+ int font_nr = FONT_INFO_ELEMENTS;
+ int font_width = getFontWidth(font_nr);
+ int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
+ int sy = mSY + 65 + 2 * 32 + 1;
+ int ystep = TILEY + 4;
+ int pad_x = sx - SX;
+ int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
+ int max_lines_per_text = 2;
+ char *text = NULL;
+
+ if (action != -1 && direction != -1) /* element.action.direction */
+ text = getHelpText(element, action, direction);
+
+ if (text == NULL && action != -1) /* element.action */
+ text = getHelpText(element, action, -1);
+
+ if (text == NULL && direction != -1) /* element.direction */
+ text = getHelpText(element, -1, direction);
+
+ if (text == NULL) /* base element */
+ text = getHelpText(element, -1, -1);
+
+ if (text == NULL) /* not found */
+ text = "No description available";
+
+ if (strlen(text) <= max_chars_per_line) /* only one line of text */
+ sy += getFontHeight(font_nr) / 2;
+
+ DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
+ max_chars_per_line, -1, max_lines_per_text, 0, -1,
+ TRUE, FALSE, FALSE);
+}
+
+void DrawInfoScreen_TitleScreen()
+{
+ game_status_last_screen = GAME_MODE_INFO;
+ game_status = GAME_MODE_TITLE;
+
+ DrawTitleScreen();
+}
+
+void HandleInfoScreen_TitleScreen(int button)
+{
+ HandleTitleScreen(0, 0, 0, 0, button);
+}
+
+void DrawInfoScreen_Elements()
+{
+ SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
+
+ FadeOut(REDRAW_FIELD);
+
+ LoadHelpAnimInfo();
+ LoadHelpTextInfo();
+
+ HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
+
+ FadeIn(REDRAW_FIELD);
+
+ InitAnimation();
+}
+
+void HandleInfoScreen_Elements(int button)
+{
+ static unsigned int info_delay = 0;
+ static int num_anims;
+ static int num_pages;
+ static int page;
+ int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
+ int i;
+
+ if (button == MB_MENU_INITIALIZE)
+ {
+ boolean new_element = TRUE;
+
+ num_anims = 0;
+
+ for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
+ {
+ if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
+ new_element = TRUE;
+ else if (new_element)
+ {
+ num_anims++;
+ new_element = FALSE;
+ }
+ }
+
+ num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
+ page = 0;
+ }
+
+ if (button == MB_MENU_LEAVE)
+ {
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+
+ return;
+ }
+ else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
+ {
+ if (button != MB_MENU_INITIALIZE)
+ {
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ page++;
+ }
+
+ if (page >= num_pages)
+ {
+ FadeSoundsAndMusic();
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+
+ return;
+ }
+
+ if (page > 0)
+ FadeSetNextScreen();
+
+ if (button != MB_MENU_INITIALIZE)
+ FadeOut(REDRAW_FIELD);
+
+ DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
+
+ if (button != MB_MENU_INITIALIZE)
+ FadeIn(REDRAW_FIELD);
+ }
+ else
+ {
+ if (DelayReached(&info_delay, GameFrameDelay))
+ if (page < num_pages)
+ DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
+
+ PlayMenuSoundIfLoop();
+ }
+}
+
+void DrawInfoScreen_Music()
+{
+ SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
+
+ FadeOut(REDRAW_FIELD);
+
+ ClearField();
+ DrawHeadline();
+
+ LoadMusicInfo();
+
+ HandleInfoScreen_Music(MB_MENU_INITIALIZE);
+
+ FadeIn(REDRAW_FIELD);
+}
+
+void HandleInfoScreen_Music(int button)
+{
+ static struct MusicFileInfo *list = NULL;
+ int ystart1 = mSY - SY + 100;
+ int ystart2 = mSY - SY + 150;
+ int ybottom = mSY - SY + SYSIZE - 20;
+ int dy = 30;
+
+ if (button == MB_MENU_INITIALIZE)
+ {
+ list = music_file_info;
+
+ if (list == NULL)
+ {
+ FadeSoundsAndMusic();
+
+ ClearField();
+ DrawHeadline();
+
+ DrawTextSCentered(ystart1, FONT_TEXT_1,
+ "No music info for this level set.");
+
+ DrawTextSCentered(ybottom, FONT_TEXT_4,
+ "Press any key or button for info menu");
+
+ return;
+ }
+ }
+
+ if (button == MB_MENU_LEAVE)
+ {
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ FadeSoundsAndMusic();
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+
+ return;
+ }
+ else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
+ {
+ int y = 0;
+
+ if (button != MB_MENU_INITIALIZE)
+ {
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ if (list != NULL)
+ list = list->next;
+ }
+
+ if (list == NULL)
+ {
+ FadeSoundsAndMusic();
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+
+ return;
+ }
+
+ FadeSoundsAndMusic();
+
+ if (list != music_file_info)
+ FadeSetNextScreen();
+
+ if (button != MB_MENU_INITIALIZE)
+ FadeOut(REDRAW_FIELD);
+
+ ClearField();
+ DrawHeadline();
+
+ if (list->is_sound)
+ {
+ int sound = list->music;
+
+ if (sound_info[sound].loop)
+ PlaySoundLoop(sound);
+ else
+ PlaySound(sound);
+
+ DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
+ }
+ else
+ {
+ PlayMusic(list->music);
+
+ DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
+ }
+
+ if (!strEqual(list->title, UNKNOWN_NAME))
+ {
+ if (!strEqual(list->title_header, UNKNOWN_NAME))
+ DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
+
+ DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
+ }
+
+ if (!strEqual(list->artist, UNKNOWN_NAME))
+ {
+ if (!strEqual(list->artist_header, UNKNOWN_NAME))
+ DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
+ else
+ DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
+
+ DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
+ }
+
+ if (!strEqual(list->album, UNKNOWN_NAME))
+ {
+ if (!strEqual(list->album_header, UNKNOWN_NAME))
+ DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
+ else
+ DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
+
+ DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
+ }
+
+ if (!strEqual(list->year, UNKNOWN_NAME))
+ {
+ if (!strEqual(list->year_header, UNKNOWN_NAME))
+ DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
+ else
+ DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
+
+ DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
+ }
+
+ DrawTextSCentered(ybottom, FONT_TEXT_4,
+ "Press any key or button for next page");
+
+ if (button != MB_MENU_INITIALIZE)
+ FadeIn(REDRAW_FIELD);
+ }
+
+ if (list != NULL && list->is_sound && sound_info[list->music].loop)
+ PlaySoundLoop(list->music);
+}
+
+static void DrawInfoScreen_CreditsScreen(int screen_nr)
+{
+ int ystart1 = mSY - SY + 100;
+ int ystart2 = mSY - SY + 150;
+ int ybottom = mSY - SY + SYSIZE - 20;
+ int ystep = 30;
+
+ ClearField();
+ DrawHeadline();
+
+ DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
+
+ if (screen_nr == 0)
+ {
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "Special thanks to");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
+ "Peter Liepa");
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
+ "for creating");
+ DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
+ "\"Boulder Dash\"");
+ DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
+ "in the year");
+ DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
+ "1984");
+ DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
+ "published by");
+ DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
+ "First Star Software");
+ }
+ else if (screen_nr == 1)
+ {
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "Special thanks to");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
+ "Klaus Heinz & Volker Wertich");
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
+ "for creating");
+ DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
+ "\"Emerald Mine\"");
+ DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
+ "in the year");
+ DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
+ "1987");
+ DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
+ "published by");
+ DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
+ "Kingsoft");
+ }
+ else if (screen_nr == 2)
+ {
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "Special thanks to");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
+ "Michael Stopp & Philip Jespersen");
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
+ "for creating");
+ DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
+ "\"Supaplex\"");
+ DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
+ "in the year");
+ DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
+ "1991");
+ DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
+ "published by");
+ DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
+ "Digital Integration");
+ }
+ else if (screen_nr == 3)
+ {
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "Special thanks to");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
+ "Hiroyuki Imabayashi");
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
+ "for creating");
+ DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
+ "\"Sokoban\"");
+ DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
+ "in the year");
+ DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
+ "1982");
+ DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
+ "published by");
+ DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
+ "Thinking Rabbit");
+ }
+ else if (screen_nr == 4)
+ {
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "Special thanks to");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
+ "Alan Bond");
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
+ "and");
+ DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
+ "J\xfcrgen Bonhagen");
+ DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
+ "for the continuous creation");
+ DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
+ "of outstanding level sets");
+ }
+ else if (screen_nr == 5)
+ {
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "Thanks to");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
+ "Peter Elzner");
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
+ "for ideas and inspiration by");
+ DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
+ "Diamond Caves");
+
+ DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
+ "Thanks to");
+ DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
+ "Steffest");
+ DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
+ "for ideas and inspiration by");
+ DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
+ "DX-Boulderdash");
+ }
+ else if (screen_nr == 6)
+ {
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "Thanks to");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
+ "David Tritscher");
+#if 1
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
+ "for the code base used for the");
+ DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
+ "native Emerald Mine engine");
+#else
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
+ "for the new Emerald Mine engine");
+#endif
+ }
+ else if (screen_nr == 7)
+ {
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "Thanks to");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
+ "Guido Schulz");
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
+ "for the initial DOS port");
+
+ DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
+ "Thanks to");
+ DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
+ "Karl H\xf6rnell");
+ DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
+ "for some additional toons");
+ }
+ else if (screen_nr == 8)
+ {
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "And not to forget:");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
+ "Many thanks to");
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
+ "All those who contributed");
+ DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
+ "levels to this game");
+ DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
+ "since 1995");
+ }
+
+ DrawTextSCentered(ybottom, FONT_TEXT_4,
+ "Press any key or button for next page");
+}
+
+void DrawInfoScreen_Credits()
+{
+ SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
+
+ FadeSoundsAndMusic();
+
+ FadeOut(REDRAW_FIELD);
+
+ HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
+
+ FadeIn(REDRAW_FIELD);
+}
+
+void HandleInfoScreen_Credits(int button)
+{
+ static int screen_nr = 0;
+ int num_screens = 9;
+
+ if (button == MB_MENU_INITIALIZE)
+ {
+ screen_nr = 0;
+
+ // DrawInfoScreen_CreditsScreen(screen_nr);
+ }
+
+ if (button == MB_MENU_LEAVE)
+ {
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+
+ return;
+ }
+ else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
+ {
+ if (button != MB_MENU_INITIALIZE)
+ {
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ screen_nr++;
+ }
+
+ if (screen_nr >= num_screens)
+ {
+ FadeSoundsAndMusic();
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+
+ return;
+ }
+
+ if (screen_nr > 0)
+ FadeSetNextScreen();
+
+ if (button != MB_MENU_INITIALIZE)
+ FadeOut(REDRAW_FIELD);
+
+ DrawInfoScreen_CreditsScreen(screen_nr);
+
+ if (button != MB_MENU_INITIALIZE)
+ FadeIn(REDRAW_FIELD);
+ }
+ else
+ {
+ PlayMenuSoundIfLoop();
+ }
+}
+
+void DrawInfoScreen_Program()
+{
+ int ystart1 = mSY - SY + 100;
+ int ystart2 = mSY - SY + 150;
+ int ybottom = mSY - SY + SYSIZE - 20;
+ int ystep = 30;
+
+ SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
+
+ FadeOut(REDRAW_FIELD);
+
+ ClearField();
+ DrawHeadline();
+
+ DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
+
+ DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
+ "This game is Freeware!");
+ DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
+ "If you like it, send e-mail to:");
+ DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
+ setup.internal.program_email);
+ DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
+ "More information and levels:");
+ DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
+ setup.internal.program_website);
+ DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
+ "If you have created new levels,");
+ DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
+ "send them to me to include them!");
+ DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
+ ":-)");
+
+ DrawTextSCentered(ybottom, FONT_TEXT_4,
+ "Press any key or button for info menu");
+
+ FadeIn(REDRAW_FIELD);
+}
+
+void HandleInfoScreen_Program(int button)
+{
+ if (button == MB_MENU_LEAVE)
+ {
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+
+ return;
+ }
+ else if (button == MB_MENU_CHOICE)
+ {
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ FadeSoundsAndMusic();
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+ }
+ else
+ {
+ PlayMenuSoundIfLoop();
+ }
+}
+
+void DrawInfoScreen_Version()
+{
+ int font_header = FONT_TEXT_3;
+ int font_text = FONT_TEXT_2;
+ int xstep = getFontWidth(font_text);
+ int ystep = getFontHeight(font_text);
+ int ystart1 = mSY - SY + 100;
+ int ystart2 = mSY - SY + 150;
+ int ybottom = mSY - SY + SYSIZE - 20;
+ int xstart1 = mSX - SX + 2 * xstep;
+ int xstart2 = mSX - SX + 18 * xstep;
+ int xstart3 = mSX - SX + 28 * xstep;
+ SDL_version sdl_version_compiled;
+ const SDL_version *sdl_version_linked;
+ int driver_name_len = 10;
+#if defined(TARGET_SDL2)
+ SDL_version sdl_version_linked_ext;
+ const char *driver_name = NULL;
+#else
+ char driver_name[driver_name_len];
+#endif
+
+ SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
+
+ FadeOut(REDRAW_FIELD);
+
+ ClearField();
+ DrawHeadline();
+
+ DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
+
+ DrawTextF(xstart1, ystart2, font_header, "Name");
+ DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
+
+ ystart2 += ystep;
+ DrawTextF(xstart1, ystart2, font_header, "Version");
+ DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
+
+ ystart2 += ystep;
+ DrawTextF(xstart1, ystart2, font_header, "Platform");
+ DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
+
+ ystart2 += ystep;
+ DrawTextF(xstart1, ystart2, font_header, "Target");
+ DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
+
+ ystart2 += ystep;
+ DrawTextF(xstart1, ystart2, font_header, "Compile time");
+ DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
+
+ ystart2 += 3 * ystep;
+ DrawTextF(xstart1, ystart2, font_header, "Library");
+ DrawTextF(xstart2, ystart2, font_header, "compiled");
+ DrawTextF(xstart3, ystart2, font_header, "linked");
+
+ SDL_VERSION(&sdl_version_compiled);
+#if defined(TARGET_SDL2)
+ SDL_GetVersion(&sdl_version_linked_ext);
+ sdl_version_linked = &sdl_version_linked_ext;
+#else
+ sdl_version_linked = SDL_Linked_Version();