/// <summary>
/// Does each line at a time
/// </summary>
/// <param name="command">One Command Line</param>
/// <returns></returns>
public GameWindowInstruction Parse(string command)
{
if (command.ContainsInsensitive("says"))
{
string characterName = GetPrimaryCharacterName(command);
if (RegexConstants.GetStuffInQuotes.IsMatch(command))
{
if (!string.IsNullOrEmpty(characterName))
{
instructor.CheckCharacterExists(characterName);
}
var says = RegexConstants.GetStuffInQuotes.Match(command).Captures[0].Value;
return(new GameWindowInstruction("WriteText", new object[] { characterName, says.TrimStart('"').TrimEnd('"') }));
}
else
{
throw new ParserException("The character must say something", command);
}
}
if (command.ContainsInsensitive("add"))
{
string characterName = GetPrimaryCharacterName(command);
string sprite = RegexConstants.GetSprite.Match(command).Captures[0].Value.Trim();
if (string.IsNullOrEmpty(sprite) || sprite.Length < 4)
{
throw new ParserException("Sprite was invalid");
}
string animation = RegexConstants.GetStuffInAstrix.Match(command).Captures[0].Value;
sprite = sprite.Substring(2, sprite.Length - 4);
instructor.AddCharacter(characterName.Trim(), sprite, (Animation)Enum.Parse(typeof(Animation), animation.Trim('*')));
return(new GameWindowInstruction("DrawCharacter", new object[] { characterName, sprite, (Animation)Enum.Parse(typeof(Animation), animation.Trim('*')) }));
}
if (command.ContainsInsensitive("remove"))
{
string characterName = GetPrimaryCharacterName(command);
instructor.RemoveCharacter(characterName, Animation.FadeOut);
return(new GameWindowInstruction("WipeImage", new object[] { characterName, Animation.FadeOut }));
}
if (command.ContainsInsensitive("show"))
{
string characterName = GetPrimaryCharacterName(command);
string animation = RegexConstants.GetStuffInAstrix.Match(command).Captures[0].Value;
instructor.ShowCharacter(characterName, (Animation)Enum.Parse(typeof(Animation), animation.Trim('*')));
return(new GameWindowInstruction("DrawImage", new object[] { characterName, (Animation)Enum.Parse(typeof(Animation), animation.Trim('*')) }));
}
if (command.ContainsInsensitive("hide"))
{
string characterName = GetPrimaryCharacterName(command);
string animation = RegexConstants.GetStuffInAstrix.Match(command).Captures[0].Value;
instructor.HideCharacter(characterName, (Animation)Enum.Parse(typeof(Animation), animation.Trim('*')));
return(new GameWindowInstruction("WipeImage", new object[] { characterName, (Animation)Enum.Parse(typeof(Animation), animation.Trim('*')) }));
}
if (command.StartsWith("MOVE"))
{
var directionValues = Enum.GetValues(typeof(Direction)).Cast <Direction>().Select(d => d.ToString());
string characterName = GetPrimaryCharacterName(command);
var moveBy = RegexConstants.GetPixelValue.IsMatch(command)
? RegexConstants.GetPixelValue.Match(command).Captures[0].Value.Replace("px", string.Empty)
: throw new ParserException("Specify how much to move the character");
var direction = command.FindAndGetKeywords(directionValues);
instructor.MoveCharacter(characterName, direction.ToEnum <Direction>(), Convert.ToInt32(moveBy));
return(new GameWindowInstruction("DrawImage", new object[] { characterName, direction.ToEnum <Direction>(), Convert.ToInt32(moveBy) }));
}
if (command.StartsWith("PLACE"))
{
string characterName = GetPrimaryCharacterName(command);
var numericMatches = RegexConstants.GetRoundBracketNumbers.Matches(command);
if (numericMatches.Count == 2)
{
int x = int.TryParse(numericMatches[0].Value, out int xval) ? xval : throw new ParserException("X was not defined properly");
int y = int.TryParse(numericMatches[1].Value, out int yval) ? yval : throw new ParserException("Y was not defined properly");
instructor.PlaceCharacter(characterName, x, y);
return(new GameWindowInstruction("DrawImage", new object[] { characterName, x, y }));
}
if (numericMatches.Count == 4)
{
int x = int.TryParse(numericMatches[0].Value, out int xval)? xval: throw new ParserException("X was not defined properly");
int y = int.TryParse(numericMatches[1].Value, out int yval) ? yval : throw new ParserException("Y was not defined properly");
int scaleHeight = int.TryParse(numericMatches[2].Value, out int yscaleVal) ? yscaleVal : throw new ParserException("Scale Height was not defined properly");
int scaleWidth = int.TryParse(numericMatches[3].Value, out int xscaleVal) ? xscaleVal : throw new ParserException("Scale Width was not defined properly");
instructor.PlaceCharacter(characterName, x, y, scaleHeight, scaleWidth);
return(new GameWindowInstruction("DrawImage", new object[] { characterName, x, y, scaleHeight, scaleWidth }));
}
else
{
throw new ParserException("The number of values in the paramters is invalid");
}
}
if (command.StartsWith("CHANGE SPRITE"))
{
string sprite = RegexConstants.GetSprite.Match(command).Captures[0].Value.Trim();
if (string.IsNullOrEmpty(sprite) || sprite.Length < 4)
{
throw new ParserException("Sprite was invalid");
}
sprite = sprite.Substring(2, sprite.Length - 4);
string characterName = GetPrimaryCharacterName(command);
string animation = RegexConstants.GetStuffInAstrix.Match(command).Captures[0].Value;
instructor.ChangeCharacterSprite(characterName, sprite, (Animation)Enum.Parse(typeof(Animation), animation.Trim('*')));
return(new GameWindowInstruction("DrawImage", new object[] { characterName, sprite, (Animation)Enum.Parse(typeof(Animation), animation.Trim('*')) }));
}
if (command.StartsWith("CHANGE BACKGROUND"))
{
string sprite = command.Replace("CHANGE BACKGROUND", string.Empty).TrimStart();
GameState.Instance.SetCurrentBackground(sprite);
return(new GameWindowInstruction("DrawScene", new object[] { sprite }));
}
if (command.StartsWith("PLAY SOUND"))
{
bool loop = command.ContainsInsensitive("loop");
var file = RegexConstants.GetStuffInQuotes.Match(command).Captures[0].Value.Replace("\"", "");
instructor.PlaySound(file, loop);
return(new GameWindowInstruction("PLAY SOUND", new object[] { file, loop }));
}
if (command.StartsWith("JUMP"))
{
var number = Convert.ToInt32(command.Replace("JUMP ", string.Empty));
GameState.Instance.SetCurrentLine(number);
instructor.JumpLine(number);
return(new GameWindowInstruction("Jump", new object[0]));
}
if (command == "END STORY")
{
instructor.EndGame();
return(new GameWindowInstruction("EndGame", new object[0]));
}
throw new NotImplementedException();
}
