Refactor azalea-client (#205)

* start organizing packet_handling more by moving packet handlers into their own functions

* finish writing all the handler functions for packets

* use macro for generating match statement for packet handler functions

* fix set_entity_data

* update config state to also use handler functions

* organize az-client file structure by moving things into plugins directory

* fix merge issues

1 files changed, 36 insertions, 0 deletions

diff --git a/azalea-client/src/plugins/tick_end.rs b/azalea-client/src/plugins/tick_end.rs
new file mode 100644
index 00000000..c7737eb1
--- /dev/null
+++ b/azalea-client/src/plugins/tick_end.rs
@@ -0,0 +1,36 @@
+//! Clients send a [`ServerboundClientTickEnd`] packet every tick.
+
+use azalea_core::tick::GameTick;
+use azalea_entity::LocalEntity;
+use azalea_physics::PhysicsSet;
+use azalea_protocol::packets::game::ServerboundClientTickEnd;
+use azalea_world::InstanceName;
+use bevy_app::{App, Plugin};
+use bevy_ecs::prelude::*;
+
+use crate::{mining::MiningSet, packet::game::SendPacketEvent};
+
+/// A plugin that makes clients send a [`ServerboundClientTickEnd`] packet every
+/// tick.
+pub struct TickEndPlugin;
+impl Plugin for TickEndPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(
+            GameTick,
+            // this has to happen after every other event that might send packets
+            game_tick_packet
+                .after(PhysicsSet)
+                .after(MiningSet)
+                .after(crate::movement::send_position),
+        );
+    }
+}
+
+pub fn game_tick_packet(
+    query: Query<Entity, (With<LocalEntity>, With<InstanceName>)>,
+    mut send_packets: EventWriter<SendPacketEvent>,
+) {
+    for entity in query.iter() {
+        send_packets.send(SendPacketEvent::new(entity, ServerboundClientTickEnd));
+    }
+}