateway::{EntityGateway, InMemoryGateway};
+use elseware::entity::item;
+use elseware::ship::ship::{ShipServerState, RecvShipPacket, SendShipPacket};
+use elseware::entity::character::{CharacterClass, SectionID};
+
+use libpso::packet::ship::*;
+use libpso::packet::messages::*;
+
+#[path = "common.rs"]
+mod common;
+use common::*;
+
+#[async_std::test]
+async fn test_mag_feed() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+
+    entity_gateway.create_item(
+        item::NewItemEntity {
+            item: item::ItemDetail::Mag(
+                item::mag::Mag::baby_mag(0)
+            ),
+            location: item::ItemLocation::Inventory {
+                character_id: char1.id,
+                slot: 0,
+                equipped: true,
+            }
+        }).await;
+    for _ in 0..7 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Inventory {
+                    character_id: char1.id,
+                    slot: 1,
+                    equipped: false,
+                }
+            }).await;
+    }
+
+    let mut ship = 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;
+
+    for _ in 0..7 {
+        ship.handle(ClientId(1), &RecvShipPacket::Message(Message::new(GameMessage::PlayerFeedMag(PlayerFeedMag {
+            client: 0,
+            target: 0,
+            mag_id: 0x10000,
+            item_id: 0x10001,
+        })))).await.unwrap().for_each(drop);
+    }
+
+    let p1_items = entity_gateway.get_items_by_character(&char1).await;
+    let mag = p1_items.get(0).unwrap();
+    match &mag.item {
+        item::ItemDetail::Mag(mag) => {
+            assert!(mag.level() == 7);
+            assert!(mag.def() == 5);
+            assert!(mag.pow() == 2);
+            assert!(mag.dex() == 0);
+            assert!(mag.mind() == 0);
+        }
+        _ => panic!()
+    }
+}
+
+#[async_std::test]
+async fn test_mag_change_owner() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, mut char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+    let (_user2, mut char2) = new_user_character(&mut entity_gateway, "a2", "a").await;
+    char1.char_class = CharacterClass::RAmarl;
+    char1.section_id = SectionID::Redria;
+    entity_gateway.save_character(&char1).await;
+    char2.char_class = CharacterClass::FOmarl;
+    char2.section_id = SectionID::Whitill;
+    entity_gateway.save_character(&char2).await;
+
+    entity_gateway.create_item(
+        item::NewItemEntity {
+            item: item::ItemDetail::Mag(
+                item::mag::Mag::baby_mag(0)
+            ),
+            location: item::ItemLocation::Inventory {
+                character_id: char1.id,
+                slot: 0,
+                equipped: true,
+            }
+        }).await;
+
+    let mut ship = ShipServerState::builder()
+        .gateway(entity_gateway.clone())
+        .build();
+    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
+    log_in_char(&mut ship, ClientId(2), "a2", "a").await;
+    join_lobby(&mut ship, ClientId(1)).await;
+    join_lobby(&mut ship, ClientId(2)).await;
+    create_room(&mut ship, ClientId(1), "room", "").await;
+    join_room(&mut ship, ClientId(2), 0).await;
+
+    ship.handle(ClientId(1), &RecvShipPacket::Message(Message::new(GameMessage::PlayerDropItem(PlayerDropItem {
+        client: 0,
+        target: 0,
+        unknown1: 0,
+        map_area: 0,
+        item_id: 0x10000,
+        x: 0.0,
+        y: 0.0,
+        z: 0.0,
+    })))).await.unwrap().for_each(drop);
+
+    ship.handle(ClientId(2), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
+        client: 0,
+        target: 0,
+        item_id: 0x10000,
+        map_area: 0,
+        unknown: [0; 3]
+    })))).await.unwrap().for_each(drop);
+
+    let p2_items = entity_gateway.get_items_by_character(&char2).await;
+    let mag = p2_items.get(0).unwrap();
+    match &mag.item {
+        item::ItemDetail::Mag(mag) => {
+            assert!(mag.class == CharacterClass::FOmarl);
+            assert!(mag.id == SectionID::Whitill);
+        },
+        _ => panic!()
+    }
+}
+
+
+#[async_std::test]
+async fn test_mag_cell() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+
+    let mag = entity_gateway.create_item(
+        item::NewItemEntity {
+            item: item::ItemDetail::Mag(
+                item::mag::Mag::baby_mag(0)
+            ),
+            location: item::ItemLocation::Inventory {
+                character_id: char1.id,
+                slot: 0,
+                equipped: true,
+            }
+        }).await.unwrap();
+
+    for _ in 0..1000 {
+        let fed_tool = entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool (
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::FedToMag {
+                    mag: mag.id,
+                }
+            }).await.unwrap();
+        entity_gateway.feed_mag(&mag.id, &fed_tool.id).await;
+    }
+    entity_gateway.create_item(
+        item::NewItemEntity {
+            item: item::ItemDetail::Tool(
+                item::tool::Tool {
+                    tool: item::tool::ToolType::CellOfMag502,
+                }
+            ),
+            location: item::ItemLocation::Inventory {
+                character_id: char1.id,
+                slot: 1,
+                equipped: false,
+            }
+        }).await;
+
+    let mut ship = 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().for_each(drop);
+
+    let p1_items = entity_gateway.get_items_by_character(&char1).await;
+    let mag = p1_items.get(0).unwrap();
+    match &mag.item {
+        item::ItemDetail::Mag(mag) => {
+            assert!(mag.mag == item::mag::MagType::Soniti);
+        }
+        _ => panic!()
+    }
+}