X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Fgame_sp%2FDDScrollBuffer.c;h=271a6404a8626b0a52815798daa59f87a9250ea6;hp=eeecf2a784ff7945c658f17296e20e9b26972789;hb=14d7691c65ca4a466ce9b9448153e8fbe8351a81;hpb=c6d59064aa782b8ad71eddac2797fdc50e4858f9

diff --git a/src/game_sp/DDScrollBuffer.c b/src/game_sp/DDScrollBuffer.c
index eeecf2a7..271a6404 100644
--- a/src/game_sp/DDScrollBuffer.c
+++ b/src/game_sp/DDScrollBuffer.c
@@ -7,16 +7,11 @@
 #include <math.h>
 
 
-long mScrollX, mScrollY;
-long mScrollX_last, mScrollY_last;
+int mScrollX, mScrollY;
+int mScrollX_last, mScrollY_last;
 
-#if 1
-long ScreenBuffer[2 + MAX_PLAYFIELD_WIDTH + 2][2 + MAX_PLAYFIELD_HEIGHT + 2];
+int ScreenBuffer[2 + MAX_PLAYFIELD_WIDTH + 2][2 + MAX_PLAYFIELD_HEIGHT + 2];
 boolean redraw[2 + MAX_PLAYFIELD_WIDTH + 2][2 + MAX_PLAYFIELD_HEIGHT + 2];
-#else
-long ScreenBuffer[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
-boolean redraw[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
-#endif
 
 
 void RestorePlayfield()
@@ -51,16 +46,16 @@ static void ScrollPlayfield(int dx, int dy)
   int x, y;
 
   BlitBitmap(bitmap_db_field_sp, bitmap_db_field_sp,
-             TILEX * (dx == -1),
-             TILEY * (dy == -1),
-             (MAX_BUF_XSIZE * TILEX) - TILEX * (dx != 0),
-             (MAX_BUF_YSIZE * TILEY) - TILEY * (dy != 0),
-             TILEX * (dx == 1),
-             TILEY * (dy == 1));
+             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));
 
   /* when scrolling the whole playfield, do not redraw single tiles */
-  for (x = 0; x < MAX_BUF_XSIZE; x++)
-    for (y = 0; y < MAX_BUF_YSIZE; y++)
+  for (x = 0; x < 2 + MAX_PLAYFIELD_WIDTH + 2; x++)
+    for (y = 0; y < 2 + MAX_PLAYFIELD_HEIGHT + 2; y++)
       redraw[x][y] = FALSE;
   redraw_tiles = 0;
 
@@ -75,9 +70,9 @@ static void ScrollPlayfield(int dx, int dy)
 	int sx = x - x1;
 	int sy = y - y1;
 	int tsi = GetSI(x, y);
-	long id = ((PlayField16[tsi]) |
-		   (PlayField8[tsi] << 16) |
-		   (DisPlayField[tsi] << 24));
+	int id = ((PlayField16[tsi]) |
+		  (PlayField8[tsi] << 16) |
+		  (DisPlayField[tsi] << 24));
 
 	if ((dx == -1 && x == x2) ||
 	    (dx == +1 && x == x1) ||
@@ -106,13 +101,8 @@ static void ScrollPlayfieldIfNeededExt(boolean reset)
 
   if (mScrollX_last == -1 || mScrollY_last == -1)
   {
-#if 1
     mScrollX_last = (mScrollX / TILESIZE) * TILESIZE;
     mScrollY_last = (mScrollY / TILESIZE) * TILESIZE;
-#else
-    mScrollX_last = mScrollX;
-    mScrollY_last = mScrollY;
-#endif
 
     return;
   }
@@ -145,10 +135,13 @@ 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
 
@@ -161,10 +154,6 @@ void UpdatePlayfield(boolean force_redraw)
       int sync_frame = GfxFrame[x][y];
       boolean redraw = force_redraw;
 
-#if 0
-      redraw = TRUE;	// !!! TEST ONLY -- ALWAYS REDRAW !!!
-#endif
-
       if (graphic < 0)
       {
 	GfxGraphicLast[x][y] = GfxGraphic[x][y];
@@ -201,20 +190,16 @@ void UpdatePlayfield(boolean force_redraw)
 	int sx = x * StretchWidth;
 	int sy = y * StretchWidth;
 
-#if 0
-	printf("::: REDRAW (%d, %d): %d, %d\n", x, y, graphic, sync_frame);
-#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
 }
@@ -226,20 +211,10 @@ void BlitScreenToBitmap_SP(Bitmap *target_bitmap)
   int px = 2 * TILEX + (mScrollX - mScrollX_last) % TILEX;
   int py = 2 * TILEY + (mScrollY - mScrollY_last) % TILEY;
   int sx, sy, sxsize, sysize;
-
-#if 0
-  printf("::: %d, %d / %d, %d / %ld, %ld (%ld, %ld) / %d, %d\n",
-	 MurphyScreenXPos, MurphyScreenYPos,
-	 ScreenScrollXPos, ScreenScrollYPos,
-	 mScrollX, mScrollY,
-	 mScrollX_last, mScrollY_last,
-	 px, py);
-#endif
-
   int xsize = SXSIZE;
   int ysize = SYSIZE;
-  int full_xsize = (FieldWidth  - (menBorder ? 0 : 1)) * TILEX;
-  int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY;
+  int full_xsize = (FieldWidth  - (menBorder ? 0 : 1)) * TILEX_VAR;
+  int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY_VAR;
 
   sxsize = (full_xsize < xsize ? full_xsize : xsize);
   sysize = (full_ysize < ysize ? full_ysize : ysize);
@@ -250,59 +225,79 @@ void BlitScreenToBitmap_SP(Bitmap *target_bitmap)
   px += game_sp.scroll_xoffset;
   py += game_sp.scroll_yoffset;
 
-#if 1
   if (ExplosionShakeMurphy != 0)
   {
-    printf("::: ExplosionShakeMurphy\n");
-
     px += TILEX / 2 - GetSimpleRandom(TILEX + 1);
     py += TILEY / 2 - GetSimpleRandom(TILEX + 1);
   }
-#endif
+
+  px = px * TILESIZE_VAR / TILESIZE;
+  py = py * TILESIZE_VAR / TILESIZE;
 
   BlitBitmap(bitmap_db_field_sp, target_bitmap, px, py, sxsize, sysize, sx, sy);
 }
 
 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;
-  boolean scrolling = (mScrollX % TILEX != 0 || mScrollY % TILEY != 0);
+  static boolean ExplosionShakeMurphy_last = -1;
+  boolean scrolling = (mScrollX != scroll_x_last || mScrollY != scroll_y_last);
   int x, y;
 
-  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);
+    int full_xsize = (FieldWidth  - (menBorder ? 0 : 1)) * TILEX_VAR;
+    int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY_VAR;
+    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);
+
+    InitGfxClipRegion(TRUE, sx, sy, sxsize, sysize);
+
+    scroll_xoffset = scroll_xoffset * TILESIZE_VAR / TILESIZE;
+    scroll_yoffset = scroll_yoffset * TILESIZE_VAR / TILESIZE;
+
+    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 (redraw[xx][yy])
 	  BlitBitmap(bitmap_db_field_sp, window,
-		     xx * TILEX, yy * TILEY, TILEX, TILEY,
-		     SX + x * TILEX, SY + y * TILEY);
+		     xx * TILEX_VAR, yy * TILEY_VAR, TILEX_VAR, TILEY_VAR,
+		     sx + x * TILEX_VAR - scroll_xoffset,
+		     sy + y * TILEY_VAR - scroll_yoffset);
       }
     }
-  }
 
-  FlushDisplay();
+    InitGfxClipRegion(FALSE, -1, -1, -1, -1);
+  }
 
-  for (x = 0; x < MAX_BUF_XSIZE; x++)
-    for (y = 0; y < MAX_BUF_YSIZE; y++)
+  for (x = 0; x < 2 + MAX_PLAYFIELD_WIDTH + 2; x++)
+    for (y = 0; y < 2 + MAX_PLAYFIELD_HEIGHT + 2; y++)
       redraw[x][y] = FALSE;
   redraw_tiles = 0;
 
+  scroll_x_last = mScrollX;
+  scroll_y_last = mScrollY;
   scrolling_last = scrolling;
+  ExplosionShakeMurphy_last = ExplosionShakeMurphy;
 }
 
 void DDScrollBuffer_ScrollTo(int X, int Y)
@@ -341,12 +336,12 @@ void DDScrollBuffer_ScrollTowards(int X, int Y, double Step)
   ScrollPlayfieldIfNeeded();
 }
 
-void DDScrollBuffer_SoftScrollTo(int X, int Y, long TimeMS, int FPS)
+void DDScrollBuffer_SoftScrollTo(int X, int Y, int TimeMS, int FPS)
 {
   double dx, dY;
-  long dT, StepCount;
+  int StepCount;
   double T, tStep;
-  long oldX, oldY, maxD;
+  int oldX, oldY, maxD;
   static boolean AlreadyRunning = False;
 
   if (NoDisplayFlag)
@@ -368,7 +363,6 @@ void DDScrollBuffer_SoftScrollTo(int X, int Y, long TimeMS, int FPS)
   if (StepCount == 0)
     StepCount = 1;
 
-  dT = 1000 / FPS;
   tStep = (double)1 / StepCount;
   oldX = mScrollX;
   oldY = mScrollY;