diff options
Diffstat (limited to 'indra/newview/gltf/llgltfloader.h')
| -rw-r--r-- | indra/newview/gltf/llgltfloader.h | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/indra/newview/gltf/llgltfloader.h b/indra/newview/gltf/llgltfloader.h deleted file mode 100644 index 048f7df7f5..0000000000 --- a/indra/newview/gltf/llgltfloader.h +++ /dev/null @@ -1,203 +0,0 @@ -/** - * @file LLGLTFLoader.h - * @brief LLGLTFLoader class definition - * - * $LicenseInfo:firstyear=2022&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2022, 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_LLGLTFLoader_H -#define LL_LLGLTFLoader_H - -#include "tinygltf/tiny_gltf.h" - -#include "asset.h" - -#include "llglheaders.h" -#include "lljointdata.h" -#include "llmodelloader.h" - -class LLGLTFLoader : public LLModelLoader -{ - public: - typedef std::map<std::string, LLImportMaterial> material_map; - typedef std::map<std::string, std::string> joint_viewer_parent_map_t; - typedef std::map<std::string, glm::mat4> joint_viewer_rest_map_t; - typedef std::map<S32, glm::mat4> joint_node_mat4_map_t; - - struct JointNodeData - { - JointNodeData() - : mJointListIdx(-1) - , mNodeIdx(-1) - , mParentNodeIdx(-1) - , mIsValidViewerJoint(false) - , mIsParentValidViewerJoint(false) - , mIsOverrideValid(false) - { - - } - S32 mJointListIdx; - S32 mNodeIdx; - S32 mParentNodeIdx; - glm::mat4 mGltfRestMatrix; - glm::mat4 mViewerRestMatrix; - glm::mat4 mOverrideRestMatrix; - glm::mat4 mGltfMatrix; - glm::mat4 mOverrideMatrix; - std::string mName; - bool mIsValidViewerJoint; - bool mIsParentValidViewerJoint; - bool mIsOverrideValid; - }; - typedef std::map <S32, JointNodeData> joints_data_map_t; - typedef std::map <std::string, S32> joints_name_to_node_map_t; - - LLGLTFLoader(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 & jointTransformMap, - JointNameSet & jointsFromNodes, - std::map<std::string, std::string> &jointAliasMap, - U32 maxJointsPerMesh, - U32 modelLimit, - std::vector<LLJointData> viewer_skeleton); //, - //bool preprocess ); - virtual ~LLGLTFLoader(); - - virtual bool OpenFile(const std::string &filename); - - struct GLTFVertex - { - glm::vec3 position; - glm::vec3 normal; - glm::vec2 uv0; - glm::u16vec4 joints; - glm::vec4 weights; - }; - -protected: - LL::GLTF::Asset mGLTFAsset; - tinygltf::Model mGltfModel; - bool mGltfLoaded; - bool mApplyXYRotation = false; - U32 mGeneratedModelLimit; - - // GLTF isn't aware of viewer's skeleton and uses it's own, - // so need to take viewer's joints and use them to - // recalculate iverse bind matrices - std::vector<LLJointData> mViewerJointData; - - // vector of vectors because of a posibility of having more than one skin - typedef std::vector<LLMeshSkinInfo::matrix_list_t> bind_matrices_t; - typedef std::vector<std::vector<std::string> > joint_names_t; - bind_matrices_t mInverseBindMatrices; - bind_matrices_t mAlternateBindMatrices; - joint_names_t mJointNames; // empty string when no legal name for a given idx - - // what group a joint belongs to. - // For purpose of stripping unused groups when joints are over limit. - struct JointGroups - { - std::string mGroup; - std::string mParentGroup; - }; - typedef std::map<std::string, JointGroups> joint_to_group_map_t; - joint_to_group_map_t mJointGroups; - - // per skin joint count, needs to be tracked for the sake of limits check. - std::vector<S32> mValidJointsCount; - -private: - bool parseMeshes(); - void computeCombinedNodeTransform(const LL::GLTF::Asset& asset, S32 node_index, glm::mat4& combined_transform) const; - void processNodeHierarchy(S32 node_idx, std::map<std::string, S32>& mesh_name_counts, U32 submodel_limit, const LLVolumeParams& volume_params); - bool addJointToModelSkin(LLMeshSkinInfo& skin_info, S32 gltf_skin_idx, size_t gltf_joint_idx) const; - bool populateModelFromMesh(LLModel* pModel, const LL::GLTF::Mesh &mesh, const LL::GLTF::Node &node, material_map& mats, S32 instance_count); - void populateJointsFromSkin(S32 skin_idx); - void populateJointGroups(); - void addModelToScene(LLModel* pModel, U32 submodel_limit, const LLMatrix4& transformation, const LLVolumeParams& volume_params, const material_map& mats); - S32 findClosestValidJoint(S32 source_joint, const LL::GLTF::Skin& gltf_skin) const; - S32 findValidRootJointNode(S32 source_joint_node, const LL::GLTF::Skin& gltf_skin) const; - S32 findGLTFRootJointNode(const LL::GLTF::Skin& gltf_skin) const; // if there are multiple roots, gltf stores them under one commor joint - S32 findParentNode(S32 node) const; - void buildJointGroup(LLJointData& viewer_data, const std::string& parent_group); - void buildOverrideMatrix(LLJointData& data, joints_data_map_t &gltf_nodes, joints_name_to_node_map_t &names_to_nodes, glm::mat4& parent_rest, glm::mat4& support_rest) const; - glm::mat4 buildGltfRestMatrix(S32 joint_node_index, const LL::GLTF::Skin& gltf_skin) const; - glm::mat4 buildGltfRestMatrix(S32 joint_node_index, const joints_data_map_t& joint_data) const; - glm::mat4 computeGltfToViewerSkeletonTransform(const joints_data_map_t& joints_data_map, S32 gltf_node_index, const std::string& joint_name) const; - bool checkForXYrotation(const LL::GLTF::Skin& gltf_skin, S32 joint_idx, S32 bind_indx); - void checkForXYrotation(const LL::GLTF::Skin& gltf_skin); - - std::string extractTextureToTempFile(S32 textureIndex, const std::string& texture_type); - - void notifyUnsupportedExtension(bool unsupported); - - // bool mPreprocessGLTF; - - /* Below inherited from dae loader - unknown if/how useful here - - void processElement(gltfElement *element, bool &badElement, GLTF *gltf); - void processGltfModel(LLModel *model, GLTF *gltf, gltfElement *pRoot, gltfMesh *mesh, gltfSkin *skin); - - material_map getMaterials(LLModel *model, gltfInstance_geometry *instance_geo, GLTF *gltf); - LLImportMaterial profileToMaterial(gltfProfile_COMMON *material, GLTF *gltf); - LLColor4 getGltfColor(gltfElement *element); - - gltfElement *getChildFromElement(gltfElement *pElement, std::string const &name); - - bool isNodeAJoint(gltfNode *pNode); - void processJointNode(gltfNode *pNode, std::map<std::string, LLMatrix4> &jointTransforms); - void extractTranslation(gltfTranslate *pTranslate, LLMatrix4 &transform); - void extractTranslationViaElement(gltfElement *pTranslateElement, LLMatrix4 &transform); - void extractTranslationViaSID(gltfElement *pElement, LLMatrix4 &transform); - void buildJointToNodeMappingFromScene(gltfElement *pRoot); - void processJointToNodeMapping(gltfNode *pNode); - void processChildJoints(gltfNode *pParentNode); - - bool verifyCount(int expected, int result); - - // Verify that a controller matches vertex counts - bool verifyController(gltfController *pController); - - static bool addVolumeFacesFromGltfMesh(LLModel *model, gltfMesh *mesh, LLSD &log_msg); - static bool createVolumeFacesFromGltfMesh(LLModel *model, gltfMesh *mesh); - - static LLModel *loadModelFromGltfMesh(gltfMesh *mesh); - - // Loads a mesh breaking it into one or more models as necessary - // to get around volume face limitations while retaining >8 materials - // - bool loadModelsFromGltfMesh(gltfMesh *mesh, std::vector<LLModel *> &models_out, U32 submodel_limit); - - static std::string getElementLabel(gltfElement *element); - static size_t getSuffixPosition(std::string label); - static std::string getLodlessLabel(gltfElement *element); - - static std::string preprocessGLTF(std::string filename); - */ - -}; -#endif // LL_LLGLTFLLOADER_H |