Refactor global block container system

pumpkin-core/src/math/position.rs

@@ -5,7 +5,7 @@ use crate::math::vector2::Vector2;
 use num_traits::Euclid;
 use serde::{Deserialize, Serialize};
 
-#[derive(Clone, Copy, PartialEq, Eq)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash)]
 /// Aka Block Position
 pub struct WorldPosition(pub Vector3<i32>);
 

pumpkin-inventory/Cargo.toml

@@ -18,3 +18,5 @@ thiserror.workspace = true
 
 num-traits.workspace = true
 num-derive.workspace = true
+rand = "0.8.5"
+uuid = { version = "1.11.0", features = ["v4"] }

pumpkin-inventory/src/lib.rs

@@ -94,11 +94,18 @@ pub trait Container: Sync + Send {
 
     fn all_slots_ref(&self) -> Vec<Option<&ItemStack>>;
 
-    fn clear_all_slots(&mut self) {
-        let all_slots = self.all_slots();
-        for stack in all_slots {
-            *stack = None;
+    fn destroy_container(
+        &mut self,
+        player_inventory: &mut PlayerInventory,
+        carried_item: &mut Option<ItemStack>,
+        unique: bool,
+    ) {
+        if unique {
+            self.combine_container_with_player_inventory(player_inventory)
         }
+        // TODO: Add drop for these remaining things
+        self.all_slots().into_iter().for_each(|slot| *slot = None);
+        *carried_item = None;
     }
 
     fn all_combinable_slots(&self) -> Vec<Option<&ItemStack>> {
@@ -132,6 +139,44 @@ pub trait Container: Sync + Send {
     }
 
     fn recipe_used(&mut self) {}
+
+    fn combine_container_with_player_inventory(&mut self, player_inventory: &mut PlayerInventory) {
+        let slots = self
+            .all_slots()
+            .into_iter()
+            .filter_map(|slot| {
+                if let Some(stack) = slot {
+                    let stack = *stack;
+                    Some((slot, stack))
+                } else {
+                    None
+                }
+            })
+            .collect::<Vec<_>>();
+        let mut receiving_slots = player_inventory
+            .slots_with_hotbar_first()
+            .collect::<Vec<_>>();
+
+        for (slot, stack) in slots {
+            let matches = receiving_slots.iter_mut().filter_map(|slot| {
+                if let Some(receiving_stack) = slot {
+                    if receiving_stack.item_id == stack.item_id {
+                        Some(receiving_stack)
+                    } else {
+                        None
+                    }
+                } else {
+                    None
+                }
+            });
+            for receiving_slot in matches {
+                if slot.is_none() {
+                    break;
+                }
+                combine_stacks(slot, receiving_slot, MouseClick::Left);
+            }
+        }
+    }
 }
 
 pub struct EmptyContainer;

pumpkin-inventory/src/open_container.rs

@@ -1,22 +1,111 @@
 use crate::crafting::check_if_matches_crafting;
+use crate::player::PlayerInventory;
 use crate::{Container, WindowType};
 use pumpkin_core::math::position::WorldPosition;
 use pumpkin_world::block::block_registry::Block;
 use pumpkin_world::item::ItemStack;
+use rand::random;
+use std::collections::HashMap;
 use std::sync::Arc;
 use tokio::sync::Mutex;
+use uuid::Uuid;
+
+#[derive(Default)]
+pub struct ContainerHolder {
+    pub containers_by_id: HashMap<usize, OpenContainer>,
+    pub location_to_container_id: HashMap<WorldPosition, usize>,
+}
+
+impl ContainerHolder {
+    pub async fn destroy(
+        &mut self,
+        id: usize,
+        player_inventory: &mut PlayerInventory,
+        carried_item: &mut Option<ItemStack>,
+    ) -> Vec<Uuid> {
+        if let Some(container) = self.containers_by_id.remove(&id) {
+            let unique = container.unique;
+            let players = container.players;
+            let mut container = container.container.lock().await;
+            container.destroy_container(player_inventory, carried_item, unique);
+            players
+        } else {
+            vec![]
+        }
+    }
+
+    pub async fn destroy_by_location(
+        &mut self,
+        location: &WorldPosition,
+        player_inventory: &mut PlayerInventory,
+        carried_item: &mut Option<ItemStack>,
+    ) -> Vec<Uuid> {
+        if let Some(id) = self.location_to_container_id.remove(location) {
+            self.destroy(id, player_inventory, carried_item).await
+        } else {
+            vec![]
+        }
+    }
+
+    pub fn get_by_location(&self, location: &WorldPosition) -> Option<&OpenContainer> {
+        self.containers_by_id
+            .get(self.location_to_container_id.get(location)?)
+    }
+
+    pub fn get_mut_by_location(&mut self, location: &WorldPosition) -> Option<&mut OpenContainer> {
+        self.containers_by_id
+            .get_mut(self.location_to_container_id.get(location)?)
+    }
+
+    pub fn new_by_location<C: Container + Default + 'static>(
+        &mut self,
+        location: WorldPosition,
+        block: Option<Block>,
+    ) -> Option<&mut OpenContainer> {
+        if self.location_to_container_id.contains_key(&location) {
+            return None;
+        }
+        let id = self.new_container::<C>(block, false);
+        self.location_to_container_id.insert(location, id);
+        self.containers_by_id.get_mut(&id)
+    }
+
+    pub fn new_container<C: Container + Default + 'static>(
+        &mut self,
+        block: Option<Block>,
+        unique: bool,
+    ) -> usize {
+        let mut id: usize = random();
+        let mut new_container = OpenContainer::new_empty_container::<C>(block, unique);
+        while let Some(container) = self.containers_by_id.insert(id, new_container) {
+            new_container = container;
+            id = random();
+        }
+        id
+    }
+
+    pub fn new_unique<C: Container + Default + 'static>(
+        &mut self,
+        block: Option<Block>,
+        player_id: Uuid,
+    ) -> usize {
+        let id = self.new_container::<C>(block, true);
+        let container = self.containers_by_id.get_mut(&id).expect("just created it");
+        container.players.push(player_id);
+        id
+    }
+}
 
 pub struct OpenContainer {
-    // TODO: unique id should be here
-    // TODO: should this be uuid?
-    players: Vec<i32>,
-    container: Arc<Mutex<Box<dyn Container>>>,
-    location: Option<WorldPosition>,
+    pub unique: bool,
     block: Option<Block>,
+    pub id: usize,
+    container: Arc<Mutex<Box<dyn Container>>>,
+    players: Vec<Uuid>,
 }
 
 impl OpenContainer {
-    pub fn try_open(&self, player_id: i32) -> Option<&Arc<Mutex<Box<dyn Container>>>> {
+    pub fn try_open(&self, player_id: Uuid) -> Option<&Arc<Mutex<Box<dyn Container>>>> {
         if !self.players.contains(&player_id) {
             log::debug!("couldn't open container");
             return None;
@@ -25,13 +114,13 @@ impl OpenContainer {
         Some(container)
     }
 
-    pub fn add_player(&mut self, player_id: i32) {
+    pub fn add_player(&mut self, player_id: Uuid) {
         if !self.players.contains(&player_id) {
             self.players.push(player_id);
         }
     }
 
-    pub fn remove_player(&mut self, player_id: i32) {
+    pub fn remove_player(&mut self, player_id: Uuid) {
         if let Some(index) = self.players.iter().enumerate().find_map(|(index, id)| {
             if *id == player_id {
                 Some(index)
@@ -44,53 +133,34 @@ impl OpenContainer {
     }
 
     pub fn new_empty_container<C: Container + Default + 'static>(
-        player_id: i32,
-        location: Option<WorldPosition>,
         block: Option<Block>,
+        unique: bool,
     ) -> Self {
         Self {
-            players: vec![player_id],
+            unique,
+            players: vec![],
             container: Arc::new(Mutex::new(Box::new(C::default()))),
-            location,
             block,
+            id: 0,
         }
     }
 
-    pub fn is_location(&self, try_position: WorldPosition) -> bool {
-        if let Some(location) = self.location {
-            location == try_position
-        } else {
-            false
-        }
-    }
-
-    pub async fn clear_all_slots(&self) {
-        self.container.lock().await.clear_all_slots();
-    }
-
     pub fn clear_all_players(&mut self) {
         self.players = vec![];
     }
 
-    pub fn all_player_ids(&self) -> Vec<i32> {
-        self.players.clone()
-    }
-
-    pub fn get_number_of_players(&self) -> usize {
-        self.players.len()
-    }
-
-    pub fn get_location(&self) -> Option<WorldPosition> {
-        self.location
-    }
-
-    pub async fn set_location(&mut self, location: Option<WorldPosition>) {
-        self.location = location;
+    pub fn all_player_ids(&self) -> &[Uuid] {
+        &self.players
     }
 
     pub fn get_block(&self) -> Option<Block> {
         self.block.clone()
     }
+
+    pub async fn window_type(&self) -> &'static WindowType {
+        let container = self.container.lock().await;
+        container.window_type()
+    }
 }
 #[derive(Default)]
 pub struct Chest([Option<ItemStack>; 27]);

pumpkin/src/block/block_manager.rs

@@ -2,7 +2,6 @@ use crate::block::pumpkin_block::{BlockMetadata, PumpkinBlock};
 use crate::entity::player::Player;
 use crate::server::Server;
 use pumpkin_core::math::position::WorldPosition;
-use pumpkin_inventory::OpenContainer;
 use pumpkin_world::block::block_registry::Block;
 use pumpkin_world::item::item_registry::Item;
 use std::collections::HashMap;
@@ -91,13 +90,10 @@ impl BlockManager {
         player: &Player,
         location: WorldPosition,
         server: &Server,
-        container: &mut OpenContainer,
     ) {
         let pumpkin_block = self.get_pumpkin_block(block);
         if let Some(pumpkin_block) = pumpkin_block {
-            pumpkin_block
-                .on_close(block, player, location, server, container)
-                .await;
+            pumpkin_block.on_close(player, location, server).await;
         }
     }