// may stop the player, shuts down the serial if it's open, then calls shutdown_player for player-specific stuff void ldp::pre_shutdown() { if (player_initialized) { // if stop on quit has been requested stop the player from playing if (m_stop_on_quit) { pre_stop(); } // if serial has been initialized, shut it down now if (serial_initialized) { serial_close(); serial_initialized = false; } shutdown_player(); player_initialized = false; } // else we were never initialized }
/* the main game function */ static int play_game() { ALLEGRO_TIMER *inc_counter; int gameover = 0; int cyclenum = 0; /* init */ score = 0; init_view(); init_player(); init_badguys(); init_bullets(); init_explode(); init_message(); #define TIMER_SPEED ALLEGRO_BPS_TO_SECS(30*(cyclenum+2)) inc_counter = al_create_timer(TIMER_SPEED); al_start_timer(inc_counter); while (!gameover) { /* move everyone */ while ((al_get_timer_count(inc_counter) > 0) && (!gameover)) { update_view(); update_bullets(); update_explode(); update_message(); if (update_badguys()) { if (advance_view()) { cyclenum++; al_set_timer_count(inc_counter, 0); lay_attack_wave(TRUE); advance_player(TRUE); } else { lay_attack_wave(FALSE); advance_player(FALSE); } } gameover = update_player(); al_set_timer_count(inc_counter, al_get_timer_count(inc_counter)-1); } /* take a screenshot? */ if (key[ALLEGRO_KEY_PRINTSCREEN]) { static int ss_count = 0; char fname[80]; sprintf(fname, "speed%03d.tga", ++ss_count); al_save_bitmap(fname, al_get_backbuffer(screen)); while (key[ALLEGRO_KEY_PRINTSCREEN]) poll_input_wait(); al_set_timer_count(inc_counter, 0); } /* toggle fullscreen window */ if (key[ALLEGRO_KEY_F]) { int flags = al_get_display_flags(screen); al_set_display_flag(screen, ALLEGRO_FULLSCREEN_WINDOW, !(flags & ALLEGRO_FULLSCREEN_WINDOW)); while (key[ALLEGRO_KEY_F]) poll_input_wait(); } /* draw everyone */ draw_view(); } /* cleanup */ al_destroy_timer(inc_counter); shutdown_view(); shutdown_player(); shutdown_badguys(); shutdown_bullets(); shutdown_explode(); shutdown_message(); if (gameover < 0) { sfx_ping(1); return FALSE; } return TRUE; }