1 files changed, 22 insertions, 0 deletions
diff --git a/src/cache/resources.rs b/src/cache/resources.rs
new file mode 100644
index 0000000..6aba61a
--- /dev/null
+++ b/src/cache/resources.rs
@@ -0,0 +1,22 @@
+use std::{collections::HashMap, path::PathBuf};
+
+use bevy::prelude::*;
+
+use crate::{components::DirworldEntity, payload::DirworldEntityPayload};
+
+/// Structure containing payload data for cached (non-current) rooms
+#[derive(Resource, Default, Debug, Deref, DerefMut)]
+pub struct DirworldCache(pub HashMap<PathBuf, DirworldEntityPayload>);
+
+impl DirworldCache {
+    /// Stores an entity's payload in the cache, if it exists
+    pub fn cache_entity(&mut self, dirworld_entity: &DirworldEntity) {
+        if let Some(payload) = &dirworld_entity.payload {
+            self.insert(dirworld_entity.path.clone(), payload.clone());
+        }
+    }
+    
+    pub fn get_entity_cache(&mut self, path: impl Into<PathBuf>) -> Option<DirworldEntityPayload> {
+        self.remove(&path.into())
+    }
+}