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Fix NPE in ItemGroup concurrency patch

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This commit is contained in:
tterrag 2019-01-25 19:07:37 -05:00
parent 659091c565
commit 4db208332e
1 changed files with 13 additions and 19 deletions
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32
patches/minecraft/net/minecraft/item/ItemGroup.java.patch
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@ -40,7 +40,7 @@
return this.field_78033_n < 6;
}
@@ -220,4 +225,54 @@
@@ -220,4 +225,48 @@
}
}
@ -72,26 +72,20 @@
+ return 4210752;
+ }
+
+ private static final Object LOCK = new Object();
+
+ public static int getGroupCountSafe() {
+ synchronized (LOCK) {
+ return ItemGroup.field_78032_a.length;
+ }
+ public static synchronized int getGroupCountSafe() {
+ return ItemGroup.field_78032_a.length;
+ }
+
+ private static int addGroupSafe(int index, ItemGroup newGroup) {
+ synchronized (LOCK) {
+ if(index == -1) {
+ index = field_78032_a.length;
+ }
+ if (index >= field_78032_a.length) {
+ ItemGroup[] tmp = new ItemGroup[index + 1];
+ System.arraycopy(field_78032_a, 0, tmp, 0, field_78032_a.length);
+ field_78032_a = tmp;
+ }
+ field_78032_a[index] = newGroup;
+ return index;
+ private static synchronized int addGroupSafe(int index, ItemGroup newGroup) {
+ if(index == -1) {
+ index = field_78032_a.length;
+ }
+ if (index >= field_78032_a.length) {
+ ItemGroup[] tmp = new ItemGroup[index + 1];
+ System.arraycopy(field_78032_a, 0, tmp, 0, field_78032_a.length);
+ field_78032_a = tmp;
+ }
+ field_78032_a[index] = newGroup;
+ return index;
+ }
}