void RDirNode::updateFilesVBO(quadbuf& buffer, float dt) const{
if(in_frustum) {
for(std::list<RFile*>::const_iterator it = files.begin(); it!=files.end(); it++) {
RFile* f = *it;
if(f->isHidden()) continue;
vec3 col = f->getColour();
float alpha = f->getAlpha();
buffer.add(f->graphic->textureid, f->getAbsolutePos() - f->dims*0.5f, f->dims, vec4(col.x, col.y, col.z, alpha));
}
}
for(std::list<RDirNode*>::const_iterator it = children.begin(); it != children.end(); it++) {
RDirNode* node = (*it);
node->updateFilesVBO(buffer,dt);
}
}
void RDirNode::calcColour() {
// make branch brighter if recently accessed
float brightness = std::max(0.6f, 1.0f - std::min(1.0f, since_last_node_change / 3.0f));
col = vec4f(brightness, brightness, brightness, 1.0);
int fcount = 0;
for(std::list<RFile*>::iterator it = files.begin(); it != files.end(); it++) {
RFile* file = (*it);
if(file->isHidden()) continue;;
vec3f filecol = file->getColour() * brightness;
float a = file->getAlpha();
col += vec4f(filecol.x, filecol.y, filecol.z, a);
fcount++;
}
this->col /= (float) fcount + 1.0f;
}