Plexus/Plex-FAWE
1
0
Fork 0
mirror of https://github.com/plexusorg/Plex-FAWE.git synced 2024-11-16 17:16:11 +00:00
Code Issues Packages Projects Releases Wiki Activity

Moved the polygonization code to the specific regions that are being polygonized.

Browse Source 
Also, maxPoints no longer has confusing semantics.
This commit is contained in:
TomyLobo 2013-07-27 11:12:29 +02:00 committed by wizjany
parent 34093884bc
commit c838ef7b25
5 changed files with 70 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/main/java/com/sk89q/worldedit/regions/AbstractRegion.java
View File

@ -19,9 +19,12 @@
package com.sk89q.worldedit.regions;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import com.sk89q.worldedit.BlockVector;
import com.sk89q.worldedit.BlockVector2D;
import com.sk89q.worldedit.LocalWorld;
import com.sk89q.worldedit.Vector;
@ -69,4 +72,23 @@ public abstract class AbstractRegion implements Region {
return null;
}
}
@Override
public List<BlockVector2D> polygonize(int maxPoints) {
if (maxPoints >= 0 && maxPoints < 4) {
throw new IllegalArgumentException("Cannot polygonize an AbstractRegion with no overridden polygonize method into less than 4 points.");
}
final BlockVector min = getMinimumPoint().toBlockVector();
final BlockVector max = getMaximumPoint().toBlockVector();
final List<BlockVector2D> points = new ArrayList<BlockVector2D>(4);
points.add(new BlockVector2D(min.getX(), min.getZ()));
points.add(new BlockVector2D(min.getX(), max.getZ()));
points.add(new BlockVector2D(max.getX(), max.getZ()));
points.add(new BlockVector2D(max.getX(), min.getZ()));
return points;
}
}

23
src/main/java/com/sk89q/worldedit/regions/CylinderRegion.java
View File

@ -19,8 +19,10 @@
package com.sk89q.worldedit.regions;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import com.sk89q.worldedit.BlockVector;
@ -408,4 +410,25 @@ public class CylinderRegion extends AbstractRegion implements FlatRegion {
public CylinderRegion clone() {
return (CylinderRegion) super.clone();
}
@Override
public List<BlockVector2D> polygonize(int maxPoints) {
final Vector2D radius = getRadius();
int nPoints = (int) Math.ceil(Math.PI*radius.length());
// These strange semantics for maxPoints are copied from the selectSecondary method.
if (maxPoints >= 0 && nPoints >= maxPoints) {
nPoints = maxPoints - 1;
}
final List<BlockVector2D> points = new ArrayList<BlockVector2D>(nPoints);
for (int i = 0; i < nPoints; ++i) {
double angle = i * (2.0 * Math.PI) / nPoints;
final Vector2D pos = new Vector2D(Math.cos(angle), Math.sin(angle));
final BlockVector2D blockVector2D = pos.multiply(radius).add(center).toBlockVector2D();
points.add(blockVector2D);
}
return points;
}
}

9
src/main/java/com/sk89q/worldedit/regions/Polygonal2DRegion.java
View File

@ -530,4 +530,13 @@ public class Polygonal2DRegion extends AbstractRegion implements FlatRegion {
clone.points = new ArrayList<BlockVector2D>(points);
return clone;
}
@Override
public List<BlockVector2D> polygonize(int maxPoints) {
if (maxPoints >= 0 && maxPoints < points.size()) {
throw new IllegalArgumentException("Cannot polygonize a this Polygonal2DRegion into the amount of points given.");
}
return points;
}
}

47
src/main/java/com/sk89q/worldedit/regions/Polygonal2DRegionSelector.java
View File

@ -19,7 +19,6 @@
package com.sk89q.worldedit.regions;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import com.sk89q.worldedit.BlockVector;
@ -29,7 +28,6 @@ import com.sk89q.worldedit.LocalPlayer;
import com.sk89q.worldedit.LocalSession;
import com.sk89q.worldedit.LocalWorld;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.Vector2D;
import com.sk89q.worldedit.cui.CUIRegion;
import com.sk89q.worldedit.cui.SelectionMinMaxEvent;
import com.sk89q.worldedit.cui.SelectionPoint2DEvent;
@ -67,33 +65,6 @@ public class Polygonal2DRegionSelector implements RegionSelector, CUIRegion {
pos1 = polygonal2DRegionSelector.pos1;
region = new Polygonal2DRegion(polygonal2DRegionSelector.region);
} else if (oldSelector instanceof CylinderRegionSelector) {
final CylinderRegionSelector cylinderRegionSelector = (CylinderRegionSelector) oldSelector;
final CylinderRegion oldRegion = cylinderRegionSelector.region;
final Vector2D radius = oldRegion.getRadius();
final Vector2D center = oldRegion.getCenter().toVector2D();
int nPoints = (int) Math.ceil(Math.PI*radius.length());
// These strange semantics for maxPoints are copied from the selectSecondary method.
if (maxPoints > -1 && nPoints >= maxPoints) {
nPoints = maxPoints - 1;
}
final List<BlockVector2D> points = new ArrayList<BlockVector2D>(nPoints);
for (int i = 0; i < nPoints; ++i) {
double angle = i * (2.0 * Math.PI) / nPoints;
final Vector2D pos = new Vector2D(Math.cos(angle), Math.sin(angle));
final BlockVector2D blockVector2D = pos.multiply(radius).add(center).toBlockVector2D();
points.add(blockVector2D);
}
final int minY = oldRegion.getMinimumY();
pos1 = points.get(0).toVector(minY).toBlockVector();
region = new Polygonal2DRegion(oldRegion.getWorld(), points, minY, oldRegion.getMaximumY());
} else {
final Region oldRegion;
try {
@ -102,20 +73,12 @@ public class Polygonal2DRegionSelector implements RegionSelector, CUIRegion {
return;
}
BlockVector min = oldRegion.getMinimumPoint().toBlockVector();
BlockVector max = oldRegion.getMaximumPoint().toBlockVector();
final int minY = oldRegion.getMinimumPoint().getBlockY();
final int maxY = oldRegion.getMaximumPoint().getBlockY();
int minY = min.getBlockY();
int maxY = max.getBlockY();
List<BlockVector2D> points = oldRegion.polygonize(maxPoints);
List<BlockVector2D> points = new ArrayList<BlockVector2D>(4);
points.add(new BlockVector2D(min.getX(), min.getZ()));
points.add(new BlockVector2D(min.getX(), max.getZ()));
points.add(new BlockVector2D(max.getX(), max.getZ()));
points.add(new BlockVector2D(max.getX(), min.getZ()));
pos1 = min;
pos1 = points.get(0).toVector(minY).toBlockVector();
region = new Polygonal2DRegion(oldRegion.getWorld(), points, minY, maxY);
}
}
@ -148,7 +111,7 @@ public class Polygonal2DRegionSelector implements RegionSelector, CUIRegion {
return false;
}
if (maxPoints > -1 && points.size() >= maxPoints) {
if (maxPoints >= 0 && points.size() > maxPoints) {
return false;
}
}

11
src/main/java/com/sk89q/worldedit/regions/Region.java
View File

@ -20,9 +20,12 @@
package com.sk89q.worldedit.regions;
import com.sk89q.worldedit.BlockVector;
import com.sk89q.worldedit.BlockVector2D;
import com.sk89q.worldedit.LocalWorld;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.Vector2D;
import java.util.List;
import java.util.Set;
/**
@ -142,4 +145,12 @@ public interface Region extends Iterable<BlockVector>, Cloneable {
public void setWorld(LocalWorld world);
public Region clone();
/**
* Polygonizes a cross-section or a 2D projection of the region orthogonal to the Y axis.
*
* @param maxPoints maximum number of points to generate. -1 for no limit.
* @return the points.
*/
public List<BlockVector2D> polygonize(int maxPoints);
}