Various minor
Closes #482 Optimized sqrt for small ranges Close clipboard on finalize
This commit is contained in:
Jesse Boyd
parent
6f664c19bb
commit
b902a57c2c
@ -1,4 +1,57 @@
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package com.boydti.fawe.object.brush;
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public class FallingSphere {
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import com.boydti.fawe.util.MathMan;
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import com.sk89q.worldedit.EditSession;
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import com.sk89q.worldedit.MaxChangedBlocksException;
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import com.sk89q.worldedit.Vector;
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import com.sk89q.worldedit.command.tool.brush.Brush;
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import com.sk89q.worldedit.function.pattern.Pattern;
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public class FallingSphere implements Brush {
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@Override
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public void build(EditSession editSession, Vector position, Pattern pattern, double size) throws MaxChangedBlocksException {
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int px = position.getBlockX();
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int py = position.getBlockY();
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int pz = position.getBlockZ();
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int maxY = editSession.getMaxY();
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int lastY = py;
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int radius = (int) Math.round(size);
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int radiusSqr = (int) Math.round(size * size);
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for (int z = -radius; z <= radius; z++) {
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int zz = z * z;
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int az = pz + z;
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int remaining = radiusSqr - zz;
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int xRadius = MathMan.usqrt(remaining);
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for (int x = -xRadius; x <= xRadius; x++) {
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int xx = x * x;
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int ax = px + x;
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int remainingY = remaining - xx;
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if (remainingY < 0) continue;
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int yRadius = MathMan.usqrt(remainingY);
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int startY = Math.max(0, py - yRadius);
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int endY = Math.min(maxY, py + yRadius);
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int heightY = editSession.getHighestTerrainBlock(ax, az, 0, endY);
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if (heightY < startY) {
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int diff = startY - heightY;
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startY -= diff;
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endY -= diff;
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}
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for (int y = startY; y <= heightY; y++) {
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editSession.setBlock(ax, y, az, pattern);
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}
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for (int y = heightY + 1; y <= endY; y++) {
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editSession.setBlock(ax, y, az, pattern);
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}
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}
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}
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}
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}
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@ -22,6 +22,25 @@ public class MathMan {
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}
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private static float[] ANGLES = new float[65536];
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private static char[] SQRT = new char[65536];
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static {
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for (int i = 0; i < SQRT.length; i++) {
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SQRT[i] = (char) Math.round(Math.sqrt(i));
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}
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}
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/**
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* Optimized for i elem 0,65536 (characters)
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* @param i
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* @return square root
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*/
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public static int usqrt(int i) {
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if (i < 65536) {
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return SQRT[i];
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}
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return (int) Math.round(Math.sqrt(i));
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}
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public static float sinInexact(double paramFloat) {
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return ANGLES[(int) (paramFloat * 10430.378F) & 0xFFFF];
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@ -106,28 +125,6 @@ public class MathMan {
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}
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}
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private final static int[] table = {
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0, 16, 22, 27, 32, 35, 39, 42, 45, 48, 50, 53, 55, 57,
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59, 61, 64, 65, 67, 69, 71, 73, 75, 76, 78, 80, 81, 83,
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84, 86, 87, 89, 90, 91, 93, 94, 96, 97, 98, 99, 101, 102,
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103, 104, 106, 107, 108, 109, 110, 112, 113, 114, 115, 116, 117, 118,
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119, 120, 121, 122, 123, 124, 125, 126, 128, 128, 129, 130, 131, 132,
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133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 144, 145,
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146, 147, 148, 149, 150, 150, 151, 152, 153, 154, 155, 155, 156, 157,
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158, 159, 160, 160, 161, 162, 163, 163, 164, 165, 166, 167, 167, 168,
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169, 170, 170, 171, 172, 173, 173, 174, 175, 176, 176, 177, 178, 178,
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179, 180, 181, 181, 182, 183, 183, 184, 185, 185, 186, 187, 187, 188,
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189, 189, 190, 191, 192, 192, 193, 193, 194, 195, 195, 196, 197, 197,
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198, 199, 199, 200, 201, 201, 202, 203, 203, 204, 204, 205, 206, 206,
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207, 208, 208, 209, 209, 210, 211, 211, 212, 212, 213, 214, 214, 215,
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215, 216, 217, 217, 218, 218, 219, 219, 220, 221, 221, 222, 222, 223,
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224, 224, 225, 225, 226, 226, 227, 227, 228, 229, 229, 230, 230, 231,
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231, 232, 232, 233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238,
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239, 240, 240, 241, 241, 242, 242, 243, 243, 244, 244, 245, 245, 246,
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246, 247, 247, 248, 248, 249, 249, 250, 250, 251, 251, 252, 252, 253,
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253, 254, 254, 255
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};
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public static double hypot(final double... pars) {
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double sum = 0;
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for (final double d : pars) {
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@ -326,73 +323,6 @@ public class MathMan {
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return result;
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}
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public static final int sqrt(int x) {
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int xn;
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if (x >= 0x10000) {
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if (x >= 0x1000000) {
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if (x >= 0x10000000) {
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if (x >= 0x40000000) {
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xn = table[x >> 24] << 8;
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} else {
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xn = table[x >> 22] << 7;
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}
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} else {
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if (x >= 0x4000000) {
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xn = table[x >> 20] << 6;
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} else {
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xn = table[x >> 18] << 5;
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}
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}
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xn = (xn + 1 + (x / xn)) >> 1;
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xn = (xn + 1 + (x / xn)) >> 1;
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return ((xn * xn) > x) ? --xn : xn;
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} else {
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if (x >= 0x100000) {
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if (x >= 0x400000) {
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xn = table[x >> 16] << 4;
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} else {
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xn = table[x >> 14] << 3;
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}
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} else {
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if (x >= 0x40000) {
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xn = table[x >> 12] << 2;
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} else {
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xn = table[x >> 10] << 1;
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}
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}
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xn = (xn + 1 + (x / xn)) >> 1;
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return ((xn * xn) > x) ? --xn : xn;
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}
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} else {
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if (x >= 0x100) {
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if (x >= 0x1000) {
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if (x >= 0x4000) {
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xn = (table[x >> 8]) + 1;
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} else {
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xn = (table[x >> 6] >> 1) + 1;
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}
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} else {
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if (x >= 0x400) {
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xn = (table[x >> 4] >> 2) + 1;
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} else {
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xn = (table[x >> 2] >> 3) + 1;
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}
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}
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return ((xn * xn) > x) ? --xn : xn;
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} else {
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if (x >= 0) {
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return table[x] >> 4;
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}
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}
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}
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throw new IllegalArgumentException("Invalid number:" + x);
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}
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public static final double getMean(int[] array) {
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double count = 0;
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@ -284,33 +284,40 @@ public class BrushCommands extends MethodCommands {
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@Command(
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aliases = {"sphere", "s"},
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usage = "<pattern> [radius=2]",
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flags = "h",
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flags = "hf",
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desc = "Creates a sphere",
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help =
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"Creates a sphere.\n" +
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"The -h flag creates hollow spheres instead.",
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"The -h flag creates hollow spheres instead." +
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"The -f flag creates falling spheres.",
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min = 1,
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max = 2
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)
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@CommandPermissions("worldedit.brush.sphere")
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public BrushSettings sphereBrush(Player player, EditSession editSession, LocalSession session, Pattern fill, @Optional("2") @Range(min=0) double radius, @Switch('h') boolean hollow, CommandContext context) throws WorldEditException {
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public BrushSettings sphereBrush(Player player, EditSession editSession, LocalSession session, Pattern fill, @Optional("2") @Range(min=0) double radius, @Switch('h') boolean hollow, @Switch('f') boolean falling, CommandContext context) throws WorldEditException {
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worldEdit.checkMaxBrushRadius(radius);
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Brush brush;
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if (hollow) {
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brush = new HollowSphereBrush();
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} else {
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brush = new SphereBrush();
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}
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if (fill instanceof BaseBlock) {
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BaseBlock block = (BaseBlock) fill;
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switch (block.getId()) {
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case BlockID.SAND:
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case BlockID.GRAVEL:
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BBC.BRUSH_TRY_OTHER.send(player);
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falling = true;
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break;
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}
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}
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if (falling) {
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brush = new FallingSphere();
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} else {
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brush = new SphereBrush();
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}
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}
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return get(context)
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.setBrush(brush)
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.setSize(radius)
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@ -115,6 +115,11 @@ public class BlockArrayClipboard implements Clipboard, LightingExtent {
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this.mz = origin.getBlockZ();
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}
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@Override
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protected void finalize() throws Throwable {
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close();
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}
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public void close() {
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IMP.close();
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}
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