Fix another elo related thing

src/de/steamwar/bungeecore/network/handlers/EloPlayerHandler.java

@@ -49,6 +49,10 @@ public class EloPlayerHandler extends PacketHandler {
 
     private Map<String, LinkedList<Game>> gameModeGames = new HashMap<>();
 
+    /**
+     * {@link FightEndsPacket#getWin()} == 1 -> Blue won
+     * {@link FightEndsPacket#getWin()} == 2 -> Red won
+     */
     @Handler
     public void handle(FightEndsPacket fightEndsPacket) {
         if (!ArenaMode.getBySchemType(SchematicType.fromDB(fightEndsPacket.getGameMode())).isRanked()) {
@@ -86,6 +90,20 @@ public class EloPlayerHandler extends PacketHandler {
         int blueTeamElo = fightEndsPacket.getBluePlayers().stream().mapToInt(player -> UserElo.getEloOrDefault(player, fightEndsPacket.getGameMode())).sum();
         int redTeamElo = fightEndsPacket.getRedPlayers().stream().mapToInt(player -> UserElo.getEloOrDefault(player, fightEndsPacket.getGameMode())).sum();
 
+        // Adaptive elo bonus
+        int blueTeamEloBonus = 0;
+        int redTeamEloBonus = 0;
+        if (Math.abs(blueTeamElo / (double) fightEndsPacket.getBluePlayers().size() - redTeamElo / (double) fightEndsPacket.getRedPlayers().size()) > 400) {
+            int outlivedDuration = Math.max(fightEndsPacket.getDuration() - 60, 0);
+            if (fightEndsPacket.getWin() == 1 && blueTeamElo < redTeamElo) {
+                blueTeamEloBonus = outlivedDuration / 20;
+                redTeamEloBonus = -(blueTeamEloBonus / 2);
+            } else if (fightEndsPacket.getWin() == 2 && redTeamElo < blueTeamElo) {
+                redTeamEloBonus = outlivedDuration / 20;
+                blueTeamEloBonus = -(redTeamEloBonus / 2);
+            }
+        }
+
         // Calculate the elo factor
         double blueEloFactor = ((fightEndsPacket.getWin() == 1 ? 1 : 0) - 1 / (1 + Math.pow(10, (redTeamElo - blueTeamElo) / 600.0))) * (1 / (1 + Math.exp(-Math.abs(blueTeamElo - redTeamElo) / 1200))) * 4;
         double redEloFactor = blueEloFactor * -1;
@@ -125,8 +143,8 @@ public class EloPlayerHandler extends PacketHandler {
         double redFactor = redPlayerFactor * timeFactor * redEloFactor * rematchFactor * redWinFactor * divisionFactor;
 
         // Calculate the elo gain for each player
-        int blueEloGain = (int) Math.round((blueFactor < 0 ? MEDIAN_ELO_LOSE : MEDIAN_ELO_GAIN) * blueFactor);
-        int redEloGain = (int) Math.round((redFactor < 0 ? MEDIAN_ELO_LOSE : MEDIAN_ELO_GAIN) * redFactor);
+        int blueEloGain = (int) Math.round((blueFactor < 0 ? MEDIAN_ELO_LOSE : MEDIAN_ELO_GAIN) * blueFactor) + blueTeamEloBonus;
+        int redEloGain = (int) Math.round((redFactor < 0 ? MEDIAN_ELO_LOSE : MEDIAN_ELO_GAIN) * redFactor) + redTeamEloBonus;
 
         // BungeeCore.get().getLogger().info("Blue: " + fightEndsPacket.getBluePlayers() + " " + blueTeamSize + " " + bluePlayerFactor + " " + timeFactor + " " + blueEloFactor + " " + rematchFactor + " " + blueWinFactor + " " + divisionFactor + " " + blueEloGain);
         // BungeeCore.get().getLogger().info("Red: " + fightEndsPacket.getRedPlayers() + " " + redTeamSize + " " + redPlayerFactor + " " + timeFactor + " " + redEloFactor + " " + rematchFactor + " " + redWinFactor + " " + divisionFactor + " " + redEloGain);