public Unit ChooseTarget(Unit unit, ref Vector2 attackPosition)
{
Vector2 startingPosition = unit.xy;
Unit chosenTarget = null;
float bestAttackValue = -100000;
UnitPather pather = new UnitPather(unit);
foreach (Vector2 position in pather.BehaviorMovePositions(attacking: true))
{
GridManager.MoveUnit(startingPosition, position, () => {});
foreach (Vector2 targetPosition in GridManager.GetCoordsToAttackHighlight(unit.xy, unit.range))
{
Unit target = GridManager.GetUnit(targetPosition);
if (target)
{
if (target.owner != unit.owner)
{
int attackerStartingHealth = unit.health;
int defenderStartingHealth = target.health;
Unit[] outCome = Combat.CalculateCombatForUnits(unit, target);
int damageDone = defenderStartingHealth - outCome[1].health;
int damageTaken = attackerStartingHealth - outCome[0].health;
bool enoughDamageDone = (damageTaken > 0) ? (damageDone > 10 || damageDone / damageTaken > 2f) : true;
bool notTooMuchDamageTaken = damageTaken < 70;
if (enoughDamageDone && notTooMuchDamageTaken)
{
float attackValue = damageDone * target.cost * target.powerConstant -
damageTaken * unit.cost * unit.powerConstant;
if ((attackValue > bestAttackValue) ||
(attackValue == bestAttackValue && UnityEngine.Random.Range(0f, 1f) > .5f))
{
bestAttackValue = attackValue;
chosenTarget = target;
attackPosition = position;
}
}
unit.ChangeHealth(damageTaken);
target.ChangeHealth(damageDone);
}
}
}
GridManager.MoveUnit(position, startingPosition, () => {});
}
return(chosenTarget);
}
public IEnumerator CheckMoves()
{
InfluenceTwo.SetUpMaps();
//Debug.Log("enemyOneTurnInfluenceMap:");
//InfluenceTwo.LogMap(InfluenceTwo.enemyOneTurnInfluenceMap);
for (int i = 0; i < units.Count; i++)
{
Unit unit = units[i];
if (unit.Equals(null))
{
break;
}
Vector2 moveGoal = ChooseMoveGoal(unit);
Pather.GetCoordsToMoveHighlight(unit);
int[,,] distanceMap = Pather.GetDistanceMap(unit, moveGoal);
int[] bestDistance = new int[2] {
1000, 1000
};
List <Vector2> candidateMoves = new List <Vector2>();
UnitPather pather = new UnitPather(unit);
foreach (Vector2 movePosition in pather.BehaviorMovePositions(attacking: false))
{
if (movePosition != GridManager.GetCastleLocationForOwner(BattleManager.GetNextPlayerIndex()) ||
unit.behaviour == Behaviour.capture)
{
// if (InfluenceTwo.oneTurnInfluenceMap[(int)movePosition.x,(int)movePosition.y] <= safeInfluence)
// {
if (distanceMap[(int)movePosition.x, (int)movePosition.y, 0] < bestDistance[0])
{
bestDistance[0] = distanceMap[(int)movePosition.x, (int)movePosition.y, 0];
bestDistance[1] = distanceMap[(int)movePosition.x, (int)movePosition.y, 1];
candidateMoves.Clear();
candidateMoves.Add(movePosition);
}
else if (distanceMap[(int)movePosition.x, (int)movePosition.y, 0] == bestDistance[0])
{
if (distanceMap[(int)movePosition.x, (int)movePosition.y, 1] < bestDistance[1])
{
bestDistance[0] = distanceMap[(int)movePosition.x, (int)movePosition.y, 0];
bestDistance[1] = distanceMap[(int)movePosition.x, (int)movePosition.y, 1];
candidateMoves.Clear();
candidateMoves.Add(movePosition);
}
else if (distanceMap[(int)movePosition.x, (int)movePosition.y, 1] == bestDistance[1])
{
candidateMoves.Add(movePosition);
}
}
// }
}
}
if (candidateMoves.Count == 0)
{
candidateMoves.Add(unit.xy);
}
int r = UnityEngine.Random.Range(0, candidateMoves.Count);
Vector2 finalMove = candidateMoves[r];
// Debug.LogFormat("{0} {1} moving from ({2},{3}) to ({4},{5}) en route to ({6},{7})", unit.type.ToString(), unit.owner.ToString(),
// unit.x.ToString(), unit.y.ToString(),
// finalMove.x.ToString(), finalMove.y.ToString(), moveGoal.x.ToString(), moveGoal.y.ToString());
// Pather.LogDistanceMap(distanceMap);
moving = true;
Pather.GetCoordsToMoveHighlight(unit);
GridManager.MoveUnitAlongPath(unit, finalMove, Pather.GetPathToPoint(finalMove), () => {
moving = false;
});
while (moving)
{
yield return(new WaitForSeconds(.1f));
}
if ((Vector2)unit.xy == moveGoal && GridManager.CanUnitCapture(unit))
{
CaptureBuilding(unit);
}
unit.Deactivate();
}
inSubCoroutine = false;
}
public static float[,] GetUnitInfluence(Unit unit, ref float[,] oneTurnUnitInfluence)
{
float[,] unitInfluenceMap = new float[GridManager.Width(), GridManager.Height()];
int turnsAway = 1;
// bool isArtillery = unit.grouping == UnitGroup.artillery;
// if (isArtillery)
// {
// List<Vector2> attackPositions = GridManager.GetCoordsToAttackHighlight(unit.xy, unit.range);
// foreach (Vector2 attackPosition in attackPositions)
// {
// float influence = (float)unit.GetPower() / (float)Math.Pow(2 , Math.Pow(turnsAway, 2));
// if (influence > unitInfluenceMap[(int)attackPosition.x,(int)attackPosition.y])
// {
// unitInfluenceMap[(int)attackPosition.x,(int)attackPosition.y] = influence;
// if (turnsAway == 1)
// {
// oneTurnUnitInfluence[(int)attackPosition.x,(int)attackPosition.y] = influence;
// }
// }
// }
// turnsAway++;
// }
List <Vector2> positionsToCheck = new List <Vector2>();
UnitPather pather = new UnitPather(unit);
positionsToCheck = pather.BehaviorMovePositions(attacking: true);
while (positionsToCheck.Count > 0)
{
List <Vector2> addList = new List <Vector2>();
foreach (Vector2 positionToCheck in positionsToCheck)
{
Pather.SetUpNodes(positionToCheck, unit.owner, unit.grouping, true);
List <Vector2> movePositions = Pather.GetMoveCoordsForFloodFill(positionToCheck, unit.movePoints);
foreach (Vector2 movePosition in movePositions)
{
List <Vector2> attackPositions = GridManager.GetCoordsToAttackHighlight(movePosition, unit.range);
foreach (Vector2 attackPosition in attackPositions)
{
float influence = (float)unit.GetPower() / (float)Math.Pow(2, Math.Pow(turnsAway, 2));
if (influence > unitInfluenceMap[(int)attackPosition.x, (int)attackPosition.y])
{
unitInfluenceMap[(int)attackPosition.x, (int)attackPosition.y] = influence;
if (turnsAway == 1)
{
oneTurnUnitInfluence[(int)attackPosition.x, (int)attackPosition.y] = influence;
}
addList.Add(movePosition);
}
}
}
}
positionsToCheck.Clear();
if (unit.behaviour != Behaviour.defend)
{
foreach (Vector2 addVector in addList)
{
positionsToCheck.Add(addVector);
}
}
//Debug.LogFormat("There are {0} movePositions at {1} turnsAway", positionsToCheck.Count, turnsAway);
turnsAway++;
}
return(unitInfluenceMap);
}