+
+void CheckSaveEngineSnapshot_EM(byte action[MAX_PLAYERS], int frame,
+ boolean any_player_moving,
+ boolean any_player_snapping,
+ boolean any_player_dropping)
+{
+ if (frame == 0 && !any_player_dropping)
+ {
+ if (!local_player->was_waiting)
+ {
+ if (!CheckSaveEngineSnapshotToList())
+ return;
+
+ local_player->was_waiting = TRUE;
+ }
+ }
+ else if (any_player_moving || any_player_snapping || any_player_dropping)
+ {
+ local_player->was_waiting = FALSE;
+ }
+}
+
+void CheckSaveEngineSnapshot_SP(boolean murphy_is_waiting,
+ boolean murphy_is_dropping)
+{
+ if (murphy_is_waiting)
+ {
+ if (!local_player->was_waiting)
+ {
+ if (!CheckSaveEngineSnapshotToList())
+ return;
+
+ local_player->was_waiting = TRUE;
+ }
+ }
+ else
+ {
+ local_player->was_waiting = FALSE;
+ }
+}
+
+void CheckSaveEngineSnapshot_MM(boolean element_clicked,
+ boolean button_released)
+{
+ if (button_released)
+ {
+ if (game.snapshot.mode == SNAPSHOT_MODE_EVERY_MOVE)
+ CheckSaveEngineSnapshotToList();
+ }
+ else if (element_clicked)
+ {
+ if (game.snapshot.mode != SNAPSHOT_MODE_EVERY_MOVE)
+ CheckSaveEngineSnapshotToList();
+
+ game.snapshot.changed_action = TRUE;
+ }
+}
+
+void CheckSingleStepMode_EM(byte action[MAX_PLAYERS], int frame,
+ boolean any_player_moving,
+ boolean any_player_snapping,
+ boolean any_player_dropping)
+{
+ if (tape.single_step && tape.recording && !tape.pausing)
+ if (frame == 0 && !any_player_dropping)
+ TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
+
+ CheckSaveEngineSnapshot_EM(action, frame, any_player_moving,
+ any_player_snapping, any_player_dropping);
+}
+
+void CheckSingleStepMode_SP(boolean murphy_is_waiting,
+ boolean murphy_is_dropping)
+{
+ boolean murphy_starts_dropping = FALSE;
+ int i;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ if (stored_player[i].force_dropping)
+ murphy_starts_dropping = TRUE;
+
+ if (tape.single_step && tape.recording && !tape.pausing)
+ if (murphy_is_waiting && !murphy_starts_dropping)
+ TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
+
+ CheckSaveEngineSnapshot_SP(murphy_is_waiting, murphy_is_dropping);
+}
+
+void CheckSingleStepMode_MM(boolean element_clicked,
+ boolean button_released)
+{
+ if (tape.single_step && tape.recording && !tape.pausing)
+ if (button_released)
+ TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
+
+ CheckSaveEngineSnapshot_MM(element_clicked, button_released);
+}
+
+void getGraphicSource_SP(struct GraphicInfo_SP *g_sp,
+ int graphic, int sync_frame, int x, int y)
+{
+ int frame = getGraphicAnimationFrame(graphic, sync_frame);
+
+ getGraphicSource(graphic, frame, &g_sp->bitmap, &g_sp->src_x, &g_sp->src_y);
+}
+
+boolean isNextAnimationFrame_SP(int graphic, int sync_frame)
+{
+ return (IS_NEXT_FRAME(sync_frame, graphic));
+}
+
+int getGraphicInfo_Delay(int graphic)
+{
+ return graphic_info[graphic].anim_delay;
+}
+
+void PlayMenuSoundExt(int sound)
+{
+ if (sound == SND_UNDEFINED)
+ return;
+
+ if ((!setup.sound_simple && !IS_LOOP_SOUND(sound)) ||
+ (!setup.sound_loops && IS_LOOP_SOUND(sound)))
+ return;
+
+ if (IS_LOOP_SOUND(sound))
+ PlaySoundLoop(sound);
+ else
+ PlaySound(sound);
+}
+
+void PlayMenuSound()
+{
+ PlayMenuSoundExt(menu.sound[game_status]);
+}
+
+void PlayMenuSoundStereo(int sound, int stereo_position)
+{
+ if (sound == SND_UNDEFINED)
+ return;
+
+ if ((!setup.sound_simple && !IS_LOOP_SOUND(sound)) ||
+ (!setup.sound_loops && IS_LOOP_SOUND(sound)))
+ return;
+
+ if (IS_LOOP_SOUND(sound))
+ PlaySoundExt(sound, SOUND_MAX_VOLUME, stereo_position, SND_CTRL_PLAY_LOOP);
+ else
+ PlaySoundStereo(sound, stereo_position);
+}
+
+void PlayMenuSoundIfLoopExt(int sound)
+{
+ if (sound == SND_UNDEFINED)
+ return;
+
+ if ((!setup.sound_simple && !IS_LOOP_SOUND(sound)) ||
+ (!setup.sound_loops && IS_LOOP_SOUND(sound)))
+ return;
+
+ if (IS_LOOP_SOUND(sound))
+ PlaySoundLoop(sound);
+}
+
+void PlayMenuSoundIfLoop()
+{
+ PlayMenuSoundIfLoopExt(menu.sound[game_status]);
+}
+
+void PlayMenuMusicExt(int music)
+{
+ if (music == MUS_UNDEFINED)
+ return;
+
+ if (!setup.sound_music)
+ return;
+
+ PlayMusic(music);
+}
+
+void PlayMenuMusic()
+{
+ char *curr_music = getCurrentlyPlayingMusicFilename();
+ char *next_music = getMusicInfoEntryFilename(menu.music[game_status]);
+
+ if (!strEqual(curr_music, next_music))
+ PlayMenuMusicExt(menu.music[game_status]);
+}
+
+void PlayMenuSoundsAndMusic()
+{
+ PlayMenuSound();
+ PlayMenuMusic();
+}
+
+static void FadeMenuSounds()
+{
+ FadeSounds();
+}
+
+static void FadeMenuMusic()
+{
+ char *curr_music = getCurrentlyPlayingMusicFilename();
+ char *next_music = getMusicInfoEntryFilename(menu.music[game_status]);
+
+ if (!strEqual(curr_music, next_music))
+ FadeMusic();
+}
+
+void FadeMenuSoundsAndMusic()
+{
+ FadeMenuSounds();
+ FadeMenuMusic();
+}
+
+void PlaySoundActivating()
+{
+#if 0
+ PlaySound(SND_MENU_ITEM_ACTIVATING);
+#endif
+}
+
+void PlaySoundSelecting()
+{
+#if 0
+ PlaySound(SND_MENU_ITEM_SELECTING);
+#endif
+}
+
+void ToggleFullscreenOrChangeWindowScalingIfNeeded()
+{
+ boolean change_fullscreen = (setup.fullscreen !=
+ video.fullscreen_enabled);
+ boolean change_window_scaling_percent = (!video.fullscreen_enabled &&
+ setup.window_scaling_percent !=
+ video.window_scaling_percent);
+
+ if (change_window_scaling_percent && video.fullscreen_enabled)
+ return;
+
+ if (!change_window_scaling_percent && !video.fullscreen_available)
+ return;
+
+#if defined(TARGET_SDL2)
+ if (change_window_scaling_percent)
+ {
+ SDLSetWindowScaling(setup.window_scaling_percent);
+
+ return;
+ }
+ else if (change_fullscreen)
+ {
+ SDLSetWindowFullscreen(setup.fullscreen);
+
+ /* set setup value according to successfully changed fullscreen mode */
+ setup.fullscreen = video.fullscreen_enabled;
+
+ return;
+ }
+#endif
+
+ if (change_fullscreen ||
+ change_window_scaling_percent)
+ {
+ Bitmap *tmp_backbuffer = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
+
+ /* save backbuffer content which gets lost when toggling fullscreen mode */
+ BlitBitmap(backbuffer, tmp_backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+ if (change_window_scaling_percent)
+ {
+ /* keep window mode, but change window scaling */
+ video.fullscreen_enabled = TRUE; /* force new window scaling */
+ }
+
+ /* toggle fullscreen */
+ ChangeVideoModeIfNeeded(setup.fullscreen);
+
+ /* set setup value according to successfully changed fullscreen mode */
+ setup.fullscreen = video.fullscreen_enabled;
+
+ /* restore backbuffer content from temporary backbuffer backup bitmap */
+ BlitBitmap(tmp_backbuffer, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+ FreeBitmap(tmp_backbuffer);
+
+ /* update visible window/screen */
+ BlitBitmap(backbuffer, window, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+ }
+}
+
+void JoinRectangles(int *x, int *y, int *width, int *height,
+ int x2, int y2, int width2, int height2)
+{
+ // do not join with "off-screen" rectangle
+ if (x2 == -1 || y2 == -1)
+ return;
+
+ *x = MIN(*x, x2);
+ *y = MIN(*y, y2);
+ *width = MAX(*width, width2);
+ *height = MAX(*height, height2);
+}
+
+void SetAnimStatus(int anim_status_new)
+{
+ if (anim_status_new == GAME_MODE_MAIN)
+ anim_status_new = GAME_MODE_PSEUDO_MAINONLY;
+ else if (anim_status_new == GAME_MODE_SCORES)
+ anim_status_new = GAME_MODE_PSEUDO_SCORESOLD;
+
+ global.anim_status_next = anim_status_new;
+
+ // directly set screen modes that are entered without fading
+ if ((global.anim_status == GAME_MODE_PSEUDO_MAINONLY &&
+ global.anim_status_next == GAME_MODE_PSEUDO_TYPENAME) ||
+ (global.anim_status == GAME_MODE_PSEUDO_TYPENAME &&
+ global.anim_status_next == GAME_MODE_PSEUDO_MAINONLY))
+ global.anim_status = global.anim_status_next;
+}
+
+void SetGameStatus(int game_status_new)
+{
+ if (game_status_new != game_status)
+ game_status_last_screen = game_status;
+
+ game_status = game_status_new;
+
+ SetAnimStatus(game_status_new);
+}
+
+void SetFontStatus(int game_status_new)
+{
+ static int last_game_status = -1;
+
+ if (game_status_new != -1)
+ {
+ // set game status for font use after storing last game status
+ last_game_status = game_status;
+ game_status = game_status_new;
+ }
+ else
+ {
+ // reset game status after font use from last stored game status
+ game_status = last_game_status;
+ }
+}
+
+void ResetFontStatus()
+{
+ SetFontStatus(-1);
+}
+
+boolean CheckIfPlayfieldViewportHasChanged()
+{
+ // if game status has not changed, playfield viewport has not changed either
+ if (game_status == game_status_last)
+ return FALSE;
+
+ // check if playfield viewport has changed with current game status
+ struct RectWithBorder *vp_playfield = &viewport.playfield[game_status];
+ int new_real_sx = vp_playfield->x;
+ int new_real_sy = vp_playfield->y;
+ int new_full_sxsize = vp_playfield->width;
+ int new_full_sysize = vp_playfield->height;
+
+ return (new_real_sx != REAL_SX ||
+ new_real_sy != REAL_SY ||
+ new_full_sxsize != FULL_SXSIZE ||
+ new_full_sysize != FULL_SYSIZE);
+}
+
+boolean CheckIfGlobalBorderOrPlayfieldViewportHasChanged()
+{
+ return (CheckIfGlobalBorderHasChanged() ||
+ CheckIfPlayfieldViewportHasChanged());
+}
+
+void ChangeViewportPropertiesIfNeeded()
+{
+ boolean use_mini_tilesize = (level.game_engine_type == GAME_ENGINE_TYPE_MM ?
+ FALSE : setup.small_game_graphics);
+ int gfx_game_mode = game_status;
+ int gfx_game_mode2 = (game_status == GAME_MODE_EDITOR ? GAME_MODE_DEFAULT :
+ game_status);
+ struct RectWithBorder *vp_window = &viewport.window[gfx_game_mode];
+ struct RectWithBorder *vp_playfield = &viewport.playfield[gfx_game_mode];
+ struct RectWithBorder *vp_door_1 = &viewport.door_1[gfx_game_mode];
+ struct RectWithBorder *vp_door_2 = &viewport.door_2[gfx_game_mode2];
+ struct RectWithBorder *vp_door_3 = &viewport.door_2[GAME_MODE_EDITOR];
+ int new_win_xsize = vp_window->width;
+ int new_win_ysize = vp_window->height;
+ int border_size = vp_playfield->border_size;
+ int new_sx = vp_playfield->x + border_size;
+ int new_sy = vp_playfield->y + border_size;
+ int new_sxsize = vp_playfield->width - 2 * border_size;
+ int new_sysize = vp_playfield->height - 2 * border_size;
+ int new_real_sx = vp_playfield->x;
+ int new_real_sy = vp_playfield->y;
+ int new_full_sxsize = vp_playfield->width;
+ int new_full_sysize = vp_playfield->height;
+ int new_dx = vp_door_1->x;
+ int new_dy = vp_door_1->y;
+ int new_dxsize = vp_door_1->width;
+ int new_dysize = vp_door_1->height;
+ int new_vx = vp_door_2->x;
+ int new_vy = vp_door_2->y;
+ int new_vxsize = vp_door_2->width;
+ int new_vysize = vp_door_2->height;
+ int new_ex = vp_door_3->x;
+ int new_ey = vp_door_3->y;
+ int new_exsize = vp_door_3->width;
+ int new_eysize = vp_door_3->height;
+ int new_tilesize_var = (use_mini_tilesize ? MINI_TILESIZE : game.tile_size);
+ int tilesize = (gfx_game_mode == GAME_MODE_PLAYING ? new_tilesize_var :
+ gfx_game_mode == GAME_MODE_EDITOR ? MINI_TILESIZE : TILESIZE);
+ int new_scr_fieldx = new_sxsize / tilesize;
+ int new_scr_fieldy = new_sysize / tilesize;
+ int new_scr_fieldx_buffers = new_sxsize / new_tilesize_var;
+ int new_scr_fieldy_buffers = new_sysize / new_tilesize_var;
+ boolean init_gfx_buffers = FALSE;
+ boolean init_video_buffer = FALSE;
+ boolean init_gadgets_and_anims = FALSE;
+ boolean init_em_graphics = FALSE;
+
+ if (new_win_xsize != WIN_XSIZE ||
+ new_win_ysize != WIN_YSIZE)
+ {
+ WIN_XSIZE = new_win_xsize;
+ WIN_YSIZE = new_win_ysize;
+
+ init_video_buffer = TRUE;
+ init_gfx_buffers = TRUE;
+ init_gadgets_and_anims = TRUE;
+
+ // printf("::: video: init_video_buffer, init_gfx_buffers\n");
+ }
+
+ if (new_scr_fieldx != SCR_FIELDX ||
+ new_scr_fieldy != SCR_FIELDY)
+ {
+ /* this always toggles between MAIN and GAME when using small tile size */
+
+ SCR_FIELDX = new_scr_fieldx;
+ SCR_FIELDY = new_scr_fieldy;
+
+ // printf("::: new_scr_fieldx != SCR_FIELDX ...\n");
+ }
+
+ if (new_sx != SX ||
+ new_sy != SY ||
+ new_dx != DX ||
+ new_dy != DY ||
+ new_vx != VX ||
+ new_vy != VY ||
+ new_ex != EX ||
+ new_ey != EY ||
+ new_sxsize != SXSIZE ||
+ new_sysize != SYSIZE ||
+ new_dxsize != DXSIZE ||
+ new_dysize != DYSIZE ||
+ new_vxsize != VXSIZE ||
+ new_vysize != VYSIZE ||
+ new_exsize != EXSIZE ||
+ new_eysize != EYSIZE ||
+ new_real_sx != REAL_SX ||
+ new_real_sy != REAL_SY ||
+ new_full_sxsize != FULL_SXSIZE ||
+ new_full_sysize != FULL_SYSIZE ||
+ new_tilesize_var != TILESIZE_VAR
+ )
+ {
+ // ------------------------------------------------------------------------
+ // determine next fading area for changed viewport definitions
+ // ------------------------------------------------------------------------
+
+ // start with current playfield area (default fading area)
+ FADE_SX = REAL_SX;
+ FADE_SY = REAL_SY;
+ FADE_SXSIZE = FULL_SXSIZE;
+ FADE_SYSIZE = FULL_SYSIZE;
+
+ // add new playfield area if position or size has changed
+ if (new_real_sx != REAL_SX || new_real_sy != REAL_SY ||
+ new_full_sxsize != FULL_SXSIZE || new_full_sysize != FULL_SYSIZE)
+ {
+ JoinRectangles(&FADE_SX, &FADE_SY, &FADE_SXSIZE, &FADE_SYSIZE,
+ new_real_sx, new_real_sy, new_full_sxsize,new_full_sysize);
+ }
+
+ // add current and new door 1 area if position or size has changed
+ if (new_dx != DX || new_dy != DY ||
+ new_dxsize != DXSIZE || new_dysize != DYSIZE)
+ {
+ JoinRectangles(&FADE_SX, &FADE_SY, &FADE_SXSIZE, &FADE_SYSIZE,
+ DX, DY, DXSIZE, DYSIZE);
+ JoinRectangles(&FADE_SX, &FADE_SY, &FADE_SXSIZE, &FADE_SYSIZE,
+ new_dx, new_dy, new_dxsize, new_dysize);
+ }
+
+ // add current and new door 2 area if position or size has changed
+ if (new_dx != VX || new_dy != VY ||
+ new_dxsize != VXSIZE || new_dysize != VYSIZE)
+ {
+ JoinRectangles(&FADE_SX, &FADE_SY, &FADE_SXSIZE, &FADE_SYSIZE,
+ VX, VY, VXSIZE, VYSIZE);
+ JoinRectangles(&FADE_SX, &FADE_SY, &FADE_SXSIZE, &FADE_SYSIZE,
+ new_vx, new_vy, new_vxsize, new_vysize);
+ }
+
+ // ------------------------------------------------------------------------
+ // handle changed tile size
+ // ------------------------------------------------------------------------
+
+ if (new_tilesize_var != TILESIZE_VAR)
+ {
+ // printf("::: new_tilesize_var != TILESIZE_VAR\n");
+
+ // changing tile size invalidates scroll values of engine snapshots
+ FreeEngineSnapshotSingle();
+
+ // changing tile size requires update of graphic mapping for EM engine
+ init_em_graphics = TRUE;
+ }
+
+ SX = new_sx;
+ SY = new_sy;
+ DX = new_dx;
+ DY = new_dy;
+ VX = new_vx;
+ VY = new_vy;
+ EX = new_ex;
+ EY = new_ey;
+ SXSIZE = new_sxsize;
+ SYSIZE = new_sysize;
+ DXSIZE = new_dxsize;
+ DYSIZE = new_dysize;
+ VXSIZE = new_vxsize;
+ VYSIZE = new_vysize;
+ EXSIZE = new_exsize;
+ EYSIZE = new_eysize;
+ REAL_SX = new_real_sx;
+ REAL_SY = new_real_sy;
+ FULL_SXSIZE = new_full_sxsize;
+ FULL_SYSIZE = new_full_sysize;
+ TILESIZE_VAR = new_tilesize_var;
+
+ init_gfx_buffers = TRUE;
+ init_gadgets_and_anims = TRUE;
+
+ // printf("::: viewports: init_gfx_buffers\n");
+ // printf("::: viewports: init_gadgets_and_anims\n");
+ }
+
+ if (init_gfx_buffers)
+ {
+ // printf("::: init_gfx_buffers\n");
+
+ SCR_FIELDX = new_scr_fieldx_buffers;
+ SCR_FIELDY = new_scr_fieldy_buffers;
+
+ InitGfxBuffers();
+
+ SCR_FIELDX = new_scr_fieldx;
+ SCR_FIELDY = new_scr_fieldy;
+
+ SetDrawDeactivationMask(REDRAW_NONE);
+ SetDrawBackgroundMask(REDRAW_FIELD);
+ }
+
+ if (init_video_buffer)
+ {
+ // printf("::: init_video_buffer\n");
+
+ InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
+ InitImageTextures();
+ }
+
+ if (init_gadgets_and_anims)
+ {
+ // printf("::: init_gadgets_and_anims\n");
+
+ InitGadgets();
+ InitGlobalAnimations();
+ }
+
+ if (init_em_graphics)
+ {
+ InitGraphicInfo_EM();
+ }
+}