void Composition::draw(ofCamera *camera, float alpha)
{
multimap<float,AVLayer*> work;
for(vector<AVLayer*>::iterator layer = active_layers_.begin(); layer != active_layers_.end(); ++layer) {
AVLayer *l = *layer;
if(l->getOpacity() == 0) {
continue;
}
if(l->is3D()) {
ofVec3f dist = (*layer)->getNode().getWorldMatrix()->getTranslation();
if(camera) {
dist = camera->worldToCamera(dist);
dist.z = -dist.z;
}
work.insert(pair<float,AVLayer*>(dist.z, l));
}
else {
if(!work.empty()) {
if(camera) {
camera->begin();
}
for(multimap<float,AVLayer*>::iterator w = work.begin(); w != work.end(); ++w) {
(*w).second->draw(alpha);
}
work.clear();
if(camera) {
camera->end();
}
}
l->draw(alpha);
}
}
if(!work.empty()) {
if(camera) {
camera->begin();
}
for(multimap<float,AVLayer*>::iterator w = work.begin(); w != work.end(); ++w) {
(*w).second->draw(alpha);
}
work.clear();
if(camera) {
camera->end();
}
}
}
void Loader::setupAVLayerJson(AVLayer& layer, const ofJson& json)
{
const ofJson& properties = json["property"];
layer.allocate(json.value("width", 1), json.value("height", 1));
layer.is_3d_ = json.value("is3d", false);
layer.is_collapse_ = json.value("isCollapse", false);
const string& blend_mode = json.value("blendingMode", "none");
if(blend_mode == "none") { layer.blend_mode_ = OF_BLENDMODE_ALPHA; }
if(blend_mode == "add") { layer.blend_mode_ = OF_BLENDMODE_ADD; }
if(blend_mode == "subtract") { layer.blend_mode_ = OF_BLENDMODE_SUBTRACT; }
setupLayerJson(layer, json);
auto masks = properties.find("mask");
if(masks != end(properties) && masks->is_array()) {
int mask_count = masks->size();
for(int i = 0; i < mask_count; ++i) {
setupMaskJson(*layer.addNewMask("mask"+ofToString(i,2,'0')), (*masks)[i], ofVec2f(layer.getWidth(),layer.getHeight()));
}
}
}
void Composition::update()
{
bool use_time = is_time_updating_||ofGetTargetFrameRate()==0;
int frame = frame_.update(use_time?ofGetLastFrameTime()*frame_rate_:frame_rate_/ofGetTargetFrameRate());
active_layers_.clear();
for(vector<AVLayer*>::iterator layer = av_.begin(); layer != av_.end(); ++layer) {
AVLayer *l = *layer;
l->setPropertyFrame(frame);
if(l->isActive()) {
l->update();
active_layers_.push_back(l);
}
}
active_camera_ = NULL;
for(vector<CameraLayer*>::iterator camera = camera_.begin(); camera != camera_.end(); ++camera) {
CameraLayer *c = *camera;
c->setPropertyFrame(frame);
if(c->isActive()) {
c->update();
if(!active_camera_) {
active_camera_ = c;
}
}
}
if(active_camera_) {
active_camera_->prepare();
}
for(vector<MarkerWrapper>::iterator marker = marker_.begin(); marker != marker_.end(); ++marker) {
MarkerWrapper &m = *marker;
m.is_in_prev = m.is_in;
int from = m.ptr->getFrom();
int to = from + m.ptr->getLength()-1;
m.is_in = (m.ptr->getFrom() <= frame) && (frame <= from + m.ptr->getLength()-1);
}
}
void Composition::update()
{
CameraLayer *active_camera = NULL;
for(vector<CameraLayer*>::iterator camera = camera_.begin(); camera != camera_.end(); ++camera) {
if((*camera)->isActive()) {
(*camera)->update();
if(!active_camera) {
active_camera = *camera;
}
}
}
vector<AVLayer*> active;
for(vector<AVLayer*>::iterator layer = av_.begin(); layer != av_.end(); ++layer) {
AVLayer *l = *layer;
if(l->isActive()) {
l->update();
active.push_back(l);
}
}
fbo_.begin();
ofClear(0);
multimap<float,AVLayer*> work;
for(vector<AVLayer*>::iterator layer = active.begin(); layer != active.end(); ++layer) {
AVLayer *l = *layer;
if(l->is3D()) {
ofVec3f dist = (*layer)->getNode().getWorldMatrix()->getTranslation();
if(active_camera) {
dist = active_camera->worldToCamera(dist);
dist.z = -dist.z;
}
work.insert(pair<float,AVLayer*>(dist.z, l));
}
else {
if(!work.empty()) {
if(active_camera) {
active_camera->begin();
}
for(multimap<float,AVLayer*>::iterator w = work.begin(); w != work.end(); ++w) {
(*w).second->draw();
}
work.clear();
if(active_camera) {
active_camera->end();
}
}
l->draw();
}
}
if(!work.empty()) {
if(active_camera) {
active_camera->begin();
}
for(multimap<float,AVLayer*>::iterator w = work.begin(); w != work.end(); ++w) {
(*w).second->draw();
}
work.clear();
if(active_camera) {
active_camera->end();
}
}
fbo_.end();
}
