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_login.rs b/azalea-protocol/src/packets/game/c_login.rs
new file mode 100755
index 00000000..c0616c55
--- /dev/null
+++ b/azalea-protocol/src/packets/game/c_login.rs
@@ -0,0 +1,27 @@
+use azalea_buf::AzBuf;
+use azalea_core::resource_location::ResourceLocation;
+use azalea_protocol_macros::ClientboundGamePacket;
+
+use crate::packets::common::CommonPlayerSpawnInfo;
+
+/// The first packet sent by the server to the client after login.
+///
+/// This packet contains information about the state of the player, the
+/// world, and the registry.
+#[derive(Clone, Debug, AzBuf, ClientboundGamePacket)]
+pub struct ClientboundLogin {
+    pub player_id: u32,
+    pub hardcore: bool,
+    pub levels: Vec<ResourceLocation>,
+    #[var]
+    pub max_players: i32,
+    #[var]
+    pub chunk_radius: u32,
+    #[var]
+    pub simulation_distance: u32,
+    pub reduced_debug_info: bool,
+    pub show_death_screen: bool,
+    pub do_limited_crafting: bool,
+    pub common: CommonPlayerSpawnInfo,
+    pub enforces_secure_chat: bool,
+}