/* WadArchive::detectMaps
* Searches for any maps in the wad and adds them to the map list
*******************************************************************/
vector<Archive::mapdesc_t> WadArchive::detectMaps()
{
vector<mapdesc_t> maps;
// Go through all lumps
ArchiveEntry* entry = getEntry(0);
bool lastentryismapentry = false;
while (entry)
{
// UDMF format map check ********************************************************
// Check for UDMF format map lump (TEXTMAP lump)
if (entry->getName() == "TEXTMAP" && entry->prevEntry())
{
// Get map info
mapdesc_t md = getMapInfo(entry->prevEntry());
// Add to map list
if (md.head != NULL)
{
entry = md.end;
maps.push_back(md);
}
// Current index is ENDMAP, we don't want to check for a doom/hexen format
// map so just go to the next index and continue the loop
entry = entry->nextEntry();
continue;
}
// Doom/Hexen format map check **************************************************
// TODO maybe get rid of code duplication by calling getMapInfo() here too?
// Array to keep track of what doom/hexen map lumps have been found
uint8_t existing_map_lumps[NUMMAPLUMPS];
memset(existing_map_lumps, 0, NUMMAPLUMPS);
// Check if the current lump is a doom/hexen map lump
bool maplump_found = false;
for (int a = 0; a < 5; a++)
{
// Compare with all base map lump names
if (S_CMP(entry->getName(), map_lumps[a]))
{
maplump_found = true;
existing_map_lumps[a] = 1;
break;
}
}
// If we've found what might be a map
if (maplump_found && entry->prevEntry())
{
// Save map header entry
ArchiveEntry* header_entry = entry->prevEntry();
// Check off map lumps until we find a non-map lump
bool done = false;
while (!done)
{
// Loop will end if no map lump is found
done = true;
// Compare with all map lump names
for (int a = 0; a < NUMMAPLUMPS; a++)
{
// Compare with all base map lump names
if (S_CMP(entry->getName(), map_lumps[a]))
{
existing_map_lumps[a] = 1;
done = false;
break;
}
}
// If we're at the end of the wad, exit the loop
if (!entry->nextEntry())
{
lastentryismapentry = true;
break;
}
// Go to next lump if there is one
if (!lastentryismapentry) entry = entry->nextEntry();
}
// Go back to the lump just after the last map lump found, but only if we actually moved
if (!lastentryismapentry) entry = entry->prevEntry();
// Check that we have all the required map lumps: VERTEXES, LINEDEFS, SIDEDEFS, THINGS & SECTORS
if (!memchr(existing_map_lumps, 0, 5))
{
// Get map info
mapdesc_t md;
md.head = header_entry; // Header lump
md.name = header_entry->getName(); // Map title
md.end = lastentryismapentry ? // End lump
entry : entry->prevEntry();
// If BEHAVIOR lump exists, it's a hexen format map
if (existing_map_lumps[LUMP_BEHAVIOR])
md.format = MAP_HEXEN;
// If LEAFS, LIGHTS and MACROS exist, it's a doom 64 format map
else if (existing_map_lumps[LUMP_LEAFS] && existing_map_lumps[LUMP_LIGHTS]
&& existing_map_lumps[LUMP_MACROS])
md.format = MAP_DOOM64;
// Otherwise it's doom format
else
md.format = MAP_DOOM;
// Add map info to the maps list
maps.push_back(md);
}
}
// Embedded WAD check (for Doom 64)
if (entry->getType()->getFormat() == "archive_wad")
{
// Detect map format (probably kinda slow but whatever, no better way to do it really)
Archive* tempwad = new WadArchive();
tempwad->open(entry);
vector<mapdesc_t> emaps = tempwad->detectMaps();
if (emaps.size() > 0)
{
mapdesc_t md;
md.head = entry;
md.end = entry;
md.archive = true;
md.name = entry->getName(true).Upper();
md.format = emaps[0].format;
maps.push_back(md);
}
delete tempwad;
entry->unlock();
}
// Not a UDMF or Doom/Hexen map lump, go to next lump
entry = entry->nextEntry();
}
// Set all map header entries to ETYPE_MAP type
for (size_t a = 0; a < maps.size(); a++)
if (!maps[a].archive)
maps[a].head->setType(EntryType::mapMarkerType());
// Update entry map format hints
for (unsigned a = 0; a < maps.size(); a++)
{
string format;
if (maps[a].format == MAP_DOOM)
format = "doom";
else if (maps[a].format == MAP_DOOM64)
format = "doom64";
else if (maps[a].format == MAP_HEXEN)
format = "hexen";
else
format = "udmf";
ArchiveEntry* entry = maps[a].head;
while (entry && entry != maps[a].end->nextEntry())
{
entry->exProp("MapFormat") = format;
entry = entry->nextEntry();
}
}
return maps;
}
/* WadArchive::findLast
* Returns the last entry matching the search criteria in [options],
* or NULL if no matching entry was found
*******************************************************************/
ArchiveEntry* WadArchive::findLast(search_options_t& options)
{
// Init search variables
ArchiveEntry* start = getEntry(numEntries()-1);
ArchiveEntry* end = NULL;
options.match_name = options.match_name.Lower();
// "graphics" namespace is the global namespace in a wad
if (options.match_namespace == "graphics")
options.match_namespace = "";
// "global" namespace has no name, by the way
if (options.match_namespace == "global")
options.match_namespace = "";
// Check for namespace to search
if (!options.match_namespace.IsEmpty())
{
// Find matching namespace
bool ns_found = false;
for (unsigned a = 0; a < namespaces.size(); a++)
{
if (namespaces[a].name == options.match_namespace)
{
start = namespaces[a].end->prevEntry();
end = namespaces[a].start;
ns_found = true;
break;
}
}
// Return none if namespace not found
if (!ns_found)
return NULL;
}
// Begin search
ArchiveEntry* entry = start;
while (entry != end)
{
// Check type
if (options.match_type)
{
if (entry->getType() == EntryType::unknownType())
{
if (!options.match_type->isThisType(entry))
{
entry = entry->prevEntry();
continue;
}
}
else if (options.match_type != entry->getType())
{
entry = entry->prevEntry();
continue;
}
}
// Check name
if (!options.match_name.IsEmpty())
{
if (!options.match_name.Matches(entry->getName().Lower()))
{
entry = entry->prevEntry();
continue;
}
}
// Entry passed all checks so far, so we found a match
return entry;
}
// No match found
return NULL;
}
/* WadArchive::getMapInfo
* Returns the mapdesc_t information about the map beginning at
* [maphead]. If [maphead] is not really a map header entry, an
* invalid mapdesc_t will be returned (mapdesc_t::head == NULL)
*******************************************************************/
Archive::mapdesc_t WadArchive::getMapInfo(ArchiveEntry* maphead)
{
mapdesc_t map;
if (!maphead)
return map;
// Check for embedded wads (e.g., Doom 64 maps)
if (maphead->getType()->getFormat() == "archive_wad")
{
map.archive = true;
map.head = maphead;
map.end = maphead;
map.name = maphead->getName();
return map;
}
// Check for UDMF format map
if (S_CMPNOCASE(maphead->nextEntry()->getName(), "TEXTMAP"))
{
// Get map info
map.head = maphead;
map.name = maphead->getName();
map.format = MAP_UDMF;
// All entries until we find ENDMAP
ArchiveEntry* entry = maphead->nextEntry();
while (true)
{
if (!entry || S_CMPNOCASE(entry->getName(), "ENDMAP"))
break;
// Check for unknown map lumps
bool known = false;
for (unsigned a = 0; a < NUMMAPLUMPS; a++)
{
if (S_CMPNOCASE(entry->getName(), map_lumps[a]))
{
known = true;
a = NUMMAPLUMPS;
}
}
if (!known)
map.unk.push_back(entry);
// Next entry
entry = entry->nextEntry();
}
// If we got to the end before we found ENDMAP, something is wrong
if (!entry)
return mapdesc_t();
// Set end entry
map.end = entry;
return map;
}
// Check for doom/hexen format map
uint8_t existing_map_lumps[NUMMAPLUMPS];
memset(existing_map_lumps, 0, NUMMAPLUMPS);
ArchiveEntry* entry = maphead->nextEntry();
while (entry)
{
// Check that the entry is a valid map-related entry
bool mapentry = false;
for (unsigned a = 0; a < NUMMAPLUMPS; a++)
{
if (S_CMPNOCASE(entry->getName(), map_lumps[a]))
{
mapentry = true;
existing_map_lumps[a] = 1;
break;
}
else if (a == LUMP_GL_HEADER)
{
string name = maphead->getName(true);
name.Prepend("GL_");
if (S_CMPNOCASE(entry->getName(), name))
{
mapentry = true;
existing_map_lumps[a] = 1;
break;
}
}
}
// If it wasn't a map entry, exit this loop
if (!mapentry)
{
entry = entry->prevEntry();
break;
}
// If we've reached the end of the archive, exit this loop
if (!entry->nextEntry())
break;
// Go to next entry
entry = entry->nextEntry();
}
// Check for the required map entries
for (unsigned a = 0; a < 5; a++)
{
if (existing_map_lumps[a] == 0)
return mapdesc_t();
}
// Setup map info
map.head = maphead;
map.end = entry;
map.name = maphead->getName();
// If BEHAVIOR lump exists, it's a hexen format map
if (existing_map_lumps[LUMP_BEHAVIOR])
map.format = MAP_HEXEN;
// If LEAFS, LIGHTS and MACROS exist, it's a doom 64 format map
else if (existing_map_lumps[LUMP_LEAFS] && existing_map_lumps[LUMP_LIGHTS]
&& existing_map_lumps[LUMP_MACROS])
map.format = MAP_DOOM64;
// Otherwise it's doom format
else
map.format = MAP_DOOM;
return map;
}
/* MapEditorWindow::saveMap
* Saves the current map to its archive, or opens the 'save as'
* dialog if it doesn't currently belong to one
*******************************************************************/
bool MapEditorWindow::saveMap()
{
// Check for newly created map
if (!mdesc_current.head)
return saveMapAs();
// Write map to temp wad
WadArchive* wad = writeMap();
if (!wad)
return false;
// Check for map archive
Archive* tempwad = NULL;
Archive::mapdesc_t map = mdesc_current;
if (mdesc_current.archive && mdesc_current.head)
{
tempwad = new WadArchive();
tempwad->open(mdesc_current.head);
vector<Archive::mapdesc_t> amaps = tempwad->detectMaps();
if (amaps.size() > 0)
map = amaps[0];
else
return false;
}
// Unlock current map entries
lockMapEntries(false);
// Delete current map entries
ArchiveEntry* entry = map.end;
Archive* archive = map.head->getParent();
while (entry && entry != map.head)
{
ArchiveEntry* prev = entry->prevEntry();
archive->removeEntry(entry);
entry = prev;
}
// Create backup
if (!backup_manager->writeBackup(map_data, map.head->getTopParent()->getFilename(false), map.head->getName(true)))
LOG_MESSAGE(1, "Warning: Failed to backup map data");
// Add new map entries
for (unsigned a = 1; a < wad->numEntries(); a++)
entry = archive->addEntry(wad->getEntry(a), archive->entryIndex(map.head) + a, NULL, true);
// Clean up
delete wad;
if (tempwad)
{
tempwad->save();
delete tempwad;
}
else
{
// Update map description
mdesc_current.end = entry;
}
// Finish
lockMapEntries();
editor.getMap().setOpenedTime();
return true;
}
