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Diffstat (limited to 'indra/llprimitive/llmodel.h')
| -rw-r--r-- | indra/llprimitive/llmodel.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/indra/llprimitive/llmodel.h b/indra/llprimitive/llmodel.h new file mode 100644 index 0000000000..ff22d39e60 --- /dev/null +++ b/indra/llprimitive/llmodel.h @@ -0,0 +1,174 @@ +/** + * @file llmodel.h + * @brief Model handling class definitions + * + * $LicenseInfo:firstyear=2001&license=viewergpl$ + * + * Copyright (c) 2001-2007, Linden Research, Inc. + * + * Second Life Viewer Source Code + * 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. + * $/LicenseInfo$ + */ + +#ifndef LL_LLMODEL_H +#define LL_LLMODEL_H + +#include "llvolume.h" +#include "v4math.h" +#include "m4math.h" + +class daeElement; +class domMesh; + +#define MAX_MODEL_FACES 8 + +class LLModel : public LLVolume +{ +public: + + enum + { + LOD_IMPOSTOR = 0, + LOD_LOW, + LOD_MEDIUM, + LOD_HIGH, + LOD_PHYSICS, + NUM_LODS + }; + + //physics shape is a vector of convex hulls + //each convex hull is a set of points + typedef std::vector<std::vector<LLVector3> > physics_shape; + + LLModel(LLVolumeParams& params, F32 detail); + static LLSD writeModel(std::string filename, LLModel* physics, LLModel* high, LLModel* medium, LLModel* low, LLModel* imposotr, LLModel::physics_shape& physics_shape, BOOL nowrite = FALSE); + static LLSD writeModel(std::ostream& ostr, LLModel* physics, LLModel* high, LLModel* medium, LLModel* low, LLModel* imposotr, LLModel::physics_shape& physics_shape, BOOL nowrite = FALSE); + static LLSD writeModelToStream(std::ostream& ostr, LLSD& mdl, BOOL nowrite = FALSE); + static LLModel* loadModelFromAsset(std::string filename, S32 lod); + static LLModel* loadModelFromDae(std::string filename); + static LLModel* loadModelFromDomMesh(domMesh* mesh); + static std::string getElementLabel(daeElement* element); + + void appendFaces(LLModel* model, LLMatrix4& transform, LLMatrix4& normal_transform); + void appendFace(const LLVolumeFace& src_face, std::string src_material, LLMatrix4& mat, LLMatrix4& norm_mat); + + void setNumVolumeFaces(S32 count); + void setVolumeFaceData(S32 f, + LLStrider<LLVector3> pos, + LLStrider<LLVector3> norm, + LLStrider<LLVector2> tc, + LLStrider<U16> ind, + U32 num_verts, + U32 num_indices); + + void smoothNormals(F32 angle_cutoff); + + void addFace(const LLVolumeFace& face); + + void normalizeVolumeFaces(); + void optimizeVolumeFaces(); + + + U32 getResourceCost(); + void getNormalizedScaleTranslation(LLVector3& scale_out, LLVector3& translation_out); + std::vector<std::string> mMaterialList; + + //data used for skin weights + class JointWeight + { + public: + S32 mJointIdx; + F32 mWeight; + + JointWeight() + { + mJointIdx = 0; + mWeight = 0.f; + } + + JointWeight(S32 idx, F32 weight) + : mJointIdx(idx), mWeight(weight) + { + } + + bool operator<(const JointWeight& rhs) const + { + if (mWeight == rhs.mWeight) + { + return mJointIdx < rhs.mJointIdx; + } + + return mWeight < rhs.mWeight; + } + + }; + + struct CompareWeightGreater + { + bool operator()(const JointWeight& lhs, const JointWeight& rhs) + { + return rhs < lhs; // strongest = first + } + }; + + //copy of position array for this model -- mPosition[idx].mV[X,Y,Z] + std::vector<LLVector3> mPosition; + + //map of positions to skin weights --- mSkinWeights[pos].mV[0..4] == <joint_index>.<weight> + //joint_index corresponds to mJointList + typedef std::vector<JointWeight> weight_list; + typedef std::map<LLVector3, weight_list > weight_map; + weight_map mSkinWeights; + + //get list of weight influences closest to given position + weight_list& getJointInfluences(const LLVector3& pos); + + //should always be true that mJointList[mJointMap["foo"]] == "foo" + + //map of joint names to joint index + std::map<std::string, U32> mJointMap; + + //list of joint names + std::vector<std::string> mJointList; + + LLMatrix4 mBindShapeMatrix; + std::vector<LLMatrix4> mInvBindMatrix; + std::vector<LLMatrix4> mAlternateBindMatrix; + std::string mLabel; + + LLVector3 mNormalizedScale; + LLVector3 mNormalizedTranslation; + + //physics shape + physics_shape mPhysicsShape; + + LLVector3 mPhysicsCenter; + std::vector<LLVector3> mHullCenter; + U32 mPhysicsPoints; + +protected: + void addVolumeFacesFromDomMesh(domMesh* mesh); + virtual BOOL createVolumeFacesFromFile(const std::string& file_name); + virtual BOOL createVolumeFacesFromDomMesh(domMesh *mesh); +}; + +#endif //LL_LLMODEL_H |