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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
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80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifdef __GNUC__
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#include "kbhit.h"
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#include <termios.h>
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#include <unistd.h> // for read()
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#include <stdio.h>
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static struct termios initial_settings, new_settings;
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static int peek_character = -1;
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void init_keyboard()
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{
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tcgetattr(STDIN_FILENO,&initial_settings);
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new_settings = initial_settings;
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new_settings.c_lflag &= ~ICANON;
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new_settings.c_lflag &= ~ECHO;
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new_settings.c_lflag &= ~ISIG;
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new_settings.c_cc[VMIN] = 1;
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new_settings.c_cc[VTIME] = 0;
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tcsetattr(STDIN_FILENO, TCSANOW, &new_settings);
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}
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void close_keyboard()
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{
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tcsetattr(STDIN_FILENO, TCSANOW, &initial_settings);
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}
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int kbhit()
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{
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unsigned char ch;
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int nread;
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if (peek_character != -1) return 1;
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new_settings.c_cc[VMIN]=0;
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tcsetattr(STDIN_FILENO, TCSANOW, &new_settings);
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nread = read(STDIN_FILENO,&ch,1);
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new_settings.c_cc[VMIN]=1;
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tcsetattr(STDIN_FILENO, TCSANOW, &new_settings);
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if(nread == 1)
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{
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peek_character = ch;
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return 1;
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}
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return 0;
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}
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int getch()
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{
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char ch;
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if(peek_character != -1)
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{
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ch = peek_character;
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peek_character = -1;
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return ch;
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}
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if (read(STDIN_FILENO,&ch,1) != 1) return ' ';
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return ch;
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}
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#endif // __GNUC__
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