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/* Copyright (C) 1998 Jim Hall <jhall@freedos.org>
* Copyright (C) 2008 Bradley Smith <brad@brad-smith.co.uk>
*
* Robot API for the GNU Robots game
*
* GNU Robots is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNU Robots is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Robots. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h> /* for abs, free */
#include <glib.h>
#include <libguile.h> /* GNU Guile high */
#include "api.h" /* GNU Robots API */
#include "main.h" /* for exit_nicely */
#include "grobot.h"
extern GRobot *robot;
/* Functions */
SCM
api_robot_turn (SCM s_n)
{
g_robot_turn (robot, scm_num2int (s_n, 0, NULL));
return SCM_BOOL (TRUE);
}
SCM
api_robot_move (SCM s_n)
{
return SCM_BOOL (g_robot_move (robot, scm_num2int (s_n, 0, NULL)));
}
SCM
api_robot_smell (SCM s_th)
{
gboolean ret;
gchar *str;
str = scm_to_locale_string (s_th);
ret = g_robot_smell (robot, str);
return SCM_BOOL (ret);
}
SCM
api_robot_feel (SCM s_th)
{
gboolean ret;
gchar *str;
str = scm_to_locale_string (s_th);
ret = g_robot_feel (robot, str);
return SCM_BOOL (ret);
}
SCM
api_robot_look (SCM s_th)
{
gboolean ret;
gchar *str;
str = scm_to_locale_string (s_th);
ret = g_robot_look (robot, str);
return SCM_BOOL (ret);
}
SCM
api_robot_grab (void)
{
return SCM_BOOL (g_robot_grab (robot));
}
SCM
api_robot_zap (void)
{
return SCM_BOOL (g_robot_zap (robot));
}
SCM
api_robot_stop (void)
{
return SCM_BOOL (g_robot_stop (robot));
}
SCM
api_robot_get_shields (void)
{
glong shields;
g_object_get (robot, "shields", &shields, NULL);
/* Returns the robot shields */
return (scm_long2num (shields));
}
SCM
api_robot_get_energy (void)
{
glong energy;
g_object_get (robot, "energy", &energy, NULL);
/* Returns the robot energy */
return (scm_long2num (energy));
}
SCM
api_robot_get_score (void)
{
glong score;
g_object_get (robot, "score", &score, NULL);
/* Returns the robot score */
return (scm_long2num (score));
}
void
api_init (void)
{
/* define some new builtins (hooks) so that they are available in
Scheme. */
scm_c_define_gsubr ("robot-turn", 1, 0, 0, api_robot_turn);
scm_c_define_gsubr ("robot-move", 1, 0, 0, api_robot_move);
scm_c_define_gsubr ("robot-smell", 1, 0, 0, api_robot_smell);
scm_c_define_gsubr ("robot-feel", 1, 0, 0, api_robot_feel);
scm_c_define_gsubr ("robot-look", 1, 0, 0, api_robot_look);
scm_c_define_gsubr ("robot-grab", 0, 0, 0, api_robot_grab);
scm_c_define_gsubr ("robot-zap", 0, 0, 0, api_robot_zap);
scm_c_define_gsubr ("robot-get-shields", 0, 0, 0, api_robot_get_shields);
scm_c_define_gsubr ("robot-get-energy", 0, 0, 0, api_robot_get_energy);
scm_c_define_gsubr ("robot-get-score", 0, 0, 0, api_robot_get_score);
scm_c_define_gsubr ("stop", 0, 0, 0, api_robot_stop);
scm_c_define_gsubr ("quit", 0, 0, 0, api_robot_stop);
}
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