--- a/net/minecraft/world/level/block/state/StateHolder.java
+++ b/net/minecraft/world/level/block/state/StateHolder.java
@@ -39,11 +39,13 @@
     private final ImmutableMap<Property<?>, Comparable<?>> values;
     private Table<Property<?>, Comparable<?>, S> neighbours;
     protected final MapCodec<S> propertiesCodec;
+    protected final io.papermc.paper.util.table.ZeroCollidingReferenceStateTable optimisedTable; // Paper - optimise state lookup
 
     protected StateHolder(O owner, ImmutableMap<Property<?>, Comparable<?>> entries, MapCodec<S> codec) {
         this.owner = owner;
         this.values = entries;
         this.propertiesCodec = codec;
+        this.optimisedTable = new io.papermc.paper.util.table.ZeroCollidingReferenceStateTable(this, entries); // Paper - optimise state lookup
     }
 
     public <T extends Comparable<T>> S cycle(Property<T> property) {
@@ -84,11 +86,11 @@
     }
 
     public <T extends Comparable<T>> boolean hasProperty(Property<T> property) {
-        return this.values.containsKey(property);
+        return this.optimisedTable.get(property) != null; // Paper - optimise state lookup
     }
 
     public <T extends Comparable<T>> T getValue(Property<T> property) {
-        Comparable<?> comparable = this.values.get(property);
+        Comparable<?> comparable = this.optimisedTable.get(property); // Paper - optimise state lookup
         if (comparable == null) {
             throw new IllegalArgumentException("Cannot get property " + property + " as it does not exist in " + this.owner);
         } else {
@@ -97,24 +99,18 @@
     }
 
     public <T extends Comparable<T>> Optional<T> getOptionalValue(Property<T> property) {
-        Comparable<?> comparable = this.values.get(property);
+        Comparable<?> comparable = this.optimisedTable.get(property); // Paper - optimise state lookup
         return comparable == null ? Optional.empty() : Optional.of(property.getValueClass().cast(comparable));
     }
 
     public <T extends Comparable<T>, V extends T> S setValue(Property<T> property, V value) {
-        Comparable<?> comparable = this.values.get(property);
-        if (comparable == null) {
-            throw new IllegalArgumentException("Cannot set property " + property + " as it does not exist in " + this.owner);
-        } else if (comparable == value) {
-            return (S)this;
-        } else {
-            S object = this.neighbours.get(property, value);
-            if (object == null) {
-                throw new IllegalArgumentException("Cannot set property " + property + " to " + value + " on " + this.owner + ", it is not an allowed value");
-            } else {
-                return object;
-            }
+        // Paper start - optimise state lookup
+        final S ret = (S)this.optimisedTable.get(property, value);
+        if (ret == null) {
+            throw new IllegalArgumentException("Cannot set property " + property + " to " + value + " on " + this.owner + ", it is not an allowed value");
         }
+        return ret;
+        // Paper end - optimise state lookup
     }
 
     public <T extends Comparable<T>, V extends T> S trySetValue(Property<T> property, V value) {
@@ -147,7 +143,7 @@
                 }
             }
 
-            this.neighbours = (Table<Property<?>, Comparable<?>, S>)(table.isEmpty() ? table : ArrayTable.create(table));
+            this.neighbours = (Table<Property<?>, Comparable<?>, S>)(table.isEmpty() ? table : ArrayTable.create(table)); this.optimisedTable.loadInTable((Table)this.neighbours, this.values); // Paper - optimise state lookup
         }
     }
 
