private Board CreateBoard(Settings settings)
{
var board = new Board
{
Size = new Location {
X = settings.Width, Y = settings.Height
},
Tiles = new Tile[settings.Width, settings.Height],
Pieces = new List <IPiece>(),
//MaxAge = settings.MaxAge
};
int xpos = 0;
int ypos = 0;
for (int i = 0; i < settings.Width * settings.Height; i++)
{
var grass = new Grass
{
Location = new Location {
X = xpos, Y = ypos
},
Energy = Rando.Next(50) //+ 50
};
board.Tiles[xpos, ypos] = new nimble_life.Tile
{
Grass = grass,
Location = new Location {
X = xpos, Y = ypos
}
};
if (Rando.Next(settings.OneInThisIsHerby) == 1)
{
var herby = new Herbivore()
{
Location = new nimble_life.Location {
X = xpos, Y = ypos
},
Energy = Rando.Next(75),
Species = "Electric Sheep",
Color = System.Drawing.Color.Black,
Age = Rando.Next(30),
AgeOfMaturity = Settings.AgeOfMaturity,
Genes = new Dictionary <string, float>()
};
herby.Genes = Clone(greatestGenes);
board.Pieces.Add(herby);
board.Tiles[xpos, ypos].Animal = herby;
}
else if (Rando.Next(settings.OneInThisIsRobot) == 1)
{
var robby = new Robot()
{
Location = new nimble_life.Location {
X = xpos, Y = ypos
},
Energy = Rando.Next(75),
Species = "Robot",
Color = System.Drawing.Color.Black,
Age = Rando.Next(30),
AgeOfMaturity = Settings.AgeOfMaturity,
Genes = new Dictionary <string, float>()
};
robby.Genes = Clone(greatestGenes);
board.Pieces.Add(robby);
board.Tiles[xpos, ypos].Animal = robby;
}
xpos++;
if (xpos >= settings.Width)
{
xpos = 0;
ypos++;
}
}
return(board);
}
public IPiece TakeTurn(Board board)
{
if (this.IsDead)
{
return(null);
}
IPiece result = null;
var moveDone = false;
var currentTile = board.Tiles[this.Location.X, this.Location.Y];
var neighbors = board.GetNeighbors(this.Location.X, this.Location.Y);
var bestNeighbor = currentTile;
foreach (var t in neighbors)
{
if (t.Animal == null && t.Grass.Energy > bestNeighbor.Grass.Energy)
{
bestNeighbor = t;
}
}
if (!moveDone && bestNeighbor != currentTile &&
(bestNeighbor.Grass.Energy > this.Genes[hg.WorthMovingTo.ToString()]))
{
// Move to it!
currentTile.Animal = null;
bestNeighbor.Animal = this;
this.Location.X = bestNeighbor.Location.X;
this.Location.Y = bestNeighbor.Location.Y;
this.Energy -= 5; //TAKES energy to move...
currentTile = board.Tiles[this.Location.X, this.Location.Y];
moveDone = true;
}
else
{
// Takes energy to stand still!
this.Energy -= 1;
}
if (!moveDone && currentTile.Grass.Energy > 15 && this.Energy < 100)
{
// Chew some.
currentTile.Grass.Energy -= 15;
this.Energy += 10; // Note inefficiency
}
this.Energy = Math.Min(100, this.Energy);
// Consider trying to mate...
if (Rando.Next() < this.Genes[hg.MatingProbability.ToString()] &&
this.Age >= this.AgeOfMaturity)
{
var hottestNeighbor = this as IAnimal;
foreach (var t in neighbors)
{
if (t.Animal != null &&
t.Animal.Species == this.Species && // picky
t.Animal.IsDead == false && // picky!
t.Animal.Age > t.Animal.AgeOfMaturity && // picky
t.Animal.Energy >= hottestNeighbor.Energy) //picky
{
hottestNeighbor = t.Animal;
}
}
if (hottestNeighbor != this) // picky
{
if (hottestNeighbor.MatingOffers == null)
{
hottestNeighbor.MatingOffers = new List <IAnimal>();
}
// swipe right
hottestNeighbor.MatingOffers.Add(this);
}
}
if (this.MatingOffers != null && this.Energy > this.Genes[hg.EnergyRequiredBeforeConsideringOffspring.ToString()])
{
var bestOffer = this.MatingOffers
.Where(p =>
p.IsDead == false &&
p.Species == this.Species &&
p.Age > p.AgeOfMaturity)
.OrderByDescending(p => p.Energy).FirstOrDefault();
if (bestOffer != null)
{
// Find an empty neighboring square to plonk a baby on...
bestNeighbor = null;
foreach (var t in neighbors)
{
if (t.Animal == null &&
(bestNeighbor == null || t.Grass.Energy > bestNeighbor.Grass.Energy) &&
t.Grass.Energy > this.Genes[hg.MinFoodAvailableForBaby.ToString()]) // what kind of a world are we bringing this child into...
{
bestNeighbor = t;
}
}
if (bestNeighbor != null)
{
var baby = new Herbivore
{
Species = this.Species,
Energy = (int)(this.Energy * this.Genes[hg.EnergyToBaby.ToString()]),
Age = 0,
AgeOfMaturity = this.AgeOfMaturity,
Genes = new Dictionary <string, float>()
};
var MaxMutationFactor = this.Genes[hg.MaxMutationFactor.ToString()];
foreach (var d in this.Genes.Keys)
{
var mutationFactor = (float)1 + (float)((Rando.Next() * MaxMutationFactor) - (MaxMutationFactor / 2));
// Cross over and mutation
baby.Genes[d] = Rando.Either(bestOffer.Genes[d], this.Genes[d]) * mutationFactor;
}
// Having babies really takes something out of you.
this.Energy -= baby.Energy;
baby.Location = new Location()
{
X = bestNeighbor.Location.X,
Y = bestNeighbor.Location.Y
};
bestNeighbor.Animal = baby;
result = baby;
// Get rid of all mating offers.
this.MatingOffers = null;
}
else
{
Debug.WriteLine("No empty tile found.");
}
}
}
// shade of gray depends on energy levels
var gray = Math.Max(0, Math.Min((int)(Energy * (256.0 / 100.0)), 255));
this.Color = Color.FromArgb(gray, gray, gray);
return(result);
}
