Refactor azalea-protocol (#190)

* start updating to 1.21.4

* fix block codegen and stop using block data from burger

* rename packet related modules and structs to be simpler

* ItemSlot -> ItemStack for more consistency with mojmap

* .get() -> .into_packet()

* simplify declare_state_packets by removing packet ids

* rename read_from and write_into to azalea_read and azalea_write

* rename McBufReadable and McBufWritable to AzaleaRead and AzaleaWrite

* McBuf -> AzBuf

* remove most uses of into_variant

* update codegen and use resourcelocation names for packets

* implement #[limit(i)] attribute for AzBuf derive macro

* fixes for 1.21.4

* fix examples

* update some physics code and fix ChatType

* remove unused imports in codegen

* re-add some things to migrate.py and update +mc version numbers automatically

* downgrade to 1.21.3 lol

1 files changed, 27 insertions, 0 deletions

diff --git a/azalea-protocol/src/packets/game/c_add_player.rs b/azalea-protocol/src/packets/game/c_add_player.rs
new file mode 100755
index 00000000..7b36567d
--- /dev/null
+++ b/azalea-protocol/src/packets/game/c_add_player.rs
@@ -0,0 +1,27 @@
+use azalea_buf::AzBuf;
+use azalea_core::{ResourceLocation, Vec3};
+use azalea_entity::{metadata::PlayerMetadataBundle, EntityBundle, PlayerBundle};
+use azalea_protocol_macros::ClientboundGamePacket;
+use azalea_registry::EntityKind;
+use uuid::Uuid;
+
+/// This packet is sent by the server when a player comes into visible range,
+/// not when a player joins.
+#[derive(Clone, Debug, AzBuf, ClientboundGamePacket)]
+pub struct ClientboundAddPlayer {
+    #[var]
+    pub id: u32,
+    pub uuid: Uuid,
+    pub position: Vec3,
+    pub x_rot: i8,
+    pub y_rot: i8,
+}
+
+impl ClientboundAddPlayer {
+    pub fn as_player_bundle(&self, world_name: ResourceLocation) -> PlayerBundle {
+        PlayerBundle {
+            entity: EntityBundle::new(self.uuid, self.position, EntityKind::Player, world_name),
+            metadata: PlayerMetadataBundle::default(),
+        }
+    }
+}