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misc.rs
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103 lines (86 loc) · 2.7 KB
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use crate::Game;
use feather_core::anvil::block_entity::{BlockEntityData, BlockEntityVariant};
use feather_core::{
anvil::entity::{EntityData, EntityDataKind},
blocks::BlockKind,
util::BlockPosition,
};
use fecs::{Entity, EntityBuilder, World};
pub type BumpVec<'bump, T> = bumpalo::collections::Vec<'bump, T>;
pub trait EntityLoaderFn:
Fn(EntityData) -> anyhow::Result<EntityBuilder> + Send + Sync + 'static
{
}
impl<F> EntityLoaderFn for F where
F: Fn(EntityData) -> anyhow::Result<EntityBuilder> + Send + Sync + 'static
{
}
pub trait BlockEntityLoaderFn:
Fn(BlockEntityData) -> anyhow::Result<EntityBuilder> + Send + Sync + 'static
{
}
impl<F> BlockEntityLoaderFn for F where
F: Fn(BlockEntityData) -> anyhow::Result<EntityBuilder> + Send + Sync + 'static
{
}
#[derive(Debug, PartialEq, Clone, Copy)]
pub enum Weather {
Clear,
Rain,
Thunder,
}
/// A registration for a function to convert an `EntityData`
/// to an `EntityBuilder` for spawning into the world. The
/// registration must provide the `EntityDataKind` it handles
/// to determine which `EntityData`s to pass to this function.
pub struct EntityLoaderRegistration {
/// The loader function.
pub f: &'static dyn EntityLoaderFn,
/// The kind of `EntityData` which this loader
/// function will accept.
pub kind: EntityDataKind,
}
impl EntityLoaderRegistration {
pub fn new(kind: EntityDataKind, f: &'static dyn EntityLoaderFn) -> Self {
Self { f, kind }
}
}
inventory::collect!(EntityLoaderRegistration);
/// Same as `EntityLoaderRegistration`, but for block entities.
pub struct BlockEntityLoaderRegistration {
pub f: &'static dyn BlockEntityLoaderFn,
pub kind: BlockEntityVariant,
}
inventory::collect!(BlockEntityLoaderRegistration);
/// Handles interactions (Use Item key) with a block.
pub trait InteractionHandler: Send + Sync {
/// Called whenever a player right clicks on the block
fn handle_interaction(
&self,
game: &mut Game,
world: &mut World,
pos: BlockPosition,
player: Entity,
window_id: u8,
);
/// Returns the kind of block handled by this handler.
fn block_kind(&self) -> BlockKind;
}
inventory::collect!(Box<dyn InteractionHandler>);
/// Wrapper around the send/receive channels which will be used to
/// notify server thread of shutdown due to ctrl+C or /stop command.
pub struct ShutdownChannels {
pub tx: crossbeam::channel::Sender<()>,
pub rx: crossbeam::channel::Receiver<()>,
}
impl ShutdownChannels {
pub fn new() -> Self {
let (tx, rx) = crossbeam::bounded(1);
Self { tx, rx }
}
}
impl Default for ShutdownChannels {
fn default() -> Self {
Self::new()
}
}