1 files changed, 9 insertions, 0 deletions
diff --git a/src/main/java/me/shedaniel/rei/server/StackAccessor.java b/src/main/java/me/shedaniel/rei/server/StackAccessor.java
index 65b722a9e..278a75baa 100644
--- a/src/main/java/me/shedaniel/rei/server/StackAccessor.java
+++ b/src/main/java/me/shedaniel/rei/server/StackAccessor.java
@@ -23,6 +23,7 @@
 
 package me.shedaniel.rei.server;
 
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
 
 public interface StackAccessor {
@@ -31,4 +32,12 @@ public interface StackAccessor {
     void setItemStack(ItemStack stack);
     
     ItemStack takeStack(int amount);
+    
+    default boolean allowModification(PlayerEntity player) {
+        return true;
+    }
+    
+    default boolean canPlace(ItemStack stack) {
+        return true;
+    }
 }