void PyrGC::DumpSet(int i)
{
GCSet *set = mSets + i;
// scan black list
PyrObjectHdr *obj = set->mBlack.next;
while (!IsMarker(obj)) {
post("black %s %d %d\n", slotRawSymbol(&obj->classptr->name)->name, obj->obj_sizeclass, obj->size);
obj = obj->next;
}
// scan white list
obj = set->mWhite.next;
while (obj != set->mFree) {
post("white %s %d %d\n", slotRawSymbol(&obj->classptr->name)->name, obj->obj_sizeclass, obj->size);
obj = obj->next;
}
// scan free list
obj = set->mFree;
while (!IsMarker(obj)) {
post("free %s %d %d\n", slotRawSymbol(&obj->classptr->name)->name, obj->obj_sizeclass, obj->size);
obj = obj->next;
}
}
void PyrGC::ClearMarks()
{
for (int i=0; i<kNumGCSets; ++i) {
GCSet *set = mSets + i;
// scan black list
PyrObjectHdr *obj = set->mBlack.next;
while (!IsMarker(obj)) {
obj->ClearMark(); // unmark it
obj = obj->next;
}
// scan grey list
obj = mGrey.next;
while (!IsMarker(obj)) {
obj->ClearMark(); // unmark it
obj = obj->next;
}
// scan white list
obj = set->mWhite.next;
while (obj != set->mFree) {
obj->ClearMark(); // unmark it
obj = obj->next;
}
// scan free list
obj = set->mFree;
while (!IsMarker(obj)) {
obj->ClearMark(); // unmark it
obj = obj->next;
}
}
}
void PyrGC::DumpInfo()
{
int i;
PyrObjectHdr *obj;
int numblack, numwhite, numfree, settotal, setsiztotal;
int totblack, totgrey, totwhite, totfree, totref, total, siztotal;
REPORTPAUSE
post("flips %d collects %d nalloc %d alloc %d grey %d\n", mFlips, mCollects, mNumAllocs, mAllocTotal, mNumGrey);
totblack = 0;
totgrey = 0;
totwhite = 0;
totfree = 0;
totref = 0;
total = 0;
siztotal = 0;
for (i=0; i<kNumGCSizeClasses; ++i) {
GCSet *set = mSets + i;
// scan black list
numblack = 0;
obj = set->mBlack.next;
while (!IsMarker(obj)) {
numblack++;
obj = obj->next;
}
// scan white list
numwhite = 0;
obj = set->mWhite.next;
while (obj != set->mFree) {
numwhite++;
obj = obj->next;
}
// scan free list
numfree = 0;
obj = set->mFree;
while (!IsMarker(obj)) {
numfree++;
obj = obj->next;
}
settotal = numblack + numwhite + numfree;
setsiztotal = settotal << (i + 3);
siztotal += setsiztotal;
totblack += numblack;
totwhite += numwhite;
totfree += numfree;
total += settotal;
if (settotal) {
post("%2d bwf t sz: %6d %6d %6d %6d %8d\n", i,
numblack, numwhite, numfree, settotal, setsiztotal);
}
}
post("tot bwf t sz: %6d %6d %6d %6d %8d\n",
totblack, totwhite, totfree, total, siztotal);
}
static void W_CoalesceMarkedResource(const char *start_marker,
const char *end_marker, int li_namespace)
{
lumpinfo_t *marked = malloc(sizeof(*marked) * numlumps);
size_t i, num_marked = 0, num_unmarked = 0;
int is_marked = 0, mark_end = 0;
lumpinfo_t *lump = lumpinfo;
for (i=numlumps; i--; lump++)
if (IsMarker(start_marker, lump->name)) // start marker found
{ // If this is the first start marker, add start marker to marked lumps
if (!num_marked)
{
strncpy(marked->name, start_marker, 8);
marked->size = 0; // killough 3/20/98: force size to be 0
marked->li_namespace = ns_global; // killough 4/17/98
marked->wadfile = NULL;
num_marked = 1;
}
is_marked = 1; // start marking lumps
}
else
if (IsMarker(end_marker, lump->name)) // end marker found
{
mark_end = 1; // add end marker below
is_marked = 0; // stop marking lumps
}
else
if (is_marked) // if we are marking lumps,
{ // move lump to marked list
marked[num_marked] = *lump;
marked[num_marked++].li_namespace = li_namespace; // killough 4/17/98
}
else
lumpinfo[num_unmarked++] = *lump; // else move down THIS list
// Append marked list to end of unmarked list
memcpy(lumpinfo + num_unmarked, marked, num_marked * sizeof(*marked));
free(marked); // free marked list
numlumps = num_unmarked + num_marked; // new total number of lumps
if (mark_end) // add end marker
{
lumpinfo[numlumps].size = 0; // killough 3/20/98: force size to be 0
lumpinfo[numlumps].wadfile = NULL;
lumpinfo[numlumps].li_namespace = ns_global; // killough 4/17/98
strncpy(lumpinfo[numlumps++].name, end_marker, 8);
}
}
PyrObject *PyrGC::NewFrame(size_t inNumBytes, long inFlags, long inFormat, bool inAccount)
{
PyrObject *obj = NULL;
#if SANITYCHECK
SanityCheck();
#endif
// obtain size info
int32 alignedSize = (inNumBytes + kAlignMask) & ~kAlignMask; // 16 byte align
int32 numSlots = alignedSize / sizeof(PyrSlot);
numSlots = numSlots < 1 ? 1 : numSlots;
int32 sizeclass = LOG2CEIL(numSlots);
sizeclass = sc_min(sizeclass, kNumGCSizeClasses-1);
int32 credit = 1L << sizeclass;
mAllocTotal += credit;
mNumAllocs++;
if (inAccount) {
mNumToScan += credit;
if (mNumToScan >= kScanThreshold) {
Collect();
}
}
GCSet *gcs = mSets + sizeclass;
obj = (PyrObject*)gcs->mFree;
if (!IsMarker(obj)) {
// from free list
gcs->mFree = obj->next;
} else {
if (sizeclass > kMaxPoolSet) {
SweepBigObjects();
int32 allocSize = sizeof(PyrObjectHdr) + (sizeof(PyrSlot) << sizeclass);
obj = (PyrObject*)mPool->Alloc(allocSize);
} else {
int32 allocSize = sizeof(PyrObjectHdr) + (sizeof(PyrSlot) << sizeclass);
obj = (PyrObject*)mNewPool.Alloc(allocSize);
}
if (!obj) {
post("Frame alloc failed. size = %d\n", inNumBytes);
MEMFAILED;
}
DLInsertAfter(&gcs->mWhite, obj);
}
obj->obj_sizeclass = sizeclass;
obj->obj_format = inFormat;
obj->obj_flags = inFlags;
obj->size = 0;
obj->classptr = class_frame;
obj->gc_color = mWhiteColor;
#if SANITYCHECK
SanityCheck();
#endif
return obj;
}
PyrObject *PyrGC::NewFinalizer(ObjFuncPtr finalizeFunc, PyrObject *inObject, bool inCollect)
{
PyrObject *obj = NULL;
#ifdef GC_SANITYCHECK
SanityCheck();
#endif
// obtain size info
int32 sizeclass = 1;
int32 credit = 1L << sizeclass;
mNumToScan += credit;
mAllocTotal += credit;
mNumAllocs++;
if (inCollect && mNumToScan >= kScanThreshold) {
Collect();
}
GCSet *gcs = mSets + kFinalizerSet;
obj = (PyrObject*)gcs->mFree;
if (!IsMarker(obj)) {
// from free list
gcs->mFree = obj->next;
} else {
if (sizeclass > kMaxPoolSet) {
SweepBigObjects();
int32 allocSize = sizeof(PyrObjectHdr) + (sizeof(PyrSlot) << sizeclass);
obj = (PyrObject*)mPool->Alloc(allocSize);
} else {
int32 allocSize = sizeof(PyrObjectHdr) + (sizeof(PyrSlot) << sizeclass);
obj = (PyrObject*)mNewPool.Alloc(allocSize);
}
if (!obj) {
post("Finalizer alloc failed.\n");
MEMFAILED;
}
DLInsertAfter(&gcs->mWhite, obj);
}
obj->obj_sizeclass = sizeclass;
obj->obj_format = obj_slot;
obj->obj_flags = 0;
obj->size = 2;
obj->classptr = class_finalizer;
obj->gc_color = mWhiteColor;
SetPtr(obj->slots+0, (void*)finalizeFunc);
SetObject(obj->slots+1, inObject);
#ifdef GC_SANITYCHECK
SanityCheck();
#endif
return obj;
}
void PyrGC::DumpGrey()
{
// scan grey list
PyrObjectHdr *obj = mGrey.next;
while (!IsMarker(obj)) {
post("grey %s %d %d\n", slotRawSymbol(&obj->classptr->name)->name, obj->obj_sizeclass, obj->size);
obj = obj->next;
}
}
void PyrGC::SweepBigObjects()
{
if (!mCanSweep) return;
for (int i=kMaxPoolSet+1; i<kNumGCSizeClasses; ++i) {
GCSet *gcs = mSets + i;
PyrObjectHdr *obj = gcs->mFree;
if (!IsMarker(obj)) {
// unlink chain of free objects
gcs->mFree = obj->prev->next = &gcs->mBlack;
gcs->mBlack.prev = obj->prev;
do {
PyrObjectHdr *nextobj = obj->next;
void* ptr = (void*)obj;
mPool->Free(ptr);
obj = nextobj;
} while (!IsMarker(obj));
}
}
mCanSweep = false;
}
bool PyrGC::SanityCheck2()
{
int numgrey = 0;
PyrObjectHdr *grey = mGrey.next;
while (!IsMarker(grey)) {
numgrey++;
if (!IsGrey(grey)) {
postfl("sc Object on grey list not grey %d %d %d\n", grey->gc_color, mGreyColor, numgrey);
return false;
}
grey = grey->next;
}
//postfl("sc %d %d\n", mNumGrey, numgrey);
return mNumGrey == numgrey;
}
void PyrGC::RunAllFinalizers()
{
GCSet *gcs = &mSets[kFinalizerSet];
PyrObjectHdr *obj = gcs->mBlack.next;
while (!IsMarker(obj)) {
Finalize((PyrObject*)obj);
obj = obj->next;
}
obj = gcs->mWhite.next;
PyrObjectHdr *firstFreeObj = gcs->mFree;
while (obj != firstFreeObj) {
Finalize((PyrObject*)obj);
obj = obj->next;
}
obj = mGrey.next;
while (!IsMarker(obj)) {
if (obj->classptr == class_finalizer)
Finalize((PyrObject*)obj);
obj = obj->next;
}
}
void GCSet::MajorFlip()
{
// move all white items to beginning of free list
mFree = mWhite.next;
if (!IsMarker(mBlack.next)) {
// move all black items to white list
mWhite.next = mBlack.next;
mFree->prev = mWhite.prev;
mBlack.next->prev = &mWhite;
mWhite.prev->next = mFree;
// black list empty
mBlack.next = &mWhite;
mWhite.prev = &mBlack;
}
}
HOT bool PyrGC::ScanOneObj()
{
// Find a set that has a grey object
PyrObject* obj;
obj = (PyrObject*)mGrey.next;
if (IsMarker(obj)) {
if (mNumGrey) fatalerror("grey count error\n");
return false;
}
/*if (!IsGrey(obj)) {
postfl("Object on grey list not grey %d %d\n", obj->gc_color, mGreyColor);
fatalerror("C1");
}*/
mScans++;
//post("-> scan %d %d %d\n", mNumGrey, IsGrey(obj), mNumToScan);
// Found a grey object
// move obj from grey to black
ToBlack(obj);
int32 size = ScanSize(obj);
//post("<- scan %d %d %d %d\n", mNumGrey, IsGrey(obj), mNumToScan, size);
if (size > mNumToScan + 32)
{
mPartialScanObj = obj;
mPartialScanSlot = 0;
DoPartialScan(size);
}
else if (size > 0)
{
ScanSlots(obj->slots, size);
mNumToScan -= 1L << obj->obj_sizeclass;
if (mNumToScan < 0) mNumToScan = 0;
} else {
mNumToScan -= 1L << obj->obj_sizeclass;
if (mNumToScan < 0) mNumToScan = 0;
}
return true;
}
static int W_CoalesceMarkedResource(const char *start_marker,
const char *end_marker, int li_namespace)
{
int result = 0;
lumpinfo_t *marked = malloc(sizeof(*marked) * numlumps);
size_t i, num_marked = 0, num_unmarked = 0;
int is_marked = 0, mark_end = 0;
lumpinfo_t *lump = lumpinfo;
for (i=numlumps; i--; lump++)
if (IsMarker(start_marker, lump->name)) // start marker found
{ // If this is the first start marker, add start marker to marked lumps
if (!num_marked)
{
strncpy(marked->name, start_marker, 8);
marked->size = 0; // killough 3/20/98: force size to be 0
marked->li_namespace = ns_global; // killough 4/17/98
marked->wadfile = NULL;
num_marked = 1;
}
is_marked = 1; // start marking lumps
}
else if (IsMarker(end_marker, lump->name)) // end marker found
{
mark_end = 1; // add end marker below
is_marked = 0; // stop marking lumps
}
else if (is_marked || lump->li_namespace == li_namespace)
{
// if we are marking lumps,
// move lump to marked list
// sf: check for namespace already set
// sf 26/10/99:
// ignore sprite lumps smaller than 8 bytes (the smallest possible)
// in size -- this was used by some dmadds wads
// as an 'empty' graphics resource
if(li_namespace != ns_sprites || lump->size > 8)
{
marked[num_marked] = *lump;
marked[num_marked++].li_namespace = li_namespace; // killough 4/17/98
result++;
}
}
else
lumpinfo[num_unmarked++] = *lump; // else move down THIS list
// Append marked list to end of unmarked list
memcpy(lumpinfo + num_unmarked, marked, num_marked * sizeof(*marked));
free(marked); // free marked list
numlumps = num_unmarked + num_marked; // new total number of lumps
if (mark_end) // add end marker
{
lumpinfo[numlumps].size = 0; // killough 3/20/98: force size to be 0
lumpinfo[numlumps].wadfile = NULL;
lumpinfo[numlumps].li_namespace = ns_global; // killough 4/17/98
strncpy(lumpinfo[numlumps++].name, end_marker, 8);
}
return result;
}
bool PyrGC::ListSanity()
{
bool found;
if (StackDepth() < 0) {
fprintf(stderr, "stack underflow %d\n", (int)StackDepth());
return false;
}
//postfl("PyrGC::ListSanity\n");
for (int i=0; i<kNumGCSets; ++i) {
PyrObjectHdr *obj;
GCSet* set = mSets + i;
// check black marker
obj = &set->mBlack;
if (!IsMarker(obj)) {
//debugf("set %d black marker color wrong %d %p\n", i, obj->gc_color, obj);
fprintf(stderr, "set %d black marker color wrong %d %p\n", i, obj->gc_color, obj);
setPostFile(stderr);
DumpBackTrace(mVMGlobals);
dumpBadObject((PyrObject*)obj);
return false;
}
// check white marker
obj = &set->mWhite;
if (!IsMarker(obj)) {
//debugf("set %d white marker color wrong %d %p\n", i, obj->gc_color, obj);
fprintf(stderr, "set %d white marker color wrong %d %p\n", i, obj->gc_color, obj);
setPostFile(stderr);
DumpBackTrace(mVMGlobals);
dumpBadObject((PyrObject*)obj);
return false;
}
// check free pointer between white and black marker
if (set->mFree != &set->mBlack) {
obj = set->mWhite.next;
found = false;
while (!IsMarker(obj)) {
if (obj == set->mFree) { found = true; break; }
obj = obj->next;
}
if (!found) {
//debugf("set %d free pointer not between white and black\n", i);
fprintf(stderr, "set %d free pointer not between white and black\n", i);
fprintf(stderr, "set->mFree %p\n", set->mFree);
fprintf(stderr, "set->mWhite %p\n", &set->mWhite);
fprintf(stderr, "set->mBlack %p\n", &set->mBlack);
setPostFile(stderr);
DumpBackTrace(mVMGlobals);
dumpBadObject((PyrObject*)set->mFree);
fprintf(stderr, "black %d white %d grey %d\n", mBlackColor, mWhiteColor, mGreyColor);
obj = &set->mWhite;
int count = 0;
do {
if (obj == set->mFree) fprintf(stderr, "%4d %p %3d %d FREE\n", count, obj, obj->gc_color, obj->obj_sizeclass);
else if (obj == &set->mWhite) fprintf(stderr, "%4d %p %3d %d WHITE\n", count, obj, obj->gc_color, obj->obj_sizeclass);
else if (obj == &set->mBlack) fprintf(stderr, "%4d %p %3d %d BLACK\n", count, obj, obj->gc_color, obj->obj_sizeclass);
else fprintf(stderr, "%4d %p %3d %d\n", count, obj, obj->gc_color, obj->obj_sizeclass);
obj = obj->next;
count++;
} while (obj != &set->mWhite);
return false;
}
}
// scan black list
obj = set->mBlack.next;
while (!IsMarker(obj)) {
if (obj->gc_color != mBlackColor) {
//debugf("set %d black list obj color wrong %d (%d, %d, %d) %p\n",
// i, obj->gc_color, mBlackColor, mGreyColor, mWhiteColor, obj);
fprintf(stderr, "set %d black list obj color wrong %d (%d, %d, %d) %p\n",
i, obj->gc_color, mBlackColor, mGreyColor, mWhiteColor, obj);
setPostFile(stderr);
DumpBackTrace(mVMGlobals);
dumpBadObject((PyrObject*)obj);
return false;
}
if (GetGCSet(obj) != set) {
//debugf("set %d black obj gcset wrong %d %p\n", i, obj->obj_sizeclass, obj);
fprintf(stderr, "set %d black obj gcset wrong %d %p\n", i, obj->obj_sizeclass, obj);
setPostFile(stderr);
dumpBadObject((PyrObject*)obj);
return false;
}
if (obj->next->prev != obj) {
fprintf(stderr, "set %d black obj->next->prev != obj\n", i);
setPostFile(stderr);
DumpBackTrace(mVMGlobals);
dumpBadObject((PyrObject*)obj);
}
// scan for refs to white.
if (!BlackToWhiteCheck((PyrObject*)obj)) return false;
obj = obj->next;
}
// scan white list
obj = set->mWhite.next;
while (obj != set->mFree) {
if (obj->gc_color != mWhiteColor) {
//debugf("set %d white list obj color wrong %d (%d, %d, %d) %p\n",
// i, obj->gc_color, mBlackColor, mGreyColor, mWhiteColor, obj);
//debugf("hmmm free %p black %p\n", set->mFree, set->black);
fprintf(stderr, "set %d white list obj color wrong %d (%d, %d, %d) %p\n",
i, obj->gc_color, mBlackColor, mGreyColor, mWhiteColor, obj);
fprintf(stderr, "hmmm free %p black %p\n", set->mFree, &set->mBlack);
setPostFile(stderr);
DumpBackTrace(mVMGlobals);
dumpBadObject((PyrObject*)obj);
return false;
}
if (GetGCSet(obj) != set) {
//debugf("set %d white obj gcset wrong %d %p\n", i, obj->obj_sizeclass, obj);
fprintf(stderr, "set %d white obj gcset wrong %d %p\n", i, obj->obj_sizeclass, obj);
setPostFile(stderr);
DumpBackTrace(mVMGlobals);
dumpBadObject((PyrObject*)obj);
return false;
}
if (obj->next->prev != obj) {
fprintf(stderr, "set %d white obj->next->prev != obj\n", i);
setPostFile(stderr);
DumpBackTrace(mVMGlobals);
dumpBadObject((PyrObject*)obj);
}
obj = obj->next;
}
// mark all free list items free
obj = set->mFree;
while (!IsMarker(obj)) {
/*if (obj->gc_color == mGreyColor) {
//debugf("grey obj on free list\n");
fprintf(stderr, "grey obj on free list\n");
return false;
}*/
//post("FREE\n");
//dumpObject((PyrObject*)(PyrObject*)obj);
obj->gc_color = mFreeColor;
if (GetGCSet(obj) != set) {
//debugf("set %d free obj gcset wrong %d %p\n", i, obj->obj_sizeclass, obj);
fprintf(stderr, "set %d free obj gcset wrong %d %p\n", i, obj->obj_sizeclass, obj);
//dumpObject((PyrObject*)obj);
return false;
}
if (obj->next->prev != obj) {
fprintf(stderr, "set %d free obj->next->prev != obj\n", i);
//dumpObject((PyrObject*)obj);
}
obj = obj->next;
}
}
int numgrey = 0;
PyrObjectHdr *grey = mGrey.next;
while (!IsMarker(grey)) {
numgrey++;
if (!IsGrey(grey)) {
fprintf(stderr, "sc Object on grey list not grey %d %d %d\n", grey->gc_color, mGreyColor, numgrey);
fprintf(stderr, "%p <- %p -> %p grey %p process %p\n", mGrey.prev, &mGrey, mGrey.next, grey, mProcess);
return false;
}
grey = grey->next;
}
if (numgrey != mNumGrey) {
fprintf(stderr, "grey count off %d %d\n", numgrey, mNumGrey);
DumpInfo();
fprintf(stderr, ".");
return false;
}
return true;
}
int CgptPrioritize(CgptPrioritizeParams *params) {
struct drive drive;
int priority;
int gpt_retval;
uint32_t index;
uint32_t max_part;
int num_root;
int i,j;
group_list_t *groups;
if (params == NULL)
return CGPT_FAILED;
if (CGPT_OK != DriveOpen(params->drive_name, &drive, 0, O_RDWR))
return CGPT_FAILED;
if (GPT_SUCCESS != (gpt_retval = GptSanityCheck(&drive.gpt))) {
Error("GptSanityCheck() returned %d: %s\n",
gpt_retval, GptError(gpt_retval));
return CGPT_FAILED;
}
max_part = GetNumberOfEntries(&drive);
if (params->set_partition) {
if (params->set_partition < 1 || params->set_partition > max_part) {
Error("invalid partition number: %d (must be between 1 and %d\n",
params->set_partition, max_part);
goto bad;
}
index = params->set_partition - 1;
// it must be a kernel
if (!IsRoot(&drive, PRIMARY, index) && !IsMarker(&drive, PRIMARY, index)) {
Error("partition %d is not a valid root\n", params->set_partition);
goto bad;
}
}
// How many kernel partitions do I have?
num_root = 0;
for (i = 0; i < max_part; i++) {
if (IsRoot(&drive, PRIMARY, i) || IsMarker(&drive, PRIMARY, i))
num_root++;
}
if (num_root) {
// Determine the current priority groups
groups = NewGroupList(num_root);
for (i = 0; i < max_part; i++) {
if (!IsRoot(&drive, PRIMARY, i) && !IsMarker(&drive, PRIMARY, i))
continue;
priority = GetPriority(&drive, PRIMARY, i);
// Is this partition special?
if (params->set_partition && (i+1 == params->set_partition)) {
params->orig_priority = priority; // remember the original priority
if (params->set_friends)
AddToGroup(groups, priority, i); // we'll move them all later
else
AddToGroup(groups, 99, i); // move only this one
} else {
AddToGroup(groups, priority, i); // just remember
}
}
// If we're including friends, then change the original group priority
if (params->set_partition && params->set_friends) {
ChangeGroup(groups, params->orig_priority, 99);
}
// Sorting gives the new order. Now we just need to reassign the
// priorities.
SortGroups(groups);
// We'll never lower anything to zero, so if the last group is priority zero
// we can ignore it.
i = groups->num_groups;
if (groups->group[i-1].priority == 0)
groups->num_groups--;
// Where do we start?
if (params->max_priority)
priority = params->max_priority;
else
priority = groups->num_groups > 15 ? 15 : groups->num_groups;
// Figure out what the new values should be
for (i=0; i<groups->num_groups; i++) {
groups->group[i].priority = priority;
if (priority > 1)
priority--;
}
// Now apply the ranking to the GPT
for (i=0; i<groups->num_groups; i++)
for (j=0; j<groups->group[i].num_parts; j++)
SetPriority(&drive, PRIMARY,
groups->group[i].part[j], groups->group[i].priority);
FreeGroups(groups);
}
// Write it all out
UpdateAllEntries(&drive);
return DriveClose(&drive, 1);
bad:
(void) DriveClose(&drive, 0);
return CGPT_FAILED;
}
void W_MergeLumps (const char *start, const char *end, int space)
{
char ustart[8], uend[8];
lumpinfo_t *newlumpinfos;
unsigned newlumps, oldlumps;
BOOL insideBlock;
unsigned flatHack, i;
strncpy(ustart, start, 8);
strncpy(uend, end, 8);
std::transform(ustart, ustart + sizeof(ustart), ustart, toupper);
std::transform(uend, uend + sizeof(uend), uend, toupper);
// Some pwads use an icky hack to get flats with regular Doom.
// This tries to detect them.
flatHack = 0;
if (!strcmp ("F_START", ustart) && !Args.CheckParm ("-noflathack"))
{
int fudge = 0;
unsigned start = 0;
for (i = 0; i < numlumps; i++) {
if (IsMarker (lumpinfo + i, ustart))
fudge++, start = i;
else if (IsMarker (lumpinfo + i, uend))
fudge--, flatHack = i;
}
if (start > flatHack)
fudge--;
if (fudge >= 0)
flatHack = 0;
}
newlumpinfos = new lumpinfo_t[numlumps];
newlumps = 0;
oldlumps = 0;
insideBlock = false;
for (i = 0; i < numlumps; i++)
{
if (!insideBlock)
{
// Check if this is the start of a block
if (IsMarker (lumpinfo + i, ustart))
{
insideBlock = true;
// Create start marker if we haven't already
if (!newlumps)
{
newlumps++;
strncpy (newlumpinfos[0].name, ustart, 8);
newlumpinfos[0].handle = NULL;
newlumpinfos[0].position =
newlumpinfos[0].size = 0;
newlumpinfos[0].namespc = ns_global;
}
}
else
{
// Copy lumpinfo down this list
lumpinfo[oldlumps++] = lumpinfo[i];
}
}
else
{
// Check if this is the end of a block
if (flatHack)
{
if (flatHack == i)
{
insideBlock = false;
flatHack = 0;
}
else
{
if (lumpinfo[i].size != 4096)
{
lumpinfo[oldlumps++] = lumpinfo[i];
}
else
{
newlumpinfos[newlumps] = lumpinfo[i];
newlumpinfos[newlumps++].namespc = space;
}
}
}
else if (i && lumpinfo[i].handle != lumpinfo[i-1].handle)
{
// Blocks cannot span multiple files
insideBlock = false;
lumpinfo[oldlumps++] = lumpinfo[i];
}
else if (IsMarker (lumpinfo + i, uend))
{
// It is. We'll add the end marker once
// we've processed everything.
insideBlock = false;
}
else
{
newlumpinfos[newlumps] = lumpinfo[i];
newlumpinfos[newlumps++].namespc = space;
}
}
}
// Now copy the merged lumps to the end of the old list
// and create the end marker entry.
if (newlumps)
{
if (oldlumps + newlumps > numlumps)
lumpinfo = (lumpinfo_t *)Realloc (lumpinfo, oldlumps + newlumps);
memcpy (lumpinfo + oldlumps, newlumpinfos, sizeof(lumpinfo_t) * newlumps);
numlumps = oldlumps + newlumps;
strncpy (lumpinfo[numlumps].name, uend, 8);
lumpinfo[numlumps].handle = NULL;
lumpinfo[numlumps].position =
lumpinfo[numlumps].size = 0;
lumpinfo[numlumps].namespc = ns_global;
numlumps++;
}
delete[] newlumpinfos;
}
//
// Merge lumps between start and end markers.
// Basically from Boom too, but modified.
//
void W_MergeLumps(char *start, char *end)
{
lumpinfo_t *newlumpinfo;
int oldlumps;
int newlumps;
int in_block = 0;
int i;
newlumpinfo = (lumpinfo_t *)alloca(numlumps * sizeof(lumpinfo_t));
oldlumps = newlumps = 0;
for (i = 0; i < numlumps; i++)
{
// process lumps in global namespace
if (!in_block)
{
// check for start of block
if (IsMarker(start, lumpinfo[i].name))
{
in_block = 1;
if (!newlumps)
{
newlumps++;
memset(newlumpinfo[0].name, 0, 8);
strcpy(newlumpinfo[0].name, start);
newlumpinfo[0].handle = -1;
newlumpinfo[0].position = newlumpinfo[0].size = 0;
}
}
// else copy it
else
{
lumpinfo[oldlumps++] = lumpinfo[i];
}
}
// process lumps in sprites or flats namespace
else
{
// check for end of block
if (IsMarker(end, lumpinfo[i].name))
{
in_block = 0;
}
else if (i && lumpinfo[i].handle != lumpinfo[i-1].handle)
{
in_block = 0;
lumpinfo[oldlumps++] = lumpinfo[i];
}
else
{
newlumpinfo[newlumps++] = lumpinfo[i];
}
}
}
// now copy the merged lumps to the end of the old list
if (newlumps)
{
if (oldlumps + newlumps > numlumps)
lumpinfo = realloc(lumpinfo, (oldlumps + newlumps) *
sizeof(lumpinfo_t));
memcpy(lumpinfo + oldlumps, newlumpinfo, sizeof(lumpinfo_t) * newlumps);
numlumps = oldlumps + newlumps;
memset(lumpinfo[numlumps].name, 0, 8);
strcpy(lumpinfo[numlumps].name, end);
lumpinfo[numlumps].handle = -1;
lumpinfo[numlumps].position = lumpinfo[numlumps].size = 0;
numlumps++;
}
}
void FWadFile::SetNamespace(const char *startmarker, const char *endmarker, namespace_t space, bool flathack)
{
bool warned = false;
int numstartmarkers = 0, numendmarkers = 0;
unsigned int i;
TArray<Marker> markers;
for(i = 0; i < NumLumps; i++)
{
if (IsMarker(i, startmarker))
{
Marker m = {0, i };
markers.Push(m);
numstartmarkers++;
}
else if (IsMarker(i, endmarker))
{
Marker m = {1, i };
markers.Push(m);
numendmarkers++;
}
}
if (numstartmarkers == 0)
{
if (numendmarkers == 0) return; // no markers found
Printf(TEXTCOLOR_YELLOW"WARNING: %s marker without corresponding %s found.\n", endmarker, startmarker);
if (flathack)
{
// We have found no F_START but one or more F_END markers.
// mark all lumps before the last F_END marker as potential flats.
int end = markers[markers.Size()-1].index;
for(int i = 0; i < end; i++)
{
if (Lumps[i].LumpSize == 4096)
{
// We can't add this to the flats namespace but
// it needs to be flagged for the texture manager.
DPrintf("Marking %s as potential flat\n", Lumps[i].Name);
Lumps[i].Flags |= LUMPF_MAYBEFLAT;
}
}
}
return;
}
i = 0;
while (i < markers.Size())
{
int start, end;
if (markers[i].markertype != 0)
{
Printf(TEXTCOLOR_YELLOW"WARNING: %s marker without corresponding %s found.\n", endmarker, startmarker);
i++;
continue;
}
start = i++;
// skip over subsequent x_START markers
while (i < markers.Size() && markers[i].markertype == 0)
{
Printf(TEXTCOLOR_YELLOW"WARNING: duplicate %s marker found.\n", startmarker);
i++;
continue;
}
// same for x_END markers
while (i < markers.Size()-1 && (markers[i].markertype == 1 && markers[i+1].markertype == 1))
{
Printf(TEXTCOLOR_YELLOW"WARNING: duplicate %s marker found.\n", endmarker);
i++;
continue;
}
// We found a starting marker but no end marker. Ignore this block.
if (i >= markers.Size())
{
Printf(TEXTCOLOR_YELLOW"WARNING: %s marker without corresponding %s found.\n", startmarker, endmarker);
end = NumLumps;
}
else
{
end = markers[i++].index;
}
// we found a marked block
DPrintf("Found %s block at (%d-%d)\n", startmarker, markers[start].index, end);
for(int j = markers[start].index + 1; j < end; j++)
{
if (Lumps[j].Namespace != ns_global)
{
if (!warned)
{
Printf(TEXTCOLOR_YELLOW"WARNING: Overlapping namespaces found (lump %d)\n", j);
}
warned = true;
}
else if (space == ns_sprites && Lumps[j].LumpSize < 8)
{
// sf 26/10/99:
// ignore sprite lumps smaller than 8 bytes (the smallest possible)
// in size -- this was used by some dmadds wads
// as an 'empty' graphics resource
DPrintf(" Skipped empty sprite %s (lump %d)\n", Lumps[j].Name, j);
}
else
{
Lumps[j].Namespace = space;
}
}
}
}
