mirror of
https://github.com/PaperMC/Paper.git
synced 2024-11-25 16:50:17 +01:00
812618deba
Unintended side effects in recent versions, this patch has likely outlived its usefulness. Closes GH-452
91 lines
4.8 KiB
Diff
91 lines
4.8 KiB
Diff
From 8d48ed529554ee9f79b535d4a88f20ac1f9a68e7 Mon Sep 17 00:00:00 2001
|
|
From: DemonWav <demonwav@gmail.com>
|
|
Date: Sat, 26 Mar 2016 21:36:05 -0500
|
|
Subject: [PATCH] Prevent possible infinite loop in BlockPosition iterator
|
|
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
|
|
index 704faa9..d6cc51b 100644
|
|
--- a/src/main/java/net/minecraft/server/BlockPosition.java
|
|
+++ b/src/main/java/net/minecraft/server/BlockPosition.java
|
|
@@ -141,15 +141,17 @@ public class BlockPosition extends BaseBlockPosition {
|
|
|
|
protected BlockPosition a() {
|
|
if (this.b == null) {
|
|
- this.b = blockposition;
|
|
+ this.b = blockposition2; // Paper - use blockposition2 instead of blockposition to prevent infinite loops
|
|
return this.b;
|
|
- } else if (this.b.equals(blockposition1)) {
|
|
+ } else if (this.b.equals(blockposition3)) { // Paper - use blockposition3 instead of blockposition1 to prevent infinite loops
|
|
return (BlockPosition) this.endOfData();
|
|
} else {
|
|
int i = this.b.getX();
|
|
int j = this.b.getY();
|
|
int k = this.b.getZ();
|
|
|
|
+ // Paper start - use blockposition2 and blockposition3 to prevent infinite loops
|
|
+ /*
|
|
if (i < blockposition1.getX()) {
|
|
++i;
|
|
} else if (j < blockposition1.getY()) {
|
|
@@ -160,6 +162,18 @@ public class BlockPosition extends BaseBlockPosition {
|
|
j = blockposition.getY();
|
|
++k;
|
|
}
|
|
+ */
|
|
+ if (i < blockposition3.getX()) {
|
|
+ ++i;
|
|
+ } else if (j < blockposition3.getY()) {
|
|
+ i = blockposition2.getX();
|
|
+ ++j;
|
|
+ } else if (k < blockposition3.getZ()) {
|
|
+ i = blockposition2.getX();
|
|
+ j = blockposition2.getY();
|
|
+ ++k;
|
|
+ }
|
|
+ // Paper end
|
|
|
|
this.b = new BlockPosition(i, j, k);
|
|
return this.b;
|
|
@@ -189,15 +203,17 @@ public class BlockPosition extends BaseBlockPosition {
|
|
|
|
protected BlockPosition.MutableBlockPosition a() {
|
|
if (this.b == null) {
|
|
- this.b = new BlockPosition.MutableBlockPosition(blockposition.getX(), blockposition.getY(), blockposition.getZ());
|
|
+ this.b = new BlockPosition.MutableBlockPosition(blockposition2.getX(), blockposition2.getY(), blockposition2.getZ()); // Paper - use blockposition2 instead of blockposition to prevent infinite loops
|
|
return this.b;
|
|
- } else if (this.b.equals(blockposition1)) {
|
|
+ } else if (this.b.equals(blockposition3)) { // Paper - use blockposition3 instead of blockposition1 to prevent infinite loops
|
|
return (BlockPosition.MutableBlockPosition) this.endOfData();
|
|
} else {
|
|
int i = this.b.getX();
|
|
int j = this.b.getY();
|
|
int k = this.b.getZ();
|
|
|
|
+ // Paper start - use blockposition2 and blockposition3 to prevent infinite loops
|
|
+ /*
|
|
if (i < blockposition1.getX()) {
|
|
++i;
|
|
} else if (j < blockposition1.getY()) {
|
|
@@ -208,6 +224,18 @@ public class BlockPosition extends BaseBlockPosition {
|
|
j = blockposition.getY();
|
|
++k;
|
|
}
|
|
+ */
|
|
+ if (i < blockposition3.getX()) {
|
|
+ ++i;
|
|
+ } else if (j < blockposition3.getY()) {
|
|
+ i = blockposition2.getX();
|
|
+ ++j;
|
|
+ } else if (k < blockposition3.getZ()) {
|
|
+ i = blockposition2.getX();
|
|
+ j = blockposition2.getY();
|
|
+ ++k;
|
|
+ }
|
|
+ // Paper end
|
|
|
|
this.b.b = i;
|
|
this.b.c = j;
|
|
--
|
|
2.9.3
|
|
|