// (c) 1995-2014 by Artsoft Entertainment
// Holger Schemel
// info@artsoft.org
-// http://www.artsoft.org/
+// https://www.artsoft.org/
// ----------------------------------------------------------------------------
// screens.c
// ============================================================================
// (should also match corresponding entries in src/conf_gfx.c)
#define SETUP_MODE_MAIN 0
#define SETUP_MODE_GAME 1
-#define SETUP_MODE_EDITOR 2
-#define SETUP_MODE_GRAPHICS 3
-#define SETUP_MODE_SOUND 4
-#define SETUP_MODE_ARTWORK 5
-#define SETUP_MODE_INPUT 6
-#define SETUP_MODE_TOUCH 7
-#define SETUP_MODE_SHORTCUTS 8
-#define SETUP_MODE_SHORTCUTS_1 9
-#define SETUP_MODE_SHORTCUTS_2 10
-#define SETUP_MODE_SHORTCUTS_3 11
-#define SETUP_MODE_SHORTCUTS_4 12
-#define SETUP_MODE_SHORTCUTS_5 13
+#define SETUP_MODE_ENGINES 2
+#define SETUP_MODE_EDITOR 3
+#define SETUP_MODE_GRAPHICS 4
+#define SETUP_MODE_SOUND 5
+#define SETUP_MODE_ARTWORK 6
+#define SETUP_MODE_INPUT 7
+#define SETUP_MODE_TOUCH 8
+#define SETUP_MODE_SHORTCUTS 9
+#define SETUP_MODE_SHORTCUTS_1 10
+#define SETUP_MODE_SHORTCUTS_2 11
+#define SETUP_MODE_SHORTCUTS_3 12
+#define SETUP_MODE_SHORTCUTS_4 13
+#define SETUP_MODE_SHORTCUTS_5 14
// sub-screens on the setup screen (generic)
-#define SETUP_MODE_CHOOSE_ARTWORK 14
-#define SETUP_MODE_CHOOSE_OTHER 15
+#define SETUP_MODE_CHOOSE_ARTWORK 15
+#define SETUP_MODE_CHOOSE_OTHER 16
// sub-screens on the setup screen (specific)
-#define SETUP_MODE_CHOOSE_GAME_SPEED 16
-#define SETUP_MODE_CHOOSE_SCROLL_DELAY 17
-#define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 18
-#define SETUP_MODE_CHOOSE_WINDOW_SIZE 19
-#define SETUP_MODE_CHOOSE_SCALING_TYPE 20
-#define SETUP_MODE_CHOOSE_RENDERING 21
-#define SETUP_MODE_CHOOSE_VSYNC 22
-#define SETUP_MODE_CHOOSE_GRAPHICS 23
-#define SETUP_MODE_CHOOSE_SOUNDS 24
-#define SETUP_MODE_CHOOSE_MUSIC 25
-#define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 26
-#define SETUP_MODE_CHOOSE_VOLUME_LOOPS 27
-#define SETUP_MODE_CHOOSE_VOLUME_MUSIC 28
-#define SETUP_MODE_CHOOSE_TOUCH_CONTROL 29
-#define SETUP_MODE_CHOOSE_MOVE_DISTANCE 30
-#define SETUP_MODE_CHOOSE_DROP_DISTANCE 31
-#define SETUP_MODE_CHOOSE_TRANSPARENCY 32
-#define SETUP_MODE_CHOOSE_GRID_XSIZE_0 33
-#define SETUP_MODE_CHOOSE_GRID_YSIZE_0 34
-#define SETUP_MODE_CHOOSE_GRID_XSIZE_1 35
-#define SETUP_MODE_CHOOSE_GRID_YSIZE_1 36
-#define SETUP_MODE_CONFIG_VIRT_BUTTONS 37
-
-#define MAX_SETUP_MODES 38
+#define SETUP_MODE_CHOOSE_GAME_SPEED 17
+#define SETUP_MODE_CHOOSE_SCROLL_DELAY 18
+#define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 19
+#define SETUP_MODE_CHOOSE_WINDOW_SIZE 20
+#define SETUP_MODE_CHOOSE_SCALING_TYPE 21
+#define SETUP_MODE_CHOOSE_RENDERING 22
+#define SETUP_MODE_CHOOSE_VSYNC 23
+#define SETUP_MODE_CHOOSE_GRAPHICS 24
+#define SETUP_MODE_CHOOSE_SOUNDS 25
+#define SETUP_MODE_CHOOSE_MUSIC 26
+#define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 27
+#define SETUP_MODE_CHOOSE_VOLUME_LOOPS 28
+#define SETUP_MODE_CHOOSE_VOLUME_MUSIC 29
+#define SETUP_MODE_CHOOSE_TOUCH_CONTROL 30
+#define SETUP_MODE_CHOOSE_MOVE_DISTANCE 31
+#define SETUP_MODE_CHOOSE_DROP_DISTANCE 32
+#define SETUP_MODE_CHOOSE_TRANSPARENCY 33
+#define SETUP_MODE_CHOOSE_GRID_XSIZE_0 34
+#define SETUP_MODE_CHOOSE_GRID_YSIZE_0 35
+#define SETUP_MODE_CHOOSE_GRID_XSIZE_1 36
+#define SETUP_MODE_CHOOSE_GRID_YSIZE_1 37
+#define SETUP_MODE_CONFIG_VIRT_BUTTONS 38
+
+#define MAX_SETUP_MODES 39
#define MAX_MENU_MODES MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
// setup screen titles
#define STR_SETUP_MAIN "Setup"
#define STR_SETUP_GAME "Game & Menu"
+#define STR_SETUP_ENGINES "Game Engines"
#define STR_SETUP_EDITOR "Editor"
#define STR_SETUP_GRAPHICS "Graphics"
#define STR_SETUP_SOUND "Sound & Music"
#define SCREEN_CTRL_ID_NEXT_PLAYER 6
#define SCREEN_CTRL_ID_INSERT_SOLUTION 7
#define SCREEN_CTRL_ID_PLAY_SOLUTION 8
-#define SCREEN_CTRL_ID_TOUCH_PREV_PAGE 9
-#define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE 10
-#define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 11
-#define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 12
-#define SCREEN_CTRL_ID_SCROLL_UP 13
-#define SCREEN_CTRL_ID_SCROLL_DOWN 14
-#define SCREEN_CTRL_ID_SCROLL_VERTICAL 15
-#define SCREEN_CTRL_ID_NETWORK_SERVER 16
-
-#define NUM_SCREEN_GADGETS 17
-
-#define NUM_SCREEN_MENUBUTTONS 13
+#define SCREEN_CTRL_ID_SWITCH_ECS_AGA 9
+#define SCREEN_CTRL_ID_TOUCH_PREV_PAGE 10
+#define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE 11
+#define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
+#define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
+#define SCREEN_CTRL_ID_SCROLL_UP 14
+#define SCREEN_CTRL_ID_SCROLL_DOWN 15
+#define SCREEN_CTRL_ID_SCROLL_VERTICAL 16
+#define SCREEN_CTRL_ID_NETWORK_SERVER 17
+
+#define NUM_SCREEN_GADGETS 18
+
+#define NUM_SCREEN_MENUBUTTONS 14
#define NUM_SCREEN_SCROLLBUTTONS 2
#define NUM_SCREEN_SCROLLBARS 1
#define NUM_SCREEN_TEXTINPUT 1
static void ConfigureJoystick(int);
static void ConfigureVirtualButtons(void);
static void execSetupGame(void);
+static void execSetupEngines(void);
static void execSetupGraphics(void);
static void execSetupSound(void);
static void execSetupTouch(void);
int sound_local = base + nr;
#if 0
- printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
- nr, initial, is_image,
- sound_global, getSoundListEntry(sound_global)->filename,
- sound_local, getSoundListEntry(sound_local)->filename);
+ Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
+ nr, initial, is_image,
+ sound_global, getSoundListEntry(sound_global)->filename,
+ sound_local, getSoundListEntry(sound_local)->filename);
#endif
if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
int music_local = base + nr;
#if 0
- printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
- nr, initial, is_image,
- music_global, getMusicListEntry(music_global)->filename,
- music_local, getMusicListEntry(music_local)->filename);
+ Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
+ nr, initial, is_image,
+ music_global, getMusicListEntry(music_global)->filename,
+ music_local, getMusicListEntry(music_local)->filename);
#endif
if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
int rect_y = ALIGNED_TEXT_YPOS(rect);
#if 0
- printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
- x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
- (x >= rect_x && x < rect_x + rect->width &&
- y >= rect_y && y < rect_y + rect->height));
+ Debug("screens:insideTextPosRect",
+ "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
+ x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
+ (x >= rect_x && x < rect_x + rect->width &&
+ y >= rect_y && y < rect_y + rect->height));
#endif
return (x >= rect_x && x < rect_x + rect->width &&
return;
}
- // needed if last screen was the setup screen and fullscreen state changed
- // (moved to "execSetupGraphics()" to change fullscreen state directly)
- // ToggleFullscreenOrChangeWindowScalingIfNeeded();
-
// leveldir_current may be invalid (level group, parent link)
if (!validLevelSeries(leveldir_current))
leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
+ 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 *num_page_entries_last = num_page_entries_all_last[game_status];
int *choice_store = choice_stores[game_status];
int *first_entry_store = first_entry_stores[game_status];
if (!anyScrollbarGadgetActive() &&
IN_VIS_MENU(x, y) &&
- mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
+ mx < mx_right_border &&
y >= 0 && y < num_page_entries)
{
if (button)
}
DrawTextF(xstart1, ystart, font_head, "Platform");
- DrawTextF(xstart2, ystart, font_text, PLATFORM_STRING);
+ DrawTextF(xstart2, ystart, font_text, "%s (%s)",
+ PLATFORM_STRING,
+ PLATFORM_XX_BIT_STRING);
ystart += ystep_line;
DrawTextF(xstart1, ystart, font_head, "Target");
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(xstart3, ystart, font_head, "Used");
ystart += ystep_head;
- driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
+ 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, "SDL_VideoDriver");
+ 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_GetAudioDriver(0), driver_name_len);
+ driver_name =
+ getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
- DrawTextF(xstart1, ystart, font_text, "SDL_AudioDriver");
+ 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);
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 x = 0;
int y = ti->cl_cursor;
int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
if (!anyScrollbarGadgetActive() &&
IN_VIS_MENU(x, y) &&
- mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
+ mx < mx_right_border &&
y >= 0 && y < num_page_entries)
{
if (button)
DrawSetupScreen();
}
+static void execSetupEngines(void)
+{
+ setup_mode = SETUP_MODE_ENGINES;
+
+ DrawSetupScreen();
+}
+
static void execSetupEditor(void)
{
setup_mode = SETUP_MODE_EDITOR;
if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
execSetupGraphics_setWindowSizes(FALSE);
+ // update "setup.vsync_mode" from list selection
+ // (in this case, vsync mode was changed on setup screen)
+ if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
+ execSetupGraphics_setVsyncModes(FALSE);
+
// update list selection from "setup.window_scaling_percent"
// (window scaling may have changed by resizing the window)
execSetupGraphics_setWindowSizes(TRUE);
+ // update list selection from "setup.vsync_mode"
+ // (vsync_mode may have changed by re-creating the renderer)
+ execSetupGraphics_setVsyncModes(TRUE);
+
execSetupGraphics_setScalingTypes();
execSetupGraphics_setRenderingModes();
- execSetupGraphics_setVsyncModes(FALSE);
setup_mode = SETUP_MODE_GRAPHICS;
ModifyGameSpeedIfNeeded();
// window scaling may have changed at this point
- ToggleFullscreenOrChangeWindowScalingIfNeeded();
+ ChangeWindowScalingIfNeeded();
// window scaling quality may have changed at this point
if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
// screen rendering mode may have changed at this point
SDLSetScreenRenderingMode(setup.screen_rendering_mode);
+ int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
+ int video_vsync_mode = video.vsync_mode;
+
// screen vsync mode may have changed at this point
- SDLSetScreenVsyncMode(setup.vsync_mode);
+ ChangeVsyncModeIfNeeded();
+
+ // check if setting vsync mode to selected value failed
+ if (setup_vsync_mode != video_vsync_mode &&
+ setup_vsync_mode != video.vsync_mode)
+ {
+ // changing vsync mode to selected value failed -- reset displayed value
+ execSetupGraphics_setVsyncModes(TRUE);
+
+ Request("Setting VSync failed!", REQ_CONFIRM);
+
+ DrawSetupScreen();
+ }
}
static void execSetupChooseWindowSize(void)
static void execSetupArtwork(void)
{
#if 0
- printf("::: '%s', '%s', '%s'\n",
- artwork.gfx_current->subdir,
- artwork.gfx_current->fullpath,
- artwork.gfx_current->basepath);
+ Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
+ artwork.gfx_current->subdir,
+ artwork.gfx_current->fullpath,
+ artwork.gfx_current->basepath);
#endif
setup.graphics_set = artwork.gfx_current->identifier;
{ &setup.touch.grid_ysize[1], &grid_size_text[1][1] },
{ &setup.internal.menu_game, execSetupGame },
+ { &setup.internal.menu_engines, execSetupEngines },
{ &setup.internal.menu_editor, execSetupEditor },
{ &setup.internal.menu_graphics, execSetupGraphics },
{ &setup.internal.menu_sound, execSetupSound },
static struct TokenInfo setup_info_main[] =
{
{ TYPE_ENTER_MENU, execSetupGame, STR_SETUP_GAME },
+ { TYPE_ENTER_MENU, execSetupEngines, STR_SETUP_ENGINES },
{ TYPE_ENTER_MENU, execSetupEditor, STR_SETUP_EDITOR },
{ TYPE_ENTER_MENU, execSetupGraphics, STR_SETUP_GRAPHICS },
{ TYPE_ENTER_MENU, execSetupSound, STR_SETUP_SOUND },
{ TYPE_ENTER_LIST, execSetupChooseScrollDelay, "Scroll Delay:" },
{ TYPE_STRING, &scroll_delay_text, "" },
#endif
- { TYPE_SWITCH, &setup.forced_scroll_delay,"Scroll Delay in EM engine:" },
{ TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
{ TYPE_STRING, &snapshot_mode_text, "" },
{ TYPE_SWITCH, &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
{ 0, NULL, NULL }
};
+static struct TokenInfo setup_info_engines[] =
+{
+ { TYPE_HEADLINE, NULL, "Emerald Mine" },
+ { TYPE_SWITCH, &setup.forced_scroll_delay, "Scroll Delay:" },
+ { TYPE_ECS_AGA, &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
+ { TYPE_SWITCH, &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
+ { TYPE_EMPTY, NULL, "" },
+ { TYPE_HEADLINE, NULL, "Supaplex" },
+ { TYPE_SWITCH, &setup.sp_show_border_elements, "Border Elements:" },
+ { TYPE_EMPTY, NULL, "" },
+ { TYPE_LEAVE_MENU, execSetupMain, "Back" },
+
+ { 0, NULL, NULL }
+};
+
static struct TokenInfo setup_info_editor[] =
{
#if 0
{ TYPE_SWITCH, &setup.quick_doors, "Quick Menu Doors:" },
{ TYPE_SWITCH, &setup.show_titlescreen,"Show Title Screens:" },
{ TYPE_SWITCH, &setup.toons, "Show Menu Animations:" },
- { TYPE_ECS_AGA, &setup.prefer_aga_graphics,"EMC graphics preference:" },
- { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
{ TYPE_SWITCH, &setup.small_game_graphics, "Small Game Graphics:" },
{ TYPE_EMPTY, NULL, "" },
{ TYPE_LEAVE_MENU, execSetupMain, "Back" },
// fullscreen state may have changed at this point
if (si->value == &setup.fullscreen)
- ToggleFullscreenOrChangeWindowScalingIfNeeded();
+ ToggleFullscreenIfNeeded();
// network mode may have changed at this point
if (si->value == &setup.network_mode)
setup_info = setup_info_game;
title_string = STR_SETUP_GAME;
}
+ else if (setup_mode == SETUP_MODE_ENGINES)
+ {
+ setup_info = setup_info_engines;
+ title_string = STR_SETUP_ENGINES;
+ }
else if (setup_mode == SETUP_MODE_EDITOR)
{
setup_info = setup_info_editor;
#if DEBUG_JOYSTICKS
// print info about the joystick we are watching
- Error(ERR_DEBUG, "watching joystick %d: (%s)\n",
+ Debug("joystick", "watching joystick %d: (%s)",
SDL_JoystickInstanceID(joystick), name);
- Error(ERR_DEBUG, "joystick has %d axes, %d hats, %d balls, and %d buttons\n",
+ Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
#endif
if (success)
{
#if DEBUG_JOYSTICKS
- Error(ERR_DEBUG, "New game controller mapping:\n\n%s\n\n", mapping);
+ Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
#endif
// activate mapping for this game
overlay.grid_button_highlight = grid_button[step_nr];
+ UnmapAllGadgets();
+
FadeSetEnterMenu();
FadeOut(REDRAW_FIELD);
GameActions(); // main game loop
if (tape.auto_play && !tape.playing)
- AutoPlayTape(); // continue automatically playing next tape
+ AutoPlayTapes(); // continue automatically playing next tape
}
GD_EVENT_RELEASED,
FALSE, "play solution tape"
},
+ {
+ IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
+ &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
+ SCREEN_CTRL_ID_SWITCH_ECS_AGA,
+ SCREEN_MASK_MAIN,
+ GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
+ FALSE, "switch ECS/AGA chipset"
+ },
{
IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
&menu.setup.button.touch_back, NULL,
GDI_END);
if (gi == NULL)
- Error(ERR_EXIT, "cannot create gadget");
+ Fail("cannot create gadget");
screen_gadget[id] = gi;
}
GDI_END);
if (gi == NULL)
- Error(ERR_EXIT, "cannot create gadget");
+ Fail("cannot create gadget");
screen_gadget[id] = gi;
}
GDI_END);
if (gi == NULL)
- Error(ERR_EXIT, "cannot create gadget");
+ Fail("cannot create gadget");
screen_gadget[id] = gi;
}
GDI_END);
if (gi == NULL)
- Error(ERR_EXIT, "cannot create gadget");
+ Fail("cannot create gadget");
screen_gadget[id] = gi;
}
PlaySolutionTape();
break;
+ case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
+ setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
+ DrawMainMenu();
+ break;
+
case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
projects / rocksndiamonds.git / blobdiff