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/*
* Copyright 2022-2024 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.
*/
#define _USE_MATH_DEFINES
#include "orientation_3d.hpp"
#include "vector_3d.hpp"
void
cg_free_orientation_3d(mrb_state *mrb, void* obj)
{
auto ptr = static_cast<std::shared_ptr<glm::quat>*>(obj);
ptr->~shared_ptr();
mrb_free(mrb, ptr);
}
const struct mrb_data_type cg_orientation_3d_type = {
"CG_Orientation3D", cg_free_orientation_3d};
static mrb_value
cg_cOrientation3D_initialize(mrb_state *mrb, mrb_value self)
{
mrb_float x, y, z;
std::shared_ptr<glm::quat> *ptr;
mrb_get_args(mrb, "fff", &x, &y, &z);
ptr = (std::shared_ptr<glm::quat>*)DATA_PTR(self);
if(ptr) mrb_free(mrb, ptr);
ptr = (std::shared_ptr<glm::quat>*)mrb_malloc(
mrb, sizeof(std::shared_ptr<glm::quat>));
glm::vec3 angles(x, y, z);
new(ptr)std::shared_ptr<glm::quat>(
std::make_shared<glm::quat>(angles));
(**ptr) = glm::normalize(**ptr);
mrb_data_init(self, ptr, &cg_orientation_3d_type);
return self;
}
static mrb_value
cg_cOrientation3D_get_w(mrb_state *mrb, mrb_value self)
{
std::shared_ptr<glm::quat> *ptr =
(std::shared_ptr<glm::quat>*)DATA_PTR(self);
return mrb_float_value(mrb, (*ptr)->w);
}
static mrb_value
cg_cOrientation3D_get_x(mrb_state *mrb, mrb_value self)
{
std::shared_ptr<glm::quat> *ptr =
(std::shared_ptr<glm::quat>*)DATA_PTR(self);
return mrb_float_value(mrb, (*ptr)->x);
}
static mrb_value
cg_cOrientation3D_get_y(mrb_state *mrb, mrb_value self)
{
std::shared_ptr<glm::quat> *ptr =
(std::shared_ptr<glm::quat>*)DATA_PTR(self);
return mrb_float_value(mrb, (*ptr)->y);
}
static mrb_value
cg_cOrientation3D_get_z(mrb_state *mrb, mrb_value self)
{
std::shared_ptr<glm::quat> *ptr =
(std::shared_ptr<glm::quat>*)DATA_PTR(self);
return mrb_float_value(mrb, (*ptr)->z);
}
static mrb_value
cg_cOrientation3D_rotate(mrb_state *mrb, mrb_value self)
{
mrb_float x, y, z;
auto *ptr = (std::shared_ptr<glm::quat>*)DATA_PTR(self);
mrb_get_args(mrb, "fff", &x, &y, &z);
glm::vec3 angles(x, y, z);
glm::quat rot(angles);
(**ptr) *= rot;
// TODO: calling normalize for every rotation is expensive.
(**ptr) = glm::normalize(**ptr);
return self;
}
void
cg_orientation_3d_init(mrb_state *mrb)
{
struct RClass *cg_m, *cg_cOrientation3D;
cg_m = mrb_module_get(mrb, "CandyGear");
cg_cOrientation3D = mrb_define_class_under(
mrb, cg_m, "Orientation3D", mrb->object_class);
MRB_SET_INSTANCE_TT(cg_cOrientation3D, MRB_TT_DATA);
mrb_define_method(
mrb, cg_cOrientation3D, "initialize", cg_cOrientation3D_initialize,
MRB_ARGS_REQ(3));
mrb_define_method(
mrb, cg_cOrientation3D, "w", cg_cOrientation3D_get_w, MRB_ARGS_NONE());
mrb_define_method(
mrb, cg_cOrientation3D, "x", cg_cOrientation3D_get_x, MRB_ARGS_NONE());
mrb_define_method(
mrb, cg_cOrientation3D, "y", cg_cOrientation3D_get_y, MRB_ARGS_NONE());
mrb_define_method(
mrb, cg_cOrientation3D, "z", cg_cOrientation3D_get_z, MRB_ARGS_NONE());
mrb_define_method(
mrb, cg_cOrientation3D, "rotate", cg_cOrientation3D_rotate,
MRB_ARGS_REQ(3));
}
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