From db47a53fc4b3fb03445387991b125fbc98aaa693 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Sun, 21 Sep 2014 04:26:13 +0200
Subject: Map: add touch and drag support for tests

---
 core/src/ch/asynk/tankontank/engine/Map.java     |  4 ++++
 core/src/ch/asynk/tankontank/engine/MapNode.java | 29 ++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/core/src/ch/asynk/tankontank/engine/Map.java b/core/src/ch/asynk/tankontank/engine/Map.java
index 8e5fcbf..253edf0 100644
--- a/core/src/ch/asynk/tankontank/engine/Map.java
+++ b/core/src/ch/asynk/tankontank/engine/Map.java
@@ -40,4 +40,8 @@ public interface Map extends Drawable, Disposable
         public float h;         // square height : s + dh
         public float slope;     // north-west side slope : (dh / (float) dw)
     }
+
+    public void touchUp(float x, float y);
+    public void touchDown(float x, float y);
+    public boolean drag(float dx, float dy);
 }
diff --git a/core/src/ch/asynk/tankontank/engine/MapNode.java b/core/src/ch/asynk/tankontank/engine/MapNode.java
index 740074e..bf9928a 100644
--- a/core/src/ch/asynk/tankontank/engine/MapNode.java
+++ b/core/src/ch/asynk/tankontank/engine/MapNode.java
@@ -31,6 +31,9 @@ public class MapNode extends Image implements Map
     private Matrix4 prevTransform;
     private Matrix4 nextTransform;
 
+    private Pawn currentPawn;
+    private GridPoint2 currentHex = new GridPoint2(-1, -1);
+
     private final Vector<Animation> animations = new Vector<Animation>(2);
     private final Vector<Animation> nextAnimations = new Vector<Animation>(2);
     private final LinkedHashSet<Tile> tilesToDraw = new LinkedHashSet<Tile>();
@@ -277,5 +280,31 @@ public class MapNode extends Image implements Map
 
         return hex;
     }
+
+    @Override
+    public boolean drag(float dx, float dy)
+    {
+        if (currentPawn == null) return false;
+        currentPawn.translate(dx, dy);
+        return true;
+    }
+
+    @Override
+    public void touchDown(float x, float y)
+    {
+        getHexAt(currentHex, x, y);
+        if (currentHex.x != -1) {
+            currentPawn = getTopPawnAt(currentHex);
+        }
+    }
+
+    @Override
+    public void touchUp(float x, float y)
+    {
+        getHexAt(currentHex, x, y);
+        if (currentPawn != null) {
+            movePawnTo(currentPawn, currentHex);
+        }
+    }
 }
 
-- 
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