Merge from viewer release

1 files changed, 212 insertions, 0 deletions

diff --git a/indra/llprimitive/llmodelloader.h b/indra/llprimitive/llmodelloader.h
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+++ b/indra/llprimitive/llmodelloader.h
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+/**
+ * @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