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