bool FState::CallAction(AActor *self, AActor *stateowner, FStateParamInfo *info, FState **stateret)
{
if (ActionFunc != nullptr)
{
ActionCycles.Clock();
VMValue params[3] = { self, stateowner, VMValue(info) };
// If the function returns a state, store it at *stateret.
// If it doesn't return a state but stateret is non-nullptr, we need
// to set *stateret to nullptr.
if (stateret != nullptr)
{
*stateret = nullptr;
if (ActionFunc->Proto == nullptr ||
ActionFunc->Proto->ReturnTypes.Size() == 0 ||
ActionFunc->Proto->ReturnTypes[0] != TypeState)
{
stateret = nullptr;
}
}
try
{
if (stateret == nullptr)
{
VMCall(ActionFunc, params, ActionFunc->ImplicitArgs, nullptr, 0);
}
else
{
VMReturn ret;
ret.PointerAt((void **)stateret);
VMCall(ActionFunc, params, ActionFunc->ImplicitArgs, &ret, 1);
}
}
catch (CVMAbortException &err)
{
err.MaybePrintMessage();
const char *callinfo = "";
if (info != nullptr && info->mStateType == STATE_Psprite)
{
if (stateowner->IsKindOf(NAME_Weapon) && stateowner != self) callinfo = "weapon ";
else callinfo = "overlay ";
}
err.stacktrace.AppendFormat("Called from %sstate %s in %s\n", callinfo, FState::StaticGetStateName(this).GetChars(), stateowner->GetClass()->TypeName.GetChars());
throw;
throw;
}
ActionCycles.Unclock();
return true;
}
else
{
return false;
}
}
bool FState::CallAction(AActor *self, AActor *stateowner, FStateParamInfo *info, FState **stateret)
{
if (ActionFunc != NULL)
{
ActionCycles.Clock();
static VMFrameStack stack;
VMValue params[3] = { self, stateowner, VMValue(info, ATAG_STATEINFO) };
// If the function returns a state, store it at *stateret.
// If it doesn't return a state but stateret is non-NULL, we need
// to set *stateret to NULL.
if (stateret != NULL)
{
*stateret = NULL;
if (ActionFunc->Proto == NULL ||
ActionFunc->Proto->ReturnTypes.Size() == 0 ||
ActionFunc->Proto->ReturnTypes[0] != TypeState)
{
stateret = NULL;
}
}
if (stateret == NULL)
{
stack.Call(ActionFunc, params, countof(params), NULL, 0, NULL);
}
else
{
VMReturn ret;
ret.PointerAt((void **)stateret);
stack.Call(ActionFunc, params, countof(params), &ret, 1, NULL);
}
ActionCycles.Unclock();
return true;
}
else
{
return false;
}
}