mindustry logic execution, map- and schematic- parsing and rendering
| -rw-r--r-- | src/block/mod.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/block/mod.rs b/src/block/mod.rs index e9f9a23..5f03b85 100644 --- a/src/block/mod.rs +++ b/src/block/mod.rs @@ -1,4 +1,6 @@ use std::borrow::Cow; +use std::collections::HashMap; +use std::collections::hash_map::Entry; pub trait BlockLogic { @@ -72,3 +74,47 @@ impl From<Rotation> for u8 } } } + +pub struct BlockRegistry<'l> +{ + blocks: HashMap<&'l str, &'l Block>, +} + +impl<'l> BlockRegistry<'l> +{ + pub fn new() -> Self + { + Self{blocks: HashMap::new()} + } + + pub fn register(&mut self, block: &'l Block) -> Result<(), &'l Block> + { + let key = match block.name + { + Cow::Borrowed(r) => r, + Cow::Owned(ref s) => s, + }; + match self.blocks.entry(key) + { + Entry::Occupied(e) => Err(e.get()), + Entry::Vacant(e) => + { + e.insert(block); + Ok(()) + }, + } + } + + pub fn get(&self, name: &str) -> Option<&'l Block> + { + self.blocks.get(name).map(|&r| r) + } +} + +impl<'l> AsRef<HashMap<&'l str, &'l Block>> for BlockRegistry<'l> +{ + fn as_ref(&self) -> &HashMap<&'l str, &'l Block> + { + &self.blocks + } +} |