diff --git a/plate-tool-lib/src/transfer_region_cache.rs b/plate-tool-lib/src/transfer_region_cache.rs
index bb453a3..db20014 100644
--- a/plate-tool-lib/src/transfer_region_cache.rs
+++ b/plate-tool-lib/src/transfer_region_cache.rs
@@ -31,6 +31,12 @@ impl TransferRegionCache {
         }
     }
 
+    pub fn generate_cache(&self, trs: &[Transfer]) {
+        for tr in trs.iter() {
+            self.add_overwrite(tr);
+        }
+    }
+
     pub fn invalidate(&self, tr: &Transfer) {
         if let Ok(mut interior) = self.interior.lock() {
             interior.cache.remove(&tr.id);