// CCTMXLayer - obtaining tiles/gids
CCSprite * CCTMXLayer::tileAt(const CCPoint& pos)
{
CCAssert( pos.x < m_tLayerSize.width && pos.y < m_tLayerSize.height && pos.x >=0 && pos.y >=0, "TMXLayer: invalid position");
CCAssert( m_pTiles && m_pAtlasIndexArray, "TMXLayer: the tiles map has been released");
CCSprite *tile = NULL;
unsigned int gid = this->tileGIDAt(pos);
// if GID == 0, then no tile is present
if( gid )
{
int z = (int)(pos.x + pos.y * m_tLayerSize.width);
tile = (CCSprite*) this->getChildByTag(z);
// tile not created yet. create it
if( ! tile )
{
CCRect rect = m_pTileSet->rectForGID(gid);
rect = CCRectMake(rect.origin.x / m_fContentScaleFactor, rect.origin.y / m_fContentScaleFactor, rect.size.width/ m_fContentScaleFactor, rect.size.height/ m_fContentScaleFactor);
tile = new CCSprite();
tile->initWithBatchNode(this, rect);
tile->setPosition(positionAt(pos));
tile->setVertexZ((float)vertexZForPos(pos));
tile->setAnchorPoint(CCPointZero);
tile->setOpacity(m_cOpacity);
unsigned int indexForZ = atlasIndexForExistantZ(z);
this->addSpriteWithoutQuad(tile, indexForZ, z);
tile->release();
}
}
return tile;
}
// TMXLayer - obtaining tiles/gids
Sprite * TMXLayer::getTileAt(const Point& pos)
{
CCASSERT(pos.x < _layerSize.width && pos.y < _layerSize.height && pos.x >=0 && pos.y >=0, "TMXLayer: invalid position");
CCASSERT(_tiles && _atlasIndexArray, "TMXLayer: the tiles map has been released");
Sprite *tile = nullptr;
int gid = this->getTileGIDAt(pos);
// if GID == 0, then no tile is present
if (gid)
{
int z = (int)(pos.x + pos.y * _layerSize.width);
tile = static_cast<Sprite*>(this->getChildByTag(z));
// tile not created yet. create it
if (! tile)
{
Rect rect = _tileSet->rectForGID(gid);
rect = CC_RECT_PIXELS_TO_POINTS(rect);
tile = Sprite::createWithTexture(this->getTexture(), rect);
tile->setBatchNode(this);
tile->setPosition(getPositionAt(pos));
tile->setVertexZ((float)getVertexZForPos(pos));
tile->setAnchorPoint(Point::ZERO);
tile->setOpacity(_opacity);
ssize_t indexForZ = atlasIndexForExistantZ(z);
this->addSpriteWithoutQuad(tile, static_cast<int>(indexForZ), z);
}
}
return tile;
}
Sprite * TMXLayer::updateTileForGID(int gid, const Point& pos)
{
Rect rect = _tileSet->rectForGID(gid);
rect = Rect(rect.origin.x / _contentScaleFactor, rect.origin.y / _contentScaleFactor, rect.size.width/ _contentScaleFactor, rect.size.height/ _contentScaleFactor);
int z = (int)(pos.x + pos.y * _layerSize.width);
Sprite *tile = reusedTileWithRect(rect);
setupTileSprite(tile ,pos ,gid);
// get atlas index
ssize_t indexForZ = atlasIndexForExistantZ(z);
tile->setAtlasIndex(indexForZ);
tile->setDirty(true);
tile->updateTransform();
_tiles[z] = gid;
return tile;
}
void TMXLayer::removeTileAt(const Point& pos)
{
CCASSERT(pos.x < _layerSize.width && pos.y < _layerSize.height && pos.x >=0 && pos.y >=0, "TMXLayer: invalid position");
CCASSERT(_tiles && _atlasIndexArray, "TMXLayer: the tiles map has been released");
int gid = getTileGIDAt(pos);
if (gid)
{
int z = pos.x + pos.y * _layerSize.width;
ssize_t atlasIndex = atlasIndexForExistantZ(z);
// remove tile from GID map
_tiles[z] = 0;
// remove tile from atlas position array
ccCArrayRemoveValueAtIndex(_atlasIndexArray, atlasIndex);
// remove it from sprites and/or texture atlas
Sprite *sprite = (Sprite*)getChildByTag(z);
if (sprite)
{
SpriteBatchNode::removeChild(sprite, true);
}
else
{
_textureAtlas->removeQuadAtIndex(atlasIndex);
// update possible children
for(const auto &obj : _children) {
Sprite* child = static_cast<Sprite*>(obj);
ssize_t ai = child->getAtlasIndex();
if ( ai >= atlasIndex )
{
child->setAtlasIndex(ai-1);
}
}
}
}
}
// CCTMXLayer - obtaining tiles/gids
CCSprite * CCTMXLayer::tileAt(const CCPoint& pos)
{
CCAssert(pos.x < m_tLayerSize.width && pos.y < m_tLayerSize.height && pos.x >=0 && pos.y >=0, "TMXLayer: invalid position");
CCAssert(m_pTiles, "TMXLayer: the tiles map has been released");
CCSprite *tile = NULL;
unsigned int gid = this->tileGIDAt(pos);
// if GID == 0, then no tile is present
if (gid)
{
int z = (int)(pos.x + pos.y * m_tLayerSize.width);
tile = (CCSprite*) this->getChildByTag(z);
// tile not created yet. create it
if (! tile)
{
// when not using quad optimization, tile must exist
CCAssert(m_pAtlasIndexArray, "Quad optimization but no m_pAtlasIndexArray");
CCRect rect = m_pTileSet->rectForGID(gid);
rect = CC_RECT_PIXELS_TO_POINTS(rect);
tile = new CCSprite();
tile->initWithTexture(this->getTexture(), rect);
tile->setBatchNode(this);
tile->setPosition(positionAt(pos));
tile->setVertexZ((float)vertexZForPos(pos));
tile->setAnchorPoint(CCPointZero);
tile->setOpacity(m_cOpacity);
unsigned int indexForZ = atlasIndexForExistantZ(z);
this->addSpriteWithoutQuad(tile, indexForZ, z);
tile->release();
}
}
return tile;
}
