1 files changed, 84 insertions, 17 deletions
diff --git a/core/src/ch/asynk/tankontank/engine/Tile.java b/core/src/ch/asynk/tankontank/engine/Tile.java
index 7c43bd4..f7122fe 100644
--- a/core/src/ch/asynk/tankontank/engine/Tile.java
+++ b/core/src/ch/asynk/tankontank/engine/Tile.java
@@ -1,27 +1,17 @@
 package ch.asynk.tankontank.engine;
 
 import java.util.List;
+import java.util.ArrayDeque;
+
+import com.badlogic.gdx.graphics.g2d.Batch;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
 
 import ch.asynk.tankontank.engine.gfx.BasicDrawable;
+import ch.asynk.tankontank.engine.gfx.StackedImages;
 
-public interface Tile extends BasicDrawable
+public abstract class Tile implements BasicDrawable
 {
-    public int push(Pawn pawn);
-
-    public int remove(Pawn pawn);
-
-    public Pawn getTopPawn();
-
-    public boolean mustBeDrawn();
-
-    public boolean occupied();
-
-    public boolean hasOverlayEnabled();
-
-    public void enableOverlay(int i, boolean enable);
-
-    public List<Tile> adjacents();
-
     public enum Side
     {
         WEST(1),
@@ -34,4 +24,81 @@ public interface Tile extends BasicDrawable
         public final int v;
         Side(int v) { this.v = v; }
     }
+
+    private StackedImages overlays;
+    private ArrayDeque<Pawn> stack;
+
+    public Tile(TextureAtlas atlas)
+    {
+        this.stack = null;
+        this.overlays = new StackedImages(atlas);
+    }
+
+    public int push(Pawn pawn)
+    {
+        if (stack == null) stack = new ArrayDeque<Pawn>();
+        stack.push(pawn);
+        return stack.size();
+    }
+
+    public int remove(Pawn pawn)
+    {
+        stack.remove(pawn);
+        return stack.size();
+    }
+
+    public Pawn getTopPawn()
+    {
+        if ((stack == null) || (stack.size() == 0)) return null;
+        return stack.getFirst();
+    }
+
+    public boolean mustBeDrawn()
+    {
+        if (occupied()) return true;
+        return hasOverlayEnabled();
+    }
+
+    public boolean occupied()
+    {
+        return (stack.size() != 0);
+    }
+
+    public boolean hasOverlayEnabled()
+    {
+        return overlays.isEnabled();
+    }
+
+    public void enableOverlay(int i, boolean enable)
+    {
+        overlays.enable(i, enable);
+    }
+
+    public List<Tile> adjacents()
+    {
+        // FIXME
+        System.err.println("adjacents() Not implemented yet");
+        return null;
+    }
+
+    public void setPosition(float x, float y, float z)
+    {
+        overlays.setPosition(x, y, z);
+    }
+
+    public void draw(Batch batch, float parentAlpha)
+    {
+        overlays.draw(batch, parentAlpha);
+        Pawn pawn = getTopPawn();
+        if (pawn != null)
+            pawn.draw(batch, parentAlpha);
+    }
+
+    public void drawDebug(ShapeRenderer debugShapes)
+    {
+        overlays.drawDebug(debugShapes);
+        Pawn pawn = getTopPawn();
+        if (pawn != null)
+            pawn.drawDebug(debugShapes);
+    }
 }