extended level flood fill function for variable array sizes

[rocksndiamonds.git] / src / tools.c

diff --git a/src/tools.c b/src/tools.c
index a51f2f690e8909ac8d327b7dda93d2b480b06869..4f0206e36d8b86a21447332f2829f59295bdf67e 100644 (file)
--- a/src/tools.c
+++ b/src/tools.c
@@ -1377,9 +1377,10 @@ void SetBorderElement()
   }
 }
 
-void FloodFillLevel(int from_x, int from_y, int fill_element,
-                   short field[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
-                   int max_fieldx, int max_fieldy)
+void FloodFillLevelExt(int from_x, int from_y, int fill_element,
+                      int max_array_fieldx, int max_array_fieldy,
+                      short field[max_array_fieldx][max_array_fieldy],
+                      int max_fieldx, int max_fieldy)
 {
   int i,x,y;
   int old_element;
@@ -1404,12 +1405,22 @@ void FloodFillLevel(int from_x, int from_y, int fill_element,
     y = from_y + check[i][1];
 
     if (IN_FIELD(x, y, max_fieldx, max_fieldy) && field[x][y] == old_element)
-      FloodFillLevel(x, y, fill_element, field, max_fieldx, max_fieldy);
+      FloodFillLevelExt(x, y, fill_element, max_array_fieldx, max_array_fieldy,
+                       field, max_fieldx, max_fieldy);
   }
 
   safety--;
 }
 
+void FloodFillLevel(int from_x, int from_y, int fill_element,
+                   short field[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
+                   int max_fieldx, int max_fieldy)
+{
+  FloodFillLevelExt(from_x, from_y, fill_element,
+                   MAX_LEV_FIELDX, MAX_LEV_FIELDY, field,
+                   max_fieldx, max_fieldy);
+}
+
 void SetRandomAnimationValue(int x, int y)
 {
   gfx.anim_random_frame = GfxRandom[x][y];
@@ -1635,6 +1646,14 @@ void DrawSizedGraphic(int x, int y, int graphic, int frame, int tilesize)
   MarkTileDirty(x / tilesize, y / tilesize);
 }
 
+void DrawSizedGraphicThruMask(int x, int y, int graphic, int frame,
+                             int tilesize)
+{
+  DrawSizedGraphicThruMaskExt(drawto, SX + x * tilesize, SY + y * tilesize,
+                             graphic, frame, tilesize);
+  MarkTileDirty(x / tilesize, y / tilesize);
+}
+
 void DrawSizedGraphicExt(DrawBuffer *d, int x, int y, int graphic, int frame,
                         int tilesize)
 {
@@ -1645,6 +1664,16 @@ void DrawSizedGraphicExt(DrawBuffer *d, int x, int y, int graphic, int frame,
   BlitBitmap(src_bitmap, d, src_x, src_y, tilesize, tilesize, x, y);
 }
 
+void DrawSizedGraphicThruMaskExt(DrawBuffer *d, int x, int y, int graphic,
+                                int frame, int tilesize)
+{
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+
+  getSizedGraphicSource(graphic, frame, tilesize, &src_bitmap, &src_x, &src_y);
+  BlitBitmapMasked(src_bitmap, d, src_x, src_y, tilesize, tilesize, x, y);
+}
+
 void DrawMiniGraphic(int x, int y, int graphic)
 {
   DrawMiniGraphicExt(drawto, SX + x * MINI_TILEX,SY + y * MINI_TILEY, graphic);
@@ -2456,8 +2485,8 @@ void DrawLevelField(int x, int y)
   }
 }
 
-void DrawSizedWall_MM(int dst_x, int dst_y, int element, int tilesize,
-                     int (*el2img_function)(int))
+static void DrawSizedWallExt_MM(int dst_x, int dst_y, int element, int tilesize,
+                               int (*el2img_function)(int), boolean masked)
 {
   int element_base = map_mm_wall_element(element);
   int element_bits = (IS_DF_WALL(element) ?
@@ -2477,29 +2506,58 @@ void DrawSizedWall_MM(int dst_x, int dst_y, int element, int tilesize,
     int dst_draw_y = dst_y + (i / 2) * tilesize_draw;
 
     if (element_bits & (1 << i))
-      BlitBitmap(src_bitmap, drawto, src_x, src_y, tilesize_draw, tilesize_draw,
-                dst_draw_x, dst_draw_y);
+    {
+      if (masked)
+       BlitBitmapMasked(src_bitmap, drawto, src_x, src_y,
+                        tilesize_draw, tilesize_draw, dst_draw_x, dst_draw_y);
+      else
+       BlitBitmap(src_bitmap, drawto, src_x, src_y,
+                  tilesize_draw, tilesize_draw, dst_draw_x, dst_draw_y);
+    }
     else
-      ClearRectangle(drawto, dst_draw_x, dst_draw_y,
-                    tilesize_draw, tilesize_draw);
+    {
+      if (!masked)
+       ClearRectangle(drawto, dst_draw_x, dst_draw_y,
+                      tilesize_draw, tilesize_draw);
+    }
   }
 }
 
-void DrawSizedElement(int x, int y, int element, int tilesize)
+void DrawSizedWall_MM(int dst_x, int dst_y, int element, int tilesize,
+                     int (*el2img_function)(int))
+{
+  DrawSizedWallExt_MM(dst_x, dst_y, element, tilesize, el2img_function, FALSE);
+}
+
+void DrawSizedElementExt(int x, int y, int element, int tilesize,
+                        boolean masked)
 {
   if (IS_MM_WALL(element))
   {
-    DrawSizedWall_MM(SX + x * tilesize, SY + y * tilesize,
-                    element, tilesize, el2edimg);
+    DrawSizedWallExt_MM(SX + x * tilesize, SY + y * tilesize,
+                       element, tilesize, el2edimg, masked);
   }
   else
   {
     int graphic = el2edimg(element);
 
-    DrawSizedGraphic(x, y, graphic, 0, tilesize);
+    if (masked)
+      DrawSizedGraphicThruMask(x, y, graphic, 0, tilesize);
+    else
+      DrawSizedGraphic(x, y, graphic, 0, tilesize);
   }
 }
 
+void DrawSizedElement(int x, int y, int element, int tilesize)
+{
+  DrawSizedElementExt(x, y, element, tilesize, FALSE);
+}
+
+void DrawSizedElementThruMask(int x, int y, int element, int tilesize)
+{
+  DrawSizedElementExt(x, y, element, tilesize, TRUE);
+}
+
 void DrawMiniElement(int x, int y, int element)
 {
   int graphic;