/**
* <summary>
* Primary work method of this class, generating the entire world in
* the given HexMap.
*
* This will very likely be split into smaller methods in the near future.
* </summary>
*/
public void Generate()
{
List <Task> taskList = new List <Task>();
for (int i = 0; i < _world.Map.Landmasses.Count; i++)
{
Landmass mass = _world.Map.Landmasses[i];
List <Coords> allCoords = _world.Map.GetAllCoords();
LandmassExpander lEx = new LandmassExpander(_rand, _world.Map);
mass.Hexes = lEx.Expand(allCoords, mass.TotalHexes);
mass.TotalHexes = mass.Hexes.Count;
// Create shore/shallow water hexes adjacent to each hex of this landmass
foreach (Coords owned in mass.Hexes)
{
if (_world.Map.BordersOcean(owned))
{
List <Coords> shoreHexes = _world.Map.GetAdjacentOceanHexes(owned);
foreach (Coords shoreCoords in shoreHexes)
{
_world.Map.SetTypeAt(shoreCoords, Hex.HexType.Shore);
mass.ShoreHexes.Add(shoreCoords);
}
}
}
Task t = Task.Run(() => FillLandmass(mass));
taskList.Add(t);
}
Task.WaitAll(taskList.ToArray());
}
/**
* <summary>
* WorldGenerator constructor requires a HexMap, which will hold the
* world that is about to be generated.
*
* Does some basic setup, like determining how many landmasses will
* exist in the world and how many Hexes they should contain, but does
* not perform any actual generation.
* </summary>
* <param name="map">HexMap to generate a world in.</param>
*/
public WorldGenerator(World world, IRandomGen rand)
{
_rand = rand;
_world = world;
int worldTotal = (_world.Map.Width * _world.Map.Height);
double overallTotalDec = (double)worldTotal;
int totalLandHexes = (int)(overallTotalDec * WORLD_RATIO);
int remainingHexes = totalLandHexes;
var landmasses = new List <Landmass>();
int numLandmasses = _rand.GenerateInt(1, MAX_LANDMASSES);
for (int i = 0; i < numLandmasses; i++)
{
Landmass landmass = new Landmass(rand);
int massHexes;
if (i != numLandmasses - 1)
{
massHexes = _rand.GenerateInt(1, remainingHexes / 2);
}
else
{
massHexes = remainingHexes;
}
remainingHexes -= massHexes;
landmass.TotalHexes = landmass.RemainingHexes = massHexes;
landmasses.Add(landmass);
}
_world.Map.Landmasses = landmasses;
}
public RiverGen(IRandomGen rand, World world, Landmass landmass, int length)
{
_rand = rand;
_world = world;
_landmass = landmass;
_allCoords = new HashSet <Coords>();
_requestedLength = length;
}
public void GenerateRace()
{
if (_raceGen == null)
{
_raceGen = new RaceGen();
}
if (_raceGen.IsEmpty())
{
return;
}
Landmass mass = _world.Map.GetRandomLandmass();
AffinityMap massAffinity = _world.Map.GetAffinitiesForLandmass(mass);
Race genRace = _raceGen.GenerateRace(massAffinity);
Console.WriteLine("Rolled race: " + genRace);
Console.WriteLine(genRace.Affinities);
// arbitrarily low number to start with
int highest = -50;
// random coordinates as default
Coords candidate = mass.RandomCoords();
int tick = 0;
int tenPercent = mass.Count / 10;
bool tenPercentMore = false;
foreach (Coords coords in mass.CoordsFromRandomPoint())
{
if (tick >= tenPercent)
{
break;
}
AffinityMap hexAffinities = _world.Map.GetAffinitiesForCoords(coords);
int sim = genRace.Affinities.GetSimilarityTo(hexAffinities);
if (sim > highest)
{
highest = sim;
candidate = coords;
}
if (!tenPercentMore && highest > 0)
{
tenPercentMore = true;
}
if (tenPercentMore)
{
tick++;
}
}
Console.WriteLine("Placing at : " + candidate);
Console.WriteLine(_world.Map.GetAffinitiesForCoords(candidate));
Console.WriteLine("--> Final Score: " + highest);
Console.WriteLine("------------------");
_world.PlaceRaceAt(genRace, candidate);
}
public AffinityMap GetAffinitiesForLandmass(Landmass landmass)
{
if (!Landmasses.Contains(landmass))
{
throw new KeyNotFoundException("Tried to get affinities for a landmass that is not in this HexMap.");
}
if (landmass.Affinities == null)
{
var totalAffinityScore = new Dictionary <string, int>();
foreach (Coords coords in landmass.Hexes)
{
Hex hex = GetHexAt(coords);
AffinityMap affinities = hex.Affinities;
foreach (var aspect in affinities.AspectList)
{
if (!totalAffinityScore.ContainsKey(aspect))
{
totalAffinityScore[aspect] = 0;
}
totalAffinityScore[aspect] += affinities.GetAffinity(aspect);
}
}
AffinityMap newAffinityMap = new AffinityMap(_rand);
foreach (var aspect in totalAffinityScore.Keys)
{
int score = totalAffinityScore[aspect];
int affinity = score / landmass.TotalHexes;
// don't allow 0 here; just weak affinities
if (affinity == 0)
{
affinity = (score > 0) ? 1 : -1;
}
newAffinityMap.SetAffinity(aspect, affinity);
}
landmass.Affinities = newAffinityMap;
}
return(landmass.Affinities);
}
private void FillLandmass(Landmass mass)
{
// Elevation
// Pick a number of passes; a range of the total number of
// elements in the enum works best
int passes = _rand.GenerateInt(1, 5);
List <Coords> eleHexes = new List <Coords>(mass.Hexes);
HeightExpander hEx = new HeightExpander(_rand, _world.Map);
LayeredExpansion layered = new LayeredExpansion(_rand, hEx, eleHexes, 0.6, 0.8);
layered.Expand(passes);
// Rivers
int totalRiverHexes = mass.TotalHexes / 20;
int remainingHexes = totalRiverHexes;
while (remainingHexes > 0)
{
if (remainingHexes == 1)
{
break;
}
int riverLength = _rand.GenerateInt(2, remainingHexes);
RiverGen rgen = new RiverGen(_rand, _world, mass, riverLength);
int genLength = rgen.Generate();
if (genLength > 1)
{
remainingHexes -= genLength;
rgen.Commit();
_world.Rivers.Add(rgen.GenRiver);
}
}
// Temperature
SetTemperatures();
// Humidity
passes = _rand.GenerateInt(1, 5);
List <Coords> humiHexes = new List <Coords>(mass.Hexes);
HumidityExpander humEx = new HumidityExpander(_rand, _world.Map);
layered = new LayeredExpansion(_rand, humEx, humiHexes, 0.6, 0.8);
layered.Expand(passes);
// Biomes
BiomeExpander bioEx;
List <Coords> bioHexes = new List <Coords>(mass.Hexes);
int tenPercent = mass.TotalHexes / 10;
while (bioHexes.Count > 0)
{
int expandThisRound = bioHexes.Count;
if (expandThisRound > tenPercent)
{
double fraction = _rand.GenerateDouble() / 2.0;
expandThisRound = (int)(expandThisRound * fraction);
}
bioEx = new BiomeExpander(_rand, _world.Map, _world.Biomes);
var placedCoords = bioEx.Expand(bioHexes, expandThisRound);
bioHexes.RemoveAll(x => placedCoords.Contains(x));
}
}