diff options
author | sanine <sanine.not@pm.me> | 2022-03-04 10:47:15 -0600 |
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committer | sanine <sanine.not@pm.me> | 2022-03-04 10:47:15 -0600 |
commit | 058f98a63658dc1a2579826ba167fd61bed1e21f (patch) | |
tree | bcba07a1615a14d943f3af3f815a42f3be86b2f3 /src/mesh/assimp-master/code/AssetLib/SMD/SMDLoader.h | |
parent | 2f8028ac9e0812cb6f3cbb08f0f419e4e717bd22 (diff) |
add assimp submodule
Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/SMD/SMDLoader.h')
-rw-r--r-- | src/mesh/assimp-master/code/AssetLib/SMD/SMDLoader.h | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/SMD/SMDLoader.h b/src/mesh/assimp-master/code/AssetLib/SMD/SMDLoader.h new file mode 100644 index 0000000..db882a2 --- /dev/null +++ b/src/mesh/assimp-master/code/AssetLib/SMD/SMDLoader.h @@ -0,0 +1,395 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2022, assimp team + +All rights reserved. + +Redistribution and use of this software in source and binary forms, +with or without modification, are permitted provided that the +following conditions are met: + +* Redistributions of source code must retain the above + copyright notice, this list of conditions and the + following disclaimer. + +* Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the + following disclaimer in the documentation and/or other + materials provided with the distribution. + +* Neither the name of the assimp team, nor the names of its + contributors may be used to endorse or promote products + derived from this software without specific prior + written permission of the assimp team. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +---------------------------------------------------------------------- +*/ + +/** @file SMDLoader.h + * @brief Definition of the Valve SMD file format + */ + +#pragma once +#ifndef AI_SMDLOADER_H_INCLUDED +#define AI_SMDLOADER_H_INCLUDED + +#include <assimp/BaseImporter.h> +#include <assimp/ParsingUtils.h> +#include <assimp/types.h> +#include <assimp/texture.h> +#include <assimp/anim.h> +#include <assimp/material.h> + +#include <vector> + +struct aiNode; + +namespace Assimp { +namespace SMD { + +// --------------------------------------------------------------------------- +/** Data structure for a vertex in a SMD file +*/ +struct Vertex { + Vertex() AI_NO_EXCEPT : iParentNode(UINT_MAX) { + // empty + } + + //! Vertex position, normal and texture coordinate + aiVector3D pos,nor,uv; + + //! Vertex parent node + unsigned int iParentNode; + + //! Links to bones: pair.first is the bone index, + //! pair.second is the vertex weight. + //! WARN: The remaining weight (to reach 1.0f) is assigned + //! to the parent node/bone + std::vector<std::pair<unsigned int, float> > aiBoneLinks; +}; + +// --------------------------------------------------------------------------- +/** Data structure for a face in a SMD file +*/ +struct Face { + Face() AI_NO_EXCEPT : + iTexture(0x0), avVertices{} { + // empty + } + + //! Texture index for the face + unsigned int iTexture; + + //! The three vertices of the face + Vertex avVertices[3]; +}; + +// --------------------------------------------------------------------------- +/** Data structure for a bone in a SMD file +*/ +struct Bone { + //! Default constructor + Bone() AI_NO_EXCEPT : iParent(UINT_MAX), bIsUsed(false) { + // empty + } + + //! Name of the bone + std::string mName; + + //! Parent of the bone + uint32_t iParent; + + //! Animation of the bone + struct Animation { + //! Public default constructor + Animation() AI_NO_EXCEPT : iFirstTimeKey() { + asKeys.reserve(20); + } + + //! Data structure for a matrix key + struct MatrixKey { + //! Matrix at this time + aiMatrix4x4 matrix; + + //! Absolute transformation matrix + aiMatrix4x4 matrixAbsolute; + + //! Position + aiVector3D vPos; + + //! Rotation (euler angles) + aiVector3D vRot; + + //! Current time. may be negative, this + //! will be fixed later + double dTime; + }; + + //! Index of the key with the smallest time value + uint32_t iFirstTimeKey; + + //! Array of matrix keys + std::vector<MatrixKey> asKeys; + + } sAnim; + + //! Offset matrix of the bone + aiMatrix4x4 mOffsetMatrix; + + //! true if the bone is referenced by at least one mesh + bool bIsUsed; +}; + +} //! namespace SMD + +// --------------------------------------------------------------------------- +/** Used to load Half-life 1 and 2 SMD models +*/ +class ASSIMP_API SMDImporter : public BaseImporter { +public: + SMDImporter(); + ~SMDImporter() override; + + // ------------------------------------------------------------------- + /** Returns whether the class can handle the format of the given file. + * See BaseImporter::CanRead() for details. + */ + bool CanRead( const std::string& pFile, IOSystem* pIOHandler, + bool checkSig) const override; + + // ------------------------------------------------------------------- + /** Called prior to ReadFile(). + * The function is a request to the importer to update its configuration + * basing on the Importer's configuration property list. + */ + void SetupProperties(const Importer* pImp) override; + +protected: + // ------------------------------------------------------------------- + /** Return importer meta information. + * See #BaseImporter::GetInfo for the details + */ + const aiImporterDesc* GetInfo () const override; + + // ------------------------------------------------------------------- + /** Imports the given file into the given scene structure. + * See BaseImporter::InternReadFile() for details + */ + void InternReadFile( const std::string& pFile, aiScene* pScene, + IOSystem* pIOHandler) override; + + // ------------------------------------------------------------------- + /** Parse the SMD file and create the output scene + */ + void ParseFile(); + void ReadSmd(const std::string &pFile, IOSystem* pIOHandler); + + // ------------------------------------------------------------------- + /** Parse the triangles section of the SMD file + * \param szCurrent Current position in the file. Points to the first + * data line of the section. + * \param szCurrentOut Receives a pointer to the heading line of + * the next section (or to EOF) + */ + void ParseTrianglesSection(const char* szCurrent, + const char** szCurrentOut); + + // ------------------------------------------------------------------- + /** Parse the vertex animation section in VTA files + * \param szCurrent Current position in the file. Points to the first + * data line of the section. + * \param szCurrentOut Receives a pointer to the heading line of + * the next section (or to EOF) + */ + void ParseVASection(const char* szCurrent, + const char** szCurrentOut); + + // ------------------------------------------------------------------- + /** Parse the nodes section of the SMD file + * \param szCurrent Current position in the file. Points to the first + * data line of the section. + * \param szCurrentOut Receives a pointer to the heading line of + * the next section (or to EOF) + */ + void ParseNodesSection(const char* szCurrent, + const char** szCurrentOut); + + // ------------------------------------------------------------------- + /** Parse the skeleton section of the SMD file + * \param szCurrent Current position in the file. Points to the first + * data line of the section. + * \param szCurrentOut Receives a pointer to the heading line of + * the next section (or to EOF) + */ + void ParseSkeletonSection(const char* szCurrent, + const char** szCurrentOut); + + // ------------------------------------------------------------------- + /** Parse a single triangle in the SMD file + * \param szCurrent Current position in the file. Points to the first + * data line of the section. + * \param szCurrentOut Receives the output cursor position + */ + void ParseTriangle(const char* szCurrent, + const char** szCurrentOut); + + + // ------------------------------------------------------------------- + /** Parse a single vertex in the SMD file + * \param szCurrent Current position in the file. Points to the first + * data line of the section. + * \param szCurrentOut Receives the output cursor position + * \param vertex Vertex to be filled + */ + void ParseVertex(const char* szCurrent, + const char** szCurrentOut, SMD::Vertex& vertex, + bool bVASection = false); + + // ------------------------------------------------------------------- + /** Get the index of a texture. If the texture was not yet known + * it will be added to the internal texture list. + * \param filename Name of the texture + * \return Value texture index + */ + unsigned int GetTextureIndex(const std::string& filename); + + // ------------------------------------------------------------------- + /** Parse a line in the skeleton section + */ + void ParseSkeletonElement(const char* szCurrent, + const char** szCurrentOut,int iTime); + + // ------------------------------------------------------------------- + /** Parse a line in the nodes section + */ + void ParseNodeInfo(const char* szCurrent, + const char** szCurrentOut); + + + // ------------------------------------------------------------------- + /** Parse a floating-point value + */ + bool ParseFloat(const char* szCurrent, + const char** szCurrentOut, float& out); + + // ------------------------------------------------------------------- + /** Parse an unsigned integer. There may be no sign! + */ + bool ParseUnsignedInt(const char* szCurrent, + const char** szCurrentOut, unsigned int& out); + + // ------------------------------------------------------------------- + /** Parse a signed integer. Signs (+,-) are handled. + */ + bool ParseSignedInt(const char* szCurrent, + const char** szCurrentOut, int& out); + + // ------------------------------------------------------------------- + /** Fix invalid time values in the file + */ + void FixTimeValues(); + + // ------------------------------------------------------------------- + /** Add all children of a bone as subnodes to a node + * \param pcNode Parent node + * \param iParent Parent bone index + */ + void AddBoneChildren(aiNode* pcNode, uint32_t iParent); + + // ------------------------------------------------------------------- + /** Build output meshes/materials/nodes/animations + */ + void CreateOutputMeshes(); + void CreateOutputNodes(); + void CreateOutputAnimations(const std::string &pFile, IOSystem* pIOHandler); + void CreateOutputAnimation(int index, const std::string &name); + void GetAnimationFileList(const std::string &pFile, IOSystem* pIOHandler, std::vector<std::tuple<std::string, std::string>>& outList); + void CreateOutputMaterials(); + + + // ------------------------------------------------------------------- + /** Print a log message together with the current line number + */ + void LogErrorNoThrow(const char* msg); + void LogWarning(const char* msg); + + + // ------------------------------------------------------------------- + inline bool SkipLine( const char* in, const char** out) + { + Assimp::SkipLine(in,out); + ++iLineNumber; + return true; + } + // ------------------------------------------------------------------- + inline bool SkipSpacesAndLineEnd( const char* in, const char** out) + { + ++iLineNumber; + return Assimp::SkipSpacesAndLineEnd(in,out); + } + +private: + + /** Configuration option: frame to be loaded */ + unsigned int configFrameID; + + /** Buffer to hold the loaded file */ + std::vector<char> mBuffer; + + /** Output scene to be filled + */ + aiScene* pScene; + + /** Size of the input file in bytes + */ + unsigned int iFileSize; + + /** Array of textures found in the file + */ + std::vector<std::string> aszTextures; + + /** Array of triangles found in the file + */ + std::vector<SMD::Face> asTriangles; + + /** Array of bones found in the file + */ + std::vector<SMD::Bone> asBones; + + /** Smallest frame index found in the skeleton + */ + int iSmallestFrame; + + /** Length of the whole animation, in frames + */ + double dLengthOfAnim; + + /** Do we have texture coordinates? + */ + bool bHasUVs; + + /** Current line number + */ + unsigned int iLineNumber; + + bool bLoadAnimationList = true; + bool noSkeletonMesh = false; +}; + +} // end of namespace Assimp + +#endif // AI_SMDIMPORTER_H_INC |