package era.mi.logic.timeline;\r
\r
+import java.util.ArrayList;\r
+import java.util.List;\r
import java.util.PriorityQueue;\r
+import java.util.function.Consumer;\r
\r
/**\r
* Orders Events by the time they are due to be executed. Can execute Events individually.\r
private PriorityQueue<InnerEvent> events;\r
private long currentTime = 0;\r
\r
+ private final List<Consumer<TimelineEvent>> eventAddedListener;\r
+ \r
public Timeline(int initCapacity)\r
{\r
events = new PriorityQueue<InnerEvent>(initCapacity, (a, b) -> {\r
return 0;\r
return difference < 0 ? -1 : 1;\r
});\r
+ \r
+ eventAddedListener = new ArrayList<>();\r
}\r
\r
public boolean hasNext()\r
{\r
return currentTime;\r
}\r
+\r
+ public long nextEventTime()\r
+ {\r
+ if(!hasNext())\r
+ return -1;\r
+ else\r
+ return events.peek().timing;\r
+ }\r
\r
public void reset()\r
{\r
events.clear();\r
currentTime = 0;\r
}\r
+\r
+ public void addEventAddedListener(Consumer<TimelineEvent> listener)\r
+ {\r
+ eventAddedListener.add(listener);\r
+ }\r
+ public void removeEventAddedListener(Consumer<TimelineEvent> listener)\r
+ {\r
+ eventAddedListener.remove(listener);\r
+ }\r
\r
/**\r
* Adds an Event to the {@link Timeline}\r
public void addEvent(TimelineEventHandler function, int relativeTiming)\r
{\r
long timing = currentTime + relativeTiming;\r
- events.add(new InnerEvent(function, new TimelineEvent(timing), timing));\r
+ TimelineEvent event = new TimelineEvent(timing);\r
+ events.add(new InnerEvent(function, event, timing));\r
+ eventAddedListener.forEach(l -> l.accept(event));\r
}\r
\r
private class InnerEvent\r