1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
From 15ce05737a55c54bfa0fb16f55bf697886954f82 Mon Sep 17 00:00:00 2001
From: Alfie Cleveland <alfeh@me.com>
Date: Fri, 19 Aug 2016 01:52:56 +0100
Subject: [PATCH] Optimise BlockStateEnum hashCode and equals
diff --git a/src/main/java/net/minecraft/server/BlockStateEnum.java b/src/main/java/net/minecraft/server/BlockStateEnum.java
index 288c52c..66c459d 100644
--- a/src/main/java/net/minecraft/server/BlockStateEnum.java
+++ b/src/main/java/net/minecraft/server/BlockStateEnum.java
@@ -16,6 +16,11 @@ public class BlockStateEnum<T extends Enum<T> & INamable> extends BlockState<T>
private final ImmutableSet<T> a;
private final Map<String, T> b = Maps.newHashMap();
+ // Paper start - BlockStateEnum is a singleton, so we can use our own hashCode
+ private static int hashId = 0;
+ private int hashCode;
+ // Paper end
+
protected BlockStateEnum(String s, Class<T> oclass, Collection<T> collection) {
super(s, oclass);
this.a = ImmutableSet.copyOf(collection);
@@ -32,6 +37,7 @@ public class BlockStateEnum<T extends Enum<T> & INamable> extends BlockState<T>
this.b.put(s1, (T) oenum);
}
+ this.hashCode = hashId++; // Paper
}
public Collection<T> c() {
@@ -46,24 +52,14 @@ public class BlockStateEnum<T extends Enum<T> & INamable> extends BlockState<T>
return ((INamable) t0).getName();
}
+ @Override // Paper - override equals as BlockStateEnum is a singleton
public boolean equals(Object object) {
- if (this == object) {
- return true;
- } else if (object instanceof BlockStateEnum && super.equals(object)) {
- BlockStateEnum blockstateenum = (BlockStateEnum) object;
-
- return this.a.equals(blockstateenum.a) && this.b.equals(blockstateenum.b);
- } else {
- return false;
- }
+ return this == object;
}
+ @Override // Paper - override hashCode as BlockStateEnum is a singleton
public int hashCode() {
- int i = super.hashCode();
-
- i = 31 * i + this.a.hashCode();
- i = 31 * i + this.b.hashCode();
- return i;
+ return hashCode;
}
public static <T extends Enum<T> & INamable> BlockStateEnum<T> of(String s, Class<T> oclass) {
--
2.9.3
|
