add interface

src/interfaces/erc721.cairo

@@ -3,5 +3,5 @@ use starknet::ContractAddress;
 
 #[dojo::interface]
 trait IERC721System {
-    fn owner_of(ref world: IWorldDispatcher, token_id: u256) -> ContractAddress;
+    fn owner_of(world: @IWorldDispatcher, token_id: u256) -> ContractAddress;
 }

src/interfaces/loot_survivor.cairo

@@ -1,8 +1,45 @@
 use dojo::world::{IWorldDispatcher, IWorldDispatcherTrait};
+#[derive(Drop, Copy, PartialEq, Serde)]
+struct Item { // 21 storage bits
+    id: u8, // 7 bits
+    xp: u16, // 9 bits
+}
+
+#[derive(Drop, Copy, Serde, PartialEq)]
+struct Equipment { // 128 bits
+    weapon: Item,
+    chest: Item,
+    head: Item,
+    waist: Item, // 16 bits per item
+    foot: Item,
+    hand: Item,
+    neck: Item,
+    ring: Item,
+}
+
+#[derive(Drop, Copy, Serde, PartialEq)]
+struct Stats { // 30 bits total
+    strength: u8,
+    dexterity: u8,
+    vitality: u8, // 5 bits per stat
+    intelligence: u8,
+    wisdom: u8,
+    charisma: u8,
+    luck: u8 // dynamically generated, not stored.
+}
 
 #[derive(Drop, Copy, Serde)]
 struct Adventurer {
-    xp: u16
+    health: u16, // 10 bits
+    xp: u16, // 15 bits
+    gold: u16, // 9 bits
+    beast_health: u16, // 10 bits
+    stat_upgrades_available: u8, // 4 bits
+    stats: Stats, // 30 bits
+    equipment: Equipment, // 128 bits
+    battle_action_count: u8, // 8 bits
+    mutated: bool, // not packed
+    awaiting_item_specials: bool, // not packed
 }
 
 #[dojo::interface]

src/models/status/round/adventurer.cairo

@@ -2,7 +2,9 @@ use core::num::traits::{Sqrt};
 use dojo::world::{IWorldDispatcher, IWorldDispatcherTrait};
 
 use jokers_of_neon::interfaces::erc721::{IERC721SystemDispatcher, IERC721SystemDispatcherTrait};
-use jokers_of_neon::interfaces::loot_survivor::{ILootSurvivorSystemDispatcher, ILootSurvivorSystemDispatcherTrait};
+use jokers_of_neon::interfaces::loot_survivor::{
+    ILootSurvivorSystemDispatcher, ILootSurvivorSystemDispatcherTrait, Adventurer
+};
 use jokers_of_neon::models::data::adventurer::{AdventurerConsumed, AdventurerConsumedStore};
 use jokers_of_neon::utils::adventurer::get_adventurer_address;
 use starknet::{ContractAddress, get_caller_address, get_tx_info};