public float Eval(EvalContext ctx)
{
float val,
leftval = left.Eval(ctx),
rightval = right.Eval(ctx);
switch (op)
{
case '+':
val = leftval + rightval;
break;
case '-':
val = leftval - rightval;
break;
case '*':
val = leftval * rightval;
break;
case '/':
val = leftval / rightval;
break;
case 'b':
default:
val = rightval;
break;
}
return val;
}
public float Eval(EvalContext ctx)
{
StatesSet stSet = ctx.CurrStatesSet;
State state = ctx.CurrState;
int autonomusIdx = stSet.GetAutonomusStateIndice(autonomusName);
Autonomus autonomus = ctx.CurrSAN.AutonomusAt(autonomusIdx);
return (float) autonomus.NodeAt(state[stSet.GetAutonomusStateIndice(autonomusName)]);
}
public float Eval(EvalContext ctx)
{
return value;
}
public float Eval(EvalContext ctx)
{
bool bval = false;
float leftval = left.Eval(ctx);
float rightval = right.Eval(ctx);
switch (op)
{
case Operators.AND:
bval = IsNotZero(leftval) && IsNotZero(rightval);
break;
case Operators.OR:
bval = IsNotZero(leftval) || IsNotZero(rightval);
break;
case Operators.XOR:
bval = bval ^ IsNotZero(rightval);
break;
case Operators.EQ:
bval = Math.Abs(leftval - rightval) < float.Epsilon;
break;
case Operators.GT:
bval = leftval > rightval;
break;
case Operators.LT:
bval = leftval < rightval;
break;
case Operators.EGT:
bval = leftval >= rightval;
break;
case Operators.ELT:
bval = leftval <= rightval;
break;
case Operators.NOTEQ:
bval = Math.Abs(leftval - rightval) >= float.Epsilon;
break;
case Operators.UNARY:
bval = rightval > 0.0f ? true : false;
break;
}
return bval ? 1.0f : 0.0f;
}