public void MoveSnakeParts(LinkedList <SnakePart> snakeParts, MapManager mm)
{
LinkedListNode <SnakePart> snakeHead = snakeParts.Last;
Tile destinationTile = mm.GetTileInFrontOfSnakePart(snakeHead.Value);
Tile currentTile = mm.GetTileWithItem(snakeParts.First.Value);
mm.PlaceItemOnTile(currentTile, null);
for (LinkedListNode <SnakePart> snakePartNode = snakeParts.First; snakePartNode != null;)
{
LinkedListNode <SnakePart> nextSnakePartNode = snakePartNode.Next;
if (nextSnakePartNode != null)
{
// Move snakePart forward to take the tile of the next snakePart
MoveSnakePartToTileOfNextSnakePart(mm, snakePartNode.Value, nextSnakePartNode.Value);
}
else
{
//Moves snakehead to destination
MoveSnakeHeadToDestinationTile(mm, destinationTile, snakePartNode.Value);
}
snakePartNode = nextSnakePartNode;
}
if (ShouldGrow)
{
GrowSnake(mm);
}
HandleCollision(mm.GetTileInFrontOfSnakePart(snakeHead.Value));
}
void MoveSnakeHeadToDestinationTile(MapManager mm, Tile destinationTile, SnakePart snakeHead)
{
if (destinationTile == null)
{
throw new Exception("destinationTile is null");
}
mm.PlaceItemOnTile(destinationTile, snakeHead);
}
public void AddSnakeToMap(MapManager mm)
{
SnakePart snakeTail = snakeParts.First();
mm.PlaceItemOnTile(mm.GetCenterTile(), snakeTail);
for (LinkedListNode <SnakePart> currentNode = snakeParts.First; currentNode != null;)
{
LinkedListNode <SnakePart> nextNode = currentNode.Next;
if (nextNode != null)
{
Tile tile = mm.GetTileInFrontOfSnakePart(currentNode.Value);
mm.PlaceItemOnTile(tile, nextNode.Value);
}
currentNode = nextNode;
}
}
public Food SpawnFoodOnTile(MapManager mm)
{
int range = random.Next(foodies.Count());
Food foodie = foodies.ElementAt(range);
mm.PlaceItemOnTile(mm.GetRandomTile(), foodie);
foodie.MIsEaten = false;
return(foodie);
}
void MoveSnakePartToTileOfNextSnakePart(MapManager mm, SnakePart snakePart, SnakePart nextSnakePart)
{
Tile nextTile = mm.GetTileWithItem(nextSnakePart);
if (nextTile == null)
{
throw new Exception("nextTile is null");
}
mm.PlaceItemOnTile(nextTile, snakePart);
snakePart.SetSnakePartDirection(nextSnakePart.GetSnakeDirection().GetCurrentDirection());
}
void GrowSnake(MapManager mm)
{
snake.AddSnakePart();
mm.PlaceItemOnTile(mm.GetTileBehindSnakePart(snake.GetSnakePart(1)), snake.GetSnakePart(0));
ShouldGrow = false;
}
