add missing Latency enum

Author: JasperGeurtz

.gitignore

@@ -5,4 +5,3 @@ target/
 .idea/
 *.iml
 
-src/test/java/jbot

src/main/java/bwapi/Game.java

@@ -379,8 +379,8 @@ public GameType getGameType() {
         return GameType.idToEnum[gameData.getGameType()];
     }
 
-    public int getLatency() {
-        return gameData.getLatency();
+    public Latency getLatency() {
+        return Latency.idToEnum[gameData.getLatency()];
     }
 
     public int getFrameCount() {

src/main/java/bwapi/Latency.java

@@ -0,0 +1,26 @@
+package bwapi;
+
+import java.util.Arrays;
+
+public enum Latency {
+
+    SinglePlayer(2),
+    LanLow(5),
+    LanMedium(7),
+    LanHigh(9),
+    BattlenetLow(14),
+    BattlenetMedium(19),
+    BattlenetHigh(24);
+
+    final int id;
+
+    Latency(final int id) {
+        this.id = id;
+    }
+
+    static Latency[] idToEnum = new Latency[24 + 1];
+
+    static {
+        Arrays.stream(Latency.values()).forEach(v -> idToEnum[v.id] = v);
+    }
+}