void MeshViewApp::update()
{
// Track the time
float elapsed = (float) getElapsedSeconds() - m_time;
m_time += elapsed;
if (m_fileMonitorConfig->hasChanged())
{
loadConfig(m_configFileName, true);
}
if(m_fileMonitorVert->hasChanged() || m_fileMonitorFrag->hasChanged())
{
loadShader(m_shaderFileName);
}
if(m_rotateMesh)
{
float rotateAngle = elapsed * 0.2f;
m_matrix.rotate(Vec3f::yAxis(), rotateAngle);
}
if(isInitialized())
{
m_assimpLoader.setTime(elapsed);
m_assimpLoader.update();
}
}
Ptr<Mesh> Mesh::CreateMeshFromFile(const String& filePath)
{
auto exceptionManager = ExceptionManager::GetInstance();
AssimpLoader loader;
Ptr<Mesh> mesh = loader.Load(filePath);
if (mesh == nullptr)
{
Ptr<Exception> exception = Ptr<Exception>::New((String)"加载模型文件" + filePath + "失败。原因是:\n"
+ exceptionManager->GetException()->GetInfo());
exceptionManager->PushException(exception);
return nullptr;
}
return mesh;
}
void TrackerRenderer::loadModels() {
// Set up options
Ogre::UnaryOptionList unOpt;
Ogre::BinaryOptionList binOpt;
unOpt["-q"] = false;
unOpt["-3ds_ani_fix"] = false;
unOpt["-3ds_dae_fix"] = false;
unOpt["-shader"] = false;
binOpt["-log"] = "ass.log";
binOpt["-aniName"] = "";
binOpt["-aniSpeedMod"] = 0.0f;
binOpt["-l"] = "";
binOpt["-v"] = "";
binOpt["-s"] = "Distance";
binOpt["-p"] = "";
binOpt["-f"] = "";
AssimpLoader::AssOptions opts;
opts.quietMode = false;
opts.logFile = "ass.log";
opts.customAnimationName = "";
opts.dest = "";
opts.animationSpeedModifier = 1.0;
opts.lodValue = 250000;
opts.lodFixed = 0;
opts.lodPercent = 20;
opts.numLods = 0;
opts.usePercent = true;
opts.source =
"/home/alessandro/projects/drone_ws/src/fato_tracker/data/ros_hydro/"
"ros_hydro.obj";
AssimpLoader loader;
loader.convert(opts);
std::cout << "assimp model loaded" << std::endl;
}
void MeshViewApp::setupCamera(bool inTheMiddleOfY)
{
m_camera.setNearClip(0.1f);
m_camera.setFarClip(10000.0f);
AxisAlignedBox3f bbox = m_assimpLoader.getBoundingBox();
Vec3f size = bbox.getSize();
float max = size.x;
max = max < size.y ? size.y : max;
max = max < size.z ? size.z : max;
if(inTheMiddleOfY)
m_camera.setEyePoint(Vec3f(0.0f, size.y / 2, max * 2.0f));
else
m_camera.setEyePoint(Vec3f(0.0f, max, max * 2.0f));
m_camera.setCenterOfInterestPoint(bbox.getCenter());
}
int main(int numargs, char** args)
{
if (numargs < 2)
{
help();
return -1;
}
// Assume success
int retCode = 0;
try
{
logMgr = new Ogre::LogManager();
// this log catches output from the parseArgs call and routes it to stdout only
logMgr->createLog("Temporary log", false, true, true);
AssOptions opts = parseArgs(numargs, args);
// use the log specified by the cmdline params
logMgr->setDefaultLog(logMgr->createLog(opts.logFile, false, true));
// get rid of the temporary log as we use the new log now
logMgr->destroyLog("Temporary log");
rgm = new Ogre::ResourceGroupManager();
mth = new Ogre::Math();
lodMgr = new Ogre::LodStrategyManager();
meshMgr = new Ogre::MeshManager();
matMgr = new Ogre::MaterialManager();
matMgr->initialise();
skelMgr = new Ogre::SkeletonManager();
meshSerializer = new Ogre::MeshSerializer();
//xmlMeshSerializer = new Ogre::XMLMeshSerializer();
skeletonSerializer = new Ogre::SkeletonSerializer();
//xmlSkeletonSerializer = new Ogre::XMLSkeletonSerializer();
bufferManager = new Ogre::DefaultHardwareBufferManager(); // needed because we don't have a rendersystem
scmgr = new Ogre::ScriptCompilerManager();
archmgr = new Ogre::ArchiveManager();
mfsarchf = new Ogre::FileSystemArchiveFactory();
Ogre::ArchiveManager::getSingleton().addArchiveFactory( mfsarchf );
if(opts.quietMode)
opts.params |= AssimpLoader::LP_QUIET_MODE;
AssimpLoader loader;
loader.convert(opts.source, opts.customAnimationName, opts.params, opts.dest, opts.animationSpeedModifier);
}
catch(Ogre::Exception& e)
{
std::cerr << "FATAL ERROR: " << e.getDescription() << std::endl;
std::cerr << "ABORTING!" << std::endl;
retCode = 1;
}
//delete xmlSkeletonSerializer;
delete skeletonSerializer;
//delete xmlMeshSerializer;
delete meshSerializer;
delete skelMgr;
delete matMgr;
//delete meshMgr; FIX this!!
delete bufferManager;
delete scmgr;
delete archmgr;
delete mfsarchf;
delete lodMgr;
delete mth;
delete rgm;
delete logMgr;
return retCode;
}
void MeshViewApp::draw()
{
// Clear the window
gl::clear();
gl::color(Color::white());
if(isInitialized())
{
// Get ready to draw in 3D
gl::pushMatrices();
gl::setMatrices(m_camera);
gl::enableDepthRead();
gl::enableDepthWrite();
// Bind textures
if(m_texDiffuse)
m_texDiffuse->enableAndBind();
if (m_texNormal)
m_texNormal->bind(1);
if (m_texSpecular)
m_texSpecular->bind(2);
if(m_texAO)
m_texAO->bind(3);
if(m_texEmissive)
m_texEmissive->bind(4);
// Bind shader
m_shader->bind();
m_shader->uniform("texDiffuse", 0);
m_shader->uniform("texNormal", 1);
m_shader->uniform("texSpecular", 2);
m_shader->uniform("texAO", 3);
m_shader->uniform("texEmissive", 4);
m_shader->uniform("texDiffusePower", m_texDiffusePower);
m_shader->uniform("texNormalPower", m_texNormalPower);
m_shader->uniform("texSpecularPower", m_texSpecularPower);
m_shader->uniform("texAOPower", m_texAOPower);
m_shader->uniform("texEmissivePower", m_texEmissivePower);
m_shader->uniform("diffuseEnabled", m_diffuseEnabled);
m_shader->uniform("normalEnabled", m_normalEnabled);
m_shader->uniform("specularEnabled", m_specularEnabled);
m_shader->uniform("aoEnabled", m_aoEnabled);
m_shader->uniform("emissiveEnabled", m_emissiveEnabled);
m_shader->uniform("material.Ka", m_matAmbient);
m_shader->uniform("material.Kd", m_matDiffuse);
m_shader->uniform("material.Ks", m_matSpecular);
m_shader->uniform("material.Shininess", m_matShininess);
m_shader->uniform("gamma", m_gamma);
// Enable lights
m_light1->enable();
m_light2->enable();
// Render model
gl::pushModelView();
gl::multModelView(m_matrix);
m_assimpLoader.draw();
gl::popModelView();
// Disable lights
m_light1->disable();
m_light2->disable();
// Unbind shader
m_shader->unbind();
// Unbind textures
gl::disable(m_texDiffuse->getTarget());
// Disable 3D rendering
gl::disableDepthWrite();
gl::disableDepthRead();
// Restore matrices
gl::popMatrices();
// Enable 2D rendering
gl::setMatricesWindow(getWindowSize());
gl::setViewport(getWindowBounds());
// Render parameter window
if(m_params)
m_params->draw();
}
// Render debug information
Debug::get().draw(ColorAf::white());
}
void MeshViewApp::loadConfig(const std::string& fileName, bool isReload)
{
try
{
if (fs::exists(fileName))
m_configFileName = fileName;
else
m_configFileName = getAssetPath(fileName).string();
m_fileMonitorConfig = FileMonitor::create(m_configFileName);
Config cfg(m_configFileName);
m_shaderFileName = cfg.getString("Shader", "FileName");
loadShader(m_shaderFileName);
if (!isReload)
{
m_assimpLoader = AssimpLoader(getAssetPath(cfg.getString("Model", "FileName")), false);
m_assimpLoader.setAnimation(0);
m_assimpLoader.enableTextures(false);
m_assimpLoader.enableSkinning(false);
m_assimpLoader.enableAnimation(false);
m_assimpLoader.enableMaterials(false);
}
cfg.setSection("Textures");
if(m_texDiffuse)
m_texDiffuse = NULL;
if (m_texNormal)
m_texNormal = NULL;
if (m_texSpecular)
m_texSpecular = NULL;
if(m_texAO)
m_texAO = NULL;
if(m_texEmissive)
m_texEmissive = NULL;
m_texDiffusePower = 1.0f;
m_texNormalPower = 1.0f;
m_texSpecularPower = 1.0f;
m_texAOPower = 1.0f;
m_texEmissivePower = 1.0f;
m_diffuseEnabled = false;
m_normalEnabled = false;
m_specularEnabled = false;
m_aoEnabled = false;
m_emissiveEnabled = false;
std::string diffuseFileName = cfg.getString("Diffuse");
if(diffuseFileName != std::string())
{
m_texDiffuse = gl::Texture::create(loadImage(loadAsset(diffuseFileName)));
m_texDiffusePower = cfg.getFloat("DiffusePower");
m_diffuseEnabled = true;
}
std::string normalFileName = cfg.getString("Normal");
if (normalFileName != std::string())
{
m_texNormal = gl::Texture::create(loadImage(loadAsset(normalFileName)));
m_texNormalPower = cfg.getFloat("NormalPower");
m_normalEnabled = true;
}
std::string specularFileName = cfg.getString("Specular");
if (specularFileName != std::string())
{
m_texSpecular = gl::Texture::create(loadImage(loadAsset(specularFileName)));
m_texSpecularPower = cfg.getFloat("SpecularPower");
m_specularEnabled = true;
}
std::string aoFileName = cfg.getString("AO");
if(aoFileName != std::string())
{
m_texAO = gl::Texture::create(loadImage(loadAsset(aoFileName)));
m_texAOPower = cfg.getFloat("AOPower");
m_aoEnabled = true;
}
std::string emissiveFileName = cfg.getString("Emissive");
if(emissiveFileName != std::string())
{
m_texEmissive = gl::Texture::create(loadImage(loadAsset(emissiveFileName)));
m_texEmissivePower = cfg.getFloat("EmissivePower");
m_emissiveEnabled = true;
}
cfg.setSection("Material");
m_matAmbient = cfg.getVec3f("Ambient");
m_matDiffuse = cfg.getVec3f("Diffuse");
m_matSpecular = cfg.getVec3f("Specular");
m_matShininess = cfg.getFloat("Shininess");
m_gamma = cfg.getFloat("Gamma");
}
catch(const std::exception& e)
{
console() << "Failed to load assets:" << std::endl;
console() << e.what();
}
}