+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)
+{
+ int i,x,y;
+ int old_element;
+ static int check[4][2] = { { -1, 0 }, { 0, -1 }, { 1, 0 }, { 0, 1 } };
+ static int safety = 0;
+
+ /* check if starting field still has the desired content */
+ if (field[from_x][from_y] == fill_element)
+ return;
+
+ safety++;
+
+ if (safety > max_fieldx * max_fieldy)
+ Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
+
+ old_element = field[from_x][from_y];
+ field[from_x][from_y] = fill_element;
+
+ for (i = 0; i < 4; i++)
+ {
+ x = from_x + check[i][0];
+ 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);
+ }
+
+ safety--;
+}
+