// This is triggered synchronously after the import work to ensure the RNG remains consistent
internal void ApplyRandomization()
{
foreach (TR2CombinedLevel level in _enemyMapping.Keys)
{
if (!level.IsAssault)
{
EnemyTransportCollection importedCollection = null;
foreach (EnemyTransportCollection enemies in _enemyMapping[level])
{
if (enemies.ImportResult)
{
importedCollection = enemies;
break;
}
}
if (importedCollection == null)
{
// Cross-level was not possible with the enemy combinations. This could be due to either
// a lack of space for texture packing, or the max ObjectTexture count (2048) was reached.
_outer.TextureMonitor.RemoveMonitor(level.Name);
// And just randomize normally
// TODO: maybe trigger a warning to display at the end of randomizing to say that cross-
// level was not possible?
_outer.RandomizeEnemiesNatively(level);
//System.Diagnostics.Debug.WriteLine(level.Name + ": Native enemies");
}
else
{
// The import worked, so randomize the entities based on what we now have in place.
//System.Diagnostics.Debug.WriteLine(level.Name + ": " + string.Join(", ", importedCollection.EntitiesToImport));
EnemyRandomizationCollection enemies = new EnemyRandomizationCollection
{
Available = importedCollection.EntitiesToImport,
Droppable = TR2EntityUtilities.FilterDroppableEnemies(importedCollection.EntitiesToImport, !_outer.ProtectMonks),
Water = TR2EntityUtilities.FilterWaterEnemies(importedCollection.EntitiesToImport)
};
if (_outer.DocileBirdMonsters && importedCollection.BirdMonsterGuiser != TR2Entities.BirdMonster)
{
_outer.DisguiseEntity(level, importedCollection.BirdMonsterGuiser, TR2Entities.BirdMonster);
enemies.BirdMonsterGuiser = importedCollection.BirdMonsterGuiser;
}
_outer.RandomizeEnemies(level, enemies);
}
_outer.SaveLevel(level);
}
if (!_outer.TriggerProgress())
{
break;
}
}
}
private void RandomizeEnemies(TR2CombinedLevel level, EnemyRandomizationCollection enemies)
{
bool shotgunGoonSeen = level.Is(LevelNames.HOME); // 1 ShotgunGoon in HSH only
bool dragonSeen = level.Is(LevelNames.LAIR); // 1 Marco in DL only
// Get a list of current enemy entities
List <TR2Entity> enemyEntities = level.GetEnemyEntities();
// Keep track of any new entities added (e.g. Skidoo)
List <TR2Entity> newEntities = new List <TR2Entity>();
// #148 If it's HSH and we have been able to import cross-level, we will add 15
// dogs outside the gate to ensure the kill counter works. Dogs, Goon1 and
// StickGoons will have been excluded from the cross-level pool for simplicity
// Their textures will have been removed but they won't spawn anyway as we aren't
// defining triggers - the game only needs them to be present in the entity list.
if (level.Is(LevelNames.HOME) && !enemies.Available.Contains(TR2Entities.Doberman))
{
for (int i = 0; i < 15; i++)
{
newEntities.Add(new TR2Entity
{
TypeID = (short)TR2Entities.Doberman,
Room = 85,
X = 61919,
Y = 2560,
Z = 74222,
Angle = 16384,
Flags = 0,
Intensity1 = -1,
Intensity2 = -1
});
}
}
// First iterate through any enemies that are restricted by room
Dictionary <TR2Entities, List <int> > enemyRooms = EnemyUtilities.GetRestrictedEnemyRooms(level.Name);
if (enemyRooms != null)
{
foreach (TR2Entities entity in enemyRooms.Keys)
{
if (!enemies.Available.Contains(entity))
{
continue;
}
List <int> rooms = enemyRooms[entity];
int maxEntityCount = EnemyUtilities.GetRestrictedEnemyLevelCount(entity);
if (maxEntityCount == -1)
{
// We are allowed any number, but this can't be more than the number of unique rooms,
// so we will assume 1 per room as these restricted enemies are likely to be tanky.
maxEntityCount = rooms.Count;
}
else
{
maxEntityCount = Math.Min(maxEntityCount, rooms.Count);
}
// Pick an actual count
int enemyCount = _generator.Next(1, maxEntityCount + 1);
for (int i = 0; i < enemyCount; i++)
{
// Find an entity in one of the rooms that the new enemy is restricted to
TR2Entity targetEntity = null;
do
{
int room = enemyRooms[entity][_generator.Next(0, enemyRooms[entity].Count)];
targetEntity = enemyEntities.Find(e => e.Room == room);
}while (targetEntity == null);
targetEntity.TypeID = (short)TR2EntityUtilities.TranslateEntityAlias(entity);
// #146 Ensure OneShot triggers are set for this enemy if needed
EnemyUtilities.SetEntityTriggers(level.Data, targetEntity);
// Remove the target entity so it doesn't get replaced
enemyEntities.Remove(targetEntity);
}
// Remove this entity type from the available rando pool
enemies.Available.Remove(entity);
}
}
foreach (TR2Entity currentEntity in enemyEntities)
{
TR2Entities currentEntityType = (TR2Entities)currentEntity.TypeID;
TR2Entities newEntityType = currentEntityType;
// If it's an existing enemy that has to remain in the same spot, skip it
if (EnemyUtilities.IsEnemyRequired(level.Name, currentEntityType))
{
continue;
}
//#45 - Check to see if any items are at the same location as the enemy.
//If there are we need to ensure that the new random enemy type is one that can drop items.
List <TR2Entity> sharedItems = new List <TR2Entity>(Array.FindAll
(
level.Data.Entities,
e =>
(
e.X == currentEntity.X &&
e.Y == currentEntity.Y &&
e.Z == currentEntity.Z
)
));
//Do multiple entities share one location?
bool isPickupItem = false;
if (sharedItems.Count > 1 && enemies.Droppable.Count != 0)
{
//Are any entities sharing a location a droppable pickup?
foreach (TR2Entity ent in sharedItems)
{
TR2Entities entType = (TR2Entities)ent.TypeID;
isPickupItem = TR2EntityUtilities.IsUtilityType(entType) ||
TR2EntityUtilities.IsGunType(entType) ||
TR2EntityUtilities.IsKeyItemType(entType);
if (isPickupItem)
{
break;
}
}
//Generate a new type
newEntityType = enemies.Available[_generator.Next(0, enemies.Available.Count)];
//Do we need to ensure the enemy can drop the item on the same tile?
if (!TR2EntityUtilities.CanDropPickups(newEntityType, !ProtectMonks) && isPickupItem)
{
//Ensure the new random entity can drop pickups
newEntityType = enemies.Droppable[_generator.Next(0, enemies.Droppable.Count)];
}
}
else
{
//Generate a new type
newEntityType = enemies.Available[_generator.Next(0, enemies.Available.Count)];
}
short roomIndex = currentEntity.Room;
TR2Room room = level.Data.Rooms[roomIndex];
if (level.Is(LevelNames.DA) && roomIndex == 77)
{
// Make sure the end level trigger isn't blocked by an unkillable enemy
while (TR2EntityUtilities.IsHazardCreature(newEntityType) || (ProtectMonks && TR2EntityUtilities.IsMonk(newEntityType)))
{
newEntityType = enemies.Available[_generator.Next(0, enemies.Available.Count)];
}
}
if (TR2EntityUtilities.IsWaterCreature(currentEntityType) && !TR2EntityUtilities.IsWaterCreature(newEntityType))
{
// Check alternate rooms too - e.g. rooms 74/48 in 40 Fathoms
short roomDrainIndex = -1;
if (room.ContainsWater)
{
roomDrainIndex = roomIndex;
}
else if (room.AlternateRoom != -1 && level.Data.Rooms[room.AlternateRoom].ContainsWater)
{
roomDrainIndex = room.AlternateRoom;
}
if (roomDrainIndex != -1 && !level.PerformDraining(roomDrainIndex))
{
// Draining cannot be performed so make the entity a water creature.
// The list of provided water creatures will either be those native
// to this level, or if randomizing cross-level, a pre-check will
// have already been performed on draining so if it's not possible,
// at least one water creature will be available.
newEntityType = enemies.Water[_generator.Next(0, enemies.Water.Count)];
}
}
// Ensure that if we have to pick a different enemy at this point that we still
// honour any pickups in the same spot.
List <TR2Entities> enemyPool = isPickupItem ? enemies.Droppable : enemies.Available;
if (newEntityType == TR2Entities.ShotgunGoon && shotgunGoonSeen) // HSH only
{
while (newEntityType == TR2Entities.ShotgunGoon)
{
newEntityType = enemyPool[_generator.Next(0, enemyPool.Count)];
}
}
if (newEntityType == TR2Entities.MarcoBartoli && dragonSeen) // DL only, other levels use quasi-zoning for the dragon
{
while (newEntityType == TR2Entities.MarcoBartoli)
{
newEntityType = enemyPool[_generator.Next(0, enemyPool.Count)];
}
}
// If we are restricting count per level for this enemy and have reached that count, pick
// someting else. This applies when we are restricting by in-level count, but not by room
// (e.g. Winston).
int maxEntityCount = EnemyUtilities.GetRestrictedEnemyLevelCount(newEntityType);
if (maxEntityCount != -1)
{
if (level.Data.Entities.ToList().FindAll(e => e.TypeID == (short)newEntityType).Count == maxEntityCount)
{
TR2Entities tmp = newEntityType;
while (newEntityType == tmp)
{
newEntityType = enemyPool[_generator.Next(0, enemyPool.Count)];
}
}
}
// #158 Several entity freezing issues have been found with various enemy
// combinations in Barkhang, so for now all Mercenary1 and MonkWithLongStick
// entities must remain in place, and no additional ones should be added.
if (level.Is(LevelNames.MONASTERY))
{
while (EnemyUtilities.IsEnemyRequired(level.Name, newEntityType))
{
newEntityType = enemyPool[_generator.Next(0, enemyPool.Count)];
}
}
// #144 Disguise something as the Chicken. Pre-checks will have been done to ensure
// the guiser is suitable for the level.
if (DocileBirdMonsters && newEntityType == TR2Entities.BirdMonster)
{
newEntityType = enemies.BirdMonsterGuiser;
}
// Make sure to convert BengalTiger, StickWieldingGoonBandana etc back to their actual types
currentEntity.TypeID = (short)TR2EntityUtilities.TranslateEntityAlias(newEntityType);
// #146 Ensure OneShot triggers are set for this enemy if needed. This currently only applies
// to the dragon, which will be handled above in defined rooms, but the check should be made
// here in case this needs to be extended later.
EnemyUtilities.SetEntityTriggers(level.Data, currentEntity);
}
// MercSnowMobDriver relies on RedSnowmobile so it will be available in the model list
if (!level.Is(LevelNames.TIBET))
{
TR2Entity mercDriver = level.Data.Entities.ToList().Find(e => e.TypeID == (short)TR2Entities.MercSnowmobDriver);
if (mercDriver != null)
{
short room, angle;
int x, y, z;
// we will only spawn one skidoo, so only need one random location
Location randomLocation = VehicleUtilities.GetRandomLocation(level.Name, TR2Entities.RedSnowmobile, _generator);
if (randomLocation != null)
{
room = (short)randomLocation.Room;
x = randomLocation.X;
y = randomLocation.Y;
z = randomLocation.Z;
angle = randomLocation.Angle;
}
else
{
// if the level does not have skidoo locations for some reason, just spawn it on the MercSnowMobDriver
room = mercDriver.Room;
x = mercDriver.X;
y = mercDriver.Y;
z = mercDriver.Z;
angle = mercDriver.Angle;
}
newEntities.Add(new TR2Entity
{
TypeID = (short)TR2Entities.RedSnowmobile,
Room = room,
X = x,
Y = y,
Z = z,
Angle = angle,
Flags = 0,
Intensity1 = -1,
Intensity2 = -1
});
}
}
// Did we add any new entities?
if (newEntities.Count > 0)
{
List <TR2Entity> levelEntities = level.Data.Entities.ToList();
levelEntities.AddRange(newEntities);
level.Data.Entities = levelEntities.ToArray();
level.Data.NumEntities = (uint)levelEntities.Count;
}
}
