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Diffstat (limited to 'indra/llprimitive/llmodelloader.h')
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1 files changed, 212 insertions, 0 deletions
diff --git a/indra/llprimitive/llmodelloader.h b/indra/llprimitive/llmodelloader.h new file mode 100644 index 0000000000..bb4d06dca3 --- /dev/null +++ b/indra/llprimitive/llmodelloader.h @@ -0,0 +1,212 @@ +/** + * @file llmodelloader.h + * @brief LLModelLoader class definition + * + * $LicenseInfo:firstyear=2004&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LL_LLMODELLOADER_H +#define LL_LLMODELLOADER_H + +#include "llmodel.h" +#include "llthread.h" +#include <boost/function.hpp> +#include <list> + +class LLJoint; + +typedef std::map<std::string, LLMatrix4> JointTransformMap; +typedef std::map<std::string, LLMatrix4>:: iterator JointTransformMapIt; +typedef std::map<std::string, std::string> JointMap; +typedef std::deque<std::string> JointSet; + +const S32 SLM_SUPPORTED_VERSION = 3; +const S32 NUM_LOD = 4; + +class LLModelLoader : public LLThread +{ +public: + + typedef std::map<std::string, LLImportMaterial> material_map; + typedef std::vector<LLPointer<LLModel > > model_list; + typedef std::vector<LLModelInstance> model_instance_list; + typedef std::map<LLMatrix4, model_instance_list > scene; + + // Callback with loaded model data and loaded LoD + // + typedef boost::function<void (scene&,model_list&,S32,void*) > load_callback_t; + + // Function to provide joint lookup by name + // (within preview avi skeleton, for example) + // + typedef boost::function<LLJoint* (const std::string&,void*) > joint_lookup_func_t; + + // Func to load and associate material with all it's textures, + // returned value is the number of textures loaded + // intentionally non-const so func can modify material to + // store platform-specific data + // + typedef boost::function<U32 (LLImportMaterial&,void*) > texture_load_func_t; + + // Callback to inform client of state changes + // during loading process (errors will be reported + // as state changes here as well) + // + typedef boost::function<void (U32,void*) > state_callback_t; + + typedef enum + { + STARTING = 0, + READING_FILE, + CREATING_FACES, + GENERATING_VERTEX_BUFFERS, + GENERATING_LOD, + DONE, + ERROR_PARSING, //basically loading failed + ERROR_MATERIALS, + ERROR_PASSWORD_REQUIRED, + ERROR_NEED_MORE_MEMORY, + ERROR_INVALID_FILE, + ERROR_LOADER_SETUP, + ERROR_INVALID_PARAMETERS, + ERROR_OUT_OF_RANGE, + ERROR_FILE_VERSION_INVALID, + ERROR_MODEL // this error should always be last in this list, error code is passed as ERROR_MODEL+error_code + } eLoadState; + + U32 mState; + std::string mFilename; + + S32 mLod; + + LLMatrix4 mTransform; + BOOL mFirstTransform; + LLVector3 mExtents[2]; + + bool mTrySLM; + bool mCacheOnlyHitIfRigged; // ignore cached SLM if it does not contain rig info (and we want rig info) + + model_list mModelList; + scene mScene; + + typedef std::queue<LLPointer<LLModel> > model_queue; + + //queue of models that need a physics rep + model_queue mPhysicsQ; + + //map of avatar joints as named in COLLADA assets to internal joint names + JointMap mJointMap; + JointTransformMap& mJointList; + JointSet& mJointsFromNode; + + LLModelLoader( + std::string filename, + S32 lod, + LLModelLoader::load_callback_t load_cb, + LLModelLoader::joint_lookup_func_t joint_lookup_func, + LLModelLoader::texture_load_func_t texture_load_func, + LLModelLoader::state_callback_t state_cb, + void* opaque_userdata, + JointTransformMap& jointMap, + JointSet& jointsFromNodes); + virtual ~LLModelLoader() ; + + virtual void setNoNormalize() { mNoNormalize = true; } + virtual void setNoOptimize() { mNoOptimize = true; } + + virtual void run(); + + // Will try SLM or derived class OpenFile as appropriate + // + virtual bool doLoadModel(); + + // Derived classes need to provide their parsing of files here + // + virtual bool OpenFile(const std::string& filename) = 0; + + bool loadFromSLM(const std::string& filename); + + void loadModelCallback(); + void loadTextures() ; //called in the main thread. + void setLoadState(U32 state); + + + + S32 mNumOfFetchingTextures ; //updated in the main thread + bool areTexturesReady() { return !mNumOfFetchingTextures; } //called in the main thread. + + bool verifyCount( int expected, int result ); + + //Determines the viability of an asset to be used as an avatar rig (w or w/o joint upload caps) + void critiqueRigForUploadApplicability( const std::vector<std::string> &jointListFromAsset ); + void critiqueJointToNodeMappingFromScene( void ); + + //Determines if a rig is a legacy from the joint list + bool isRigLegacy( const std::vector<std::string> &jointListFromAsset ); + + //Determines if a rig is suitable for upload + bool isRigSuitableForJointPositionUpload( const std::vector<std::string> &jointListFromAsset ); + + void setRigWithSceneParity( bool state ) { mRigParityWithScene = state; } + const bool getRigWithSceneParity( void ) const { return mRigParityWithScene; } + + const bool isRigValidForJointPositionUpload( void ) const { return mRigValidJointUpload; } + void setRigValidForJointPositionUpload( bool rigValid ) { mRigValidJointUpload = rigValid; } + + const bool isLegacyRigValid( void ) const { return mLegacyRigValid; } + void setLegacyRigValid( bool rigValid ) { mLegacyRigValid = rigValid; } + + //----------------------------------------------------------------------------- + // isNodeAJoint() + //----------------------------------------------------------------------------- + bool isNodeAJoint(const char* name) + { + return mJointMap.find(name) != mJointMap.end(); + } + +protected: + + LLModelLoader::load_callback_t mLoadCallback; + LLModelLoader::joint_lookup_func_t mJointLookupFunc; + LLModelLoader::texture_load_func_t mTextureLoadFunc; + LLModelLoader::state_callback_t mStateCallback; + void* mOpaqueData; + + bool mRigParityWithScene; + bool mRigValidJointUpload; + bool mLegacyRigValid; + + bool mNoNormalize; + bool mNoOptimize; + + JointSet mMasterJointList; + JointSet mMasterLegacyJointList; + JointTransformMap mJointTransformMap; + + static std::list<LLModelLoader*> sActiveLoaderList; + static bool isAlive(LLModelLoader* loader) ; +}; +class LLMatrix4a; +void stretch_extents(LLModel* model, LLMatrix4a& mat, LLVector4a& min, LLVector4a& max, BOOL& first_transform); +void stretch_extents(LLModel* model, LLMatrix4& mat, LLVector3& min, LLVector3& max, BOOL& first_transform); + +#endif // LL_LLMODELLOADER_H |