X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_sp%2FDDScrollBuffer.c;h=bb3b5c04b6c2f2cfc416706d983b3641aeebb35f;hb=a295976063bf04d6e7ee2d04d238235aac05bf92;hp=80cddf0d7e745c733bec2879a954f0b29e3ba20a;hpb=97fb6c2a140f361991541bcf5a5c1e5d18deaf74;p=rocksndiamonds.git

diff --git a/src/game_sp/DDScrollBuffer.c b/src/game_sp/DDScrollBuffer.c
index 80cddf0d..bb3b5c04 100644
--- a/src/game_sp/DDScrollBuffer.c
+++ b/src/game_sp/DDScrollBuffer.c
@@ -50,6 +50,15 @@ static void ScrollPlayfield(int dx, int dy)
   int y2 = mScrollY_last / TILEY + (SCR_FIELDY - 1) + 2;
   int x, y;
 
+#if NEW_TILESIZE
+  BlitBitmap(bitmap_db_field_sp, bitmap_db_field_sp,
+             TILEX_VAR * (dx == -1),
+             TILEY_VAR * (dy == -1),
+             (MAX_BUF_XSIZE * TILEX_VAR) - TILEX_VAR * (dx != 0),
+             (MAX_BUF_YSIZE * TILEY_VAR) - TILEY_VAR * (dy != 0),
+             TILEX_VAR * (dx == 1),
+             TILEY_VAR * (dy == 1));
+#else
   BlitBitmap(bitmap_db_field_sp, bitmap_db_field_sp,
              TILEX * (dx == -1),
              TILEY * (dy == -1),
@@ -57,11 +66,18 @@ static void ScrollPlayfield(int dx, int dy)
              (MAX_BUF_YSIZE * TILEY) - TILEY * (dy != 0),
              TILEX * (dx == 1),
              TILEY * (dy == 1));
+#endif
 
   /* when scrolling the whole playfield, do not redraw single tiles */
+#if 1
+  for (x = 0; x < 2 + MAX_PLAYFIELD_WIDTH + 2; x++)
+    for (y = 0; y < 2 + MAX_PLAYFIELD_HEIGHT + 2; y++)
+      redraw[x][y] = FALSE;
+#else
   for (x = 0; x < MAX_BUF_XSIZE; x++)
     for (y = 0; y < MAX_BUF_YSIZE; y++)
       redraw[x][y] = FALSE;
+#endif
   redraw_tiles = 0;
 
   DrawFrameIfNeeded();
@@ -145,10 +161,13 @@ void InitScrollPlayfield()
   ScrollPlayfieldIfNeededExt(TRUE);
 }
 
+#define DEBUG_REDRAW	0
+
 void UpdatePlayfield(boolean force_redraw)
 {
   int x, y;
-#if 1
+
+#if DEBUG_REDRAW
   int num_redrawn = 0;
 #endif
 
@@ -161,8 +180,10 @@ void UpdatePlayfield(boolean force_redraw)
       int sync_frame = GfxFrame[x][y];
       boolean redraw = force_redraw;
 
+#if DEBUG_REDRAW
 #if 0
       redraw = TRUE;	// !!! TEST ONLY -- ALWAYS REDRAW !!!
+#endif
 #endif
 
       if (graphic < 0)
@@ -201,20 +222,22 @@ void UpdatePlayfield(boolean force_redraw)
 	int sx = x * StretchWidth;
 	int sy = y * StretchWidth;
 
+#if DEBUG_REDRAW
 #if 0
 	printf("::: REDRAW (%d, %d): %d, %d\n", x, y, graphic, sync_frame);
+#endif
 #endif
 
 	DDSpriteBuffer_BltImg(sx, sy, graphic, sync_frame);
 
-#if 1
+#if DEBUG_REDRAW
 	num_redrawn++;
 #endif
       }
     }
   }
 
-#if 0
+#if DEBUG_REDRAW
   printf("::: FRAME %d: %d redrawn\n", FrameCounter, num_redrawn);
 #endif
 }
@@ -227,7 +250,7 @@ void BlitScreenToBitmap_SP(Bitmap *target_bitmap)
   int py = 2 * TILEY + (mScrollY - mScrollY_last) % TILEY;
   int sx, sy, sxsize, sysize;
 
-#if 1
+#if 0
   printf("::: %d, %d / %d, %d / %ld, %ld (%ld, %ld) / %d, %d\n",
 	 MurphyScreenXPos, MurphyScreenYPos,
 	 ScreenScrollXPos, ScreenScrollYPos,
@@ -238,47 +261,49 @@ void BlitScreenToBitmap_SP(Bitmap *target_bitmap)
 
   int xsize = SXSIZE;
   int ysize = SYSIZE;
+#if NEW_TILESIZE
+  int full_xsize = (FieldWidth  - (menBorder ? 0 : 1)) * TILEX_VAR;
+  int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY_VAR;
+#else
   int full_xsize = (FieldWidth  - (menBorder ? 0 : 1)) * TILEX;
   int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY;
+#endif
+
+#if NEW_TILESIZE
+
+#endif
 
   sxsize = (full_xsize < xsize ? full_xsize : xsize);
   sysize = (full_ysize < ysize ? full_ysize : ysize);
   sx = SX + (full_xsize < xsize ? (xsize - full_xsize) / 2 : 0);
   sy = SY + (full_ysize < ysize ? (ysize - full_ysize) / 2 : 0);
 
+  /* scroll correction for even number of visible tiles (half tile shifted) */
+  px += game_sp.scroll_xoffset;
+  py += game_sp.scroll_yoffset;
+
 #if 1
-#if 1
-  {
-    px += game_sp.scroll_xoffset;
-    py += game_sp.scroll_yoffset;
-  }
-#else
-  if (1)
+  if (ExplosionShakeMurphy != 0)
   {
-    px += TILEX / 2;
-    py += TILEY / 2;
+    px += TILEX / 2 - GetSimpleRandom(TILEX + 1);
+    py += TILEY / 2 - GetSimpleRandom(TILEX + 1);
   }
 #endif
-#else
-#if 1
-  if (0 && !menBorder)
-  {
-    if (mScrollX < ScrollMinX + TILEX / 2)
-      px += ScrollMinX + TILEX / 2 - mScrollX;
-    else if (mScrollX > ScrollMaxX - TILEX / 2)
-      px -= mScrollX - (ScrollMaxX - TILEX / 2);
-    if (mScrollY < ScrollMinY + TILEY / 2)
-      py += ScrollMinY + TILEY / 2 - mScrollY;
-    else if (mScrollY > ScrollMaxY - TILEY / 2)
-      py -= mScrollY - (ScrollMaxY - TILEY / 2);
-  }
-#else
-  if (!menBorder)
-  {
-    px += TILEX / 2;
-    py += TILEY / 2;
-  }
+
+#if NEW_TILESIZE
+  px = px * TILESIZE_VAR / TILESIZE;
+  py = py * TILESIZE_VAR / TILESIZE;
 #endif
+
+#if 0
+  printf("::: (%d, %d) (%d, %d) (%d, %d) [%d / %d]\n",
+	 px, py, sxsize, sysize, sx, sy,
+	 FieldHeight, menBorder);
+#endif
+
+#if 0
+  printf("::: (%d, %d)\n",
+	 bitmap_db_field_sp->width, bitmap_db_field_sp->height);
 #endif
 
   BlitBitmap(bitmap_db_field_sp, target_bitmap, px, py, sxsize, sysize, sx, sy);
@@ -286,44 +311,111 @@ void BlitScreenToBitmap_SP(Bitmap *target_bitmap)
 
 void BackToFront_SP(void)
 {
+  static int scroll_x_last = -1, scroll_y_last = -1;
   static boolean scrolling_last = FALSE;
-  int left = mScrollX / TILEX;
-  int top  = mScrollY / TILEY;
+  static boolean ExplosionShakeMurphy_last = -1;
+#if 1
+  boolean scrolling = (mScrollX != scroll_x_last || mScrollY != scroll_y_last);
+  // boolean scrolling = (mScrollX != mScrollX_last || mScrollY != mScrollY_last);
+#else
   boolean scrolling = (mScrollX % TILEX != 0 || mScrollY % TILEY != 0);
+#endif
   int x, y;
 
+#if 0
+  printf("::: %d, %d / %d, %d [%d, %d]\n",
+         mScrollX, mScrollY,
+         mScrollX_last, mScrollY_last,
+	 game_sp.scroll_xoffset, game_sp.scroll_yoffset);
+#endif
+
   SyncDisplay();
 
-  if (1 ||
-      redraw_tiles > REDRAWTILES_THRESHOLD || scrolling || scrolling_last)
+  if (0 ||
+      redraw_tiles > REDRAWTILES_THRESHOLD || scrolling || scrolling_last ||
+      ExplosionShakeMurphy != 0 || ExplosionShakeMurphy_last != 0)
   {
     BlitScreenToBitmap_SP(window);
   }
   else
   {
-    for (x = 0; x < SCR_FIELDX; x++)
+    int scroll_xoffset = mScrollX - mScrollX_last + game_sp.scroll_xoffset;
+    int scroll_yoffset = mScrollY - mScrollY_last + game_sp.scroll_yoffset;
+    int x1 = 0, x2 = SCR_FIELDX - (scroll_xoffset != 0 ? 0 : 1);
+    int y1 = 0, y2 = SCR_FIELDY - (scroll_yoffset != 0 ? 0 : 1);
+#if NEW_TILESIZE
+    int full_xsize = (FieldWidth  - (menBorder ? 0 : 1)) * TILEX_VAR;
+    int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY_VAR;
+#else
+    int full_xsize = (FieldWidth  - (menBorder ? 0 : 1)) * TILEX;
+    int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY;
+#endif
+#if 1
+    int xsize = SXSIZE;
+    int ysize = SYSIZE;
+    int sxsize = (full_xsize < xsize ? full_xsize : xsize);
+    int sysize = (full_ysize < ysize ? full_ysize : ysize);
+    int sx = SX + (full_xsize < xsize ? (xsize - full_xsize) / 2 : 0);
+    int sy = SY + (full_ysize < ysize ? (ysize - full_ysize) / 2 : 0);
+#else
+    int sx = SX + (full_xsize < SXSIZE ? (SXSIZE - full_xsize) / 2 : 0);
+    int sy = SY + (full_ysize < SYSIZE ? (SYSIZE - full_ysize) / 2 : 0);
+#endif
+
+#if 1
+    InitGfxClipRegion(TRUE, sx, sy, sxsize, sysize);
+#else
+    InitGfxClipRegion(TRUE, SX, SY, SXSIZE, SYSIZE);
+#endif
+
+#if NEW_TILESIZE
+    scroll_xoffset = scroll_xoffset * TILESIZE_VAR / TILESIZE;
+    scroll_yoffset = scroll_yoffset * TILESIZE_VAR / TILESIZE;
+#endif
+
+    for (x = x1; x <= x2; x++)
     {
-      for (y = 0; y < SCR_FIELDY; y++)
+      for (y = y1; y <= y2; y++)
       {
-	int xx = (left + x) % MAX_BUF_XSIZE;
-	int yy = (top  + y) % MAX_BUF_YSIZE;
+	int xx = 2 + x;
+	int yy = 2 + y;
 
+#if NEW_TILESIZE
+	if (redraw[xx][yy])
+	  BlitBitmap(bitmap_db_field_sp, window,
+		     xx * TILEX_VAR, yy * TILEY_VAR, TILEX_VAR, TILEY_VAR,
+		     sx + x * TILEX_VAR - scroll_xoffset,
+		     sy + y * TILEY_VAR - scroll_yoffset);
+#else
 	if (redraw[xx][yy])
 	  BlitBitmap(bitmap_db_field_sp, window,
 		     xx * TILEX, yy * TILEY, TILEX, TILEY,
-		     SX + x * TILEX, SY + y * TILEY);
+		     sx + x * TILEX - scroll_xoffset,
+		     sy + y * TILEY - scroll_yoffset);
+#endif
       }
     }
+
+    InitGfxClipRegion(FALSE, -1, -1, -1, -1);
   }
 
   FlushDisplay();
 
+#if 1
+  for (x = 0; x < 2 + MAX_PLAYFIELD_WIDTH + 2; x++)
+    for (y = 0; y < 2 + MAX_PLAYFIELD_HEIGHT + 2; y++)
+      redraw[x][y] = FALSE;
+#else
   for (x = 0; x < MAX_BUF_XSIZE; x++)
     for (y = 0; y < MAX_BUF_YSIZE; y++)
       redraw[x][y] = FALSE;
+#endif
   redraw_tiles = 0;
 
+  scroll_x_last = mScrollX;
+  scroll_y_last = mScrollY;
   scrolling_last = scrolling;
+  ExplosionShakeMurphy_last = ExplosionShakeMurphy;
 }
 
 void DDScrollBuffer_ScrollTo(int X, int Y)