void key_handler(unsigned int key, t_entlist *l, int *running)
{
if (key == K_ENT)
{
clean_screen(l);
*running = 0;
}
else
{
if (key == K_ESC)
quit(l);
else if (key == K_DOWN)
go_down(l);
else if (key == K_UP)
go_up(l);
else if (key == K_RIGHT)
go_right(l);
else if (key == K_LEFT)
go_left(l);
else if (key == K_DEL || key == K_BKSPC)
delete_key(l);
else
special_keys(key, l);
}
}
/**
* The main loop of game
* @return TRUE if it completed successfully or FALSE otherwise
*/
bool
update_frame (void)
{
spaceship_struct *ship = spaceship_get ();
#ifdef DEVELOPPEMENT
/* 1 = phase grid editor enable (don't work) */
static bool grid_editor = FALSE;
#endif
/* global frame counter */
global_counter++;
/* play start and congratulations animations files
* ("movie_congratulation.gca" and "movie_introduction.gca") */
if (movie_playing_switch != MOVIE_NOT_PLAYED)
{
if (!movie_player ())
{
LOG_ERR ("movie_player() failed!");
return FALSE;
}
else
{
return TRUE;
}
}
display_clear_offscreen ();
#ifdef __EMSCRIPTEN__
lock_surface_game ();
lock_surface_options ();
lock_surface_scores ();
#endif
/* restores the level of energy of the player spaceship */
spaceship_energy_restore ();
/* phase grid and curve phase editor (don't work) */
#ifdef DEVELOPPEMENT
if (grid_editor || curve_editor_enable)
{
if (grid_editor)
{
Grid_Edit ();
}
else
{
courbe_editeur ();
}
}
else
#endif
/* pause or main menu enable */
if (!player_pause && menu_status == MENU_OFF &&
menu_section == NO_SECTION_SELECTED)
{
/*
* handle the phases of the game
*/
/* phase 2: grids (enemy wave like Space Invaders) */
grid_handle ();
/* phase 1: curves (little skirmish) */
curve_phase ();
/* phase 3: meteor storm */
meteors_handle ();
}
/* draw the starfield background */
starfield_handle ();
/* handle bonus: green, red, yellow, blue and purple gems */
bonus_handle ();
/* handle protection satellites and extra gun of the player spaceship */
if (!gameover_enable && menu_section == NO_SECTION_SELECTED)
{
/* orbital protection satellites gravitate around player's spaceship */
satellites_handle ();
/* extra gun positioned on the sides */
guns_handle ();
}
/* handle enemies */
if (!is_congratulations_enabled)
{
/* handling of all the possible types of enemies */
enemies_handle ();
}
else
{
/* congratulations, end of the game */
congratulations ();
}
/* spaceship temporary invincibility */
spaceship_invincibility ();
/* handle the powerful electrical shocks */
electrical_shock ();
/* draw the player's spaceship */
spaceship_draw ();
/* handle explosions */
explosions_handle ();
/* handle shots */
shots_handle ();
/* wait until all enemies are dead before jumping on next phase */
if (num_of_enemies == 0 && !player_pause && menu_status == MENU_OFF
&& menu_section == NO_SECTION_SELECTED)
{
/* end of a guardian phase? */
if (!guardian_finished ())
{
LOG_ERR ("guardian_finished() failed!");
return FALSE;
}
/* check if curve phase is finished */
curve_finished ();
/* check if grid phase is finished */
grid_finished ();
/* check if meteors phase is finished */
if (!meteors_finished ())
{
LOG_ERR ("meteors_finished failed!");
return FALSE;
}
}
/* display pixel mouse pointer */
#ifdef DEVELOPPEMENT
if (mouse_here)
{
put_pixel (game_offscreen, mouse_x, mouse_y, 5);
}
#endif
/* draw powerful circular shock wave propagated by the player spaceship */
shockwave_draw ();
/* animations of the options box on the right options panel */
option_execution ();
/* handle high score table, game over, about and order sections */
menu_sections_run ();
/* display "PAUSE" chars sprites */
if (is_pause_draw)
{
text_pause_draw ();
}
/* player's spaceship come */
if (spaceship_appears_count > 0)
{
spaceship_appears_count--;
/* accelerate the speed of the starfield */
starfield_speed += 0.028f;
if (starfield_speed > 2.0)
{
starfield_speed = 2.0;
}
/* invincibility time */
spaceship_set_invincibility (SPACESHIP_INVINCIBILITY_TIME / 3);
}
/* player's spaceship disappearing to the bottom of the screen. */
if (spaceship_disappears && is_congratulations_enabled == 0)
{
/* decelerate the speed of the starfield */
starfield_speed -= 0.02f;
if (starfield_speed <= 0.0)
{
starfield_speed = 0.0;
ship->y_speed = 0.0;
}
else
{
/* accelerate the speed of the spaceship */
ship->y_speed += -0.15f;
}
}
/* display number level */
text_level_draw ();
/* display scrolltext in the main menu */
scrolltext_handle ();
/* handle the main menu of Powermanga */
menu_handle ();
/* [F1] spaceship_appears / [F2] spaceship disappears */
#ifdef DEVELOPPEMENT
if (keys_down[K_F1])
{
spaceship_disappears = 1;
}
if (keys_down[K_F2] && starfield_speed == 0.0)
{
spaceship_show ();
}
#endif
/* handle "TLK Games" sprite logo */
if (tlk_logo_is_move)
{
draw_bitmap (&logotlk[tlk_logo_image_index], tlk_logo_xcoord,
tlk_logo_ycoord);
if (tlk_logo_is_next_image)
{
tlk_logo_image_index++;
if (tlk_logo_image_index >= TLKLOGO_MAXOF_IMAGES)
{
tlk_logo_image_index = 0;
}
tlk_logo_is_next_image = FALSE;
tlk_logo_ycoord--;
}
else
{
tlk_logo_is_next_image = TRUE;
}
if (tlk_logo_ycoord <= 32)
{
tlk_logo_is_move = FALSE;
}
}
/* display text overlay (about, cheats menu and variables) */
text_overlay_draw ();
/* handle the loss and the regression of the spaceship or cause game over */
spaceship_downgrading ();
/* handle spaceship's energy level */
energy_gauge_spaceship_update ();
/* handle guardian's energy level */
energy_gauge_guardian_update ();
/* draw player's score into the top panel */
text_draw_score ();
#ifdef DEVELOPPEMENT
if (keys_down[K_E] && keys_down[K_G])
{
/* [e]+[g] = enable the grid editor */
grid_editor = 1;
}
if (keys_down[K_E] && keys_down[K_C])
{
/* [e]+[c] enable the curve editor */
curve_editor_enable = 1;
}
/* [p]+[g] back to the game */
if (keys_down[K_P] && keys_down[K_G])
{
grid_editor = 0;
curve_editor_enable = 0;
}
#endif
/* control the spaceship movements */
if (!player_pause && !gameover_enable && menu_status == MENU_OFF
&& menu_section == NO_SECTION_SELECTED)
{
spaceship_control_movements ();
}
/* [P] or [Pause] enable/disable pause */
if (!keys_down[K_CTRL] && (keys_down[K_P] || keys_down[K_PAUSE]))
{
toggle_pause ();
}
keys_down[K_P] = FALSE;
keys_down[K_PAUSE] = FALSE; /* clear flag pause key */
/* switch between full screen and windowed mode */
#ifdef POWERMANGA_SDL
if ((keys_down[K_F] && !is_playername_input ()
&& menu_section != SECTION_ORDER) || keys_down[K_F11])
{
if (power_conf->fullscreen)
{
power_conf->fullscreen = FALSE;
}
else
{
power_conf->fullscreen = TRUE;
}
init_video_mode ();
}
keys_down[K_F] = FALSE;
keys_down[K_F11] = FALSE;
#endif
/* control the speed of the spaceship */
spaceship_speed_control ();
/* cheat code keys */
#ifdef UNDER_DEVELOPMENT
special_keys ();
#endif
/* handle weapon's player spaceship */
#ifdef DEVELOPPEMENT
if (!grid_editor && !curve_editor_enable && !spaceship_is_dead
&& !player_pause && menu_status == MENU_OFF
&& menu_section == NO_SECTION_SELECTED)
#else
if (!spaceship_is_dead && !player_pause && menu_status == MENU_OFF
&& menu_section == NO_SECTION_SELECTED)
#endif
{
spaceship_weapons ();
}
#ifdef __EMSCRIPTEN__
unlock_surface_scores ();
unlock_surface_options ();
unlock_surface_game ();
#endif
return TRUE;
}
