public void SetupMap(double PerlinDiff, double Seed, double HeightBias, double Zoom)
{
map = new MapTile[width, height];
PerlinNoise p = new PerlinNoise();
//Generate tiles
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
//Map generation
//Calculate perlin
double mHeight = p.perlin(x * PerlinDiff, y * PerlinDiff, Seed);
//Modify perlin value for more extremes
mHeight = mHeight * Zoom - HeightBias;
mHeight = mHeight < 0 ? 0 : mHeight; //Remove negative values
mHeight = mHeight > 1 ? 1 : mHeight; //Remove values larger than 1
MapTileTypeEnum mapTileEnum = MapTileTypeEnum.land;
if (mHeight < 0.2)
{
mapTileEnum = MapTileTypeEnum.deepWater;
}
else if (mHeight < 0.4)
{
mapTileEnum = MapTileTypeEnum.shallowWater;
}
else if (mHeight < 0.6)
{
mapTileEnum = MapTileTypeEnum.land;
}
else if (mHeight < 0.8)
{
mapTileEnum = MapTileTypeEnum.hill;
}
else if (mHeight <= 1.0)
{
mapTileEnum = MapTileTypeEnum.mountain;
}
map[x, y] = new MapTile(new Point(x, y), new MapTileType
{
type = mapTileEnum
}, mHeight);
}
}
//Add neighbours as they are now initialised
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
map[x, y].GetNeighbours(this);
}
}
//Generate continents
int counter = 0;
Random colorGenerator = new Random();
continents = new List <Continent>();
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
if (map[x, y].continent == null)
{
Continent continent = new Continent();
map = continent.NewContinent(this, new Point(x, y), counter++.ToString(), colorGenerator).map;
continents.Add(continent);
}
}
}
//Find largest land continent for road TODO: Do this for all continents of certain size
int maxSize = 0;
Continent maxContinent = new Continent();
foreach (Continent continent in continents)
{
if (continent.Type == MapTileTypeEnum.land && maxSize < continent.tiles.Count)
{
maxSize = continent.tiles.Count;
maxContinent = continent;
}
}
maxContinent.color = Color.Black;
//TODO: For edges in continents find all the different zones, not only side
//TODO: Create a road between each of the zones
goals = new List <MapTile>();
while (true)
{
if (maxContinent.edges.top.Count != 0)
{
MapTile toAdd = maxContinent.edges.top[colorGenerator.Next(maxContinent.edges.top.Count)];
if (!goals.Contains(toAdd))
{
goals.Add(toAdd);
break;
}
}
else
{
break;
}
}
while (true)
{
if (maxContinent.edges.bottom.Count != 0)
{
MapTile toAdd = maxContinent.edges.bottom[colorGenerator.Next(maxContinent.edges.bottom.Count)];
if (!goals.Contains(toAdd))
{
goals.Add(toAdd);
break;
}
}
else
{
break;
}
}
while (true)
{
if (maxContinent.edges.left.Count != 0)
{
MapTile toAdd = maxContinent.edges.left[colorGenerator.Next(maxContinent.edges.left.Count)];
if (!goals.Contains(toAdd))
{
goals.Add(toAdd);
break;
}
}
else
{
break;
}
}
while (true)
{
if (maxContinent.edges.right.Count != 0)
{
MapTile toAdd = maxContinent.edges.right[colorGenerator.Next(maxContinent.edges.right.Count)];
if (!goals.Contains(toAdd))
{
goals.Add(toAdd);
break;
}
}
else
{
break;
}
}
//Skip code to create path when there are to few goals
if (goals.Count <= 1)
{
return;
}
for (int x = 0; x <= map.GetUpperBound(0); x++)
{
for (int y = 0; y <= map.GetUpperBound(1); y++)
{
map[x, y].InitialiseDistances(goals.Count);
map[x, y].GoalIDs = goals.ConvertAll(g => g.id).ToArray();
for (int i = 0; i < goals.Count; i++)
{
map[x, y].Costs[i] = -1;
}
}
}
CalculateCost(ref map);
//Path creation
List <MapTile> toDraw = new List <MapTile>(goals);
int positionsLength = toDraw.Count;
IEnumerable <IEnumerable <int> > rawPossibilites = GetPermutations(Enumerable.Range(0, positionsLength).ToList(), positionsLength);
List <List <int> > possibilites = rawPossibilites.ToList().ConvertAll(i => i.ToList());
//Save shortest path
double shortestLength = double.MaxValue;
MapTile[] shortestGoals = new MapTile[positionsLength];
//Calculate the length of each path option
foreach (IEnumerable <int> possibility in possibilites)
{
//Generate order
MapTile[] order = new MapTile[positionsLength];
foreach (int index in possibility)
{
order[index] = toDraw[index];
}
//Initialise variables for path finding
//Copy map
MapTile[,] localMap = new MapTile[map.GetUpperBound(0) + 1, map.GetUpperBound(1) + 1];
for (int x = 0; x <= map.GetUpperBound(0); x++)
{
for (int y = 0; y <= map.GetUpperBound(1); y++)
{
localMap[x, y] = (MapTile)map[x, y].Clone();
}
}
double length = 0;
List <MapTile> localGoals = order.ToList();
localGoals.RemoveAt(0);
//Calculate path length
FindPath(order.ToList(), ref localMap, ref length, localGoals.ToArray());
//Check if shortest
if (length < shortestLength)
{
shortestLength = length;
shortestGoals = order;
}
}
//Draw path
pathLength = 0;
//This is starting position
toDraw.Remove(goals[0]);
FindPath(shortestGoals.ToList(), ref map, ref pathLength, goals.ToArray());
//Clean up path
//CleanPath();
}
public Map NewContinent(Map map, Point point, string ID, Random rng)
{
color = Color.FromArgb(100, rng.Next(255), rng.Next(255), rng.Next(255));
id = ID;
MapTile activeTile = map.map[point.X, point.Y];
Type = activeTile.type.type;
map.map[point.X, point.Y].isBeingChecked = true;
toCheck = new List <MapTile>();
tiles = new List <MapTile>();
//Find tiles
while (true)
{
//Add new tiles to continent
List <MapTile> neighbours = activeTile.neighbours.GetSameType(Type);
if (neighbours.Count != 0)
{
foreach (MapTile tile in neighbours)
{
map.map[tile.position.X, tile.position.Y].isBeingChecked = true;
}
toCheck.AddRange(neighbours);
}
tiles.Add(map.map[activeTile.position.X, activeTile.position.Y]);
map.map[activeTile.position.X, activeTile.position.Y].continent = this;
//Choose new tile
if (toCheck.Count != 0)
{
activeTile = toCheck[0];
toCheck.RemoveAt(0);
}
//End
else
{
break;
}
}
//Find edges
List <MapTile> top = new List <MapTile>();
List <MapTile> bottom = new List <MapTile>();
List <MapTile> left = new List <MapTile>();
List <MapTile> right = new List <MapTile>();
foreach (MapTile tile in tiles)
{
if (tile.position.X == 0)
{
left.Add(tile);
}
if (tile.position.X == map.map.GetUpperBound(0))
{
right.Add(tile);
}
if (tile.position.Y == 0)
{
top.Add(tile);
}
if (tile.position.Y == map.map.GetUpperBound(1))
{
bottom.Add(tile);
}
}
edges = new EdgeArray(top.ToArray(), bottom.ToArray(), left.ToArray(), right.ToArray());
return(map);
}