package ch.asynk.tankontank.engine; import java.util.Collection; import java.util.HashMap; public class ObjectiveSet extends HashMap { public interface ObjectiveCb { public void showObjective(Tile tile, Faction faction); } private final Board board; private final HashMap modified; public ObjectiveSet(Board board, int n) { super(n); this.board = board; this.modified = new HashMap(10); } public void add(Tile tile, Faction faction, boolean persistent) { put(tile, new Objective(faction, persistent)); } public int count(Faction faction) { int n = 0; for (Objective objective : values()) { if (objective.is(faction)) n += 1; } return n; } public Faction claim(Tile tile, Faction faction) { Objective objective = get(tile); if (objective == null) return null; if (objective.set(faction)) modified.put(objective, tile); return objective.faction(); } public Faction unclaim(Tile tile) { Objective objective = get(tile); if (objective == null) return null; if (objective.unset()) modified.remove(objective); return objective.faction(); } public void forget() { modified.clear(); } public void revert(ObjectiveCb cb) { for (Objective objective : modified.keySet()) { objective.revert(); cb.showObjective(modified.get(objective), objective.faction()); } modified.clear(); } }