public static StructValue FloatSub_DiffOp(StructValue self, StructValue other)
{
float v = Convert.ToSingle(self.v) - Convert.ToSingle(other.v);
StructValue newOne = StructValue.CopyCreate(ref self, v);
return(newOne);
}
public static StructValue FloatAdd_MergeOP(StructValue self, StructValue other)
{
float v = Convert.ToSingle(self.v) + Convert.ToSingle(other.v);
StructValue newOne = StructValue.CopyCreate(ref self, v);
return(newOne);
}
public static StructValue IntAdd_MergeOP(StructValue self, StructValue other)
{
int v = Convert.ToInt32(self.v) + Convert.ToInt32(other.v);
StructValue newOne = StructValue.CopyCreate(ref self, v);
return(newOne);
}
public static StructValue IntSub_DiffOp(StructValue self, StructValue other)
{
int v = Convert.ToInt32(self.v) - Convert.ToInt32(other.v);
StructValue newOne = StructValue.CopyCreate(ref self, v);
return(newOne);
}
/// <summary>
///
/// if all arithmetic values don't make the better towards goal
/// return true;
/// else
/// return false;
///
/// </summary>
public bool IsNotHelpfulAtAll(ReGoapState <T, W> effect, ReGoapState <T, W> precond, ReGoapState <T, W> curState)
{
lock (values) lock (effect.values)
{
bool nonHelpful = true;
foreach (var pair in effect.values)
{
T key = pair.Key;
StructValue effectValue = pair.Value;
StructValue curStateValue;
if (effectValue.tp == StructValue.EValueType.Arithmetic)
{
StructValue goalValue;
curState.values.TryGetValue(key, out curStateValue);
if (values.TryGetValue(key, out goalValue))
{// if a goal is satisfied already, then this effect is not useful (not really, but this helps to prune the search tree)
if (goalValue.IsFulfilledBy(effectValue))
{
var defValue = StructValue.CopyCreate(ref goalValue, 0);
if (!goalValue.IsFulfilledBy(defValue)) //if the goal has just been satified by this effect, okay
{ //e.g: for non-neg int, goalValue > 0
nonHelpful = false;
break;
}
}
else if (effectValue.IsBetter(curStateValue, goalValue)) //not fulfill the target, but make it better towards target
{
nonHelpful = false;
break;
}
}
}
else
{
StructValue goalValue;
if (values.TryGetValue(key, out goalValue))
{
if (goalValue.IsFulfilledBy(effectValue))
{
curState.values.TryGetValue(key, out curStateValue);
if (!curStateValue.Inited || !goalValue.IsFulfilledBy(curStateValue))
{
nonHelpful = false;
break;
}
}
}
}
}
return(nonHelpful);
}
}