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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 "sprite.hpp"
#include "texture.hpp"
#include "vector_4d.hpp"
#include "view_2d.hpp"
#include "vk/sprite.hpp"
void
cg_free_sprite(mrb_state *mrb, void* obj)
{
auto ptr = static_cast<std::shared_ptr<VK::Sprite>*>(obj);
ptr->~shared_ptr();
mrb_free(mrb, ptr);
}
const struct mrb_data_type cg_sprite_type = { "CG_Sprite", cg_free_sprite };
static mrb_value
cg_cSprite_initialize(mrb_state *mrb, mrb_value self)
{
mrb_float x, y, w, h;
glm::vec4 vector_4d;
std::shared_ptr<VK::Texture> *texture;
std::shared_ptr<VK::Sprite> *ptr;
mrb_get_args(
mrb, "dffff", &texture, &cg_texture_type, &x, &y, &w, &h);
ptr = (std::shared_ptr<VK::Sprite>*)DATA_PTR(self);
if(ptr) mrb_free(mrb, ptr);
ptr = (std::shared_ptr<VK::Sprite>*)mrb_malloc(
mrb, sizeof(std::shared_ptr<VK::Sprite>));
vector_4d.x = x;
vector_4d.y = y;
vector_4d.z = w;
vector_4d.w = h;
new(ptr)std::shared_ptr<VK::Sprite>(
std::make_shared<VK::Sprite>(*texture, vector_4d));
mrb_data_init(self, ptr, &cg_sprite_type);
return self;
}
static mrb_value
cg_cSprite_draw(mrb_state *mrb, mrb_value self)
{
mrb_value view_value;
VK::View2D *view_2d;
mrb_float x, y, w, h;
auto ptr = (std::shared_ptr<VK::Sprite>*)DATA_PTR(self);
mrb_get_args(mrb, "offff", &view_value, &x, &y, &w, &h);
view_2d = cg_cView_to_view_2d(mrb, view_value);
glm::vec4 rect(x, y, x + w, y + h);
auto &positions = view_2d->sprites_to_draw[
cg_core.vk_swapchain->current_frame][*ptr];
positions.push_back(rect);
return self;
}
void
cg_sprite_init(mrb_state *mrb)
{
struct RClass *cg_m, *cg_cSprite;
cg_m = mrb_module_get(mrb, "CandyGear");
cg_cSprite = mrb_define_class_under(mrb, cg_m, "Sprite", mrb->object_class);
MRB_SET_INSTANCE_TT(cg_cSprite, MRB_TT_DATA);
mrb_define_method(
mrb, cg_cSprite, "initialize", cg_cSprite_initialize, MRB_ARGS_REQ(5));
mrb_define_method(mrb, cg_cSprite, "draw", cg_cSprite_draw, MRB_ARGS_REQ(5));
}
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