| 1 | // Copyright (C) 2012-2015 ChaosForge Ltd
|
|---|
| 2 | // http://chaosforge.org/
|
|---|
| 3 | //
|
|---|
| 4 | // This file is part of Nova libraries.
|
|---|
| 5 | // For conditions of distribution and use, see copying.txt file in root folder.
|
|---|
| 6 |
|
|---|
| 7 | #include "nv/formats/md5_loader.hh"
|
|---|
| 8 |
|
|---|
| 9 | #include "nv/core/logging.hh"
|
|---|
| 10 | #include "nv/stl/vector.hh"
|
|---|
| 11 | #include "nv/io/std_stream.hh"
|
|---|
| 12 | #include "nv/interface/data_channel_access.hh"
|
|---|
| 13 |
|
|---|
| 14 | #include <stdio.h> // sscanf
|
|---|
| 15 | #include <stdlib.h> // atof
|
|---|
| 16 |
|
|---|
| 17 | #include <string> // TODO: remove
|
|---|
| 18 |
|
|---|
| 19 | using namespace nv;
|
|---|
| 20 |
|
|---|
| 21 | static void next_line( std::istream& stream )
|
|---|
| 22 | {
|
|---|
| 23 | stream.ignore( 1024*1024, '\n' );
|
|---|
| 24 | }
|
|---|
| 25 |
|
|---|
| 26 | static inline void discard( std::istream& stream, const std::string& token )
|
|---|
| 27 | {
|
|---|
| 28 | std::string discarded;
|
|---|
| 29 | stream >> discarded;
|
|---|
| 30 | assert( discarded == token );
|
|---|
| 31 | }
|
|---|
| 32 |
|
|---|
| 33 | static void remove_quotes( std::string& str )
|
|---|
| 34 | {
|
|---|
| 35 | nv::size_t n;
|
|---|
| 36 | while ( ( n = str.find('\"') ) != std::string::npos ) str.erase(n,1);
|
|---|
| 37 | }
|
|---|
| 38 |
|
|---|
| 39 | static void unit_quat_w( nv::quat& quat )
|
|---|
| 40 | {
|
|---|
| 41 | float t = 1.0f - ( quat.x * quat.x ) - ( quat.y * quat.y ) - ( quat.z * quat.z );
|
|---|
| 42 | quat.w = ( t < 0.0f ? 0.0f : -sqrtf(t) );
|
|---|
| 43 | }
|
|---|
| 44 |
|
|---|
| 45 | bool md5_loader::load( stream& source )
|
|---|
| 46 | {
|
|---|
| 47 | reset();
|
|---|
| 48 | std_stream sstream( &source );
|
|---|
| 49 | std::string command;
|
|---|
| 50 | size_t num_joints = 0;
|
|---|
| 51 |
|
|---|
| 52 | // MESH data
|
|---|
| 53 | dynamic_array< md5_weight > weights;
|
|---|
| 54 | dynamic_array< md5_weight_info > weight_info;
|
|---|
| 55 | size_t num_meshes = 0;
|
|---|
| 56 |
|
|---|
| 57 | // MESH data
|
|---|
| 58 | dynamic_array< md5_joint_info > joint_infos;
|
|---|
| 59 | vector< transform > base_frames;
|
|---|
| 60 | size_t num_animated_components = 0;
|
|---|
| 61 | size_t frame_rate = 0;
|
|---|
| 62 | size_t num_frames = 0;
|
|---|
| 63 |
|
|---|
| 64 | sstream >> command;
|
|---|
| 65 | while ( !sstream.eof() )
|
|---|
| 66 | {
|
|---|
| 67 | if ( command == "MD5Version" )
|
|---|
| 68 | {
|
|---|
| 69 | sstream >> m_md5_version;
|
|---|
| 70 | assert( m_md5_version == 10 );
|
|---|
| 71 | }
|
|---|
| 72 | else if ( command == "commandline" )
|
|---|
| 73 | {
|
|---|
| 74 | next_line( sstream );
|
|---|
| 75 | }
|
|---|
| 76 | else if ( command == "numJoints" )
|
|---|
| 77 | {
|
|---|
| 78 | sstream >> num_joints;
|
|---|
| 79 | next_line( sstream );
|
|---|
| 80 | }
|
|---|
| 81 | else if ( command == "numMeshes" )
|
|---|
| 82 | {
|
|---|
| 83 | assert( m_type == UNKNOWN );
|
|---|
| 84 | m_type = MESH;
|
|---|
| 85 | sstream >> num_meshes;
|
|---|
| 86 | m_meshes.resize( num_meshes );
|
|---|
| 87 | num_meshes = 0;
|
|---|
| 88 | }
|
|---|
| 89 | else if ( command == "numFrames" )
|
|---|
| 90 | {
|
|---|
| 91 | assert( m_type == UNKNOWN || m_type == ANIMATION );
|
|---|
| 92 | m_type = ANIMATION;
|
|---|
| 93 | sstream >> num_frames;
|
|---|
| 94 | next_line( sstream );
|
|---|
| 95 | }
|
|---|
| 96 | else if ( command == "frameRate" )
|
|---|
| 97 | {
|
|---|
| 98 | assert( m_type == UNKNOWN || m_type == ANIMATION );
|
|---|
| 99 | m_type = ANIMATION;
|
|---|
| 100 | sstream >> frame_rate;
|
|---|
| 101 | next_line( sstream );
|
|---|
| 102 | }
|
|---|
| 103 | else if ( command == "numAnimatedComponents" )
|
|---|
| 104 | {
|
|---|
| 105 | assert( m_type == UNKNOWN || m_type == ANIMATION );
|
|---|
| 106 | m_type = ANIMATION;
|
|---|
| 107 | sstream >> num_animated_components;
|
|---|
| 108 | next_line( sstream );
|
|---|
| 109 | }
|
|---|
| 110 | else if ( command == "joints" )
|
|---|
| 111 | {
|
|---|
| 112 | assert( m_type == MESH );
|
|---|
| 113 | assert( m_nodes == nullptr );
|
|---|
| 114 | m_nodes = new mesh_nodes_data( make_name( "md5_bones") );
|
|---|
| 115 | discard( sstream, "{" );
|
|---|
| 116 | for ( size_t i = 0; i < m_nodes->size(); ++i )
|
|---|
| 117 | {
|
|---|
| 118 | std::string name;
|
|---|
| 119 | sint16 parent_id;
|
|---|
| 120 | sstream >> name >> parent_id;
|
|---|
| 121 | vec3 pos;
|
|---|
| 122 | quat orient;
|
|---|
| 123 | discard( sstream, "(" );
|
|---|
| 124 | sstream >> pos.x >> pos.y >> pos.z;
|
|---|
| 125 | discard( sstream, ")" );
|
|---|
| 126 | discard( sstream, "(" );
|
|---|
| 127 | sstream >> orient.x >> orient.y >> orient.z;
|
|---|
| 128 | unit_quat_w( orient );
|
|---|
| 129 | remove_quotes( name );
|
|---|
| 130 | data_channel_set* set = data_channel_set_creator::create_set( 0 );
|
|---|
| 131 | data_channel_set_creator access( set );
|
|---|
| 132 | access.set_parent_id( parent_id );
|
|---|
| 133 | access.set_transform( transform( pos, orient ).inverse().extract() );
|
|---|
| 134 | access.set_name( make_name( name.c_str() ) );
|
|---|
| 135 | next_line( sstream );
|
|---|
| 136 | m_nodes->push_back( set );
|
|---|
| 137 | }
|
|---|
| 138 | discard( sstream, "}" );
|
|---|
| 139 | }
|
|---|
| 140 | else if ( command == "mesh" )
|
|---|
| 141 | {
|
|---|
| 142 | assert( m_type == MESH );
|
|---|
| 143 | data_channel_set* mesh = data_channel_set_creator::create_set( 4 );
|
|---|
| 144 | data_channel_set_creator maccess( mesh );
|
|---|
| 145 |
|
|---|
| 146 | uint32 num_verts = 0;
|
|---|
| 147 | uint32 num_tris = 0;
|
|---|
| 148 | uint32 num_weights = 0;
|
|---|
| 149 |
|
|---|
| 150 | discard( sstream, "{" );
|
|---|
| 151 | sstream >> command;
|
|---|
| 152 | while ( command != "}" )
|
|---|
| 153 | {
|
|---|
| 154 | if ( command == "shader" )
|
|---|
| 155 | {
|
|---|
| 156 | std::string shader;
|
|---|
| 157 | sstream >> shader;
|
|---|
| 158 | remove_quotes( shader );
|
|---|
| 159 | maccess.set_name( make_name( shader.c_str() ) );
|
|---|
| 160 | next_line( sstream );
|
|---|
| 161 | }
|
|---|
| 162 | else if ( command == "numverts")
|
|---|
| 163 | {
|
|---|
| 164 | sstream >> num_verts;
|
|---|
| 165 |
|
|---|
| 166 | md5_vtx_t* tdata = nullptr;
|
|---|
| 167 | {
|
|---|
| 168 | maccess.add_channel<md5_vtx_pnt>( num_verts );
|
|---|
| 169 | tdata = maccess.add_channel<md5_vtx_t>( num_verts ).data();
|
|---|
| 170 | maccess.add_channel<md5_vtx_pntiw>( num_verts );
|
|---|
| 171 | }
|
|---|
| 172 | weight_info.resize( num_verts );
|
|---|
| 173 |
|
|---|
| 174 | next_line( sstream );
|
|---|
| 175 | std::string line;
|
|---|
| 176 | for ( uint32 i = 0; i < num_verts; ++i )
|
|---|
| 177 | {
|
|---|
| 178 | size_t weight_count;
|
|---|
| 179 | size_t start_weight;
|
|---|
| 180 | vec2 texcoord;
|
|---|
| 181 |
|
|---|
| 182 | std::getline( sstream, line );
|
|---|
| 183 | sscanf( line.c_str(), "%*s %*u ( %f %f ) %u %u", &(texcoord.x), &(texcoord.y), &(start_weight), &(weight_count) );
|
|---|
| 184 | weight_info[i].start_weight = start_weight;
|
|---|
| 185 | weight_info[i].weight_count = weight_count;
|
|---|
| 186 | tdata[i].texcoord = texcoord;
|
|---|
| 187 | }
|
|---|
| 188 | }
|
|---|
| 189 | else if ( command == "numtris" )
|
|---|
| 190 | {
|
|---|
| 191 | sstream >> num_tris;
|
|---|
| 192 |
|
|---|
| 193 | uint32* vtx_i = reinterpret_cast< uint32* >( maccess.add_channel< index_u32 >( num_tris * 3 ).raw_data() );
|
|---|
| 194 | uint32 idx = 0;
|
|---|
| 195 |
|
|---|
| 196 | next_line( sstream );
|
|---|
| 197 | std::string line;
|
|---|
| 198 | for ( uint32 i = 0; i < num_tris; ++i )
|
|---|
| 199 | {
|
|---|
| 200 | unsigned ti0;
|
|---|
| 201 | unsigned ti1;
|
|---|
| 202 | unsigned ti2;
|
|---|
| 203 |
|
|---|
| 204 | std::getline( sstream, line );
|
|---|
| 205 | sscanf( line.c_str(), "%*s %*u %u %u %u )", &(ti0), &(ti1), &(ti2));
|
|---|
| 206 |
|
|---|
| 207 | vtx_i[idx++] = ti0;
|
|---|
| 208 | vtx_i[idx++] = ti1;
|
|---|
| 209 | vtx_i[idx++] = ti2;
|
|---|
| 210 | }
|
|---|
| 211 |
|
|---|
| 212 | }
|
|---|
| 213 | else if ( command == "numweights" )
|
|---|
| 214 | {
|
|---|
| 215 | sstream >> num_weights;
|
|---|
| 216 | weights.resize( num_weights );
|
|---|
| 217 | next_line( sstream );
|
|---|
| 218 | std::string line;
|
|---|
| 219 | for ( uint32 i = 0; i < num_weights; ++i )
|
|---|
| 220 | {
|
|---|
| 221 | md5_weight weight;
|
|---|
| 222 |
|
|---|
| 223 | std::getline( sstream, line );
|
|---|
| 224 | sscanf( line.c_str(), "%*s %*u %u %f ( %f %f %f )", &(weight.joint_id), &(weight.bias), &(weight.pos.x), &(weight.pos.y), &(weight.pos.z));
|
|---|
| 225 | weights[i] = weight;
|
|---|
| 226 | }
|
|---|
| 227 | }
|
|---|
| 228 | else
|
|---|
| 229 | {
|
|---|
| 230 | next_line( sstream );
|
|---|
| 231 | }
|
|---|
| 232 |
|
|---|
| 233 | sstream >> command;
|
|---|
| 234 | }
|
|---|
| 235 |
|
|---|
| 236 | prepare_mesh( m_nodes, weight_info.size(), mesh, weights.data(), weight_info.data() );
|
|---|
| 237 |
|
|---|
| 238 | m_meshes[ num_meshes ] = mesh;
|
|---|
| 239 | num_meshes++;
|
|---|
| 240 | } // mesh
|
|---|
| 241 | else if ( command == "hierarchy" )
|
|---|
| 242 | {
|
|---|
| 243 | assert( m_type == ANIMATION );
|
|---|
| 244 | assert( m_nodes == nullptr );
|
|---|
| 245 | m_nodes = new mesh_nodes_data( make_name( "md5_animation" ), static_cast< nv::uint16 >( frame_rate ), static_cast< float >( num_frames ), true );
|
|---|
| 246 | joint_infos.resize( num_joints );
|
|---|
| 247 |
|
|---|
| 248 | discard( sstream, "{" );
|
|---|
| 249 | for ( size_t i = 0; i < m_nodes->size(); ++i )
|
|---|
| 250 | {
|
|---|
| 251 | std::string name;
|
|---|
| 252 | sint16 parent_id;
|
|---|
| 253 | sstream >> name >> parent_id >> joint_infos[i].flags >> joint_infos[i].start_index;
|
|---|
| 254 | remove_quotes( name );
|
|---|
| 255 | data_channel_set* set = data_channel_set_creator::create_set( 1 );
|
|---|
| 256 | data_channel_set_creator access( set );
|
|---|
| 257 | access.add_channel< md5_key_t >( num_frames );
|
|---|
| 258 | access.set_name( make_name( name.c_str() ) );
|
|---|
| 259 | access.set_parent_id( parent_id );
|
|---|
| 260 | m_nodes->push_back( set );
|
|---|
| 261 | next_line( sstream );
|
|---|
| 262 | }
|
|---|
| 263 | discard( sstream, "}" );
|
|---|
| 264 | }
|
|---|
| 265 | else if ( command == "bounds" )
|
|---|
| 266 | {
|
|---|
| 267 | assert( m_type == ANIMATION );
|
|---|
| 268 | discard( sstream, "{" );
|
|---|
| 269 | next_line( sstream );
|
|---|
| 270 | for ( size_t i = 0; i < num_frames; ++i )
|
|---|
| 271 | {
|
|---|
| 272 | // vec3 min;
|
|---|
| 273 | // vec3 max;
|
|---|
| 274 | // discard( sstream, "(" );
|
|---|
| 275 | // sstream >> min.x >> min.y >> min.z;
|
|---|
| 276 | // discard( sstream, ")" );
|
|---|
| 277 | // discard( sstream, "(" );
|
|---|
| 278 | // sstream >> max.x >> max.y >> max.z;
|
|---|
| 279 | // m_bounds.push_back( bound );
|
|---|
| 280 | next_line( sstream );
|
|---|
| 281 | }
|
|---|
| 282 |
|
|---|
| 283 | discard( sstream, "}" );
|
|---|
| 284 | next_line( sstream );
|
|---|
| 285 | }
|
|---|
| 286 | else if ( command == "baseframe" )
|
|---|
| 287 | {
|
|---|
| 288 | assert( m_type == ANIMATION );
|
|---|
| 289 | discard( sstream, "{" );
|
|---|
| 290 | next_line( sstream );
|
|---|
| 291 |
|
|---|
| 292 | for ( size_t i = 0; i < m_nodes->size(); ++i )
|
|---|
| 293 | {
|
|---|
| 294 | transform base_frame;
|
|---|
| 295 | vec3 pos;
|
|---|
| 296 | quat orient;
|
|---|
| 297 | discard( sstream, "(" );
|
|---|
| 298 | sstream >> pos.x >> pos.y >> pos.z;
|
|---|
| 299 | discard( sstream, ")" );
|
|---|
| 300 | discard( sstream, "(" );
|
|---|
| 301 | sstream >> orient.x >> orient.y >> orient.z;
|
|---|
| 302 | next_line( sstream );
|
|---|
| 303 |
|
|---|
| 304 | base_frames.emplace_back( pos, orient );
|
|---|
| 305 | }
|
|---|
| 306 | discard( sstream, "}" );
|
|---|
| 307 | next_line( sstream );
|
|---|
| 308 | }
|
|---|
| 309 | else if ( command == "frame" )
|
|---|
| 310 | {
|
|---|
| 311 | vector<float> frame;
|
|---|
| 312 | uint32 frame_id;
|
|---|
| 313 | sstream >> frame_id;
|
|---|
| 314 | discard( sstream, "{" );
|
|---|
| 315 | next_line( sstream );
|
|---|
| 316 |
|
|---|
| 317 | frame.reserve( num_animated_components );
|
|---|
| 318 | char buf[50];
|
|---|
| 319 | for ( size_t i = 0; i < num_animated_components; ++i )
|
|---|
| 320 | {
|
|---|
| 321 | sstream >> buf;
|
|---|
| 322 | frame.push_back( static_cast< float >( atof(buf) ) );
|
|---|
| 323 | }
|
|---|
| 324 |
|
|---|
| 325 | build_frame_skeleton( m_nodes, frame_id, joint_infos, base_frames, frame );
|
|---|
| 326 |
|
|---|
| 327 | discard( sstream, "}" );
|
|---|
| 328 | next_line( sstream );
|
|---|
| 329 | }
|
|---|
| 330 |
|
|---|
| 331 | sstream >> command;
|
|---|
| 332 | }
|
|---|
| 333 |
|
|---|
| 334 | return true;
|
|---|
| 335 | }
|
|---|
| 336 |
|
|---|
| 337 | bool md5_loader::prepare_mesh( mesh_nodes_data* nodes, uint32 vtx_count, data_channel_set* mdata, md5_weight* weights, md5_weight_info* weight_info )
|
|---|
| 338 | {
|
|---|
| 339 | assert( m_type == MESH );
|
|---|
| 340 | data_channel_access< md5_vtx_pnt > pnt ( const_cast< raw_data_channel* >( mdata->get_channel< md5_vtx_pnt >() ) );
|
|---|
| 341 | data_channel_access< md5_vtx_pntiw > pntiw( const_cast< raw_data_channel* >( mdata->get_channel< md5_vtx_pntiw >() ) );
|
|---|
| 342 | md5_vtx_pntiw* vtx_data = pntiw.data();
|
|---|
| 343 | md5_vtx_pnt* vtcs = pnt.data();
|
|---|
| 344 |
|
|---|
| 345 | for ( uint32 i = 0; i < vtx_count; ++i )
|
|---|
| 346 | {
|
|---|
| 347 | size_t start_weight = weight_info[i].start_weight;
|
|---|
| 348 | size_t weight_count = weight_info[i].weight_count;
|
|---|
| 349 | md5_vtx_pntiw& vdata = vtx_data[i];
|
|---|
| 350 | md5_vtx_pnt& vtc = vtcs[i];
|
|---|
| 351 |
|
|---|
| 352 | vtc.position = vec3(0);
|
|---|
| 353 | vtc.normal = vec3(0);
|
|---|
| 354 | vtc.tangent = vec3(0);
|
|---|
| 355 |
|
|---|
| 356 | stable_sort( weights + start_weight, weights + start_weight + weight_count, [] ( const md5_weight& a, const md5_weight& b ) -> bool { return a.bias > b.bias; } );
|
|---|
| 357 | //std::sort( weights + start_weight, weights + start_weight + weight_count, [](const md5_weight& a, const md5_weight& b) -> bool { return a.bias > b.bias; } );
|
|---|
| 358 |
|
|---|
| 359 | if ( weight_count > 4 )
|
|---|
| 360 | {
|
|---|
| 361 | float sum = 0.0f;
|
|---|
| 362 | for ( size_t j = 0; j < 4; ++j )
|
|---|
| 363 | {
|
|---|
| 364 | sum += weights[start_weight + j].bias;
|
|---|
| 365 | }
|
|---|
| 366 | float ratio = 1.0f / sum;
|
|---|
| 367 | for ( size_t j = 0; j < 4; ++j )
|
|---|
| 368 | {
|
|---|
| 369 | weights[start_weight + j].bias = ratio * weights[start_weight + j].bias;
|
|---|
| 370 | }
|
|---|
| 371 | weight_count = 4;
|
|---|
| 372 | }
|
|---|
| 373 |
|
|---|
| 374 | for ( int j = 0; j < 4; ++j )
|
|---|
| 375 | {
|
|---|
| 376 | if ( j < int(weight_count) )
|
|---|
| 377 | {
|
|---|
| 378 | vdata.boneindex[j] = int( weights[int(start_weight) + j].joint_id );
|
|---|
| 379 | vdata.boneweight[j] = weights[int(start_weight) + j].bias;
|
|---|
| 380 | }
|
|---|
| 381 | else
|
|---|
| 382 | {
|
|---|
| 383 | vdata.boneindex[j] = 0;
|
|---|
| 384 | vdata.boneweight[j] = 0.0f;
|
|---|
| 385 | }
|
|---|
| 386 | }
|
|---|
| 387 |
|
|---|
| 388 | for ( size_t j = 0; j < 4; ++j )
|
|---|
| 389 | {
|
|---|
| 390 | if ( j < weight_count )
|
|---|
| 391 | {
|
|---|
| 392 | md5_weight& weight = weights[start_weight + j];
|
|---|
| 393 | const data_channel_set* joint = (*nodes)[weight.joint_id];
|
|---|
| 394 | const transform tr = transform( joint->get_transform() ).inverse();
|
|---|
| 395 | vec3 rot_pos = tr.get_orientation() * weight.pos;
|
|---|
| 396 |
|
|---|
| 397 | vtc.position += ( tr.get_position() + rot_pos ) * weight.bias;
|
|---|
| 398 | }
|
|---|
| 399 | }
|
|---|
| 400 | }
|
|---|
| 401 |
|
|---|
| 402 | const uint32* idata = reinterpret_cast< uint32* >( const_cast< uint8* >( mdata->get_channel( slot::INDEX )->raw_data() ) );
|
|---|
| 403 | const md5_vtx_t* tdata = mdata->get_channel_data<md5_vtx_t>();
|
|---|
| 404 |
|
|---|
| 405 | // Prepare normals
|
|---|
| 406 | uint32 tri_count = mdata->get_channel_size( slot::INDEX ) / 3;
|
|---|
| 407 | for ( unsigned int i = 0; i < tri_count; ++i )
|
|---|
| 408 | {
|
|---|
| 409 | uint32 ti0 = idata[ i * 3 ];
|
|---|
| 410 | uint32 ti1 = idata[ i * 3 + 1 ];
|
|---|
| 411 | uint32 ti2 = idata[ i * 3 + 2 ];
|
|---|
| 412 |
|
|---|
| 413 | vec3 v1 = vtcs[ ti0 ].position;
|
|---|
| 414 | vec3 v2 = vtcs[ ti1 ].position;
|
|---|
| 415 | vec3 v3 = vtcs[ ti2 ].position;
|
|---|
| 416 | vec3 xyz1 = v3 - v1;
|
|---|
| 417 | vec3 xyz2 = v2 - v1;
|
|---|
| 418 |
|
|---|
| 419 | vec3 normal = glm::cross( xyz1, xyz2 );
|
|---|
| 420 |
|
|---|
| 421 | vtcs[ ti0 ].normal += normal;
|
|---|
| 422 | vtcs[ ti1 ].normal += normal;
|
|---|
| 423 | vtcs[ ti2 ].normal += normal;
|
|---|
| 424 |
|
|---|
| 425 | const vec2& w1 = tdata[ ti0 ].texcoord;
|
|---|
| 426 | const vec2& w2 = tdata[ ti1 ].texcoord;
|
|---|
| 427 | const vec2& w3 = tdata[ ti2 ].texcoord;
|
|---|
| 428 |
|
|---|
| 429 | vec2 st1 = w3 - w1;
|
|---|
| 430 | vec2 st2 = w2 - w1;
|
|---|
| 431 |
|
|---|
| 432 | float coef = 1.0f / (st1.x * st2.y - st2.x * st1.y);
|
|---|
| 433 |
|
|---|
| 434 | vec3 tangent = (( xyz1 * st2.y ) - ( xyz2 * st1.y )) * coef;
|
|---|
| 435 |
|
|---|
| 436 | vtcs[ ti0 ].tangent += tangent;
|
|---|
| 437 | vtcs[ ti1 ].tangent += tangent;
|
|---|
| 438 | vtcs[ ti2 ].tangent += tangent;
|
|---|
| 439 | }
|
|---|
| 440 |
|
|---|
| 441 | for ( size_t i = 0; i < vtx_count; ++i )
|
|---|
| 442 | {
|
|---|
| 443 | md5_vtx_pntiw& vdata = vtx_data[i];
|
|---|
| 444 |
|
|---|
| 445 | vec3 normal = glm::normalize( vtcs[i].normal );
|
|---|
| 446 | vec3 tangent = glm::normalize( vtcs[i].tangent );
|
|---|
| 447 | vtcs[i].normal = normal;
|
|---|
| 448 | vtcs[i].tangent = tangent;
|
|---|
| 449 |
|
|---|
| 450 | vdata.position = vtcs[i].position;
|
|---|
| 451 | vdata.normal = vec3(0);
|
|---|
| 452 | vdata.tangent = vec3(0);
|
|---|
| 453 |
|
|---|
| 454 | for ( int j = 0; j < 4; ++j )
|
|---|
| 455 | {
|
|---|
| 456 | const data_channel_set* joint = ( *nodes )[vdata.boneindex[j]];
|
|---|
| 457 | const transform tr = transform( joint->get_transform() ).inverse();
|
|---|
| 458 | vdata.normal += ( normal * tr.get_orientation() ) * vdata.boneweight[j];
|
|---|
| 459 | vdata.tangent += ( tangent * tr.get_orientation() ) * vdata.boneweight[j];
|
|---|
| 460 | }
|
|---|
| 461 | }
|
|---|
| 462 |
|
|---|
| 463 | return true;
|
|---|
| 464 | }
|
|---|
| 465 |
|
|---|
| 466 | void md5_loader::build_frame_skeleton( mesh_nodes_data* nodes, uint32 index, const array_view<md5_joint_info>& joint_infos, const array_view<transform>& base_frames, const array_view<float>& frame_data )
|
|---|
| 467 | {
|
|---|
| 468 | assert( m_type == ANIMATION );
|
|---|
| 469 | for ( unsigned int i = 0; i < joint_infos.size(); ++i )
|
|---|
| 470 | {
|
|---|
| 471 | unsigned int j = 0;
|
|---|
| 472 |
|
|---|
| 473 | const md5_joint_info& jinfo = joint_infos[i];
|
|---|
| 474 | const data_channel_set* joint = (*nodes)[i];
|
|---|
| 475 | int parent_id = joint->get_parent_id();
|
|---|
| 476 |
|
|---|
| 477 | vec3 pos = base_frames[i].get_position();
|
|---|
| 478 | quat orient = base_frames[i].get_orientation();
|
|---|
| 479 | if ( jinfo.flags & 1 ) pos.x = frame_data[ jinfo.start_index + j++ ];
|
|---|
| 480 | if ( jinfo.flags & 2 ) pos.y = frame_data[ jinfo.start_index + j++ ];
|
|---|
| 481 | if ( jinfo.flags & 4 ) pos.z = frame_data[ jinfo.start_index + j++ ];
|
|---|
| 482 | if ( jinfo.flags & 8 ) orient.x = frame_data[ jinfo.start_index + j++ ];
|
|---|
| 483 | if ( jinfo.flags & 16 ) orient.y = frame_data[ jinfo.start_index + j++ ];
|
|---|
| 484 | if ( jinfo.flags & 32 ) orient.z = frame_data[ jinfo.start_index + j++ ];
|
|---|
| 485 | unit_quat_w( orient );
|
|---|
| 486 |
|
|---|
| 487 | if ( parent_id >= 0 ) // Has a parent joint
|
|---|
| 488 | {
|
|---|
| 489 | const data_channel_set* pjoint = ( *nodes )[i];
|
|---|
| 490 | const transform* ptv = reinterpret_cast< const transform* >( pjoint->get_channel(0)->raw_data() );
|
|---|
| 491 | transform ptr;
|
|---|
| 492 | if ( pjoint->get_channel(0)->size() > index ) ptr = ptv[ index ];
|
|---|
| 493 | vec3 rot_pos = ptr.get_orientation() * pos;
|
|---|
| 494 |
|
|---|
| 495 | pos = ptr.get_position() + rot_pos;
|
|---|
| 496 | orient = ptr.get_orientation() * orient;
|
|---|
| 497 |
|
|---|
| 498 | orient = glm::normalize( orient );
|
|---|
| 499 | }
|
|---|
| 500 |
|
|---|
| 501 | reinterpret_cast< transform* >( const_cast< uint8* >( joint->get_channel(0)->raw_data() ) )[index] = transform( pos, orient );
|
|---|
| 502 | }
|
|---|
| 503 | }
|
|---|
| 504 |
|
|---|
| 505 | data_channel_set* nv::md5_loader::release_mesh_data( size_t index )
|
|---|
| 506 | {
|
|---|
| 507 | data_channel_set* result = m_meshes[ index ];
|
|---|
| 508 | m_meshes[ index ] = nullptr;
|
|---|
| 509 | return result;
|
|---|
| 510 | }
|
|---|
| 511 |
|
|---|
| 512 | mesh_nodes_data* nv::md5_loader::release_mesh_nodes_data( size_t )
|
|---|
| 513 | {
|
|---|
| 514 | mesh_nodes_data* nodes = m_nodes;
|
|---|
| 515 | m_nodes = nullptr;
|
|---|
| 516 | return nodes;
|
|---|
| 517 | }
|
|---|
| 518 |
|
|---|
| 519 | mesh_data_pack* nv::md5_loader::release_mesh_data_pack()
|
|---|
| 520 | {
|
|---|
| 521 | uint32 size = m_meshes.size();
|
|---|
| 522 | data_channel_set* meshes = data_channel_set_creator::create_set_array( size, 4 );
|
|---|
| 523 | for ( uint32 i = 0; i < size; ++i )
|
|---|
| 524 | {
|
|---|
| 525 | meshes[i] = move( *m_meshes[i] );
|
|---|
| 526 | delete m_meshes[i];
|
|---|
| 527 | m_meshes[i] = nullptr;
|
|---|
| 528 | }
|
|---|
| 529 | return new mesh_data_pack( size, meshes, release_mesh_nodes_data() );
|
|---|
| 530 | }
|
|---|
| 531 |
|
|---|
| 532 |
|
|---|
| 533 | nv::md5_loader::~md5_loader()
|
|---|
| 534 | {
|
|---|
| 535 | reset();
|
|---|
| 536 | }
|
|---|
| 537 |
|
|---|
| 538 | void nv::md5_loader::reset()
|
|---|
| 539 | {
|
|---|
| 540 | if ( m_nodes ) delete m_nodes;
|
|---|
| 541 | for ( auto m : m_meshes ) { if (m) delete m; }
|
|---|
| 542 | m_meshes.resize(0);
|
|---|
| 543 | m_nodes = nullptr;
|
|---|
| 544 | }
|
|---|
| 545 |
|
|---|
