Bulk of mesh. Excluded via #if MESH_ENABLED. LLModel still needs updated for strided vbos, Collada SDK needs to be wrangled, and misc pieces need to be found and brought over. Skipping inventory stuff until meshes are at least displayable.
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Shyotl
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indra/llprimitive/llmodel.h
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257
indra/llprimitive/llmodel.h
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/**
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* @file llmodel.h
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* @brief Model handling class definitions
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLMODEL_H
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#define LL_LLMODEL_H
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#include "llpointer.h"
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#include "llvolume.h"
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#include "v4math.h"
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#include "m4math.h"
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class daeElement;
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class domMesh;
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#define MAX_MODEL_FACES 8
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class LLMeshSkinInfo
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{
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public:
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LLUUID mMeshID;
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std::vector<std::string> mJointNames;
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std::vector<LLMatrix4> mInvBindMatrix;
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std::vector<LLMatrix4> mAlternateBindMatrix;
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std::map<std::string, U32> mJointMap;
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LLMeshSkinInfo() { }
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LLMeshSkinInfo(LLSD& data);
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void fromLLSD(LLSD& data);
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LLSD asLLSD(bool include_joints) const;
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LLMatrix4 mBindShapeMatrix;
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float mPelvisOffset;
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};
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class LLModel : public LLVolume
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{
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public:
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enum
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{
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LOD_IMPOSTOR = 0,
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LOD_LOW,
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LOD_MEDIUM,
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LOD_HIGH,
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LOD_PHYSICS,
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NUM_LODS
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};
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enum EModelStatus
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{
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NO_ERRORS = 0,
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VERTEX_NUMBER_OVERFLOW, //vertex number is >= 65535.
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BAD_ELEMENT,
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INVALID_STATUS
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} ;
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//convex_hull_decomposition is a vector of convex hulls
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//each convex hull is a set of points
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typedef std::vector<std::vector<LLVector3> > convex_hull_decomposition;
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typedef std::vector<LLVector3> hull;
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class PhysicsMesh
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{
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public:
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std::vector<LLVector3> mPositions;
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std::vector<LLVector3> mNormals;
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void clear()
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{
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mPositions.clear();
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mNormals.clear();
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}
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bool empty() const
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{
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return mPositions.empty();
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}
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};
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class Decomposition
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{
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public:
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Decomposition() { }
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Decomposition(LLSD& data);
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void fromLLSD(LLSD& data);
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LLSD asLLSD() const;
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bool hasHullList() const;
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void merge(const Decomposition* rhs);
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LLUUID mMeshID;
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LLModel::convex_hull_decomposition mHull;
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LLModel::hull mBaseHull;
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std::vector<LLModel::PhysicsMesh> mMesh;
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LLModel::PhysicsMesh mBaseHullMesh;
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LLModel::PhysicsMesh mPhysicsShapeMesh;
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};
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LLModel(LLVolumeParams& params, F32 detail);
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~LLModel();
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bool loadModel(std::istream& is);
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bool loadSkinInfo(LLSD& header, std::istream& is);
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bool loadDecomposition(LLSD& header, std::istream& is);
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static LLSD writeModel(
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std::ostream& ostr,
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LLModel* physics,
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LLModel* high,
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LLModel* medium,
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LLModel* low,
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LLModel* imposotr,
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const LLModel::Decomposition& decomp,
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BOOL upload_skin,
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BOOL upload_joints,
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BOOL nowrite = FALSE);
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static LLSD writeModelToStream(
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std::ostream& ostr,
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LLSD& mdl,
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BOOL nowrite = FALSE);
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static LLModel* loadModelFromDomMesh(domMesh* mesh);
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static std::string getElementLabel(daeElement* element);
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std::string getName() const;
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EModelStatus getStatus() const {return mStatus;}
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static std::string getStatusString(U32 status) ;
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void appendFaces(LLModel* model, LLMatrix4& transform, LLMatrix4& normal_transform);
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void appendFace(const LLVolumeFace& src_face, std::string src_material, LLMatrix4& mat, LLMatrix4& norm_mat);
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void setNumVolumeFaces(S32 count);
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void setVolumeFaceData(
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S32 f,
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LLStrider<LLVector3> pos,
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LLStrider<LLVector3> norm,
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LLStrider<LLVector2> tc,
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LLStrider<U16> ind,
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U32 num_verts,
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U32 num_indices);
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void generateNormals(F32 angle_cutoff);
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void addFace(const LLVolumeFace& face);
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void normalizeVolumeFaces();
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void optimizeVolumeFaces();
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void offsetMesh( const LLVector3& pivotPoint );
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void getNormalizedScaleTranslation(LLVector3& scale_out, LLVector3& translation_out);
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std::vector<std::string> mMaterialList;
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//data used for skin weights
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class JointWeight
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{
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public:
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S32 mJointIdx;
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F32 mWeight;
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JointWeight()
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{
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mJointIdx = 0;
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mWeight = 0.f;
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}
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JointWeight(S32 idx, F32 weight)
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: mJointIdx(idx), mWeight(weight)
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{
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}
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bool operator<(const JointWeight& rhs) const
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{
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if (mWeight == rhs.mWeight)
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{
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return mJointIdx < rhs.mJointIdx;
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}
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return mWeight < rhs.mWeight;
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}
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};
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struct CompareWeightGreater
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{
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bool operator()(const JointWeight& lhs, const JointWeight& rhs)
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{
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return rhs < lhs; // strongest = first
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}
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};
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//copy of position array for this model -- mPosition[idx].mV[X,Y,Z]
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std::vector<LLVector3> mPosition;
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//map of positions to skin weights --- mSkinWeights[pos].mV[0..4] == <joint_index>.<weight>
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//joint_index corresponds to mJointList
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typedef std::vector<JointWeight> weight_list;
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typedef std::map<LLVector3, weight_list > weight_map;
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weight_map mSkinWeights;
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//get list of weight influences closest to given position
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weight_list& getJointInfluences(const LLVector3& pos);
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LLMeshSkinInfo mSkinInfo;
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std::string mRequestedLabel; // name requested in UI, if any.
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std::string mLabel; // name computed from dae.
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LLVector3 mNormalizedScale;
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LLVector3 mNormalizedTranslation;
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float mPelvisOffset;
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// convex hull decomposition
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S32 mDecompID;
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void setConvexHullDecomposition(
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const convex_hull_decomposition& decomp);
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void updateHullCenters();
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LLVector3 mCenterOfHullCenters;
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std::vector<LLVector3> mHullCenter;
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U32 mHullPoints;
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//ID for storing this model in a .slm file
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S32 mLocalID;
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Decomposition mPhysics;
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EModelStatus mStatus ;
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protected:
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void addVolumeFacesFromDomMesh(domMesh* mesh);
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virtual BOOL createVolumeFacesFromDomMesh(domMesh *mesh);
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};
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#endif //LL_LLMODEL_H
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