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Fix possible int-overflow on radius-update

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Lukas Rieger (Blue) 2022-06-03 18:57:43 +02:00
parent 2033d91497
commit ef5e2c08aa
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1 changed files with 2 additions and 2 deletions
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BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/rendermanager/MapUpdateTask.java
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@ -100,13 +100,13 @@ private static List<Vector2i> getRegions(World world, Vector2i center, int radiu
Grid regionGrid = world.getRegionGrid();
Vector2i halfCell = regionGrid.getGridSize().div(2);
int increasedRadiusSquared = (int) Math.pow(radius + Math.ceil(halfCell.length()), 2);
long increasedRadiusSquared = (long) Math.pow(radius + Math.ceil(halfCell.length()), 2);
for (Vector2i region : world.listRegions()) {
Vector2i min = regionGrid.getCellMin(region);
Vector2i regionCenter = min.add(halfCell);
if (regionCenter.distanceSquared(center) <= increasedRadiusSquared)
if (regionCenter.toLong().distanceSquared(center.toLong()) <= increasedRadiusSquared)
regions.add(region);
}