void Channel::frameDraw(const eq::uint128_t &frame_id)
{
// Setup OpenGL state (view frustum etc.)
eq::Channel::frameDraw(frame_id);
// Get data
const Config *config = static_cast<Config *>(getConfig());
const Node *node = static_cast<Node *>(getNode());
const InitData &init_data = node->getInitData();
const Pipe *pipe = static_cast<Pipe *>(getPipe());
const FrameData &frame_data = pipe->getFrameData();
Window *window = static_cast<Window *>(getWindow());
Ogre::Camera *cam = pipe->_ogre->getCamera();
// Set the projection matrix
const eq::Frustumf & frustum = getFrustum();
cam->setCustomProjectionMatrix(true, toOgreMatrix(frustum.compute_matrix()));
const eq::Matrix4f eqViewMatrix = getHeadTransform();
// Adjust the view matrix according to equalizer's view matrix
Ogre::Matrix4 ogreViewMatrix = toOgreMatrix(eqViewMatrix);
cam->setCustomViewMatrix(true, ogreViewMatrix);
cam->setNearClipDistance(frustum.near_plane());
cam->setFarClipDistance(frustum.far_plane());
// Set the viewport
eq::PixelViewport winPvp = window->getPixelViewport();
eq::PixelViewport pvp = getPixelViewport();
window->setViewport((float)pvp.x/(float)winPvp.w,
1.0f - (float)(pvp.h + pvp.y)/(float)winPvp.h,
(float)pvp.w/(float)winPvp.w,
(float)pvp.h/(float)winPvp.h);
// Render
window->render();
}
int initOgreAR(aruco::CameraParameters camParams, unsigned char* buffer, std::string resourcePath)
{
/// INIT OGRE FUNCTIONS
#ifdef _WIN32
root = new Ogre::Root(resourcePath + "plugins_win.cfg", resourcePath + "ogre_win.cfg");
#elif __x86_64__ || __ppc64__
root = new Ogre::Root(resourcePath + "plugins_x64.cfg", resourcePath + "ogre.cfg");
#else
root = new Ogre::Root(resourcePath + "plugins.cfg", resourcePath + "ogre.cfg");
#endif
if (!root->showConfigDialog()) return -1;
Ogre::SceneManager* smgr = root->createSceneManager(Ogre::ST_GENERIC);
/// CREATE WINDOW, CAMERA AND VIEWPORT
Ogre::RenderWindow* window = root->initialise(true);
Ogre::Camera *camera;
Ogre::SceneNode* cameraNode;
camera = smgr->createCamera("camera");
camera->setNearClipDistance(0.01f);
camera->setFarClipDistance(10.0f);
camera->setProjectionType(Ogre::PT_ORTHOGRAPHIC);
camera->setPosition(0, 0, 0);
camera->lookAt(0, 0, 1);
double pMatrix[16];
camParams.OgreGetProjectionMatrix(camParams.CamSize,camParams.CamSize, pMatrix, 0.05,10, false);
Ogre::Matrix4 PM(pMatrix[0], pMatrix[1], pMatrix[2] , pMatrix[3],
pMatrix[4], pMatrix[5], pMatrix[6] , pMatrix[7],
pMatrix[8], pMatrix[9], pMatrix[10], pMatrix[11],
pMatrix[12], pMatrix[13], pMatrix[14], pMatrix[15]);
camera->setCustomProjectionMatrix(true, PM);
camera->setCustomViewMatrix(true, Ogre::Matrix4::IDENTITY);
window->addViewport(camera);
cameraNode = smgr->getRootSceneNode()->createChildSceneNode("cameraNode");
cameraNode->attachObject(camera);
/// CREATE BACKGROUND FROM CAMERA IMAGE
int width = camParams.CamSize.width;
int height = camParams.CamSize.height;
// create background camera image
mPixelBox = Ogre::PixelBox(width, height, 1, Ogre::PF_R8G8B8, buffer);
// Create Texture
mTexture = Ogre::TextureManager::getSingleton().createManual("CameraTexture",Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D,width,height,0,Ogre::PF_R8G8B8,Ogre::TU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
//Create Camera Material
Ogre::MaterialPtr material = Ogre::MaterialManager::getSingleton().create("CameraMaterial", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
Ogre::Technique *technique = material->createTechnique();
technique->createPass();
material->getTechnique(0)->getPass(0)->setLightingEnabled(false);
material->getTechnique(0)->getPass(0)->setDepthWriteEnabled(false);
material->getTechnique(0)->getPass(0)->createTextureUnitState("CameraTexture");
Ogre::Rectangle2D* rect = new Ogre::Rectangle2D(true);
rect->setCorners(-1.0, 1.0, 1.0, -1.0);
rect->setMaterial("CameraMaterial");
// Render the background before everything else
rect->setRenderQueueGroup(Ogre::RENDER_QUEUE_BACKGROUND);
// Hacky, but we need to set the bounding box to something big, use infinite AAB to always stay visible
Ogre::AxisAlignedBox aabInf;
aabInf.setInfinite();
rect->setBoundingBox(aabInf);
// Attach background to the scene
Ogre::SceneNode* node = smgr->getRootSceneNode()->createChildSceneNode("Background");
node->attachObject(rect);
/// CREATE SIMPLE OGRE SCENE
// add sinbad.mesh
Ogre::ResourceGroupManager::getSingleton().addResourceLocation(resourcePath + "Sinbad.zip", "Zip", "Popular");
Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
for(int i=0; i<MAX_MARKERS; i++) {
Ogre::String entityName = "Marker_" + Ogre::StringConverter::toString(i);
Ogre::Entity* ogreEntity = smgr->createEntity(entityName, "Sinbad.mesh");
Ogre::Real offset = ogreEntity->getBoundingBox().getHalfSize().y;
ogreNode[i] = smgr->getRootSceneNode()->createChildSceneNode();
// add entity to a child node to correct position (this way, entity axis is on feet of sinbad)
Ogre::SceneNode *ogreNodeChild = ogreNode[i]->createChildSceneNode();
ogreNodeChild->attachObject(ogreEntity);
// Sinbad is placed along Y axis, we need to rotate to put it along Z axis so it stands up over the marker
// first rotate along X axis, then add offset in Z dir so it is over the marker and not in the middle of it
ogreNodeChild->rotate(Ogre::Vector3(1,0,0), Ogre::Radian(Ogre::Degree(90)));
ogreNodeChild->translate(0,0,offset,Ogre::Node::TS_PARENT);
// mesh is too big, rescale!
const float scale = 0.006675f;
ogreNode[i]->setScale(scale, scale, scale);
// Init animation
ogreEntity->getSkeleton()->setBlendMode(Ogre::ANIMBLEND_CUMULATIVE);
if(i==0)
{
baseAnim[i] = ogreEntity->getAnimationState("HandsClosed");
topAnim[i] = ogreEntity->getAnimationState("HandsRelaxed");
}
else if(i==1)
{
baseAnim[i] = ogreEntity->getAnimationState("Dance");
topAnim[i] = ogreEntity->getAnimationState("Dance");
}
else if(i==2)
{
baseAnim[i] = ogreEntity->getAnimationState("RunBase");
topAnim[i] = ogreEntity->getAnimationState("RunTop");
}
else
{
baseAnim[i] = ogreEntity->getAnimationState("IdleBase");
topAnim[i] = ogreEntity->getAnimationState("IdleTop");
}
baseAnim[i]->setLoop(true);
topAnim[i]->setLoop(true);
baseAnim[i]->setEnabled(true);
topAnim[i]->setEnabled(true);
}
/// KEYBOARD INPUT READING
size_t windowHnd = 0;
window->getCustomAttribute("WINDOW", &windowHnd);
im = OIS::InputManager::createInputSystem(windowHnd);
keyboard = static_cast<OIS::Keyboard*>(im->createInputObject(OIS::OISKeyboard, true));
return 1;
}