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/*
* Copyright 2022 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 "candy_gear.hpp"
#include <mruby/array.h>
#include <mruby/hash.h>
#include <mruby/string.h>
#include <yaml-cpp/yaml.h>
#include "core.hpp"
#include "view_2d.hpp"
#include "view_3d.hpp"
static mrb_value
parse_node(mrb_state *mrb, const YAML::Node &node)
{
mrb_value value;
std::string scalar;
switch(node.Type())
{
case YAML::NodeType::Null:
return mrb_nil_value();
case YAML::NodeType::Scalar:
scalar = node.as<std::string>();
return mrb_str_new(mrb, scalar.data(), scalar.size());
case YAML::NodeType::Sequence:
value = mrb_ary_new_capa(mrb, node.size());
for (YAML::const_iterator it = node.begin(); it != node.end(); it++)
mrb_ary_push(mrb, value, parse_node(mrb, *it));
return value;
case YAML::NodeType::Map:
value = mrb_hash_new_capa(mrb, node.size());
for(YAML::const_iterator it = node.begin(); it != node.end(); it++)
mrb_hash_set(
mrb, value, parse_node(mrb, it->first), parse_node(mrb, it->second));
return value;
case YAML::NodeType::Undefined:
default:
return mrb_nil_value();
}
}
static mrb_value
cg_mCandyGear_set_game_name(mrb_state *mrb, mrb_value self)
{
mrb_value name;
mrb_get_args(mrb, "S", &name);
cg_core.game_name = RSTRING_PTR(name);
return self;
}
static mrb_value
cg_mCandyGear_load_yaml(mrb_state *mrb, mrb_value self)
{
const char *file_path;
mrb_get_args(mrb, "z", &file_path);
YAML::Node root = YAML::LoadFile(file_path);
return parse_node(mrb, root);
}
static mrb_value
cg_mCandyGear_set_views(mrb_state *mrb, mrb_value self)
{
struct RClass *cg_m, *cg_cView2D, *cg_cView3D;
mrb_value *array;
mrb_int array_len;
std::vector<std::shared_ptr<VK::View2D>> views_2d;
std::vector<std::shared_ptr<VK::View3D>> views_3d;
cg_m = mrb_module_get(mrb, "CandyGear");
cg_cView2D = mrb_class_get_under(mrb, cg_m, "View2D");
cg_cView3D = mrb_class_get_under(mrb, cg_m, "View3D");
mrb_get_args(mrb, "a", &array, &array_len);
for(mrb_int i{0}; i < array_len; i++)
{
if(mrb_obj_is_kind_of(mrb, array[i], cg_cView2D))
{
auto v = (std::shared_ptr<VK::View2D>*)DATA_PTR(array[i]);
views_2d.push_back(*v);
}
else if(mrb_obj_is_kind_of(mrb, array[i], cg_cView3D))
{
auto v = (std::shared_ptr<VK::View3D>*)DATA_PTR(array[i]);
views_3d.push_back(*v);
}
}
// A Renderer need at least one view to work.
if(views_2d.size() > 0 || views_3d.size() > 0)
{
delete cg_core.vk_renderer;
cg_core.vk_renderer = new VK::Renderer({views_2d, views_3d});
}
return self;
}
static mrb_value
cg_mCandyGear_log(mrb_state *mrb, mrb_value self)
{
const char *message;
mrb_sym sym_log_level;
Log::Level log_lvl;
mrb_get_args(mrb, "nz", &sym_log_level, &message);
if(sym_log_level == cg_core.sym_trace)
log_lvl = Log::Level::Trace;
else if(sym_log_level == cg_core.sym_debug)
log_lvl = Log::Level::Debug;
else if(sym_log_level == cg_core.sym_information)
log_lvl = Log::Level::Information;
else if(sym_log_level == cg_core.sym_warning)
log_lvl = Log::Level::Warning;
else if(sym_log_level == cg_core.sym_error)
log_lvl = Log::Level::Error;
else
log_lvl = Log::Level::Fatal;
cg_core.log.message(log_lvl, message);
return self;
}
static mrb_value
cg_mCandyGear_quit(mrb_state *mrb, mrb_value self)
{
cg_core.quit_game = true;
return self;
}
void
cg_candy_gear_init_config(mrb_state *mrb)
{
struct RClass *cg_m;
cg_m = mrb_module_get(mrb, "CandyGear");
mrb_define_class_method(
mrb, cg_m, "game_name=", cg_mCandyGear_set_game_name, MRB_ARGS_REQ(1));
}
void
cg_candy_gear_finish_config(mrb_state *mrb)
{
struct RClass *cg_m;
cg_m = mrb_module_get(mrb, "CandyGear");
mrb_undef_class_method(mrb, cg_m, "game_name=");
}
void
cg_candy_gear_init(mrb_state *mrb)
{
struct RClass *cg_m;
cg_m = mrb_module_get(mrb, "CandyGear");
mrb_define_class_method(
mrb, cg_m, "load_yaml", cg_mCandyGear_load_yaml, MRB_ARGS_REQ(1));
mrb_define_class_method(
mrb, cg_m, "views=", cg_mCandyGear_set_views, MRB_ARGS_REQ(1));
mrb_define_class_method(
mrb, cg_m, "log", cg_mCandyGear_log, MRB_ARGS_REQ(2));
mrb_define_class_method(
mrb, cg_m, "quit", cg_mCandyGear_quit, MRB_ARGS_NONE());
}
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