void play_controller::play_side()
{
    //check for team-specific items in the scenario
    gui_->parse_team_overlays();
    do {
        update_viewing_player();
        {
            save_blocker blocker;
            maybe_do_init_side();
            if(is_regular_game_end()) {
                return;
            }
        }
        // This flag can be set by derived classes (in overridden functions).
        player_type_changed_ = false;

        statistics::reset_turn_stats(gamestate().board_.teams()[current_side() - 1].save_id());

        play_side_impl();

        if(is_regular_game_end()) {
            return;
        }

    } while (player_type_changed_);
    // Keep looping if the type of a team (human/ai/networked)
    // has changed mid-turn
    sync_end_turn();
}
void playsingle_controller::play_side()
{
	//check for team-specific items in the scenario
	gui_->parse_team_overlays();

	maybe_do_init_side();
	if(is_regular_game_end()) {
		return;
	}
			
	//flag used when we fallback from ai and give temporarily control to human
	bool temporary_human = false;
	do {
		//Update viewing team in case it has changed during the loop.
		if(int side_num = play_controller::find_last_visible_team()) {
			if(side_num != this->gui_->viewing_side()) {
				update_gui_to_player(side_num - 1);
			}
		}
		// This flag can be set by derived classes (in overridden functions).
		player_type_changed_ = false;
		if (!skip_next_turn_)
			end_turn_ = END_TURN_NONE;

		statistics::reset_turn_stats(gamestate_.board_.teams()[player_number_ - 1].save_id());

		if((current_team().is_local_human() && current_team().is_proxy_human()) || temporary_human) {
			LOG_NG << "is human...\n";
			temporary_human = false;
			// If a side is dead end the turn, but play at least side=1's
			// turn in case all sides are dead
			if (gamestate_.board_.side_units(player_number_) == 0 && !(gamestate_.board_.units().size() == 0 && player_number_ == 1)) {
				end_turn_ = END_TURN_REQUIRED;
			}

			before_human_turn();
			if (end_turn_ == END_TURN_NONE) {
				play_human_turn();
			}
			if(is_regular_game_end()) {
				return;
			}
			if ( !player_type_changed_ ) {
				after_human_turn();
			}
			LOG_NG << "human finished turn...\n";

		} else if(current_team().is_local_ai() || (current_team().is_local_human() && current_team().is_droid())) {
			try {
				play_ai_turn();
			} catch(fallback_ai_to_human_exception&) {
				// Give control to a human for this turn.
				player_type_changed_ = true;
				temporary_human = true;
			}
			if(is_regular_game_end()) {
				return;
			}
		} else if(current_team().is_network()) {
			play_network_turn();
			if(is_regular_game_end()) {
				return;
			}
		} else if(current_team().is_local_human() && current_team().is_idle()) {
			end_turn_enable(false);
			do_idle_notification();
			before_human_turn();
			if (end_turn_ == END_TURN_NONE) {
				play_idle_loop();
				if(is_regular_game_end()) {
					return;
				}
			}
		}
		else {
			assert(current_team().is_empty()); // Do nothing.
		}

	} while (player_type_changed_);
	// Keep looping if the type of a team (human/ai/networked)
	// has changed mid-turn
	sync_end_turn();
	assert(end_turn_ == END_TURN_SYNCED);
	skip_next_turn_ = false;
}
possible_end_play_signal playsingle_controller::play_side()
{
    //check for team-specific items in the scenario
    gui_->parse_team_overlays();

    HANDLE_END_PLAY_SIGNAL( maybe_do_init_side(false) );

    //flag used when we fallback from ai and give temporarily control to human
    bool temporary_human = false;
    do {
        // This flag can be set by derived classes (in overridden functions).
        player_type_changed_ = false;
        if (!skip_next_turn_)
            end_turn_ = false;

        statistics::reset_turn_stats(gamestate_.board_.teams()[player_number_ - 1].save_id());

        if(current_team().is_human() || temporary_human) {
            LOG_NG << "is human...\n";
            temporary_human = false;
            // If a side is dead end the turn, but play at least side=1's
            // turn in case all sides are dead
            if (gamestate_.board_.side_units(player_number_) != 0
                    || (resources::units->size() == 0 && player_number_ == 1))
            {
                possible_end_play_signal signal = before_human_turn();

                if (!signal) {
                    signal = play_human_turn();
                }

                if (signal) {
                    switch (boost::apply_visitor(get_signal_type(), *signal)) {
                    case END_LEVEL:
                        return signal;
                    case END_TURN:
                        if (int(boost::apply_visitor(get_redo(),*signal)) == player_number_) {
                            player_type_changed_ = true;
                            // If new controller is not human,
                            // reset gui to prev human one
                            if (!gamestate_.board_.teams()[player_number_-1].is_human()) {
                                browse_ = true;
                                int s = find_human_team_before_current_player();
                                if (s <= 0)
                                    s = gui_->playing_side();
                                update_gui_to_player(s-1);
                            }
                        }

                    }
                }
            }

            // Ending the turn commits all moves.
            undo_stack_->clear();
            if ( !player_type_changed_ )
                after_human_turn();
            LOG_NG << "human finished turn...\n";

        } else if(current_team().is_ai()) {
            try {
                play_ai_turn();
            } catch(fallback_ai_to_human_exception&) {
                // Give control to a human for this turn.
                player_type_changed_ = true;
                temporary_human = true;
            } catch (end_level_exception & e) { //Don't know at the moment if these two are possible but can't hurt to add
                return possible_end_play_signal(e.to_struct());
            } catch (end_turn_exception & e) {
                return possible_end_play_signal(e.to_struct());
            }
            if(!player_type_changed_)
            {
                recorder.end_turn();
            }

        } else if(current_team().is_network()) {
            PROPOGATE_END_PLAY_SIGNAL( play_network_turn() );
        } else if(current_team().is_idle()) {
            end_turn_enable(false);
            do_idle_notification();

            possible_end_play_signal signal = before_human_turn();

            if (!signal) {
                signal = play_idle_loop();
            }

            if (signal) {
                switch (boost::apply_visitor(get_signal_type(), *signal)) {
                case END_LEVEL:
                    return signal;
                case END_TURN:
                    LOG_NG << "Escaped from idle state with exception!" << std::endl;
                    if (int(boost::apply_visitor(get_redo(), *signal)) == player_number_) {
                        player_type_changed_ = true;
                        // If new controller is not human,
                        // reset gui to prev human one
                        if (!gamestate_.board_.teams()[player_number_-1].is_human()) {
                            browse_ = true;
                            int s = find_human_team_before_current_player();
                            if (s <= 0)
                                s = gui_->playing_side();
                            update_gui_to_player(s-1);
                        }
                    }
                }
            }
        }

        // Else current_team().is_empty(), so do nothing.

    } while (player_type_changed_);
    // Keep looping if the type of a team (human/ai/networked)
    // has changed mid-turn
    skip_next_turn_ = false;
    return boost::none;
}