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Diffstat (limited to 'libs/assimp/code/AssetLib/LWS/LWSLoader.h')
| -rw-r--r-- | libs/assimp/code/AssetLib/LWS/LWSLoader.h | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/libs/assimp/code/AssetLib/LWS/LWSLoader.h b/libs/assimp/code/AssetLib/LWS/LWSLoader.h new file mode 100644 index 0000000..225186f --- /dev/null +++ b/libs/assimp/code/AssetLib/LWS/LWSLoader.h @@ -0,0 +1,237 @@ +/* +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 LWSLoader.h + * @brief Declaration of the LightWave scene importer class. + */ +#pragma once +#ifndef AI_LWSLOADER_H_INCLUDED +#define AI_LWSLOADER_H_INCLUDED + +#include "AssetLib/LWO/LWOFileData.h" + +#include <assimp/BaseImporter.h> +#include <assimp/SceneCombiner.h> + +struct aiImporterDesc; + +namespace Assimp { + +class BatchLoader; +class Importer; +class IOSystem; + +namespace LWS { + +// --------------------------------------------------------------------------- +/** Represents an element in a LWS file. + * + * This can either be a single data line - <name> <value> or a data + * group - { name <data_line0> ... n } + */ +class Element { +public: + Element() {} + + // first: name, second: rest + std::string tokens[2]; + std::list<Element> children; + + //! Recursive parsing function + void Parse(const char *&buffer); +}; + +#define AI_LWS_MASK (0xffffffff >> 4u) + +// --------------------------------------------------------------------------- +/** Represents a LWS scenegraph element + */ +struct NodeDesc { + NodeDesc() : + type(), + id(), + number(0), + parent(0), + name(), + isPivotSet(false), + lightColor(1.f, 1.f, 1.f), + lightIntensity(1.f), + lightType(0), + lightFalloffType(0), + lightConeAngle(45.f), + lightEdgeAngle(), + parent_resolved(nullptr) {} + + enum { + + OBJECT = 1, + LIGHT = 2, + CAMERA = 3, + BONE = 4 + } type; // type of node + + // if object: path + std::string path; + unsigned int id; + + // number of object + unsigned int number; + + // index of parent index + unsigned int parent; + + // lights & cameras & dummies: name + const char *name; + + // animation channels + std::list<LWO::Envelope> channels; + + // position of pivot point + aiVector3D pivotPos; + bool isPivotSet; + + // color of light source + aiColor3D lightColor; + + // intensity of light source + float lightIntensity; + + // type of light source + unsigned int lightType; + + // falloff type of light source + unsigned int lightFalloffType; + + // cone angle of (spot) light source + float lightConeAngle; + + // soft cone angle of (spot) light source + float lightEdgeAngle; + + // list of resolved children + std::list<NodeDesc *> children; + + // resolved parent node + NodeDesc *parent_resolved; + + // for std::find() + bool operator==(unsigned int num) const { + if (!num) + return false; + unsigned int _type = num >> 28u; + + return _type == static_cast<unsigned int>(type) && (num & AI_LWS_MASK) == number; + } +}; + +} // end namespace LWS + +// --------------------------------------------------------------------------- +/** LWS (LightWave Scene Format) importer class. + * + * This class does heavily depend on the LWO importer class. LWS files + * contain mainly descriptions how LWO objects are composed together + * in a scene. +*/ +class LWSImporter : public BaseImporter { +public: + LWSImporter(); + ~LWSImporter() override; + + // ------------------------------------------------------------------- + // Check whether we can read a specific file + bool CanRead(const std::string &pFile, IOSystem *pIOHandler, + bool checkSig) const override; + +protected: + // ------------------------------------------------------------------- + // Get list of supported extensions + const aiImporterDesc *GetInfo() const override; + + // ------------------------------------------------------------------- + // Import file into given scene data structure + void InternReadFile(const std::string &pFile, aiScene *pScene, + IOSystem *pIOHandler) override; + + // ------------------------------------------------------------------- + // Setup import properties + void SetupProperties(const Importer *pImp) override; + +private: + // ------------------------------------------------------------------- + // Read an envelope description + void ReadEnvelope(const LWS::Element &dad, LWO::Envelope &out); + + // ------------------------------------------------------------------- + // Read an envelope description for the older LW file format + void ReadEnvelope_Old(std::list<LWS::Element>::const_iterator &it, + const std::list<LWS::Element>::const_iterator &end, + LWS::NodeDesc &nodes, + unsigned int version); + + // ------------------------------------------------------------------- + // Setup a nice name for a node + void SetupNodeName(aiNode *nd, LWS::NodeDesc &src); + + // ------------------------------------------------------------------- + // Recursively build the scenegraph + void BuildGraph(aiNode *nd, + LWS::NodeDesc &src, + std::vector<AttachmentInfo> &attach, + BatchLoader &batch, + aiCamera **&camOut, + aiLight **&lightOut, + std::vector<aiNodeAnim *> &animOut); + + // ------------------------------------------------------------------- + // Try several dirs until we find the right location of a LWS file. + std::string FindLWOFile(const std::string &in); + +private: + bool configSpeedFlag; + IOSystem *io; + double first, last, fps; + bool noSkeletonMesh; +}; + +} // end of namespace Assimp + +#endif // AI_LWSIMPORTER_H_INC |