void LifeForm::handle_event(const SDL_Event &event)
{
auto world = m_world.lock();
if (!world) {
return;
}
if (event.type == SDL_MOUSEBUTTONDOWN) {
if (event.button.button == SDL_BUTTON_LEFT) {
const WorldRect viewport(world->get_viewport());
WorldPosition pos = get_pos();
WorldRect rect((int32_t)round(pos.x) - width/2,
(int32_t)round(pos.y) - height/2,
width, height);
if (rect.contains(WorldPoint(event.button.x + viewport.x, event.button.y + viewport.y))) {
set_focused(true);
} else {
set_focused(false);
}
} else if (focused() && event.button.button == SDL_BUTTON_RIGHT) {
// Cancel m_lifeform's commands
while (!m_commands.empty()) {
m_commands.pop();
}
const WorldRect viewport(world->get_viewport());
for (auto pt : world->get_path(get_pos(), WorldPosition(event.button.x + viewport.x,
event.button.y + viewport.y))) {
m_commands.emplace(new MoveCommand(this, WorldPosition(pt.x, pt.y)));
}
}
}
}
// Assumes that the extents for the current tree have been set and the items belonging
// to this level are in m_objects.
void PopulateSubTrees()
{
// Create children trees.
WorldPoint mid = m_p0 + (m_p1-m_p0)/2.0;
Octree<T>* boxes[8];
boxes[0] = new Octree<T>(m_objects.begin(), m_objects.end(), m_minObjects,
WorldPoint(m_p0.x()-.001, m_p0.y()-.001, m_p0.z()-.001), WorldPoint(mid.x()+.001, mid.y()+.001, mid.z()+.001));
boxes[1] = new Octree<T>(m_objects.begin(), m_objects.end(), m_minObjects,
WorldPoint(mid.x()-.001, m_p0.y()-.001, m_p0.z()-.001), WorldPoint(m_p1.x()+.001, mid.y()+.001, mid.z()+.001));
boxes[2] = new Octree<T>(m_objects.begin(), m_objects.end(), m_minObjects,
WorldPoint(m_p0.x()-.001, mid.y()-.001, m_p0.z()-.001), WorldPoint(mid.x()+.001, m_p1.y()+.001, mid.z()+.001));
boxes[3] = new Octree<T>(m_objects.begin(), m_objects.end(), m_minObjects,
WorldPoint(mid.x()-.001, mid.y()-.001, m_p0.z()-.001), WorldPoint(m_p1.x()+.001, m_p1.y()+.001, mid.z()+.001));
boxes[4] = new Octree<T>(m_objects.begin(), m_objects.end(), m_minObjects,
WorldPoint(m_p0.x()-.001, m_p0.y()-.001, mid.z()-.001), WorldPoint(mid.x()+.001, mid.y()+.001, m_p1.z()+.001));
boxes[5] = new Octree<T>(m_objects.begin(), m_objects.end(), m_minObjects,
WorldPoint(mid.x()-.001, m_p0.y()-.001, mid.z()-.001), WorldPoint(m_p1.x()+.001, mid.y()+.001, m_p1.z()+.001));
boxes[6] = new Octree<T>(m_objects.begin(), m_objects.end(), m_minObjects,
WorldPoint(m_p0.x()-.001, mid.y()-.001, mid.z()-.001), WorldPoint(mid.x()+.001, m_p1.y()+.001, m_p1.z()+.001));
boxes[7] = new Octree<T>(m_objects.begin(), m_objects.end(), m_minObjects,
WorldPoint(mid.x()-.001, mid.y()-.001, mid.z()-.001), WorldPoint(m_p1.x()+.001, m_p1.y()+.001, m_p1.z()+.001));
for(unsigned int i = 0; i < 8; ++i)
{
if( boxes[i]->GetNumObjects() > 0 )
{
m_children.push_back(boxes[i]);
}
else
{
delete boxes[i];
}
}
}