float ProceduralTerrainAppearance::getHeight(float x, float y) {
ReadLocker locker(&guard);
float affectorTransform = 1.0;
float transformValue = 0;
float fullTraverse = 0;
int count = 0;
TerrainGenerator* terrain = terrainGenerator;
do {
LayersGroup* layersGroup = terrain->getLayersGroup();
Vector<Layer*>* layers = layersGroup->getLayers();
for (int i = 0; i < layers->size(); ++i) {
Layer* layer = layers->get(i);
if (layer->isEnabled())
transformValue = processTerrain(layer, x, y, fullTraverse, affectorTransform, AffectorProceduralRule::HEIGHTTYPE);
}
} while (count < customTerrain.size() && (terrain = customTerrain.get(count++)));
//info("full traverse height ... is " + String::valueOf(fullTraverse) + " in mili:" + String::valueOf(start.miliDifference()), true);
return fullTraverse;
}
void DotSceneLoader::processScene(rapidxml::xml_node<>* XMLRoot)
{
// Process the scene parameters
Ogre::String version = getAttrib(XMLRoot, "formatVersion", "unknown");
Ogre::String message = "[DotSceneLoader] Parsing dotScene file with version " + version;
if (XMLRoot->first_attribute("ID"))
message += ", id " + Ogre::String(XMLRoot->first_attribute("ID")->value());
if (XMLRoot->first_attribute("sceneManager"))
message += ", scene manager " + Ogre::String(XMLRoot->first_attribute("sceneManager")->value());
if (XMLRoot->first_attribute("minOgreVersion"))
message += ", min. Ogre version " + Ogre::String(XMLRoot->first_attribute("minOgreVersion")->value());
if (XMLRoot->first_attribute("author"))
message += ", author " + Ogre::String(XMLRoot->first_attribute("author")->value());
Ogre::LogManager::getSingleton().logMessage(message);
rapidxml::xml_node<>* pElement;
// Process environment (?)
pElement = XMLRoot->first_node("environment");
if (pElement)
processEnvironment(pElement);
// Process nodes (?)
pElement = XMLRoot->first_node("nodes");
if (pElement)
processNodes(pElement);
// Process externals (?)
pElement = XMLRoot->first_node("externals");
if (pElement)
processExternals(pElement);
// Process userDataReference (?)
pElement = XMLRoot->first_node("userDataReference");
if (pElement)
processUserDataReference(pElement);
// Process octree (?)
pElement = XMLRoot->first_node("octree");
if (pElement)
processOctree(pElement);
// Process light (?)
//pElement = XMLRoot->first_node("light");
//if(pElement)
// processLight(pElement);
// Process camera (?)
pElement = XMLRoot->first_node("camera");
if (pElement)
processCamera(pElement);
// Process terrain (?)
pElement = XMLRoot->first_node("terrain");
if (pElement)
processTerrain(pElement);
}
void DotSceneLoader::processScene(TiXmlElement* xmlRoot) {
std::string version = getAttrib(xmlRoot, "formatVersion", "unknown");
std::string message = "[DotSceneLoader] Parsing dotScene file with version " + version;
if(xmlRoot->Attribute("ID"))
message += ", id " + std::string(xmlRoot->Attribute("ID"));
if(xmlRoot->Attribute("sceneManager"))
message += ", scene manager " + std::string(xmlRoot->Attribute("sceneManager"));
if(xmlRoot->Attribute("minOgreVersion"))
message += ", min. Ogre version " + std::string(xmlRoot->Attribute("minOgreVersion"));
if(xmlRoot->Attribute("author"))
message += ", author " + std::string(xmlRoot->Attribute("author"));
TiXmlElement *element;
// Process nodes (?)
element = xmlRoot->FirstChildElement("nodes");
if(element)
processNodes(element);
// Process externals (?)
element = xmlRoot->FirstChildElement("externals");
if(element)
processExternals(element);
// Process environment (?)
element = xmlRoot->FirstChildElement("environment");
if(element)
processEnvironment(element);
// Process terrain (?)
element = xmlRoot->FirstChildElement("terrain");
if(element)
processTerrain(element);
// Process userDataReference (?)
element = xmlRoot->FirstChildElement("userDataReference");
if(element)
processUserDataReference(element);
// Process octree (?)
element = xmlRoot->FirstChildElement("octree");
if(element)
processOctree(element);
// Process light (?)
element = xmlRoot->FirstChildElement("light");
if(element)
processLight(element);
// Process camera (?)
element = xmlRoot->FirstChildElement("camera");
if(element)
processCamera(element);
}
float ProceduralTerrainAppearance::processTerrain(Layer* layer, float x, float y, float& baseValue, float affectorTransformValue, int affectorType) {
Vector<Boundary*>* boundaries = layer->getBoundaries();
Vector<AffectorProceduralRule*>* affectors = layer->getAffectors();
Vector<FilterProceduralRule*>* filters = layer->getFilters();
float transformValue = 0;
bool hasBoundaries = false;
FilterRectangle rect;
rect.minX = FLT_MAX, rect.maxX = FLT_MIN, rect.minY = FLT_MAX, rect.maxY = FLT_MIN;
for (int i = 0; i < boundaries->size(); ++i) {
Boundary* boundary = boundaries->get(i);
if (!boundary->isEnabled()) {
continue;
} else
hasBoundaries = true;
float result = boundary->process(x, y);
if (result != 0.0) {
if (boundary->getMinX() < rect.minX)
rect.minX = boundary->getMinX();
if (boundary->getMaxX() > rect.maxX)
rect.maxX = boundary->getMaxX();
if (boundary->getMinY() < rect.minY)
rect.minY = boundary->getMinY();
if (boundary->getMaxY() > rect.maxY)
rect.maxY = boundary->getMaxY();
}
int featheringType = boundary->getFeatheringType();
result = calculateFeathering(result, featheringType);
if (result > transformValue)
transformValue = result;
if (transformValue >= 1) {
break;
}
}
if (!hasBoundaries)
transformValue = 1.0;
if (layer->invertBoundaries())
transformValue = 1.0 - transformValue;
if (transformValue != 0) {
for (int i = 0; i < filters->size(); ++i) {
FilterProceduralRule* filter = filters->get(i);
if (!filter->isEnabled())
continue;
/*if (!(filter->getFilterType() & affectorType))
continue;*/
float result = filter->process(x, y, transformValue, baseValue, terrainGenerator, &rect);
int featheringType = filter->getFeatheringType();
result = calculateFeathering(result, featheringType);
if (transformValue > result)
transformValue = result;
if (transformValue == 0)
break;
}
if (layer->invertFilters())
transformValue = 1.0 - transformValue;
if (transformValue != 0) {
for (int i = 0; i < affectors->size(); ++i) {
AffectorProceduralRule* affector = affectors->get(i);
/*if (!affector->isEnabled()) filtered in height affectors vector
continue;*/
if (affector->isEnabled() && (affector->getAffectorType() & affectorType))
affector->process(x, y, transformValue * affectorTransformValue, baseValue, terrainGenerator);
}
Vector<Layer*>* children = layer->getChildren();
for (int i = 0; i < children->size(); ++i) {
Layer* layer = children->get(i);
if (layer->isEnabled()) {
processTerrain(layer, x, y, baseValue, affectorTransformValue * transformValue, affectorType);
}
}
}
}
return transformValue;
}
