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feat(JOML): migrate polyworlds #35

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merged 16 commits into from
Jan 26, 2021
Merged

feat(JOML): migrate polyworlds #35

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c168c08
feat(JOML): migrate polyworlds
pollend Jan 18, 2021
8138616
migrate to joml-ext and remove use of Sectors
pollend Jan 20, 2021
3b39e7e
cleanup
pollend Jan 21, 2021
3d97e04
cleanup imports
pollend Jan 21, 2021
407c69d
correct sector calculation and correct size for border
pollend Jan 24, 2021
a259e2e
simplify with getsize
pollend Jan 24, 2021
614858c
cleanup termath
pollend Jan 24, 2021
2ae4642
paritially fixed tests
pollend Jan 24, 2021
663e984
Update src/test/java/org/terasology/polyworld/sampling/PoissonDiscTes…
pollend Jan 26, 2021
6c56f64
Update src/main/java/org/terasology/math/delaunay/Line2f.java
pollend Jan 26, 2021
a7914fe
Update src/test/java/org/terasology/polyworld/sampling/PoissonDiscTes…
pollend Jan 26, 2021
e8fdc86
Update src/main/java/org/terasology/polyworld/graph/VoronoiGraph.java
pollend Jan 26, 2021
efbc172
Update src/main/java/org/terasology/polyworld/graph/VoronoiGraph.java
pollend Jan 26, 2021
9551394
Update src/main/java/org/terasology/math/delaunay/Line2f.java
pollend Jan 26, 2021
7c5d73f
Update src/main/java/org/terasology/math/delaunay/Line2f.java
pollend Jan 26, 2021
0978cb0
chore: address review comments
skaldarnar Jan 26, 2021
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57 changes: 28 additions & 29 deletions src/main/java/org/terasology/math/delaunay/Edge.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,14 +16,13 @@

package org.terasology.math.delaunay;

import org.joml.Vector2f;
import org.joml.Vector2fc;
import org.terasology.joml.geom.Rectanglef;

import java.util.EnumMap;
import java.util.Map;

import org.terasology.math.geom.BaseVector2f;
import org.terasology.math.geom.LineSegment;
import org.terasology.math.geom.Rect2f;
import org.terasology.math.geom.Vector2f;

/**
* The line segment connecting the two Sites is part of the Delaunay
* triangulation; the line segment connecting the two Vertices is part of the
Expand All @@ -49,7 +48,7 @@ public final class Edge {
* Once clipVertices() is called, this HashMap will hold two Points
* representing the clipped coordinates of the left and right ends...
*/
private final Map<LR, Vector2f> clippedVertices = new EnumMap<LR, Vector2f>(LR.class);
private final Map<LR, Vector2fc> clippedVertices = new EnumMap<LR, Vector2fc>(LR.class);

/**
* The two input Sites for which this Edge is a bisector:
Expand Down Expand Up @@ -107,17 +106,17 @@ public static Edge createBisectingEdge(Site site0, Site site1) {
return edge;
}

public LineSegment delaunayLine() {
public Line2f delaunayLine() {
// draw a line connecting the input Sites for which the edge is a bisector:
return new LineSegment(getLeftSite().getCoord(), getRightSite().getCoord());
return new Line2f(getLeftSite().getCoord(), getRightSite().getCoord());
}

public LineSegment voronoiEdge() {
public Line2f voronoiEdge() {
if (!isVisible()) {
return null;
}
return new LineSegment(clippedVertices.get(LR.LEFT),
clippedVertices.get(LR.RIGHT));
return new Line2f(clippedVertices.get(LR.LEFT),
clippedVertices.get(LR.RIGHT));
}

public Vertex getLeftVertex() {
Expand All @@ -141,7 +140,7 @@ public boolean isPartOfConvexHull() {
}

public float sitesDistance() {
return BaseVector2f.distance(getLeftSite().getCoord(), getRightSite().getCoord());
return getLeftSite().getCoord().distance(getRightSite().getCoord());
}

public static float compareSitesDistancesMax(Edge edge0, Edge edge1) {
Expand All @@ -160,7 +159,7 @@ public static float compareSitesDistances(Edge edge0, Edge edge1) {
return -compareSitesDistancesMax(edge0, edge1);
}

public Map<LR, Vector2f> getClippedEnds() {
public Map<LR, Vector2fc> getClippedEnds() {
return clippedVertices;
}

Expand Down Expand Up @@ -205,11 +204,11 @@ public String toString() {
* @param bounds
*
*/
public void clipVertices(Rect2f bounds) {
float xmin = bounds.minX();
float ymin = bounds.minY();
float xmax = bounds.maxX();
float ymax = bounds.maxY();
public void clipVertices(Rectanglef bounds) {
float xmin = bounds.minX;
float ymin = bounds.minY;
float xmax = bounds.maxX;
float ymax = bounds.maxY;

Vertex vertex0;
Vertex vertex1;
Expand All @@ -228,17 +227,17 @@ public void clipVertices(Rect2f bounds) {

if (getA() == 1.0) {
y0 = ymin;
if (vertex0 != null && vertex0.getY() > ymin) {
y0 = vertex0.getY();
if (vertex0 != null && vertex0.y() > ymin) {
y0 = vertex0.y();
}
if (y0 > ymax) {
return;
}
x0 = getC() - getB() * y0;

y1 = ymax;
if (vertex1 != null && vertex1.getY() < ymax) {
y1 = vertex1.getY();
if (vertex1 != null && vertex1.y() < ymax) {
y1 = vertex1.y();
}
if (y1 < ymin) {
return;
Expand Down Expand Up @@ -266,17 +265,17 @@ public void clipVertices(Rect2f bounds) {
}
} else {
x0 = xmin;
if (vertex0 != null && vertex0.getX() > xmin) {
x0 = vertex0.getX();
if (vertex0 != null && vertex0.x() > xmin) {
x0 = vertex0.x();
}
if (x0 > xmax) {
return;
}
y0 = getC() - getA() * x0;

x1 = xmax;
if (vertex1 != null && vertex1.getX() < xmax) {
x1 = vertex1.getX();
if (vertex1 != null && vertex1.x() < xmax) {
x1 = vertex1.x();
}
if (x1 < xmin) {
return;
Expand Down Expand Up @@ -316,11 +315,11 @@ public void clipVertices(Rect2f bounds) {
// overwrite previously computed coordinates with exact vertex locations
// where possible. This avoids rounding errors and ensures that equals() works properly.
// TODO: check before computing the clipped vertices
if (leftVertex != null && bounds.contains(leftVertex.getX(), leftVertex.getY())) {
clippedVertices.put(LR.LEFT, leftVertex.getCoord());
if (leftVertex != null && bounds.containsPoint(leftVertex.x(), leftVertex.y())) {
clippedVertices.put(LR.LEFT, new Vector2f(leftVertex.getCoord()));
}

if (rightVertex != null && bounds.contains(rightVertex.getX(), rightVertex.getY())) {
if (rightVertex != null && bounds.containsPoint(rightVertex.x(), rightVertex.y())) {
clippedVertices.put(LR.RIGHT, rightVertex.getCoord());
}
}
Expand Down
12 changes: 6 additions & 6 deletions src/main/java/org/terasology/math/delaunay/EdgeList.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,11 +16,11 @@

package org.terasology.math.delaunay;

import org.joml.Vector2fc;

import java.util.ArrayList;
import java.util.List;

import org.terasology.math.geom.Vector2f;

final class EdgeList {

private float deltax;
Expand Down Expand Up @@ -89,13 +89,13 @@ public void remove(Halfedge halfEdge) {
* @return
*
*/
public Halfedge edgeListLeftNeighbor(Vector2f p) {
public Halfedge edgeListLeftNeighbor(Vector2fc p) {
int i;
int bucket;
Halfedge halfEdge;

/* Use hash table to get close to desired halfedge */
bucket = (int) ((p.getX() - xmin) / deltax * hashsize);
bucket = (int) ((p.x() - xmin) / deltax * hashsize);
if (bucket < 0) {
bucket = 0;
}
Expand Down Expand Up @@ -134,8 +134,8 @@ public Halfedge edgeListLeftNeighbor(Vector2f p) {
return halfEdge;
}

/**
* Get entry from hash table, pruning any deleted nodes
/**
* Get entry from hash table, pruning any deleted nodes
*/
private Halfedge getHash(int b) {
Halfedge halfEdge;
Expand Down
22 changes: 11 additions & 11 deletions src/main/java/org/terasology/math/delaunay/Halfedge.java
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@

package org.terasology.math.delaunay;

import org.terasology.math.geom.Vector2f;
import org.joml.Vector2fc;

final class Halfedge {

Expand All @@ -26,7 +26,7 @@ final class Halfedge {
public Edge edge;
public LR leftRight;
public Vertex vertex;

// the vertex's y-coordinate in the transformed Voronoi space V*
public float ystar;

Expand All @@ -44,7 +44,7 @@ public static Halfedge create(Edge edge, LR lr) {
public static Halfedge createDummy() {
return create(null, null);
}

@Override
public String toString() {
return "Halfedge (leftRight: " + leftRight + "; vertex: " + vertex + ")";
Expand Down Expand Up @@ -73,7 +73,7 @@ public void reallyDispose() {
vertex = null;
}

public boolean isLeftOf(Vector2f p) {
public boolean isLeftOf(Vector2fc p) {
Site topSite;
boolean rightOfSite;
boolean above;
Expand All @@ -87,7 +87,7 @@ public boolean isLeftOf(Vector2f p) {
float yl;

topSite = edge.getRightSite();
rightOfSite = p.getX() > topSite.getX();
rightOfSite = p.x() > topSite.getX();
if (rightOfSite && this.leftRight == LR.LEFT) {
return true;
}
Expand All @@ -96,14 +96,14 @@ public boolean isLeftOf(Vector2f p) {
}

if (edge.getA() == 1.0) {
dyp = p.getY() - topSite.getY();
dxp = p.getX() - topSite.getX();
dyp = p.y() - topSite.getY();
dxp = p.x() - topSite.getX();
fast = false;
if ((!rightOfSite && edge.getB() < 0.0) || (rightOfSite && edge.getB() >= 0.0)) {
above = dyp >= edge.getB() * dxp;
fast = above;
} else {
above = p.getX() + p.getY() * edge.getB() > edge.getC();
above = p.x() + p.y() * edge.getB() > edge.getC();
if (edge.getB() < 0.0) {
above = !above;
}
Expand All @@ -120,9 +120,9 @@ public boolean isLeftOf(Vector2f p) {
}
}
} else /* edge.b == 1.0 */ {
yl = edge.getC() - edge.getA() * p.getX();
t1 = p.getY() - yl;
t2 = p.getX() - topSite.getX();
yl = edge.getC() - edge.getA() * p.x();
t1 = p.y() - yl;
t2 = p.x() - topSite.getX();
t3 = yl - topSite.getY();
above = t1 * t1 > t2 * t2 + t3 * t3;
}
Expand Down
10 changes: 5 additions & 5 deletions src/main/java/org/terasology/math/delaunay/HalfedgePriorityQueue.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,11 +16,11 @@

package org.terasology.math.delaunay;

import org.joml.Vector2f;

import java.util.ArrayList;
import java.util.List;

import org.terasology.math.geom.Vector2f;

final class HalfedgePriorityQueue {
private List<Halfedge> hash;
private int count;
Expand All @@ -37,7 +37,7 @@ public HalfedgePriorityQueue(float ymin, float deltay, int sqrtNumSites) {
count = 0;
minBucket = 0;
hash = new ArrayList<Halfedge>(hashsize);

// dummy Halfedge at the top of each hash
for (int i = 0; i < hashsize; ++i) {
hash.add(Halfedge.createDummy());
Expand All @@ -64,7 +64,7 @@ public void insert(Halfedge halfEdge) {
}
previous = hash.get(insertionBucket);
next = previous.nextInPriorityQueue;
while (next != null && (halfEdge.ystar > next.ystar || (halfEdge.ystar == next.ystar && halfEdge.vertex.getX() > next.vertex.getX()))) {
while (next != null && (halfEdge.ystar > next.ystar || (halfEdge.ystar == next.ystar && halfEdge.vertex.x() > next.vertex.x()))) {
previous = next;
next = previous.nextInPriorityQueue;
}
Expand Down Expand Up @@ -128,7 +128,7 @@ public boolean empty() {
public Vector2f min() {
adjustMinBucket();
Halfedge answer = hash.get(minBucket).nextInPriorityQueue;
return new Vector2f(answer.vertex.getX(), answer.ystar);
return new Vector2f(answer.vertex.x(), answer.ystar);
}

/**
Expand Down
4 changes: 2 additions & 2 deletions src/main/java/org/terasology/math/delaunay/ICoord.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,9 +16,9 @@

package org.terasology.math.delaunay;

import org.terasology.math.geom.Vector2f;
import org.joml.Vector2fc;

public interface ICoord {

Vector2f getCoord();
Vector2fc getCoord();
}
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