removed unused setup option 'soft_scrolling'
[rocksndiamonds.git] / src / tools.c
index d5dc6909490e514acd3bed4cf2d814ac2926420d..9c8263b60c801a55eea4a89febbd1e134f895c42 100644 (file)
@@ -233,7 +233,7 @@ void DumpTile(int x, int y)
 
 void SetDrawtoField(int mode)
 {
-  if (mode == DRAW_BUFFERED && setup.soft_scrolling)
+  if (mode == DRAW_FIELDBUFFER)
   {
     FX = 2 * TILEX_VAR;
     FY = 2 * TILEY_VAR;
@@ -951,10 +951,10 @@ void ClearField()
   DrawBackground(REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
 
   /* !!! maybe this should be done before clearing the background !!! */
-  if (setup.soft_scrolling && game_status == GAME_MODE_PLAYING)
+  if (game_status == GAME_MODE_PLAYING)
   {
     ClearRectangle(fieldbuffer, 0, 0, FXSIZE, FYSIZE);
-    SetDrawtoField(DRAW_BUFFERED);
+    SetDrawtoField(DRAW_FIELDBUFFER);
   }
   else
     SetDrawtoField(DRAW_BACKBUFFER);
@@ -2028,6 +2028,14 @@ void DrawLevelField(int x, int y)
   }
 }
 
+void DrawSizedElement(int x, int y, int element, int tilesize)
+{
+  int graphic;
+
+  graphic = el2edimg(element);
+  DrawSizedGraphic(x, y, graphic, 0, tilesize);
+}
+
 void DrawMiniElement(int x, int y, int element)
 {
   int graphic;
@@ -2036,6 +2044,19 @@ void DrawMiniElement(int x, int y, int element)
   DrawMiniGraphic(x, y, graphic);
 }
 
+void DrawSizedElementOrWall(int sx, int sy, int scroll_x, int scroll_y,
+                           int tilesize)
+{
+  int x = sx + scroll_x, y = sy + scroll_y;
+
+  if (x < -1 || x > lev_fieldx || y < -1 || y > lev_fieldy)
+    DrawSizedElement(sx, sy, EL_EMPTY, tilesize);
+  else if (x > -1 && x < lev_fieldx && y > -1 && y < lev_fieldy)
+    DrawSizedElement(sx, sy, Feld[x][y], tilesize);
+  else
+    DrawSizedGraphic(sx, sy, el2edimg(getBorderElement(x, y)), 0, tilesize);
+}
+
 void DrawMiniElementOrWall(int sx, int sy, int scroll_x, int scroll_y)
 {
   int x = sx + scroll_x, y = sy + scroll_y;
@@ -2106,7 +2127,7 @@ void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
   boolean no_delay = (tape.warp_forward);
   unsigned int anim_delay = 0;
   int frame_delay_value = (ffwd_delay ? FfwdFrameDelay : GameFrameDelay);
-  int anim_delay_value = (no_delay ? 0 : frame_delay_value);
+  int anim_delay_value = (no_delay ? 0 : frame_delay_value) / 2;
   int font_nr = FONT_ENVELOPE_1 + envelope_nr;
   int font_width = getFontWidth(font_nr);
   int font_height = getFontHeight(font_nr);
@@ -2118,17 +2139,22 @@ void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
   int yend = (anim_mode != ANIM_DEFAULT ? max_ysize : 0);
   int xstep = (xstart < xend ? 1 : 0);
   int ystep = (ystart < yend || xstep == 0 ? 1 : 0);
-  int x, y;
+  int start = 0;
+  int end = MAX(xend - xstart, yend - ystart);
+  int i;
 
-  for (x = xstart, y = ystart; x <= xend && y <= yend; x += xstep, y += ystep)
+  for (i = start; i <= end; i++)
   {
+    int last_frame = end;      // last frame of this "for" loop
+    int x = xstart + i * xstep;
+    int y = ystart + i * ystep;
     int xsize = (action == ACTION_CLOSING ? xend - (x - xstart) : x) + 2;
     int ysize = (action == ACTION_CLOSING ? yend - (y - ystart) : y) + 2;
     int sx = SX + (SXSIZE - xsize * font_width)  / 2;
     int sy = SY + (SYSIZE - ysize * font_height) / 2;
     int xx, yy;
 
-    SetDrawtoField(DRAW_BUFFERED);
+    SetDrawtoField(DRAW_FIELDBUFFER);
 
     BlitScreenToBitmap(backbuffer);
 
@@ -2147,7 +2173,7 @@ void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
     redraw_mask |= REDRAW_FIELD | REDRAW_FROM_BACKBUFFER;
     BackToFront();
 
-    WaitUntilDelayReached(&anim_delay, anim_delay_value / 2);
+    SkipUntilDelayReached(&anim_delay, anim_delay_value, &i, last_frame);
   }
 }
 
@@ -2189,7 +2215,7 @@ void ShowEnvelope(int envelope_nr)
 
   game.envelope_active = FALSE;
 
-  SetDrawtoField(DRAW_BUFFERED);
+  SetDrawtoField(DRAW_FIELDBUFFER);
 
   redraw_mask |= REDRAW_FIELD;
   BackToFront();
@@ -2298,7 +2324,7 @@ void AnimateEnvelopeRequest(int anim_mode, int action)
   boolean ffwd_delay = (tape.playing && tape.fast_forward);
   boolean no_delay = (tape.warp_forward);
   int delay_value = (ffwd_delay ? delay_value_fast : delay_value_normal);
-  int anim_delay_value = (no_delay ? 0 : delay_value + 500 * 0);
+  int anim_delay_value = (no_delay ? 0 : delay_value + 500 * 0) / 2;
   unsigned int anim_delay = 0;
 
   int width = request.width;
@@ -2315,12 +2341,15 @@ void AnimateEnvelopeRequest(int anim_mode, int action)
   int yend = (anim_mode != ANIM_DEFAULT ? max_ysize_inner : 0);
   int xstep = (xstart < xend ? 1 : 0);
   int ystep = (ystart < yend || xstep == 0 ? 1 : 0);
-  int x, y;
+  int start = 0;
+  int end = MAX(xend - xstart, yend - ystart);
+  int i;
 
   if (setup.quick_doors)
   {
     xstart = xend;
     ystart = yend;
+    end = 0;
   }
   else
   {
@@ -2330,8 +2359,11 @@ void AnimateEnvelopeRequest(int anim_mode, int action)
       PlayMenuSoundStereo(SND_DOOR_CLOSING, SOUND_MIDDLE);
   }
 
-  for (x = xstart, y = ystart; x <= xend && y <= yend; x += xstep, y += ystep)
+  for (i = start; i <= end; i++)
   {
+    int last_frame = end;      // last frame of this "for" loop
+    int x = xstart + i * xstep;
+    int y = ystart + i * ystep;
     int xsize = (action == ACTION_CLOSING ? xend - (x - xstart) : x) + 2;
     int ysize = (action == ACTION_CLOSING ? yend - (y - ystart) : y) + 2;
     int sx_center = (request.x != -1 ? request.x : SX + SXSIZE / 2);
@@ -2373,7 +2405,7 @@ void AnimateEnvelopeRequest(int anim_mode, int action)
     DoAnimation();
     BackToFront();
 
-    WaitUntilDelayReached(&anim_delay, anim_delay_value / 2);
+    SkipUntilDelayReached(&anim_delay, anim_delay_value, &i, last_frame);
   }
 }
 
@@ -2435,7 +2467,6 @@ void ShowEnvelopeRequest(char *text, unsigned int req_state, int action)
       AnimateEnvelopeRequest(ANIM_DEFAULT, ACTION_OPENING);
 
     AnimateEnvelopeRequest(main_anim_mode, ACTION_OPENING);
-
   }
   else
   {
@@ -2472,7 +2503,7 @@ void ShowEnvelopeRequest(char *text, unsigned int req_state, int action)
   if (action == ACTION_CLOSING &&
       game_status == GAME_MODE_PLAYING &&
       level.game_engine_type == GAME_ENGINE_TYPE_RND)
-    SetDrawtoField(DRAW_BUFFERED);
+    SetDrawtoField(DRAW_FIELDBUFFER);
 }
 
 void DrawPreviewElement(int dst_x, int dst_y, int element, int tilesize)
@@ -2501,6 +2532,18 @@ void DrawLevel(int draw_background_mask)
   redraw_mask |= REDRAW_FIELD;
 }
 
+void DrawSizedLevel(int size_x, int size_y, int scroll_x, int scroll_y,
+                   int tilesize)
+{
+  int x,y;
+
+  for (x = 0; x < size_x; x++)
+    for (y = 0; y < size_y; y++)
+      DrawSizedElementOrWall(x, y, scroll_x, scroll_y, tilesize);
+
+  redraw_mask |= REDRAW_FIELD;
+}
+
 void DrawMiniLevel(int size_x, int size_y, int scroll_x, int scroll_y)
 {
   int x,y;
@@ -3105,9 +3148,6 @@ void DrawPlayer(struct PlayerInfo *player)
       syy = player->GfxPos;
   }
 
-  if (!setup.soft_scrolling && ScreenMovPos)
-    sxx = syy = 0;
-
   if (player_is_opaque)
     DrawGraphicShifted(sx, sy, sxx, syy, graphic, frame,NO_CUTTING,NO_MASKING);
   else
@@ -3213,9 +3253,6 @@ void DrawPlayer(struct PlayerInfo *player)
       syy = player->GfxPos;
   }
 
-  if (!setup.soft_scrolling && ScreenMovPos)
-    sxx = syy = 0;
-
   if (player_is_opaque)
     DrawGraphicShifted(sx, sy, sxx, syy, graphic, frame,NO_CUTTING,NO_MASKING);
   else
@@ -3356,109 +3393,110 @@ static int RequestHandleEvents(unsigned int req_state)
     {
       Event event;
 
-      NextEvent(&event);
-
-      switch (event.type)
+      while (NextValidEvent(&event))
       {
-       case EVENT_BUTTONPRESS:
-       case EVENT_BUTTONRELEASE:
-       case EVENT_MOTIONNOTIFY:
+       switch (event.type)
        {
-         if (event.type == EVENT_MOTIONNOTIFY)
+         case EVENT_BUTTONPRESS:
+         case EVENT_BUTTONRELEASE:
+         case EVENT_MOTIONNOTIFY:
          {
-           if (!PointerInWindow(window))
-             continue; /* window and pointer are on different screens */
-
-           if (!button_status)
-             continue;
-
-           motion_status = TRUE;
-           mx = ((MotionEvent *) &event)->x;
-           my = ((MotionEvent *) &event)->y;
-         }
-         else
-         {
-           motion_status = FALSE;
-           mx = ((ButtonEvent *) &event)->x;
-           my = ((ButtonEvent *) &event)->y;
-           if (event.type == EVENT_BUTTONPRESS)
-             button_status = ((ButtonEvent *) &event)->button;
+           if (event.type == EVENT_MOTIONNOTIFY)
+           {
+             if (!PointerInWindow(window))
+               continue;       /* window and pointer on different screens */
+
+             if (!button_status)
+               continue;
+
+             motion_status = TRUE;
+             mx = ((MotionEvent *) &event)->x;
+             my = ((MotionEvent *) &event)->y;
+           }
            else
-             button_status = MB_RELEASED;
-         }
-
-         /* this sets 'request_gadget_id' */
-         HandleGadgets(mx, my, button_status);
-
-         switch (request_gadget_id)
-         {
-           case TOOL_CTRL_ID_YES:
-             result = TRUE;
-             break;
-           case TOOL_CTRL_ID_NO:
-             result = FALSE;
-             break;
-           case TOOL_CTRL_ID_CONFIRM:
-             result = TRUE | FALSE;
-             break;
-
-           case TOOL_CTRL_ID_PLAYER_1:
-             result = 1;
-             break;
-           case TOOL_CTRL_ID_PLAYER_2:
-             result = 2;
-             break;
-           case TOOL_CTRL_ID_PLAYER_3:
-             result = 3;
-             break;
-           case TOOL_CTRL_ID_PLAYER_4:
-             result = 4;
-             break;
-
-           default:
-             break;
+           {
+             motion_status = FALSE;
+             mx = ((ButtonEvent *) &event)->x;
+             my = ((ButtonEvent *) &event)->y;
+             if (event.type == EVENT_BUTTONPRESS)
+               button_status = ((ButtonEvent *) &event)->button;
+             else
+               button_status = MB_RELEASED;
+           }
+
+           /* this sets 'request_gadget_id' */
+           HandleGadgets(mx, my, button_status);
+
+           switch (request_gadget_id)
+           {
+             case TOOL_CTRL_ID_YES:
+               result = TRUE;
+               break;
+             case TOOL_CTRL_ID_NO:
+               result = FALSE;
+               break;
+             case TOOL_CTRL_ID_CONFIRM:
+               result = TRUE | FALSE;
+               break;
+
+             case TOOL_CTRL_ID_PLAYER_1:
+               result = 1;
+               break;
+             case TOOL_CTRL_ID_PLAYER_2:
+               result = 2;
+               break;
+             case TOOL_CTRL_ID_PLAYER_3:
+               result = 3;
+               break;
+             case TOOL_CTRL_ID_PLAYER_4:
+               result = 4;
+               break;
+
+             default:
+               break;
+           }
+
+           break;
          }
 
-         break;
-       }
-
-       case EVENT_KEYPRESS:
-         switch (GetEventKey((KeyEvent *)&event, TRUE))
-         {
-           case KSYM_space:
-             if (req_state & REQ_CONFIRM)
-               result = 1;
-             break;
+         case EVENT_KEYPRESS:
+           switch (GetEventKey((KeyEvent *)&event, TRUE))
+           {
+             case KSYM_space:
+               if (req_state & REQ_CONFIRM)
+                 result = 1;
+               break;
 
-           case KSYM_Return:
+             case KSYM_Return:
 #if defined(TARGET_SDL2)
-           case KSYM_Menu:
+             case KSYM_Menu:
 #endif
-             result = 1;
-             break;
+               result = 1;
+               break;
 
-           case KSYM_Escape:
+             case KSYM_Escape:
 #if defined(TARGET_SDL2)
-           case KSYM_Back:
+             case KSYM_Back:
 #endif
-             result = 0;
-             break;
+               result = 0;
+               break;
 
-           default:
-             break;
-         }
+             default:
+               break;
+           }
 
-         if (req_state & REQ_PLAYER)
-           result = 0;
-         break;
+           if (req_state & REQ_PLAYER)
+             result = 0;
+           break;
 
-       case EVENT_KEYRELEASE:
-         ClearPlayerAction();
-         break;
+         case EVENT_KEYRELEASE:
+           ClearPlayerAction();
+           break;
 
-       default:
-         HandleOtherEvents(&event);
-         break;
+         default:
+           HandleOtherEvents(&event);
+           break;
+       }
       }
     }
     else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
@@ -4151,6 +4189,8 @@ unsigned int MoveDoor(unsigned int door_state)
       }
     }
 
+    max_step_delay = MAX(1, max_step_delay);   // prevent division by zero
+
     num_move_steps = max_move_delay / max_step_delay;
     num_move_steps_doors_only = max_move_delay_doors_only / max_step_delay;
 
@@ -4171,6 +4211,8 @@ unsigned int MoveDoor(unsigned int door_state)
 
     for (k = start; k < num_move_steps; k++)
     {
+      int last_frame = num_move_steps - 1;     // last frame of this "for" loop
+
       door_part_done_all = TRUE;
 
       for (i = 0; i < NUM_DOORS; i++)
@@ -4329,7 +4371,7 @@ unsigned int MoveDoor(unsigned int door_state)
        if (game_status == GAME_MODE_MAIN)
          DoAnimation();
 
-       WaitUntilDelayReached(&door_delay, door_delay_value);
+       SkipUntilDelayReached(&door_delay, door_delay_value, &k, last_frame);
 
        current_move_delay += max_step_delay;
       }
@@ -7758,13 +7800,61 @@ void InitGraphicInfo_EM(void)
 #endif
 }
 
+void CheckSaveEngineSnapshot_EM(byte action[MAX_PLAYERS], int frame,
+                               boolean any_player_moving,
+                               boolean any_player_snapping,
+                               boolean any_player_dropping)
+{
+  static boolean player_was_waiting = TRUE;
+
+  if (frame == 0 && !any_player_dropping)
+  {
+    if (!player_was_waiting)
+    {
+      if (!SaveEngineSnapshotToList())
+       return;
+
+      player_was_waiting = TRUE;
+    }
+  }
+  else if (any_player_moving || any_player_snapping || any_player_dropping)
+  {
+    player_was_waiting = FALSE;
+  }
+}
+
+void CheckSaveEngineSnapshot_SP(boolean murphy_is_waiting,
+                               boolean murphy_is_dropping)
+{
+  static boolean player_was_waiting = TRUE;
+
+  if (murphy_is_waiting)
+  {
+    if (!player_was_waiting)
+    {
+      if (!SaveEngineSnapshotToList())
+       return;
+
+      player_was_waiting = TRUE;
+    }
+  }
+  else
+  {
+    player_was_waiting = FALSE;
+  }
+}
+
 void CheckSingleStepMode_EM(byte action[MAX_PLAYERS], int frame,
                            boolean any_player_moving,
-                           boolean player_is_dropping)
+                           boolean any_player_snapping,
+                           boolean any_player_dropping)
 {
   if (tape.single_step && tape.recording && !tape.pausing)
-    if (frame == 0 && !player_is_dropping)
+    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,
@@ -7773,6 +7863,8 @@ void CheckSingleStepMode_SP(boolean murphy_is_waiting,
   if (tape.single_step && tape.recording && !tape.pausing)
     if (murphy_is_waiting)
       TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
+
+  CheckSaveEngineSnapshot_SP(murphy_is_waiting, murphy_is_dropping);
 }
 
 void getGraphicSource_SP(struct GraphicInfo_SP *g_sp,
@@ -8044,7 +8136,7 @@ void ChangeViewportPropertiesIfNeeded()
       // printf("::: new_tilesize_var != TILESIZE_VAR\n");
 
       // changing tile size invalidates scroll values of engine snapshots
-      FreeEngineSnapshot();
+      FreeEngineSnapshotSingle();
 
       // changing tile size requires update of graphic mapping for EM engine
       init_em_graphics = TRUE;