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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 "view_2d.hpp"
#include "sprite.hpp"
#include "vector_4d.hpp"
#include "view_3d.hpp"
#include "vk/sprite.hpp"
#include "vk/view_2d.hpp"
void
cg_free_view_2d(mrb_state *mrb, void* obj)
{
auto ptr = static_cast<std::shared_ptr<VK::View2D>*>(obj);
ptr->~shared_ptr();
mrb_free(mrb, ptr);
}
const struct mrb_data_type cg_view_2d_type = { "CG_View2D", cg_free_view_2d };
static mrb_value
cg_cView2D_initialize(mrb_state *mrb, mrb_value self)
{
std::shared_ptr<glm::vec4> *region;
mrb_float projection_width, projection_height;
std::shared_ptr<VK::View2D> *ptr;
mrb_get_args(mrb, "dff", ®ion, &cg_vector_4d_type,
&projection_width, &projection_height);
ptr = (std::shared_ptr<VK::View2D>*)DATA_PTR(self);
if(ptr) mrb_free(mrb, ptr);
ptr = (std::shared_ptr<VK::View2D>*)mrb_malloc(
mrb, sizeof(std::shared_ptr<VK::View2D>));
new(ptr)std::shared_ptr<VK::View2D>(
std::make_shared<VK::View2D>(
*region->get(), projection_width, projection_height));
mrb_data_init(self, ptr, &cg_view_2d_type);
return self;
}
VK::View2D*
cg_cView_to_view_2d(mrb_state *mrb, mrb_value view_value)
{
VK::View2D* view_2d;
const mrb_data_type *type = DATA_TYPE(view_value);
if(type == &cg_view_2d_type)
view_2d = static_cast<std::shared_ptr<VK::View2D>*>(
DATA_PTR(view_value))->get();
else if (type == &cg_view_3d_type)
view_2d = static_cast<VK::View2D*>(
static_cast<std::shared_ptr<VK::View3D>*>(
DATA_PTR(view_value))->get());
else
mrb_raisef(
mrb, E_TYPE_ERROR, "wrong argument type %s (expected %s or %s)",
type->struct_name, cg_view_2d_type.struct_name,
cg_view_3d_type.struct_name);
return view_2d;
}
void
cg_view_2d_init(mrb_state *mrb)
{
struct RClass *cg_m, *cg_cView2D;
cg_m = mrb_module_get(mrb, "CandyGear");
cg_cView2D = mrb_define_class_under(mrb, cg_m, "View2D", mrb->object_class);
MRB_SET_INSTANCE_TT(cg_cView2D, MRB_TT_DATA);
mrb_define_method(
mrb, cg_cView2D, "initialize", cg_cView2D_initialize, MRB_ARGS_REQ(3));
}
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