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>
/// The main battle resolution
/// Combatants must come from a lair in a hex.
/// </summary>
/// <param name="attackerLands"></param>
/// <param name="defenderLands"></param>
/// <param name="attackerBase"></param>
/// <param name="defenderBase"></param>
public void ResolveBattle(HexData attackerLands, HexData defenderLands,
Lair attackerBase, Lair defenderBase)
{
if (attackerBase.IsRuins())
{
// no attackers! do not pass!
AttackerState = CombatantState.COMBATANT_STATE_ELIMINATED;
return;
}
Civilization attacker = attackerBase.HomeCiv;
string record;
if (defenderBase.IsRuins())
{
record = (defenderBase.GetFullName()
+ " is found abandoned by the "
+ attacker.GetPluralName());
defenderBase.History.addRecord(record);
attacker.History.addRecord(record, isLogged: false);
defenderBase.MoveCivIn(attacker);
attackerBase.ForceAbandon();
defenderBase.Treasure += attackerBase.Treasure;
attackerBase.Treasure = 0;
DefenderState = CombatantState.COMBATANT_STATE_ELIMINATED;
return;
}
Civilization defender = defenderBase.HomeCiv;
// since this method is only called on initial spawn, then the
// rule is to merge if two of the same race spawn in the same
// hex area.
if (attacker.Patricians.BaseAncestry.Name ==
defender.Patricians.BaseAncestry.Name)
{
defender.JoinOurCivilization(attacker.GetFullName());
defender.Patricians.Members += attacker.Patricians.Members;
attacker.DissolvePopulation();
return;
}
record = "The "
+ attacker.GetPluralName() + " are attacking the "
+ defender.GetPluralName() + " at "
+ defenderBase.GetFullName() + "!";
attacker.History.addRecord(record);
defender.History.addRecord(record, isLogged: false);
defenderBase.History.addRecord(record, isLogged: false);
GatherAttackers(attacker, attackerLands, defender.GetFullName());
GatherDefenders(defender, defenderLands, attacker.GetFullName());
_attackerStartingForces = GetTotalCombatants(AttackerList);
_defenderStartingForces = GetTotalCombatants(DefenderList);
_executeMainBattleLoop();
// recover from battle
ResolveSurvivors(_attackerStartingForces, AttackerList);
ResolveSurvivors(_defenderStartingForces, DefenderList);
// determine outcome of battle.
bool isAttackerLost =
(AttackerState == CombatantState.COMBATANT_STATE_ELIMINATED) ||
(AttackerState == CombatantState.COMBATANT_STATE_ROUTED);
bool isDefenderLost =
(DefenderState == CombatantState.COMBATANT_STATE_ELIMINATED) ||
(DefenderState == CombatantState.COMBATANT_STATE_ROUTED);
bool isBothLost = isAttackerLost && isDefenderLost;
bool isMutualDestruction =
(DefenderState == CombatantState.COMBATANT_STATE_ELIMINATED &&
AttackerState == CombatantState.COMBATANT_STATE_ELIMINATED);
if (isMutualDestruction)
{
// mutual destruction is highly unlikely, but not impossible.
record = "The "
+ attacker.GetPluralName() + " and the "
+ defender.GetPluralName()
+ " have achieved mutual destruction at "
+ defenderBase.GetFullName() + "!";
attacker.DissolvePopulation();
defender.DissolvePopulation();
}
else if (isBothLost)
{
if (DefenderState == CombatantState.COMBATANT_STATE_ELIMINATED)
{
// defenders lose
record = "The "
+ defender.GetPluralName()
+ " have been defeated by the "
+ attacker.GetPluralName() + " at "
+ defenderBase.GetFullName() + "!";
string defenderBaseName = defenderBase.Name;
MoveLosers(defender, defenderLands, defenderBaseName);
defenderBase.MoveCivIn(attacker);
attackerBase.ForceAbandon();
defenderBase.Treasure += attackerBase.Treasure;
attackerBase.Treasure = 0;
}
else
{
record = "The "
+ attacker.GetPluralName() + " have been repelled by the "
+ defender.GetPluralName() + " at "
+ defenderBase.GetFullName() + "!";
string attackerBaseName = attackerBase.Name;
// It's interesting that attackers don't go back home.
MoveLosers(attacker, attackerLands, attackerBaseName);
attackerBase.ForceAbandon();
}
}
else if (isDefenderLost)
{
// defender loses!
record = "The "
+ defender.GetPluralName() + " have been defeated by the "
+ attacker.GetPluralName() + " at "
+ defenderBase.GetFullName() + "!";
string defenderBaseName = defenderBase.Name;
MoveLosers(defender, defenderLands, defenderBaseName);
defenderBase.MoveCivIn(attacker);
attackerBase.ForceAbandon();
defenderBase.Treasure += attackerBase.Treasure;
attackerBase.Treasure = 0;
}
else // attacker lost
{
// attacker loses!
record = "The "
+ attacker.GetPluralName() + " have been repelled by the "
+ defender.GetPluralName() + " at "
+ defenderBase.GetFullName() + "!";
string attackerBaseName = attackerBase.Name;
// It's interesting that attackers don't go back home.
MoveLosers(attacker, attackerLands, attackerBaseName);
attackerBase.ForceAbandon();
}
_recordBattleReport(record, attacker, defender, defenderBase);
// any lingering civs with zero population are removed.
_worldMap.CleanOutRuins();
}