private void DoExecute()
{
if (currentInstruction != null)
{
// Reset current instruction
currentInstruction.Renderer.BackgroundColor = currentInstruction.Renderer.DefaultBackgroundColor;
}
// Reached end of instructions
if (instructionIndex > instructions.Count - 1)
{
currentInstruction = null;
Stop();
return;
}
currentInstruction = instructions[instructionIndex];
currentInstruction.Renderer.BackgroundColor = InstructionRenderer.ExecutingBackgroundColor;
draggableList.Highlight(currentInstruction.Draggable);
try
{
currentInstruction.Instruction.Execute(target, this);
}
catch (InstructionException e)
{
FailExecution(e.Message);
}
instructionIndex++;
executeNext = false;
}
/// <summary>
/// To be called when an instruction has failed
/// Will show some error text to the user with the given message
/// </summary>
public void FailExecution(string message)
{
if (currentInstruction != null)
{
currentInstruction.Renderer.BackgroundColor = InstructionRenderer.FailBackgroundColor;
currentInstruction.Renderer.Render();
currentInstruction = null;
}
ErrorText.text = "<b>" + message + "</b>";
StartCoroutine(AnimateErrorText());
Stop();
Debug.Log("Instruction Exception: " + message);
StatusText.text = "Failed";
}
/// <summary>
/// Stops the execution at the end of the current instruction
/// </summary>
public void Stop()
{
if (!playing)
{
return;
}
playButton.GetComponent <Image>().sprite = GetSpriteByName(PLAY_RESET);
stopButton.GetComponent <Image>().color = new Color(.6f, .6f, .6f);
playing = false;
StatusText.text = "Stop";
executeNext = false;
if (currentInstruction != null)
{
currentInstruction.Renderer.BackgroundColor = InstructionRenderer.ExecutingBackgroundColor;
}
currentInstruction = null;
foreach (var instruction in instructions)
{
instruction.Instruction.Editable = true;
}
}
