private static string GenerateCharacterSpriteFullIdentifier(string spriteName,
string stateIdentifier,
GameCharacterController.FacingDirection direction,
int index = -1)
{
string directionIdentifier;
switch (direction)
{
case GameCharacterController.FacingDirection.Down:
directionIdentifier = "d";
break;
case GameCharacterController.FacingDirection.Left:
directionIdentifier = "l";
break;
case GameCharacterController.FacingDirection.Up:
directionIdentifier = "u";
break;
default:
Debug.LogWarning($"Invalid direction facing ({direction})");
directionIdentifier = "l";
break;
}
return(spriteName + '_' + stateIdentifier + '_' + directionIdentifier + (index == -1 ? "" : '_' + index.ToString()));
}
/// <summary>
/// Get the position one step in a direction from another position
/// </summary>
public static Vector2Int GetPositionInDirection(Vector2Int startPosition, GameCharacterController.FacingDirection direction)
{
Vector2Int offset;
switch (direction)
{
case GameCharacterController.FacingDirection.Up:
offset = Vector2Int.up;
break;
case GameCharacterController.FacingDirection.Down:
offset = -Vector2Int.up;
break;
case GameCharacterController.FacingDirection.Left:
offset = -Vector2Int.right;
break;
case GameCharacterController.FacingDirection.Right:
offset = Vector2Int.right;
break;
default:
Debug.LogWarning($"Invalid directionFacing was found ({direction})");
offset = Vector2Int.up;
break;
}
return(startPosition + offset);
}
/// <summary>
/// Gets a sprite referenced by a state identifier and a FacingDirection direction. The full identifier will then be formed from these parameters
/// </summary>
/// /// <param name="flipSprite">Whether the sprite should be flipped once returned</param>
/// <param name="spriteName">The name of the sprite</param>
/// <param name="stateIdentifier">The name of the state that is being requested (eg. "neutral")</param>
/// <param name="direction">The direction of sprite to request</param>
/// <param name="index">The index of the sprite to request</param>
/// <returns>The sprite as specified if found, otherwise null</returns>
public static Sprite GetCharacterSprite(out bool flipSprite,
string spriteName,
string stateIdentifier,
GameCharacterController.FacingDirection direction,
int index = -1)
{
string identifier = GenerateCharacterSpriteFullIdentifier(spriteName,
stateIdentifier,
direction == GameCharacterController.FacingDirection.Right ? GameCharacterController.FacingDirection.Left : direction,
index);
flipSprite = direction == GameCharacterController.FacingDirection.Right;
return(GetSprite(SpriteType.Character,
identifier));
}
/// <summary>
/// Gets the positions in a direction from provided position
/// </summary>
public static Vector2Int[] GetPositionsInDirection(Vector2Int startPosition, GameCharacterController.FacingDirection direction, ushort count)
{
if (count == 0)
{
return(new Vector2Int[0]);
}
Vector2Int[] positions = new Vector2Int[count];
positions[0] = GetPositionInDirection(startPosition, direction);
for (int i = 1; i < count; i++)
{
positions[i] = GetPositionInDirection(positions[i - 1], direction);
}
return(positions);
}
