X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Ftools.c;h=b563b9318c16a897fd2700442b0e1c5bfa034285;hb=5eabbc4d089dcf4de6ddcc78159efd6a9ecef978;hp=9d7e5c7482906558affecfadbd1dce7d5e838f39;hpb=0b35d42d7e09d2f9ac90b57f20ac77df07841e19;p=rocksndiamonds.git

diff --git a/src/tools.c b/src/tools.c
index 9d7e5c74..b563b931 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -528,6 +528,22 @@ static void PrintFrameTimeDebugging()
 }
 #endif
 
+static int unifiedRedrawMask(int mask)
+{
+  if (mask & REDRAW_ALL)
+    return REDRAW_ALL;
+
+  if (mask & REDRAW_FIELD && mask & REDRAW_DOORS)
+    return REDRAW_ALL;
+
+  return mask;
+}
+
+static boolean equalRedrawMasks(int mask_1, int mask_2)
+{
+  return unifiedRedrawMask(mask_1) == unifiedRedrawMask(mask_2);
+}
+
 void BackToFront()
 {
   static int last_redraw_mask = REDRAW_NONE;
@@ -550,6 +566,10 @@ void BackToFront()
   if (redraw_mask & REDRAW_FPS)
     DrawFramesPerSecond();
 
+  // remove playfield redraw before potentially merging with doors redraw
+  if (DrawingDeactivated(REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE))
+    redraw_mask &= ~REDRAW_FIELD;
+
   // redraw complete window if both playfield and (some) doors need redraw
   if (redraw_mask & REDRAW_FIELD && redraw_mask & REDRAW_DOORS)
     redraw_mask = REDRAW_ALL;
@@ -570,14 +590,37 @@ void BackToFront()
   }
   else if (redraw_mask & REDRAW_DOORS)
   {
+    // merge door areas to prevent calling screen redraw more than once
+    int x1 = WIN_XSIZE;
+    int y1 = WIN_YSIZE;
+    int x2 = 0;
+    int y2 = 0;
+
     if (redraw_mask & REDRAW_DOOR_1)
-      BlitBitmap(backbuffer, window, DX, DY, DXSIZE, DYSIZE, DX, DY);
+    {
+      x1 = MIN(x1, DX);
+      y1 = MIN(y1, DY);
+      x2 = MAX(x2, DX + DXSIZE);
+      y2 = MAX(y2, DY + DYSIZE);
+    }
 
     if (redraw_mask & REDRAW_DOOR_2)
-      BlitBitmap(backbuffer, window, VX, VY, VXSIZE, VYSIZE, VX, VY);
+    {
+      x1 = MIN(x1, VX);
+      y1 = MIN(y1, VY);
+      x2 = MAX(x2, VX + VXSIZE);
+      y2 = MAX(y2, VY + VYSIZE);
+    }
 
     if (redraw_mask & REDRAW_DOOR_3)
-      BlitBitmap(backbuffer, window, EX, EY, EXSIZE, EYSIZE, EX, EY);
+    {
+      x1 = MIN(x1, EX);
+      y1 = MIN(y1, EY);
+      x2 = MAX(x2, EX + EXSIZE);
+      y2 = MAX(y2, EY + EYSIZE);
+    }
+
+    BlitBitmap(backbuffer, window, x1, y1, x2 - x1, y2 - y1, x1, y1);
   }
 
   redraw_mask = REDRAW_NONE;
@@ -598,26 +641,11 @@ void BackToFront_WithFrameDelay(unsigned int frame_delay_value)
   SetVideoFrameDelay(frame_delay_value_old);
 }
 
-static void FadeCrossSaveBackbuffer()
-{
-  BlitBitmap(backbuffer, bitmap_db_cross, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
-}
-
-static void FadeCrossRestoreBackbuffer()
-{
-  int redraw_mask_last = redraw_mask;
-
-  BlitBitmap(bitmap_db_cross, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
-
-  // do not change redraw mask when restoring backbuffer after cross-fading
-  redraw_mask = redraw_mask_last;
-}
+static int fade_type_skip = FADE_TYPE_NONE;
 
 static void FadeExt(int fade_mask, int fade_mode, int fade_type)
 {
-  static int fade_type_skip = FADE_TYPE_NONE;
   void (*draw_border_function)(void) = NULL;
-  Bitmap *bitmap = (fade_mode & FADE_TYPE_TRANSFORM ? bitmap_db_cross : NULL);
   int x, y, width, height;
   int fade_delay, post_delay;
 
@@ -632,18 +660,8 @@ static void FadeExt(int fade_mask, int fade_mode, int fade_type)
       return;
     }
 
-#if 1
-    FadeCrossSaveBackbuffer();
-#endif
-
     if (fading.fade_mode & FADE_TYPE_TRANSFORM)
-    {
-#if 0
-      FadeCrossSaveBackbuffer();
-#endif
-
       return;
-    }
   }
 
   redraw_mask |= fade_mask;
@@ -706,17 +724,23 @@ static void FadeExt(int fade_mask, int fade_mode, int fade_type)
     return;
   }
 
-  FadeRectangle(bitmap, x, y, width, height, fade_mode, fade_delay, post_delay,
+  FadeRectangle(x, y, width, height, fade_mode, fade_delay, post_delay,
 		draw_border_function);
 
-  if (fade_type == FADE_TYPE_FADE_OUT)
-    FadeCrossRestoreBackbuffer();
-
   redraw_mask &= ~fade_mask;
 }
 
 static void SetScreenStates_BeforeFadingIn()
 {
+  // temporarily set screen mode for animations to screen after fading in
+  global.anim_status = global.anim_status_next;
+
+  // store backbuffer with all animations that will be started after fading in
+  if (fade_type_skip != FADE_MODE_SKIP_FADE_IN)
+    PrepareFadeBitmap(DRAW_TO_FADE_TARGET);
+
+  // set screen mode for animations back to fading
+  global.anim_status = GAME_MODE_PSEUDO_FADING;
 }
 
 static void SetScreenStates_AfterFadingIn()
@@ -725,10 +749,6 @@ static void SetScreenStates_AfterFadingIn()
   gfx.fade_border_source_status = global.border_status;
 
   global.anim_status = global.anim_status_next;
-
-  // force update of global animation status in case of rapid screen changes
-  redraw_mask = REDRAW_ALL;
-  BackToFront();
 }
 
 static void SetScreenStates_BeforeFadingOut()
@@ -736,7 +756,12 @@ static void SetScreenStates_BeforeFadingOut()
   // store new target screen (to use correct masked border for fading)
   gfx.fade_border_target_status = game_status;
 
+  // set screen mode for animations to fading
   global.anim_status = GAME_MODE_PSEUDO_FADING;
+
+  // store backbuffer with all animations that will be stopped for fading out
+  if (fade_type_skip != FADE_MODE_SKIP_FADE_OUT)
+    PrepareFadeBitmap(DRAW_TO_FADE_SOURCE);
 }
 
 static void SetScreenStates_AfterFadingOut()
@@ -763,10 +788,18 @@ void FadeIn(int fade_mask)
   FADE_SYSIZE = FULL_SYSIZE;
 
   SetScreenStates_AfterFadingIn();
+
+  // force update of global animation status in case of rapid screen changes
+  redraw_mask = REDRAW_ALL;
+  BackToFront();
 }
 
 void FadeOut(int fade_mask)
 {
+  // update screen if areas covered by "fade_mask" and "redraw_mask" differ
+  if (!equalRedrawMasks(fade_mask, redraw_mask))
+    BackToFront();
+
   SetScreenStates_BeforeFadingOut();
 
 #if 0
@@ -1041,7 +1074,7 @@ static void RedrawGlobalBorderIfNeeded()
 
   // copy current draw buffer to later copy back areas that have not changed
   if (game_status_last != GAME_MODE_TITLE)
-    BlitBitmap(backbuffer, bitmap_db_store, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+    BlitBitmap(backbuffer, bitmap_db_store_1, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
   if (CheckIfGlobalBorderRedrawIsNeeded())
   {
@@ -1054,20 +1087,20 @@ static void RedrawGlobalBorderIfNeeded()
     if (real_sx_last != -1 && real_sy_last != -1 &&
 	REAL_SX != -1 && REAL_SY != -1 &&
 	full_sxsize_last == FULL_SXSIZE && full_sysize_last == FULL_SYSIZE)
-      BlitBitmap(bitmap_db_store, backbuffer,
+      BlitBitmap(bitmap_db_store_1, backbuffer,
 		 real_sx_last, real_sy_last, FULL_SXSIZE, FULL_SYSIZE,
 		 REAL_SX, REAL_SY);
 
     if (dx_last != -1 && dy_last != -1 &&
 	DX != -1 && DY != -1 &&
 	dxsize_last == DXSIZE && dysize_last == DYSIZE)
-      BlitBitmap(bitmap_db_store, backbuffer,
+      BlitBitmap(bitmap_db_store_1, backbuffer,
 		 dx_last, dy_last, DXSIZE, DYSIZE, DX, DY);
 
     if (vx_last != -1 && vy_last != -1 &&
 	VX != -1 && VY != -1 &&
 	vxsize_last == VXSIZE && vysize_last == VYSIZE)
-      BlitBitmap(bitmap_db_store, backbuffer,
+      BlitBitmap(bitmap_db_store_1, backbuffer,
 		 vx_last, vy_last, VXSIZE, VYSIZE, VX, VY);
 
     redraw_mask = REDRAW_ALL;
@@ -2515,7 +2548,7 @@ void DrawEnvelopeRequest(char *text)
     RedrawGadget(tool_gadget[i]);
 
   // store readily prepared envelope request for later use when animating
-  BlitBitmap(backbuffer, bitmap_db_cross, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+  BlitBitmap(backbuffer, bitmap_db_store_2, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
   if (text_door_style)
     free(text_door_style);
@@ -2576,7 +2609,7 @@ void AnimateEnvelopeRequest(int anim_mode, int action)
     setRequestPosition(&src_x, &src_y, FALSE);
     setRequestPositionExt(&dst_x, &dst_y, width, height, FALSE);
 
-    BlitBitmap(bitmap_db_store, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+    BlitBitmap(bitmap_db_store_1, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
     for (yy = 0; yy < 2; yy++)
     {
@@ -2590,10 +2623,10 @@ void AnimateEnvelopeRequest(int anim_mode, int action)
 	int yy_size = (yy ? tile_size : ysize_size_top);
 
 	if (draw_masked)
-	  BlitBitmapMasked(bitmap_db_cross, backbuffer,
+	  BlitBitmapMasked(bitmap_db_store_2, backbuffer,
 			   src_xx, src_yy, xx_size, yy_size, dst_xx, dst_yy);
 	else
-	  BlitBitmap(bitmap_db_cross, backbuffer,
+	  BlitBitmap(bitmap_db_store_2, backbuffer,
 		     src_xx, src_yy, xx_size, yy_size, dst_xx, dst_yy);
       }
     }
@@ -2626,7 +2659,7 @@ void ShowEnvelopeRequest(char *text, unsigned int req_state, int action)
 
   if (action == ACTION_OPENING)
   {
-    BlitBitmap(backbuffer, bitmap_db_store, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+    BlitBitmap(backbuffer, bitmap_db_store_1, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
     if (req_state & REQ_ASK)
     {
@@ -2673,7 +2706,7 @@ void ShowEnvelopeRequest(char *text, unsigned int req_state, int action)
   game.envelope_active = FALSE;
 
   if (action == ACTION_CLOSING)
-    BlitBitmap(bitmap_db_store, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+    BlitBitmap(bitmap_db_store_1, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
   // SetDrawBackgroundMask(last_draw_background_mask);
 
@@ -3578,7 +3611,7 @@ static int RequestHandleEvents(unsigned int req_state)
       if (global.use_envelope_request)
       {
 	/* copy current state of request area to middle of playfield area */
-	BlitBitmap(bitmap_db_cross, drawto, sx, sy, width, height, sx, sy);
+	BlitBitmap(bitmap_db_store_2, drawto, sx, sy, width, height, sx, sy);
       }
     }
 
@@ -3706,7 +3739,7 @@ static int RequestHandleEvents(unsigned int req_state)
       if (global.use_envelope_request)
       {
 	/* copy back current state of pressed buttons inside request area */
-	BlitBitmap(drawto, bitmap_db_cross, sx, sy, width, height, sx, sy);
+	BlitBitmap(drawto, bitmap_db_store_2, sx, sy, width, height, sx, sy);
       }
     }