/* ----------------------------------------------------------------------------- This source file is part of OGRE (Object-oriented Graphics Rendering Engine) For the latest info, see http://www.ogre3d.org/ Copyright (c) 2000-2009 Torus Knot Software Ltd Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ----------------------------------------------------------------------------- */ #include "OgreStableHeaders.h" #include "OgreInstancedGeometry.h" #include "OgreEntity.h" #include "OgreSubEntity.h" #include "OgreSceneNode.h" #include "OgreException.h" #include "OgreMesh.h" #include "OgreSubMesh.h" #include "OgreLogManager.h" #include "OgreSceneManager.h" #include "OgreCamera.h" #include "OgreMaterialManager.h" #include "OgreRoot.h" #include "OgreRenderSystem.h" #include "OgreEdgeListBuilder.h" #include "OgreStringConverter.h" namespace Ogre { #define BatchInstance_RANGE 1024 #define BatchInstance_HALF_RANGE 512 #define BatchInstance_MAX_INDEX 511 #define BatchInstance_MIN_INDEX -512 //-------------------------------------------------------------------------- InstancedGeometry::InstancedGeometry(SceneManager* owner, const String& name): mOwner(owner), mName(name), mBuilt(false), mUpperDistance(0.0f), mSquaredUpperDistance(0.0f), mCastShadows(false), mBatchInstanceDimensions(Vector3(1000,1000,1000)), mHalfBatchInstanceDimensions(Vector3(500,500,500)), mOrigin(Vector3(0,0,0)), mVisible(true), mProvideWorldInverses(false), mRenderQueueID(RENDER_QUEUE_MAIN), mRenderQueueIDSet(false), mObjectCount(0), mInstancedGeometryInstance(0), mSkeletonInstance(0) { mBaseSkeleton.setNull(); } //-------------------------------------------------------------------------- InstancedGeometry::~InstancedGeometry() { reset(); if(mSkeletonInstance) OGRE_DELETE mSkeletonInstance; } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstance*InstancedGeometry::getInstancedGeometryInstance(void) { if (!mInstancedGeometryInstance) { uint32 index = 0; // Make a name StringUtil::StrStreamType str; str << mName << ":" << index; mInstancedGeometryInstance = OGRE_NEW BatchInstance(this, str.str(), mOwner, index); mOwner->injectMovableObject(mInstancedGeometryInstance); mInstancedGeometryInstance->setVisible(mVisible); mInstancedGeometryInstance->setCastShadows(mCastShadows); if (mRenderQueueIDSet) { mInstancedGeometryInstance->setRenderQueueGroup(mRenderQueueID); } mBatchInstanceMap[index] = mInstancedGeometryInstance; } return mInstancedGeometryInstance; } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstance* InstancedGeometry::getBatchInstance(const AxisAlignedBox& bounds, bool autoCreate) { if (bounds.isNull()) return 0; // Get the BatchInstance which has the largest overlapping volume const Vector3 min = bounds.getMinimum(); const Vector3 max = bounds.getMaximum(); // Get the min and max BatchInstance indexes ushort minx, miny, minz; ushort maxx, maxy, maxz; getBatchInstanceIndexes(min, minx, miny, minz); getBatchInstanceIndexes(max, maxx, maxy, maxz); Real maxVolume = 0.0f; ushort finalx =0 , finaly = 0, finalz = 0; for (ushort x = minx; x <= maxx; ++x) { for (ushort y = miny; y <= maxy; ++y) { for (ushort z = minz; z <= maxz; ++z) { Real vol = getVolumeIntersection(bounds, x, y, z); if (vol > maxVolume) { maxVolume = vol; finalx = x; finaly = y; finalz = z; } } } } assert(maxVolume > 0.0f && "Static geometry: Problem determining closest volume match!"); return getBatchInstance(finalx, finaly, finalz, autoCreate); } //-------------------------------------------------------------------------- Real InstancedGeometry::getVolumeIntersection(const AxisAlignedBox& box, ushort x, ushort y, ushort z) { // Get bounds of indexed BatchInstance AxisAlignedBox BatchInstanceBounds = getBatchInstanceBounds(x, y, z); AxisAlignedBox intersectBox = BatchInstanceBounds.intersection(box); // return a 'volume' which ignores zero dimensions // since we only use this for relative comparisons of the same bounds // this will still be internally consistent Vector3 boxdiff = box.getMaximum() - box.getMinimum(); Vector3 intersectDiff = intersectBox.getMaximum() - intersectBox.getMinimum(); return (boxdiff.x == 0 ? 1 : intersectDiff.x) * (boxdiff.y == 0 ? 1 : intersectDiff.y) * (boxdiff.z == 0 ? 1 : intersectDiff.z); } //-------------------------------------------------------------------------- AxisAlignedBox InstancedGeometry::getBatchInstanceBounds(ushort x, ushort y, ushort z) { Vector3 min( ((Real)x - BatchInstance_HALF_RANGE) * mBatchInstanceDimensions.x + mOrigin.x, ((Real)y - BatchInstance_HALF_RANGE) * mBatchInstanceDimensions.y + mOrigin.y, ((Real)z - BatchInstance_HALF_RANGE) * mBatchInstanceDimensions.z + mOrigin.z ); Vector3 max = min + mBatchInstanceDimensions; return AxisAlignedBox(min, max); } //-------------------------------------------------------------------------- Vector3 InstancedGeometry::getBatchInstanceCentre(ushort x, ushort y, ushort z) { return Vector3( ((Real)x - BatchInstance_HALF_RANGE) * mBatchInstanceDimensions.x + mOrigin.x + mHalfBatchInstanceDimensions.x, ((Real)y - BatchInstance_HALF_RANGE) * mBatchInstanceDimensions.y + mOrigin.y + mHalfBatchInstanceDimensions.y, ((Real)z - BatchInstance_HALF_RANGE) * mBatchInstanceDimensions.z + mOrigin.z + mHalfBatchInstanceDimensions.z ); } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstance* InstancedGeometry::getBatchInstance( ushort x, ushort y, ushort z, bool autoCreate) { uint32 index = packIndex(x, y, z); BatchInstance* ret = getBatchInstance(index); if (!ret && autoCreate) { // Make a name StringUtil::StrStreamType str; str << mName << ":" << index; // Calculate the BatchInstance centre Vector3 centre(0,0,0);// = getBatchInstanceCentre(x, y, z); ret = OGRE_NEW BatchInstance(this, str.str(), mOwner, index/*, centre*/); mOwner->injectMovableObject(ret); ret->setVisible(mVisible); ret->setCastShadows(mCastShadows); if (mRenderQueueIDSet) { ret->setRenderQueueGroup(mRenderQueueID); } mBatchInstanceMap[index] = ret; } return ret; } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstance* InstancedGeometry::getBatchInstance(uint32 index) { BatchInstanceMap::iterator i = mBatchInstanceMap.find(index); if (i != mBatchInstanceMap.end()) { return i->second; } else { return 0; } } //-------------------------------------------------------------------------- void InstancedGeometry::getBatchInstanceIndexes(const Vector3& point, ushort& x, ushort& y, ushort& z) { // Scale the point into multiples of BatchInstance and adjust for origin Vector3 scaledPoint = (point - mOrigin) / mBatchInstanceDimensions; // Round down to 'bottom left' point which represents the cell index int ix = Math::IFloor(scaledPoint.x); int iy = Math::IFloor(scaledPoint.y); int iz = Math::IFloor(scaledPoint.z); // Check bounds if (ix < BatchInstance_MIN_INDEX || ix > BatchInstance_MAX_INDEX || iy < BatchInstance_MIN_INDEX || iy > BatchInstance_MAX_INDEX || iz < BatchInstance_MIN_INDEX || iz > BatchInstance_MAX_INDEX) { OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Point out of bounds", "InstancedGeometry::getBatchInstanceIndexes"); } // Adjust for the fact that we use unsigned values for simplicity // (requires less faffing about for negatives give 10-bit packing x = static_cast(ix + BatchInstance_HALF_RANGE); y = static_cast(iy + BatchInstance_HALF_RANGE); z = static_cast(iz + BatchInstance_HALF_RANGE); } //-------------------------------------------------------------------------- uint32 InstancedGeometry::packIndex(ushort x, ushort y, ushort z) { return x + (y << 10) + (z << 20); } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstance* InstancedGeometry::getBatchInstance(const Vector3& point, bool autoCreate) { ushort x, y, z; getBatchInstanceIndexes(point, x, y, z); return getBatchInstance(x, y, z, autoCreate); } //-------------------------------------------------------------------------- AxisAlignedBox InstancedGeometry::calculateBounds(VertexData* vertexData, const Vector3& position, const Quaternion& orientation, const Vector3& scale) { const VertexElement* posElem = vertexData->vertexDeclaration->findElementBySemantic( VES_POSITION); HardwareVertexBufferSharedPtr vbuf = vertexData->vertexBufferBinding->getBuffer(posElem->getSource()); unsigned char* vertex = static_cast( vbuf->lock(HardwareBuffer::HBL_READ_ONLY)); float* pFloat; Vector3 min = Vector3::ZERO, max = Vector3::UNIT_SCALE; bool first = true; for(size_t j = 0; j < vertexData->vertexCount; ++j, vertex += vbuf->getVertexSize()) { posElem->baseVertexPointerToElement(vertex, &pFloat); Vector3 pt; pt.x = (*pFloat++); pt.y = (*pFloat++); pt.z = (*pFloat++); // Transform to world (scale, rotate, translate) pt = (orientation * (pt * scale)) + position; if (first) { min = max = pt; first = false; } else { min.makeFloor(pt); max.makeCeil(pt); } } vbuf->unlock(); return AxisAlignedBox(min, max); } //-------------------------------------------------------------------------- void InstancedGeometry::addEntity(Entity* ent, const Vector3& position, const Quaternion& orientation, const Vector3& scale) { const MeshPtr& msh = ent->getMesh(); // Validate if (msh->isLodManual()) { LogManager::getSingleton().logMessage( "WARNING (InstancedGeometry): Manual LOD is not supported. " "Using only highest LOD level for mesh " + msh->getName()); } //get the skeleton of the entity, if that's not already done if(!ent->getMesh()->getSkeleton().isNull()&&mBaseSkeleton.isNull()) { mBaseSkeleton=ent->getMesh()->getSkeleton(); mSkeletonInstance= OGRE_NEW SkeletonInstance(mBaseSkeleton); mSkeletonInstance->load(); mAnimationState=ent->getAllAnimationStates(); } AxisAlignedBox sharedWorldBounds; // queue this entities submeshes and choice of material // also build the lists of geometry to be used for the source of lods for (uint i = 0; i < ent->getNumSubEntities(); ++i) { SubEntity* se = ent->getSubEntity(i); QueuedSubMesh* q = OGRE_NEW QueuedSubMesh(); // Get the geometry for this SubMesh q->submesh = se->getSubMesh(); q->geometryLodList = determineGeometry(q->submesh); q->materialName = se->getMaterialName(); q->orientation = orientation; q->position = position; q->scale = scale; q->ID = mObjectCount; // Determine the bounds based on the highest LOD q->worldBounds = calculateBounds( (*q->geometryLodList)[0].vertexData, position, orientation, scale); mQueuedSubMeshes.push_back(q); } mObjectCount++; } //-------------------------------------------------------------------------- InstancedGeometry::SubMeshLodGeometryLinkList* InstancedGeometry::determineGeometry(SubMesh* sm) { // First, determine if we've already seen this submesh before SubMeshGeometryLookup::iterator i = mSubMeshGeometryLookup.find(sm); if (i != mSubMeshGeometryLookup.end()) { return i->second; } // Otherwise, we have to create a new one SubMeshLodGeometryLinkList* lodList = OGRE_NEW_T(SubMeshLodGeometryLinkList, MEMCATEGORY_GEOMETRY)(); mSubMeshGeometryLookup[sm] = lodList; ushort numLods = sm->parent->isLodManual() ? 1 : sm->parent->getNumLodLevels(); lodList->resize(numLods); for (ushort lod = 0; lod < numLods; ++lod) { SubMeshLodGeometryLink& geomLink = (*lodList)[lod]; IndexData *lodIndexData; if (lod == 0) { lodIndexData = sm->indexData; } else { lodIndexData = sm->mLodFaceList[lod - 1]; } // Can use the original mesh geometry? if (sm->useSharedVertices) { if (sm->parent->getNumSubMeshes() == 1) { // Ok, this is actually our own anyway geomLink.vertexData = sm->parent->sharedVertexData; geomLink.indexData = lodIndexData; } else { // We have to split it splitGeometry(sm->parent->sharedVertexData, lodIndexData, &geomLink); } } else { if (lod == 0) { // Ok, we can use the existing geometry; should be in full // use by just this SubMesh geomLink.vertexData = sm->vertexData; geomLink.indexData = sm->indexData; } else { // We have to split it splitGeometry(sm->vertexData, lodIndexData, &geomLink); } } assert (geomLink.vertexData->vertexStart == 0 && "Cannot use vertexStart > 0 on indexed geometry due to " "rendersystem incompatibilities - see the docs!"); } return lodList; } //-------------------------------------------------------------------------- void InstancedGeometry::splitGeometry(VertexData* vd, IndexData* id, InstancedGeometry::SubMeshLodGeometryLink* targetGeomLink) { // Firstly we need to scan to see how many vertices are being used // and while we're at it, build the remap we can use later bool use32bitIndexes = id->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT; uint16 *p16; uint32 *p32; IndexRemap indexRemap; if (use32bitIndexes) { p32 = static_cast(id->indexBuffer->lock( id->indexStart, id->indexCount * id->indexBuffer->getIndexSize(), HardwareBuffer::HBL_READ_ONLY)); buildIndexRemap(p32, id->indexCount, indexRemap); id->indexBuffer->unlock(); } else { p16 = static_cast(id->indexBuffer->lock( id->indexStart, id->indexCount * id->indexBuffer->getIndexSize(), HardwareBuffer::HBL_READ_ONLY)); buildIndexRemap(p16, id->indexCount, indexRemap); id->indexBuffer->unlock(); } if (indexRemap.size() == vd->vertexCount) { // ha, complete usage after all targetGeomLink->vertexData = vd; targetGeomLink->indexData = id; return; } // Create the new vertex data records targetGeomLink->vertexData = vd->clone(false); // Convenience VertexData* newvd = targetGeomLink->vertexData; //IndexData* newid = targetGeomLink->indexData; // Update the vertex count newvd->vertexCount = indexRemap.size(); size_t numvbufs = vd->vertexBufferBinding->getBufferCount(); // Copy buffers from old to new for (unsigned short b = 0; b < numvbufs; ++b) { // Lock old buffer HardwareVertexBufferSharedPtr oldBuf = vd->vertexBufferBinding->getBuffer(b); // Create new buffer HardwareVertexBufferSharedPtr newBuf = HardwareBufferManager::getSingleton().createVertexBuffer( oldBuf->getVertexSize(), indexRemap.size(), HardwareBuffer::HBU_STATIC); // rebind newvd->vertexBufferBinding->setBinding(b, newBuf); // Copy all the elements of the buffer across, by iterating over // the IndexRemap which describes how to move the old vertices // to the new ones. By nature of the map the remap is in order of // indexes in the old buffer, but note that we're not guaranteed to // address every vertex (which is kinda why we're here) uchar* pSrcBase = static_cast( oldBuf->lock(HardwareBuffer::HBL_READ_ONLY)); uchar* pDstBase = static_cast( newBuf->lock(HardwareBuffer::HBL_DISCARD)); size_t vertexSize = oldBuf->getVertexSize(); // Buffers should be the same size assert (vertexSize == newBuf->getVertexSize()); for (IndexRemap::iterator r = indexRemap.begin(); r != indexRemap.end(); ++r) { assert (r->first < oldBuf->getNumVertices()); assert (r->second < newBuf->getNumVertices()); uchar* pSrc = pSrcBase + r->first * vertexSize; uchar* pDst = pDstBase + r->second * vertexSize; memcpy(pDst, pSrc, vertexSize); } // unlock oldBuf->unlock(); newBuf->unlock(); } // Now create a new index buffer HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().createIndexBuffer( id->indexBuffer->getType(), id->indexCount, HardwareBuffer::HBU_STATIC); if (use32bitIndexes) { uint32 *pSrc32, *pDst32; pSrc32 = static_cast(id->indexBuffer->lock( id->indexStart, id->indexCount * id->indexBuffer->getIndexSize(), HardwareBuffer::HBL_READ_ONLY)); pDst32 = static_cast(ibuf->lock( HardwareBuffer::HBL_DISCARD)); remapIndexes(pSrc32, pDst32, indexRemap, id->indexCount); id->indexBuffer->unlock(); ibuf->unlock(); } else { uint16 *pSrc16, *pDst16; pSrc16 = static_cast(id->indexBuffer->lock( id->indexStart, id->indexCount * id->indexBuffer->getIndexSize(), HardwareBuffer::HBL_READ_ONLY)); pDst16 = static_cast(ibuf->lock( HardwareBuffer::HBL_DISCARD)); remapIndexes(pSrc16, pDst16, indexRemap, id->indexCount); id->indexBuffer->unlock(); ibuf->unlock(); } targetGeomLink->indexData = OGRE_NEW IndexData(); targetGeomLink->indexData->indexStart = 0; targetGeomLink->indexData->indexCount = id->indexCount; targetGeomLink->indexData->indexBuffer = ibuf; // Store optimised geometry for deallocation later OptimisedSubMeshGeometry *optGeom = OGRE_NEW OptimisedSubMeshGeometry(); optGeom->indexData = targetGeomLink->indexData; optGeom->vertexData = targetGeomLink->vertexData; mOptimisedSubMeshGeometryList.push_back(optGeom); } //-------------------------------------------------------------------------- void InstancedGeometry::addSceneNode(const SceneNode* node) { SceneNode::ConstObjectIterator obji = node->getAttachedObjectIterator(); while (obji.hasMoreElements()) { MovableObject* mobj = obji.getNext(); if (mobj->getMovableType() == "Entity") { addEntity(static_cast(mobj), node->_getDerivedPosition(), node->_getDerivedOrientation(), node->_getDerivedScale()); } } // Iterate through all the child-nodes SceneNode::ConstChildNodeIterator nodei = node->getChildIterator(); while (nodei.hasMoreElements()) { const SceneNode* newNode = static_cast(nodei.getNext()); // Add this subnode and its children... addSceneNode( newNode ); } } //-------------------------------------------------------------------------- void InstancedGeometry::build(void) { // Make sure there's nothing from previous builds destroy(); // Firstly allocate meshes to BatchInstances for (QueuedSubMeshList::iterator qi = mQueuedSubMeshes.begin(); qi != mQueuedSubMeshes.end(); ++qi) { QueuedSubMesh* qsm = *qi; //BatchInstance* BatchInstance = getBatchInstance(qsm->worldBounds, true); BatchInstance* batchInstance = getInstancedGeometryInstance(); batchInstance->assign(qsm); } // Now tell each BatchInstance to build itself for (BatchInstanceMap::iterator ri = mBatchInstanceMap.begin(); ri != mBatchInstanceMap.end(); ++ri) { ri->second->build(); } } //-------------------------------------------------------------------------- void InstancedGeometry::addBatchInstance(void) { BatchInstanceIterator regIt = getBatchInstanceIterator(); BatchInstance*lastBatchInstance=0 ; while(regIt.hasMoreElements()) { lastBatchInstance= regIt.getNext(); } uint32 index=(lastBatchInstance)?lastBatchInstance->getID()+1:0; //create a new BatchInstance BatchInstance*ret = OGRE_NEW BatchInstance(this, mName+":"+StringConverter::toString(index), mOwner, index); ret->attachToScene(); mOwner->injectMovableObject(ret); ret->setVisible(mVisible); ret->setCastShadows(mCastShadows); mBatchInstanceMap[index] = ret; if (mRenderQueueIDSet) { ret->setRenderQueueGroup(mRenderQueueID); } const size_t numLod = lastBatchInstance->mLodValues.size(); ret->mLodValues.resize(numLod); for (ushort lod = 0; lod < numLod; lod++) { ret->mLodValues[lod] = lastBatchInstance->mLodValues[lod]; } // update bounds AxisAlignedBox box(lastBatchInstance->mAABB.getMinimum(),lastBatchInstance->mAABB.getMaximum()); ret->mAABB.merge(box); ret->mBoundingRadius = lastBatchInstance->mBoundingRadius ; //now create news instanced objects BatchInstance::ObjectsMap::iterator objIt; for(objIt=lastBatchInstance->getInstancesMap().begin();objIt!=lastBatchInstance->getInstancesMap().end();objIt++) { InstancedObject* instancedObject = ret->isInstancedObjectPresent(objIt->first); if(instancedObject == NULL) { if(mBaseSkeleton.isNull()) { instancedObject= OGRE_NEW InstancedObject(objIt->first); } else { instancedObject= OGRE_NEW InstancedObject(objIt->first,mSkeletonInstance,mAnimationState); } ret->addInstancedObject(objIt->first,instancedObject); } } BatchInstance::LODIterator lodIterator = lastBatchInstance->getLODIterator(); //parse all the lod buckets of the BatchInstance while (lodIterator.hasMoreElements()) { LODBucket* lod = lodIterator.getNext(); //create a new lod bucket for the new BatchInstance LODBucket* lodBucket= OGRE_NEW LODBucket(ret, lod->getLod(), lod->getLodValue()); //add the lod bucket to the BatchInstance list ret->updateContainers(lodBucket); LODBucket::MaterialIterator matIt = lod->getMaterialIterator(); //parse all the material buckets of the lod bucket while (matIt.hasMoreElements()) { MaterialBucket*mat = matIt.getNext(); //create a new material bucket String materialName=mat->getMaterialName(); MaterialBucket* matBucket = OGRE_NEW MaterialBucket(lodBucket,materialName); //add the material bucket to the lod buckets list and map lodBucket->updateContainers(matBucket, materialName); MaterialBucket::GeometryIterator geomIt = mat->getGeometryIterator(); //parse all the geometry buckets of the material bucket while(geomIt.hasMoreElements()) { //get the source geometry bucket GeometryBucket *geom = geomIt.getNext(); //create a new geometry bucket GeometryBucket *geomBucket = OGRE_NEW GeometryBucket(matBucket,geom->getFormatString(),geom); //update the material bucket map of the material bucket matBucket->updateContainers(geomBucket, geomBucket->getFormatString() ); //copy bounding informations geomBucket->getAABB()=geom->getAABB(); geomBucket->setBoundingBox( geom->getBoundingBox()); //now setups the news InstancedObjects. for(objIt=ret->getInstancesMap().begin();objIt!=ret->getInstancesMap().end();objIt++) { //get the destination IntanciedObject InstancedObject*obj=objIt->second; InstancedObject::GeometryBucketList::iterator findIt; //check if the bucket is not already in the list findIt=std::find(obj->getGeometryBucketList().begin(),obj->getGeometryBucketList().end(),geomBucket); if(findIt==obj->getGeometryBucketList().end()) obj->addBucketToList(geomBucket); } } } } } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::updateContainers(LODBucket* bucket ) { mLodBucketList.push_back(bucket); } //-------------------------------------------------------------------------- void InstancedGeometry::LODBucket::updateContainers(MaterialBucket* bucket, String& name ) { mMaterialBucketMap[name] = bucket; } //-------------------------------------------------------------------------- String InstancedGeometry::GeometryBucket::getFormatString(void) const { return mFormatString; } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::attachToScene() { mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(mName/*,mCentre*/); mNode->attachObject(this); } //-------------------------------------------------------------------------- void InstancedGeometry::MaterialBucket::updateContainers(InstancedGeometry::GeometryBucket* bucket, const String & format) { mCurrentGeometryMap[format]=bucket; mGeometryBucketList.push_back(bucket); } void InstancedGeometry::MaterialBucket:: setMaterial(const String & name) { mMaterial=MaterialManager::getSingleton().getByName(name); } //-------------------------------------------------------------------------- void InstancedGeometry::destroy(void) { RenderOperationVector::iterator it; for(it=mRenderOps.begin();it!=mRenderOps.end();++it) { OGRE_DELETE (*it)->vertexData; OGRE_DELETE (*it)->indexData; } mRenderOps.clear(); // delete the BatchInstances for (BatchInstanceMap::iterator i = mBatchInstanceMap.begin(); i != mBatchInstanceMap.end(); ++i) { mOwner->extractMovableObject(i->second); OGRE_DELETE i->second; } mBatchInstanceMap.clear(); mInstancedGeometryInstance = NULL; } //-------------------------------------------------------------------------- void InstancedGeometry::reset(void) { destroy(); for (QueuedSubMeshList::iterator i = mQueuedSubMeshes.begin(); i != mQueuedSubMeshes.end(); ++i) { OGRE_DELETE *i; } mQueuedSubMeshes.clear(); // Delete precached geoemtry lists for (SubMeshGeometryLookup::iterator l = mSubMeshGeometryLookup.begin(); l != mSubMeshGeometryLookup.end(); ++l) { OGRE_DELETE_T(l->second, SubMeshLodGeometryLinkList, MEMCATEGORY_GEOMETRY); } mSubMeshGeometryLookup.clear(); // Delete optimised geometry for (OptimisedSubMeshGeometryList::iterator o = mOptimisedSubMeshGeometryList.begin(); o != mOptimisedSubMeshGeometryList.end(); ++o) { OGRE_DELETE *o; } mOptimisedSubMeshGeometryList.clear(); } //-------------------------------------------------------------------------- void InstancedGeometry::setVisible(bool visible) { mVisible = visible; // tell any existing BatchInstances for (BatchInstanceMap::iterator ri = mBatchInstanceMap.begin(); ri != mBatchInstanceMap.end(); ++ri) { ri->second->setVisible(visible); } } //-------------------------------------------------------------------------- void InstancedGeometry::setCastShadows(bool castShadows) { mCastShadows = castShadows; // tell any existing BatchInstances for (BatchInstanceMap::iterator ri = mBatchInstanceMap.begin(); ri != mBatchInstanceMap.end(); ++ri) { ri->second->setCastShadows(castShadows); } } //-------------------------------------------------------------------------- void InstancedGeometry::setRenderQueueGroup(uint8 queueID) { assert(queueID <= RENDER_QUEUE_MAX && "Render queue out of range!"); mRenderQueueIDSet = true; mRenderQueueID = queueID; // tell any existing BatchInstances for (BatchInstanceMap::iterator ri = mBatchInstanceMap.begin(); ri != mBatchInstanceMap.end(); ++ri) { ri->second->setRenderQueueGroup(queueID); } } //-------------------------------------------------------------------------- uint8 InstancedGeometry::getRenderQueueGroup(void) const { return mRenderQueueID; } //-------------------------------------------------------------------------- void InstancedGeometry::dump(const String& filename) const { std::ofstream of(filename.c_str()); of << "Static Geometry Report for " << mName << std::endl; of << "-------------------------------------------------" << std::endl; of << "Number of queued submeshes: " << mQueuedSubMeshes.size() << std::endl; of << "Number of BatchInstances: " << mBatchInstanceMap.size() << std::endl; of << "BatchInstance dimensions: " << mBatchInstanceDimensions << std::endl; of << "Origin: " << mOrigin << std::endl; of << "Max distance: " << mUpperDistance << std::endl; of << "Casts shadows?: " << mCastShadows << std::endl; of << std::endl; for (BatchInstanceMap::const_iterator ri = mBatchInstanceMap.begin(); ri != mBatchInstanceMap.end(); ++ri) { ri->second->dump(of); } of << "-------------------------------------------------" << std::endl; } //-------------------------------------------------------------------------- void InstancedGeometry::setProvideWorldInverses(bool flag) { mProvideWorldInverses = flag; } //--------------------------------------------------------------------- void InstancedGeometry::visitRenderables(Renderable::Visitor* visitor, bool debugRenderables) { for (BatchInstanceMap::const_iterator ri = mBatchInstanceMap.begin(); ri != mBatchInstanceMap.end(); ++ri) { ri->second->visitRenderables(visitor, debugRenderables); } } //-------------------------------------------------------------------------- InstancedGeometry::InstancedObject::InstancedObject(unsigned short index,SkeletonInstance *skeleton, AnimationStateSet*animations) : mIndex(index), mTransformation(Matrix4::ZERO), mOrientation(Quaternion::IDENTITY), mScale(Vector3::UNIT_SCALE), mPosition(Vector3::ZERO), mSkeletonInstance(skeleton), mBoneWorldMatrices(NULL), mBoneMatrices(NULL), mNumBoneMatrices(0), mFrameAnimationLastUpdated(std::numeric_limits::max()) { mSkeletonInstance->load(); mAnimationState = OGRE_NEW AnimationStateSet(); mNumBoneMatrices = mSkeletonInstance->getNumBones(); mBoneMatrices = OGRE_ALLOC_T(Matrix4, mNumBoneMatrices, MEMCATEGORY_ANIMATION); AnimationStateIterator it=animations->getAnimationStateIterator(); while (it.hasMoreElements()) { AnimationState*anim= it.getNext(); mAnimationState->createAnimationState(anim->getAnimationName(),anim->getTimePosition(),anim->getLength(), anim->getWeight()); } } //-------------------------------------------------------------------------- InstancedGeometry::InstancedObject::InstancedObject(unsigned short index) :mIndex(index), mTransformation(Matrix4::ZERO), mOrientation(Quaternion::IDENTITY), mScale(Vector3::UNIT_SCALE), mPosition(Vector3::ZERO), mSkeletonInstance(0), mBoneWorldMatrices(0), mBoneMatrices(0), mAnimationState(0), mNumBoneMatrices(0), mFrameAnimationLastUpdated(std::numeric_limits::max()) { } //-------------------------------------------------------------------------- InstancedGeometry::InstancedObject::~InstancedObject() { mGeometryBucketList.clear(); OGRE_DELETE mAnimationState; OGRE_FREE(mBoneMatrices, MEMCATEGORY_ANIMATION); OGRE_FREE(mBoneWorldMatrices, MEMCATEGORY_ANIMATION); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::addBucketToList(GeometryBucket*bucket) { mGeometryBucketList.push_back(bucket); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::setPosition( Vector3 position) { mPosition=position; needUpdate(); BatchInstance*parentBatchInstance=(*(mGeometryBucketList.begin()))->getParent()->getParent()->getParent(); parentBatchInstance->updateBoundingBox(); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::translate(const Vector3 &d) { mPosition += d; needUpdate(); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::translate(const Matrix3 & axes,const Vector3 &move) { Vector3 derived = axes * move; translate(derived); } //-------------------------------------------------------------------------- Matrix3 InstancedGeometry::InstancedObject::getLocalAxes() const { Vector3 axisX = Vector3::UNIT_X; Vector3 axisY = Vector3::UNIT_Y; Vector3 axisZ = Vector3::UNIT_Z; axisX = mOrientation * axisX; axisY = mOrientation * axisY; axisZ = mOrientation * axisZ; return Matrix3(axisX.x, axisY.x, axisZ.x, axisX.y, axisY.y, axisZ.y, axisX.z, axisY.z, axisZ.z); } //-------------------------------------------------------------------------- const Vector3 & InstancedGeometry::InstancedObject::getPosition(void) const { return mPosition; } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::yaw(const Radian&angle) { Quaternion q; q.FromAngleAxis(angle,Vector3::UNIT_Y); rotate(q); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::pitch(const Radian&angle) { Quaternion q; q.FromAngleAxis(angle,Vector3::UNIT_X); rotate(q); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::roll(const Radian&angle) { Quaternion q; q.FromAngleAxis(angle,Vector3::UNIT_Z); rotate(q); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::setScale(const Vector3&scale) { mScale=scale; needUpdate(); } const Vector3& InstancedGeometry::InstancedObject::getScale() const { return mScale; } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::rotate(const Quaternion& q) { mOrientation = mOrientation * q; needUpdate(); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::setOrientation(const Quaternion& q) { mOrientation = q; needUpdate(); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::setPositionAndOrientation(Vector3 p, const Quaternion& q) { mPosition = p; mOrientation = q; needUpdate(); BatchInstance* parentBatchInstance=(*(mGeometryBucketList.begin()))->getParent()->getParent()->getParent(); parentBatchInstance->updateBoundingBox(); } //-------------------------------------------------------------------------- Quaternion &InstancedGeometry::InstancedObject::getOrientation(void) { return mOrientation; } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::needUpdate() { mTransformation.makeTransform( mPosition, mScale, mOrientation); } //-------------------------------------------------------------------------- void InstancedGeometry::InstancedObject::updateAnimation(void) { if(mSkeletonInstance) { GeometryBucketList::iterator it; mSkeletonInstance->setAnimationState(*mAnimationState); mSkeletonInstance->_getBoneMatrices(mBoneMatrices); // Allocate bone world matrices on demand, for better memory footprint // when using software animation. if (!mBoneWorldMatrices) { mBoneWorldMatrices = OGRE_ALLOC_T(Matrix4, mNumBoneMatrices, MEMCATEGORY_ANIMATION); } for (unsigned short i = 0; i < mNumBoneMatrices; ++i) { mBoneWorldMatrices[i] = mTransformation * mBoneMatrices[i]; } } } //-------------------------------------------------------------------------- AnimationState* InstancedGeometry::InstancedObject::getAnimationState(const String& name) const { if (!mAnimationState) { OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Object is not animated", "InstancedGeometry::InstancedObject::getAnimationState"); } // AnimationStateIterator it=mAnimationState->getAnimationStateIterator(); // while (it.hasMoreElements()) // { // AnimationState*anim= it.getNext(); // // // } return mAnimationState->getAnimationState(name); } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstanceIterator InstancedGeometry::getBatchInstanceIterator(void) { return BatchInstanceIterator(mBatchInstanceMap.begin(), mBatchInstanceMap.end()); } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstance::BatchInstance(InstancedGeometry* parent, const String& name, SceneManager* mgr, uint32 BatchInstanceID) : MovableObject(name), mParent(parent), mSceneMgr(mgr), mNode(0), mBatchInstanceID(BatchInstanceID), mBoundingRadius(0.0f), mCurrentLod(0), mLodStrategy(0) { } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstance::~BatchInstance() { if (mNode) { mNode->getParentSceneNode()->removeChild(mNode); mSceneMgr->destroySceneNode(mNode->getName()); mNode = 0; } // delete for (LODBucketList::iterator i = mLodBucketList.begin(); i != mLodBucketList.end(); ++i) { OGRE_DELETE *i; } mLodBucketList.clear(); ObjectsMap::iterator o; for(o=mInstancesMap.begin();o!=mInstancesMap.end();o++) { OGRE_DELETE o->second; } mInstancesMap.clear(); // no need to delete queued meshes, these are managed in InstancedGeometry } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::assign(QueuedSubMesh* qmesh) { mQueuedSubMeshes.push_back(qmesh); // Set/check lod strategy const LodStrategy *lodStrategy = qmesh->submesh->parent->getLodStrategy(); if (mLodStrategy == 0) { mLodStrategy = lodStrategy; // First LOD mandatory, and always from base lod value mLodValues.push_back(mLodStrategy->getBaseValue()); } else { if (mLodStrategy != lodStrategy) OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Lod strategies do not match", "InstancedGeometry::InstancedObject::assign"); } // update lod values ushort lodLevels = qmesh->submesh->parent->getNumLodLevels(); assert(qmesh->geometryLodList->size() == lodLevels); while(mLodValues.size() < lodLevels) { mLodValues.push_back(0.0f); } // Make sure LOD levels are max of all at the requested level for (ushort lod = 1; lod < lodLevels; ++lod) { const MeshLodUsage& meshLod = qmesh->submesh->parent->getLodLevel(lod); mLodValues[lod] = std::max(mLodValues[lod], meshLod.value); } // update bounds // Transform world bounds relative to our centre AxisAlignedBox localBounds( qmesh->worldBounds.getMinimum() , qmesh->worldBounds.getMaximum()); mAABB.merge(localBounds); mBoundingRadius = Math::boundingRadiusFromAABB(mAABB); } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::build() { // Create a node mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(mName); mNode->attachObject(this); // We need to create enough LOD buckets to deal with the highest LOD // we encountered in all the meshes queued for (ushort lod = 0; lod < mLodValues.size(); ++lod) { LODBucket* lodBucket = OGRE_NEW LODBucket(this, lod, mLodValues[lod]); mLodBucketList.push_back(lodBucket); // Now iterate over the meshes and assign to LODs // LOD bucket will pick the right LOD to use QueuedSubMeshList::iterator qi, qiend; qiend = mQueuedSubMeshes.end(); for (qi = mQueuedSubMeshes.begin(); qi != qiend; ++qi) { lodBucket->assign(*qi, lod); } // now build lodBucket->build(); } } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::updateBoundingBox() { AxisAlignedBox aabb; //Get the first GeometryBucket to get the aabb LODIterator lodIterator = getLODIterator(); if( lodIterator.hasMoreElements() ) { LODBucket* lod = lodIterator.getNext(); LODBucket::MaterialIterator matIt = lod->getMaterialIterator(); if( matIt.hasMoreElements() ) { MaterialBucket*mat = matIt.getNext(); MaterialBucket::GeometryIterator geomIt = mat->getGeometryIterator(); if( geomIt.hasMoreElements() ) { GeometryBucket *geom = geomIt.getNext(); aabb = geom->getAABB(); } } } ObjectsMap::iterator objIt; Vector3 vMin( Vector3::ZERO ); Vector3 vMax( Vector3::ZERO ); if( !mInstancesMap.empty() ) { objIt = mInstancesMap.begin(); vMin = objIt->second->getPosition() + aabb.getMinimum(); vMax = objIt->second->getPosition() + aabb.getMaximum(); } for( objIt=mInstancesMap.begin(); objIt!=mInstancesMap.end(); objIt++ ) { const Vector3 &position = objIt->second->getPosition(); const Vector3 &scale = objIt->second->getScale(); vMin.x = std::min( vMin.x, position.x + aabb.getMinimum().x * scale.x ); vMin.y = std::min( vMin.y, position.y + aabb.getMinimum().y * scale.y ); vMin.z = std::min( vMin.z, position.z + aabb.getMinimum().z * scale.z ); vMax.x = std::max( vMax.x, position.x + aabb.getMaximum().x * scale.x ); vMax.y = std::max( vMax.y, position.y + aabb.getMaximum().y * scale.y ); vMax.z = std::max( vMax.z, position.z + aabb.getMaximum().z * scale.z ); } aabb.setExtents( vMin, vMax ); //Now apply the bounding box lodIterator = getLODIterator(); while( lodIterator.hasMoreElements() ) { LODBucket* lod = lodIterator.getNext(); LODBucket::MaterialIterator matIt = lod->getMaterialIterator(); while (matIt.hasMoreElements()) { MaterialBucket*mat = matIt.getNext(); MaterialBucket::GeometryIterator geomIt = mat->getGeometryIterator(); while( geomIt.hasMoreElements() ) { GeometryBucket *geom = geomIt.getNext(); geom->setBoundingBox( aabb ); this->mNode->_updateBounds(); mAABB = aabb; } } } } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::addInstancedObject(unsigned short index,InstancedObject* object) { mInstancesMap[index]=object; } //-------------------------------------------------------------------------- InstancedGeometry::InstancedObject* InstancedGeometry::BatchInstance::isInstancedObjectPresent(unsigned short index) { if (mInstancesMap.find(index)!=mInstancesMap.end()) return mInstancesMap[index]; else return NULL; } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstance::InstancedObjectIterator InstancedGeometry::BatchInstance::getObjectIterator() { return InstancedObjectIterator(mInstancesMap.begin(), mInstancesMap.end()); } //-------------------------------------------------------------------------- const String& InstancedGeometry::BatchInstance::getMovableType(void) const { static String sType = "InstancedGeometry"; return sType; } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::_notifyCurrentCamera(Camera* cam) { // Set camera mCamera = cam; // Cache squared view depth for use by GeometryBucket mSquaredViewDepth = mParentNode->getSquaredViewDepth(cam->getLodCamera()); // No lod strategy set yet, skip (this indicates that there are no submeshes) if (mLodStrategy == 0) return; // Sanity check assert(!mLodValues.empty()); // Calculate lod value Real lodValue = mLodStrategy->getValue(this, cam); // Store lod value for this strategy mLodValue = lodValue; // Get lod index mCurrentLod = mLodStrategy->getIndex(lodValue, mLodValues); } //-------------------------------------------------------------------------- const AxisAlignedBox& InstancedGeometry::BatchInstance::getBoundingBox(void) const { return mAABB; } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::setBoundingBox(AxisAlignedBox & box) { mAABB=box; } //-------------------------------------------------------------------------- Real InstancedGeometry::BatchInstance::getBoundingRadius(void) const { return mBoundingRadius; } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::_updateRenderQueue(RenderQueue* queue) { ObjectsMap::iterator it; //we parse the Instanced Object map to update the animations. for (it=mInstancesMap.begin();it!=mInstancesMap.end();++it) { it->second->updateAnimation(); } mLodBucketList[mCurrentLod]->addRenderables(queue, mRenderQueueID, mLodValue); } //--------------------------------------------------------------------- void InstancedGeometry::BatchInstance::visitRenderables( Renderable::Visitor* visitor, bool debugRenderables) { for (LODBucketList::iterator i = mLodBucketList.begin(); i != mLodBucketList.end(); ++i) { (*i)->visitRenderables(visitor, debugRenderables); } } //-------------------------------------------------------------------------- bool InstancedGeometry::BatchInstance::isVisible(void) const { return mVisible && !mBeyondFarDistance; } //-------------------------------------------------------------------------- InstancedGeometry::BatchInstance::LODIterator InstancedGeometry::BatchInstance::getLODIterator(void) { return LODIterator(mLodBucketList.begin(), mLodBucketList.end()); } //-------------------------------------------------------------------------- const LightList& InstancedGeometry::BatchInstance::getLights(void) const { return queryLights(); } //-------------------------------------------------------------------------- void InstancedGeometry::BatchInstance::dump(std::ofstream& of) const { of << "BatchInstance " << mBatchInstanceID << std::endl; of << "--------------------------" << std::endl; of << "Local AABB: " << mAABB << std::endl; of << "Bounding radius: " << mBoundingRadius << std::endl; of << "Number of LODs: " << mLodBucketList.size() << std::endl; for (LODBucketList::const_iterator i = mLodBucketList.begin(); i != mLodBucketList.end(); ++i) { (*i)->dump(of); } of << "--------------------------" << std::endl; } //-------------------------------------------------------------------------- //-------------------------------------------------------------------------- InstancedGeometry::LODBucket::LODBucket(BatchInstance* parent, unsigned short lod, Real lodValue) : mParent(parent), mLod(lod), mLodValue(lodValue) { } //-------------------------------------------------------------------------- InstancedGeometry::LODBucket::~LODBucket() { // delete for (MaterialBucketMap::iterator i = mMaterialBucketMap.begin(); i != mMaterialBucketMap.end(); ++i) { OGRE_DELETE i->second; } mMaterialBucketMap.clear(); for(QueuedGeometryList::iterator qi = mQueuedGeometryList.begin(); qi != mQueuedGeometryList.end(); ++qi) { OGRE_DELETE *qi; } mQueuedGeometryList.clear(); // no need to delete queued meshes, these are managed in InstancedGeometry } //-------------------------------------------------------------------------- void InstancedGeometry::LODBucket::assign(QueuedSubMesh* qmesh, ushort atLod) { QueuedGeometry* q = OGRE_NEW QueuedGeometry(); mQueuedGeometryList.push_back(q); q->position = qmesh->position; q->orientation = qmesh->orientation; q->scale = qmesh->scale; q->ID = qmesh->ID; if (qmesh->geometryLodList->size() > atLod) { // This submesh has enough lods, use the right one q->geometry = &(*qmesh->geometryLodList)[atLod]; } else { // Not enough lods, use the lowest one we have q->geometry = &(*qmesh->geometryLodList)[qmesh->geometryLodList->size() - 1]; } // Locate a material bucket MaterialBucket* mbucket = 0; MaterialBucketMap::iterator m = mMaterialBucketMap.find(qmesh->materialName); if (m != mMaterialBucketMap.end()) { mbucket = m->second; } else { mbucket = OGRE_NEW MaterialBucket(this, qmesh->materialName); mMaterialBucketMap[qmesh->materialName] = mbucket; } mbucket->assign(q); } //-------------------------------------------------------------------------- void InstancedGeometry::LODBucket::build() { // Just pass this on to child buckets for (MaterialBucketMap::iterator i = mMaterialBucketMap.begin(); i != mMaterialBucketMap.end(); ++i) { i->second->build(); } } //-------------------------------------------------------------------------- void InstancedGeometry::LODBucket::addRenderables(RenderQueue* queue, uint8 group, Real lodValue) { // Just pass this on to child buckets MaterialBucketMap::iterator i, iend; iend = mMaterialBucketMap.end(); for (i = mMaterialBucketMap.begin(); i != iend; ++i) { i->second->addRenderables(queue, group, lodValue); } } //--------------------------------------------------------------------- void InstancedGeometry::LODBucket::visitRenderables(Renderable::Visitor* visitor, bool debugRenderables) { MaterialBucketMap::iterator i, iend; iend = mMaterialBucketMap.end(); for (i = mMaterialBucketMap.begin(); i != iend; ++i) { i->second->visitRenderables(visitor, debugRenderables); } } //-------------------------------------------------------------------------- InstancedGeometry::LODBucket::MaterialIterator InstancedGeometry::LODBucket::getMaterialIterator(void) { return MaterialIterator( mMaterialBucketMap.begin(), mMaterialBucketMap.end()); } //-------------------------------------------------------------------------- void InstancedGeometry::LODBucket::dump(std::ofstream& of) const { of << "LOD Bucket " << mLod << std::endl; of << "------------------" << std::endl; of << "Lod Value: " << mLodValue << std::endl; of << "Number of Materials: " << mMaterialBucketMap.size() << std::endl; for (MaterialBucketMap::const_iterator i = mMaterialBucketMap.begin(); i != mMaterialBucketMap.end(); ++i) { i->second->dump(of); } of << "------------------" << std::endl; } //-------------------------------------------------------------------------- //-------------------------------------------------------------------------- InstancedGeometry::MaterialBucket::MaterialBucket(LODBucket* parent, const String& materialName) : mParent(parent) , mMaterialName(materialName) , mTechnique(0) , mLastIndex(0) { mMaterial = MaterialManager::getSingleton().getByName(mMaterialName); } //-------------------------------------------------------------------------- InstancedGeometry::MaterialBucket::~MaterialBucket() { // delete for (GeometryBucketList::iterator i = mGeometryBucketList.begin(); i != mGeometryBucketList.end(); ++i) { OGRE_DELETE *i; } mGeometryBucketList.clear(); // no need to delete queued meshes, these are managed in InstancedGeometry } //-------------------------------------------------------------------------- void InstancedGeometry::MaterialBucket::assign(QueuedGeometry* qgeom) { // Look up any current geometry String formatString = getGeometryFormatString(qgeom->geometry); CurrentGeometryMap::iterator gi = mCurrentGeometryMap.find(formatString); bool newBucket = true; if (gi != mCurrentGeometryMap.end()) { // Found existing geometry, try to assign newBucket = !gi->second->assign(qgeom); // Note that this bucket will be replaced as the 'current' // for this format string below since it's out of space } // Do we need to create a new one? if (newBucket) { GeometryBucket* gbucket = OGRE_NEW GeometryBucket(this, formatString, qgeom->geometry->vertexData, qgeom->geometry->indexData); // Add to main list mGeometryBucketList.push_back(gbucket); // Also index in 'current' list mCurrentGeometryMap[formatString] = gbucket; if (!gbucket->assign(qgeom)) { OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Somehow we couldn't fit the requested geometry even in a " "brand new GeometryBucket!! Must be a bug, please report.", "InstancedGeometry::MaterialBucket::assign"); } } } //-------------------------------------------------------------------------- void InstancedGeometry::MaterialBucket::build() { mTechnique = 0; mMaterial = MaterialManager::getSingleton().getByName(mMaterialName); if (mMaterial.isNull()) { OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Material '" + mMaterialName + "' not found.", "InstancedGeometry::MaterialBucket::build"); } mMaterial->load(); // tell the geometry buckets to build for (GeometryBucketList::iterator i = mGeometryBucketList.begin(); i != mGeometryBucketList.end(); ++i) { (*i)->build(); } } //-------------------------------------------------------------------------- void InstancedGeometry::MaterialBucket::addRenderables(RenderQueue* queue, uint8 group, Real lodValue) { // Get batch instance BatchInstance *batchInstance = mParent->getParent(); // Get material lod strategy const LodStrategy *materialLodStrategy = mMaterial->getLodStrategy(); // If material strategy doesn't match, recompute lod value with correct strategy if (materialLodStrategy != batchInstance->mLodStrategy) lodValue = materialLodStrategy->getValue(batchInstance, batchInstance->mCamera); // Determine the current material technique mTechnique = mMaterial->getBestTechnique( mMaterial->getLodIndex(lodValue)); GeometryBucketList::iterator i, iend; iend = mGeometryBucketList.end(); for (i = mGeometryBucketList.begin(); i != iend; ++i) { queue->addRenderable(*i, group); } } //--------------------------------------------------------------------- void InstancedGeometry::MaterialBucket::visitRenderables( Renderable::Visitor* visitor, bool debugRenderables) { GeometryBucketList::iterator i, iend; iend = mGeometryBucketList.end(); for (i = mGeometryBucketList.begin(); i != iend; ++i) { (*i)->visitRenderables(visitor, debugRenderables); } } //-------------------------------------------------------------------------- String InstancedGeometry::MaterialBucket::getGeometryFormatString( SubMeshLodGeometryLink* geom) { // Formulate an identifying string for the geometry format // Must take into account the vertex declaration and the index type // Format is (all lines separated by '|'): // Index type // Vertex element (repeating) // source // semantic // type StringUtil::StrStreamType str; str << geom->indexData->indexBuffer->getType() << "|"; const VertexDeclaration::VertexElementList& elemList = geom->vertexData->vertexDeclaration->getElements(); VertexDeclaration::VertexElementList::const_iterator ei, eiend; eiend = elemList.end(); for (ei = elemList.begin(); ei != eiend; ++ei) { const VertexElement& elem = *ei; str << elem.getSource() << "|"; str << elem.getSource() << "|"; str << elem.getSemantic() << "|"; str << elem.getType() << "|"; } return str.str(); } //-------------------------------------------------------------------------- InstancedGeometry::MaterialBucket::GeometryIterator InstancedGeometry::MaterialBucket::getGeometryIterator(void) { return GeometryIterator( mGeometryBucketList.begin(), mGeometryBucketList.end()); } //-------------------------------------------------------------------------- void InstancedGeometry::MaterialBucket::dump(std::ofstream& of) const { of << "Material Bucket " << mMaterialName << std::endl; of << "--------------------------------------------------" << std::endl; of << "Geometry buckets: " << mGeometryBucketList.size() << std::endl; for (GeometryBucketList::const_iterator i = mGeometryBucketList.begin(); i != mGeometryBucketList.end(); ++i) { (*i)->dump(of); } of << "--------------------------------------------------" << std::endl; } //-------------------------------------------------------------------------- //-------------------------------------------------------------------------- InstancedGeometry::GeometryBucket::GeometryBucket(MaterialBucket* parent, const String& formatString, const VertexData* vData, const IndexData* iData) : SimpleRenderable(), mParent(parent), mFormatString(formatString), mVertexData(0), mIndexData(0) { mBatch=mParent->getParent()->getParent()->getParent(); if(!mBatch->getBaseSkeleton().isNull()) setCustomParameter(0,Vector4(mBatch->getBaseSkeleton()->getNumBones(),0,0,0)); //mRenderOperation=OGRE_NEW RenderOperation(); // Clone the structure from the example mVertexData = vData->clone(false); mRenderOp.useIndexes = true; mRenderOp.indexData = OGRE_NEW IndexData(); mRenderOp.indexData->indexCount = 0; mRenderOp.indexData->indexStart = 0; mRenderOp.vertexData = OGRE_NEW VertexData(); mRenderOp.vertexData->vertexCount = 0; mRenderOp.vertexData->vertexDeclaration = vData->vertexDeclaration->clone(); mIndexType = iData->indexBuffer->getType(); // Derive the max vertices if (mIndexType == HardwareIndexBuffer::IT_32BIT) { mMaxVertexIndex = 0xFFFFFFFF; } else { mMaxVertexIndex = 0xFFFF; } size_t offset=0; unsigned short texCoordOffset=0; unsigned short texCoordSource=0; const Ogre::VertexElement*elem=mRenderOp.vertexData->vertexDeclaration->findElementBySemantic(VES_TEXTURE_COORDINATES); if (elem != NULL) { texCoordSource=elem->getSource(); } for(ushort i=0;ivertexDeclaration->getElementCount();i++) { if(mRenderOp.vertexData->vertexDeclaration->getElement(i)->getSemantic() == VES_TEXTURE_COORDINATES) { texCoordOffset++; } if(texCoordSource==mRenderOp.vertexData->vertexDeclaration->getElement(i)->getSource()) { offset+= VertexElement::getTypeSize( mRenderOp.vertexData->vertexDeclaration->getElement(i)->getType()); } } mRenderOp.vertexData->vertexDeclaration->addElement(texCoordSource, offset, VET_FLOAT1, VES_TEXTURE_COORDINATES, texCoordOffset); mTexCoordIndex = texCoordOffset; } //-------------------------------------------------------------------------- InstancedGeometry::GeometryBucket::GeometryBucket(MaterialBucket* parent, const String& formatString,GeometryBucket* bucket) : SimpleRenderable(), mParent(parent), mFormatString(formatString), mVertexData(0), mIndexData(0) { mBatch=mParent->getParent()->getParent()->getParent(); if(!mBatch->getBaseSkeleton().isNull()) setCustomParameter(0,Vector4(mBatch->getBaseSkeleton()->getNumBones(),0,0,0)); bucket->getRenderOperation(mRenderOp); mVertexData=mRenderOp.vertexData; mIndexData=mRenderOp.indexData; setBoundingBox(AxisAlignedBox(-10000,-10000,-10000, 10000,10000,10000)); } //-------------------------------------------------------------------------- InstancedGeometry::GeometryBucket::~GeometryBucket() { } //-------------------------------------------------------------------------- Real InstancedGeometry::GeometryBucket::getBoundingRadius(void) const { return 1; } //-------------------------------------------------------------------------- const MaterialPtr& InstancedGeometry::GeometryBucket::getMaterial(void) const { return mParent->getMaterial(); } //-------------------------------------------------------------------------- Technique* InstancedGeometry::GeometryBucket::getTechnique(void) const { return mParent->getCurrentTechnique(); } //-------------------------------------------------------------------------- void InstancedGeometry::GeometryBucket::getWorldTransforms(Matrix4* xform) const { // Should be the identity transform, but lets allow transformation of the // nodes the BatchInstances are attached to for kicks if(mBatch->getBaseSkeleton().isNull()) { BatchInstance::ObjectsMap::iterator it,itbegin,itend,newit; itbegin=mParent->getParent()->getParent()->getInstancesMap().begin(); itend=mParent->getParent()->getParent()->getInstancesMap().end(); if( mParent->getParent()->getParent()->getParent()->getProvideWorldInverses() ) { // For shaders that use normal maps on instanced geometry objects, // we can pass the world transform inverse matrices alongwith with // the world matrices. This reduces our usable geometry limit by // half in each instance. for (it=itbegin; it!=itend; ++it,xform+=2) { *xform = it->second->mTransformation; *(xform+1) = xform->inverse(); } } else { for (it=itbegin; it!=itend; ++it,xform++) { *xform = it->second->mTransformation; } } } else { BatchInstance::ObjectsMap::iterator it,itbegin,itend,newit; itbegin=mParent->getParent()->getParent()->getInstancesMap().begin(); itend=mParent->getParent()->getParent()->getInstancesMap().end(); for (it=itbegin; it!=itend; ++it) { if( mParent->getParent()->getParent()->getParent()->getProvideWorldInverses() ) { for(int i=0;isecond->mNumBoneMatrices;++i,xform+=2) { *xform = it->second->mBoneWorldMatrices[i]; *(xform+1) = xform->inverse(); } } else { for(int i=0;isecond->mNumBoneMatrices;++i,xform++) { *xform = it->second->mBoneWorldMatrices[i]; } } } } } //-------------------------------------------------------------------------- unsigned short InstancedGeometry::GeometryBucket::getNumWorldTransforms(void) const { bool bSendInverseXfrm = mParent->getParent()->getParent()->getParent()->getProvideWorldInverses(); if(mBatch->getBaseSkeleton().isNull()) { BatchInstance* batch=mParent->getParent()->getParent(); return static_cast(batch->getInstancesMap().size() * (bSendInverseXfrm ? 2 : 1)); } else { BatchInstance* batch=mParent->getParent()->getParent(); return static_cast( mBatch->getBaseSkeleton()->getNumBones()*batch->getInstancesMap().size() * (bSendInverseXfrm ? 2 : 1)); } } //-------------------------------------------------------------------------- Real InstancedGeometry::GeometryBucket::getSquaredViewDepth(const Camera* cam) const { const BatchInstance *batchInstance = mParent->getParent()->getParent(); if (cam == batchInstance->mCamera) return batchInstance->mSquaredViewDepth; else return batchInstance->getParentNode()->getSquaredViewDepth(cam->getLodCamera()); } //-------------------------------------------------------------------------- const LightList& InstancedGeometry::GeometryBucket::getLights(void) const { return mParent->getParent()->getParent()->getLights(); } //-------------------------------------------------------------------------- bool InstancedGeometry::GeometryBucket::getCastsShadows(void) const { return mParent->getParent()->getParent()->getCastShadows(); } //-------------------------------------------------------------------------- bool InstancedGeometry::GeometryBucket::assign(QueuedGeometry* qgeom) { // Do we have enough space? if (mRenderOp.vertexData->vertexCount + qgeom->geometry->vertexData->vertexCount > mMaxVertexIndex) { return false; } mQueuedGeometry.push_back(qgeom); mRenderOp.vertexData->vertexCount += qgeom->geometry->vertexData->vertexCount; mRenderOp.indexData->indexCount += qgeom->geometry->indexData->indexCount; return true; } //-------------------------------------------------------------------------- void InstancedGeometry::GeometryBucket::build() { // Ok, here's where we transfer the vertices and indexes to the shared // buffers // Shortcuts VertexDeclaration* dcl = mRenderOp.vertexData->vertexDeclaration; VertexBufferBinding* binds =mVertexData->vertexBufferBinding; // create index buffer, and lock mRenderOp.indexData->indexBuffer = HardwareBufferManager::getSingleton() .createIndexBuffer(mIndexType, mRenderOp.indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY); uint32* p32Dest = 0; uint16* p16Dest = 0; if (mIndexType == HardwareIndexBuffer::IT_32BIT) { p32Dest = static_cast( mRenderOp.indexData->indexBuffer->lock(HardwareBuffer::HBL_DISCARD)); } else { p16Dest = static_cast( mRenderOp.indexData->indexBuffer->lock(HardwareBuffer::HBL_DISCARD)); } // create all vertex buffers, and lock ushort b; //ushort posBufferIdx = dcl->findElementBySemantic(VES_POSITION)->getSource(); vector::type destBufferLocks; vector::type bufferElements; for (b = 0; b < binds->getBufferCount(); ++b) { size_t vertexCount = mRenderOp.vertexData->vertexCount; HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton().createVertexBuffer( dcl->getVertexSize(b), vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY); binds->setBinding(b, vbuf); uchar* pLock = static_cast( vbuf->lock(HardwareBuffer::HBL_DISCARD)); destBufferLocks.push_back(pLock); // Pre-cache vertex elements per buffer bufferElements.push_back(dcl->findElementsBySource(b)); mRenderOp.vertexData->vertexBufferBinding->setBinding(b,vbuf); } // Iterate over the geometry items size_t indexOffset = 0; QueuedGeometryList::iterator gi, giend; giend = mQueuedGeometry.end(); // to generate the boundingBox Real Xmin,Ymin,Zmin,Xmax,Ymax,Zmax; Xmin=0; Ymin=0; Zmin=0; Xmax=0; Ymax=0; Zmax=0; QueuedGeometry* precGeom = *(mQueuedGeometry.begin()); unsigned short index=0; if( mParent->getLastIndex()!=0) index=mParent->getLastIndex()+1; for (gi = mQueuedGeometry.begin(); gi != giend; ++gi) { QueuedGeometry* geom = *gi; if(precGeom->ID!=geom->ID) index++; //create a new instanced object InstancedObject* instancedObject = mParent->getParent()->getParent()->isInstancedObjectPresent(index); if(instancedObject == NULL) { if(mBatch->getBaseSkeleton().isNull()) { instancedObject= OGRE_NEW InstancedObject(index); } else { instancedObject= OGRE_NEW InstancedObject(index,mBatch->getBaseSkeletonInstance(), mBatch->getBaseAnimationState()); } mParent->getParent()->getParent()->addInstancedObject(index,instancedObject); } instancedObject->addBucketToList(this); // Copy indexes across with offset IndexData* srcIdxData = geom->geometry->indexData; if (mIndexType == HardwareIndexBuffer::IT_32BIT) { // Lock source indexes uint32* pSrc = static_cast( srcIdxData->indexBuffer->lock( srcIdxData->indexStart, srcIdxData->indexCount * srcIdxData->indexBuffer->getIndexSize(), HardwareBuffer::HBL_READ_ONLY)); copyIndexes(pSrc, p32Dest, srcIdxData->indexCount, indexOffset); p32Dest += srcIdxData->indexCount; srcIdxData->indexBuffer->unlock(); } else { // Lock source indexes uint16* pSrc = static_cast( srcIdxData->indexBuffer->lock( srcIdxData->indexStart, srcIdxData->indexCount * srcIdxData->indexBuffer->getIndexSize(), HardwareBuffer::HBL_READ_ONLY)); copyIndexes(pSrc, p16Dest, srcIdxData->indexCount, indexOffset); p16Dest += srcIdxData->indexCount; srcIdxData->indexBuffer->unlock(); } // Now deal with vertex buffers // we can rely on buffer counts / formats being the same VertexData* srcVData = geom->geometry->vertexData; VertexBufferBinding* srcBinds = srcVData->vertexBufferBinding; for (b = 0; b < binds->getBufferCount(); ++b) { // lock source HardwareVertexBufferSharedPtr srcBuf = srcBinds->getBuffer(b); uchar* pSrcBase = static_cast( srcBuf->lock(HardwareBuffer::HBL_READ_ONLY)); // Get buffer lock pointer, we'll update this later uchar* pDstBase = destBufferLocks[b]; size_t bufInc = srcBuf->getVertexSize(); // Iterate over vertices float *pSrcReal, *pDstReal; Vector3 tmp; for (size_t v = 0; v < srcVData->vertexCount; ++v) { //to know if the current buffer is the one with the buffer or not bool isTheBufferWithIndex=false; // Iterate over vertex elements VertexDeclaration::VertexElementList& elems = bufferElements[b]; VertexDeclaration::VertexElementList::iterator ei; for (ei = elems.begin(); ei != elems.end(); ++ei) { VertexElement& elem = *ei; elem.baseVertexPointerToElement(pSrcBase, &pSrcReal); elem.baseVertexPointerToElement(pDstBase, &pDstReal); if(elem.getSemantic()==VES_TEXTURE_COORDINATES && elem.getIndex()==mTexCoordIndex) { isTheBufferWithIndex=true; *pDstReal++ = static_cast(index); } else { switch (elem.getSemantic()) { case VES_POSITION: tmp.x = pSrcReal[0]; tmp.y = pSrcReal[1]; tmp.z = pSrcReal[2]; if(tmp.xXmax) Xmax = tmp.x; if(tmp.y>Ymax) Ymax = tmp.y; if(tmp.z>Zmax) Zmax = tmp.z; default: // just raw copy memcpy(pDstReal, pSrcReal, VertexElement::getTypeSize(elem.getType())); break; }; } } if (isTheBufferWithIndex) pDstBase += bufInc+4; else pDstBase += bufInc; pSrcBase += bufInc; } // Update pointer destBufferLocks[b] = pDstBase; srcBuf->unlock(); } indexOffset += geom->geometry->vertexData->vertexCount; precGeom=geom; } mParent->setLastIndex(index); // Unlock everything mRenderOp.indexData->indexBuffer->unlock(); for (b = 0; b < binds->getBufferCount(); ++b) { binds->getBuffer(b)->unlock(); } OGRE_DELETE mVertexData; OGRE_DELETE mIndexData; mVertexData=mRenderOp.vertexData; mIndexData=mRenderOp.indexData; mBatch->getRenderOperationVector().push_back(&mRenderOp); setBoundingBox(AxisAlignedBox(Xmin,Ymin,Zmin,Xmax,Ymax,Zmax)); mAABB=AxisAlignedBox(Xmin,Ymin,Zmin,Xmax,Ymax,Zmax); } //-------------------------------------------------------------------------- void InstancedGeometry::GeometryBucket::dump(std::ofstream& of) const { of << "Geometry Bucket" << std::endl; of << "---------------" << std::endl; of << "Format string: " << mFormatString << std::endl; of << "Geometry items: " << mQueuedGeometry.size() << std::endl; of << "---------------" << std::endl; } //-------------------------------------------------------------------------- void InstancedGeometry::GeometryBucket::visitRenderables( Renderable::Visitor* visitor, bool debugRenderables) { visitor->visit(this, mParent->getParent()->getLod(), false); } //--------------------------------------------------------------------- }