Added Player inventory (WIP)

pumpkin-inventory/Cargo.toml

@@ -5,4 +5,7 @@ edition.workspace = true
 
 [dependencies]
 num-traits = "0.2"
-num-derive = "0.4"
+num-derive = "0.4"
+
+# For items
+pumpkin-world = { path = "../pumpkin-world"}

pumpkin-inventory/src/lib.rs

@@ -1,5 +1,7 @@
 use num_derive::ToPrimitive;
 
+pub mod player;
+
 /// https://wiki.vg/Inventory
 #[derive(Debug, ToPrimitive)]
 pub enum WindowType {

pumpkin-inventory/src/player.rs

@@ -0,0 +1,35 @@
+use pumpkin_world::item::Item;
+
+pub struct PlayerInventory {
+    // Main Inventory + Hotbar
+    items: [Option<Item>; 36],
+    armor: [Option<Item>; 4],
+    offhand: Option<Item>,
+    // current selected slot in hortbar
+    selected: i16,
+}
+
+impl Default for PlayerInventory {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl PlayerInventory {
+    pub fn new() -> Self {
+        Self {
+            items: [None; 36],
+            armor: [None; 4],
+            offhand: None,
+            // TODO: What when player spawns in with an diffrent index ?
+            selected: 0,
+        }
+    }
+
+    pub fn set_slot(slot: u32, item: Item) {}
+
+    pub fn set_selected(&mut self, slot: i16) {
+        assert!((0..9).contains(&slot));
+        self.selected = slot;
+    }
+}

pumpkin-protocol/src/server/play/mod.rs

@@ -1,25 +1,27 @@
-mod c_client_information;
-mod c_interact;
 mod s_chat_command;
 mod s_chat_message;
+mod s_client_information;
 mod s_confirm_teleport;
+mod s_interact;
 mod s_player_action;
 mod s_player_command;
 mod s_player_position;
 mod s_player_position_rotation;
 mod s_player_rotation;
+mod s_set_held_item;
 mod s_swing_arm;
 mod s_use_item_on;
 
-pub use c_client_information::*;
-pub use c_interact::*;
 pub use s_chat_command::*;
 pub use s_chat_message::*;
+pub use s_client_information::*;
 pub use s_confirm_teleport::*;
+pub use s_interact::*;
 pub use s_player_action::*;
 pub use s_player_command::*;
 pub use s_player_position::*;
 pub use s_player_position_rotation::*;
 pub use s_player_rotation::*;
+pub use s_set_held_item::*;
 pub use s_swing_arm::*;
 pub use s_use_item_on::*;

pumpkin-protocol/src/server/play/c_interact.rs → pumpkin-protocol/src/server/play/s_interact.rs

@@ -1,5 +1,4 @@
 use pumpkin_macros::packet;
-use serde::Deserialize;
 
 use crate::{ServerPacket, VarInt};
 

pumpkin-protocol/src/server/play/s_set_held_item.rs

@@ -0,0 +1,8 @@
+use pumpkin_macros::packet;
+use serde::Deserialize;
+
+#[derive(Deserialize)]
+#[packet(0x2F)]
+pub struct SSetHeldItem {
+    pub slot: i16,
+}

pumpkin-world/src/item/mod.rs

@@ -9,3 +9,6 @@ pub enum Raritiy {
     Rare,
     Epic,
 }
+
+#[derive(Clone, Copy)]
+pub struct Item {}

pumpkin-world/src/lib.rs

@@ -3,8 +3,8 @@ pub mod dimension;
 pub const WORLD_HEIGHT: usize = 384;
 pub const WORLD_Y_START_AT: i32 = -64;
 pub const DIRECT_PALETTE_BITS: u32 = 15;
-mod block;
+pub mod block;
 mod global_registry;
-mod item;
+pub mod item;
 pub mod radial_chunk_iterator;
 mod world;

pumpkin/src/client/mod.rs

@@ -29,7 +29,7 @@ use pumpkin_protocol::{
         play::{
             SChatCommand, SChatMessage, SClientInformationPlay, SConfirmTeleport, SInteract,
             SPlayerAction, SPlayerCommand, SPlayerPosition, SPlayerPositionRotation,
-            SPlayerRotation, SSwingArm, SUseItemOn,
+            SPlayerRotation, SSetHeldItem, SSwingArm, SUseItemOn,
         },
         status::{SPingRequest, SStatusRequest},
     },
@@ -301,6 +301,9 @@ impl Client {
             SUseItemOn::PACKET_ID => {
                 self.handle_use_item_on(server, SUseItemOn::read(bytebuf).unwrap())
             }
+            SSetHeldItem::PACKET_ID => {
+                self.handle_set_held_item(server, SSetHeldItem::read(bytebuf).unwrap())
+            }
             _ => log::error!("Failed to handle player packet id {}", packet.id.0),
         }
     }

pumpkin/src/client/player_packet.rs

@@ -8,7 +8,7 @@ use pumpkin_protocol::{
     server::play::{
         Action, SChatCommand, SChatMessage, SClientInformationPlay, SConfirmTeleport, SInteract,
         SPlayerAction, SPlayerCommand, SPlayerPosition, SPlayerPositionRotation, SPlayerRotation,
-        SSwingArm, SUseItemOn,
+        SSetHeldItem, SSwingArm, SUseItemOn,
     },
 };
 use pumpkin_text::TextComponent;
@@ -320,4 +320,13 @@ impl Client {
         location.y += 2;
         server.broadcast_packet(self, &CBlockUpdate::new(location, 11.into()));
     }
+
+    pub fn handle_set_held_item(&mut self, _server: &mut Server, held: SSetHeldItem) {
+        let slot = held.slot;
+        if !(0..=8).contains(&slot) {
+            self.kick("Invalid held slot")
+        }
+        let player = self.player.as_mut().unwrap();
+        player.inventory.set_selected(slot);
+    }
 }

pumpkin/src/entity/player.rs

@@ -2,6 +2,7 @@ use std::str::FromStr;
 
 use num_derive::{FromPrimitive, ToPrimitive};
 use pumpkin_entity::{entity_type::EntityType, Entity, EntityId};
+use pumpkin_inventory::player::PlayerInventory;
 use pumpkin_protocol::VarInt;
 use serde::{Deserialize, Serialize};
 
@@ -15,13 +16,15 @@ pub struct Player {
     pub health: f32,
     pub food: i32,
     pub food_saturation: f32,
+    pub inventory: PlayerInventory,
 
     // Client side value, Should be not trusted
     pub on_ground: bool,
 
     pub sneaking: bool,
     pub sprinting: bool,
 
+    // TODO: prbly should put this into an Living Entitiy or something
     pub velocity: Vec3,
 
     // Current awaiting teleport id, None if did not teleport
@@ -41,6 +44,7 @@ impl Player {
             food: 20,
             food_saturation: 20.0,
             velocity: Vec3::new(0.0, 0.0, 0.0),
+            inventory: PlayerInventory::new(),
             gamemode,
         }
     }