/**
* Check whether active unit can still drive,
* otherwise make switch.
*/
void
Controls::checkActive()
{
if (m_active == m_units.end() || !(*m_active)->canDrive()) {
switchActive();
}
}
void GLWidget::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::RightButton || event->button() == Qt::LeftButton) {
lastPoint = event->pos();
dragging = true;
}
if(event->button() == Qt::LeftButton) {
//Picking
//Make sure we sample from the fbo textures
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
//Make sure we are done drawing
glFlush();
glFinish();
//We want to sample the picking buffer
glReadBuffer( GL_COLOR_ATTACHMENT1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
//Make some room for the pixel data and transform into tex coords
unsigned char data[4];
int x = 1024 * (event->x() / (float) width());
int y = 786 * ((height() - event->y()) / (float) height());
;
//Get dem pixorz!
glReadPixels(x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, data);
//Unpack the data into the id
int pickedID = data[0] + data[1] * 256 + data[2] * 256*256;
if(pickedID < 100) { //The background color, have to make this more robust
emit changedActiveId(pickedID);
emit changedCurrent(scene->identify(pickedID));
}
//Leave as before
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
emit switchActive(this);
}
