+ 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 font_title = MENU_INFO_FONT_TITLE;
+ int font_head = MENU_INFO_FONT_HEAD;
+ int font_text = MENU_INFO_FONT_TEXT;
+ int font_foot = MENU_INFO_FONT_FOOT;
+ int spacing_title = menu.headline1_spacing_info[info_mode];
+ int spacing_head = menu.headline2_spacing_info[info_mode];
+ int spacing_para = menu.paragraph_spacing_info[info_mode];
+ int spacing_line = menu.line_spacing_info[info_mode];
+ int ystep_title = getMenuTextStep(spacing_title, font_title);
+ int ystep_head = getMenuTextStep(spacing_head, font_head);
+ int ystep_para = getMenuTextStep(spacing_para, font_text);
+ int ystep_line = getMenuTextStep(spacing_line, font_text);
+ int ystart = mSY - SY + MENU_SCREEN_INFO_YSTART1;
+ int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
+
+ ClearField();
+ DrawHeadline();
+
+ DrawTextSCentered(ystart, font_title, "Credits:");
+ ystart += ystep_title;
+
+ if (screen_nr == 0)
+ {
+ DrawTextSCentered(ystart, font_head,
+ "Special thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Peter Liepa");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for creating");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "\"Boulder Dash\"");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "in the year");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "1984");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "published by");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "First Star Software");
+ }
+ else if (screen_nr == 1)
+ {
+ DrawTextSCentered(ystart, font_head,
+ "Special thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Klaus Heinz & Volker Wertich");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for creating");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "\"Emerald Mine\"");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "in the year");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "1987");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "published by");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Kingsoft");
+ }
+ else if (screen_nr == 2)
+ {
+ DrawTextSCentered(ystart, font_head,
+ "Special thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Michael Stopp & Philip Jespersen");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for creating");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "\"Supaplex\"");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "in the year");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "1991");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "published by");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Digital Integration");
+ }
+ else if (screen_nr == 3)
+ {
+ DrawTextSCentered(ystart, font_head,
+ "Special thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Hiroyuki Imabayashi");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for creating");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "\"Sokoban\"");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "in the year");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "1982");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "published by");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Thinking Rabbit");
+ }
+ else if (screen_nr == 4)
+ {
+ DrawTextSCentered(ystart, font_head,
+ "Special thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Alan Bond");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "and");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "J\xfcrgen Bonhagen");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for the continuous creation");
+ ystart += ystep_line;
+ DrawTextSCentered(ystart, font_head,
+ "of outstanding level sets");
+ }
+ else if (screen_nr == 5)
+ {
+ DrawTextSCentered(ystart, font_head,
+ "Thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Peter Elzner");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for ideas and inspiration by");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Diamond Caves");
+ ystart += ystep_para;
+
+ DrawTextSCentered(ystart, font_head,
+ "Thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Steffest");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for ideas and inspiration by");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "DX-Boulderdash");
+ }
+ else if (screen_nr == 6)
+ {
+ DrawTextSCentered(ystart, font_head,
+ "Thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "David Tritscher");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for the code base used for the");
+ ystart += ystep_line;
+ DrawTextSCentered(ystart, font_head,
+ "native Emerald Mine engine");
+ }
+ else if (screen_nr == 7)
+ {
+ DrawTextSCentered(ystart, font_head,
+ "Thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Guido Schulz");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for the initial DOS port");
+ ystart += ystep_para;
+
+ DrawTextSCentered(ystart, font_head,
+ "Thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "Karl H\xf6rnell");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "for some additional toons");
+ }
+ else if (screen_nr == 8)
+ {
+ DrawTextSCentered(ystart, font_head,
+ "And not to forget:");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "Many thanks to");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ "All those who contributed");
+ ystart += ystep_line;
+ DrawTextSCentered(ystart, font_text,
+ "levels to this game");
+ ystart += ystep_line;
+ DrawTextSCentered(ystart, font_text,
+ "since 1995");
+ }
+
+ DrawTextSCentered(ybottom, font_foot,
+ "Press any key or button for next page");
+}
+
+static void DrawInfoScreen_Credits(void)
+{
+ SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
+
+ FadeMenuSoundsAndMusic();
+
+ 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)
+ {
+ FadeMenuSoundsAndMusic();
+
+ 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();
+ }
+}
+
+static void DrawInfoScreen_Program(void)
+{
+ int font_title = MENU_INFO_FONT_TITLE;
+ int font_head = MENU_INFO_FONT_HEAD;
+ int font_text = MENU_INFO_FONT_TEXT;
+ int font_foot = MENU_INFO_FONT_FOOT;
+ int spacing_title = menu.headline1_spacing_info[info_mode];
+ int spacing_head = menu.headline2_spacing_info[info_mode];
+ int spacing_para = menu.paragraph_spacing_info[info_mode];
+ int spacing_line = menu.line_spacing_info[info_mode];
+ int ystep_title = getMenuTextStep(spacing_title, font_title);
+ int ystep_head = getMenuTextStep(spacing_head, font_head);
+ int ystep_para = getMenuTextStep(spacing_para, font_text);
+ int ystep_line = getMenuTextStep(spacing_line, font_text);
+ int ystart = mSY - SY + MENU_SCREEN_INFO_YSTART1;
+ int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
+
+ SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
+
+ FadeOut(REDRAW_FIELD);
+
+ ClearField();
+ DrawHeadline();
+
+ DrawTextSCentered(ystart, font_title, "Program Information:");
+ ystart += ystep_title;
+
+ DrawTextSCentered(ystart, font_head,
+ "This game is Freeware!");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ "If you like it, send e-mail to:");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ setup.internal.program_email);
+ ystart += ystep_para;
+
+ DrawTextSCentered(ystart, font_head,
+ "More information and levels:");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_text,
+ setup.internal.program_website);
+ ystart += ystep_para;
+
+ DrawTextSCentered(ystart, font_head,
+ "If you have created new levels,");
+ ystart += ystep_line;
+ DrawTextSCentered(ystart, font_head,
+ "send them to me to include them!");
+ ystart += ystep_head;
+ DrawTextSCentered(ystart, font_head,
+ ":-)");
+
+ DrawTextSCentered(ybottom, font_foot,
+ "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);
+
+ FadeMenuSoundsAndMusic();
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+ }
+ else
+ {
+ PlayMenuSoundIfLoop();
+ }
+}
+
+static void DrawInfoScreen_Version(void)
+{
+ int font_title = MENU_INFO_FONT_TITLE;
+ int font_head = MENU_INFO_FONT_HEAD;
+ int font_text = MENU_INFO_FONT_TEXT;
+ int font_foot = MENU_INFO_FONT_FOOT;
+ int spacing_title = menu.headline1_spacing_info[info_mode];
+ int spacing_head = menu.headline2_spacing_info[info_mode];
+ int spacing_para = menu.paragraph_spacing_info[info_mode];
+ int spacing_line = menu.line_spacing_info[info_mode];
+ int xstep = getFontWidth(font_text);
+ int ystep_title = getMenuTextStep(spacing_title, font_title);
+ int ystep_head = getMenuTextStep(spacing_head, font_head);
+ int ystep_para = getMenuTextStep(spacing_para, font_text);
+ int ystep_line = getMenuTextStep(spacing_line, font_text);
+ int ystart = mSY - SY + MENU_SCREEN_INFO_YSTART1;
+ int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
+ 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;
+ SDL_version sdl_version_linked_ext;
+ const char *driver_name = NULL;
+
+ SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
+
+ FadeOut(REDRAW_FIELD);
+
+ ClearField();
+ DrawHeadline();
+
+ DrawTextSCentered(ystart, font_title, "Version Information:");
+ ystart += ystep_title;
+
+ DrawTextF(xstart1, ystart, font_head, "Name");
+ DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
+ ystart += ystep_line;
+
+ if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
+ {
+ DrawTextF(xstart1, ystart, font_head, "Version (fake)");
+ DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
+ ystart += ystep_line;
+
+ DrawTextF(xstart1, ystart, font_head, "Version (real)");
+ DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
+ ystart += ystep_line;
+ }
+ else
+ {
+ DrawTextF(xstart1, ystart, font_head, "Version");
+ DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
+ ystart += ystep_line;
+ }
+
+ DrawTextF(xstart1, ystart, font_head, "Platform");
+ DrawTextF(xstart2, ystart, font_text, "%s (%s)",
+ PLATFORM_STRING,
+ PLATFORM_XX_BIT_STRING);
+ ystart += ystep_line;
+
+ DrawTextF(xstart1, ystart, font_head, "Target");
+ DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
+ ystart += ystep_line;
+
+ DrawTextF(xstart1, ystart, font_head, "Source date");
+ DrawTextF(xstart2, ystart, font_text, getSourceDateString());
+ ystart += ystep_line;
+
+ DrawTextF(xstart1, ystart, font_head, "Commit hash");
+ DrawTextF(xstart2, ystart, font_text, getSourceHashString());
+ ystart += ystep_para;
+
+ DrawTextF(xstart1, ystart, font_head, "Library");
+ DrawTextF(xstart2, ystart, font_head, "compiled");
+ DrawTextF(xstart3, ystart, font_head, "linked");
+ ystart += ystep_head;
+
+ SDL_VERSION(&sdl_version_compiled);
+ SDL_GetVersion(&sdl_version_linked_ext);
+ sdl_version_linked = &sdl_version_linked_ext;
+
+ DrawTextF(xstart1, ystart, font_text, "SDL");
+ DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
+ sdl_version_compiled.major,
+ sdl_version_compiled.minor,
+ sdl_version_compiled.patch);
+ DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
+ sdl_version_linked->major,
+ sdl_version_linked->minor,
+ sdl_version_linked->patch);
+ ystart += ystep_line;
+
+ SDL_IMAGE_VERSION(&sdl_version_compiled);
+ sdl_version_linked = IMG_Linked_Version();
+
+ DrawTextF(xstart1, ystart, font_text, "SDL_image");
+ DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
+ sdl_version_compiled.major,
+ sdl_version_compiled.minor,
+ sdl_version_compiled.patch);
+ DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
+ sdl_version_linked->major,
+ sdl_version_linked->minor,
+ sdl_version_linked->patch);
+ ystart += ystep_line;
+
+ SDL_MIXER_VERSION(&sdl_version_compiled);
+ sdl_version_linked = Mix_Linked_Version();
+
+ DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
+ DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
+ sdl_version_compiled.major,
+ sdl_version_compiled.minor,
+ sdl_version_compiled.patch);
+ DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
+ sdl_version_linked->major,
+ sdl_version_linked->minor,
+ sdl_version_linked->patch);
+ ystart += ystep_line;
+
+ SDL_NET_VERSION(&sdl_version_compiled);
+ sdl_version_linked = SDLNet_Linked_Version();
+
+ DrawTextF(xstart1, ystart, font_text, "SDL_net");
+ DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
+ sdl_version_compiled.major,
+ sdl_version_compiled.minor,
+ sdl_version_compiled.patch);
+ DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
+ sdl_version_linked->major,
+ sdl_version_linked->minor,
+ sdl_version_linked->patch);
+ ystart += ystep_para;
+
+ DrawTextF(xstart1, ystart, font_head, "Driver");
+ DrawTextF(xstart2, ystart, font_head, "Requested");
+ DrawTextF(xstart3, ystart, font_head, "Used");
+ ystart += ystep_head;
+
+ driver_name =
+ getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
+
+ DrawTextF(xstart1, ystart, font_text, "Render Driver");
+ DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
+ DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
+ ystart += ystep_line;
+
+ driver_name =
+ getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
+
+ DrawTextF(xstart1, ystart, font_text, "Video Driver");
+ DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
+ DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
+ ystart += ystep_line;
+
+ driver_name =
+ getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
+
+ DrawTextF(xstart1, ystart, font_text, "Audio Driver");
+ DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
+ DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
+
+ DrawTextSCentered(ybottom, font_foot,
+ "Press any key or button for info menu");
+
+ FadeIn(REDRAW_FIELD);
+}
+
+void HandleInfoScreen_Version(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);
+
+ FadeMenuSoundsAndMusic();
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+ }
+ else
+ {
+ PlayMenuSoundIfLoop();
+ }
+}
+
+static void DrawInfoScreen_LevelSet(void)
+{
+ struct TitleMessageInfo *tmi = &readme;
+ char *filename = getLevelSetInfoFilename();
+ char *title = "Level Set Information:";
+ int ystart = mSY - SY + MENU_SCREEN_INFO_YSTART1;
+ int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
+
+ if (filename == NULL)
+ {
+ DrawInfoScreen_NotAvailable(title, "No information for this level set.");
+
+ return;
+ }
+
+ SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
+
+ FadeOut(REDRAW_FIELD);
+
+ ClearField();
+ DrawHeadline();
+
+ DrawTextSCentered(ystart, FONT_TEXT_1, title);
+
+ // if x position set to "-1", automatically determine by playfield width
+ if (tmi->x == -1)
+ tmi->x = SXSIZE / 2;
+
+ // if y position set to "-1", use static default value
+ if (tmi->y == -1)
+ tmi->y = 150;
+
+ // if width set to "-1", automatically determine by playfield width
+ if (tmi->width == -1)
+ tmi->width = SXSIZE - 2 * TILEX;
+
+ // if height set to "-1", automatically determine by playfield height
+ if (tmi->height == -1)
+ tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
+
+ // if chars set to "-1", automatically determine by text and font width
+ if (tmi->chars == -1)
+ tmi->chars = tmi->width / getFontWidth(tmi->font);
+ else
+ tmi->width = tmi->chars * getFontWidth(tmi->font);
+
+ // if lines set to "-1", automatically determine by text and font height
+ if (tmi->lines == -1)
+ tmi->lines = tmi->height / getFontHeight(tmi->font);
+ else
+ tmi->height = tmi->lines * getFontHeight(tmi->font);
+
+ DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
+ filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
+ tmi->autowrap, tmi->centered, tmi->parse_comments);
+
+ DrawTextSCentered(ybottom, FONT_TEXT_4,
+ "Press any key or button for info menu");
+
+ FadeIn(REDRAW_FIELD);
+}
+
+static void HandleInfoScreen_LevelSet(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);
+
+ FadeMenuSoundsAndMusic();
+
+ info_mode = INFO_MODE_MAIN;
+ DrawInfoScreen();
+ }
+ else
+ {
+ PlayMenuSoundIfLoop();
+ }
+}
+
+static void DrawInfoScreen(void)
+{
+ if (info_mode == INFO_MODE_TITLE)
+ DrawInfoScreen_TitleScreen();
+ else if (info_mode == INFO_MODE_ELEMENTS)
+ DrawInfoScreen_Elements();
+ else if (info_mode == INFO_MODE_MUSIC)
+ DrawInfoScreen_Music();
+ else if (info_mode == INFO_MODE_CREDITS)
+ DrawInfoScreen_Credits();
+ else if (info_mode == INFO_MODE_PROGRAM)
+ DrawInfoScreen_Program();
+ else if (info_mode == INFO_MODE_VERSION)
+ DrawInfoScreen_Version();
+ else if (info_mode == INFO_MODE_LEVELSET)
+ DrawInfoScreen_LevelSet();
+ else
+ DrawInfoScreen_Main();
+
+ if (info_mode != INFO_MODE_MAIN &&
+ info_mode != INFO_MODE_TITLE &&
+ info_mode != INFO_MODE_MUSIC)
+ PlayMenuSoundsAndMusic();
+}
+
+void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
+{
+ if (info_mode == INFO_MODE_TITLE)
+ HandleInfoScreen_TitleScreen(button);
+ else if (info_mode == INFO_MODE_ELEMENTS)
+ HandleInfoScreen_Elements(button);
+ else if (info_mode == INFO_MODE_MUSIC)
+ HandleInfoScreen_Music(button);
+ else if (info_mode == INFO_MODE_CREDITS)
+ HandleInfoScreen_Credits(button);
+ else if (info_mode == INFO_MODE_PROGRAM)
+ HandleInfoScreen_Program(button);
+ else if (info_mode == INFO_MODE_VERSION)
+ HandleInfoScreen_Version(button);
+ else if (info_mode == INFO_MODE_LEVELSET)
+ HandleInfoScreen_LevelSet(button);
+ else
+ HandleInfoScreen_Main(mx, my, dx, dy, button);
+}
+
+
+// ============================================================================
+// type name functions
+// ============================================================================
+
+static TreeInfo *type_name_node = NULL;
+static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
+static int type_name_nr = 0;
+
+static int getPlayerNameColor(char *name)
+{
+ return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
+}
+
+static void drawTypeNameText(char *name, struct TextPosInfo *pos,
+ boolean active)
+{
+ char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
+ boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
+ int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
+ int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
+ int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
+ int font_width = getFontWidth(font_nr);
+
+ DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
+
+ sprintf(text, "%s%c", name, (active ? '_' : '\0'));
+
+ pos->width = strlen(text) * font_width;
+ sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
+
+ DrawText(sx, sy, text, font_nr);
+}
+
+static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
+{
+ struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
+
+ *pos = *mci->pos_input;
+
+ if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
+ {
+ TreeInfo *ti = player_name_current;
+ int first_entry = ti->cl_first;
+ int entry_pos = first_entry + ti->cl_cursor;
+ TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
+ int xpos = MENU_SCREEN_START_XPOS;
+ int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
+
+ type_name_node = getTreeInfoFromPos(node_first, entry_pos);
+ type_name_nr = entry_pos;
+
+ strcpy(name, type_name_node->name);
+
+ pos->x = xpos * 32;
+ pos->y = ypos * 32;
+ pos->width = MAX_PLAYER_NAME_LEN * 32;
+ }
+ else
+ {
+ type_name_nr = user.nr;
+
+ strcpy(name, setup.player_name);
+ }
+
+ strcpy(type_name_last, name);
+
+ if (strEqual(name, EMPTY_PLAYER_NAME))
+ strcpy(name, "");
+
+ *xpos = strlen(name);
+}
+
+static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
+{
+ // change name of edited user in global list of user names
+ setString(&global.user_names[type_name_nr], name);
+
+ if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
+ {
+ TreeInfo *node = type_name_node;
+
+ // change name of edited user in local menu tree structure
+ setString(&node->name, name);
+ setString(&node->name_sorting, name);
+
+ node->color = getPlayerNameColor(name);
+ pos->font = MENU_CHOOSE_TREE_FONT(node->color);
+ }
+}
+
+static void setTypeNameValues(char *name, struct TextPosInfo *pos,
+ boolean changed)
+{
+ boolean reset_setup = strEqual(name, "");
+ boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
+ boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
+
+ if (!changed)
+ strcpy(name, type_name_last);
+
+ if (strEqual(name, ""))
+ strcpy(name, EMPTY_PLAYER_NAME);
+
+ setTypeNameValues_Name(name, pos);
+
+ // if player name not changed, no further action required
+ if (strEqual(name, type_name_last))
+ return;
+
+ // redraw player name before (possibly) opening request dialogs
+ drawTypeNameText(name, pos, FALSE);
+
+ int last_user_nr = user.nr;
+
+ if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
+ {
+ // save setup of currently active user (may differ from edited user)
+ SaveSetup();
+
+ // temporarily change active user to edited user
+ user.nr = type_name_nr;
+
+ // load setup of edited user (unless creating user with current setup)
+ if (!create_user ||
+ !Request("Use current setup values for the new player?", REQ_ASK))
+ LoadSetup();
+ }
+
+ char *setup_filename = getSetupFilename();
+ boolean setup_exists = fileExists(setup_filename);
+
+ // change name of edited user in setup structure
+ strcpy(setup.player_name, name);
+
+ // save setup of edited user
+ SaveSetup();
+
+ if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
+ {
+ if (reset_setup)
+ {
+ if (Request("Reset setup values for this player?", REQ_ASK))
+ {
+ // remove setup config file
+ unlink(setup_filename);
+
+ // set player name to default player name
+ LoadSetup();
+
+ // update player name used by name typing functions
+ strcpy(name, setup.player_name);
+
+ setTypeNameValues_Name(name, pos);
+ }
+ }
+ else if (remove_user && type_name_nr != 0)
+ {
+ if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
+ {
+ char *user_dir = getUserGameDataDir();
+ char *user_dir_removed =
+ getStringCat3WithSeparator(user_dir, "REMOVED",
+ getCurrentTimestamp(), ".");
+
+ if (rename(user_dir, user_dir_removed) != 0)
+ Request("Removing settings and tapes failed!", REQ_CONFIRM);
+
+ checked_free(user_dir_removed);
+ }
+ }
+ else if (create_user && type_name_nr != 0 && !setup_exists)
+ {
+ if (Request("Create empty level set for the new player?", REQ_ASK))
+ {
+ char *levelset_subdir = getNewUserLevelSubdir();
+
+ if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
+ {
+ AddUserLevelSetToLevelInfo(levelset_subdir);
+
+ LevelDirTree *leveldir_current_last = leveldir_current;
+
+ leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
+ levelset_subdir);
+
+ // set level number of newly created level set to default value
+ LoadLevelSetup_SeriesInfo();
+
+ // set newly created level set as current level set for new user
+ SaveLevelSetup_LastSeries();
+ SaveLevelSetup_SeriesInfo();
+
+ leveldir_current = leveldir_current_last;
+ }
+ else
+ {
+ Request("Creating new level set failed!", REQ_CONFIRM);
+ }
+ }
+ }
+
+ // restore currently active user
+ user.nr = last_user_nr;
+
+ // restore setup of currently active user
+ LoadSetup();
+
+ // restore last level set of currently active user
+ LoadLevelSetup_LastSeries();
+ LoadLevelSetup_SeriesInfo();
+ }
+}
+
+static void HandleTypeNameExt(boolean initialize, Key key)
+{
+ static struct TextPosInfo pos_name = { 0 };
+ static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
+ static int xpos = 0;
+ struct TextPosInfo *pos = &pos_name;
+ char key_char = getValidConfigValueChar(getCharFromKey(key));
+ boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
+ boolean active = TRUE;
+
+ if (initialize)
+ {
+ getTypeNameValues(name, pos, &xpos);
+
+ int sx = mSX + ALIGNED_TEXT_XPOS(pos);
+ int sy = mSY + ALIGNED_TEXT_YPOS(pos);
+
+ StartTextInput(sx, sy, pos->width, pos->height);
+ }
+ else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
+ {
+ name[xpos] = key_char;
+ name[xpos + 1] = 0;
+
+ xpos++;
+ }
+ else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
+ {
+ xpos--;
+
+ name[xpos] = 0;
+ }
+ else if (key == KSYM_Return)
+ {
+ setTypeNameValues(name, pos, TRUE);
+
+ active = FALSE;
+ }
+ else if (key == KSYM_Escape)
+ {
+ setTypeNameValues(name, pos, FALSE);
+
+ active = FALSE;
+ }
+
+ drawTypeNameText(name, pos, active);
+
+ if (!active)
+ {
+ StopTextInput();
+
+ SetGameStatus(game_status_last_screen);
+
+ if (game_status == GAME_MODE_MAIN)
+ InitializeMainControls();
+ }
+}
+
+static void DrawTypeName(void)
+{
+ HandleTypeNameExt(TRUE, 0);
+}
+
+void HandleTypeName(Key key)
+{
+ HandleTypeNameExt(FALSE, key);
+}
+
+
+// ============================================================================
+// tree menu functions
+// ============================================================================
+
+static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
+{
+ if (game_status != GAME_MODE_SETUP ||
+ DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
+ return 0;
+
+ int max_text_size = 0;
+ TreeInfo *node;
+
+ for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
+ max_text_size = MAX(max_text_size, strlen(node->name));
+
+ int num_entries = numTreeInfoInGroup(ti);
+ boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
+ int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
+ int text_width = max_text_size * getFontWidth(font_nr);
+ int button_width = SC_MENUBUTTON_XSIZE;
+ int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
+ int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
+ int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
+ int x = ALIGNED_XPOS(0, screen_width, align) * -1;
+ int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
+ int align_xoffset = MAX(0, align_xoffset_raw);
+
+ return align_xoffset;
+}
+
+static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
+{
+ if (game_status != GAME_MODE_SETUP ||
+ DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
+ return 0;
+
+ int num_entries = numTreeInfoInGroup(ti);
+ int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
+ int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
+ int font_height = getFontHeight(font_nr);
+ int text_height = font_height * num_page_entries;
+ int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
+ int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
+ int y = ALIGNED_YPOS(0, page_height, align) * -1;
+ int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
+ int align_yoffset = MAX(0, align_yoffset_raw);
+
+ return align_yoffset;
+}
+
+static void DrawChooseTree(TreeInfo **ti_ptr)
+{
+ int fade_mask = REDRAW_FIELD;
+
+ if (CheckFadeAll())
+ fade_mask = REDRAW_ALL;
+
+ if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
+ {
+ SetGameStatus(GAME_MODE_MAIN);
+
+ DrawMainMenu();
+
+ return;
+ }
+
+ UnmapAllGadgets();
+
+ FreeScreenGadgets();
+ CreateScreenGadgets();
+
+ FadeOut(fade_mask);
+
+ // needed if different viewport properties defined for choosing level (set)
+ ChangeViewportPropertiesIfNeeded();
+
+ if (game_status == GAME_MODE_NAMES)
+ SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
+ else if (game_status == GAME_MODE_LEVELNR)
+ SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
+ else if (game_status == GAME_MODE_LEVELS)
+ SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
+
+ ClearField();
+
+ OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
+
+ MapScreenTreeGadgets(*ti_ptr);
+ HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
+
+ DrawMaskedBorder(fade_mask);
+
+ FadeIn(fade_mask);
+}
+
+static void drawChooseTreeList(int first_entry, int num_page_entries,
+ TreeInfo *ti)
+{
+ int num_entries = numTreeInfoInGroup(ti);
+ boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
+ int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
+ int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
+ int i;
+ char *title_string = NULL;
+ int yoffset_sets = MENU_TITLE1_YPOS;
+ int yoffset_setup = 16;
+ int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
+ ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
+
+ title_string = ti->infotext;
+
+ DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
+
+ clearMenuListArea();
+
+ for (i = 0; i < num_page_entries; i++)
+ {
+ TreeInfo *node, *node_first;
+ int entry_pos = first_entry + i;
+
+ node_first = getTreeInfoFirstGroupEntry(ti);
+ node = getTreeInfoFromPos(node_first, entry_pos);
+
+ int font_nr = MENU_CHOOSE_TREE_FONT(node->color);
+ int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
+ int xpos = MENU_SCREEN_START_XPOS;
+ int ypos = MENU_SCREEN_START_YPOS + i;
+ int startx = amSX + xpos * 32;
+ int starty = amSY + ypos * 32;
+ int startx_text = startx + font_xoffset;
+ int endx_text = amSX + screen_width;
+ int max_text_size = endx_text - startx_text;
+ int max_buffer_len = max_text_size / getFontWidth(font_nr);
+ char buffer[max_buffer_len + 1];
+
+ strncpy(buffer, node->name, max_buffer_len);
+ buffer[max_buffer_len] = '\0';
+
+ DrawText(startx, starty, buffer, font_nr);
+
+ if (node->parent_link)
+ initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
+ else if (node->level_group)
+ initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
+ else
+ initCursor(i, IMG_MENU_BUTTON);
+
+ if (game_status == GAME_MODE_NAMES)
+ drawChooseTreeEdit(i, FALSE);
+ }
+
+ redraw_mask |= REDRAW_FIELD;
+}
+
+static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
+{
+ TreeInfo *node, *node_first;
+ int x, last_redraw_mask = redraw_mask;
+ int ypos = MENU_TITLE2_YPOS;
+ int font_nr = FONT_TITLE_2;
+
+ if (ti->type == TREE_TYPE_LEVEL_NR)
+ DrawTextFCentered(ypos, font_nr, leveldir_current->name);
+
+ if (ti->type != TREE_TYPE_LEVEL_DIR)
+ return;
+
+ node_first = getTreeInfoFirstGroupEntry(ti);
+ node = getTreeInfoFromPos(node_first, entry_pos);
+
+ DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
+
+ if (node->parent_link)
+ DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
+ node->node_parent->name);
+ else if (node->level_group)
+ DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
+ node->name);
+ else if (ti->type == TREE_TYPE_LEVEL_DIR)
+ DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
+ node->levels, (node->levels > 1 ? "levels" : "level"),
+ node->class_desc);
+
+ // let BackToFront() redraw only what is needed
+ redraw_mask = last_redraw_mask;
+ for (x = 0; x < SCR_FIELDX; x++)
+ MarkTileDirty(x, 1);
+}
+
+static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
+ TreeInfo **ti_ptr)
+{
+ TreeInfo *ti = *ti_ptr;
+ boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
+ int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
+ int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
+ int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
+ int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
+ int x = 0;
+ int y = ti->cl_cursor;
+ int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
+ int num_entries = numTreeInfoInGroup(ti);
+ int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
+ boolean position_set_by_scrollbar = (dx == 999);
+
+ if (button == MB_MENU_INITIALIZE)
+ {
+ int num_entries = numTreeInfoInGroup(ti);
+ int entry_pos = getPosFromTreeInfo(ti);
+
+ align_xoffset = getAlignXOffsetFromTreeInfo(ti);
+ align_yoffset = getAlignYOffsetFromTreeInfo(ti);
+
+ if (ti->cl_first == -1)
+ {
+ // only on initialization
+ ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
+ ti->cl_cursor = entry_pos - ti->cl_first;
+ }
+ else if (ti->cl_cursor >= num_page_entries ||
+ (num_entries > num_page_entries &&
+ num_entries - ti->cl_first < num_page_entries))
+ {
+ // only after change of list size (by custom graphic configuration)
+ ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
+ ti->cl_cursor = entry_pos - ti->cl_first;
+ }
+
+ if (position_set_by_scrollbar)
+ ti->cl_first = dy;
+ else
+ AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
+ ti->cl_first, ti);
+
+ drawChooseTreeList(ti->cl_first, num_page_entries, ti);
+ drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
+ drawChooseTreeCursor(ti->cl_cursor, TRUE);
+
+ return;
+ }
+ else if (button == MB_MENU_LEAVE)
+ {
+ FadeSetLeaveMenu();
+
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ if (ti->node_parent)
+ {
+ *ti_ptr = ti->node_parent;
+ DrawChooseTree(ti_ptr);
+ }
+ else if (game_status == GAME_MODE_SETUP)
+ {
+ if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
+ setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
+ setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
+ execSetupGame();
+ else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
+ setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
+ setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
+ setup_mode == SETUP_MODE_CHOOSE_VSYNC)
+ execSetupGraphics();
+ else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
+ setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
+ setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
+ execSetupSound();
+ else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
+ setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
+ setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
+ setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
+ setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
+ setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
+ setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
+ setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
+ execSetupTouch();
+ else
+ execSetupArtwork();
+ }
+ else
+ {
+ if (game_status == GAME_MODE_LEVELNR)
+ {
+ int new_level_nr = atoi(level_number_current->identifier);
+
+ HandleMainMenu_SelectLevel(0, 0, new_level_nr);
+ }
+
+ SetGameStatus(GAME_MODE_MAIN);
+
+ DrawMainMenu();
+ }
+
+ return;
+ }
+
+ if (mx || my) // mouse input
+ {
+ x = (mx - amSX) / 32;
+ y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
+
+ if (game_status == GAME_MODE_NAMES)
+ drawChooseTreeEdit(ti->cl_cursor, FALSE);
+ }
+ else if (dx || dy) // keyboard or scrollbar/scrollbutton input
+ {
+ // move cursor instead of scrolling when already at start/end of list
+ if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
+ dy = -1;
+ else if (dy == +1 * SCROLL_LINE &&
+ ti->cl_first + num_page_entries == num_entries)
+ dy = 1;
+
+ // handle scrolling screen one line or page
+ if (ti->cl_cursor + dy < 0 ||
+ ti->cl_cursor + dy > num_page_entries - 1)
+ {
+ boolean redraw = FALSE;
+
+ if (ABS(dy) == SCROLL_PAGE)
+ step = num_page_entries - 1;
+
+ if (dy < 0 && ti->cl_first > 0)
+ {
+ // scroll page/line up
+
+ ti->cl_first -= step;
+ if (ti->cl_first < 0)
+ ti->cl_first = 0;
+
+ redraw = TRUE;
+ }
+ else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
+ {
+ // scroll page/line down
+
+ ti->cl_first += step;
+ if (ti->cl_first + num_page_entries > num_entries)
+ ti->cl_first = MAX(0, num_entries - num_page_entries);
+
+ redraw = TRUE;
+ }
+
+ if (redraw)
+ {
+ drawChooseTreeList(ti->cl_first, num_page_entries, ti);
+ drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
+ drawChooseTreeCursor(ti->cl_cursor, TRUE);
+
+ AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
+ ti->cl_first, ti);
+ }
+
+ return;
+ }
+
+ // handle moving cursor one line
+ y = ti->cl_cursor + dy;
+ }
+
+ if (dx == 1)
+ {
+ TreeInfo *node_first, *node_cursor;
+ int entry_pos = ti->cl_first + y;
+
+ node_first = getTreeInfoFirstGroupEntry(ti);
+ node_cursor = getTreeInfoFromPos(node_first, entry_pos);
+
+ if (node_cursor->node_group)
+ {
+ FadeSetEnterMenu();
+
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ node_cursor->cl_first = ti->cl_first;
+ node_cursor->cl_cursor = ti->cl_cursor;
+ *ti_ptr = node_cursor->node_group;
+ DrawChooseTree(ti_ptr);
+
+ return;
+ }
+ }
+ else if (dx == -1 && ti->node_parent)
+ {
+ FadeSetLeaveMenu();
+
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ *ti_ptr = ti->node_parent;
+ DrawChooseTree(ti_ptr);
+
+ return;
+ }
+
+ if (!anyScrollbarGadgetActive() &&
+ IN_VIS_MENU(x, y) &&
+ mx < mx_right_border &&
+ y >= 0 && y < num_page_entries)
+ {
+ if (button)
+ {
+ if (game_status == GAME_MODE_NAMES)
+ {
+ if (mx >= sx1_edit_name && mx <= sx2_edit_name)
+ drawChooseTreeEdit(y, TRUE);
+ }
+
+ if (y != ti->cl_cursor)
+ {
+ PlaySound(SND_MENU_ITEM_ACTIVATING);
+
+ drawChooseTreeCursor(ti->cl_cursor, FALSE);
+ drawChooseTreeCursor(y, TRUE);
+ drawChooseTreeInfo(ti->cl_first + y, ti);
+
+ ti->cl_cursor = y;
+ }
+ else if (dx < 0)
+ {
+ if (game_status == GAME_MODE_SETUP)
+ {
+ if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
+ setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
+ setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
+ execSetupGame();
+ else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
+ setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
+ setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
+ setup_mode == SETUP_MODE_CHOOSE_VSYNC)
+ execSetupGraphics();
+ else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
+ setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
+ setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
+ execSetupSound();
+ else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
+ setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
+ setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
+ setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
+ setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
+ setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
+ setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
+ setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
+ execSetupTouch();
+ else
+ execSetupArtwork();
+ }
+ }
+ }
+ else
+ {
+ TreeInfo *node_first, *node_cursor;
+ int entry_pos = ti->cl_first + y;
+
+ PlaySound(SND_MENU_ITEM_SELECTING);
+
+ node_first = getTreeInfoFirstGroupEntry(ti);
+ node_cursor = getTreeInfoFromPos(node_first, entry_pos);
+
+ if (node_cursor->node_group)
+ {
+ FadeSetEnterMenu();