[FEATURE] Adding boss bar system

crates/minecraft_packets/src/play/boss_bar_packet.rs

@@ -0,0 +1,105 @@
+use minecraft_protocol::prelude::*;
+use pico_text_component::prelude::Component;
+
+#[derive(PacketOut)]
+pub struct BossBarPacket {
+    #[pvn(735..)]
+    pub v1_16_uuid: Uuid,
+    #[pvn(..735)]
+    pub uuid_most_sig: u64,
+    #[pvn(..735)]
+    pub uuid_least_sig: u64,
+    pub action: BossBarAction,
+}
+
+pub enum BossBarAction {
+    Add {
+        title: Component,
+        health: f32,
+        color: BossBarColor,
+        division: BossBarDivision,
+        flags: u8,
+    },
+    Remove,
+    UpdateHealth {
+        health: f32,
+    },
+    UpdateTitle {
+        title: Component,
+    },
+    UpdateStyle {
+        color: BossBarColor,
+        division: BossBarDivision,
+    },
+    UpdateFlags {
+        flags: u8,
+    },
+}
+
+#[derive(Debug, Clone, Copy)]
+#[repr(i32)]
+pub enum BossBarColor {
+    Pink = 0,
+    Blue = 1,
+    Red = 2,
+    Green = 3,
+    Yellow = 4,
+    Purple = 5,
+    White = 6,
+}
+
+#[derive(Debug, Clone, Copy)]
+#[repr(i32)]
+pub enum BossBarDivision {
+    NoDivision = 0,
+    SixNotches = 1,
+    TenNotches = 2,
+    TwelveNotches = 3,
+    TwentyNotches = 4,
+}
+
+impl EncodePacket for BossBarAction {
+    fn encode(
+        &self,
+        writer: &mut BinaryWriter,
+        protocol_version: ProtocolVersion,
+    ) -> Result<(), BinaryWriterError> {
+        match self {
+            BossBarAction::Add {
+                title,
+                health,
+                color,
+                division,
+                flags,
+            } => {
+                VarInt::new(0).encode(writer, protocol_version)?;
+                title.clone().encode(writer, protocol_version)?;
+                health.encode(writer, protocol_version)?;
+                VarInt::new(*color as i32).encode(writer, protocol_version)?;
+                VarInt::new(*division as i32).encode(writer, protocol_version)?;
+                flags.encode(writer, protocol_version)?;
+            }
+            BossBarAction::Remove => {
+                VarInt::new(1).encode(writer, protocol_version)?;
+            }
+            BossBarAction::UpdateHealth { health } => {
+                VarInt::new(2).encode(writer, protocol_version)?;
+                health.encode(writer, protocol_version)?;
+            }
+            BossBarAction::UpdateTitle { title } => {
+                VarInt::new(3).encode(writer, protocol_version)?;
+                title.clone().encode(writer, protocol_version)?;
+            }
+            BossBarAction::UpdateStyle { color, division } => {
+                VarInt::new(4).encode(writer, protocol_version)?;
+                VarInt::new(*color as i32).encode(writer, protocol_version)?;
+                VarInt::new(*division as i32).encode(writer, protocol_version)?;
+            }
+            BossBarAction::UpdateFlags { flags } => {
+                VarInt::new(5).encode(writer, protocol_version)?;
+                flags.encode(writer, protocol_version)?;
+            }
+        }
+        Ok(())
+    }
+}

crates/minecraft_packets/src/play/mod.rs

@@ -1,3 +1,4 @@
+pub mod boss_bar_packet;
 pub mod chunk_data_and_update_light_packet;
 pub mod client_bound_keep_alive_packet;
 pub mod commands_packet;

data/generated/V1_10/reports/packets.json

@@ -58,6 +58,9 @@
       },
       "minecraft:player_info_update": {
         "protocol_id": 45
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 12
       }
     },
     "serverbound": {

data/generated/V1_11/reports/packets.json

@@ -58,6 +58,9 @@
       },
       "minecraft:player_info_update": {
         "protocol_id": 45
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 12
       }
     },
     "serverbound": {

data/generated/V1_12/reports/packets.json

@@ -58,6 +58,9 @@
       },
       "minecraft:player_info_update": {
         "protocol_id": 45
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 12
       }
     },
     "serverbound": {

data/generated/V1_12_1/reports/packets.json

@@ -58,6 +58,9 @@
       },
       "minecraft:player_info_update": {
         "protocol_id": 46
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 12
       }
     },
     "serverbound": {

data/generated/V1_13/reports/packets.json

@@ -64,6 +64,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 63
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 12
       }
     },
     "serverbound": {

data/generated/V1_14/reports/packets.json

@@ -64,6 +64,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 67
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 12
       }
     },
     "serverbound": {

data/generated/V1_15/reports/packets.json

@@ -64,6 +64,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 68
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 13
       }
     },
     "serverbound": {

data/generated/V1_16/reports/packets.json

@@ -64,6 +64,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 68
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 12
       }
     },
     "serverbound": {

data/generated/V1_16_2/reports/packets.json

@@ -70,6 +70,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 68
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 12
       }
     },
     "serverbound": {

data/generated/V1_17/reports/packets.json

@@ -70,6 +70,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 77
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 13
       }
     },
     "serverbound": {

data/generated/V1_18/reports/packets.json

@@ -70,6 +70,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 77
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 13
       }
     },
     "serverbound": {

data/generated/V1_18_2/reports/packets.json

@@ -70,6 +70,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 77
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 13
       }
     },
     "serverbound": {

data/generated/V1_19/reports/packets.json

@@ -73,6 +73,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 77
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 10
       }
     },
     "serverbound": {

data/generated/V1_19_1/reports/packets.json

@@ -73,6 +73,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 80
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 10
       }
     },
     "serverbound": {

data/generated/V1_19_3/reports/packets.json

@@ -73,6 +73,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 78
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 10
       }
     },
     "serverbound": {

data/generated/V1_19_4/reports/packets.json

@@ -73,6 +73,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 82
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 11
       }
     },
     "serverbound": {

data/generated/V1_20/reports/packets.json

@@ -73,6 +73,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 82
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 11
       }
     },
     "serverbound": {

data/generated/V1_20_2/reports/packets.json

@@ -100,6 +100,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 84
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 10
       }
     },
     "serverbound": {

data/generated/V1_20_3/reports/packets.json

@@ -103,6 +103,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 86
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 10
       }
     },
     "serverbound": {

data/generated/V1_20_5/reports/packets.json

@@ -106,6 +106,9 @@
       },
       "minecraft:set_entity_data": {
         "protocol_id": 88
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 10
       }
     },
     "serverbound": {

data/generated/V1_9/reports/packets.json

@@ -58,6 +58,9 @@
       },
       "minecraft:player_info_update": {
         "protocol_id": 45
+      },
+      "minecraft:boss_event": {
+        "protocol_id": 12
       }
     },
     "serverbound": {

docs/.vitepress/config.mts

@@ -40,6 +40,7 @@ export default defineConfig({
 					{ text: "Proxy Integration", link: "/config/proxy-integration.html" },
 					{ text: "Server List", link: "/config/server-list.html" },
 					{ text: "Tab List", link: "/config/tab-list.html" },
+                    { text: "Boss Bar", link: "/config/boss-bar.html" },
 					{ text: "Experimental World Features", link: "/config/experimental-world.html" },
 					{
 						text: "Default Configuration",

docs/config/boss-bar.md

@@ -0,0 +1,68 @@
+# Boss Bar Settings
+
+Representing the `[boss_bar]` section in `server.toml`.
+
+## Boss Bar Title
+
+The title text displayed at the top of the player list.
+The title supports [MiniMessage formatting](/customization/message-formatting.html) for colors and styling.
+
+:::code-group
+```toml [server.toml] {2}
+[boss_bar]
+title = "<blue><bold>Welcome to PicoLimbo!</bold></blue>"
+```
+:::
+
+## Boss Bar Health
+
+The health of the boss bar, represented as a float between `0.0` (empty) and `1.0` (full).
+
+:::code-group
+```toml [server.toml] {2}
+[tab_list]
+health = 1.0
+```
+:::
+
+## Boss Bar Color
+
+The color of the boss bar.
+
+:::code-group
+```toml [server.toml] {2}
+[boss_bar]
+color = "blue"
+```
+:::
+
+Possible values:
+```
+pink
+blue
+red
+green
+yellow
+purple
+white
+```
+
+## Boss Bar Divisions
+
+The number of divisions in the boss bar, affecting its visual segmentation.
+
+:::code-group
+```toml [server.toml] {2}
+[boss_bar]
+division = 0
+```
+:::
+
+Possible values:
+```
+0   - No divisions
+6   - 6 segments
+10  - 10 segments
+12  - 12 segments
+20  - 20 segments
+```