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Re-add smooth filtering via a mask.

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Instead of trying to maintain a list of "natural terrain blocks", just
let the user specify a mask of blocks to use for the height map filter.

https://gfycat.com/severaljauntycondor
This commit is contained in:
wizjany 2019-02-26 18:15:35 -05:00
parent 9eeb0acffe
commit 243d6476ac
5 changed files with 47 additions and 17 deletions
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19
worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
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@ -592,10 +592,25 @@ public class EditSession implements Extent, AutoCloseable {
* @return height of highest block found or 'minY'
*/
public int getHighestTerrainBlock(int x, int z, int minY, int maxY) {
return getHighestTerrainBlock(x, z, minY, maxY, null);
}
/**
* Returns the highest solid 'terrain' block.
*
* @param x the X coordinate
* @param z the Z coordinate
* @param minY minimal height
* @param maxY maximal height
* @param filter a mask of blocks to consider, or null to consider any solid (movement-blocking) block
* @return height of highest block found or 'minY'
*/
public int getHighestTerrainBlock(int x, int z, int minY, int maxY, Mask filter) {
for (int y = maxY; y >= minY; --y) {
BlockVector3 pt = BlockVector3.at(x, y, z);
BlockState block = getBlock(pt);
if (block.getBlockType().getMaterial().isMovementBlocker()) {
if (filter == null
? getBlock(pt).getBlockType().getMaterial().isMovementBlocker()
: filter.test(pt)) {
return y;
}
}

15
worldedit-core/src/main/java/com/sk89q/worldedit/command/BrushCommands.java
View File

@ -42,6 +42,7 @@ import com.sk89q.worldedit.command.util.CreatureButcher;
import com.sk89q.worldedit.entity.Player;
import com.sk89q.worldedit.extent.clipboard.Clipboard;
import com.sk89q.worldedit.function.mask.BlockTypeMask;
import com.sk89q.worldedit.function.mask.Mask;
import com.sk89q.worldedit.function.pattern.BlockPattern;
import com.sk89q.worldedit.function.pattern.Pattern;
import com.sk89q.worldedit.math.BlockVector3;
@ -158,24 +159,24 @@ public class BrushCommands {
@Command(
aliases = { "smooth" },
usage = "[size] [iterations]",
usage = "[size] [iterations] [filter]",
desc = "Choose the terrain softener brush",
help =
"Chooses the terrain softener brush.",
"Chooses the terrain softener brush. Optionally, specify a mask of blocks to be used for the heightmap.\n" +
"For example, '/brush smooth 2 4 grass_block,dirt,stone'.",
min = 0,
max = 2
max = 3
)
@CommandPermissions("worldedit.brush.smooth")
public void smoothBrush(Player player, LocalSession session, EditSession editSession,
@Optional("2") double radius, @Optional("4") int iterations) throws WorldEditException {
@Optional("2") double radius, @Optional("4") int iterations, @Optional Mask mask) throws WorldEditException {
worldEdit.checkMaxBrushRadius(radius);
BrushTool tool = session.getBrushTool(player.getItemInHand(HandSide.MAIN_HAND).getType());
tool.setSize(radius);
tool.setBrush(new SmoothBrush(iterations), "worldedit.brush.smooth");
tool.setBrush(new SmoothBrush(iterations, mask), "worldedit.brush.smooth");
player.print(String.format("Smooth brush equipped (%.0f x %dx, using any block).", radius, iterations));
player.print(String.format("Smooth brush equipped (%.0f x %dx, using %s).", radius, iterations, mask == null ? "any block" : "filter"));
}
@Command(

12
worldedit-core/src/main/java/com/sk89q/worldedit/command/RegionCommands.java
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@ -240,17 +240,19 @@ public class RegionCommands {
@Command(
aliases = { "/smooth" },
usage = "[iterations]",
usage = "[iterations] [filter]",
desc = "Smooth the elevation in the selection",
help =
"Smooths the elevation in the selection.",
"Smooths the elevation in the selection.\n" +
"Optionally, restricts the height map to a set of blocks specified with mask syntax.\n" +
"For example, '//smooth 1 grass_block,dirt,stone' would only smooth natural surface terrain.",
min = 0,
max = 1
max = 2
)
@CommandPermissions("worldedit.region.smooth")
@Logging(REGION)
public void smooth(Player player, EditSession editSession, @Selection Region region, @Optional("1") int iterations) throws WorldEditException {
HeightMap heightMap = new HeightMap(editSession, region);
public void smooth(Player player, EditSession editSession, @Selection Region region, @Optional("1") int iterations, @Optional Mask mask) throws WorldEditException {
HeightMap heightMap = new HeightMap(editSession, region, mask);
HeightMapFilter filter = new HeightMapFilter(new GaussianKernel(5, 1.0));
int affected = heightMap.applyFilter(filter, iterations);
player.print("Terrain's height map smoothed. " + affected + " block(s) changed.");

11
worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/brush/SmoothBrush.java
View File

@ -21,6 +21,7 @@ package com.sk89q.worldedit.command.tool.brush;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.function.mask.Mask;
import com.sk89q.worldedit.function.pattern.Pattern;
import com.sk89q.worldedit.math.BlockVector3;
import com.sk89q.worldedit.math.Vector3;
@ -31,12 +32,20 @@ import com.sk89q.worldedit.regions.CuboidRegion;
import com.sk89q.worldedit.regions.Region;
import com.sk89q.worldedit.util.Location;
import javax.annotation.Nullable;
public class SmoothBrush implements Brush {
private final Mask mask;
private int iterations;
public SmoothBrush(int iterations) {
this(iterations, null);
}
public SmoothBrush(int iterations, @Nullable Mask mask) {
this.iterations = iterations;
this.mask = mask;
}
@Override
@ -45,7 +54,7 @@ public class SmoothBrush implements Brush {
Location min = new Location(editSession.getWorld(), posDouble.subtract(size, size, size));
BlockVector3 max = posDouble.add(size, size + 10, size).toBlockPoint();
Region region = new CuboidRegion(editSession.getWorld(), min.toVector().toBlockPoint(), max);
HeightMap heightMap = new HeightMap(editSession, region);
HeightMap heightMap = new HeightMap(editSession, region, mask);
HeightMapFilter filter = new HeightMapFilter(new GaussianKernel(5, 1.0));
heightMap.applyFilter(filter, iterations);
}

7
worldedit-core/src/main/java/com/sk89q/worldedit/math/convolution/HeightMap.java
View File

@ -23,11 +23,14 @@ import static com.google.common.base.Preconditions.checkNotNull;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.function.mask.Mask;
import com.sk89q.worldedit.math.BlockVector3;
import com.sk89q.worldedit.regions.Region;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockTypes;
import javax.annotation.Nullable;
/**
* Allows applications of Kernels onto the region's height map.
*
@ -48,7 +51,7 @@ public class HeightMap {
* @param session an edit session
* @param region the region
*/
public HeightMap(EditSession session, Region region) {
public HeightMap(EditSession session, Region region, @Nullable Mask mask) {
checkNotNull(session);
checkNotNull(region);
@ -67,7 +70,7 @@ public class HeightMap {
data = new int[width * height];
for (int z = 0; z < height; ++z) {
for (int x = 0; x < width; ++x) {
data[z * width + x] = session.getHighestTerrainBlock(x + minX, z + minZ, minY, maxY);
data[z * width + x] = session.getHighestTerrainBlock(x + minX, z + minZ, minY, maxY, mask);
}
}
}