rename tankontank directories into rustanddust

3 files changed, 1762 insertions, 0 deletions

diff --git a/core/test/ch/asynk/rustanddust/BoardUtils.java b/core/test/ch/asynk/rustanddust/BoardUtils.java
new file mode 100644
index 0000000..a0b5a1b
--- /dev/null
+++ b/core/test/ch/asynk/rustanddust/BoardUtils.java
@@ -0,0 +1,197 @@
+package ch.asynk.rustanddust;
+
+import java.util.List;
+import java.util.ArrayList;
+import java.util.HashSet;
+
+import org.junit.Test;
+import org.junit.Before;
+
+import ch.asynk.rustanddust.engine.Tile;
+import ch.asynk.rustanddust.engine.Path;
+
+import static org.junit.Assert.assertTrue;
+
+public class BoardUtils
+{
+    private Helpers.FakeBoard b;
+    private Helpers.FakeSearchBoard sb;
+
+    @Before
+    public void initialize()
+    {
+        int cols = 10;
+        int rows = 9;
+        int mvt = 3;
+        b = new Helpers.FakeBoard(cols, rows, 3);
+        sb = new Helpers.FakeSearchBoard(b, cols, rows);
+    }
+
+    private void assertTile(Tile t, int col, int row)
+    {
+        assertTrue(t.getCol() == col);
+        assertTrue(t.getRow() == row);
+    }
+
+    @Test
+    public void testPaths()
+    {
+        int n = b.buildPathBuilder(2, 2, 4, 3);
+
+        assertTrue(b.pathBuilder.distance == 2);
+        assertTrue(n == 8);
+
+        for(int p = 0; p < n; p++) {
+
+            Path path = b.pathBuilder.getPath(p);
+            int z = path.tiles.size();
+            assertTrue(path.cost == (z + 1));
+
+            Tile t;
+            int i = 0;
+            if (z == 1) {
+                t = path.tiles.get(i);
+                assertTrue(t.getCol() == 3);
+                assertTrue((t.getRow() == 2) || (t.getRow() == 3));;
+            } else if (z == 2) {
+                t = path.tiles.get(i);
+                if (t.getCol() == 2) {
+                    i += 1;
+                    if (t.getRow() == 1) {
+                        t = path.tiles.get(i);
+                        assertTile(t, 3, 2);
+                    } else {
+                        assert(t.getRow()== 3);
+                        t = path.tiles.get(i);
+                        assertTile(t, 3, 3);
+                    }
+                } else if (t.getCol() == 3) {
+                    i += 1;
+                    if (t.getRow() == 2) {
+                        t = path.tiles.get(i);
+                        if (t.getCol() == 3)
+                            assert(t.getRow()== 3);
+                        else {
+                            assertTile(t, 4, 2);
+                        }
+                    } else {
+                        assert(t.getRow() == 3);
+                        t = path.tiles.get(i);
+                        if (t.getCol() == 3)
+                            assert(t.getRow() == 2);
+                        else {
+                            assertTile(t, 4, 4);
+                        }
+                    }
+                } else {
+                    assertTrue(false);
+                }
+            } else {
+                assertTrue(false);
+            }
+        }
+    }
+
+    @Test
+    public void testPathSet()
+    {
+        int n = b.buildPathBuilder(2, 2, 3, 3);
+        assertTrue(n == 1);
+
+        n = b.buildPathBuilder(2, 2, 4, 3);
+        assertTrue(n == 8);
+
+        n = b.togglePoint(3, 3);
+        assertTrue(n == 1);
+
+        n = b.buildPathBuilder(2, 2, 5, 3);
+        assertTrue(n == 3);
+
+        n = b.togglePoint(3, 3);
+        assertTrue(n == 1);
+
+        n = b.togglePoint(3, 3);
+        assertTrue(n == 3);
+
+        n = b.togglePoint(3, 2);
+        assertTrue(n == 2);
+
+        n = b.togglePoint(4, 2);
+        assertTrue(n == 1);
+
+    }
+
+    @Test
+    public void testDistance()
+    {
+        assertTrue(sb.distance(6, 4, 6, 4) == 0);
+        assertTrue(sb.distance(6, 4, 5, 4) == 1);
+        assertTrue(sb.distance(6, 4, 6, 5) == 1);
+        assertTrue(sb.distance(6, 4, 7, 5) == 1);
+        assertTrue(sb.distance(6, 4, 7, 4) == 1);
+        assertTrue(sb.distance(6, 4, 6, 3) == 1);
+        assertTrue(sb.distance(6, 4, 5, 3) == 1);
+        assertTrue(sb.distance(6, 4, 4, 4) == 2);
+        assertTrue(sb.distance(6, 4, 5, 5) == 2);
+        assertTrue(sb.distance(6, 4, 6, 6) == 2);
+        assertTrue(sb.distance(6, 4, 7, 6) == 2);
+        assertTrue(sb.distance(6, 4, 8, 6) == 2);
+        assertTrue(sb.distance(6, 4, 8, 5) == 2);
+        assertTrue(sb.distance(6, 4, 8, 4) == 2);
+        assertTrue(sb.distance(6, 4, 7, 3) == 2);
+        assertTrue(sb.distance(6, 4, 6, 2) == 2);
+        assertTrue(sb.distance(6, 4, 5, 2) == 2);
+        assertTrue(sb.distance(6, 4, 4, 2) == 2);
+        assertTrue(sb.distance(6, 4, 4, 3) == 2);
+
+        assertTrue(sb.distance(6, 4, 9, 7) == 3);
+        assertTrue(sb.distance(6, 4, 10, 8) == 4);
+        assertTrue(sb.distance(6, 4, 6, 1) == 3);
+        assertTrue(sb.distance(6, 4, 9, 6) == 3);
+        assertTrue(sb.distance(6, 4, 9, 5) == 3);
+        assertTrue(sb.distance(6, 4, 10, 6) == 4);
+        assertTrue(sb.distance(6, 4, 3, 1) == 3);
+        assertTrue(sb.distance(6, 4, 2, 0) == 4);
+
+        assertTrue(sb.distance(6, 4, 9, 4) == 3);
+        assertTrue(sb.distance(6, 4, 8, 4) == 2);
+        assertTrue(sb.distance(6, 4, 9, 5) == 3);
+        assertTrue(sb.distance(6, 4, 10, 5) == 4);
+        assertTrue(sb.distance(6, 4, 10, 4) == 4);
+        assertTrue(sb.distance(6, 4, 9, 3) == 4);
+        assertTrue(sb.distance(6, 4, 8, 3) == 3);
+
+        assertTrue(sb.distance(6, 4, 8, 2) == 4);
+        assertTrue(sb.distance(6, 4, 7, 2) == 3);
+        assertTrue(sb.distance(6, 4, 8, 3) == 3);
+        assertTrue(sb.distance(6, 4, 9, 3) == 4);
+        assertTrue(sb.distance(6, 4, 9, 2) == 5);
+        assertTrue(sb.distance(6, 4, 8, 1) == 5);
+        assertTrue(sb.distance(6, 4, 7, 1) == 4);
+
+        assertTrue(sb.distance(6, 4, 2, 2) == 4);
+        assertTrue(sb.distance(6, 4, 1, 2) == 5);
+        assertTrue(sb.distance(6, 4, 2, 3) == 4);
+        assertTrue(sb.distance(6, 4, 3, 3) == 3);
+        assertTrue(sb.distance(6, 4, 3, 2) == 3);
+        assertTrue(sb.distance(6, 4, 2, 1) == 4);
+        assertTrue(sb.distance(6, 4, 1, 1) == 5);
+
+        assertTrue(sb.distance(6, 4, 5, 7) == 4);
+        assertTrue(sb.distance(6, 4, 4, 7) == 5);
+        assertTrue(sb.distance(6, 4, 5, 8) == 5);
+        assertTrue(sb.distance(6, 4, 6, 8) == 4);
+        assertTrue(sb.distance(6, 4, 6, 7) == 3);
+        assertTrue(sb.distance(6, 4, 5, 6) == 3);
+        assertTrue(sb.distance(6, 4, 4, 6) == 4);
+
+        assertTrue(sb.distance(6, 4, 8, 8) == 4);
+        assertTrue(sb.distance(6, 4, 7, 8) == 4);
+        assertTrue(sb.distance(6, 4, 1, 1) == 5);
+        assertTrue(sb.distance(6, 4, 7, 0) == 5);
+        assertTrue(sb.distance(6, 4, 9, 8) == 4);
+        assertTrue(sb.distance(6, 4, 8, 7) == 3);
+        assertTrue(sb.distance(6, 4, 7, 7) == 3);
+    }
+
+}
diff --git a/core/test/ch/asynk/rustanddust/Helpers.java b/core/test/ch/asynk/rustanddust/Helpers.java
new file mode 100644
index 0000000..818f1a0
--- /dev/null
+++ b/core/test/ch/asynk/rustanddust/Helpers.java
@@ -0,0 +1,144 @@
+package ch.asynk.rustanddust;
+
+import java.util.List;
+import java.util.ArrayList;
+import java.util.HashSet;
+
+import ch.asynk.rustanddust.engine.Pawn;
+import ch.asynk.rustanddust.engine.Tile;
+import ch.asynk.rustanddust.engine.Board;
+import ch.asynk.rustanddust.engine.Orientation;
+import ch.asynk.rustanddust.engine.SearchBoard;
+import ch.asynk.rustanddust.engine.PathBuilder;
+
+public class Helpers
+{
+    public static class FakePawn extends Pawn
+    {
+        private int mvt;
+        public FakePawn (int mvt)
+        {
+            this.mvt = mvt;
+        }
+
+        @Override public int getMovementPoints()                    { return mvt; }
+        @Override public int getRoadMarchBonus()                    { return 1; }
+        @Override public int getAngleOfAttack()                     { return 0; }
+        @Override public int getFlankSides()                        { return 0; }
+        @Override public int getDefense(Tile tile)                  { return 8; }
+        @Override public int getEngagementRangeFrom(Tile tile)      { return 3; }
+
+        @Override public boolean isA(PawnId id)                     { return true; }
+        @Override public boolean isA(PawnType type)                 { return true; }
+        @Override public boolean isHq()                             { return true; }
+        @Override public boolean isHqOf(Pawn other)                 { return true; }
+        @Override public boolean isUnit()                           { return true; }
+        @Override public boolean isHardTarget()                     { return true; }
+        @Override public boolean isEnemy(Pawn other)                { return true; }
+
+        @Override public boolean canMove()                          { return true; }
+        @Override public boolean canRotate()                        { return true; }
+        @Override public boolean canEngage()                        { return true; }
+        @Override public boolean canEngage(Pawn other)              { return true; }
+        @Override public boolean canAssistEngagementWithoutLos()    { return true; }
+
+        @Override public void move()                                { }
+        @Override public void engage()                              { }
+
+        @Override public void reset()                               { }
+        @Override public void revertLastMove()                      { }
+    }
+
+    public static class FakeTile extends Tile
+    {
+        public boolean offMap;
+
+        public FakeTile(int col, int row)
+        {
+            super(col, row);
+            offMap = false;
+        }
+
+        public FakeTile(int col, int row, boolean offMap)
+        {
+            super(col, row);
+            this.offMap = offMap;
+        }
+
+        @Override public boolean isOffMap()
+        {
+            return offMap;
+        }
+        @Override public int exitCost()                             { return 1; }
+        @Override public int costFrom(Pawn pawn, Orientation side)  { return 1; }
+        @Override public int defense()                              { return 0; }
+
+        @Override public boolean isA(TileTerrain terrain)           { return true; }
+        @Override public boolean road(Orientation side)             { return false; }
+        @Override public boolean atLeastOneMove(Pawn pawn)          { return true; }
+        @Override public boolean blockLineOfSightFrom(Tile from)    { return false; }
+    }
+
+    public static class FakeSearchBoard extends SearchBoard
+    {
+        public FakeSearchBoard(Board b, int cols, int rows)
+        {
+            super(b, cols, rows);
+        }
+
+        public int distance(int col0, int row0, int col1, int row1)
+        {
+            return distance(getNode(col0, row0), getNode(col1, row1));
+        }
+    }
+
+    public static class FakeBoard extends Board
+    {
+        public FakePawn pawn;
+        public FakeTile fakeTiles[];
+        public PathBuilder pathBuilder;
+
+        public FakeBoard(int cols, int rows, int mvt)
+        {
+            super(cols, rows);
+            fakeTiles = new FakeTile[(cols + 2) * (rows + 2)];
+
+            int idx = 0;
+            for (int i = -1; i < (rows + 1); i++) {
+                for ( int j = -1; j < (cols + 1); j ++) {
+                    boolean offmap = ((j < 0) || (i < 0) || (j >= cols) || (i >= rows));
+                    fakeTiles[idx] = new FakeTile((j + ((i + 1) / 2)), i, offmap);
+                    idx += 1;
+                }
+            }
+
+            fakeTiles[ 36 - 2].offMap = true;
+            fakeTiles[ 60 - 2].offMap = true;
+            fakeTiles[ 84 - 2].offMap = true;
+            fakeTiles[108 - 2].offMap = true;
+
+            pawn = new FakePawn(mvt);
+            pathBuilder = new PathBuilder(this, 10, 20, 5, 10);
+        }
+
+        @Override
+        public Tile getTile(int col, int row)
+        {
+            int i = getTileOffset(col, row);
+            if (i < 0)
+                return null;
+            return fakeTiles[i];
+        }
+
+        public int buildPathBuilder(int x0, int y0, int x1, int y1)
+        {
+            pathBuilder.init(pawn, getTile(x0, y0));
+            return pathBuilder.build(getTile(x1, y1));
+        }
+
+        public int togglePoint(int x, int y)
+        {
+            return pathBuilder.toggleCtrlTile(getTile(x, y));
+        }
+    }
+}
diff --git a/core/test/ch/asynk/rustanddust/LineOfSightTest.java b/core/test/ch/asynk/rustanddust/LineOfSightTest.java
new file mode 100644
index 0000000..60b95ab
--- /dev/null
+++ b/core/test/ch/asynk/rustanddust/LineOfSightTest.java
@@ -0,0 +1,1421 @@
+package ch.asynk.rustanddust;
+
+import java.util.List;
+
+import org.junit.Test;
+import org.junit.Before;
+
+import ch.asynk.rustanddust.engine.SearchBoard;
+import ch.asynk.rustanddust.engine.SearchBoard.Node;
+
+import static org.junit.Assert.assertTrue;
+
+public class LineOfSightTest
+{
+    private SearchBoard sb;
+
+    @Before
+    public void initialize()
+    {
+        int cols = 10;
+        int rows = 9;
+        Helpers.FakeBoard fakeBoard = new Helpers.FakeBoard(cols, rows, 0);
+        sb = new SearchBoard(fakeBoard, cols, rows);
+    }
+
+    private void checkNode(List<Node> l, int i, int col, int row)
+    {
+        Node n = l.get(i);
+        assertTrue(n.col == col);
+        assertTrue(n.row == row);
+    }
+
+    private List<Node> lineOfSight(int x0, int y0, int x1, int y1)
+    {
+        return sb.lineOfSight(x0, y0, x1, y1, true);
+    }
+
+    // from bottom left
+    @Test public void test_1() {
+        List<Node> s = lineOfSight(0, 0, 2, 1);
+        assertTrue(s.size() == 4);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 1, 1);
+        checkNode(s, 3, 2, 1);
+    }
+
+    @Test public void test_2() {
+        List<Node> s = lineOfSight(0, 0, 5, 1);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 2, 0);
+        checkNode(s, 3, 3, 1);
+        checkNode(s, 4, 4, 1);
+        checkNode(s, 5, 5, 1);
+    }
+
+    @Test public void test_3() {
+        List<Node> s = lineOfSight(0, 0, 8, 1);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 2, 0);
+        checkNode(s, 3, 3, 0);
+        checkNode(s, 4, 4, 1);
+        checkNode(s, 5, 4, 0);
+        checkNode(s, 6, 5, 1);
+        checkNode(s, 7, 6, 1);
+        checkNode(s, 8, 7, 1);
+        checkNode(s, 9, 8, 1);
+    }
+
+    @Test public void test_4() {
+        List<Node> s = lineOfSight(0, 0, 1, 2);
+        assertTrue(s.size() == 3);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 1, 2);
+    }
+
+    @Test public void test_5() {
+        List<Node> s = lineOfSight(0, 0, 4, 2);
+        assertTrue(s.size() == 7);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 1, 1);
+        checkNode(s, 3, 2, 1);
+        checkNode(s, 4, 3, 1);
+        checkNode(s, 5, 3, 2);
+        checkNode(s, 6, 4, 2);
+    }
+
+    @Test public void test_6() {
+        List<Node> s = lineOfSight(0, 0, 7, 2);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 2, 1);
+        checkNode(s, 3, 3, 1);
+        checkNode(s, 4, 4, 1);
+        checkNode(s, 5, 5, 1);
+        checkNode(s, 6, 6, 2);
+        checkNode(s, 7, 7, 2);
+    }
+
+    @Test public void test_7() {
+        List<Node> s = lineOfSight(0, 0, 10, 2);
+        assertTrue(s.size() == 11);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 2, 0);
+        checkNode(s, 3, 3, 1);
+        checkNode(s, 4, 4, 1);
+        checkNode(s, 5, 5, 1);
+        checkNode(s, 6, 6, 1);
+        checkNode(s, 7, 7, 1);
+        checkNode(s, 8, 8, 2);
+        checkNode(s, 9, 9, 2);
+        checkNode(s, 10, 10, 2);
+    }
+
+    @Test public void test_8() {
+        List<Node> s = lineOfSight(0, 0, 6, 3);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 1, 1);
+        checkNode(s, 3, 2, 1);
+        checkNode(s, 4, 3, 1);
+        checkNode(s, 5, 3, 2);
+        checkNode(s, 6, 4, 2);
+        checkNode(s, 7, 5, 2);
+        checkNode(s, 8, 5, 3);
+        checkNode(s, 9, 6, 3);
+    }
+
+    @Test public void test_9() {
+        List<Node> s = lineOfSight(0, 0, 2, 4);
+        assertTrue(s.size() == 5);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 1, 2);
+        checkNode(s, 3, 2, 3);
+        checkNode(s, 4, 2, 4);
+    }
+
+    @Test public void test_10() {
+        List<Node> s = lineOfSight(0, 0, 5, 4);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 2, 2);
+        checkNode(s, 3, 3, 2);
+        checkNode(s, 4, 4, 3);
+        checkNode(s, 5, 5, 4);
+    }
+
+    @Test public void test_11() {
+        List<Node> s = lineOfSight(0, 0, 8, 4);
+        assertTrue(s.size() == 13);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 1, 1);
+        checkNode(s, 3, 2, 1);
+        checkNode(s, 4, 3, 1);
+        checkNode(s, 5, 3, 2);
+        checkNode(s, 6, 4, 2);
+        checkNode(s, 7, 5, 2);
+        checkNode(s, 8, 5, 3);
+        checkNode(s, 9, 6, 3);
+        checkNode(s, 10, 7, 3);
+        checkNode(s, 11, 7, 4);
+        checkNode(s, 12, 8, 4);
+    }
+
+    @Test public void test_12() {
+        List<Node> s = lineOfSight(0, 0, 11, 4);
+        assertTrue(s.size() == 12);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 2, 1);
+        checkNode(s, 3, 3, 1);
+        checkNode(s, 4, 4, 1);
+        checkNode(s, 5, 5, 2);
+        checkNode(s, 6, 6, 2);
+        checkNode(s, 7, 7, 3);
+        checkNode(s, 8, 8, 3);
+        checkNode(s, 9, 9, 3);
+        checkNode(s, 10, 10, 4);
+        checkNode(s, 11, 11, 4);
+    }
+
+    @Test public void test_13() {
+        List<Node> s = lineOfSight(0, 0, 4, 5);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 2, 2);
+        checkNode(s, 3, 2, 3);
+        checkNode(s, 4, 3, 4);
+        checkNode(s, 5, 4, 5);
+    }
+
+    @Test public void test_14() {
+        List<Node> s = lineOfSight(0, 0, 7, 5);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 2, 1);
+        checkNode(s, 3, 3, 2);
+        checkNode(s, 4, 4, 3);
+        checkNode(s, 5, 5, 4);
+        checkNode(s, 6, 6, 4);
+        checkNode(s, 7, 7, 5);
+    }
+
+    @Test public void test_15() {
+        List<Node> s = lineOfSight(0, 0, 10, 5);
+        assertTrue(s.size() == 16);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 1, 1);
+        checkNode(s, 3, 2, 1);
+        checkNode(s, 4, 3, 1);
+        checkNode(s, 5, 3, 2);
+        checkNode(s, 6, 4, 2);
+        checkNode(s, 7, 5, 2);
+        checkNode(s, 8, 5, 3);
+        checkNode(s, 9, 6, 3);
+        checkNode(s, 10, 7, 3);
+        checkNode(s, 11, 7, 4);
+        checkNode(s, 12, 8, 4);
+        checkNode(s, 13, 9, 4);
+        checkNode(s, 14, 9, 5);
+        checkNode(s, 15, 10, 5);
+    }
+
+    @Test public void test_16() {
+        List<Node> s = lineOfSight(0, 0, 3, 6);
+        assertTrue(s.size() == 7);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 1, 2);
+        checkNode(s, 3, 2, 3);
+        checkNode(s, 4, 2, 4);
+        checkNode(s, 5, 3, 5);
+        checkNode(s, 6, 3, 6);
+    }
+
+    @Test public void test_17() {
+        List<Node> s = lineOfSight(0, 0, 12, 6);
+        assertTrue(s.size() == 19);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 0);
+        checkNode(s, 2, 1, 1);
+        checkNode(s, 3, 2, 1);
+        checkNode(s, 4, 3, 1);
+        checkNode(s, 5, 3, 2);
+        checkNode(s, 6, 4, 2);
+        checkNode(s, 7, 5, 2);
+        checkNode(s, 8, 5, 3);
+        checkNode(s, 9, 6, 3);
+        checkNode(s, 10, 7, 3);
+        checkNode(s, 11, 7, 4);
+        checkNode(s, 12, 8, 4);
+        checkNode(s, 13, 9, 4);
+        checkNode(s, 14, 9, 5);
+        checkNode(s, 15, 10, 5);
+        checkNode(s, 16, 11, 5);
+        checkNode(s, 17, 11, 6);
+        checkNode(s, 18, 12, 6);
+    }
+
+    @Test public void test_18() {
+        List<Node> s = lineOfSight(0, 0, 5, 7);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 1, 2);
+        checkNode(s, 3, 2, 3);
+        checkNode(s, 4, 3, 4);
+        checkNode(s, 5, 4, 5);
+        checkNode(s, 6, 4, 6);
+        checkNode(s, 7, 5, 7);
+    }
+
+    @Test public void test_19() {
+        List<Node> s = lineOfSight(0, 0, 8, 7);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 2, 2);
+        checkNode(s, 3, 3, 3);
+        checkNode(s, 4, 4, 3);
+        checkNode(s, 5, 4, 4);
+        checkNode(s, 6, 5, 4);
+        checkNode(s, 7, 6, 5);
+        checkNode(s, 8, 7, 6);
+        checkNode(s, 9, 8, 7);
+    }
+
+    @Test public void test_20() {
+        List<Node> s = lineOfSight(0, 0, 11, 7);
+        assertTrue(s.size() == 12);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 2, 1);
+        checkNode(s, 3, 3, 2);
+        checkNode(s, 4, 4, 3);
+        checkNode(s, 5, 5, 3);
+        checkNode(s, 6, 6, 4);
+        checkNode(s, 7, 7, 4);
+        checkNode(s, 8, 8, 5);
+        checkNode(s, 9, 9, 6);
+        checkNode(s, 10, 10, 6);
+        checkNode(s, 11, 11, 7);
+    }
+
+    @Test public void test_21() {
+        List<Node> s = lineOfSight(0, 0, 4, 8);
+        assertTrue(s.size() == 9);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 1, 2);
+        checkNode(s, 3, 2, 3);
+        checkNode(s, 4, 2, 4);
+        checkNode(s, 5, 3, 5);
+        checkNode(s, 6, 3, 6);
+        checkNode(s, 7, 4, 7);
+        checkNode(s, 8, 4, 8);
+    }
+
+    @Test public void test_22() {
+        List<Node> s = lineOfSight(0, 0, 7, 8);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 2, 2);
+        checkNode(s, 3, 3, 3);
+        checkNode(s, 4, 3, 4);
+        checkNode(s, 5, 4, 4);
+        checkNode(s, 6, 4, 5);
+        checkNode(s, 7, 5, 6);
+        checkNode(s, 8, 6, 7);
+        checkNode(s, 9, 7, 8);
+    }
+
+    @Test public void test_23() {
+        List<Node> s = lineOfSight(0, 0, 10, 8);
+        assertTrue(s.size() == 11);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 2, 2);
+        checkNode(s, 3, 3, 2);
+        checkNode(s, 4, 4, 3);
+        checkNode(s, 5, 5, 4);
+        checkNode(s, 6, 6, 5);
+        checkNode(s, 7, 7, 6);
+        checkNode(s, 8, 8, 6);
+        checkNode(s, 9, 9, 7);
+        checkNode(s, 10, 10, 8);
+    }
+
+    @Test public void test_24() {
+        List<Node> s = lineOfSight(0, 0, 13, 8);
+        assertTrue(s.size() == 14);
+        checkNode(s, 0, 0, 0);
+        checkNode(s, 1, 1, 1);
+        checkNode(s, 2, 2, 1);
+        checkNode(s, 3, 3, 2);
+        checkNode(s, 4, 4, 2);
+        checkNode(s, 5, 5, 3);
+        checkNode(s, 6, 6, 4);
+        checkNode(s, 7, 7, 4);
+        checkNode(s, 8, 8, 5);
+        checkNode(s, 9, 9, 6);
+        checkNode(s, 10, 10, 6);
+        checkNode(s, 11, 11, 7);
+        checkNode(s, 12, 12, 7);
+        checkNode(s, 13, 13, 8);
+    }
+
+    // from top right
+    @Test public void test_25() {
+        List<Node> s = lineOfSight(13, 8, 11, 7);
+        assertTrue(s.size() == 4);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 12, 7);
+        checkNode(s, 3, 11, 7);
+    }
+
+    @Test public void test_26() {
+        List<Node> s = lineOfSight(13, 8, 8, 7);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 11, 8);
+        checkNode(s, 3, 10, 7);
+        checkNode(s, 4, 9, 7);
+        checkNode(s, 5, 8, 7);
+    }
+
+    @Test public void test_27() {
+        List<Node> s = lineOfSight(13, 8, 5, 7);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 11, 8);
+        checkNode(s, 3, 10, 8);
+        checkNode(s, 4, 9, 7);
+        checkNode(s, 5, 9, 8);
+        checkNode(s, 6, 8, 7);
+        checkNode(s, 7, 7, 7);
+        checkNode(s, 8, 6, 7);
+        checkNode(s, 9, 5, 7);
+    }
+
+    @Test public void test_28() {
+        List<Node> s = lineOfSight(13, 8, 12, 6);
+        assertTrue(s.size() == 3);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 12, 6);
+    }
+
+    @Test public void test_29() {
+        List<Node> s = lineOfSight(13, 8, 9, 6);
+        assertTrue(s.size() == 7);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 12, 7);
+        checkNode(s, 3, 11, 7);
+        checkNode(s, 4, 10, 7);
+        checkNode(s, 5, 10, 6);
+        checkNode(s, 6, 9, 6);
+    }
+
+    @Test public void test_30() {
+        List<Node> s = lineOfSight(13, 8, 6, 6);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 11, 7);
+        checkNode(s, 3, 10, 7);
+        checkNode(s, 4, 9, 7);
+        checkNode(s, 5, 8, 7);
+        checkNode(s, 6, 7, 6);
+        checkNode(s, 7, 6, 6);
+    }
+
+    @Test public void test_31() {
+        List<Node> s = lineOfSight(13, 8, 3, 6);
+        assertTrue(s.size() == 11);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 11, 8);
+        checkNode(s, 3, 10, 7);
+        checkNode(s, 4, 9, 7);
+        checkNode(s, 5, 8, 7);
+        checkNode(s, 6, 7, 7);
+        checkNode(s, 7, 6, 7);
+        checkNode(s, 8, 5, 6);
+        checkNode(s, 9, 4, 6);
+        checkNode(s, 10, 3, 6);
+    }
+
+    @Test public void test_32() {
+        List<Node> s = lineOfSight(13, 8, 7, 5);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 12, 7);
+        checkNode(s, 3, 11, 7);
+        checkNode(s, 4, 10, 7);
+        checkNode(s, 5, 10, 6);
+        checkNode(s, 6, 9, 6);
+        checkNode(s, 7, 8, 6);
+        checkNode(s, 8, 8, 5);
+        checkNode(s, 9, 7, 5);
+    }
+
+    @Test public void test_33() {
+        List<Node> s = lineOfSight(13, 8, 11, 4);
+        assertTrue(s.size() == 5);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 12, 6);
+        checkNode(s, 3, 11, 5);
+        checkNode(s, 4, 11, 4);
+    }
+
+    @Test public void test_34() {
+        List<Node> s = lineOfSight(13, 8, 8, 4);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 11, 6);
+        checkNode(s, 3, 10, 6);
+        checkNode(s, 4, 9, 5);
+        checkNode(s, 5, 8, 4);
+    }
+
+    @Test public void test_35() {
+        List<Node> s = lineOfSight(13, 8, 5, 4);
+        assertTrue(s.size() == 13);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 12, 7);
+        checkNode(s, 3, 11, 7);
+        checkNode(s, 4, 10, 7);
+        checkNode(s, 5, 10, 6);
+        checkNode(s, 6, 9, 6);
+        checkNode(s, 7, 8, 6);
+        checkNode(s, 8, 8, 5);
+        checkNode(s, 9, 7, 5);
+        checkNode(s, 10, 6, 5);
+        checkNode(s, 11, 6, 4);
+        checkNode(s, 12, 5, 4);
+    }
+
+    @Test public void test_36() {
+        List<Node> s = lineOfSight(13, 8, 2, 4);
+        assertTrue(s.size() == 12);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 11, 7);
+        checkNode(s, 3, 10, 7);
+        checkNode(s, 4, 9, 7);
+        checkNode(s, 5, 8, 6);
+        checkNode(s, 6, 7, 6);
+        checkNode(s, 7, 6, 5);
+        checkNode(s, 8, 5, 5);
+        checkNode(s, 9, 4, 5);
+        checkNode(s, 10, 3, 4);
+        checkNode(s, 11, 2, 4);
+    }
+
+    @Test public void test_37() {
+        List<Node> s = lineOfSight(13, 8, 9, 3);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 11, 6);
+        checkNode(s, 3, 11, 5);
+        checkNode(s, 4, 10, 4);
+        checkNode(s, 5, 9, 3);
+    }
+
+    @Test public void test_38() {
+        List<Node> s = lineOfSight(13, 8, 6, 3);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 11, 7);
+        checkNode(s, 3, 10, 6);
+        checkNode(s, 4, 9, 5);
+        checkNode(s, 5, 8, 4);
+        checkNode(s, 6, 7, 4);
+        checkNode(s, 7, 6, 3);
+    }
+
+    @Test public void test_39() {
+        List<Node> s = lineOfSight(13, 8, 3, 3);
+        assertTrue(s.size() == 16);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 12, 7);
+        checkNode(s, 3, 11, 7);
+        checkNode(s, 4, 10, 7);
+        checkNode(s, 5, 10, 6);
+        checkNode(s, 6, 9, 6);
+        checkNode(s, 7, 8, 6);
+        checkNode(s, 8, 8, 5);
+        checkNode(s, 9, 7, 5);
+        checkNode(s, 10, 6, 5);
+        checkNode(s, 11, 6, 4);
+        checkNode(s, 12, 5, 4);
+        checkNode(s, 13, 4, 4);
+        checkNode(s, 14, 4, 3);
+        checkNode(s, 15, 3, 3);
+    }
+
+    @Test public void test_40() {
+        List<Node> s = lineOfSight(13, 8, 10, 2);
+        assertTrue(s.size() == 7);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 12, 6);
+        checkNode(s, 3, 11, 5);
+        checkNode(s, 4, 11, 4);
+        checkNode(s, 5, 10, 3);
+        checkNode(s, 6, 10, 2);
+    }
+
+    @Test public void test_41() {
+        List<Node> s = lineOfSight(13, 8, 1, 2);
+        assertTrue(s.size() == 19);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 8);
+        checkNode(s, 2, 12, 7);
+        checkNode(s, 3, 11, 7);
+        checkNode(s, 4, 10, 7);
+        checkNode(s, 5, 10, 6);
+        checkNode(s, 6, 9, 6);
+        checkNode(s, 7, 8, 6);
+        checkNode(s, 8, 8, 5);
+        checkNode(s, 9, 7, 5);
+        checkNode(s, 10, 6, 5);
+        checkNode(s, 11, 6, 4);
+        checkNode(s, 12, 5, 4);
+        checkNode(s, 13, 4, 4);
+        checkNode(s, 14, 4, 3);
+        checkNode(s, 15, 3, 3);
+        checkNode(s, 16, 2, 3);
+        checkNode(s, 17, 2, 2);
+        checkNode(s, 18, 1, 2);
+    }
+
+    @Test public void test_42() {
+        List<Node> s = lineOfSight(13, 8, 8, 1);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 12, 6);
+        checkNode(s, 3, 11, 5);
+        checkNode(s, 4, 10, 4);
+        checkNode(s, 5, 9, 3);
+        checkNode(s, 6, 9, 2);
+        checkNode(s, 7, 8, 1);
+    }
+
+    @Test public void test_43() {
+        List<Node> s = lineOfSight(13, 8, 5, 1);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 11, 6);
+        checkNode(s, 3, 10, 5);
+        checkNode(s, 4, 9, 5);
+        checkNode(s, 5, 9, 4);
+        checkNode(s, 6, 8, 4);
+        checkNode(s, 7, 7, 3);
+        checkNode(s, 8, 6, 2);
+        checkNode(s, 9, 5, 1);
+    }
+
+    @Test public void test_44() {
+        List<Node> s = lineOfSight(13, 8, 2, 1);
+        assertTrue(s.size() == 12);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 11, 7);
+        checkNode(s, 3, 10, 6);
+        checkNode(s, 4, 9, 5);
+        checkNode(s, 5, 8, 5);
+        checkNode(s, 6, 7, 4);
+        checkNode(s, 7, 6, 4);
+        checkNode(s, 8, 5, 3);
+        checkNode(s, 9, 4, 2);
+        checkNode(s, 10, 3, 2);
+        checkNode(s, 11, 2, 1);
+    }
+
+    @Test public void test_45() {
+        List<Node> s = lineOfSight(13, 8, 9, 0);
+        assertTrue(s.size() == 9);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 12, 6);
+        checkNode(s, 3, 11, 5);
+        checkNode(s, 4, 11, 4);
+        checkNode(s, 5, 10, 3);
+        checkNode(s, 6, 10, 2);
+        checkNode(s, 7, 9, 1);
+        checkNode(s, 8, 9, 0);
+    }
+
+    @Test public void test_46() {
+        List<Node> s = lineOfSight(13, 8, 6, 0);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 11, 6);
+        checkNode(s, 3, 10, 5);
+        checkNode(s, 4, 10, 4);
+        checkNode(s, 5, 9, 4);
+        checkNode(s, 6, 9, 3);
+        checkNode(s, 7, 8, 2);
+        checkNode(s, 8, 7, 1);
+        checkNode(s, 9, 6, 0);
+    }
+
+    @Test public void test_47() {
+        List<Node> s = lineOfSight(13, 8, 3, 0);
+        assertTrue(s.size() == 11);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 11, 6);
+        checkNode(s, 3, 10, 6);
+        checkNode(s, 4, 9, 5);
+        checkNode(s, 5, 8, 4);
+        checkNode(s, 6, 7, 3);
+        checkNode(s, 7, 6, 2);
+        checkNode(s, 8, 5, 2);
+        checkNode(s, 9, 4, 1);
+        checkNode(s, 10, 3, 0);
+    }
+
+    @Test public void test_48() {
+        List<Node> s = lineOfSight(13, 8, 0, 0);
+        assertTrue(s.size() == 14);
+        checkNode(s, 0, 13, 8);
+        checkNode(s, 1, 12, 7);
+        checkNode(s, 2, 11, 7);
+        checkNode(s, 3, 10, 6);
+        checkNode(s, 4, 9, 6);
+        checkNode(s, 5, 8, 5);
+        checkNode(s, 6, 7, 4);
+        checkNode(s, 7, 6, 4);
+        checkNode(s, 8, 5, 3);
+        checkNode(s, 9, 4, 2);
+        checkNode(s, 10, 3, 2);
+        checkNode(s, 11, 2, 1);
+        checkNode(s, 12, 1, 1);
+        checkNode(s, 13, 0, 0);
+    }
+
+    // from top left
+    @Test public void test_49() {
+        List<Node> s = lineOfSight(4, 8, 5, 7);
+        assertTrue(s.size() == 4);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 4, 7);
+        checkNode(s, 3, 5, 7);
+    }
+
+    @Test public void test_50() {
+        List<Node> s = lineOfSight(4, 8, 8, 7);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 6, 8);
+        checkNode(s, 3, 6, 7);
+        checkNode(s, 4, 7, 7);
+        checkNode(s, 5, 8, 7);
+    }
+
+    @Test public void test_51() {
+        List<Node> s = lineOfSight(4, 8, 11, 7);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 6, 8);
+        checkNode(s, 3, 7, 8);
+        checkNode(s, 4, 7, 7);
+        checkNode(s, 5, 8, 8);
+        checkNode(s, 6, 8, 7);
+        checkNode(s, 7, 9, 7);
+        checkNode(s, 8, 10, 7);
+        checkNode(s, 9, 11, 7);
+    }
+
+    @Test public void test_52() {
+        List<Node> s = lineOfSight(4, 8, 3, 6);
+        assertTrue(s.size() == 3);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 3, 6);
+    }
+
+    @Test public void test_53() {
+        List<Node> s = lineOfSight(4, 8, 6, 6);
+        assertTrue(s.size() == 7);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 4, 7);
+        checkNode(s, 3, 5, 7);
+        checkNode(s, 4, 6, 7);
+        checkNode(s, 5, 5, 6);
+        checkNode(s, 6, 6, 6);
+    }
+
+    @Test public void test_54() {
+        List<Node> s = lineOfSight(4, 8, 9, 6);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 5, 7);
+        checkNode(s, 3, 6, 7);
+        checkNode(s, 4, 7, 7);
+        checkNode(s, 5, 8, 7);
+        checkNode(s, 6, 8, 6);
+        checkNode(s, 7, 9, 6);
+    }
+
+    @Test public void test_55() {
+        List<Node> s = lineOfSight(4, 8, 12, 6);
+        assertTrue(s.size() == 11);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 6, 8);
+        checkNode(s, 3, 6, 7);
+        checkNode(s, 4, 7, 7);
+        checkNode(s, 5, 8, 7);
+        checkNode(s, 6, 9, 7);
+        checkNode(s, 7, 10, 7);
+        checkNode(s, 8, 10, 6);
+        checkNode(s, 9, 11, 6);
+        checkNode(s, 10, 12, 6);
+    }
+
+    @Test public void test_56() {
+        List<Node> s = lineOfSight(4, 8, 7, 5);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 4, 7);
+        checkNode(s, 3, 5, 7);
+        checkNode(s, 4, 6, 7);
+        checkNode(s, 5, 5, 6);
+        checkNode(s, 6, 6, 6);
+        checkNode(s, 7, 7, 6);
+        checkNode(s, 8, 6, 5);
+        checkNode(s, 9, 7, 5);
+    }
+
+    @Test public void test_57() {
+        List<Node> s = lineOfSight(4, 8, 2, 4);
+        assertTrue(s.size() == 5);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 3, 6);
+        checkNode(s, 3, 3, 5);
+        checkNode(s, 4, 2, 4);
+    }
+
+    @Test public void test_58() {
+        List<Node> s = lineOfSight(4, 8, 5, 4);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 4, 6);
+        checkNode(s, 3, 5, 6);
+        checkNode(s, 4, 5, 5);
+        checkNode(s, 5, 5, 4);
+    }
+
+    @Test public void test_59() {
+        List<Node> s = lineOfSight(4, 8, 8, 4);
+        assertTrue(s.size() == 13);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 4, 7);
+        checkNode(s, 3, 5, 7);
+        checkNode(s, 4, 6, 7);
+        checkNode(s, 5, 5, 6);
+        checkNode(s, 6, 6, 6);
+        checkNode(s, 7, 7, 6);
+        checkNode(s, 8, 6, 5);
+        checkNode(s, 9, 7, 5);
+        checkNode(s, 10, 8, 5);
+        checkNode(s, 11, 7, 4);
+        checkNode(s, 12, 8, 4);
+    }
+
+    @Test public void test_60() {
+        List<Node> s = lineOfSight(4, 8, 11, 4);
+        assertTrue(s.size() == 12);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 5, 7);
+        checkNode(s, 3, 6, 7);
+        checkNode(s, 4, 7, 7);
+        checkNode(s, 5, 7, 6);
+        checkNode(s, 6, 8, 6);
+        checkNode(s, 7, 8, 5);
+        checkNode(s, 8, 9, 5);
+        checkNode(s, 9, 10, 5);
+        checkNode(s, 10, 10, 4);
+        checkNode(s, 11, 11, 4);
+    }
+
+    @Test public void test_61() {
+        List<Node> s = lineOfSight(4, 8, 3, 3);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 4, 6);
+        checkNode(s, 3, 3, 5);
+        checkNode(s, 4, 3, 4);
+        checkNode(s, 5, 3, 3);
+    }
+
+    @Test public void test_62() {
+        List<Node> s = lineOfSight(4, 8, 6, 3);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 5, 7);
+        checkNode(s, 3, 5, 6);
+        checkNode(s, 4, 5, 5);
+        checkNode(s, 5, 5, 4);
+        checkNode(s, 6, 6, 4);
+        checkNode(s, 7, 6, 3);
+    }
+
+    @Test public void test_63() {
+        List<Node> s = lineOfSight(4, 8, 9, 3);
+        assertTrue(s.size() == 16);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 4, 7);
+        checkNode(s, 3, 5, 7);
+        checkNode(s, 4, 6, 7);
+        checkNode(s, 5, 5, 6);
+        checkNode(s, 6, 6, 6);
+        checkNode(s, 7, 7, 6);
+        checkNode(s, 8, 6, 5);
+        checkNode(s, 9, 7, 5);
+        checkNode(s, 10, 8, 5);
+        checkNode(s, 11, 7, 4);
+        checkNode(s, 12, 8, 4);
+        checkNode(s, 13, 9, 4);
+        checkNode(s, 14, 8, 3);
+        checkNode(s, 15, 9, 3);
+    }
+
+    @Test public void test_64() {
+        List<Node> s = lineOfSight(4, 8, 1, 2);
+        assertTrue(s.size() == 7);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 3, 6);
+        checkNode(s, 3, 3, 5);
+        checkNode(s, 4, 2, 4);
+        checkNode(s, 5, 2, 3);
+        checkNode(s, 6, 1, 2);
+    }
+
+    @Test public void test_65() {
+        List<Node> s = lineOfSight(4, 8, 10, 2);
+        assertTrue(s.size() == 19);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 5, 8);
+        checkNode(s, 2, 4, 7);
+        checkNode(s, 3, 5, 7);
+        checkNode(s, 4, 6, 7);
+        checkNode(s, 5, 5, 6);
+        checkNode(s, 6, 6, 6);
+        checkNode(s, 7, 7, 6);
+        checkNode(s, 8, 6, 5);
+        checkNode(s, 9, 7, 5);
+        checkNode(s, 10, 8, 5);
+        checkNode(s, 11, 7, 4);
+        checkNode(s, 12, 8, 4);
+        checkNode(s, 13, 9, 4);
+        checkNode(s, 14, 8, 3);
+        checkNode(s, 15, 9, 3);
+        checkNode(s, 16, 10, 3);
+        checkNode(s, 17, 9, 2);
+        checkNode(s, 18, 10, 2);
+    }
+
+    @Test public void test_66() {
+        List<Node> s = lineOfSight(4, 8, 2, 1);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 3, 6);
+        checkNode(s, 3, 3, 5);
+        checkNode(s, 4, 3, 4);
+        checkNode(s, 5, 3, 3);
+        checkNode(s, 6, 2, 2);
+        checkNode(s, 7, 2, 1);
+    }
+
+    @Test public void test_67() {
+        List<Node> s = lineOfSight(4, 8, 5, 1);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 4, 6);
+        checkNode(s, 3, 4, 5);
+        checkNode(s, 4, 5, 5);
+        checkNode(s, 5, 4, 4);
+        checkNode(s, 6, 5, 4);
+        checkNode(s, 7, 5, 3);
+        checkNode(s, 8, 5, 2);
+        checkNode(s, 9, 5, 1);
+    }
+
+    @Test public void test_68() {
+        List<Node> s = lineOfSight(4, 8, 8, 1);
+        assertTrue(s.size() == 12);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 5, 7);
+        checkNode(s, 3, 5, 6);
+        checkNode(s, 4, 5, 5);
+        checkNode(s, 5, 6, 5);
+        checkNode(s, 6, 6, 4);
+        checkNode(s, 7, 7, 4);
+        checkNode(s, 8, 7, 3);
+        checkNode(s, 9, 7, 2);
+        checkNode(s, 10, 8, 2);
+        checkNode(s, 11, 8, 1);
+    }
+
+    @Test public void test_69() {
+        List<Node> s = lineOfSight(4, 8, 0, 0);
+        assertTrue(s.size() == 9);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 3, 6);
+        checkNode(s, 3, 3, 5);
+        checkNode(s, 4, 2, 4);
+        checkNode(s, 5, 2, 3);
+        checkNode(s, 6, 1, 2);
+        checkNode(s, 7, 1, 1);
+        checkNode(s, 8, 0, 0);
+    }
+
+    @Test public void test_70() {
+        List<Node> s = lineOfSight(4, 8, 3, 0);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 4, 6);
+        checkNode(s, 3, 4, 5);
+        checkNode(s, 4, 3, 4);
+        checkNode(s, 5, 4, 4);
+        checkNode(s, 6, 3, 3);
+        checkNode(s, 7, 3, 2);
+        checkNode(s, 8, 3, 1);
+        checkNode(s, 9, 3, 0);
+    }
+
+    @Test public void test_71() {
+        List<Node> s = lineOfSight(4, 8, 6, 0);
+        assertTrue(s.size() == 11);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 4, 6);
+        checkNode(s, 3, 5, 6);
+        checkNode(s, 4, 5, 5);
+        checkNode(s, 5, 5, 4);
+        checkNode(s, 6, 5, 3);
+        checkNode(s, 7, 5, 2);
+        checkNode(s, 8, 6, 2);
+        checkNode(s, 9, 6, 1);
+        checkNode(s, 10, 6, 0);
+    }
+
+    @Test public void test_72() {
+        List<Node> s = lineOfSight(4, 8, 9, 0);
+        assertTrue(s.size() == 14);
+        checkNode(s, 0, 4, 8);
+        checkNode(s, 1, 4, 7);
+        checkNode(s, 2, 5, 7);
+        checkNode(s, 3, 5, 6);
+        checkNode(s, 4, 6, 6);
+        checkNode(s, 5, 6, 5);
+        checkNode(s, 6, 6, 4);
+        checkNode(s, 7, 7, 4);
+        checkNode(s, 8, 7, 3);
+        checkNode(s, 9, 7, 2);
+        checkNode(s, 10, 8, 2);
+        checkNode(s, 11, 8, 1);
+        checkNode(s, 12, 9, 1);
+        checkNode(s, 13, 9, 0);
+    }
+
+    // from bottom right
+    @Test public void test_73() {
+        List<Node> s = lineOfSight(9, 0, 8, 1);
+        assertTrue(s.size() == 4);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 9, 1);
+        checkNode(s, 3, 8, 1);
+    }
+
+    @Test public void test_74() {
+        List<Node> s = lineOfSight(9, 0, 5, 1);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 7, 0);
+        checkNode(s, 3, 7, 1);
+        checkNode(s, 4, 6, 1);
+        checkNode(s, 5, 5, 1);
+    }
+
+    @Test public void test_75() {
+        List<Node> s = lineOfSight(9, 0, 2, 1);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 7, 0);
+        checkNode(s, 3, 6, 0);
+        checkNode(s, 4, 6, 1);
+        checkNode(s, 5, 5, 0);
+        checkNode(s, 6, 5, 1);
+        checkNode(s, 7, 4, 1);
+        checkNode(s, 8, 3, 1);
+        checkNode(s, 9, 2, 1);
+    }
+
+    @Test public void test_76() {
+        List<Node> s = lineOfSight(9, 0, 10, 2);
+        assertTrue(s.size() == 3);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 10, 2);
+    }
+
+    @Test public void test_77() {
+        List<Node> s = lineOfSight(9, 0, 7, 2);
+        assertTrue(s.size() == 7);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 9, 1);
+        checkNode(s, 3, 8, 1);
+        checkNode(s, 4, 7, 1);
+        checkNode(s, 5, 8, 2);
+        checkNode(s, 6, 7, 2);
+    }
+
+    @Test public void test_78() {
+        List<Node> s = lineOfSight(9, 0, 4, 2);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 8, 1);
+        checkNode(s, 3, 7, 1);
+        checkNode(s, 4, 6, 1);
+        checkNode(s, 5, 5, 1);
+        checkNode(s, 6, 5, 2);
+        checkNode(s, 7, 4, 2);
+    }
+
+    @Test public void test_79() {
+        List<Node> s = lineOfSight(9, 0, 1, 2);
+        assertTrue(s.size() == 11);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 7, 0);
+        checkNode(s, 3, 7, 1);
+        checkNode(s, 4, 6, 1);
+        checkNode(s, 5, 5, 1);
+        checkNode(s, 6, 4, 1);
+        checkNode(s, 7, 3, 1);
+        checkNode(s, 8, 3, 2);
+        checkNode(s, 9, 2, 2);
+        checkNode(s, 10, 1, 2);
+    }
+
+    @Test public void test_80() {
+        List<Node> s = lineOfSight(9, 0, 6, 3);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 9, 1);
+        checkNode(s, 3, 8, 1);
+        checkNode(s, 4, 7, 1);
+        checkNode(s, 5, 8, 2);
+        checkNode(s, 6, 7, 2);
+        checkNode(s, 7, 6, 2);
+        checkNode(s, 8, 7, 3);
+        checkNode(s, 9, 6, 3);
+    }
+
+    @Test public void test_81() {
+        List<Node> s = lineOfSight(9, 0, 11, 4);
+        assertTrue(s.size() == 5);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 10, 2);
+        checkNode(s, 3, 10, 3);
+        checkNode(s, 4, 11, 4);
+    }
+
+    @Test public void test_82() {
+        List<Node> s = lineOfSight(9, 0, 8, 4);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 9, 2);
+        checkNode(s, 3, 8, 2);
+        checkNode(s, 4, 8, 3);
+        checkNode(s, 5, 8, 4);
+    }
+
+    @Test public void test_83() {
+        List<Node> s = lineOfSight(9, 0, 5, 4);
+        assertTrue(s.size() == 13);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 9, 1);
+        checkNode(s, 3, 8, 1);
+        checkNode(s, 4, 7, 1);
+        checkNode(s, 5, 8, 2);
+        checkNode(s, 6, 7, 2);
+        checkNode(s, 7, 6, 2);
+        checkNode(s, 8, 7, 3);
+        checkNode(s, 9, 6, 3);
+        checkNode(s, 10, 5, 3);
+        checkNode(s, 11, 6, 4);
+        checkNode(s, 12, 5, 4);
+    }
+
+    @Test public void test_84() {
+        List<Node> s = lineOfSight(9, 0, 2, 4);
+        assertTrue(s.size() == 12);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 8, 1);
+        checkNode(s, 3, 7, 1);
+        checkNode(s, 4, 6, 1);
+        checkNode(s, 5, 6, 2);
+        checkNode(s, 6, 5, 2);
+        checkNode(s, 7, 5, 3);
+        checkNode(s, 8, 4, 3);
+        checkNode(s, 9, 3, 3);
+        checkNode(s, 10, 3, 4);
+        checkNode(s, 11, 2, 4);
+    }
+
+    @Test public void test_85() {
+        List<Node> s = lineOfSight(9, 0, 10, 5);
+        assertTrue(s.size() == 6);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 9, 2);
+        checkNode(s, 3, 10, 3);
+        checkNode(s, 4, 10, 4);
+        checkNode(s, 5, 10, 5);
+    }
+
+    @Test public void test_86() {
+        List<Node> s = lineOfSight(9, 0, 7, 5);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 8, 1);
+        checkNode(s, 3, 8, 2);
+        checkNode(s, 4, 8, 3);
+        checkNode(s, 5, 8, 4);
+        checkNode(s, 6, 7, 4);
+        checkNode(s, 7, 7, 5);
+    }
+
+    @Test public void test_87() {
+        List<Node> s = lineOfSight(9, 0, 4, 5);
+        assertTrue(s.size() == 16);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 9, 1);
+        checkNode(s, 3, 8, 1);
+        checkNode(s, 4, 7, 1);
+        checkNode(s, 5, 8, 2);
+        checkNode(s, 6, 7, 2);
+        checkNode(s, 7, 6, 2);
+        checkNode(s, 8, 7, 3);
+        checkNode(s, 9, 6, 3);
+        checkNode(s, 10, 5, 3);
+        checkNode(s, 11, 6, 4);
+        checkNode(s, 12, 5, 4);
+        checkNode(s, 13, 4, 4);
+        checkNode(s, 14, 5, 5);
+        checkNode(s, 15, 4, 5);
+    }
+
+    @Test public void test_88() {
+        List<Node> s = lineOfSight(9, 0, 12, 6);
+        assertTrue(s.size() == 7);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 10, 2);
+        checkNode(s, 3, 10, 3);
+        checkNode(s, 4, 11, 4);
+        checkNode(s, 5, 11, 5);
+        checkNode(s, 6, 12, 6);
+    }
+
+    @Test public void test_89() {
+        List<Node> s = lineOfSight(9, 0, 3, 6);
+        assertTrue(s.size() == 19);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 8, 0);
+        checkNode(s, 2, 9, 1);
+        checkNode(s, 3, 8, 1);
+        checkNode(s, 4, 7, 1);
+        checkNode(s, 5, 8, 2);
+        checkNode(s, 6, 7, 2);
+        checkNode(s, 7, 6, 2);
+        checkNode(s, 8, 7, 3);
+        checkNode(s, 9, 6, 3);
+        checkNode(s, 10, 5, 3);
+        checkNode(s, 11, 6, 4);
+        checkNode(s, 12, 5, 4);
+        checkNode(s, 13, 4, 4);
+        checkNode(s, 14, 5, 5);
+        checkNode(s, 15, 4, 5);
+        checkNode(s, 16, 3, 5);
+        checkNode(s, 17, 4, 6);
+        checkNode(s, 18, 3, 6);
+    }
+
+    @Test public void test_90() {
+        List<Node> s = lineOfSight(9, 0, 11, 7);
+        assertTrue(s.size() == 8);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 10, 2);
+        checkNode(s, 3, 10, 3);
+        checkNode(s, 4, 10, 4);
+        checkNode(s, 5, 10, 5);
+        checkNode(s, 6, 11, 6);
+        checkNode(s, 7, 11, 7);
+    }
+
+    @Test public void test_91() {
+        List<Node> s = lineOfSight(9, 0, 8, 7);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 9, 2);
+        checkNode(s, 3, 9, 3);
+        checkNode(s, 4, 8, 3);
+        checkNode(s, 5, 9, 4);
+        checkNode(s, 6, 8, 4);
+        checkNode(s, 7, 8, 5);
+        checkNode(s, 8, 8, 6);
+        checkNode(s, 9, 8, 7);
+    }
+
+    @Test public void test_92() {
+        List<Node> s = lineOfSight(9, 0, 5, 7);
+        assertTrue(s.size() == 12);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 8, 1);
+        checkNode(s, 3, 8, 2);
+        checkNode(s, 4, 8, 3);
+        checkNode(s, 5, 7, 3);
+        checkNode(s, 6, 7, 4);
+        checkNode(s, 7, 6, 4);
+        checkNode(s, 8, 6, 5);
+        checkNode(s, 9, 6, 6);
+        checkNode(s, 10, 5, 6);
+        checkNode(s, 11, 5, 7);
+    }
+
+    @Test public void test_93() {
+        List<Node> s = lineOfSight(9, 0, 13, 8);
+        assertTrue(s.size() == 9);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 10, 2);
+        checkNode(s, 3, 10, 3);
+        checkNode(s, 4, 11, 4);
+        checkNode(s, 5, 11, 5);
+        checkNode(s, 6, 12, 6);
+        checkNode(s, 7, 12, 7);
+        checkNode(s, 8, 13, 8);
+    }
+
+    @Test public void test_94() {
+        List<Node> s = lineOfSight(9, 0, 10, 8);
+        assertTrue(s.size() == 10);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 9, 2);
+        checkNode(s, 3, 9, 3);
+        checkNode(s, 4, 10, 4);
+        checkNode(s, 5, 9, 4);
+        checkNode(s, 6, 10, 5);
+        checkNode(s, 7, 10, 6);
+        checkNode(s, 8, 10, 7);
+        checkNode(s, 9, 10, 8);
+    }
+
+    @Test public void test_95() {
+        List<Node> s = lineOfSight(9, 0, 7, 8);
+        assertTrue(s.size() == 11);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 9, 2);
+        checkNode(s, 3, 8, 2);
+        checkNode(s, 4, 8, 3);
+        checkNode(s, 5, 8, 4);
+        checkNode(s, 6, 8, 5);
+        checkNode(s, 7, 8, 6);
+        checkNode(s, 8, 7, 6);
+        checkNode(s, 9, 7, 7);
+        checkNode(s, 10, 7, 8);
+    }
+
+    @Test public void test_96() {
+        List<Node> s = lineOfSight(9, 0, 4, 8);
+        assertTrue(s.size() == 14);
+        checkNode(s, 0, 9, 0);
+        checkNode(s, 1, 9, 1);
+        checkNode(s, 2, 8, 1);
+        checkNode(s, 3, 8, 2);
+        checkNode(s, 4, 7, 2);
+        checkNode(s, 5, 7, 3);
+        checkNode(s, 6, 7, 4);
+        checkNode(s, 7, 6, 4);
+        checkNode(s, 8, 6, 5);
+        checkNode(s, 9, 6, 6);
+        checkNode(s, 10, 5, 6);
+        checkNode(s, 11, 5, 7);
+        checkNode(s, 12, 4, 7);
+        checkNode(s, 13, 4, 8);
+    }
+}