//-----------------------------------------------------------------------
MatrixForceFieldCalculationFactory::MatrixForceFieldCalculationFactory(void) :
ForceFieldCalculationFactory(),
mMatrixPositions(0),
mForceFieldSize(0),
mX(0),
mY(0),
mZ(0),
mInitialising(false)
{
Ogre::WorkQueue* wq = Ogre::Root::getSingleton().getWorkQueue();
mWorkQueueChannel = wq->getChannel("ParticleUniverse/MatrixForceFieldCalculationFactory");
wq->addRequestHandler(mWorkQueueChannel, this);
wq->addResponseHandler(mWorkQueueChannel, this);
}
World::World(Ogre::SceneManager* sceneMgr,
Storage* storage, int visibilityFlags, bool distantLand, bool shaders, Alignment align, float minBatchSize, float maxBatchSize)
: mStorage(storage)
, mMinBatchSize(minBatchSize)
, mMaxBatchSize(maxBatchSize)
, mSceneMgr(sceneMgr)
, mVisibilityFlags(visibilityFlags)
, mDistantLand(distantLand)
, mShaders(shaders)
, mVisible(true)
, mAlign(align)
, mMaxX(0)
, mMinX(0)
, mMaxY(0)
, mMinY(0)
, mChunksLoading(0)
, mWorkQueueChannel(0)
, mCache(storage->getCellVertices())
, mLayerLoadPending(true)
{
#if TERRAIN_USE_SHADER == 0
if (mShaders)
std::cerr << "Compiled Terrain without shader support, disabling..." << std::endl;
mShaders = false;
#endif
mCompositeMapSceneMgr = Ogre::Root::getSingleton().createSceneManager(Ogre::ST_GENERIC);
/// \todo make composite map size configurable
Ogre::Camera* compositeMapCam = mCompositeMapSceneMgr->createCamera("a");
mCompositeMapRenderTexture = Ogre::TextureManager::getSingleton().createManual(
"terrain/comp/rt", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, 128, 128, 0, Ogre::PF_A8B8G8R8, Ogre::TU_RENDERTARGET);
mCompositeMapRenderTarget = mCompositeMapRenderTexture->getBuffer()->getRenderTarget();
mCompositeMapRenderTarget->setAutoUpdated(false);
mCompositeMapRenderTarget->addViewport(compositeMapCam);
storage->getBounds(mMinX, mMaxX, mMinY, mMaxY);
int origSizeX = mMaxX-mMinX;
int origSizeY = mMaxY-mMinY;
// Dividing a quad tree only works well for powers of two, so round up to the nearest one
int size = nextPowerOfTwo(std::max(origSizeX, origSizeY));
// Adjust the center according to the new size
float centerX = (mMinX+mMaxX)/2.f + (size-origSizeX)/2.f;
float centerY = (mMinY+mMaxY)/2.f + (size-origSizeY)/2.f;
mRootSceneNode = mSceneMgr->getRootSceneNode()->createChildSceneNode();
// While building the quadtree, remember leaf nodes since we need to load their layers
LayersRequestData data;
data.mPack = getShadersEnabled();
mRootNode = new QuadTreeNode(this, Root, size, Ogre::Vector2(centerX, centerY), NULL);
buildQuadTree(mRootNode, data.mNodes);
//loadingListener->indicateProgress();
mRootNode->initAabb();
//loadingListener->indicateProgress();
mRootNode->initNeighbours();
//loadingListener->indicateProgress();
Ogre::WorkQueue* wq = Ogre::Root::getSingleton().getWorkQueue();
mWorkQueueChannel = wq->getChannel("LargeTerrain");
wq->addRequestHandler(mWorkQueueChannel, this);
wq->addResponseHandler(mWorkQueueChannel, this);
// Start loading layers in the background (for leaf nodes)
wq->addRequest(mWorkQueueChannel, REQ_ID_LAYERS, Ogre::Any(data));
}