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- Pick can now hold unlimited numbers to choose from.

Browse source 
- I.e. pick(1,4,12,16)
This commit is contained in:
MajorCooke 2014-12-14 04:45:39 -06:00
parent 785f72d6eb
commit 3f3aab42f1
3 changed files with 36 additions and 33 deletions
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18
src/thingdef/thingdef_exp.cpp
View file

@ -374,6 +374,9 @@ static FxExpression *ParseExpression0 (FScanner &sc, const PClass *cls)
else if (sc.CheckToken(TK_Pick))
{
FRandom *rng;
TArray<FxExpression*> list;
list.Clear();
int index = 0;
if (sc.CheckToken('['))
{
@ -387,12 +390,17 @@ static FxExpression *ParseExpression0 (FScanner &sc, const PClass *cls)
}
sc.MustGetToken('(');
FxExpression *min = ParseExpressionM(sc, cls);
sc.MustGetToken(',');
FxExpression *max = ParseExpressionM(sc, cls);
sc.MustGetToken(')');
while (!(sc.CheckToken(')')))
{
FxExpression *min = ParseExpressionM(sc, cls);
list.Push(min);
if (sc.CheckToken(')'))
break;
else
sc.MustGetToken(',');
}
return new FxPick(rng, min, max, sc);
return new FxPick(rng, list, sc);
}
else if (sc.CheckToken(TK_FRandom))
{

4
src/thingdef/thingdef_exp.h
View file

@ -563,11 +563,11 @@ class FxPick : public FxExpression
{
protected:
FRandom * rng;
FxExpression *min, *max;
TArray<FxExpression*> min;
public:
FxPick(FRandom *, FxExpression *mi, FxExpression *ma, const FScriptPosition &pos);
FxPick(FRandom *, TArray<FxExpression*> mi, const FScriptPosition &pos);
~FxPick();
FxExpression *Resolve(FCompileContext&);

47
src/thingdef/thingdef_expression.cpp
View file

@ -1696,15 +1696,17 @@ ExpVal FxRandom::EvalExpression (AActor *self)
//
//
//==========================================================================
FxPick::FxPick(FRandom * r, FxExpression *mi, FxExpression *ma, const FScriptPosition &pos)
FxPick::FxPick(FRandom * r, TArray<FxExpression*> mi, const FScriptPosition &pos)
: FxExpression(pos)
{
if (mi != NULL && ma != NULL)
int index = 0;
int max = mi.Size();
if (max > 0)
{
min = new FxIntCast(mi);
max = new FxIntCast(ma);
for (index = 0; index < max; index++)
min.Push(new FxIntCast(mi[index]));
}
else min = max = NULL;
else min.Clear();
rng = r;
ValueType = VAL_Int;
}
@ -1717,8 +1719,7 @@ FxPick::FxPick(FRandom * r, FxExpression *mi, FxExpression *ma, const FScriptPos
FxPick::~FxPick()
{
SAFE_DELETE(min);
SAFE_DELETE(max);
min.Clear();
}
//==========================================================================
@ -1729,12 +1730,17 @@ FxPick::~FxPick()
FxExpression *FxPick::Resolve(FCompileContext &ctx)
{
int index = 0;
CHECKRESOLVED();
if (min && max)
int max = min.Size();
if (max > 0)
{
RESOLVE(min, ctx);
RESOLVE(max, ctx);
ABORT(min && max);
for (index = 0; index < max; index++)
{
RESOLVE(min[index], ctx);
ABORT(min[index]);
}
}
return this;
};
@ -1750,22 +1756,11 @@ ExpVal FxPick::EvalExpression(AActor *self)
{
ExpVal val;
val.Type = VAL_Int;
if (min != NULL && max != NULL)
int max = min.Size();
if (max > 0)
{
int minval = min->EvalExpression(self).GetInt();
int maxval = max->EvalExpression(self).GetInt();
if (maxval < minval)
{
swapvalues(maxval, minval);
}
val.Int = (*rng)(2); //rng->operator()(2); //(maxval - minval + 1) + minval;
if (val.Int > 0)
val.Int = maxval;
else
val.Int = minval;
int select = (*rng)(max);
val.Int = min[select]->EvalExpression(self).GetInt();
}
else
{