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- fixed: The states parser tried to simplify the head node for random duration but it has to simplify the two value nodes separately.

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- added jump by index to ZScript.
This commit is contained in:
Christoph Oelckers 2016-11-05 00:39:00 +01:00
parent 8ae7aae14a
commit b6633bc489
6 changed files with 40 additions and 10 deletions
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1
src/dobjtype.h
View file

@ -718,6 +718,7 @@ public:
};
TArray<Variant> Variants;
PClass *OwningClass = nullptr;
int StateCount = 0; // needed to process state indices later.
unsigned AddVariant(PPrototype *proto, TArray<DWORD> &argflags, TArray<FName> &argnames, VMFunction *impl, int flags);
int GetImplicitArgs()

29
src/scripting/codegeneration/codegen.cpp
View file

@ -1416,6 +1416,26 @@ FxExpression *FxTypeCast::Resolve(FCompileContext &ctx)
delete this;
return x;
}
else if (basex->IsNumeric() && basex->ValueType != TypeSound && basex->ValueType != TypeColor)
{
if (ctx.Function->SymbolName != NAME_None || !(ctx.Function->Variants[0].Flags & VARF_Action))
{
ScriptPosition.Message(MSG_ERROR, "State jumps with index can only be used in anonymous state functions.");
delete this;
return nullptr;
}
if (ctx.Function->StateCount != 1)
{
ScriptPosition.Message(MSG_ERROR, "State jumps with index cannot be used on multistate definitions");
delete this;
return nullptr;
}
FxExpression *x = new FxRuntimeStateIndex(basex);
x = x->Resolve(ctx);
basex = nullptr;
delete this;
return x;
}
}
else if (ValueType->IsKindOf(RUNTIME_CLASS(PClassPointer)))
{
@ -7859,6 +7879,12 @@ FxExpression *FxRuntimeStateIndex::Resolve(FCompileContext &ctx)
delete this;
return nullptr;
}
else if (Index->isConstant() && static_cast<FxConstant *>(Index) < 0)
{
ScriptPosition.Message(MSG_ERROR, "State index must be positive");
delete this;
return nullptr;
}
else if (Index->ValueType->GetRegType() != REGT_INT)
{ // Float.
Index = new FxIntCast(Index, ctx.FromDecorate);
@ -7912,8 +7938,7 @@ static int BuiltinHandleRuntimeState(VMFrameStack *stack, VMValue *param, TArray
ExpEmit FxRuntimeStateIndex::Emit(VMFunctionBuilder *build)
{
// This code can only be called from DECORATE, not ZSCRIPT so any function going through here
// is an anoynmous one which are always marked as 'action'.
// This can only be called from inline state functions which must be VARF_Action.
assert(build->NumImplicits >= NAP && build->Registers[REGT_POINTER].GetMostUsed() >= build->NumImplicits &&
"FxRuntimeStateIndex is only valid inside action functions");

2
src/scripting/decorate/thingdef_states.cpp
View file

@ -322,7 +322,7 @@ do_stop:
endofstate:
if (ScriptCode != nullptr)
{
auto funcsym = CreateAnonymousFunction(actor, nullptr, VARF_Method | VARF_Action);
auto funcsym = CreateAnonymousFunction(actor, nullptr, VARF_Method | VARF_Action, (int)statestring.Len());
state.ActionFunc = FunctionBuildList.AddFunction(funcsym, ScriptCode, FStringf("%s.StateFunction.%d", actor->TypeName.GetChars(), bag.statedef.GetStateCount()), true);
}
int count = bag.statedef.AddStates(&state, statestring);

5
src/scripting/thingdef.cpp
View file

@ -132,7 +132,7 @@ void SetImplicitArgs(TArray<PType *> *args, TArray<DWORD> *argflags, TArray<FNam
//
//==========================================================================
PFunction *CreateAnonymousFunction(PClass *containingclass, PType *returntype, int flags)
PFunction *CreateAnonymousFunction(PClass *containingclass, PType *returntype, int flags, int statecount)
{
TArray<PType *> rets(1);
TArray<PType *> args;
@ -143,6 +143,7 @@ PFunction *CreateAnonymousFunction(PClass *containingclass, PType *returntype, i
SetImplicitArgs(&args, &argflags, &argnames, containingclass, flags);
PFunction *sym = new PFunction(containingclass, NAME_None); // anonymous functions do not have names.
sym->StateCount = statecount;
sym->AddVariant(NewPrototype(rets, args), argflags, argnames, nullptr, flags);
return sym;
}
@ -201,7 +202,7 @@ void CreateDamageFunction(PClassActor *info, AActor *defaults, FxExpression *id,
else
{
auto dmg = new FxReturnStatement(new FxIntCast(id, true), id->ScriptPosition);
auto funcsym = CreateAnonymousFunction(info, TypeSInt32, VARF_Method);
auto funcsym = CreateAnonymousFunction(info, TypeSInt32, VARF_Method, 0);
defaults->DamageFunc = FunctionBuildList.AddFunction(funcsym, dmg, FStringf("%s.DamageFunction", info->TypeName.GetChars()), fromDecorate);
}
}

2
src/scripting/thingdef.h
View file

@ -153,7 +153,7 @@ FxExpression *ParseActions(FScanner &sc, FState state, FString statestring, Bagg
class FxVMFunctionCall *ParseAction(FScanner &sc, FState state, FString statestring, Baggage &bag);
FName CheckCastKludges(FName in);
void SetImplicitArgs(TArray<PType *> *args, TArray<DWORD> *argflags, TArray<FName> *argnames, PClass *cls, DWORD funcflags);
PFunction *CreateAnonymousFunction(PClass *containingclass, PType *returntype, int flags);
PFunction *CreateAnonymousFunction(PClass *containingclass, PType *returntype, int flags, int statecount);
PFunction *FindClassMemberFunction(PClass *cls, PClass *funccls, FName name, FScriptPosition &sc, bool *error);
void CreateDamageFunction(PClassActor *info, AActor *defaults, FxExpression *id, bool fromDecorate);

11
src/scripting/zscript/zcc_compile.cpp
View file

@ -2248,6 +2248,7 @@ void ZCCCompiler::CompileStates()
FString statename; // The state builder wants the label as one complete string, not separated into tokens.
FStateDefinitions statedef;
statedef.MakeStateDefines(dyn_cast<PClassActor>(c->Type()->ParentClass));
int numframes = 0;
for (auto s : c->States)
{
@ -2279,13 +2280,15 @@ void ZCCCompiler::CompileStates()
// It is important to call CheckRandom before Simplify, because Simplify will resolve the function's name to nonsense
if (CheckRandom(sl->Duration))
{
auto func = static_cast<ZCC_ExprFuncCall *>(Simplify(sl->Duration, &c->Type()->Symbols, true));
auto func = static_cast<ZCC_ExprFuncCall *>(sl->Duration);
if (func->Parameters == func->Parameters->SiblingNext || func->Parameters != func->Parameters->SiblingNext->SiblingNext)
{
Error(sl, "Random duration requires exactly 2 parameters");
}
int v1 = GetInt(func->Parameters->Value);
int v2 = GetInt(static_cast<ZCC_FuncParm *>(func->Parameters->SiblingNext)->Value);
auto p1 = Simplify(func->Parameters->Value, &c->Type()->Symbols, true);
auto p2 = Simplify(static_cast<ZCC_FuncParm *>(func->Parameters->SiblingNext)->Value, &c->Type()->Symbols, true);
int v1 = GetInt(p1);
int v2 = GetInt(p2);
if (v1 > v2) std::swap(v1, v2);
state.Tics = (int16_t)clamp<int>(v1, 0, INT16_MAX);
state.TicRange = (uint16_t)clamp<int>(v2 - v1, 0, UINT16_MAX);
@ -2346,7 +2349,7 @@ void ZCCCompiler::CompileStates()
auto code = SetupActionFunction(static_cast<PClassActor *>(c->Type()), sl->Action);
if (code != nullptr)
{
auto funcsym = CreateAnonymousFunction(c->Type(), nullptr, VARF_Method | VARF_Action);
auto funcsym = CreateAnonymousFunction(c->Type(), nullptr, VARF_Method | VARF_Action, (int)sl->Frames->Len());
state.ActionFunc = FunctionBuildList.AddFunction(funcsym, code, FStringf("%s.StateFunction.%d", c->Type()->TypeName.GetChars(), statedef.GetStateCount()), false);
}
}