public static void ServerCreateBossLoot(
Vector2Ushort epicenterPosition,
IProtoCharacterMob protoCharacterBoss,
ServerBossDamageTracker damageTracker,
double bossDifficultyCoef,
IProtoStaticWorldObject lootObjectProto,
int lootObjectsDefaultCount,
double lootObjectsRadius,
int maxLootWinners)
{
var approximatedTotalLootCountToSpawn = (int)Math.Ceiling(lootObjectsDefaultCount * bossDifficultyCoef);
if (approximatedTotalLootCountToSpawn < 2)
{
approximatedTotalLootCountToSpawn = 2;
}
var allCharactersByDamage = damageTracker.GetDamageByCharacter();
var winners = ServerSelectWinnersByParticipation(
ServerSelectWinnersByDamage(allCharactersByDamage,
maxLootWinners));
var winnerEntries = winners
.Select(
c => new WinnerEntry(
c.Character,
damagePercent: (byte)Math.Max(
1,
Math.Round(c.Score * 100, MidpointRounding.AwayFromZero)),
lootCount: CalculateLootCountForScore(c.Score)))
.ToList();
if (PveSystem.ServerIsPvE)
{
ServerNotifyCharactersNotEligibleForReward(
protoCharacterBoss,
allCharactersByDamage.Select(c => c.Character)
.Except(winners.Select(c => c.Character))
.ToList());
ServerNotifyCharactersEligibleForReward(
protoCharacterBoss,
winnerEntries,
totalLootCount: (ushort)winnerEntries.Sum(e => (int)e.LootCount));
}
ServerSpawnLoot();
// send victory announcement notification
var winnerNamesWithClanTags = winnerEntries
.Select(w => (Name: w.Character.Name,
ClanTag: PlayerCharacter.GetPublicState(w.Character).ClanTag))
.ToArray();
Instance.CallClient(
ServerCharacters.EnumerateAllPlayerCharacters(onlyOnline: true),
_ => _.ClientRemote_VictoryAnnouncement(protoCharacterBoss,
winnerNamesWithClanTags));
Api.Logger.Important(
protoCharacterBoss.ShortId
+ " boss defeated."
+ Environment.NewLine
+ "Damage by player:"
+ Environment.NewLine
+ allCharactersByDamage.Select(p => $" * {p.Character}: {p.Damage:F0}")
.GetJoinedString(Environment.NewLine)
+ Environment.NewLine
+ "Player participation score: (only for selected winners)"
+ Environment.NewLine
+ winners.Select(p => $" * {p.Character}: {(p.Score * 100):F1}%")
.GetJoinedString(Environment.NewLine));
byte CalculateLootCountForScore(double score)
{
var result = Math.Ceiling(approximatedTotalLootCountToSpawn * score);
if (result < 1)
{
return(1);
}
return((byte)Math.Min(byte.MaxValue, result));
}
void ServerSpawnLoot()
{
foreach (var winnerEntry in winnerEntries)
{
if (!ServerTrySpawnLootForWinner(winnerEntry.Character, winnerEntry.LootCount))
{
// spawn attempts failure as logged inside the method,
// abort further spawning
return;
}
}
}
bool ServerTrySpawnLootForWinner(ICharacter forCharacter, double countToSpawnRemains)
{
var attemptsRemains = 2000;
while (countToSpawnRemains > 0)
{
attemptsRemains--;
if (attemptsRemains <= 0)
{
// attempts exceeded
Api.Logger.Error(
"Cannot spawn all the loot for boss - number of attempts exceeded. Cont to spawn for winner remains: "
+ countToSpawnRemains);
return(false);
}
// calculate random distance from the explosion epicenter
var distance = RandomHelper.Range(2, lootObjectsRadius);
// ensure we spawn more objects closer to the epicenter
var spawnProbability = 1 - (distance / lootObjectsRadius);
spawnProbability = Math.Pow(spawnProbability, 1.25);
if (!RandomHelper.RollWithProbability(spawnProbability))
{
// random skip
continue;
}
var angle = RandomHelper.NextDouble() * MathConstants.DoublePI;
var spawnPosition = new Vector2Ushort(
(ushort)(epicenterPosition.X + distance * Math.Cos(angle)),
(ushort)(epicenterPosition.Y + distance * Math.Sin(angle)));
if (ServerTrySpawnLootObject(spawnPosition, forCharacter))
{
// spawned successfully!
countToSpawnRemains--;
}
}
return(true);
}
bool ServerTrySpawnLootObject(Vector2Ushort spawnPosition, ICharacter forCharacter)
{
if (!lootObjectProto.CheckTileRequirements(spawnPosition,
character: null,
logErrors: false))
{
return(false);
}
var lootObject = ServerWorld.CreateStaticWorldObject(lootObjectProto, spawnPosition);
if (lootObject is null)
{
return(false);
}
// mark the loot object for this player (works only in PvE)
WorldObjectClaimSystem.ServerTryClaim(lootObject,
forCharacter,
WorldObjectClaimDuration.BossLoot,
claimForPartyMembers: false);
return(true);
}
}
public static void ServerSpawnMinions(
ICharacter characterBoss,
Vector2D characterBossCenterPosition,
IProtoCharacterMob protoMinion,
List <ICharacter> minionsList,
double spawnCheckDistanceSqr,
ServerBossDamageTracker bossDamageTracker,
double minionsPerPlayer,
int minionsTotalMin,
int minionsTotalMax,
int?minionsSpawnPerIterationLimit,
double baseMinionsNumber,
double spawnNoObstaclesCircleRadius,
double spawnDistanceMin,
double spawnDistanceMax)
{
// calculate how many minions required
var minionsRequired = baseMinionsNumber;
using var tempListCharacters = Api.Shared.GetTempList <ICharacter>();
Api.Server.World.GetScopedByPlayers(characterBoss, tempListCharacters);
foreach (var player in tempListCharacters.AsList())
{
if (player.Position.DistanceSquaredTo(characterBossCenterPosition)
<= spawnCheckDistanceSqr)
{
minionsRequired += minionsPerPlayer;
}
}
minionsRequired = MathHelper.Clamp(minionsRequired,
minionsTotalMin,
minionsTotalMax);
if (minionsSpawnPerIterationLimit.HasValue)
{
minionsRequired = Math.Min(minionsRequired, minionsSpawnPerIterationLimit.Value);
}
ServerProcessMinions(characterBoss,
protoMinion,
minionsList,
out var spawnedMinionsCount,
despawnDistanceSqr: spawnCheckDistanceSqr);
//Logger.Dev($"Minions required: {minionsRequired} minions have: {minionsHave}");
minionsRequired -= spawnedMinionsCount;
if (minionsRequired <= 0)
{
return;
}
// spawn minions
var attemptsRemains = 300;
var physicsSpace = characterBoss.PhysicsBody.PhysicsSpace;
while (minionsRequired > 0)
{
attemptsRemains--;
if (attemptsRemains <= 0)
{
// attempts exceeded
return;
}
var spawnDistance = spawnDistanceMin
+ RandomHelper.NextDouble() * (spawnDistanceMax - spawnDistanceMin);
var angle = RandomHelper.NextDouble() * MathConstants.DoublePI;
var spawnPosition = new Vector2Ushort(
(ushort)(characterBossCenterPosition.X + spawnDistance * Math.Cos(angle)),
(ushort)(characterBossCenterPosition.Y + spawnDistance * Math.Sin(angle)));
if (ServerTrySpawnMinion(spawnPosition) is { } spawnedMinion)
{
// spawned successfully!
minionsRequired--;
minionsList.Add(spawnedMinion);
}
}
ICharacter ServerTrySpawnMinion(Vector2Ushort spawnPosition)
{
var worldPosition = spawnPosition.ToVector2D();
if (physicsSpace.TestCircle(worldPosition,
spawnNoObstaclesCircleRadius,
CollisionGroups.Default,
sendDebugEvent: true).EnumerateAndDispose().Any())
{
// obstacles nearby
return(null);
}
var spawnedCharacter = Api.Server.Characters.SpawnCharacter(protoMinion, worldPosition);
if (spawnedCharacter is null)
{
return(null);
}
// write this boss' damage tracker into the minion character
// so any damage dealt to it will be counted in the winners ranking
var privateState = spawnedCharacter.GetPrivateState <ICharacterPrivateStateWithBossDamageTracker>();
privateState.DamageTracker = bossDamageTracker;
// start spawn animation
if (spawnedCharacter.ProtoGameObject is IProtoCharacterMob protoCharacterMob)
{
protoCharacterMob.ServerSetSpawnState(spawnedCharacter,
MobSpawnState.Spawning);
}
return(spawnedCharacter);
}
}