S3DModel* CAssParser::Load(const std::string& modelFilePath)
{
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Loading model: %s", modelFilePath.c_str());
const std::string& modelPath = FileSystem::GetDirectory(modelFilePath);
const std::string& modelName = FileSystem::GetBasename(modelFilePath);
// Load the lua metafile. This contains properties unique to Spring models and must return a table
std::string metaFileName = modelFilePath + ".lua";
if (!CFileHandler::FileExists(metaFileName, SPRING_VFS_ZIP)) {
// Try again without the model file extension
metaFileName = modelPath + '/' + modelName + ".lua";
}
if (!CFileHandler::FileExists(metaFileName, SPRING_VFS_ZIP)) {
LOG_SL(LOG_SECTION_MODEL, L_INFO, "No meta-file '%s'. Using defaults.", metaFileName.c_str());
}
LuaParser metaFileParser(metaFileName, SPRING_VFS_MOD_BASE, SPRING_VFS_ZIP);
if (!metaFileParser.Execute()) {
LOG_SL(LOG_SECTION_MODEL, L_ERROR, "'%s': %s. Using defaults.", metaFileName.c_str(), metaFileParser.GetErrorLog().c_str());
}
// Get the (root-level) model table
const LuaTable& modelTable = metaFileParser.GetRoot();
if (!modelTable.IsValid()) {
LOG_SL(LOG_SECTION_MODEL, L_INFO, "No valid model metadata in '%s' or no meta-file", metaFileName.c_str());
}
// Create a model importer instance
Assimp::Importer importer;
// Create a logger for debugging model loading issues
Assimp::DefaultLogger::create("", Assimp::Logger::VERBOSE);
Assimp::DefaultLogger::get()->attachStream(new AssLogStream(), ASS_LOGGING_OPTIONS);
// Give the importer an IO class that handles Spring's VFS
importer.SetIOHandler(new AssVFSSystem());
// Speed-up processing by skipping things we don't need
importer.SetPropertyInteger(AI_CONFIG_PP_RVC_FLAGS, ASS_IMPORTER_OPTIONS);
#ifndef BITMAP_NO_OPENGL
{
// Optimize VBO-Mesh sizes/ranges
GLint maxIndices = 1024;
GLint maxVertices = 1024;
// FIXME returns non-optimal data, at best compute it ourselves (pre-TL cache size!)
glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &maxIndices);
glGetIntegerv(GL_MAX_ELEMENTS_VERTICES, &maxVertices);
importer.SetPropertyInteger(AI_CONFIG_PP_SLM_VERTEX_LIMIT, maxVertices);
importer.SetPropertyInteger(AI_CONFIG_PP_SLM_TRIANGLE_LIMIT, maxIndices / 3);
}
#endif
// Read the model file to build a scene object
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Importing model file: %s", modelFilePath.c_str());
const aiScene* scene;
{
// ASSIMP spams many SIGFPEs atm in normal & tangent generation
ScopedDisableFpuExceptions fe;
scene = importer.ReadFile(modelFilePath, ASS_POSTPROCESS_OPTIONS);
}
if (scene != NULL) {
LOG_SL(LOG_SECTION_MODEL, L_INFO,
"Processing scene for model: %s (%d meshes / %d materials / %d textures)",
modelFilePath.c_str(), scene->mNumMeshes, scene->mNumMaterials,
scene->mNumTextures);
} else {
throw content_error("[AssimpParser] Model Import: " + std::string(importer.GetErrorString()));
}
S3DModel* model = new S3DModel();
model->name = modelFilePath;
model->type = MODELTYPE_ASS;
// Load textures
FindTextures(model, scene, modelTable, modelPath, modelName);
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Loading textures. Tex1: '%s' Tex2: '%s'", model->tex1.c_str(), model->tex2.c_str());
texturehandlerS3O->LoadS3OTexture(model);
// Load all pieces in the model
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Loading pieces from root node '%s'", scene->mRootNode->mName.data);
LoadPiece(model, scene->mRootNode, scene, modelTable);
// Update piece hierarchy based on metadata
BuildPieceHierarchy(model);
CalculateModelProperties(model, modelTable);
// Verbose logging of model properties
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->name: %s", model->name.c_str());
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->numobjects: %d", model->numPieces);
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->radius: %f", model->radius);
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->height: %f", model->height);
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->drawRadius: %f", model->drawRadius);
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->mins: (%f,%f,%f)", model->mins[0], model->mins[1], model->mins[2]);
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->maxs: (%f,%f,%f)", model->maxs[0], model->maxs[1], model->maxs[2]);
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Model %s Imported.", model->name.c_str());
return model;
}
S3DModel* CAssParser::Load(const std::string& modelFilePath)
{
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Loading model: %s", modelFilePath.c_str());
const std::string& modelPath = FileSystem::GetDirectory(modelFilePath);
const std::string& modelName = FileSystem::GetBasename(modelFilePath);
// Load the lua metafile. This contains properties unique to Spring models and must return a table
std::string metaFileName = modelFilePath + ".lua";
if (!CFileHandler::FileExists(metaFileName, SPRING_VFS_ZIP)) {
// Try again without the model file extension
metaFileName = modelPath + '/' + modelName + ".lua";
}
if (!CFileHandler::FileExists(metaFileName, SPRING_VFS_ZIP)) {
LOG_SL(LOG_SECTION_MODEL, L_INFO, "No meta-file '%s'. Using defaults.", metaFileName.c_str());
}
LuaParser metaFileParser(metaFileName, SPRING_VFS_MOD_BASE, SPRING_VFS_ZIP);
if (!metaFileParser.Execute()) {
LOG_SL(LOG_SECTION_MODEL, L_INFO, "'%s': %s. Using defaults.", metaFileName.c_str(), metaFileParser.GetErrorLog().c_str());
}
// Get the (root-level) model table
const LuaTable& modelTable = metaFileParser.GetRoot();
if (!modelTable.IsValid()) {
LOG_SL(LOG_SECTION_MODEL, L_INFO, "No valid model metadata in '%s' or no meta-file", metaFileName.c_str());
}
// Create a model importer instance
Assimp::Importer importer;
// Give the importer an IO class that handles Spring's VFS
importer.SetIOHandler(new AssVFSSystem());
// Speed-up processing by skipping things we don't need
importer.SetPropertyInteger(AI_CONFIG_PP_RVC_FLAGS, ASS_IMPORTER_OPTIONS);
#ifndef BITMAP_NO_OPENGL
{
importer.SetPropertyInteger(AI_CONFIG_PP_SLM_VERTEX_LIMIT, maxVertices);
importer.SetPropertyInteger(AI_CONFIG_PP_SLM_TRIANGLE_LIMIT, maxIndices / 3);
}
#endif
// Read the model file to build a scene object
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Importing model file: %s", modelFilePath.c_str());
const aiScene* scene = nullptr;
{
// ASSIMP spams many SIGFPEs atm in normal & tangent generation
ScopedDisableFpuExceptions fe;
scene = importer.ReadFile(modelFilePath, ASS_POSTPROCESS_OPTIONS);
}
if (scene != nullptr) {
LOG_SL(LOG_SECTION_MODEL, L_INFO,
"Processing scene for model: %s (%d meshes / %d materials / %d textures)",
modelFilePath.c_str(), scene->mNumMeshes, scene->mNumMaterials,
scene->mNumTextures);
} else {
throw content_error("[AssimpParser] Model Import: " + std::string(importer.GetErrorString()));
}
ModelPieceMap pieceMap;
ParentNameMap parentMap;
S3DModel* model = new S3DModel();
model->name = modelFilePath;
model->type = MODELTYPE_ASS;
// Load textures
FindTextures(model, scene, modelTable, modelPath, modelName);
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Loading textures. Tex1: '%s' Tex2: '%s'", model->texs[0].c_str(), model->texs[1].c_str());
texturehandlerS3O->PreloadTexture(model, modelTable.GetBool("fliptextures", true), modelTable.GetBool("invertteamcolor", true));
// Load all pieces in the model
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Loading pieces from root node '%s'", scene->mRootNode->mName.data);
LoadPiece(model, scene->mRootNode, scene, modelTable, pieceMap, parentMap);
// Update piece hierarchy based on metadata
BuildPieceHierarchy(model, pieceMap, parentMap);
CalculateModelProperties(model, modelTable);
// Verbose logging of model properties
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->name: %s", model->name.c_str());
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->numobjects: %d", model->numPieces);
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->radius: %f", model->radius);
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->height: %f", model->height);
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->mins: (%f,%f,%f)", model->mins[0], model->mins[1], model->mins[2]);
LOG_SL(LOG_SECTION_MODEL, L_DEBUG, "model->maxs: (%f,%f,%f)", model->maxs[0], model->maxs[1], model->maxs[2]);
LOG_SL(LOG_SECTION_MODEL, L_INFO, "Model %s Imported.", model->name.c_str());
return model;
}
