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menu.c
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#include <menu.h>
SDL_Surface *background = NULL;
SDL_Surface *menu_box = NULL;
SDL_Surface *team_box = NULL;
SDL_Surface *select_field = NULL;
SDL_Surface *volume_bar = NULL;
SDL_Surface *volume_controller = NULL;
SDL_Surface *toggle_off = NULL;
SDL_Surface *toggle_on = NULL;
SDL_Surface *loading_screen = NULL;
SDL_Surface *loading_screen_text = NULL;
static const SDL_Color loading_screen_color = {200, 200, 200};
Mix_Chunk *toggle_sound = NULL;
Mix_Chunk *select_sound = NULL;
Mix_Chunk *abort_sound = NULL;
TTF_Font *menu_font = NULL;
static const SDL_Color menu_color = {45, 35, 35};
/* menu text surfaces */
static new_menu_list main_menu;
static new_menu_list game_menu;
static new_menu_list setting_menu;
static new_menu_list map_menu;
static new_menu_list character_menu;
static int count_directory(const char *path)
{
int counter = 0;
DIR *program_dir = NULL;
struct dirent *dir_pointer = NULL;
if((program_dir = opendir(path)) != NULL)
{
while((dir_pointer = readdir(program_dir)) != NULL)
{
if(dir_pointer->d_name[0] != '.')
counter++;
}
closedir(program_dir);
}
return counter;
}
static void set_buttons(SDL_Surface *screen, const int player)
{
SDL_Rect background_src = {(int)(background->w/2 - screen->w/2), (int)(background->h/2 - screen->h/2), screen->w, screen->h};
SDL_Rect menu_box_dest = {(int)(screen->w/2 - menu_box->w/2), (int)(screen->h - menu_box->h * 1.2), 0, 0};
SDL_Surface *cache_text = NULL;
SDL_Rect cache_text_dest = {(int)(screen->w/2 - menu_box->w/2), (int)(screen->h - menu_box->h * 1.2 + select_field->h * 2), 0, 0};
SDL_Event cache_event;
int counter = 0;
while(counter < BUTTON_MAX)
{
SDL_FreeSurface(cache_text);
/* set menu text */
if(counter == BUTTON_LEFT)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button Left...", menu_color);
else if(counter == BUTTON_RIGHT)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button Right...", menu_color);
else if(counter == BUTTON_UP)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button Up...", menu_color);
else if(counter == BUTTON_DOWN)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button Down...", menu_color);
else if(counter == BUTTON_1)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button 1...", menu_color);
else if(counter == BUTTON_2)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button 2...", menu_color);
else if(counter == BUTTON_3)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button 3...", menu_color);
else if(counter == BUTTON_4)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button 4...", menu_color);
else if(counter == BUTTON_5)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button 5...", menu_color);
else if(counter == BUTTON_6)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button 6...", menu_color);
else if(counter == BUTTON_7)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button 7...", menu_color);
else if(counter == BUTTON_8)
cache_text = TTF_RenderText_Blended(menu_font, "Press Button 8...", menu_color);
else if(counter == BUTTON_PAUSE)
cache_text = TTF_RenderText_Blended(menu_font, "Press Pause Button...", menu_color);
else if(counter == BUTTON_OK)
cache_text = TTF_RenderText_Blended(menu_font, "Press OK Button...", menu_color);
else
cache_text = TTF_RenderText_Blended(menu_font, "Press Abort Button...", menu_color);
/* blit everything */
SDL_BlitSurface(background, &background_src, screen, NULL);
SDL_BlitSurface(menu_box, NULL, screen, &menu_box_dest);
cache_text_dest.x = (int)(screen->w/2 - cache_text->w/2);
SDL_BlitSurface(cache_text, NULL, screen, &cache_text_dest);
SDL_Flip(screen);
/* avoid to read in axis button up */
if(cache_event.type == SDL_JOYAXISMOTION)
SDL_WaitEvent(&cache_event);
SDL_WaitEvent(&cache_event);
if(cache_event.type != SDL_KEYDOWN && cache_event.type != SDL_JOYBUTTONDOWN && cache_event.type != SDL_JOYAXISMOTION)
continue;
Mix_PlayChannel(-1, toggle_sound, 0);
hard_set_button_state(player, counter, cache_event);
counter++;
}
SDL_FreeSurface(cache_text);
}
int load_menu()
{
int counter;
char cache_string[1024];
DIR *program_dir = NULL;
struct dirent *dir_pointer = NULL;
/* load graphics */
if((background = load_image("gui/background.png")) == NULL)
return -1;
if((menu_box = load_image("gui/menu_box.png")) == NULL)
return -1;
if((team_box = load_image("gui/team_box.png")) == NULL)
return -1;
if((select_field = load_image("gui/select_field.png")) == NULL)
return -1;
if((volume_bar = load_image("gui/volume_bar.png")) == NULL)
return -1;
if((volume_controller = load_image("gui/volume_controller.png")) == NULL)
return -1;
if((toggle_off = load_image("gui/toggle_off.png")) == NULL)
return -1;
if((toggle_on = load_image("gui/toggle_on.png")) == NULL)
return -1;
if((loading_screen = load_image("gui/loading_screen.png")) == NULL)
return -1;
/* load sounds */
if((toggle_sound = Mix_LoadWAV("gui/toggle.wav")) == NULL)
return -1;
if((select_sound = Mix_LoadWAV("gui/select.wav")) == NULL)
return -1;
if((abort_sound = Mix_LoadWAV("gui/abort.wav")) == NULL)
return -1;
/* load font */
if((menu_font = TTF_OpenFont("amiri-regular.ttf", 30)) == NULL)
return -1;
loading_screen_text = TTF_RenderText_Blended(menu_font, "Loading...", loading_screen_color);
/* main menu */
main_menu.list_items = MAIN_MENU_ITEMS;
if((main_menu.list = malloc(sizeof(struct menu_item) * main_menu.list_items)) == NULL)
return -1;
main_menu.list[0].text_surface = TTF_RenderText_Blended(menu_font, "2 Player Game", menu_color);
main_menu.list[1].text_surface = TTF_RenderText_Blended(menu_font, "3 Player Game", menu_color);
main_menu.list[2].text_surface = TTF_RenderText_Blended(menu_font, "4 Player Game", menu_color);
main_menu.list[3].text_surface = TTF_RenderText_Blended(menu_font, "Options", menu_color);
main_menu.list[4].text_surface = TTF_RenderText_Blended(menu_font, "Exit Game", menu_color);
/* in game menu */
game_menu.list_items = GAME_MENU_ITEMS;
if((game_menu.list = malloc(sizeof(struct menu_item) * game_menu.list_items)) == NULL)
return -1;
game_menu.list[0].text_surface = TTF_RenderText_Blended(menu_font, "Continue", menu_color);
game_menu.list[1].text_surface = TTF_RenderText_Blended(menu_font, "Restart Battle", menu_color);
game_menu.list[2].text_surface = TTF_RenderText_Blended(menu_font, "Select Character", menu_color);
game_menu.list[3].text_surface = TTF_RenderText_Blended(menu_font, "Main Menu", menu_color);
game_menu.list[4].text_surface = TTF_RenderText_Blended(menu_font, "Exit Game", menu_color);
/* setting menu */
setting_menu.list_items = SETTING_MENU_ITEMS;
if((setting_menu.list = malloc(sizeof(struct menu_item) * setting_menu.list_items)) == NULL)
return -1;
/* resolution text surface = NULL */
setting_menu.list[0].text_surface = NULL;
setting_menu.list[1].text_surface = TTF_RenderText_Blended(menu_font, "Fullscreen", menu_color);
setting_menu.list[2].text_surface = TTF_RenderText_Blended(menu_font, "Music Volume", menu_color);
setting_menu.list[3].text_surface = TTF_RenderText_Blended(menu_font, "Sound Volume", menu_color);
counter = 0;
while(counter < PLAYER_MAX)
{
sprintf(cache_string, "Set Player %i Buttons", counter + 1);
setting_menu.list[counter + 4].text_surface = TTF_RenderText_Blended(menu_font, cache_string, menu_color);
counter++;
}
setting_menu.list[4 + PLAYER_MAX].text_surface = TTF_RenderText_Blended(menu_font, "Save and Exit Settings", menu_color);
setting_menu.list[5 + PLAYER_MAX].text_surface = TTF_RenderText_Blended(menu_font, "Exit Settings", menu_color);
/* map menu */
/* +1 for the last "back" entry in map list */
map_menu.list_items = count_directory("maps") + 1;
if((map_menu.list = malloc(sizeof(struct menu_item) * map_menu.list_items)) == NULL)
return -1;
if((program_dir = opendir("maps")) != NULL)
{
counter = 0;
while((dir_pointer = readdir(program_dir)) != NULL && counter < map_menu.list_items - 1)
{
if(dir_pointer->d_name[0] != '.')
{
sprintf(map_menu.list[counter].path, "maps/%s", dir_pointer->d_name);
map_menu.list[counter].text_surface = TTF_RenderText_Blended(menu_font, dir_pointer->d_name, menu_color);
counter++;
}
}
closedir(program_dir);
}
/* the last item */
map_menu.list[map_menu.list_items - 1].text_surface = TTF_RenderText_Blended(menu_font, "Exit", menu_color);
/* character menu */
character_menu.list_items = count_directory("character") + 1;
if((character_menu.list = malloc(sizeof(struct menu_item) * character_menu.list_items)) == NULL)
return -1;
if((program_dir = opendir("character")) != NULL)
{
counter = 0;
while((dir_pointer = readdir(program_dir)) != NULL && counter < character_menu.list_items - 1)
{
if(dir_pointer->d_name[0] != '.')
{
sprintf(character_menu.list[counter].path, "%s", dir_pointer->d_name);
character_menu.list[counter].text_surface = TTF_RenderText_Blended(menu_font, dir_pointer->d_name, menu_color);
counter++;
}
}
closedir(program_dir);
}
/* the last item */
character_menu.list[character_menu.list_items - 1].text_surface = TTF_RenderText_Blended(menu_font, "Exit", menu_color);
return 0;
}
void free_menu()
{
int counter;
/* free graphics */
SDL_FreeSurface(background);
SDL_FreeSurface(menu_box);
SDL_FreeSurface(team_box);
SDL_FreeSurface(select_field);
SDL_FreeSurface(volume_bar);
SDL_FreeSurface(volume_controller);
SDL_FreeSurface(toggle_off);
SDL_FreeSurface(toggle_on);
SDL_FreeSurface(loading_screen);
SDL_FreeSurface(loading_screen_text);
/* free sounds */
Mix_HaltChannel(-1);
Mix_FreeChunk(toggle_sound);
Mix_FreeChunk(select_sound);
Mix_FreeChunk(abort_sound);
/* free font */
TTF_CloseFont(menu_font);
/* free main menu list */
counter = 0;
while(counter < main_menu.list_items)
{
SDL_FreeSurface(main_menu.list[counter].text_surface);
counter++;
}
free(main_menu.list);
/* free game menu list */
counter = 0;
while(counter < game_menu.list_items)
{
SDL_FreeSurface(game_menu.list[counter].text_surface);
counter++;
}
free(game_menu.list);
/* free setting menu list */
/* counter = 1, because setting_menu.list->resolution is ignored */
counter = 1;
while(counter < setting_menu.list_items)
{
SDL_FreeSurface(setting_menu.list[counter].text_surface);
counter++;
}
free(setting_menu.list);
/* free map menu and the last item */
counter = 0;
while(counter < map_menu.list_items)
{
SDL_FreeSurface(map_menu.list[counter].text_surface);
counter++;
}
free(map_menu.list);
/* free character menu and the last item */
counter = 0;
while(counter < character_menu.list_items)
{
SDL_FreeSurface(character_menu.list[counter].text_surface);
counter++;
}
free(character_menu.list);
}
void blit_loading_screen(SDL_Surface *screen)
{
SDL_Rect loading_screen_src = {(int)(loading_screen->w/2 - screen->w/2), (int)(loading_screen->h/2 - screen->h/2), screen->w, screen->h};
SDL_Rect loading_screen_text_dest = {(int)(screen->w/2 - loading_screen_text->w/2), screen->h - loading_screen_text->h, 0, 0};
SDL_BlitSurface(loading_screen, &loading_screen_src, screen, NULL);
SDL_BlitSurface(loading_screen_text, NULL, screen, &loading_screen_text_dest);
SDL_Flip(screen);
}
int call_main_menu(SDL_Surface *screen)
{
int return_value = MAIN_MENU;
SDL_Rect cache_text_dest;
int cache_menu_item;
SDL_Rect background_src = {(int)(background->w/2 - screen->w/2), (int)(background->h/2 - screen->h/2), screen->w, screen->h};
SDL_Rect menu_box_dest = {(int)(screen->w/2 - menu_box->w/2), (int)(screen->h - menu_box->h * 1.2), 0, 0};
SDL_Rect select_field_dest = {(int)(screen->w/2 - menu_box->w/2) + MENU_BOX_FRAME_SIZE, menu_box_dest.y + MENU_BOX_FRAME_SIZE, 0, 0};
/* static variables to keep select_field at place */
static int current_menu_item = 0;
cache_menu_item = 0;
while(cache_menu_item < current_menu_item)
{
select_field_dest.y += select_field->h;
cache_menu_item++;
}
/* main menu loop */
while(return_value == MAIN_MENU)
{
update_button_state();
/* handle user_input */
if(get_all_button_state(BUTTON_DOWN))
{
set_all_button_state(BUTTON_DOWN, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
select_field_dest.y += select_field->h;
current_menu_item++;
}
else if(get_all_button_state(BUTTON_UP))
{
set_all_button_state(BUTTON_UP, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
select_field_dest.y -= select_field->h;
current_menu_item--;
}
else if(get_all_button_state(BUTTON_OK))
{
set_all_button_state(BUTTON_OK, 0);
Mix_PlayChannel(-1, select_sound, 0);
switch(current_menu_item)
{
case 0:
return_value = PLAYER_2_MENU;
break;
case 1:
return_value = PLAYER_3_MENU;
break;
case 2:
return_value = PLAYER_4_MENU;
break;
case 3:
return_value = SETTING_MENU;
break;
case 4:
return_value = EXIT_MENU;
break;
}
}
/* correct current_menu_item and select field dest */
if(select_field_dest.y < menu_box_dest.y + MENU_BOX_FRAME_SIZE)
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE;
else if(select_field_dest.y > menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h)
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h;
if(current_menu_item < 0)
{
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h;
current_menu_item = main_menu.list_items - 1;
}
else if(current_menu_item >= main_menu.list_items)
{
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE;
current_menu_item = 0;
}
/* blit background */
SDL_BlitSurface(background, &background_src, screen, NULL);
SDL_BlitSurface(menu_box, NULL, screen, &menu_box_dest);
/* blit menu text */
cache_text_dest.y = menu_box_dest.y - 4;
cache_menu_item = current_menu_item - (int)((select_field_dest.y - menu_box_dest.y + MENU_BOX_FRAME_SIZE)/select_field->h);
while(cache_menu_item <= current_menu_item + (int)(((menu_box_dest.y + menu_box->h) - (select_field_dest.y + select_field->h))/select_field->h))
{
cache_text_dest.x = (int)(screen->w/2 - main_menu.list[cache_menu_item].text_surface->w/2);
SDL_BlitSurface(main_menu.list[cache_menu_item].text_surface, NULL, screen, &cache_text_dest);
cache_text_dest.y += select_field->h;
cache_menu_item++;
}
/* blit select field */
SDL_BlitSurface(select_field, NULL, screen, &select_field_dest);
SDL_Flip(screen);
controll_framerate();
}
return return_value;
}
int call_setting_menu(SDL_Surface *screen)
{
int return_value = SETTING_MENU;
SDL_Rect background_src = {(int)(background->w/2 - screen->w/2), (int)(background->h/2 - screen->h/2), screen->w, screen->h};
SDL_Rect menu_box_dest = {(int)(screen->w/2 - menu_box->w/2), (int)(screen->h - menu_box->h * 1.2), 0, 0};
SDL_Rect select_field_dest = {(int)(screen->w/2 - menu_box->w/2) + MENU_BOX_FRAME_SIZE, menu_box_dest.y + MENU_BOX_FRAME_SIZE, 0, 0};
SDL_Rect cache_text_dest;
int current_menu_item = 0;
int cache_menu_item;
/* cache setting variables */
int resolution_x = get_resolution_x();
int resolution_y = get_resolution_y();
char cache_string[1024];
sprintf(cache_string, "Resolution: %ix%i", resolution_x, resolution_y);
setting_menu.list[0].text_surface = TTF_RenderText_Blended(menu_font, cache_string, menu_color);
Sint8 fullscreen_toggle = get_fullscreen_toggle();
int music_volume = get_music_volume();
int sfx_volume = get_sfx_volume();
/* setting menu loop */
while(return_value == SETTING_MENU)
{
update_button_state();
/* handle user_input */
if(get_all_button_state(BUTTON_DOWN))
{
set_all_button_state(BUTTON_DOWN, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
select_field_dest.y += select_field->h;
current_menu_item++;
}
else if(get_all_button_state(BUTTON_UP))
{
set_all_button_state(BUTTON_UP, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
select_field_dest.y -= select_field->h;
current_menu_item--;
}
else if(get_all_button_state(BUTTON_LEFT))
{
if(current_menu_item == 0)
{
set_all_button_state(BUTTON_LEFT, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
/* resolution */
if(resolution_x == 800 && resolution_y == 600)
{
resolution_x = 1280;
resolution_y = 800;
}
else if(resolution_x == 1152 && resolution_y == 768)
{
resolution_x = 800;
resolution_y = 600;
}
else if(resolution_x == 1280 && resolution_y == 720)
{
resolution_x = 1152;
resolution_y = 768;
}
else if(resolution_x == 1280 && resolution_y == 768)
{
resolution_x = 1280;
resolution_y = 720;
}
else if(resolution_x == 1280 && resolution_y == 800)
{
resolution_x = 1280;
resolution_y = 768;
}
SDL_FreeSurface(setting_menu.list[0].text_surface);
sprintf(cache_string, "Resolution: %ix%i", resolution_x, resolution_y);
setting_menu.list[0].text_surface = TTF_RenderText_Blended(menu_font, cache_string, menu_color);
}
else if(current_menu_item == 2)
{
/* music volume */
music_volume -= 2;
if(music_volume < 0)
music_volume = 0;
}
else if(current_menu_item == 3)
{
/* sfx volume */
sfx_volume -= 2;
if(sfx_volume < 0)
sfx_volume = 0;
}
}
else if(get_all_button_state(BUTTON_RIGHT))
{
if(current_menu_item == 0)
{
set_all_button_state(BUTTON_RIGHT, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
/* resolution */
if(resolution_x == 800 && resolution_y == 600)
{
resolution_x = 1152;
resolution_y = 768;
}
else if(resolution_x == 1152 && resolution_y == 768)
{
resolution_x = 1280;
resolution_y = 720;
}
else if(resolution_x == 1280 && resolution_y == 720)
{
resolution_x = 1280;
resolution_y = 768;
}
else if(resolution_x == 1280 && resolution_y == 768)
{
resolution_x = 1280;
resolution_y = 800;
}
else if(resolution_x == 1280 && resolution_y == 800)
{
resolution_x = 800;
resolution_y = 600;
}
SDL_FreeSurface(setting_menu.list[0].text_surface);
sprintf(cache_string, "Resolution: %ix%i", resolution_x, resolution_y);
setting_menu.list[0].text_surface = TTF_RenderText_Blended(menu_font, cache_string, menu_color);
}
else if(current_menu_item == 2)
{
/* music volume */
music_volume += 2;
if(music_volume > MIX_MAX_VOLUME)
music_volume = MIX_MAX_VOLUME;
}
else if(current_menu_item == 3)
{
/* sfx volume */
sfx_volume += 2;
if(sfx_volume > MIX_MAX_VOLUME)
sfx_volume = MIX_MAX_VOLUME;
}
}
else if(get_all_button_state(BUTTON_OK))
{
set_all_button_state(BUTTON_OK, 0);
if(current_menu_item == 1)
{
Mix_PlayChannel(-1, toggle_sound, 0);
if(fullscreen_toggle)
fullscreen_toggle = 0;
else
fullscreen_toggle = 1;
}
else if(current_menu_item > 3 && current_menu_item <= 3 + PLAYER_MAX)
{
Mix_PlayChannel(-1, select_sound, 0);
set_buttons(screen, current_menu_item - 4);
}
else if(current_menu_item == 8)
{
Mix_PlayChannel(-1, select_sound, 0);
return_value = SAVE_MENU;
set_resolution_x(resolution_x);
set_resolution_y(resolution_y);
set_fullscreen_toggle(fullscreen_toggle);
set_music_volume(music_volume);
set_sfx_volume(sfx_volume);
save_settings();
save_joystick();
}
else if(current_menu_item == 9)
{
Mix_PlayChannel(-1, select_sound, 0);
return_value = MAIN_MENU;
}
}
else if(get_all_button_state(BUTTON_ABORT))
{
set_all_button_state(BUTTON_ABORT, 0);
Mix_PlayChannel(-1, abort_sound, 0);
return_value = MAIN_MENU;
}
/* correct current_menu_item and select field dest */
if(select_field_dest.y < menu_box_dest.y + MENU_BOX_FRAME_SIZE)
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE;
else if(select_field_dest.y > menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h)
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h;
if(current_menu_item < 0)
{
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h;
current_menu_item = setting_menu.list_items - 1;
}
else if(current_menu_item >= setting_menu.list_items)
{
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE;
current_menu_item = 0;
}
/* blit background */
SDL_BlitSurface(background, &background_src, screen, NULL);
SDL_BlitSurface(menu_box, NULL, screen, &menu_box_dest);
/* blit menu text */
cache_text_dest.y = menu_box_dest.y - 4;
cache_menu_item = current_menu_item - (int)((select_field_dest.y - menu_box_dest.y + MENU_BOX_FRAME_SIZE)/select_field->h);
while(cache_menu_item <= current_menu_item + (int)(((menu_box_dest.y + menu_box->h) - (select_field_dest.y + select_field->h))/select_field->h))
{
if(cache_menu_item == 1)
{
/* fullscreen toggle menu item */
cache_text_dest.x = (int)(screen->w/2 - (setting_menu.list[cache_menu_item].text_surface->w + toggle_off->w)/2);
SDL_BlitSurface(setting_menu.list[cache_menu_item].text_surface, NULL, screen, &cache_text_dest);
cache_text_dest.x += setting_menu.list[cache_menu_item].text_surface->w;
cache_text_dest.y += (int)(toggle_off->h/1.4);
if(fullscreen_toggle)
SDL_BlitSurface(toggle_on, NULL, screen, &cache_text_dest);
else
SDL_BlitSurface(toggle_off, NULL, screen, &cache_text_dest);
cache_text_dest.y -= (int)(toggle_off->h/1.4);
}
else if(cache_menu_item == 2)
{
/* music volume */
cache_text_dest.x = (int)(screen->w/2 - (setting_menu.list[cache_menu_item].text_surface->w + volume_bar->w)/2);
SDL_BlitSurface(setting_menu.list[cache_menu_item].text_surface, NULL, screen, &cache_text_dest);
cache_text_dest.x += setting_menu.list[cache_menu_item].text_surface->w + 10;
cache_text_dest.y += (int)(volume_controller->h * 1.6);
SDL_BlitSurface(volume_bar, NULL, screen, &cache_text_dest);
cache_text_dest.x += (int)((volume_bar->w - volume_controller->w) * ((float)music_volume/(float)MIX_MAX_VOLUME));
cache_text_dest.y -= (int)(volume_controller->h * 0.35);
SDL_BlitSurface(volume_controller, NULL, screen, &cache_text_dest);
cache_text_dest.y -= (int)(volume_controller->h * 1.25);
}
else if(cache_menu_item == 3)
{
/* sfx volume */
cache_text_dest.x = (int)(screen->w/2 - (setting_menu.list[cache_menu_item].text_surface->w + volume_bar->w)/2);
SDL_BlitSurface(setting_menu.list[cache_menu_item].text_surface, NULL, screen, &cache_text_dest);
cache_text_dest.x += setting_menu.list[cache_menu_item].text_surface->w + 10;
cache_text_dest.y += (int)(volume_controller->h * 1.6);
SDL_BlitSurface(volume_bar, NULL, screen, &cache_text_dest);
cache_text_dest.x += (int)((volume_bar->w - volume_controller->w) * ((float)sfx_volume/(float)MIX_MAX_VOLUME));
cache_text_dest.y -= (int)(volume_controller->h * 0.35);
SDL_BlitSurface(volume_controller, NULL, screen, &cache_text_dest);
cache_text_dest.y -= (int)(volume_controller->h * 1.25);
}
else
{
/* other menu items */
cache_text_dest.x = (int)(screen->w/2 - setting_menu.list[cache_menu_item].text_surface->w/2);
SDL_BlitSurface(setting_menu.list[cache_menu_item].text_surface, NULL, screen, &cache_text_dest);
}
cache_text_dest.y += select_field->h;
cache_menu_item++;
}
/* blit select field */
SDL_BlitSurface(select_field, NULL, screen, &select_field_dest);
SDL_Flip(screen);
controll_framerate();
}
SDL_FreeSurface(setting_menu.list[0].text_surface);
return return_value;
}
int call_game_menu(SDL_Surface *screen)
{
int return_value = GAME_MENU;
SDL_Rect cache_text_dest;
int current_menu_item = 0;
int cache_menu_item;
SDL_Rect menu_box_dest = {(int)(screen->w/2 - menu_box->w/2), (int)(screen->h/2 - menu_box->h/2), 0, 0};
SDL_Rect select_field_dest = {(int)(screen->w/2 - menu_box->w/2) + MENU_BOX_FRAME_SIZE, menu_box_dest.y + MENU_BOX_FRAME_SIZE, 0, 0};
boxRGBA(screen, 0, 0, screen->w - 1, screen->h - 1, 0, 0, 0, 127);
SDL_Surface *screen_shot = SDL_ConvertSurface(screen, screen->format, screen->flags);
/* pause previous sounds and reset all buttons */
reset_all_buttons();
Mix_Pause(-1);
/* game menu loop */
Mix_PlayChannel(-1, abort_sound, 0);
while(return_value == GAME_MENU)
{
update_button_state();
/* handle user_input */
if(get_all_button_state(BUTTON_DOWN))
{
set_all_button_state(BUTTON_DOWN, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
select_field_dest.y += select_field->h;
current_menu_item++;
}
else if(get_all_button_state(BUTTON_UP))
{
set_all_button_state(BUTTON_UP, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
select_field_dest.y -= select_field->h;
current_menu_item--;
}
else if(get_all_button_state(BUTTON_OK))
{
set_all_button_state(BUTTON_OK, 0);
Mix_PlayChannel(-1, select_sound, 0);
switch(current_menu_item)
{
case 0:
return_value = GAME_RUNNING;
break;
case 1:
return_value = RESTART_BATTLE_MENU;
break;
case 2:
return_value = SELECT_CHARACTER_MENU;
break;
case 3:
return_value = MAIN_MENU;
break;
case 4:
return_value = EXIT_MENU;
break;
}
}
else if((get_all_button_state(BUTTON_ABORT)) || (get_all_button_state(BUTTON_PAUSE)))
{
set_all_button_state(BUTTON_ABORT, 0);
set_all_button_state(BUTTON_PAUSE, 0);
Mix_PlayChannel(-1, abort_sound, 0);
return_value = GAME_RUNNING;
}
/* correct current_menu_item and select field dest */
if(select_field_dest.y < menu_box_dest.y + MENU_BOX_FRAME_SIZE)
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE;
else if(select_field_dest.y > menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h)
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h;
if(current_menu_item < 0)
{
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h;
current_menu_item = game_menu.list_items - 1;
}
else if(current_menu_item >= game_menu.list_items)
{
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE;
current_menu_item = 0;
}
/* blit screen_shot */
SDL_BlitSurface(screen_shot, NULL, screen, NULL);
SDL_BlitSurface(menu_box, NULL, screen, &menu_box_dest);
/* blit menu text */
cache_text_dest.y = menu_box_dest.y - 4;
cache_menu_item = current_menu_item - (int)((select_field_dest.y - menu_box_dest.y + MENU_BOX_FRAME_SIZE)/select_field->h);
while(cache_menu_item <= current_menu_item + (int)(((menu_box_dest.y + menu_box->h) - (select_field_dest.y + select_field->h))/select_field->h))
{
cache_text_dest.x = (int)(screen->w/2 - game_menu.list[cache_menu_item].text_surface->w/2);
SDL_BlitSurface(game_menu.list[cache_menu_item].text_surface, NULL, screen, &cache_text_dest);
cache_text_dest.y += select_field->h;
cache_menu_item++;
}
/* blit select field */
SDL_BlitSurface(select_field, NULL, screen, &select_field_dest);
SDL_Flip(screen);
controll_framerate();
}
/* resume previous sounds and reset buttons */
Mix_Resume(-1);
reset_all_buttons();
SDL_FreeSurface(screen_shot);
return return_value;
}
char *call_map_select(SDL_Surface *screen)
{
SDL_Rect cache_text_dest;
int cache_menu_item;
SDL_Rect background_src = {(int)(background->w/2 - screen->w/2), (int)(background->h/2 - screen->h/2), screen->w, screen->h};
SDL_Rect menu_box_dest = {(int)(screen->w/2 - menu_box->w/2), (int)(screen->h - menu_box->h * 1.2), 0, 0};
SDL_Rect select_field_dest = {(int)(screen->w/2 - menu_box->w/2) + MENU_BOX_FRAME_SIZE, menu_box_dest.y + MENU_BOX_FRAME_SIZE, 0, 0};
/* static variables to keep select_field at place */
static int current_menu_item = 0;
cache_menu_item = 0;
while(cache_menu_item < current_menu_item)
{
select_field_dest.y += select_field->h;
cache_menu_item++;
}
/* main menu loop */
reset_all_buttons();
while(1)
{
update_button_state();
/* handle user_input */
if(get_all_button_state(BUTTON_DOWN))
{
set_all_button_state(BUTTON_DOWN, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
select_field_dest.y += select_field->h;
current_menu_item++;
}
else if(get_all_button_state(BUTTON_UP))
{
set_all_button_state(BUTTON_UP, 0);
Mix_PlayChannel(-1, toggle_sound, 0);
select_field_dest.y -= select_field->h;
current_menu_item--;
}
else if(get_all_button_state(BUTTON_OK))
{
set_all_button_state(BUTTON_OK, 0);
Mix_PlayChannel(-1, select_sound, 0);
if(current_menu_item == map_menu.list_items - 1)
return NULL;
else
return map_menu.list[current_menu_item].path;
}
else if(get_all_button_state(BUTTON_ABORT))
{
set_all_button_state(BUTTON_ABORT, 0);
Mix_PlayChannel(-1, abort_sound, 0);
return NULL;
}
/* correct current_menu_item and select field dest */
if(select_field_dest.y < menu_box_dest.y + MENU_BOX_FRAME_SIZE)
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE;
else if(select_field_dest.y > menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h)
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h;
if(current_menu_item < 0)
{
if(map_menu.list_items > MENU_ITEM_SPACE)
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE + (MENU_ITEM_SPACE - 1) * select_field->h;
else
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE + (map_menu.list_items - 1) * select_field->h;
current_menu_item = map_menu.list_items - 1;
}
else if(current_menu_item >= map_menu.list_items)
{
select_field_dest.y = menu_box_dest.y + MENU_BOX_FRAME_SIZE;
current_menu_item = 0;
}
/* blit background */
SDL_BlitSurface(background, &background_src, screen, NULL);
SDL_BlitSurface(menu_box, NULL, screen, &menu_box_dest);
/* blit menu text */
cache_text_dest.y = menu_box_dest.y - 4;
cache_menu_item = current_menu_item - (int)((select_field_dest.y - menu_box_dest.y + MENU_BOX_FRAME_SIZE)/select_field->h);
while(cache_menu_item < map_menu.list_items && cache_menu_item <= current_menu_item + (int)(((menu_box_dest.y + menu_box->h) - (select_field_dest.y + select_field->h))/select_field->h))
{
cache_text_dest.x = (int)(screen->w/2 - map_menu.list[cache_menu_item].text_surface->w/2);
SDL_BlitSurface(map_menu.list[cache_menu_item].text_surface, NULL, screen, &cache_text_dest);
cache_text_dest.y += select_field->h;
cache_menu_item++;
}
/* blit select field */
SDL_BlitSurface(select_field, NULL, screen, &select_field_dest);
SDL_Flip(screen);
controll_framerate();