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Fix infinite loop re-sizing block state internal ID array.

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wizjany 2019-06-28 15:18:53 -04:00
parent efc4d7cba1
commit 542f87b8f7
1 changed files with 6 additions and 2 deletions
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8
worldedit-core/src/main/java/com/sk89q/worldedit/internal/block/BlockStateIdAccess.java
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@ -57,8 +57,12 @@ public final class BlockStateIdAccess {
OptionalInt id = getBlockStateId(blockState); OptionalInt id = getBlockStateId(blockState);
if (id.isPresent()) { if (id.isPresent()) {
int i = id.getAsInt(); int i = id.getAsInt();
while (i >= blockStates.length) { if (i >= blockStates.length) {
blockStates = Arrays.copyOf(blockStates, blockStates.length + blockStates.length >> 1); int curLength = blockStates.length;
do {
curLength += curLength >> 1;
} while (i >= curLength);
blockStates = Arrays.copyOf(blockStates, curLength);
} }
BlockState existing = blockStates[i]; BlockState existing = blockStates[i];
checkState(existing == null || existing == blockState, checkState(existing == null || existing == blockState,