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Use correct headerLocation for regionfile initialisation 

If the regionfile cannot be recalculated (i.e entity/poi type),
then attempts to remove the invalid entry would blow up
This commit is contained in:
Spottedleaf 2022-02-02 06:02:16 -08:00
parent 2121aed33d
commit 2ec04e0938
1 changed files with 7 additions and 6 deletions
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13
patches/server/0751-Attempt-to-recalculate-regionfile-header-if-it-is-co.patch
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@ -87,7 +87,7 @@ index c8298a597818227de33a4afce4698ec0666cf758..6baceb6ce9021c489be6e79d338a9704
this.used.set(start, start + size);
}
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
index 293cce2c80fbdc18480977f5f6b24d6b4fa8dcf3..834fa7048e3affb4fcc734d56526b9fba5fa69ca 100644
index 293cce2c80fbdc18480977f5f6b24d6b4fa8dcf3..950efcc80455f73ec8ca4e991fcf9a5b2b7fa22e 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
@@ -52,6 +52,355 @@ public class RegionFile implements AutoCloseable {
@ -160,7 +160,7 @@ index 293cce2c80fbdc18480977f5f6b24d6b4fa8dcf3..834fa7048e3affb4fcc734d56526b9fb
+ try {
+ this.file.force(true);
+ LOGGER.warn("Backing up regionfile \"" + this.regionFile.toAbsolutePath() + "\" to " + to.toAbsolutePath());
+ java.nio.file.Files.copy(this.regionFile, to);
+ java.nio.file.Files.copy(this.regionFile, to, java.nio.file.StandardCopyOption.COPY_ATTRIBUTES);
+ LOGGER.warn("Backed up the regionfile to " + to.toAbsolutePath());
+ } catch (IOException ex) {
+ LOGGER.error("Failed to backup to " + to.toAbsolutePath(), ex);
@ -473,11 +473,12 @@ index 293cce2c80fbdc18480977f5f6b24d6b4fa8dcf3..834fa7048e3affb4fcc734d56526b9fb
- long j = Files.size(file);
+ final long j = Files.size(file); final long regionFileSize = j; // Paper - recalculate header on header corruption
- for (int k = 0; k < 1024; ++k) {
- int l = this.offsets.get(k);
+ boolean needsHeaderRecalc = false; // Paper - recalculate header on header corruption
+ boolean hasBackedUp = false; // Paper - recalculate header on header corruption
for (int k = 0; k < 1024; ++k) {
- int l = this.offsets.get(k);
+ final int l = this.offsets.get(k); final int headerLocation = l; // Paper - we expect this to be the header location
+ for (int k = 0; k < 1024; ++k) { final int headerLocation = k; // Paper - we expect this to be the header location
+ final int l = this.offsets.get(k);
if (l != 0) {
- int i1 = RegionFile.getSectorNumber(l);
@ -684,7 +685,7 @@ index 293cce2c80fbdc18480977f5f6b24d6b4fa8dcf3..834fa7048e3affb4fcc734d56526b9fb
return bytebuffer;
}
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
index 7b4f3c30cfc4bf68cc872598726f7f7eab5f9830..2dde10324e515bd58fc6ba7e93156ae783492cc2 100644
index 089e8414c7bdc102ba0d914af576df1a05af7519..9f6c1de59ca011bd1203499f325fdfa305e215ce 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
@@ -26,7 +26,15 @@ public class RegionFileStorage implements AutoCloseable {