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Converted //drain to visitors.

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sk89q 2014-03-30 14:10:01 -07:00
parent 3ad5c9016a
commit cc8a89f415
1 changed files with 22 additions and 52 deletions
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72
src/main/java/com/sk89q/worldedit/EditSession.java
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@ -1301,67 +1301,37 @@ public class EditSession implements Extent {
/**
* Drain nearby pools of water or lava.
*
* @param pos
* @param radius
* @param origin the origin to drain from, which will search a 3x3 area
* @param radius the radius of the removal, where a value should be 0 or greater
* @return number of blocks affected
* @throws MaxChangedBlocksException
*/
public int drainArea(Vector pos, double radius)
throws MaxChangedBlocksException {
int affected = 0;
public int drainArea(Vector origin, double radius) throws MaxChangedBlocksException {
checkNotNull(origin);
checkArgument(radius >= 0, "radius >= 0 required");
HashSet<BlockVector> visited = new HashSet<BlockVector>();
Stack<BlockVector> queue = new Stack<BlockVector>();
MaskIntersection mask = new MaskIntersection(
new BoundedHeightMask(0, getWorld().getMaxY()),
new RegionMask(new EllipsoidRegion(null, origin, new Vector(radius, radius, radius))),
new BlockMask(this,
new BaseBlock(BlockID.STATIONARY_LAVA, -1),
new BaseBlock(BlockID.LAVA, -1),
new BaseBlock(BlockID.STATIONARY_WATER, -1),
new BaseBlock(BlockID.WATER, -1)));
for (int x = pos.getBlockX() - 1; x <= pos.getBlockX() + 1; ++x) {
for (int z = pos.getBlockZ() - 1; z <= pos.getBlockZ() + 1; ++z) {
for (int y = pos.getBlockY() - 1; y <= pos.getBlockY() + 1; ++y) {
queue.push(new BlockVector(x, y, z));
}
}
}
BlockReplace replace = new BlockReplace(this, new BlockPattern(new BaseBlock(BlockID.AIR)));
RecursiveVisitor visitor = new RecursiveVisitor(mask, replace);
while (!queue.empty()) {
BlockVector cur = queue.pop();
int type = getBlockType(cur);
// Check block type
if (type != BlockID.WATER && type != BlockID.STATIONARY_WATER
&& type != BlockID.LAVA && type != BlockID.STATIONARY_LAVA) {
continue;
}
// Don't want to revisit
if (visited.contains(cur)) {
continue;
}
visited.add(cur);
// Check radius
if (pos.distance(cur) > radius) {
continue;
}
for (int x = cur.getBlockX() - 1; x <= cur.getBlockX() + 1; ++x) {
for (int z = cur.getBlockZ() - 1; z <= cur.getBlockZ() + 1; ++z) {
for (int y = cur.getBlockY() - 1; y <= cur.getBlockY() + 1; ++y) {
BlockVector newPos = new BlockVector(x, y, z);
if (!cur.equals(newPos)) {
queue.push(newPos);
}
}
// Around the origin in a 3x3 block
for (BlockVector position : CuboidRegion.fromCenter(origin, 1)) {
if (mask.test(position)) {
visitor.visit(position);
}
}
if (setBlock(cur, new BaseBlock(BlockID.AIR))) {
++affected;
}
}
OperationHelper.completeLegacy(visitor);
return affected;
return visitor.getAffected();
}
/**