private static bool CheckSpawn(CritterSpawn spawn, bool onEntry)
{
// Must be in the right location.
var location = Game1.player.currentLocation;
if (location.Name != spawn.Location)
{
return(false);
}
// Random roll must succeed.
if (!(Game1.random.NextDouble() <
(onEntry ? spawn.ChanceOnEntry : spawn.ChanceOnTick)))
{
return(false);
}
// Conditions must hold.
if (!spawn.Conditions.check())
{
return(false);
}
// Roll for number of clusters to spawn.
int clusters = Game1.random.Next(spawn.MinClusters, spawn.MaxClusters + 1);
if (clusters < 1)
{
return(false);
}
// Spawn the clusters.
for (int i = 0; i < clusters; ++i)
{
SpawnCluster(spawn, location);
}
return(true);
}
private static void SpawnCluster(CritterSpawn spawn, GameLocation location)
{
// Randomly find a center position within the area.
Rectangle area = spawn.adjustArea(location);
int x = Game1.random.Next(area.Left, area.Right + 1);
int y = Game1.random.Next(area.Top, area.Bottom + 1);
Vector2 center = new (x, y);
// Roll for number of critters to spawn.
int count = Game1.random.Next(spawn.MinPerCluster, spawn.MaxPerCluster + 1);
if (count < 1)
{
return;
}
// Spawn the critters.
Monitor.Log($"Spawning cluster of up to {count} critter(s) in location '{location.Name}' around ({x},{y}).",
LogLevel.Trace);
foreach (Vector2 tile in Utility.getPositionsInClusterAroundThisTile(center, count))
{
// Don't veer off the map.
if (!location.isTileOnMap(tile))
{
continue;
}
// Tile must be clear, except allow water tiles with specified chance.
bool onWater = location.doesTileHaveProperty((int)tile.X, (int)tile.Y, "Water", "Back") != null;
if (!location.isTileLocationTotallyClearAndPlaceable(tile))
{
if (!onWater || !(Game1.random.NextDouble() < spawn.ChanceOnWater))
{
continue;
}
}
// Spawn the critter.
Critter critter = spawn.Type switch
{
CritterType.BrownBird =>
new Birdie((int)tile.X, (int)tile.Y, Birdie.brownBird),
CritterType.BlueBird =>
new Birdie((int)tile.X, (int)tile.Y, Birdie.blueBird),
CritterType.SpecialBlueBird =>
new Birdie((int)tile.X, (int)tile.Y, 125),
CritterType.SpecialRedBird =>
new Birdie((int)tile.X, (int)tile.Y, 135),
CritterType.Butterfly =>
new Butterfly(tile),
CritterType.IslandButterfly =>
new Butterfly(tile, true),
CritterType.CalderaMonkey =>
new CalderaMonkey(tile * 64f),
CritterType.Cloud =>
new Cloud(tile),
CritterType.Crab =>
new CrabCritter(tile * 64f),
CritterType.Crow =>
new Crow((int)tile.X, (int)tile.Y),
CritterType.Firefly =>
new Firefly(tile),
CritterType.Frog =>
new Frog(tile, waterLeaper: onWater, forceFlip: Game1.random.NextDouble() < 0.5),
CritterType.OverheadParrot =>
new OverheadParrot(tile * 64f),
CritterType.Owl =>
new Owl(tile * 64f),
CritterType.Rabbit =>
new Rabbit(tile, flip: Game1.random.NextDouble() < 0.5),
CritterType.Seagull =>
new Seagull(tile * 64f + new Vector2(32f, 32f), startingState: onWater ? 2 : 3),
CritterType.Squirrel =>
new Squirrel(tile, flip: Game1.random.NextDouble() < 0.5),
_ => null,
};
if (critter != null)
{
location.critters.Add(critter);
}
}
}
