// Given a scene node for a terrain, find the manual object on that scene node and
// update the manual object with the heightmap passed. If there is no manual object on
// the scene node, remove all it's attachments and add the manual object.
// The heightmap is passed in a 1D array ordered by width rows (for(width) {for(length) {hm[w,l]}})
// This must be called between frames since it touches the scene graph
// BETWEEN FRAME OPERATION
void Region::UpdateTerrain(const int hmWidth, const int hmLength, const float* hm) {
Ogre::SceneNode* node = this->TerrainSceneNode;
LG::Log("Region::UpdateTerrain: updating terrain for region %s", this->Name.c_str());
if (node == NULL) {
LG::Log("Region::UpdateTerrain: terrain scene node doesn't exist. Not updating terrain.");
return;
}
// Find the movable object attached to the scene node. If not found remove all.
if (node->numAttachedObjects() > 0) {
Ogre::MovableObject* attached = node->getAttachedObject(0);
if (attached->getMovableType() != "ManualObject") {
// don't know why this would ever happen but clean out the odd stuff
LG::Log("Found extra stuff on terrain scene node");
node->detachAllObjects();
}
}
// if there is not a manual object on the node, create a new one
if (node->numAttachedObjects() == 0) {
LG::Log("Region::UpdateTerrain: creating terrain ManualObject for region %s", this->Name.c_str());
// if no attached objects, we add our dynamic ManualObject
Ogre::ManualObject* mob = LG::RendererOgre::Instance()->m_sceneMgr->createManualObject("ManualObject/" + node->getName());
mob->addQueryFlags(Ogre::SceneManager::WORLD_GEOMETRY_TYPE_MASK);
mob->setDynamic(true);
mob->setCastShadows(true);
mob->setVisible(true);
node->attachObject(mob);
// m_visCalc->RecalculateVisibility();
}
Ogre::ManualObject* mo = (Ogre::ManualObject*)node->getAttachedObject(0);
// stuff our heightmap information into the dynamic manual object
mo->estimateVertexCount(hmWidth * hmLength);
mo->estimateIndexCount(hmWidth * hmLength * 6);
if (mo->getNumSections() == 0) {
// if first time
mo->begin(LG::GetParameter("Renderer.Ogre.DefaultTerrainMaterial"));
}
else {
mo->beginUpdate(0); // we've been here before
}
int loc = 0;
for (int xx = 0; xx < hmWidth; xx++) {
for (int yy = 0; yy < hmLength; yy++) {
mo->position((Ogre::Real)xx, (Ogre::Real)yy, hm[loc++]);
mo->textureCoord((float)xx / (float)hmWidth, (float)yy / (float)hmLength);
mo->normal(0.0, 1.0, 0.0); // always up (for the moment)
}
}
for (int px = 0; px < hmLength-1; px++) {
for (int py = 0; py < hmWidth-1; py++) {
mo->quad(px + py * hmWidth,
px + (py + 1) * hmWidth,
(px + 1) + (py + 1) * hmWidth,
(px + 1) + py * hmWidth
);
}
}
mo->end();
return;
}
void Map::Load(std::string sceneFile)
{
this->mLoader = new Utilities::DotSceneLoader();
this->mLoader->parseDotScene(sceneFile, "General", GameFramework::getSingletonPtr()->sceneManager);
std::vector<Ogre::Entity*> mNavmeshEnts;
/*Ogre::Entity* mapE = GameFramework::getSingletonPtr()->sceneManager->createEntity("Map", "dungeon.mesh");
Ogre::SceneNode* mapNode = GameFramework::getSingletonPtr()->sceneManager->getRootSceneNode()->createChildSceneNode("MapNode");
mapNode->scale(Vector3(2,2,2));
mapNode->attachObject(mapE);
mNavmeshEnts.push_back(mapE);*/
mRecast = new OgreRecast(GameFramework::getSingletonPtr()->sceneManager);
mDetourTileCache = new OgreDetourTileCache(mRecast);
if (this->mLoader != 0)
{
if (this->mLoader->entityList->size() > 0)
{
ConfigFile cf;
std::vector<Ogre::Entity*> srcMeshes;// = std::vector<Ogre::Entity*>(this->mLoader->entityList->begin(), this->mLoader->entityList->end());
bool could_find_plane = false;
for (int i = 0; i < this->mLoader->entityList->size(); i++ )
{
Ogre::Entity* ent = this->mLoader->entityList->at(i);
if (ent->getName() == "Plane#0")
{
//ent->setMaterialName("MyMaterial");
ent->setMaterialName("PlaneMaterial");
ent->setCastShadows(false);
//ent->setVisible(false);
//ent->getParentSceneNode()->setPosition(Vector3(0,0,0));
srcMeshes.clear();
srcMeshes.push_back(ent);
could_find_plane = true;
}
}
if (could_find_plane)
{
inputGeom = new InputGeom(srcMeshes);
}
else
{
//srcMeshes = std::vector<Ogre::Entity*>(this->mLoader->entityList->begin(), this->mLoader->entityList->end());
if (this->mLoader->getTerrainGroup() != 0)
{
inputGeom = new InputGeom(this->mLoader->getTerrainGroup(), srcMeshes);
}
else
{
inputGeom = new InputGeom(srcMeshes);
}
}
if(mDetourTileCache->TileCacheBuild(inputGeom))
{
mDetourTileCache->drawNavMesh();
}
else
{
Ogre::LogManager::getSingletonPtr()->logMessage("ERROR: could not generate useable navmesh from mesh using detourTileCache.");
return;
}
}
}
Ogre::SceneNode* mNavMeshNode = (Ogre::SceneNode*)GameFramework::getSingletonPtr()->sceneManager->getRootSceneNode()->getChild("RecastSN");
int ttt = mNavMeshNode->numAttachedObjects();
//mNavMeshNode->setVisible(true);
for (int i = 0; i < mNavMeshNode->numAttachedObjects(); i++)
{
Ogre::MovableObject *obj = mNavMeshNode->getAttachedObject(i);
obj->setVisible(false);
obj->setQueryFlags(QueryFlags::NAVMESH_MASK);
}
this->isLoaded = true;
}