Method update_scene

src/world/world.cpp:330–556

}

void World::update_scene(f32 dt)
{
	// Process animation events
	{
		EventStream &events = _animation_state_machine->_events;
		const u32 size = array::size(events);
		u32 read = 0;
		while (read < size) {
			const EventHeader *eh = (EventHeader *)&events[read];
			const char *data = (char *)&eh[1];

			read += sizeof(*eh) + eh->size;

			switch (eh->type) {
			case 0: {
				const SpriteFrameChangeEvent &ptev = *(SpriteFrameChangeEvent *)data;
				const SpriteId si = _render_world->sprite_instance(ptev.unit);
				_render_world->sprite_set_frame(si, ptev.frame_num);
				break;
			}

			default:
				CE_FATAL("Unknown event type");
				break;
			}
		}
		array::clear(events);
	}

	_scene_graph->get_changed(_changed_units, _changed_world);

	_physics_world->update_actor_world_poses(array::begin(_changed_units)
		, array::end(_changed_units)
		, array::begin(_changed_world)
		);

	_physics_world->update(dt);

	// Process physics transform events.
	{
		EventStream &events = _physics_world->events();
		const u32 size = array::size(events);
		u32 read = 0;
		while (read < size) {
			const EventHeader *eh = (EventHeader *)&events[read];
			const char *data = (char *)&eh[1];

			read += sizeof(*eh) + eh->size;

			switch (eh->type) {
			case EventType::PHYSICS_TRANSFORM: {
				const PhysicsTransformEvent &ptev = *(PhysicsTransformEvent *)data;
				const TransformId ti = _scene_graph->instance(ptev.unit_id);
				if (is_valid(ti)) // User code may have destroyed the actor
					_scene_graph->set_world_pose_and_rescale(ti, ptev.world);
				break;
			}