void Map::loadOtbm(const std::string& fileName)
{
try {
if(!g_things.isOtbLoaded())
stdext::throw_exception("OTB isn't loaded yet to load a map.");
FileStreamPtr fin = g_resources.openFile(fileName);
if(!fin)
stdext::throw_exception(stdext::format("Unable to load map '%s'", fileName));
fin->cache();
char identifier[4];
if(fin->read(identifier, 1, 4) < 4)
stdext::throw_exception("Could not read file identifier");
if(memcmp(identifier, "OTBM", 4) != 0 && memcmp(identifier, "\0\0\0\0", 4) != 0)
stdext::throw_exception(stdext::format("Invalid file identifier detected: %s", identifier));
BinaryTreePtr root = fin->getBinaryTree();
if(root->getU8())
stdext::throw_exception("could not read root property!");
uint32 headerVersion = root->getU32();
if(headerVersion > 3)
stdext::throw_exception(stdext::format("Unknown OTBM version detected: %u.", headerVersion));
setWidth(root->getU16());
setHeight(root->getU16());
uint32 headerMajorItems = root->getU8();
if(headerMajorItems > g_things.getOtbMajorVersion()) {
stdext::throw_exception(stdext::format("This map was saved with different OTB version. read %d what it's supposed to be: %d",
headerMajorItems, g_things.getOtbMajorVersion()));
}
root->skip(3);
uint32 headerMinorItems = root->getU32();
if(headerMinorItems > g_things.getOtbMinorVersion()) {
g_logger.warning(stdext::format("This map needs an updated OTB. read %d what it's supposed to be: %d or less",
headerMinorItems, g_things.getOtbMinorVersion()));
}
BinaryTreePtr node = root->getChildren()[0];
if(node->getU8() != OTBM_MAP_DATA)
stdext::throw_exception("Could not read root data node");
while(node->canRead()) {
uint8 attribute = node->getU8();
std::string tmp = node->getString();
switch (attribute) {
case OTBM_ATTR_DESCRIPTION:
setDescription(tmp);
break;
case OTBM_ATTR_SPAWN_FILE:
setSpawnFile(fileName.substr(0, fileName.rfind('/') + 1) + tmp);
break;
case OTBM_ATTR_HOUSE_FILE:
setHouseFile(fileName.substr(0, fileName.rfind('/') + 1) + tmp);
break;
default:
stdext::throw_exception(stdext::format("Invalid attribute '%d'", (int)attribute));
}
}
for(const BinaryTreePtr& nodeMapData : node->getChildren()) {
uint8 mapDataType = nodeMapData->getU8();
if(mapDataType == OTBM_TILE_AREA) {
Position basePos;
basePos.x = nodeMapData->getU16();
basePos.y = nodeMapData->getU16();
basePos.z = nodeMapData->getU8();
for(const BinaryTreePtr &nodeTile : nodeMapData->getChildren()) {
uint8 type = nodeTile->getU8();
if(unlikely(type != OTBM_TILE && type != OTBM_HOUSETILE))
stdext::throw_exception(stdext::format("invalid node tile type %d", (int)type));
HousePtr house = nullptr;
uint32 flags = TILESTATE_NONE;
Position pos = basePos + nodeTile->getPoint();
if(type == OTBM_HOUSETILE) {
uint32 hId = nodeTile->getU32();
TilePtr tile = getOrCreateTile(pos);
if(!(house = g_houses.getHouse(hId))) {
house = HousePtr(new House(hId));
g_houses.addHouse(house);
}
house->setTile(tile);
}
while(nodeTile->canRead()) {
uint8 tileAttr = nodeTile->getU8();
switch(tileAttr) {
case OTBM_ATTR_TILE_FLAGS: {
uint32 _flags = nodeTile->getU32();
if((_flags & TILESTATE_PROTECTIONZONE) == TILESTATE_PROTECTIONZONE)
flags |= TILESTATE_PROTECTIONZONE;
else if((_flags & TILESTATE_OPTIONALZONE) == TILESTATE_OPTIONALZONE)
flags |= TILESTATE_OPTIONALZONE;
else if((_flags & TILESTATE_HARDCOREZONE) == TILESTATE_HARDCOREZONE)
flags |= TILESTATE_HARDCOREZONE;
if((_flags & TILESTATE_NOLOGOUT) == TILESTATE_NOLOGOUT)
flags |= TILESTATE_NOLOGOUT;
if((_flags & TILESTATE_REFRESH) == TILESTATE_REFRESH)
flags |= TILESTATE_REFRESH;
break;
}
case OTBM_ATTR_ITEM: {
addThing(Item::createFromOtb(nodeTile->getU16()), pos);
break;
}
default: {
stdext::throw_exception(stdext::format("invalid tile attribute %d at pos %s",
(int)tileAttr, stdext::to_string(pos)));
}
}
}
for(const BinaryTreePtr& nodeItem : nodeTile->getChildren()) {
if(unlikely(nodeItem->getU8() != OTBM_ITEM))
stdext::throw_exception("invalid item node");
ItemPtr item = Item::createFromOtb(nodeItem->getU16());
item->unserializeItem(nodeItem);
if(item->isContainer()) {
for(const BinaryTreePtr& containerItem : nodeItem->getChildren()) {
if(containerItem->getU8() != OTBM_ITEM)
stdext::throw_exception("invalid container item node");
ItemPtr cItem = Item::createFromOtb(containerItem->getU16());
cItem->unserializeItem(containerItem);
item->addContainerItem(cItem);
}
}
if(house && item->isMoveable()) {
g_logger.warning(stdext::format("Moveable item found in house: %d at pos %s - escaping...", item->getId(), stdext::to_string(pos)));
item.reset();
}
addThing(item, pos);
}
if(const TilePtr& tile = getTile(pos)) {
if(house)
tile->setFlag(TILESTATE_HOUSE);
tile->setFlag(flags);
}
}
} else if(mapDataType == OTBM_TOWNS) {
TownPtr town = nullptr;
for(const BinaryTreePtr &nodeTown : nodeMapData->getChildren()) {
if(nodeTown->getU8() != OTBM_TOWN)
stdext::throw_exception("invalid town node.");
uint32 townId = nodeTown->getU32();
std::string townName = nodeTown->getString();
Position townCoords;
townCoords.x = nodeTown->getU16();
townCoords.y = nodeTown->getU16();
townCoords.z = nodeTown->getU8();
if(!(town = g_towns.getTown(townId)))
g_towns.addTown(TownPtr(new Town(townId, townName, townCoords)));
}
g_towns.sort();
} else if(mapDataType == OTBM_WAYPOINTS && headerVersion > 1) {
for(const BinaryTreePtr &nodeWaypoint : nodeMapData->getChildren()) {
if(nodeWaypoint->getU8() != OTBM_WAYPOINT)
stdext::throw_exception("invalid waypoint node.");
std::string name = nodeWaypoint->getString();
Position waypointPos;
waypointPos.x = nodeWaypoint->getU16();
waypointPos.y = nodeWaypoint->getU16();
waypointPos.z = nodeWaypoint->getU8();
if(waypointPos.isValid() && !name.empty() && m_waypoints.find(waypointPos) == m_waypoints.end())
m_waypoints.insert(std::make_pair(waypointPos, name));
}
} else
stdext::throw_exception(stdext::format("Unknown map data node %d", (int)mapDataType));
}
fin->close();
} catch(std::exception& e) {
g_logger.error(stdext::format("Failed to load '%s': %s", fileName, e.what()));
}
}
