use std::{collections::HashMap, hash::Hash, net::SocketAddr};
use naia_shared::ProtocolKindType;
use super::mut_channel::{MutChannel, MutReceiver, MutReceiverBuilder, MutSender};
pub struct GlobalDiffHandler<E: Copy + Eq + Hash, K: ProtocolKindType> {
mut_receiver_builders: HashMap<(E, K), MutReceiverBuilder>,
}
impl<E: Copy + Eq + Hash, K: ProtocolKindType> Default for GlobalDiffHandler<E, K> {
fn default() -> Self {
Self {
mut_receiver_builders: HashMap::default(),
}
}
}
impl<E: Copy + Eq + Hash, K: ProtocolKindType> GlobalDiffHandler<E, K> {
pub fn register_component(
&mut self,
entity: &E,
component_kind: &K,
diff_mask_length: u8,
) -> MutSender {
if self
.mut_receiver_builders
.contains_key(&(*entity, *component_kind))
{
panic!("Component cannot register with Server more than once!");
}
let (sender, builder) = MutChannel::new_channel(diff_mask_length);
self.mut_receiver_builders
.insert((*entity, *component_kind), builder);
sender
}
pub fn deregister_component(&mut self, entity: &E, component_kind: &K) {
self.mut_receiver_builders
.remove(&(*entity, *component_kind));
}
pub fn receiver(
&self,
addr: &SocketAddr,
entity: &E,
component_kind: &K,
) -> Option<MutReceiver> {
if let Some(builder) = self.mut_receiver_builders.get(&(*entity, *component_kind)) {
return builder.build(addr);
}
None
}
}