vrshoot
diff libs/assimp/LWSLoader.h @ 0:b2f14e535253
initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
---|---|
date | Sat, 01 Feb 2014 19:58:19 +0200 |
parents | |
children |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/assimp/LWSLoader.h Sat Feb 01 19:58:19 2014 +0200 1.3 @@ -0,0 +1,242 @@ 1.4 +/* 1.5 +Open Asset Import Library (assimp) 1.6 +---------------------------------------------------------------------- 1.7 + 1.8 +Copyright (c) 2006-2012, assimp team 1.9 +All rights reserved. 1.10 + 1.11 +Redistribution and use of this software in source and binary forms, 1.12 +with or without modification, are permitted provided that the 1.13 +following conditions are met: 1.14 + 1.15 +* Redistributions of source code must retain the above 1.16 + copyright notice, this list of conditions and the 1.17 + following disclaimer. 1.18 + 1.19 +* Redistributions in binary form must reproduce the above 1.20 + copyright notice, this list of conditions and the 1.21 + following disclaimer in the documentation and/or other 1.22 + materials provided with the distribution. 1.23 + 1.24 +* Neither the name of the assimp team, nor the names of its 1.25 + contributors may be used to endorse or promote products 1.26 + derived from this software without specific prior 1.27 + written permission of the assimp team. 1.28 + 1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.40 + 1.41 +---------------------------------------------------------------------- 1.42 +*/ 1.43 + 1.44 +/** @file LWSLoader.h 1.45 + * @brief Declaration of the LightWave scene importer class. 1.46 + */ 1.47 +#ifndef AI_LWSLOADER_H_INCLUDED 1.48 +#define AI_LWSLOADER_H_INCLUDED 1.49 + 1.50 +#include "LWOFileData.h" 1.51 +#include "SceneCombiner.h" 1.52 + 1.53 +namespace Assimp { 1.54 + namespace LWS { 1.55 + 1.56 +// --------------------------------------------------------------------------- 1.57 +/** Represents an element in a LWS file. 1.58 + * 1.59 + * This can either be a single data line - <name> <value> or a data 1.60 + * group - { name <data_line0> ... n } 1.61 + */ 1.62 +class Element 1.63 +{ 1.64 +public: 1.65 + Element() 1.66 + {} 1.67 + 1.68 + // first: name, second: rest 1.69 + std::string tokens[2]; 1.70 + std::list<Element> children; 1.71 + 1.72 + //! Recursive parsing function 1.73 + void Parse (const char*& buffer); 1.74 +}; 1.75 + 1.76 +#define AI_LWS_MASK (0xffffffff >> 4u) 1.77 + 1.78 +// --------------------------------------------------------------------------- 1.79 +/** Represents a LWS scenegraph element 1.80 + */ 1.81 +struct NodeDesc 1.82 +{ 1.83 + NodeDesc() 1.84 + : number (0) 1.85 + , parent (0) 1.86 + , name ("") 1.87 + , isPivotSet (false) 1.88 + , lightColor (1.f,1.f,1.f) 1.89 + , lightIntensity (1.f) 1.90 + , lightType (0) 1.91 + , lightFalloffType (0) 1.92 + , lightConeAngle (45.f) 1.93 + , parent_resolved (NULL) 1.94 + {} 1.95 + 1.96 + enum { 1.97 + 1.98 + OBJECT = 1, 1.99 + LIGHT = 2, 1.100 + CAMERA = 3, 1.101 + BONE = 4 1.102 + } type; // type of node 1.103 + 1.104 + // if object: path 1.105 + std::string path; 1.106 + unsigned int id; 1.107 + 1.108 + // number of object 1.109 + unsigned int number; 1.110 + 1.111 + // index of parent index 1.112 + unsigned int parent; 1.113 + 1.114 + // lights & cameras & dummies: name 1.115 + const char* name; 1.116 + 1.117 + // animation channels 1.118 + std::list< LWO::Envelope > channels; 1.119 + 1.120 + // position of pivot point 1.121 + aiVector3D pivotPos; 1.122 + bool isPivotSet; 1.123 + 1.124 + 1.125 + 1.126 + // color of light source 1.127 + aiColor3D lightColor; 1.128 + 1.129 + // intensity of light source 1.130 + float lightIntensity; 1.131 + 1.132 + // type of light source 1.133 + unsigned int lightType; 1.134 + 1.135 + // falloff type of light source 1.136 + unsigned int lightFalloffType; 1.137 + 1.138 + // cone angle of (spot) light source 1.139 + float lightConeAngle; 1.140 + 1.141 + // soft cone angle of (spot) light source 1.142 + float lightEdgeAngle; 1.143 + 1.144 + 1.145 + 1.146 + // list of resolved children 1.147 + std::list< NodeDesc* > children; 1.148 + 1.149 + // resolved parent node 1.150 + NodeDesc* parent_resolved; 1.151 + 1.152 + 1.153 + // for std::find() 1.154 + bool operator == (unsigned int num) const { 1.155 + if (!num) 1.156 + return false; 1.157 + unsigned int _type = num >> 28u; 1.158 + 1.159 + return _type == static_cast<unsigned int>(type) && (num & AI_LWS_MASK) == number; 1.160 + } 1.161 +}; 1.162 + 1.163 +} // end namespace LWS 1.164 + 1.165 +// --------------------------------------------------------------------------- 1.166 +/** LWS (LightWave Scene Format) importer class. 1.167 + * 1.168 + * This class does heavily depend on the LWO importer class. LWS files 1.169 + * contain mainly descriptions how LWO objects are composed together 1.170 + * in a scene. 1.171 +*/ 1.172 +class LWSImporter : public BaseImporter 1.173 +{ 1.174 +public: 1.175 + LWSImporter(); 1.176 + ~LWSImporter(); 1.177 + 1.178 + 1.179 +public: 1.180 + 1.181 + // ------------------------------------------------------------------- 1.182 + // Check whether we can read a specific file 1.183 + bool CanRead( const std::string& pFile, IOSystem* pIOHandler, 1.184 + bool checkSig) const; 1.185 + 1.186 +protected: 1.187 + 1.188 + // ------------------------------------------------------------------- 1.189 + // Get list of supported extensions 1.190 + const aiImporterDesc* GetInfo () const; 1.191 + 1.192 + // ------------------------------------------------------------------- 1.193 + // Import file into given scene data structure 1.194 + void InternReadFile( const std::string& pFile, aiScene* pScene, 1.195 + IOSystem* pIOHandler); 1.196 + 1.197 + // ------------------------------------------------------------------- 1.198 + // Setup import properties 1.199 + void SetupProperties(const Importer* pImp); 1.200 + 1.201 +private: 1.202 + 1.203 + 1.204 + // ------------------------------------------------------------------- 1.205 + // Read an envelope description 1.206 + void ReadEnvelope(const LWS::Element& dad, LWO::Envelope& out ); 1.207 + 1.208 + // ------------------------------------------------------------------- 1.209 + // Read an envelope description for the older LW file format 1.210 + void ReadEnvelope_Old(std::list< LWS::Element >::const_iterator& it, 1.211 + const std::list< LWS::Element >::const_iterator& end, 1.212 + LWS::NodeDesc& nodes, 1.213 + unsigned int version); 1.214 + 1.215 + // ------------------------------------------------------------------- 1.216 + // Setup a nice name for a node 1.217 + void SetupNodeName(aiNode* nd, LWS::NodeDesc& src); 1.218 + 1.219 + // ------------------------------------------------------------------- 1.220 + // Recursively build the scenegraph 1.221 + void BuildGraph(aiNode* nd, 1.222 + LWS::NodeDesc& src, 1.223 + std::vector<AttachmentInfo>& attach, 1.224 + BatchLoader& batch, 1.225 + aiCamera**& camOut, 1.226 + aiLight**& lightOut, 1.227 + std::vector<aiNodeAnim*>& animOut); 1.228 + 1.229 + // ------------------------------------------------------------------- 1.230 + // Try several dirs until we find the right location of a LWS file. 1.231 + std::string FindLWOFile(const std::string& in); 1.232 + 1.233 +private: 1.234 + 1.235 + bool configSpeedFlag; 1.236 + IOSystem* io; 1.237 + 1.238 + double first,last,fps; 1.239 + 1.240 + bool noSkeletonMesh; 1.241 +}; 1.242 + 1.243 +} // end of namespace Assimp 1.244 + 1.245 +#endif // AI_LWSIMPORTER_H_INC