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#![doc = include_str!("../README.md")]
mod behavior;
pub mod block_state;
pub mod fluid_state;
mod generated;
mod range;
use core::fmt::Debug;
use std::any::Any;
pub use behavior::BlockBehavior;
// re-exported for convenience
pub use block_state::BlockState;
pub use generated::{blocks, properties};
pub use range::BlockStates;
pub trait BlockTrait: Debug + Any {
fn behavior(&self) -> BlockBehavior;
/// Get the Minecraft ID for this block. For example `stone` or
/// `grass_block`.
fn id(&self) -> &'static str;
/// Convert the block to a block state. This is lossless, as the block
/// contains all the state data.
fn as_block_state(&self) -> BlockState;
/// Convert the block to an [`azalea_registry::Block`]. This is lossy, as
/// `azalea_registry::Block` doesn't contain any state data.
fn as_registry_block(&self) -> azalea_registry::Block;
}
impl dyn BlockTrait {
pub fn downcast_ref<T: BlockTrait>(&self) -> Option<&T> {
(self as &dyn Any).downcast_ref::<T>()
}
}
pub trait Property {
type Value;
fn try_from_block_state(state: BlockState) -> Option<Self::Value>;
}
#[cfg(test)]
mod tests {
use crate::BlockTrait;
#[test]
pub fn roundtrip_block_state() {
let block = crate::blocks::OakTrapdoor {
facing: crate::properties::FacingCardinal::East,
half: crate::properties::TopBottom::Bottom,
open: true,
powered: false,
waterlogged: false,
};
let block_state = block.as_block_state();
let block_from_state = Box::<dyn BlockTrait>::from(block_state);
let block_from_state = block_from_state
.downcast_ref::<crate::blocks::OakTrapdoor>()
.unwrap()
.clone();
assert_eq!(block, block_from_state);
}
}
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