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- fixed: the restart CCMD must clear out all statically stored pointers to VM functions because they do not survive the shutdown that is needed before loading new data.

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This commit is contained in:
Christoph Oelckers 2017-01-31 13:41:23 +01:00
parent f0a325a904
commit 3131c08640
6 changed files with 25 additions and 6 deletions
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17
src/dobjtype.cpp
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@ -69,6 +69,7 @@ FNamespaceManager Namespaces;
FTypeTable TypeTable;
TArray<PClass *> PClass::AllClasses;
TArray<VMFunction**> PClass::FunctionPtrList;
bool PClass::bShutdown;
bool PClass::bVMOperational;
@ -2840,6 +2841,12 @@ void PClass::StaticShutdown ()
TArray<size_t *> uniqueFPs(64);
unsigned int i, j;
// delete all variables containing pointers to script functions.
for (auto p : FunctionPtrList)
{
*p = nullptr;
}
FunctionPtrList.Clear();
// Make a full garbage collection here so that all destroyed but uncollected higher level objects that still exist can be properly taken down.
GC::FullGC();
@ -3547,6 +3554,16 @@ VMFunction *PClass::FindFunction(FName clsname, FName funcname)
return func->Variants[0].Implementation;
}
void PClass::FindFunction(VMFunction **pptr, FName clsname, FName funcname)
{
auto cls = PClass::FindActor(clsname);
if (!cls) return;
auto func = dyn_cast<PFunction>(cls->Symbols.FindSymbol(funcname, true));
if (!func) return;
*pptr = func->Variants[0].Implementation;
FunctionPtrList.Push(pptr);
}
/* FTypeTable **************************************************************/

2
src/dobjtype.h
View file

@ -848,9 +848,11 @@ public:
static PClassActor *FindActor(ENamedName name) { return FindActor(FName(name)); }
static PClassActor *FindActor(FName name);
static VMFunction *FindFunction(FName cls, FName func);
static void FindFunction(VMFunction **pptr, FName cls, FName func);
PClass *FindClassTentative(FName name);
static TArray<PClass *> AllClasses;
static TArray<VMFunction**> FunctionPtrList;
static bool bShutdown;
static bool bVMOperational;

2
src/g_inventory/a_pickups.cpp
View file

@ -522,7 +522,7 @@ DEFINE_ACTION_FUNCTION(AInventory, DoRespawn)
bool AInventory::CallTryPickup(AActor *toucher, AActor **toucher_return)
{
static VMFunction *func = nullptr;
if (func == nullptr) func = PClass::FindFunction(NAME_Inventory, NAME_CallTryPickup);
if (func == nullptr) PClass::FindFunction(&func, NAME_Inventory, NAME_CallTryPickup);
VMValue params[2] = { (DObject*)this, toucher };
VMReturn ret[2];
int res;

4
src/g_statusbar/sbarinfo_commands.cpp
View file

@ -1437,7 +1437,7 @@ class CommandDrawNumber : public CommandDrawString
{
// num = statusBar.CPlayer.mo.GetEffectTicsForItem(inventoryItem) / TICRATE + 1;
static VMFunction *func = nullptr;
if (func == nullptr) func = PClass::FindFunction(NAME_PlayerPawn, "GetEffectTicsForItem");
if (func == nullptr) PClass::FindFunction(&func, NAME_PlayerPawn, "GetEffectTicsForItem");
VMValue params[] = { statusBar->CPlayer->mo, inventoryItem };
int retv;
VMReturn ret(&retv);
@ -2830,7 +2830,7 @@ class CommandDrawBar : public SBarInfoCommand
// [value, max] = statusBar.CPlayer.mo.GetEffectTicsForItem(inventoryItem);
// value++; max++;
static VMFunction *func = nullptr;
if (func == nullptr) func = PClass::FindFunction(NAME_PlayerPawn, "GetEffectTicsForItem");
if (func == nullptr) PClass::FindFunction(&func, NAME_PlayerPawn, "GetEffectTicsForItem");
VMValue params[] = { statusBar->CPlayer->mo, data.inventoryItem };
VMReturn ret[2];
int ival;

2
src/m_cheat.cpp
View file

@ -478,7 +478,7 @@ void cht_DoCheat (player_t *player, int cheat)
if (player->mo != NULL && player->health >= 0)
{
static VMFunction *gsp = nullptr;
if (gsp == nullptr) gsp = PClass::FindFunction(NAME_Sigil, NAME_GiveSigilPiece);
if (gsp == nullptr) PClass::FindFunction(&gsp, NAME_Sigil, NAME_GiveSigilPiece);
if (gsp)
{
VMValue params[1] = { player->mo };

4
src/p_acs.cpp
View file

@ -6203,7 +6203,7 @@ static bool CharArrayParms(int &capacity, int &offset, int &a, int *Stack, int &
static void SetMarineWeapon(AActor *marine, int weapon)
{
static VMFunction *smw = nullptr;
if (smw == nullptr) smw = PClass::FindFunction(NAME_ScriptedMarine, NAME_SetWeapon);
if (smw == nullptr) PClass::FindFunction(&smw, NAME_ScriptedMarine, NAME_SetWeapon);
if (smw)
{
VMValue params[2] = { marine, weapon };
@ -6214,7 +6214,7 @@ static void SetMarineWeapon(AActor *marine, int weapon)
static void SetMarineSprite(AActor *marine, PClassActor *source)
{
static VMFunction *sms = nullptr;
if (sms == nullptr) sms = PClass::FindFunction(NAME_ScriptedMarine, NAME_SetSprite);
if (sms == nullptr) PClass::FindFunction(&sms, NAME_ScriptedMarine, NAME_SetSprite);
if (sms)
{
VMValue params[2] = { marine, source };