add game.ObjectiveSet implements MoveToAnimationCb

1 files changed, 90 insertions, 0 deletions

diff --git a/core/src/ch/asynk/tankontank/game/ObjectiveSet.java b/core/src/ch/asynk/tankontank/game/ObjectiveSet.java
new file mode 100644
index 0000000..2a4f3ee
--- /dev/null
+++ b/core/src/ch/asynk/tankontank/game/ObjectiveSet.java
@@ -0,0 +1,90 @@
+package ch.asynk.tankontank.game;
+
+import java.util.Collection;
+import java.util.HashMap;
+
+import ch.asynk.tankontank.engine.gfx.Moveable;
+import ch.asynk.tankontank.engine.gfx.animations.MoveToAnimation.MoveToAnimationCb;
+
+public class ObjectiveSet extends HashMap<Hex, Objective> implements MoveToAnimationCb
+{
+    private final Map map;
+    private final HashMap<Objective, Hex> modified;
+
+    public ObjectiveSet(Map map, int n)
+    {
+        super(n);
+        this.map = map;
+        this.modified = new HashMap<Objective, Hex>(10);
+    }
+
+    public void add(Hex hex, Army army, boolean persistent)
+    {
+        put(hex, new Objective(army, persistent));
+        map.showObjective(hex, army);
+    }
+
+    public int count(Army army)
+    {
+        int n = 0;
+        for (Objective objective : values()) {
+            if (objective.is(army))
+                n += 1;
+        }
+        return n;
+    }
+
+    @Override
+    public void moveToAnimationEnter(Moveable moveable, float x, float y, float r)
+    {
+        claim(map.getHexAt(x, y), (Army) moveable.getFaction());
+    }
+
+    @Override
+    public void moveToAnimationLeave(Moveable moveable, float x, float y, float r)
+    {
+        unclaim(map.getHexAt(x, y));
+    }
+
+    @Override
+    public void moveToAnimationDone(Moveable moveable, float x, float y, float r)
+    {
+    }
+
+    public Army claim(Hex hex, Army army)
+    {
+        Objective objective = get(hex);
+        if (objective == null)
+            return Army.NONE;
+        if (objective.set(army)) {
+            modified.put(objective, hex);
+            map.showObjective(hex, army);
+        }
+        return army;
+    }
+
+    public void unclaim(Hex hex)
+    {
+        Objective objective = get(hex);
+        if (objective == null)
+            return;
+        if (objective.unset()) {
+            modified.remove(objective);
+            map.showObjective(hex, objective.army());
+        }
+    }
+
+    public void forget()
+    {
+        modified.clear();
+    }
+
+    public void revert()
+    {
+        for (Objective objective : modified.keySet()) {
+            objective.revert();
+            map.showObjective(modified.get(objective), objective.army());
+        }
+        modified.clear();
+    }
+}