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fix index out of bounds for blocks at world max height

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nossr50
2024-11-25 12:24:39 -08:00
parent 1b6b127ef4
commit 6dd175331c
3 changed files with 13 additions and 4 deletions
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3
Changelog.txt
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@@ -1,3 +1,6 @@
Version 2.2.029
Fixed bug where block checks at world height would throw IndexOutOfBounds exceptions
Version 2.2.028
Fixed stack overflow during ChunkUnloadEvent
Fixed a bug where you had to wait to summon another COTW summon if one or more of them had died or otherwise expired before their time limit

2
src/main/java/com/gmail/nossr50/util/blockmeta/BitSetChunkStore.java
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@@ -102,7 +102,7 @@ public class BitSetChunkStore implements ChunkStore {
}
private static int coordToIndex(int x, int y, int z, int worldMin, int worldMax) {
if (x < 0 || x >= 16 || y < worldMin || y >= worldMax || z < 0 || z >= 16)
if (x < 0 || x >= 16 || y < worldMin || y > worldMax || z < 0 || z >= 16)
throw new IndexOutOfBoundsException(String.format("x: %d y: %d z: %d World Min: %d World Max: %d", x, y, z, worldMin, worldMax));
int yOffset = -worldMin; // Ensures y multiplier remains positive
return (z * 16 + x) + (256 * (y + yOffset));

12
src/test/java/com/gmail/nossr50/util/blockmeta/UserBlockTrackerTest.java
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@@ -74,8 +74,13 @@ class UserBlockTrackerTest {
final HashChunkManager hashChunkManager = new HashChunkManager();
// Top Block
final Block illegalHeightBlock = initMockBlock(1337, 256, -1337);
int illegalMaxHeight = 256 + 1;
final Block illegalHeightBlock = initMockBlock(1337, illegalMaxHeight, -1337);
Assertions.assertThrows(IndexOutOfBoundsException.class, () -> hashChunkManager.setIneligible(illegalHeightBlock));
int illegalMinHeight = -65;
final Block otherIllegalHeightBlock = initMockBlock(1337, illegalMinHeight, -1337);
Assertions.assertThrows(IndexOutOfBoundsException.class, () -> hashChunkManager.setIneligible(otherIllegalHeightBlock));
}
@Test
@@ -85,7 +90,7 @@ class UserBlockTrackerTest {
int radius = 2; // Could be anything but drastically changes test time
for (int x = -radius; x <= radius; x++) {
for (int y = mockWorld.getMinHeight(); y < mockWorld.getMaxHeight(); y++) {
for (int y = mockWorld.getMinHeight(); y <= mockWorld.getMaxHeight(); y++) {
for (int z = -radius; z <= radius; z++) {
final Block testBlock = initMockBlock(x, y, z);
// mark ineligible
@@ -147,7 +152,8 @@ class UserBlockTrackerTest {
Assertions.assertThrows(IndexOutOfBoundsException.class, () -> chunkStore.setTrue(0, -1, 0));
Assertions.assertThrows(IndexOutOfBoundsException.class, () -> chunkStore.setTrue(0, 0, -1));
Assertions.assertThrows(IndexOutOfBoundsException.class, () -> chunkStore.setTrue(16, 0, 0));
Assertions.assertThrows(IndexOutOfBoundsException.class, () -> chunkStore.setTrue(0, mockWorld.getMaxHeight(), 0));
Assertions.assertThrows(IndexOutOfBoundsException.class, () -> chunkStore.setTrue(0, mockWorld.getMaxHeight()+1, 0));
Assertions.assertThrows(IndexOutOfBoundsException.class, () -> chunkStore.setTrue(0, mockWorld.getMinHeight()-1, 0));
Assertions.assertThrows(IndexOutOfBoundsException.class, () -> chunkStore.setTrue(0, 0, 16));
}