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EditSession.fillXZ() is now longer recursive.

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This commit is contained in:
sk89q 2010-10-30 01:28:00 -07:00
parent 385e25e14c
commit 749649a80b
1 changed files with 37 additions and 42 deletions
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79
src/EditSession.java
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@ -355,53 +355,48 @@ public class EditSession {
public int fillXZ(int x, int z, Vector origin, BaseBlock block,
int radius, int depth)
throws MaxChangedBlocksException {
return _fillXZ(x, z, origin, block, radius, depth,
new HashSet<BlockVector>());
}
/**
* Fills an area recursively in the X/Z directions.
*
* @param x
* @param z
* @param origin
* @param block
* @param radius
* @param depth
* @param visited
* @return
* @throws MaxChangedBlocksException
*/
private int _fillXZ(int x, int z, Vector origin, BaseBlock block, int radius,
int depth, Set<BlockVector> visited)
throws MaxChangedBlocksException {
BlockVector pt = new BlockVector(x, 0, z);
if (visited.contains(pt)) {
return 0;
}
visited.add(pt);
double dist = Math.sqrt(Math.pow(origin.getX() - x, 2) + Math.pow(origin.getZ() - z, 2));
int minY = origin.getBlockY() - depth + 1;
int affected = 0;
int originX = origin.getBlockX();
int originY = origin.getBlockY();
int originZ = origin.getBlockZ();
if (dist > radius) {
return 0;
HashSet<BlockVector> visited = new HashSet<BlockVector>();
Stack<BlockVector> queue = new Stack<BlockVector>();
queue.push(new BlockVector(x, 0, z));
while (!queue.empty()) {
BlockVector pt = queue.pop();
int cx = pt.getBlockX();
int cz = pt.getBlockZ();
if (visited.contains(pt)) {
continue;
}
visited.add(pt);
double dist = Math.sqrt(Math.pow(originX - cx, 2)
+ Math.pow(originZ - cz, 2));
int minY = originY - depth + 1;
if (dist > radius) {
continue;
}
if (getBlock(new Vector(cx, originY, cz)).isAir()) {
affected += fillY(cx, originY, cz, block, minY);
} else {
continue;
}
queue.push(new BlockVector(cx + 1, 0, cz));
queue.push(new BlockVector(cx - 1, 0, cz));
queue.push(new BlockVector(cx, 0, cz + 1));
queue.push(new BlockVector(cx, 0, cz - 1));
}
if (getBlock(new Vector(x, origin.getY(), z)).isAir()) {
affected = fillY(x, (int)origin.getY(), z, block, minY);
} else {
return 0;
}
affected += fillXZ(x + 1, z, origin, block, radius, depth);
affected += fillXZ(x - 1, z, origin, block, radius, depth);
affected += fillXZ(x, z + 1, origin, block, radius, depth);
affected += fillXZ(x, z - 1, origin, block, radius, depth);
return affected;
}