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Merge pull request #498 from EngineHub/feature/improved-chunk-batching

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Buffered extent improvements
This commit is contained in:
Kenzie Togami
2019-07-10 14:25:22 -07:00
committed by GitHub
parent b5ed1973d3 e87a5559d6
commit 9e7d46662c
8 changed files with 292 additions and 99 deletions
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80
worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/brush/GravityBrush.java
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@ -23,44 +23,78 @@ import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.function.pattern.Pattern;
import com.sk89q.worldedit.math.BlockVector3;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.util.LocatedBlock;
import com.sk89q.worldedit.util.collection.LocatedBlockList;
import com.sk89q.worldedit.world.block.BaseBlock;
import com.sk89q.worldedit.world.block.BlockTypes;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.LinkedHashSet;
import java.util.Set;
public class GravityBrush implements Brush {
private final boolean fullHeight;
public GravityBrush(boolean fullHeight) {
this.fullHeight = fullHeight;
}
@Override
public void build(EditSession editSession, BlockVector3 position, Pattern pattern, double size) throws MaxChangedBlocksException {
final double startY = fullHeight ? editSession.getWorld().getMaxY() : position.getBlockY() + size;
for (double x = position.getBlockX() + size; x > position.getBlockX() - size; --x) {
for (double z = position.getBlockZ() + size; z > position.getBlockZ() - size; --z) {
double y = startY;
final List<BlockState> blockTypes = new ArrayList<>();
for (; y > position.getBlockY() - size; --y) {
final BlockVector3 pt = BlockVector3.at(x, y, z);
final BlockState block = editSession.getBlock(pt);
if (!block.getBlockType().getMaterial().isAir()) {
blockTypes.add(block);
editSession.setBlock(pt, BlockTypes.AIR.getDefaultState());
double yMax = fullHeight ? editSession.getWorld().getMaxY() : position.getY() + size;
double yMin = Math.max(position.getY() - size, 0);
LocatedBlockList column = new LocatedBlockList();
Set<BlockVector3> removedBlocks = new LinkedHashSet<>();
for (double x = position.getX() - size; x <= position.getX() + size; x++) {
for (double z = position.getZ() - size; z <= position.getZ() + size; z++) {
/*
* Algorithm:
* 1. Find lowest air block in the selection -> $lowestAir = position
* 2. Move the first non-air block above it down to $lowestAir
* 3. Add 1 to $lowestAir's y-coord.
* 4. If more blocks above current position, repeat from 2
*/
BlockVector3 lowestAir = null;
for (double y = yMin; y <= yMax; y++) {
BlockVector3 pt = BlockVector3.at(x, y, z);
BaseBlock block = editSession.getFullBlock(pt);
if (block.getBlockType().getMaterial().isAir()) {
if (lowestAir == null) {
// we found the lowest air block
lowestAir = pt;
}
continue;
}
}
BlockVector3 pt = BlockVector3.at(x, y, z);
Collections.reverse(blockTypes);
for (int i = 0; i < blockTypes.size();) {
if (editSession.getBlock(pt).getBlockType().getMaterial().isAir()) {
editSession.setBlock(pt, blockTypes.get(i++));
if (lowestAir == null) {
// no place to move the block to
continue;
}
pt = pt.add(0, 1, 0);
BlockVector3 newPos = lowestAir;
// we know the block above must be air,
// since either this block is being moved into it,
// or there has been more air before this block
lowestAir = lowestAir.add(0, 1, 0);
removedBlocks.remove(newPos);
column.add(newPos, block);
removedBlocks.add(pt);
}
for (LocatedBlock block : column) {
editSession.setBlock(block.getLocation(), block.getBlock());
}
for (BlockVector3 removedBlock : removedBlocks) {
editSession.setBlock(removedBlock, BlockTypes.AIR.getDefaultState());
}
column.clear();
removedBlocks.clear();
}
}
}