/*
 * 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 "mesh.hpp"

#include "rotation_3d.hpp"
#include "vector_3d.hpp"

void
cg_free_mesh(mrb_state *mrb, void* obj)
{
  auto ptr = static_cast<std::shared_ptr<VK::Mesh>*>(obj);

  ptr->~shared_ptr();
  mrb_free(mrb, ptr);
}

const struct mrb_data_type cg_mesh_type = { "CG_Mesh", cg_free_mesh };

static mrb_value
cg_cMesh_initialize(mrb_state *mrb, mrb_value self)
{
  const char *file_path;

  std::shared_ptr<VK::Mesh> *ptr;

  mrb_get_args(mrb, "z", &file_path);
  ptr = (std::shared_ptr<VK::Mesh>*)DATA_PTR(self);
  if(ptr) mrb_free(mrb, ptr);
  ptr = (std::shared_ptr<VK::Mesh>*)mrb_malloc(
    mrb, sizeof(std::shared_ptr<VK::Mesh>));

  new(ptr)std::shared_ptr<VK::Mesh>(std::make_shared<VK::Mesh>(file_path));

  mrb_data_init(self, ptr, &cg_mesh_type);
  return self;
}

void
cg_mesh_init(mrb_state *mrb)
{
  struct RClass *cg_m, *cg_cMesh;

  cg_m = mrb_module_get(mrb, "CandyGear");
  cg_cMesh = mrb_define_class_under(mrb, cg_m, "Mesh", mrb->object_class);
  MRB_SET_INSTANCE_TT(cg_cMesh, MRB_TT_DATA);
  mrb_define_method(
    mrb, cg_cMesh, "initialize", cg_cMesh_initialize, MRB_ARGS_REQ(1));
}