size_t PropagateMark()
{
DObject *obj = Gray;
assert(obj->IsGray());
obj->Gray2Black();
Gray = obj->GCNext;
return !(obj->ObjectFlags & OF_EuthanizeMe) ? obj->PropagateMark() :
obj->GetClass()->GetSize();
}
void DObject::PointerSubstitution (DObject *old, DObject *notOld)
{
unsigned int i, highest;
highest = Objects.Size ();
for (i = 0; i <= highest; i++)
{
DObject *current = i < highest ? Objects[i] : NULL;
// DObject *current = i < highest ? Objects[i] : &bglobal;
if (current)
{
const PClass *info = current->GetClass();
const size_t *offsets = info->FlatPointers;
if (offsets == NULL)
{
const_cast<PClass *>(info)->BuildFlatPointers();
offsets = info->FlatPointers;
}
while (*offsets != ~(size_t)0)
{
if (*(DObject **)((BYTE *)current + *offsets) == old)
{
*(DObject **)((BYTE *)current + *offsets) = notOld;
}
offsets++;
}
}
}
for (i = 0; i < BODYQUESIZE; ++i)
{
if (bodyque[i] == old)
{
bodyque[i] = static_cast<AActor *>(notOld);
}
}
// This is an ugly hack, but it's the best I can do for now.
for (i = 0; i < MAXPLAYERS; i++)
{
if (playeringame[i])
players[i].FixPointers (old, notOld);
}
if (sectors != NULL)
{
for (i = 0; i < (unsigned int)numsectors; ++i)
{
if (sectors[i].SoundTarget == old)
{
sectors[i].SoundTarget = static_cast<AActor *>(notOld);
}
}
}
}
// Search for references to all objects scheduled for
// destruction and NULL them.
void DObject::DestroyScan ()
{
unsigned int i, highest;
int j, destroycount;
DObject **destroybase;
destroycount = (int)ToDestroy.Size ();
if (destroycount == 0)
return;
destroybase = &ToDestroy[0] + destroycount;
destroycount = -destroycount;
highest = Objects.Size ();
for (i = 0; i <= highest; i++)
{
DObject *current = i < highest ? Objects[i] : NULL;
// DObject *current = i < highest ? Objects[i] : &bglobal;
if (current)
{
const PClass *info = current->GetClass();
const size_t *offsets = info->FlatPointers;
if (offsets == NULL)
{
const_cast<PClass *>(info)->BuildFlatPointers();
offsets = info->FlatPointers;
}
while (*offsets != ~(size_t)0)
{
j = destroycount;
do
{
if (*(DObject **)((BYTE *)current + *offsets) == *(destroybase + j))
{
*(DObject **)((BYTE *)current + *offsets) = NULL;
}
} while (++j);
offsets++;
}
}
}
j = destroycount;
do
{
for (i = 0; i < BODYQUESIZE; ++i)
{
if (bodyque[i] == *(destroybase + j))
{
bodyque[i] = NULL;
}
}
} while (++j);
// This is an ugly hack, but it's the best I can do for now.
for (i = 0; i < MAXPLAYERS; i++)
{
if (playeringame[i])
{
j = destroycount;
do
{
players[i].FixPointers (*(destroybase + j), NULL);
} while (++j);
}
}
for (i = 0; i < (unsigned int)numsectors; ++i)
{
j = destroycount;
do
{
if (sectors[i].SoundTarget == *(destroybase + j))
{
sectors[i].SoundTarget = NULL;
}
} while (++j);
}
}