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path: root/src/candy_gear/core.cpp
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/*
 * Copyright 2022-2025 Frederico de Oliveira Linhares
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "core.hpp"

#include "candy_gear.hpp"
#include "font.hpp"
#include "graphic.hpp"
#include "key.hpp"
#include "orientation_3d.hpp"
#include "skeletal_model.hpp"
#include "skeletal_mesh.hpp"
#include "static_model.hpp"
#include "static_mesh.hpp"
#include "sound.hpp"
#include "sprite.hpp"
#include "sprite_3d.hpp"
#include "texture.hpp"
#include "vector_3d.hpp"
#include "vector_4d.hpp"
#include "view.hpp"

#ifdef DEBUG
#include <sstream>
#endif

namespace
{

void
load_mruby_symbols(void *obj)
{
  cg_core.sym_config = mrb_intern_cstr(cg_core.mrb, "config");
  cg_core.sym_debug = mrb_intern_cstr(cg_core.mrb, "debug");
  cg_core.sym_error = mrb_intern_cstr(cg_core.mrb, "error");
  cg_core.sym_fatal = mrb_intern_cstr(cg_core.mrb, "fatal");
  cg_core.sym_information = mrb_intern_cstr(cg_core.mrb, "information");
  cg_core.sym_init = mrb_intern_cstr(cg_core.mrb, "init");
  cg_core.sym_key_down = mrb_intern_cstr(cg_core.mrb, "key_down");
  cg_core.sym_key_up = mrb_intern_cstr(cg_core.mrb, "key_up");
  cg_core.sym_quit = mrb_intern_cstr(cg_core.mrb, "quit");
  cg_core.sym_tick = mrb_intern_cstr(cg_core.mrb, "tick");
  cg_core.sym_trace = mrb_intern_cstr(cg_core.mrb, "trace");
  cg_core.sym_warning = mrb_intern_cstr(cg_core.mrb, "warning");
}

void
load_game(void *obj)
{
  FILE *fp;
  mrb_value main_obj{mrb_top_self(cg_core.mrb)};

  mrb_define_module(cg_core.mrb, "CandyGear");
  cg_candy_gear_init_config(cg_core.mrb);
  cg_graphic_init_config(cg_core.mrb);

  fp = fopen(cg_core.game_file.c_str(), "rb");
  mrb_load_irep_file(cg_core.mrb, fp);
  fclose(fp);
  if (cg_core.mrb->exc)
  {
    mrb_print_error(cg_core.mrb);
    throw CommandError{"Error loading game."};
  }

  mrb_funcall_id(cg_core.mrb, main_obj, cg_core.sym_config, 0);
  if (cg_core.mrb->exc)
  {
    mrb_print_error(cg_core.mrb);
    throw CommandError{"Error configuring game."};
  }

  cg_candy_gear_finish_config(cg_core.mrb);
  cg_graphic_finish_config(cg_core.mrb);
}

void
load_blucat(void *obj)
{
	BluCat::INT::core.loader.execute(nullptr);
}

void
unload_blucat(void *obj)
{
	BluCat::INT::core.loader.revert(nullptr);
}

void
load_mruby_interface(void *obj)
{
  cg_candy_gear_init(cg_core.mrb);
  cg_font_init(cg_core.mrb);
  cg_key_init(cg_core.mrb);
  cg_orientation_3d_init(cg_core.mrb);
  cg_skeletal_model_init(cg_core.mrb);
  cg_skeletal_mesh_init(cg_core.mrb);
  cg_static_model_init(cg_core.mrb);
  cg_static_mesh_init(cg_core.mrb);
  cg_sound_init(cg_core.mrb);
  cg_sprite_init(cg_core.mrb);
  cg_sprite_3d_init(cg_core.mrb);
  cg_texture_init(cg_core.mrb);
  cg_vector_3d_init(cg_core.mrb);
  cg_vector_4d_init(cg_core.mrb);
  cg_view_init(cg_core.mrb);
}

}

const CommandChain cg_sCore::loader{
  {&load_mruby_symbols, nullptr},
  {&load_game, nullptr},
	{&load_blucat, &unload_blucat},
  {&load_mruby_interface, nullptr}
};