upstream changes

This commit is contained in:
MattBDev
2019-08-15 15:21:24 -04:00
parent 7a57a5dd8c
commit cbbe8b5dfa
36 changed files with 1573 additions and 266 deletions

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@ -0,0 +1,52 @@
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.math;
public final class BitMath {
public static int mask(int bits) {
return ~(~0 << bits);
}
public static int unpackX(long packed) {
return extractSigned(packed, 0, 26);
}
public static int unpackZ(long packed) {
return extractSigned(packed, 26, 26);
}
public static int unpackY(long packed) {
return extractSigned(packed, 26 + 26, 12);
}
public static int extractSigned(long i, int shift, int bits) {
return fixSign((int) (i >> shift) & mask(bits), bits);
}
public static int fixSign(int i, int bits) {
// Using https://stackoverflow.com/a/29266331/436524
return i << (32 - bits) >> (32 - bits);
}
private BitMath() {
}
}

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@ -20,6 +20,10 @@
package com.sk89q.worldedit.math;
import static com.google.common.base.Preconditions.checkArgument;
import static com.sk89q.worldedit.math.BitMath.mask;
import static com.sk89q.worldedit.math.BitMath.unpackX;
import static com.sk89q.worldedit.math.BitMath.unpackY;
import static com.sk89q.worldedit.math.BitMath.unpackZ;
import com.sk89q.jnbt.CompoundTag;
import com.sk89q.worldedit.extent.Extent;
@ -67,6 +71,31 @@ public abstract class BlockVector3 {
return new BlockVector3Imp(x, y, z);
}
private static final int WORLD_XZ_MINMAX = 30_000_000;
private static final int WORLD_Y_MAX = 4095;
private static boolean isHorizontallyInBounds(int h) {
return -WORLD_XZ_MINMAX <= h && h <= WORLD_XZ_MINMAX;
}
public static boolean isLongPackable(BlockVector3 location) {
return isHorizontallyInBounds(location.getX()) &&
isHorizontallyInBounds(location.getZ()) &&
0 <= location.getY() && location.getY() <= WORLD_Y_MAX;
}
public static void checkLongPackable(BlockVector3 location) {
checkArgument(isLongPackable(location),
"Location exceeds long packing limits: %s", location);
}
private static final long BITS_26 = mask(26);
private static final long BITS_12 = mask(12);
public static BlockVector3 fromLongPackedForm(long packed) {
return at(unpackX(packed), unpackY(packed), unpackZ(packed));
}
// thread-safe initialization idiom
private static final class YzxOrderComparator {
@ -154,6 +183,11 @@ public abstract class BlockVector3 {
// return orDefault.setComponents(getX(), getY() - 1, getZ());
// }
public long toLongPackedForm() {
checkLongPackable(this);
return (getX() & BITS_26) | ((getZ() & BITS_26) << 26) | (((getY() & (long) BITS_12) << (26 + 26)));
}
/**
* Get the X coordinate.
*

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@ -0,0 +1,41 @@
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.math;
import java.util.Comparator;
import static com.sk89q.worldedit.math.BlockVector2.COMPARING_GRID_ARRANGEMENT;
/**
* Sort block positions by region, then chunk.
*/
public class RegionOptimizedChunkComparator {
private static final Comparator<BlockVector2> CHUNK_COMPARATOR =
Comparator.comparing((BlockVector2 chunkPos) -> chunkPos.shr(5), COMPARING_GRID_ARRANGEMENT)
.thenComparing(COMPARING_GRID_ARRANGEMENT);
public static final Comparator<BlockVector3> INSTANCE
= Comparator.comparing(blockPos -> blockPos.toBlockVector2().shr(4), CHUNK_COMPARATOR);
private RegionOptimizedChunkComparator() {
}
}

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@ -0,0 +1,36 @@
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.math;
import java.util.Comparator;
/**
* Sort block positions by region, chunk, and finally Y-Z-X.
*/
public class RegionOptimizedComparator {
public static final Comparator<BlockVector3> INSTANCE
= RegionOptimizedChunkComparator.INSTANCE
.thenComparing(BlockVector3.sortByCoordsYzx());
private RegionOptimizedComparator() {
}
}