From ca172c2ab35280a27a89ce1da1bfebca4923b849 Mon Sep 17 00:00:00 2001
From: Jérémy Zurcher <jeremy@asynk.ch>
Date: Tue, 23 Sep 2014 17:12:11 +0200
Subject: implement clear overlays in Board/Tile/StackImage

---
 core/src/ch/asynk/tankontank/engine/Board.java             | 13 +++++++++++++
 core/src/ch/asynk/tankontank/engine/Tile.java              |  6 ++++++
 core/src/ch/asynk/tankontank/engine/gfx/StackedImages.java |  6 ++++++
 3 files changed, 25 insertions(+)

(limited to 'core/src/ch/asynk/tankontank')

diff --git a/core/src/ch/asynk/tankontank/engine/Board.java b/core/src/ch/asynk/tankontank/engine/Board.java
index 3115c409..dc6ce633 100644
--- a/core/src/ch/asynk/tankontank/engine/Board.java
+++ b/core/src/ch/asynk/tankontank/engine/Board.java
@@ -181,6 +181,19 @@ public abstract class Board extends Image implements Disposable
             debugShapes.setTransformMatrix(prevTransform);
     }
 
+    public void clearOverlaysOn(int col, int row)
+    {
+        clearOverlaysOn(board[row][col]);
+    }
+
+    public void clearOverlaysOn(Tile tile)
+    {
+        if (tile.clearOverlays())
+            tilesToDraw.add(tile);
+        else
+            tilesToDraw.remove(tile);
+    }
+
     public void enableOverlayOn(int col, int row, int i, boolean enable)
     {
         enableOverlayOn(board[row][col], i, enable);
diff --git a/core/src/ch/asynk/tankontank/engine/Tile.java b/core/src/ch/asynk/tankontank/engine/Tile.java
index 92b8dc4f..d517b271 100644
--- a/core/src/ch/asynk/tankontank/engine/Tile.java
+++ b/core/src/ch/asynk/tankontank/engine/Tile.java
@@ -52,6 +52,12 @@ public abstract class Tile implements BasicDrawable
         return (stack.size() != 0);
     }
 
+    public boolean clearOverlays()
+    {
+        overlays.clear();
+        return occupied();
+    }
+
     public boolean hasOverlayEnabled()
     {
         return overlays.isEnabled();
diff --git a/core/src/ch/asynk/tankontank/engine/gfx/StackedImages.java b/core/src/ch/asynk/tankontank/engine/gfx/StackedImages.java
index 5eb5e553..70d30b89 100644
--- a/core/src/ch/asynk/tankontank/engine/gfx/StackedImages.java
+++ b/core/src/ch/asynk/tankontank/engine/gfx/StackedImages.java
@@ -17,6 +17,12 @@ public class StackedImages implements BasicDrawable
         this.enabled = new boolean[sprites.size];
     }
 
+    public void clear()
+    {
+        for (int i = 0; i < sprites.size; i++)
+            enabled[i] = false;
+    }
+
     public void enable(int i, boolean enable)
     {
         enabled[i] = enable;
-- 
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