void LevelParser::parseTileLayer(TiXmlElement* pTileElement, std::vector<Layer*> *pLayers, const std::vector<Tileset>* pTilesets, std::vector<TileLayer*> *m_CollisionsLayer)
{
TileLayer* pTileLayer = new TileLayer(m_tileSizew, m_tileSizeh, *pTilesets);
bool collidable = false;
std::vector<std::vector<int>> data;
std::string decodedIDs;
TiXmlElement* pDataNode;
for (TiXmlElement* e = pTileElement->FirstChildElement(); e != NULL; e = e->NextSiblingElement())
{
if (e->Value() == std::string("properties"))
{
for (TiXmlElement* property = e->FirstChildElement(); property
!= NULL; property = property->NextSiblingElement())
{
if (property->Value() == std::string("property"))
{
if (property->Attribute("name") == std::string("collidable"))
{
collidable = true;
}
}
}
}
if (e->Value() == std::string("data"))
{
pDataNode = e;
}
}
for (TiXmlNode* e = pDataNode->FirstChild(); e != NULL; e = e->NextSibling())
{
TiXmlText* text = e->ToText();
std::string t = text->Value();
decodedIDs = base64_decode(t);
}
uLongf numGids = m_width * m_height * sizeof(int);
std::vector<unsigned> gids(numGids);
uncompress((Bytef*)&gids[0], &numGids, (const Bytef*)decodedIDs.c_str(), decodedIDs.size());
std::vector<int> layerRow(m_width);
for (int j = 0; j < m_height; j++)
{
data.push_back(layerRow);
}
for (int rows = 0; rows < m_height; rows++)
{
for (int cols = 0; cols < m_width; cols++)
{
data[rows][cols] = gids[rows * m_width + cols];
}
}
if (collidable)
{
m_CollisionsLayer->push_back(pTileLayer);
}
pTileLayer->setTileIDs(data);
pLayers->push_back(pTileLayer);
}
void LevelParser::parseTileLayer(TiXmlElement* pTileElement, std::vector<Layer*> *pLayers, const std::vector<Tileset>* pTilesets)
{
TileLayer* pTileLayer = new TileLayer(m_tileSize, *pTilesets);
// tile data
std::vector<std::vector<int>> data;
std::string decodedIDs;
TiXmlElement* pDataNode = NULL;
for (TiXmlElement* e = pTileElement->FirstChildElement(); e != NULL; e = e->NextSiblingElement())
{
if (e->Value() == std::string("data"))
{
pDataNode = e;
}
}
for (TiXmlNode* e = pDataNode->FirstChild(); e != NULL; e = e->NextSibling())
{
TiXmlText* text = e->ToText();
std::string t = text->Value();
decodedIDs = base64_decode(t);
}
// uncompress zlib compression
uLongf numGids = m_width * m_height * sizeof(int);
std::vector<unsigned> gids(numGids);
uncompress((Bytef*)&gids[0], &numGids, (const Bytef*)decodedIDs.c_str(), decodedIDs.size());
std::vector<int> layerRow(m_width);
for (int j = 0; j < m_height; j++)
{
data.push_back(layerRow);
}
for (int rows = 0; rows < m_height; rows++)
{
for (int cols = 0; cols < m_width; cols++)
{
data[rows][cols] = gids[rows * m_width + cols];
}
}
pTileLayer->setTileIDs(data);
pLayers->push_back(pTileLayer);
}
void LevelParser::parseTileLayer
(TiXmlElement *pTileElement, vector<ILayer *> *pLayers,
vector<TileLayer*>* pCollisionLayers,vector<Tileset> *pTilesets){
TileLayer* pTileLayer = new TileLayer(m_tileSize, m_width, m_height, *pTilesets);
//Check for layer properties
bool collidable(false);
for (TiXmlElement* e = pTileElement->FirstChildElement();
e != NULL; e = e->NextSiblingElement()){
//cout << "Checking " << e->Value() << "\n";
if (e->Value() == string("properties")){
for (TiXmlElement* p = e->FirstChildElement();
p != NULL; p = p->NextSiblingElement()){
if (p->Value() == string("property")){
cout << "Now checking " << p->Value() << "\n";
string currentProperty = p->Attribute("name");
if (currentProperty == string("collidable")){
if (p->Attribute("value") == string("true")){
collidable = true;
} else {
collidable = false;
}
if (collidable){
cout << "Found collidable layer\n";
}
}
}
}
}
}
//Find data node then store it
//pDataNode = findElement("data", pTileElement->FirstChildElement());
bool isBase64 = false ;
bool isZlibCompressed = false;
TiXmlElement* pDataNode= 0;
for (TiXmlElement* e = pTileElement->FirstChildElement();
e != NULL; e = e->NextSiblingElement()){
if (e->Value() == string("data")){
pDataNode = e;
//Check if encoded/compressed
if (e->Attribute("encoding")){
if (e->Attribute("encoding") == string("base64")){
isBase64 = true;
}
}
if (e->Attribute("compression")){
if (e->Attribute("compression") == string("zlib")){
isZlibCompressed = true;
}
}
}
}
//Decode data and store
string decodedIDs;
if (pDataNode && isBase64){
for (TiXmlNode* e = pDataNode->FirstChild(); e != NULL; e = e->NextSibling()){
TiXmlText* text = e ->ToText();
string t = text->Value();
decodedIDs = base64_decode(t);
}
}
//Placeholder for data
vector<vector<int>> data;
//Calculate number of GIDS present
uLongf numGids = m_width * m_height * sizeof(int);
vector<unsigned> gids(numGids);
//Horizontal register for vector
vector<int> layerRow(m_width);
//Build empty data vector to fill
for(int j = 0 ; j < m_height; j++){
data.push_back(layerRow);
}
//Compressed data assignment
if (isZlibCompressed){
uncompress
((Bytef*)&gids[0], &numGids, (const Bytef*)decodedIDs.c_str(), decodedIDs.size());
for (int rows = 0 ; rows <m_height; rows++){
for (int cols = 0; cols < m_width; cols++){
data[rows][cols] = gids[rows * m_width + cols];
}
}
} else {
//Uncompressed data assignment
int index = 0;
int tileID = 0;
//Find all tiles, assign GID to proper data vector place
for (TiXmlElement* e = pDataNode->FirstChildElement();
e != NULL; e = e->NextSiblingElement()){
e->Attribute("gid",&tileID);
data[index / m_width][index % m_width] = tileID;
index++;
}
}
//Set Tile Layer properties
pTileLayer->setTileIDs(data);
pTileLayer->setNumColumns(m_width);
pTileLayer->setNumRows(m_height);
//Save new tile layer to Level
cout << "Added new layer\n";
pLayers->push_back(pTileLayer);
//Add collision tiles to collision layer
if (collidable){
pCollisionLayers->push_back(pTileLayer);
cout << "Added new collision layer\n";
}
}
void LevelParser::parseTileLayer(XMLElement* pTileElement, Level *pLevel)
{
// New TileLayer instance
TileLayer* pTileLayer = new TileLayer(m_tileSize, m_width, m_height, TheGame::Instance().getTilesets());
// local temporary variable
bool collidable = false;
// A multidimensional array of int values to hold our final decoded and uncompressed tile data
std::vector<std::vector<int>> data;
// xml data node
XMLElement* pDataNode = nullptr;
// to store base64 decoded information
std::string decodedIDs;
// We search for the node we need
for (XMLElement* e = pTileElement->FirstChildElement(); e != NULL; e = e->NextSiblingElement())
{
// check if layer has properties
if (e->Value() == std::string("properties"))
{
for (XMLElement* property = e->FirstChildElement(); property != NULL; property = property->NextSiblingElement())
{
if (property->Value() == std::string("property"))
{
// Check if it is a collision layer
if (property->Attribute("name") == std::string("collidable"))
{
collidable = true;
}
}
}
}
if (e->Value() == std::string("data"))
{
pDataNode = e;
}
}
// Tile information not encoded nor compressed
if (pDataNode->Attribute("encoding") == nullptr)
{
std::vector<int> layerRow(m_width);
for (int rows = 0; rows < m_height; rows++)
{
data.push_back(layerRow);
}
XMLElement* tile = pDataNode->FirstChildElement();
int id;
for (int rows = 0; rows < m_height; rows++)
{
for (int cols = 0; cols < m_width ; cols++)
{
tile->QueryAttribute("gid", &data[rows][cols]);
tile = tile->NextSiblingElement();
}
}
}
else
{
// We get the text (our encoded/compressed data) from the data node and use the base64 decoder to decode it
for (XMLNode* e = pDataNode->FirstChild(); e != NULL; e = e->NextSibling())
{
XMLText* text = e->ToText();
std::string t = text->Value();
decodedIDs = base64_decode(t);
}
// We use the zlib library to decompress our data once again
uLongf sizeofids = m_width * m_height * sizeof(int);
std::vector<unsigned> gids(sizeofids);
uncompress((Bytef*)&gids[0], &sizeofids, (const Bytef*)decodedIDs.c_str(), decodedIDs.size());
// gids now contains all of our tile IDs, so we fill our data array with the correct values
std::vector<int> layerRow(m_width);
for (int j = 0; j < m_height; j++)
{
data.push_back(layerRow);
}
for (int rows = 0; rows < m_height; rows++)
{
for (int cols = 0; cols < m_width; cols++)
{
data[rows][cols] = gids[rows * m_width + cols];
}
}
}
pTileLayer->setTileIDs(data);
pTileLayer->setMapWidth(m_width);
// push into collision array and mark the layer as collidable if necessary
if (collidable)
{
pTileLayer->setCollidable(true);
pLevel->getCollisionLayers()->push_back(pTileLayer);
}
pLevel->getLayers()->push_back(pTileLayer);
}
