From 38d6d37f2d982fa959e9e8a4a3f7e1ccfad7b5d4 Mon Sep 17 00:00:00 2001 From: Jacek Antonelli Date: Fri, 15 Aug 2008 23:44:46 -0500 Subject: Second Life viewer sources 1.13.2.12 --- linden/indra/newview/llpolymesh.h | 431 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 431 insertions(+) create mode 100644 linden/indra/newview/llpolymesh.h (limited to 'linden/indra/newview/llpolymesh.h') diff --git a/linden/indra/newview/llpolymesh.h b/linden/indra/newview/llpolymesh.h new file mode 100644 index 0000000..851a9bc --- /dev/null +++ b/linden/indra/newview/llpolymesh.h @@ -0,0 +1,431 @@ +/** + * @file llpolymesh.h + * @brief Implementation of LLPolyMesh class + * + * Copyright (c) 2001-2007, Linden Research, Inc. + * + * The source code in this file ("Source Code") is provided by Linden Lab + * to you under the terms of the GNU General Public License, version 2.0 + * ("GPL"), unless you have obtained a separate licensing agreement + * ("Other License"), formally executed by you and Linden Lab. Terms of + * the GPL can be found in doc/GPL-license.txt in this distribution, or + * online at http://secondlife.com/developers/opensource/gplv2 + * + * There are special exceptions to the terms and conditions of the GPL as + * it is applied to this Source Code. View the full text of the exception + * in the file doc/FLOSS-exception.txt in this software distribution, or + * online at http://secondlife.com/developers/opensource/flossexception + * + * By copying, modifying or distributing this software, you acknowledge + * that you have read and understood your obligations described above, + * and agree to abide by those obligations. + * + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + */ + +#ifndef LL_LLPOLYMESH_H +#define LL_LLPOLYMESH_H + +#include +#include +#include "llstl.h" + +#include "v3math.h" +#include "v2math.h" +#include "llquaternion.h" +#include "llskipmap.h" +#include "llassoclist.h" +#include "llpolymorph.h" +#include "llptrskipmap.h" +#include "lljoint.h" +//#include "lldarray.h" + +class LLSkinJoint; +class LLVOAvatar; + +//#define USE_STRIPS // Use tri-strips for rendering. + +//----------------------------------------------------------------------------- +// LLPolyFace +// A set of 4 vertex indices. +// An LLPolyFace can represent either a triangle or quad. +// If the last index is -1, it's a triangle. +//----------------------------------------------------------------------------- +typedef S32 LLPolyFace[3]; + +//struct PrimitiveGroup; + +//----------------------------------------------------------------------------- +// LLPolyMesh +// A polyhedra consisting of any number of triangles and quads. +// All instances contain a set of faces, and optionally may include +// faces grouped into named face sets. +//----------------------------------------------------------------------------- +class LLPolyMorphTarget; + +class LLPolyMeshSharedData +{ + friend class LLPolyMesh; +private: + // transform data + LLVector3 mPosition; + LLQuaternion mRotation; + LLVector3 mScale; + + // vertex data + S32 mNumVertices; + LLVector3 *mBaseCoords; + LLVector3 *mBaseNormals; + LLVector3 *mBaseBinormals; + LLVector2 *mTexCoords; + LLVector2 *mDetailTexCoords; + F32 *mWeights; + + BOOL mHasWeights; + BOOL mHasDetailTexCoords; + + // face data + S32 mNumFaces; + LLPolyFace *mFaces; + + // face set data + U32 mNumJointNames; + std::string* mJointNames; + + // morph targets + typedef LLLinkedList LLPolyMorphDataList; + LLPolyMorphDataList mMorphData; + + std::map mSharedVerts; + + LLPolyMeshSharedData* mReferenceData; + S32 mLastIndexOffset; + +public: + // Temporarily... + // Triangle indices + U32 mNumTriangleIndices; + U32 *mTriangleIndices; + +private: + LLPolyMeshSharedData(); + + ~LLPolyMeshSharedData(); + + void setupLOD(LLPolyMeshSharedData* reference_data); + + // Frees all mesh memory resources + void freeMeshData(); + + void setPosition( const LLVector3 &pos ) { mPosition = pos; } + void setRotation( const LLQuaternion &rot ) { mRotation = rot; } + void setScale( const LLVector3 &scale ) { mScale = scale; } + + BOOL allocateVertexData( U32 numVertices ); + + BOOL allocateFaceData( U32 numFaces ); + + BOOL allocateJointNames( U32 numJointNames ); + + // Retrieve the number of KB of memory used by this instance + U32 getNumKB(); + + // Load mesh data from file + BOOL loadMesh( const char *fileName ); + +public: + void genIndices(S32 offset); + + const LLVector2 &getUVs(U32 index); + + const S32 *getSharedVert(S32 vert); + + BOOL isLOD() { return (mReferenceData != NULL); } +}; + + +class LLJointRenderData +{ +public: + LLJointRenderData(const LLMatrix4* world_matrix, LLSkinJoint* skin_joint) : mWorldMatrix(world_matrix), mSkinJoint(skin_joint){} + ~LLJointRenderData(){} + + const LLMatrix4* mWorldMatrix; + LLSkinJoint* mSkinJoint; +}; + + +class LLPolyMesh +{ +public: + + // Constructor + LLPolyMesh(LLPolyMeshSharedData *shared_data, LLPolyMesh *reference_mesh); + + // Destructor + ~LLPolyMesh(); + + // Requests a mesh by name. + // If the mesh already exists in the global mesh table, it is returned, + // otherwise it is loaded from file, added to the table, and returned. + static LLPolyMesh *getMesh( const LLString &name, LLPolyMesh* reference_mesh = NULL); + + // Frees all loaded meshes. + // This should only be called once you know there are no outstanding + // references to these objects. Generally, upon exit of the application. + static void freeAllMeshes(); + + //-------------------------------------------------------------------- + // Transform Data Access + //-------------------------------------------------------------------- + // Get position + const LLVector3 &getPosition() { + llassert (mSharedData); + return mSharedData->mPosition; + } + + // Get rotation + const LLQuaternion &getRotation() { + llassert (mSharedData); + return mSharedData->mRotation; + } + + // Get scale + const LLVector3 &getScale() { + llassert (mSharedData); + return mSharedData->mScale; + } + + //-------------------------------------------------------------------- + // Vertex Data Access + //-------------------------------------------------------------------- + // Get number of vertices + U32 getNumVertices() { + llassert (mSharedData); + return mSharedData->mNumVertices; + } + + // Returns whether or not the mesh has detail texture coords + BOOL hasDetailTexCoords() { + llassert (mSharedData); + return mSharedData->mHasDetailTexCoords; + } + + // Returns whether or not the mesh has vertex weights + BOOL hasWeights() const{ + llassert (mSharedData); + return mSharedData->mHasWeights; + } + + // Get coords + const LLVector3 *getCoords() const; + + // non const version + LLVector3 *getWritableCoords(); + + // Get normals + const LLVector3 *getNormals() const{ + return mNormals; + } + + // Get normals + const LLVector3 *getBinormals() const{ + return mBinormals; + } + + // Get base mesh normals + const LLVector3 *getBaseNormals() const{ + llassert(mSharedData); + return mSharedData->mBaseNormals; + } + + // Get base mesh normals + const LLVector3 *getBaseBinormals() const{ + llassert(mSharedData); + return mSharedData->mBaseBinormals; + } + + // intermediate morphed normals and output normals + LLVector3 *getWritableNormals(); + LLVector3 *getScaledNormals(); + + LLVector3 *getWritableBinormals(); + LLVector3 *getScaledBinormals(); + + // Get texCoords + const LLVector2 *getTexCoords() const { + return mTexCoords; + } + + // non const version + LLVector2 *getWritableTexCoords(); + + // Get detailTexCoords + const LLVector2 *getDetailTexCoords() const { + llassert (mSharedData); + return mSharedData->mDetailTexCoords; + } + + // Get weights + const F32 *getWeights() const; + + F32 *getWritableWeights() const; + + LLVector4 *getWritableClothingWeights(); + + const LLVector4 *getClothingWeights() + { + return mClothingWeights; + } + + //-------------------------------------------------------------------- + // Face Data Access + //-------------------------------------------------------------------- + // Get number of faces + S32 getNumFaces() { + llassert (mSharedData); + return mSharedData->mNumFaces; + } + + // Get faces + LLPolyFace *getFaces() { + llassert (mSharedData); + return mSharedData->mFaces; + } + + U32 getNumJointNames() { + llassert (mSharedData); + return mSharedData->mNumJointNames; + } + + std::string *getJointNames() { + llassert (mSharedData); + return mSharedData->mJointNames; + } + + LLPolyMorphData* getMorphData(const char *morph_name); + void removeMorphData(LLPolyMorphData *morph_target); + void deleteAllMorphData(); + + LLPolyMeshSharedData *getSharedData() const; + LLPolyMesh *getReferenceMesh() { return mReferenceMesh ? mReferenceMesh : this; } + + // Get indices + U32* getIndices() { return mSharedData ? mSharedData->mTriangleIndices : NULL; } + + BOOL isLOD() { return mSharedData && mSharedData->isLOD(); } + + void setAvatar(LLVOAvatar* avatarp) { mAvatarp = avatarp; } + LLVOAvatar* getAvatar() { return mAvatarp; } + + LLDynamicArray mJointRenderData; + + U32 mFaceVertexOffset; + U32 mFaceVertexCount; + U32 mFaceIndexCount; + U32 mCurVertexCount; +private: + void initializeForMorph(); + + // Dumps diagnostic information about the global mesh table + static void dumpDiagInfo(); + +protected: + // mesh data shared across all instances of a given mesh + LLPolyMeshSharedData *mSharedData; + // Single array of floats for allocation / deletion + F32 *mVertexData; + // deformed vertices (resulting from application of morph targets) + LLVector3 *mCoords; + // deformed normals (resulting from application of morph targets) + LLVector3 *mScaledNormals; + // output normals (after normalization) + LLVector3 *mNormals; + // deformed binormals (resulting from application of morph targets) + LLVector3 *mScaledBinormals; + // output binormals (after normalization) + LLVector3 *mBinormals; + // weight values that mark verts as clothing/skin + LLVector4 *mClothingWeights; + // output texture coordinates + LLVector2 *mTexCoords; + + LLPolyMesh *mReferenceMesh; + + // global mesh list + typedef LLAssocList LLPolyMeshSharedDataTable; + static LLPolyMeshSharedDataTable sGlobalSharedMeshList; + + LLVOAvatar* mAvatarp; +}; + +//----------------------------------------------------------------------------- +// LLPolySkeletalDeformationInfo +// Shared information for LLPolySkeletalDeformations +//----------------------------------------------------------------------------- +struct LLPolySkeletalBoneInfo +{ + LLPolySkeletalBoneInfo(LLString &name, LLVector3 &scale, LLVector3 &pos, BOOL haspos) + : mBoneName(name), + mScaleDeformation(scale), + mPositionDeformation(pos), + mHasPositionDeformation(haspos) {} + LLString mBoneName; + LLVector3 mScaleDeformation; + LLVector3 mPositionDeformation; + BOOL mHasPositionDeformation; +}; + +class LLPolySkeletalDistortionInfo : public LLViewerVisualParamInfo +{ + friend class LLPolySkeletalDistortion; +public: + LLPolySkeletalDistortionInfo(); + /*virtual*/ ~LLPolySkeletalDistortionInfo() {}; + + /*virtual*/ BOOL parseXml(LLXmlTreeNode* node); + +protected: + typedef std::vector bone_info_list_t; + bone_info_list_t mBoneInfoList; +}; + +//----------------------------------------------------------------------------- +// LLPolySkeletalDeformation +// A set of joint scale data for deforming the avatar mesh +//----------------------------------------------------------------------------- +class LLPolySkeletalDistortion : public LLViewerVisualParam +{ +public: + LLPolySkeletalDistortion(LLVOAvatar *avatarp); + ~LLPolySkeletalDistortion(); + + // Special: These functions are overridden by child classes + LLPolySkeletalDistortionInfo* getInfo() const { return (LLPolySkeletalDistortionInfo*)mInfo; } + // This sets mInfo and calls initialization functions + BOOL setInfo(LLPolySkeletalDistortionInfo *info); + + // LLVisualParam Virtual functions + ///*virtual*/ BOOL parseData(LLXmlTreeNode* node); + /*virtual*/ void apply( ESex sex ); + + // LLViewerVisualParam Virtual functions + /*virtual*/ F32 getTotalDistortion() { return 0.1f; } + /*virtual*/ const LLVector3& getAvgDistortion() { return mDefaultVec; } + /*virtual*/ F32 getMaxDistortion() { return 0.1f; } + /*virtual*/ LLVector3 getVertexDistortion(S32 index, LLPolyMesh *poly_mesh){return LLVector3(0.001f, 0.001f, 0.001f);} + /*virtual*/ const LLVector3* getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh){index = 0; poly_mesh = NULL; return &mDefaultVec;}; + /*virtual*/ const LLVector3* getNextDistortion(U32 *index, LLPolyMesh **poly_mesh){index = 0; poly_mesh = NULL; return NULL;}; + +protected: + typedef std::map joint_vec_map_t; + joint_vec_map_t mJointScales; + joint_vec_map_t mJointOffsets; + LLVector3 mDefaultVec; + LLVOAvatar* mAvatar; +}; + +#endif // LL_LLPOLYMESH_H + -- cgit v1.1