/// <summary>
/// Replace the specified old entity with the new in the specified forest.
/// </summary>
/// <param name="forest"></param>
/// <param name="newEntity"></param>
/// <param name="oldEntity"></param>
protected virtual void ReplaceEntity(Forest forest, ForestEntity newEntity, ForestEntity oldEntity)
{
// Remove the old entity from its current location.
forest.RemoveEntity(newEntity);
newEntity.Location = oldEntity.Location;
forest.AddEntity(newEntity);
}
/// <summary>
/// Attempt to spread a sapling from the tree.
/// </summary>
/// <param name="forest"></param>
/// <param name="currentTick"></param>
protected virtual void SpreadSapling(Forest forest, long currentTick)
{
// With a 10% chance, create a sapling at an adjacent empty space.
if (_r.Next(100) / 100.0f < SaplingProbability)
{
ForestEntity[] adj = GetAdjacentEntities(forest);
ForestEntity firstEmpty = adj.FirstOrDefault((e) => e.IsEmpty);
if (firstEmpty != null)
{
// First empty space. Create a sapling here.
Sapling sapling = new Sapling();
sapling.Location = firstEmpty.Location;
forest.AddEntity(sapling);
}
}
}
protected override void DoTick(Forest forest, long currentTick)
{
for (int i = 0; i < _movesPerMonth; i++)
{
ForestEntity[] adj = GetAdjacentEntities(forest);
ForestEntity pickedEntity = adj[_r.Next(adj.Length)];
// Lumberjacks will chop down trees, but only if they're not saplings.
if (typeof(Tree).IsAssignableFrom(pickedEntity.GetType()) && !(pickedEntity is Sapling))
{
Tree tree = (Tree)pickedEntity;
_logs += tree.Chop();
ReplaceEntity(forest, this, tree);
break;
}
else if (pickedEntity.IsEmpty)
{
// Move here if its an empty location.
ReplaceEntity(forest, this, pickedEntity);
}
}
}
protected override void DoTick(Forest forest, long currentTick)
{
for (int i = 0; i < _movesPerMonth; i++)
{
ForestEntity[] adj = GetAdjacentEntities(forest);
ForestEntity pickedEntity = adj[_r.Next(adj.Length)];
// Bears will maw lumberjacks if they come across them.
if (typeof(LumberJack).IsAssignableFrom(pickedEntity.GetType()))
{
LumberJack l = (LumberJack)pickedEntity;
Maulings++;
ReplaceEntity(forest, this, l);
break;
}
else if (pickedEntity.IsEmpty)
{
// Move here if its an empty location.
ReplaceEntity(forest, this, pickedEntity);
}
}
}