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Avoid premature trimming in RegionIntersection (#2471)

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avoid premature trimming
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Hannes Greule 2023-10-22 16:29:38 +02:00 committed by GitHub
parent 6dfa7d1732
commit 9fff77c088
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 2 deletions
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13
worldedit-core/src/main/java/com/sk89q/worldedit/regions/RegionIntersection.java
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@ -164,14 +164,23 @@ public class RegionIntersection extends AbstractRegion {
int bz = chunk.getZ() << 4; int bz = chunk.getZ() << 4;
int tx = bx + 15; int tx = bx + 15;
int tz = bz + 15; int tz = bz + 15;
List<Region> intersecting = new ArrayList<>(2);
for (Region region : regions) { for (Region region : regions) {
BlockVector3 regMin = region.getMinimumPoint(); BlockVector3 regMin = region.getMinimumPoint();
BlockVector3 regMax = region.getMaximumPoint(); BlockVector3 regMax = region.getMaximumPoint();
if (tx >= regMin.getX() && bx <= regMax.getX() && tz >= regMin.getZ() && bz <= regMax.getZ()) { if (tx >= regMin.getX() && bx <= regMax.getX() && tz >= regMin.getZ() && bz <= regMax.getZ()) {
return region.processSet(chunk, get, set); intersecting.add(region);
} }
} }
return null; if (intersecting.isEmpty()) {
return null;
}
if (intersecting.size() == 1) {
return intersecting.get(0).processSet(chunk, get, set);
}
// if multiple regions intersect with this chunk, we must be more careful, otherwise one region might trim content of
// another region
return super.processSet(chunk, get, set);
} }
@Override @Override