| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT ncurses Binding Samples -- |
| -- -- |
| -- Rain -- |
| -- -- |
| -- B O D Y -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| -- Copyright (c) 1998-2007,2008 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: 1.8 $ |
| -- $Date: 2008/08/30 21:38:07 $ |
| -- Binding Version 01.00 |
| ------------------------------------------------------------------------------ |
| -- -- |
| with ncurses2.util; use ncurses2.util; |
| 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; |
| |
| done : Boolean; |
| |
| c : Key_Code; |
| |
| 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); |
| Set_Timeout_Mode (Standard_Window, Non_Blocking, 0); |
| |
| 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; |
| done := False; |
| while not done and 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; |
| |
| c := Getchar; |
| case c is |
| when Character'Pos ('q') => done := True; |
| when Character'Pos ('Q') => done := True; |
| when Character'Pos ('s') => Set_NoDelay_Mode (Standard_Window, False); |
| when Character'Pos (' ') => Set_NoDelay_Mode (Standard_Window, True); |
| when others => null; |
| end case; |
| |
| Nap_Milli_Seconds (50); |
| end loop; |
| |
| Visibility := Normal; |
| Set_Cursor_Visibility (Visibility); |
| End_Windows; |
| Curses_Free_All; |
| |
| end Rain; |
