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Add float user vars for DECORATE

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- PClass::Extend now takes alignment into consideration.
This commit is contained in:
Randy Heit 2016-03-29 21:48:57 -05:00
parent a92de84cf7
commit e2711a74e7
3 changed files with 15 additions and 13 deletions
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15
src/dobjtype.cpp
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@ -2403,22 +2403,23 @@ PClass *PClass::CreateDerivedClass(FName name, unsigned int size)
//==========================================================================
//
// PClass:: Extend
// PClass :: Extend
//
// Add <extension> bytes to the end of this class. Returns the previous
// size of the class.
// Add <extension> bytes to the end of this class and possibly more to meet
// alignment restrictions. Returns the start of the extended block.
//
//==========================================================================
unsigned int PClass::Extend(unsigned int extension)
unsigned int PClass::Extend(unsigned int extension, unsigned int alignment)
{
assert(this->bRuntimeClass);
unsigned int oldsize = Size;
Size += extension;
unsigned int padto = (oldsize + alignment - 1) & ~(alignment - 1);
Size = padto + extension;
Defaults = (BYTE *)M_Realloc(Defaults, Size);
memset(Defaults + oldsize, 0, extension);
return oldsize;
memset(Defaults + oldsize, 0, Size - oldsize);
return padto;
}
//==========================================================================

3
src/dobjtype.h
View file

@ -660,7 +660,8 @@ public:
void InsertIntoHash();
DObject *CreateNew() const;
PClass *CreateDerivedClass(FName name, unsigned int size);
unsigned int Extend(unsigned int extension);
unsigned int Extend(unsigned int extension, unsigned int alignment);
unsigned int Extend(const PType *type) { return Extend(type->Size, type->Align); }
void InitializeActorInfo();
void BuildFlatPointers();
const PClass *NativeClass() const;

10
src/thingdef/thingdef_parse.cpp
View file

@ -531,14 +531,14 @@ static void ParseUserVariable (FScanner &sc, PSymbolTable *symt, PClassActor *cl
sc.ScriptError("Native classes may not have user variables");
}
// Read the type and make sure it's int.
// Read the type and make sure it's acceptable.
sc.MustGetAnyToken();
if (sc.TokenType != TK_Int)
if (sc.TokenType != TK_Int && sc.TokenType != TK_Float)
{
sc.ScriptMessage("User variables must be of type int");
sc.ScriptMessage("User variables must be of type 'int' or 'float'");
FScriptPosition::ErrorCounter++;
}
type = TypeSInt32;
type = sc.TokenType == TK_Int ? (PType *)TypeSInt32 : (PType *)TypeFloat64;
sc.MustGetToken(TK_Identifier);
// For now, restrict user variables to those that begin with "user_" to guarantee
@ -585,7 +585,7 @@ static void ParseUserVariable (FScanner &sc, PSymbolTable *symt, PClassActor *cl
sc.MustGetToken(';');
PField *sym = new PField(symname, type, 0);
sym->Offset = cls->Extend(sizeof(int) * maxelems);
sym->Offset = cls->Extend(type);
if (symt->AddSymbol(sym) == NULL)
{
delete sym;