--------------------------------------------------------------------------------                                                                          ----                       GNAT ncurses Binding Samples                       ----                                                                          ----                                   Rain                                   ----                                                                          ----                                 B O D Y                                  ----                                                                          ---------------------------------------------------------------------------------- Copyright (c) 1998 Free Software Foundation, Inc.                        ----                                                                          ---- Permission is hereby granted, free of charge, to any person obtaining a  ---- copy of this software and associated documentation files (the            ---- "Software"), to deal in the Software without restriction, including      ---- without limitation the rights to use, copy, modify, merge, publish,      ---- distribute, distribute with modifications, sublicense, and/or sell       ---- copies of the Software, and to permit persons to whom the Software is    ---- furnished to do so, subject to the following conditions:                 ----                                                                          ---- The above copyright notice and this permission notice shall be included  ---- in all copies or substantial portions of the Software.                   ----                                                                          ---- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  ---- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               ---- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   ---- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   ---- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    ---- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    ---- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               ----                                                                          ---- Except as contained in this notice, the name(s) of the above copyright   ---- holders shall not be used in advertising or otherwise to promote the     ---- sale, use or other dealings in this Software without prior written       ---- authorization.                                                           ----------------------------------------------------------------------------------  Author:  Laurent Pautet <pautet@gnat.com>--  Modified by:  Juergen Pfeifer, 1997--  Version Control--  $Revision: 1.6 $--  Binding Version 01.00--------------------------------------------------------------------------------                                                                          --with Ada.Numerics.Float_Random; use Ada.Numerics.Float_Random;with Status; use Status;with Terminal_Interface.Curses; use Terminal_Interface.Curses;procedure Rain is   Visibility : Cursor_Visibility;   subtype X_Position is Line_Position;   subtype Y_Position is Column_Position;   Xpos    : array (1 .. 5) of X_Position;   Ypos    : array (1 .. 5) of Y_Position;   N : Integer;   G : Generator;   Max_X, X : X_Position;   Max_Y, Y : Y_Position;   procedure Next (J : in out Integer);   procedure Cursor (X : X_Position; Y : Y_Position);   procedure Next (J : in out Integer) is   begin      if J = 5 then         J := 1;      else         J := J + 1;      end if;   end Next;   procedure Cursor (X : X_Position; Y : Y_Position) is   begin      Move_Cursor (Line => X, Column => Y);   end Cursor;   pragma Inline (Cursor);begin   Init_Screen;   Set_NL_Mode;   Set_Echo_Mode (False);   Visibility := Invisible;   Set_Cursor_Visibility (Visibility);   Max_X := Lines - 5;   Max_Y := Columns - 5;   for I in Xpos'Range loop      Xpos (I) := X_Position (Float (Max_X) * Random (G)) + 2;      Ypos (I) := Y_Position (Float (Max_Y) * Random (G)) + 2;   end loop;   N := 1;   while Process.Continue loop      X := X_Position (Float (Max_X) * Random (G)) + 2;      Y := Y_Position (Float (Max_Y) * Random (G)) + 2;      Cursor (X, Y);      Add (Ch => '.');      Cursor (Xpos (N), Ypos (N));      Add (Ch => 'o');      --      Next (N);      Cursor (Xpos (N), Ypos (N));      Add (Ch => 'O');      --      Next (N);      Cursor (Xpos (N) - 1, Ypos (N));      Add (Ch => '-');      Cursor (Xpos (N), Ypos (N) - 1);      Add (Str => "|.|");      Cursor (Xpos (N) + 1, Ypos (N));      Add (Ch => '-');      --      Next (N);      Cursor (Xpos (N) - 2, Ypos (N));      Add (Ch => '-');      Cursor (Xpos (N) - 1, Ypos (N) - 1);      Add (Str => "/\\");      Cursor (Xpos (N), Ypos (N) - 2);      Add (Str => "| O |");      Cursor (Xpos (N) + 1, Ypos (N) - 1);      Add (Str => "\\/");      Cursor (Xpos (N) + 2, Ypos (N));      Add (Ch => '-');      --      Next (N);      Cursor (Xpos (N) - 2, Ypos (N));      Add (Ch => ' ');      Cursor (Xpos (N) - 1, Ypos (N) - 1);      Add (Str => "   ");      Cursor (Xpos (N), Ypos (N) - 2);      Add (Str => "     ");      Cursor (Xpos (N) + 1, Ypos (N) - 1);      Add (Str => "   ");      Cursor (Xpos (N) + 2, Ypos (N));      Add (Ch => ' ');      Xpos (N) := X;      Ypos (N) := Y;      Refresh;      Nap_Milli_Seconds (50);   end loop;   Visibility := Normal;   Set_Cursor_Visibility (Visibility);   End_Windows;end Rain;