1 files changed, 25 insertions, 0 deletions
diff --git a/src/main/java/me/shedaniel/rei/api/OverlayDecider.java b/src/main/java/me/shedaniel/rei/api/OverlayDecider.java
new file mode 100644
index 000000000..4f6120e2a
--- /dev/null
+++ b/src/main/java/me/shedaniel/rei/api/OverlayDecider.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2018, 2019, 2020 shedaniel
+ * Licensed under the MIT License (the "License").
+ */
+
+package me.shedaniel.rei.api;
+
+import net.minecraft.util.ActionResult;
+
+public interface OverlayDecider {
+    boolean isHandingScreen(Class<?> screen);
+    
+    default ActionResult shouldScreenBeOverlayed(Class<?> screen) {
+        return ActionResult.PASS;
+    }
+    
+    /**
+     * Gets the priority of the handler, the higher it is, the earlier it is called.
+     *
+     * @return the priority in float
+     */
+    default float getPriority() {
+        return 0f;
+    }
+}