protected FuncDrawOperation(Player player, Command cmd) : base(player)
{
string strFunc = cmd.Next();
if (string.IsNullOrWhiteSpace(strFunc))
{
player.Message("&WEmpty function expression");
return;
}
if (strFunc.Length < 3)
{
player.Message("&WExpression is too short(should be like z=f(x,y))");
return;
}
strFunc = strFunc.ToLower();
Vaxis = GetAxis(SimpleParser.PreparseAssignment(ref strFunc));
_Expression = SimpleParser.Parse(strFunc, GetVarArray(Vaxis));
Player.Message("Expression parsed as " + _Expression.Print());
string scalingStr = cmd.Next();
_Scaler = new Scaler(scalingStr);
}
public InequalityDrawOperation(Player player, Command cmd) : base(player)
{
string strFunc = cmd.Next();
if (String.IsNullOrWhiteSpace(strFunc))
{
throw new ArgumentException("empty inequality expression");
}
if (strFunc.Length < 3)
{
throw new ArgumentException("expression is too short(should be like f(x,y,z)>g(x,y,z))");
}
strFunc = strFunc.ToLower();
_Expression = SimpleParser.Parse(strFunc, new string[] {
"x", "y", "z"
});
if (!_Expression.IsInEquality())
{
throw new ArgumentException("the expression given is not an inequality(should be like f(x,y,z)>g(x,y,z))");
}
Player.Message("Expression parsed as " + _Expression.Print());
string scalingStr = cmd.Next();
_Scaler = new Scaler(scalingStr);
}
public EqualityDrawOperation(Player player, Command cmd) : base(player)
{
string strFunc = cmd.Next();
if (string.IsNullOrWhiteSpace(strFunc))
{
player.Message("empty equality expression");
return;
}
if (strFunc.Length < 3)
{
player.Message("expression is too short(should be like f(x,y,z)=g(x,y,z))");
return;
}
strFunc = strFunc.ToLower();
_Expression = SimpleParser.ParseAsEquality(strFunc, new string[] { "x", "y", "z" });
Player.Message("Expression parsed as " + _Expression.Print());
string scalingStr = cmd.Next();
_Scaler = new Scaler(scalingStr);
}
public StartSpringDraw(Player p, Command cmd) : base(p)
{
Expressions = PrepareParametrizedManifold.GetPlayerParametrizationCoordsStorage(p);
if (Expressions[0] == null)
{
throw new InvalidExpressionException("x is undefined");
}
if (Expressions[1] == null)
{
throw new InvalidExpressionException("y is undefined");
}
if (Expressions[2] == null)
{
throw new InvalidExpressionException("z is undefined");
}
ParameterIterations = PrepareParametrizedManifold.GetPlayerParametrizationParamsStorage(p);
if (ParameterIterations[0] == null && ParameterIterations[1] == null && ParameterIterations[2] == null)
{
throw new InvalidExpressionException("all parametrization variables are undefined");
}
if (GetNumOfSteps2(0) * GetNumOfSteps2(1) * GetNumOfSteps2(2) > MaxIterationSteps)
{
throw new InvalidExpressionException("too many iteration steps(over " + MaxIterationSteps + ")");
}
_Scaler = new Scaler(cmd.Next());
}
public ManifoldDrawOperation(Player p, Command cmd) : base(p)
{
_Expressions = PrepareParametrizedManifold.GetPlayerParametrizationCoordsStorage(p);
if (_Expressions[0] == null)
{
throw new InvalidExpressionException("x is undefined");
}
if (_Expressions[1] == null)
{
throw new InvalidExpressionException("y is undefined");
}
if (_Expressions[2] == null)
{
throw new InvalidExpressionException("z is undefined");
}
ParamIterations = PrepareParametrizedManifold.GetPlayerParametrizationParamsStorage(p);
if (ParamIterations[0] == null && ParamIterations[1] == null && ParamIterations[2] == null)
{
throw new InvalidExpressionException("all parametrization variables are undefined");
}
if (GetNumOfSteps(0) * GetNumOfSteps(1) * GetNumOfSteps(2) > MaxIterationSteps)
{
throw new InvalidExpressionException("too many iteration steps(over " + MaxIterationSteps + ")");
}
_Scaler = new Scaler(cmd.Next());
p.Message("Going to draw the following parametrization:\nx=" +
_Expressions[0].Print() +
"\ny=" +
_Expressions[1].Print() +
"\nz=" +
_Expressions[2].Print());
}
