private IEnumerable <Vector> ConvertPositions(IEnumerable <Vector> input, IToolBrush toolBrush)
{
if (toolBrush.IsValid(input))
{
return(toolBrush.ComputePositions(input));
}
else
{
return(null);
}
}
private ToolOutcome Apply(IActionQueue actionQueue, IToolBehavior toolBehavior, IToolBrush toolBrush, IEnumerable <Vector> inputPositions)
{
IEnumerable <Vector> toolPositions = toolBrush.ComputePositions(inputPositions);
var action = toolBehavior.CreateActions(toolPositions);
void ValidatedAction(World gs)
{
if (Validate(gs, toolBehavior, toolPositions))
{
action(gs);
}
else
{
throw new InvalidOperationException("Action is not valid");
}
}
// TODO: don't use exception to control the flow. Need google for this.
try
{
actionQueue.ExecuteSynchronously(ValidatedAction);
return(ToolOutcome.Success);
}
catch (InvalidOperationException)
{
return(ToolOutcome.Failure);
}
}
private ToolPreviewOutcome Preview(IWorldView worldView, IToolBehavior toolBehavior, IToolBrush toolBrush, IEnumerable <Vector> inputPositions)
{
IEnumerable <Vector> toolPositions = toolBrush.ComputePositions(inputPositions);
return(toolBehavior.Preview(worldView, toolPositions));
}
