//public async Task MoveUnitAsync(IGameUnit unit, IGameMapMovementRoute route)
//{
// await MoveUnitCoroutine(unit, route);
//}
/// <summary>
///
/// </summary>
/// <param name="unit"></param>
/// <param name="route"></param>
/// <returns></returns>
public IEnumerator MoveUnitCoroutine(IGameUnit unit, IGameMapMovementRoute route)
{
// Create a container for our move unit
var moveUnitChangeContainer = new MoveUnitChangeContainer(unit);
// Quick pre-calculation if we need to do walking damage
var hasWalkingDamage = unit.GetAttribute(UnitAttribute.WalkingDamage) > 0;
// Move the unit each step in the given route, excluding None direction steps
foreach (var routeStep in route.Route.Where(x => x != Direction.None))
{
var startPosition = unit.WorldPosition;
var directionVector = DirectionHelper.GetDirectionVector(routeStep);
var targetPosition = unit.WorldPosition + directionVector;
// Animate the unit moving this step
var duration = 0.15f; // 0.15f seconds
var stepTime = 0f;
while (stepTime < duration)
{
stepTime += Time.deltaTime;
unit.WorldPosition = Vector3.Lerp(startPosition, targetPosition, stepTime / duration);
yield return(null);
}
// Animation complete, set the unit position to be the end location
unit.WorldPosition = targetPosition;
var newX = unit.MapX;
var newY = unit.MapY;
DirectionHelper.ApplyDirection(routeStep, ref newX, ref newY);
unit.MapX = newX;
unit.MapY = newY;
// Apply walking damage to the tiles the unit now occupies
if (hasWalkingDamage)
{
ApplyWalkingDamage(unit, newX, newY, unit.TileWidth, unit.TileHeight, moveUnitChangeContainer);
}
}
// Final snap the unit to their end map & unity location
unit.MapX = route.EndX;
unit.MapY = route.EndY;
unit.WorldPosition = TranslateMapXYToUnityXY(unit.MapX, unit.MapY);
// And tell them to consume movement for this route
unit.AddRouteCost(route);
// Trigger the MoveCompleted event now that we're done animating the move
OnUnitMoveCompleted(moveUnitChangeContainer);
}