1 files changed, 85 insertions, 0 deletions
diff --git a/core/src/ch/asynk/gdx/boardgame/Path.java b/core/src/ch/asynk/gdx/boardgame/Path.java
new file mode 100644
index 0000000..5bc46c3
--- /dev/null
+++ b/core/src/ch/asynk/gdx/boardgame/Path.java
@@ -0,0 +1,85 @@
+package ch.asynk.gdx.boardgame;
+
+import java.util.Iterator;
+
+import com.badlogic.gdx.math.Vector3;
+import com.badlogic.gdx.utils.Pool;
+import com.badlogic.gdx.utils.Disposable;
+
+import ch.asynk.gdx.boardgame.pieces.Piece;
+import ch.asynk.gdx.boardgame.utils.IterableArray;
+
+public class Path extends IterableArray<Tile> implements Disposable, Pool.Poolable
+{
+    public static int defaultCapacity = 8;
+
+    private static final Pool<Path> pathPool = new Pool<Path>()
+    {
+        @Override protected Path newObject()
+        {
+            return new Path();
+        }
+    };
+
+    public static Path obtain()
+    {
+        return pathPool.obtain();
+    }
+
+    private Orientation finalOrientation;
+
+    private Path()
+    {
+        super(defaultCapacity);
+    }
+
+    public void setFinalOrientation(Orientation orientation)
+    {
+        this.finalOrientation = orientation;
+    }
+
+    @Override public void reset()
+    {
+        clear();
+        this.finalOrientation = null;
+    }
+
+    @Override public void dispose()
+    {
+        clear();
+        pathPool.free(this);
+    }
+
+    @Override public String toString()
+    {
+        String s = String.format(" o:%s\n", finalOrientation);
+        for (Tile t : this)
+            s += String.format("  %s\n", t.toString());
+        return s;
+    }
+
+    public boolean nextVector(Piece piece, Vector3 v)
+    {
+        if (hasNext()) {
+            Tile cur = current();
+            if (piece.isOn(cur)) {
+                // rotation ...
+                next();
+                Orientation o = (hasNext() ? Orientation.fromTiles(cur, current()) : finalOrientation);
+                // if already facing, transform into a move
+                if (piece.isFacing(o)) {
+                    cur = current();
+                    if (cur == null) {
+                        return true;
+                    }
+                }
+                piece.getPosOn(cur, o, v);
+            } else {
+                // regular move, no rotation
+                piece.getPosOn(cur, Orientation.fromR(v.z), v);
+            }
+            return false;
+        }
+        return true;
+    }
+}