From b2c746a1340f44056d27c11e25a835f5e5feef8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Fri, 21 Nov 2014 17:04:38 +0100
Subject: add game.Objective

---
 core/src/ch/asynk/tankontank/game/Objective.java | 48 ++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 core/src/ch/asynk/tankontank/game/Objective.java

diff --git a/core/src/ch/asynk/tankontank/game/Objective.java b/core/src/ch/asynk/tankontank/game/Objective.java
new file mode 100644
index 0000000..f7a6c3b
--- /dev/null
+++ b/core/src/ch/asynk/tankontank/game/Objective.java
@@ -0,0 +1,48 @@
+package ch.asynk.tankontank.game;
+
+public class Objective
+{
+    protected Army curArmy;
+    protected Army prevArmy;
+    private boolean persistent;
+
+    public Objective(Army army, boolean persistent)
+    {
+        this.curArmy = army;
+        this.prevArmy = army;
+        this.persistent = persistent;
+    }
+
+    public boolean is(Army army)
+    {
+        return (curArmy == army);
+    }
+
+    public Army army()
+    {
+        return curArmy;
+    }
+
+    public boolean set(Army army)
+    {
+        if (army == curArmy)
+            return false;
+        prevArmy = curArmy;
+        curArmy = army;
+        return true;
+    }
+
+    public boolean unset()
+    {
+        if (persistent)
+            return false;
+        revert();
+        return true;
+    }
+
+    public Army revert()
+    {
+        curArmy = prevArmy;
+        return curArmy;
+    }
+}
-- 
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