//Reposition the vegetation (trees) to touch the ground
void TerrainTile::resetVegetationHeight()
{
for (int i=0 ; i<(int)vegetationVector.size() ; i++)
{
Vegetation* temp = (Vegetation*)vegetationVector[i];
f32 newpos = this->getHeightAt(temp->getPosition(),4000.0f);
if (newpos<-200.0f) //Remove the tree if it's too low (underwater)
{
temp->getNode()->remove();
vegetationVector.erase(vegetationVector.begin()+i);
}
else
temp->setPosition(vector3df(temp->getPosition().X,newpos-3.0f,temp->getPosition().Z)); //little offset of 3 units.
}
}
Vegetation* TerrainTile::getVegetationAt(vector3df pos)
{
for (int i=0 ; i<(int)vegetationVector.size() ; i++)
{
Vegetation* temp = (Vegetation*)vegetationVector[i];
if(temp->getPosition().getDistanceFrom(pos) < vegetationRange ) return temp;
}
return 0;
}
void TerrainTile::saveToXML(TiXmlElement* parentElement)
{
// Save the terrain land
f32 x = 0;
f32 z = 0;
x = node->getPosition().X;
z = node->getPosition().Z;
TiXmlElement* segmentXML = new TiXmlElement("terrainSegment");
segmentXML->SetDoubleAttribute("x",x);
segmentXML->SetDoubleAttribute("z",z);
core::stringc file=TerrainManager::getInstance()->filename;
segmentXML->SetAttribute("mesh",file.c_str());
//Saving the vegetation information with the tile
if (vegetationVector.size()>0)
{
for (int i=0 ; i<(int)vegetationVector.size() ; i++)
{
TiXmlElement* vertexXML = new TiXmlElement("tree");
Vegetation * tree = (Vegetation*)vegetationVector[i];
if (tree!=NULL)
{
vector3df treepos=tree->getPosition();
vertexXML->SetAttribute("v",tree->getType());
vertexXML->SetDoubleAttribute("tx",tree->getPosition().X);
vertexXML->SetDoubleAttribute("ty",tree->getPosition().Y);
vertexXML->SetDoubleAttribute("tz",tree->getPosition().Z);
vertexXML->SetDoubleAttribute("tr",tree->getNode()->getRotation().Y);
vertexXML->SetDoubleAttribute("ts",tree->getNode()->getScale().X);
}
segmentXML->LinkEndChild(vertexXML);
}
}
parentElement->LinkEndChild(segmentXML);
}