public bool IsMath(string s)
{
switch (s)
{
case "==":
mathType = BurikoMathType.Equals;
return(true);
case "!=":
mathType = BurikoMathType.NotEquals;
return(true);
case "<=":
mathType = BurikoMathType.LessThanOrEquals;
return(true);
case ">=":
mathType = BurikoMathType.GreaterThanOrEquals;
return(true);
case ">":
mathType = BurikoMathType.GreaterThan;
return(true);
case "<":
mathType = BurikoMathType.LessThan;
return(true);
case "+":
mathType = BurikoMathType.Add;
return(true);
case "-":
mathType = BurikoMathType.Subtract;
return(true);
case "*":
mathType = BurikoMathType.Multiply;
return(true);
case "/":
mathType = BurikoMathType.Divide;
return(true);
case "%":
mathType = BurikoMathType.Modulus;
return(true);
default:
return(false);
}
}
private static int PerformMath(BurikoMathType type, BurikoVariable a, BurikoVariable b)
{
int num = a.IntValue();
int num2 = b.IntValue();
switch (type)
{
case BurikoMathType.Equals:
return((num == num2) ? 1 : 0);
case BurikoMathType.Add:
return(num + num2);
case BurikoMathType.Divide:
return(num / num2);
case BurikoMathType.Multiply:
return(num * num2);
case BurikoMathType.Subtract:
return(num - num2);
case BurikoMathType.GreaterThan:
return((num > num2) ? 1 : 0);
case BurikoMathType.GreaterThanOrEquals:
return((num >= num2) ? 1 : 0);
case BurikoMathType.LessThan:
return((num < num2) ? 1 : 0);
case BurikoMathType.LessThanOrEquals:
return((num <= num2) ? 1 : 0);
case BurikoMathType.Modulus:
return(num % num2);
case BurikoMathType.NotEquals:
return((num != num2) ? 1 : 0);
case BurikoMathType.And:
return((num != 0 && num2 != 0) ? 1 : 0);
case BurikoMathType.Or:
return((num != 0 || num2 != 0) ? 1 : 0);
default:
throw new Exception("Cannot find a handler for math type " + type);
}
}
public BurikoVariable(BinaryReader stream)
{
Type = (BurikoValueType)stream.ReadInt16();
switch (Type)
{
case BurikoValueType.Null:
valueInt = -1;
break;
case BurikoValueType.Bool:
valueInt = stream.ReadByte();
break;
case BurikoValueType.Int:
valueInt = stream.ReadInt32();
break;
case BurikoValueType.String:
valueString = stream.ReadString();
break;
case BurikoValueType.Variable:
stream.BaseStream.Seek(-2L, SeekOrigin.Current);
valueReference = ReadReference(stream);
break;
case BurikoValueType.Math:
{
BurikoMathType type = (BurikoMathType)stream.ReadInt16();
BurikoVariable a = new BurikoVariable(stream);
BurikoVariable b = new BurikoVariable(stream);
Type = BurikoValueType.Int;
valueInt = PerformMath(type, a, b);
break;
}
case BurikoValueType.Operation:
valueVariable = BurikoScriptSystem.Instance.GetCurrentScript().ExecuteOperation((BurikoOperations)stream.ReadInt16());
break;
default:
throw new NotImplementedException("BurikoVariable: Unhandled BurikoValueType " + Type);
}
}
