private async Task Tap(GestureSample gesture)
{
// try to get a card under the tap first
var selectedCardIndex = handOfCards.GetCardIndexAtPosition(gesture.Position);
if (selectedCardIndex != -1)
{
// SELECT CARD
if (CanSelectCardFromSelectedCharacter)
{
selectedCard = selectedCharacter.CurrentHand.ElementAt(selectedCardIndex);
}
return;
}
var worldPoint = camera.ScreenToWorld(gesture.Position);
var mapPoint = MapPoint.GetFromScreenPosition(worldPoint);
var targetCharacter = data.Characters.SingleOrDefault(character => character.IsAtPoint(mapPoint));
var targetEntity = entities.Drawables.SingleOrDefault(entity => entity.IsAtPoint(mapPoint));
if (selectedCharacter == null)
{
// SELECT CHARACTER
// we don't have a character selected, so select whatever we have under the tap
selectedCharacter = targetCharacter;
SelectedCharacterChange?.Invoke(selectedCharacter);
}
else if (selectedCard != null && targetCharacter != null && selectedCard.IsWithinRangeDistance(mapPoint) && mapPoint.IsWithinMap && (lockedInCharacter == selectedCard.OwnerCharacter || lockedInCharacter == null) && targetingPoint == null && IsMyTurn)
{
// TRYING TO TARGET A CARD
targetingPoint = mapPoint;
}
else if (targetingPoint?.Equals(mapPoint) == true && IsMyTurn)
{
// ACTUALLY PLAY SELECTED CARD
var playStatus = selectedCharacter.PlayCard(selectedCard, targetCharacter, data.RoundNumber);
if (!playStatus.PlayCancelled)
{
if (targetCharacter.GetBaseAbilityScore(AbilityScore.Health) < 1)
{
data.Characters.Remove(targetCharacter);
await CheckForWin();
}
AddNewGameLogEntry(new GameLogEntry
{
SourceCharacterColour = selectedCharacter.Colour,
SourceCharacterSide = data.Sides[selectedCharacter.OwnerPlayerId],
TargetCharacterColour = targetCharacter.Colour,
TargetCharacterSide = data.Sides[targetCharacter.OwnerPlayerId],
CardId = selectedCard.Id
});
lockedInCharacter = selectedCard.OwnerCharacter;
selectedCard = null;
targetingPoint = null;
}
var statusText = GetStatusTextForPlay(playStatus);
if (statusText != null)
{
statusPanel.Show(statusText);
}
}
else if (selectedCard != null)
{
// DESELECTED CARD
// we have a character selected and a card selected but the card isn't in range of the desired target, or there is no target
selectedCard = null;
targetingPoint = null;
}
else if (selectedCharacter.IsWithinMoveDistanceOf(mapPoint) && mapPoint.IsWithinMap && mapPoint.IsInAvailableMovement && CanMoveSelectedCharacter && targetEntity == null && movingPoint == null)
{
// TRYING TO MOVE
// we have a character selected, it's my character, it is within move distance of the tap and it has moves remaining
movingPoint = mapPoint;
}
else if (movingPoint?.Equals(mapPoint) == true)
{
// ACTUALLY MOVING
selectedCharacter.Move(mapPoint);
lockedInCharacter = selectedCharacter;
movingPoint = null;
AddNewGameLogEntry(new GameLogEntry
{
SourceCharacterColour = selectedCharacter.Colour,
SourceCharacterSide = data.Sides[selectedCharacter.OwnerPlayerId],
MovedTo = mapPoint
});
}
else
{
// DESELECT CHARACTER AND CARD
// we have a character selected, but didn't tap anything else useful so unselect it
selectedCharacter = null;
selectedCard = null;
movingPoint = null;
targetingPoint = null;
handOfCards.ClearCardPositions();
}
}
