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/*
* scheme.c
*
* Copyright © 2019-2020 Thomas White <taw@bitwiz.me.uk>
*
* This file is part of NanoLight.
*
* NanoLight 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <libguile.h>
#include "lightctx.h"
#include "fixture_library.h"
static SCM fixture_type;
static SCM fixture_class_type;
SCM fixture_list = SCM_EOL;
struct lightctx *nl = NULL;
static SCM set_intensity(SCM fixture_scm, SCM intensity_scm)
{
const int intensity = scm_to_int(intensity_scm);
scm_assert_foreign_object_type(fixture_type, fixture_scm);
struct fixture *fixture = scm_foreign_object_ref(fixture_scm, 0);
fixture->v.intensity = (float)intensity/100.0;
return SCM_UNSPECIFIED;
}
static SCM fixture_name(SCM fixture_scm)
{
scm_assert_foreign_object_type(fixture_type, fixture_scm);
struct fixture *fixture = scm_foreign_object_ref(fixture_scm, 0);
return scm_from_utf8_symbol(fixture->label);
}
static SCM fixture_class_name(SCM fixture_class_scm)
{
scm_assert_foreign_object_type(fixture_class_type, fixture_class_scm);
struct fixture_class *fixture_class = scm_foreign_object_ref(fixture_class_scm, 0);
return scm_from_utf8_string(fixture_class->name);
}
static SCM patch_fixture(SCM fixture_name_scm, SCM fixture_class_scm,
SCM universe_scm, SCM addr_scm)
{
const int universe = scm_to_int(universe_scm);
const int addr = scm_to_int(addr_scm);
struct fixture_class *fixture_class;
char *fixture_name;
SCM fixture_string;
struct fixture *fixture;
scm_assert_foreign_object_type(fixture_class_type, fixture_class_scm);
fixture_class = scm_foreign_object_ref(fixture_class_scm, 0);
if ( !scm_is_symbol(fixture_name_scm) ) return SCM_BOOL_F;
fixture_string = scm_symbol_to_string(fixture_name_scm);
fixture_name = scm_to_locale_string(fixture_string);
fixture = create_fixture(nl, fixture_class, fixture_name, universe, addr, REVERSE_PAN);
free(fixture_name);
SCM obj = scm_make_foreign_object_1(fixture_type, fixture);
SCM obj_list = scm_list_1(obj);
fixture_list = scm_append(scm_list_2(fixture_list, obj_list));
scm_define(scm_from_utf8_symbol("fixtures"), fixture_list);
return obj;
}
static void finalize_fixture(SCM fixture)
{
printf("finalise fixture!\n");
}
static void finalize_fixture_class(SCM fixture)
{
printf("finalise fixture class!\n");
}
void *register_scheme_funcs(void *data)
{
SCM name, slots;
SCM obj;
SCM fixture_class_list;
nl = data;
/* Define fixture type */
name = scm_from_utf8_symbol("fixture");
slots = scm_list_1(scm_from_utf8_symbol("data"));
fixture_type = scm_make_foreign_object_type(name, slots, finalize_fixture);
/* Define fixture class type */
name = scm_from_utf8_symbol("fixture-class");
slots = scm_list_1(scm_from_utf8_symbol("data"));
fixture_class_type = scm_make_foreign_object_type(name, slots, finalize_fixture_class);
/* Expose the list of fixture classes */
fixture_class_list = SCM_EOL;
obj = scm_make_foreign_object_1(fixture_class_type, &dl7s_class);
fixture_class_list = scm_append(scm_list_2(fixture_class_list, scm_list_1(obj)));
obj = scm_make_foreign_object_1(fixture_class_type, &generic_dimmer_class);
fixture_class_list = scm_append(scm_list_2(fixture_class_list, scm_list_1(obj)));
scm_define(scm_from_utf8_symbol("fixture-class-library"), fixture_class_list);
/* Expose the list of fixtures (starts empty) */
scm_define(scm_from_utf8_symbol("fixtures"), fixture_list);
scm_c_define_gsubr("fixture-name", 1, 0, 0, &fixture_name);
scm_c_define_gsubr("fixture-class-name", 1, 0, 0, &fixture_class_name);
scm_c_define_gsubr("set-intensity", 2, 0, 0, &set_intensity);
scm_c_define_gsubr("patch-fixture", 4, 0, 0, &patch_fixture);
return NULL;
}
static void run_init()
{
GBytes *bytes;
GError *error = NULL;
gsize size;
gconstpointer initscm;
bytes = g_resources_lookup_data("/uk/me/bitwiz/NanoLight/src/init.scm",
G_RESOURCE_LOOKUP_FLAGS_NONE,
&error);
initscm = g_bytes_get_data(bytes, &size);
scm_c_eval_string(initscm);
g_bytes_unref(bytes);
}
void *run_repl(void *pargsv)
{
scm_with_guile(®ister_scheme_funcs, pargsv);
run_init();
scm_shell(0, NULL);
return NULL;
}
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