private IEnumerator MoveEnemyPawnsPairRoutine(EnemyPawnsPair pair, List <Vector2Int> path)
{
if (path.Count < 1)
{
yield break;
}
Vector2Int pawn1EndCell;
PawnTransition pawn1Transition = new PawnTransition(pair.Pawn1, _tilemap, pawn1EndCell = path.PickLastElement());
PawnTransition pawn2Transition = new PawnTransition(pair.Pawn2, _tilemap, path.Count > 0 ? path.PickFirstElement() : pawn1EndCell);
float duration = 0.3f;
yield return(CoroutineUtils.UpdateRoutine(duration, (elapsedTime, transition) => {
float shift = Maths.GetTransition(TransitionType.COS_IN_PI_RANGE, transition);
pawn1Transition.Update(shift);
pawn2Transition.Update(shift);
}));
pawn1Transition.Finish(_tilemap);
pawn2Transition.Finish(_tilemap);
}
public IEnumerator MoveEnemyPawnsRoutine(Action <bool> onEnd, Action onSuccess, Action onFail)
{
int surroundedEnemiesCount = 0;
int movedEnemiesCount = 0;
bool enemyReachedTarget = false;
_pathfinder.ClearSprites();
List <PathResult> pathResults = new List <PathResult>();
List <PawnTransition> pawnTransitions = new List <PawnTransition>();
foreach (var enemyPawn in _enemySingles)
{
PathResult pathResult = null;
#if DEBUG_PATHFINDING
yield return(_pathfinder.FindPathRoutine(enemyPawn, enemyPawn.Target, aPathResult => {
pathResult = aPathResult;
}, pawnTransitions, _playerPawnsContainer, _enemyPawnsContainer, _enemyTargetsContainer));
#else
pathResult = _pathfinder.FindPath(enemyPawn, enemyPawn.Target, pawnTransitions,
_playerPawnsContainer, _enemyPawnsContainer, _enemyTargetsContainer, _enemyPawnsPathSpritesContainer);
#endif
pathResults.Add(pathResult);
var path = pathResult.Path;
if (pathResult.PathFound && path.Count > 0)
{
_pathfinder.CreatePathSprites(path, 1, 1, Color.white);
PawnTransition pawnTransition = new PawnTransition(enemyPawn, _tilemap, path.PickLastElement());
pawnTransitions.Add(pawnTransition);
}
}
if (pawnTransitions.Count > 0)
{
yield return(MoveEnemyPawnsRoutine(pawnTransitions));
movedEnemiesCount += pawnTransitions.Count;
}
for (int i = 0; i < pathResults.Count; i++)
{
EnemyPawn enemyPawn = _enemyPawns[i];
PathResult pathResult = pathResults[i];
var path = pathResult.Path;
if (pathResult.PathFound)
{
if (path.Count <= 1)
{
enemyReachedTarget = true;
break;
}
}
else
{
bool targetSurrounded = !_pathfinder.FindPathToBoundsMin(enemyPawn.Target, _playerPawnsContainer, _enemyTargetsContainer).PathFound;
bool enemySurrounded = targetSurrounded ? !_pathfinder.FindPathToBoundsMin(enemyPawn, _playerPawnsContainer).PathFound : true;
surroundedEnemiesCount += enemySurrounded ? 1 : 0;
}
}
foreach (var pair in _enemyPairs)
{
EnemyPawn enemyPawnA = pair.Pawn1;
EnemyPawn enemyPawnB = pair.Pawn2;
PathResult pathResult = null;
#if DEBUG_PATHFINDING
yield return(_pathfinder.FindPathRoutine(enemyPawnA, enemyPawnB, aPathResult => {
pathResult = aPathResult;
}, null, _playerPawnsContainer, _enemyPawnsContainer, _enemyTargetsContainer));
#else
pathResult = _pathfinder.FindPath(enemyPawnA, enemyPawnB, null, _playerPawnsContainer, _enemyPawnsContainer, _enemyTargetsContainer);
#endif
if (pathResult.PathFound)
{
var path = pathResult.Path;
if (path.Count > 0)
{
path.RemoveAt(0);
if (path.Count > 0)
{
List <SpriteRenderer> pathSprites = _pathfinder.CreatePathSprites(path, 1, 1, Color.white);
yield return(MoveEnemyPawnsPairRoutine(pair, path));
movedEnemiesCount += 2;
}
if (path.Count < 1)
{
enemyReachedTarget = true;
break;
}
}
}
else
{
bool pawnASurrounded = !_pathfinder.FindPathToBoundsMin(enemyPawnA, _playerPawnsContainer, _enemyTargetsContainer).PathFound;
bool pawnBSurrounded = !_pathfinder.FindPathToBoundsMin(enemyPawnB, _playerPawnsContainer, _enemyTargetsContainer).PathFound;
surroundedEnemiesCount += pawnASurrounded ? 1 : 0;
surroundedEnemiesCount += pawnBSurrounded ? 1 : 0;
}
}
if (enemyReachedTarget)
{
yield return(new WaitForSeconds(0.5f));
onFail?.Invoke();
}
else if (surroundedEnemiesCount == _enemyPawns.Count)
{
yield return(new WaitForSeconds(0.5f));
onSuccess?.Invoke();
}
onEnd?.Invoke(movedEnemiesCount > 0);
}