private void _doMigration(Lair lair, HexData hex)
{
if (lair.IsRuins())
{
return;
}
string record = "The " + lair.HomeCiv.GetPluralName()
+ " are migrating to a new home.";
lair.HomeCiv.History.addRecord(record);
HexData targetHex;
do
{
int migrationDirection = _dice.Roll(1, 6);
var neighborLocation =
hex.FindNeighborByIndex(migrationDirection);
targetHex =
_worldMap.GetHexByCoordinates(neighborLocation);
} while (targetHex is null);
int subHexIndex = _dice.Roll(1, HexData.SUB_HEXES);
var existingLair = targetHex.GetLairAtLocation(subHexIndex);
if (existingLair is null)
{
// Free real estate!
var newLair = new Lair();
newLair.InitializeAsSettlerLair(lair.HomeCiv, subHexIndex,
targetHex);
targetHex.LairList.Add(newLair);
lair.ForceAbandon();
// move the treasure
newLair.Treasure = lair.Treasure;
lair.Treasure = 0;
return;
}
// Going to have to fight for the space.
var battle = new Battle(_worldMap);
battle.ResolveBattle(hex, targetHex, lair, existingLair);
}
/// <summary>
/// Determines the number of edges of the hex that fall outside the
/// existing map.
/// </summary>
/// <param name="hex"></param>
/// <returns></returns>
public int NumberOutsideEdges(HexData hex)
{
int numOuterEdges = 0;
for (int i = 0; i < 6; ++i)
{
int index = i + 1;
var neighborCoords = hex.FindNeighborByIndex(index);
var neighbor = GetHexByCoordinates(neighborCoords.Item1,
neighborCoords.Item2);
if (neighbor == null)
{
++numOuterEdges;
}
}
return(numOuterEdges);
}
/// <summary>
/// Losers of a battle will try to search their home hex for a like
/// race to join, or and adjacent hex if that fails.
/// If that fails, they are eliminated.
/// </summary>
/// <param name="losers"></param>
/// <param name="loserHome"></param>
/// <param name="baseName">The name of the home base that the refugees
/// just left. They can't go back here.</param>
void MoveLosers(Civilization losers, HexData loserHome,
string baseName)
{
bool isFoundHex = RefugeesSearchHex(losers, loserHome, baseName);
if (isFoundHex)
{
return;
}
int nextIndex = _dice.Roll(1, 6);
bool isFound = false;
for (int i = 0; i < 6; ++i)
{
++nextIndex;
if (nextIndex > 6)
{
nextIndex = 1;
}
var nextCoords = loserHome.FindNeighborByIndex(nextIndex);
var nextHex = _worldMap.GetHexByCoordinates(nextCoords.Item1,
nextCoords.Item2);
if (nextHex is null)
{
continue;
}
isFound = RefugeesSearchHex(losers, nextHex, baseName);
if (isFound)
{
break;
}
}
if (isFound)
{
return;
}
// no available place to go!
string report = "The " + losers.GetPluralName()
+ " could not find refuge.";
losers.History.addRecord(report);
losers.DissolvePopulation();
}