/*
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* Copyright (C) 2023 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_RENDER_MODEL_HPP
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#define ANTKEEPER_RENDER_MODEL_HPP
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#include <engine/animation/skeleton.hpp>
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#include <engine/geom/primitives/box.hpp>
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#include <engine/gl/drawing-mode.hpp>
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#include <engine/gl/vertex-array.hpp>
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#include <engine/gl/vertex-buffer.hpp>
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#include <engine/render/material.hpp>
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#include <engine/utility/hash/fnv1a.hpp>
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#include <cstdint>
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#include <memory>
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#include <string>
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#include <vector>
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namespace render {
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/**
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* Part of a model which is associated with exactly one material.
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*/
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struct model_group
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{
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hash::fnv1a32_t id;
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gl::drawing_mode drawing_mode;
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std::uint32_t start_index;
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std::uint32_t index_count;
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std::shared_ptr<material> material;
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};
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/**
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*
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*/
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class model
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{
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public:
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/// AABB type.
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using aabb_type = geom::box<float>;
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/**
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* Constructs a model.
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*/
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model();
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/**
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* Returns the vertex array associated with this model.
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*/
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/// @{
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[[nodiscard]] inline const std::shared_ptr<gl::vertex_array>& get_vertex_array() const noexcept
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{
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return vertex_array;
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}
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[[nodiscard]] inline std::shared_ptr<gl::vertex_array>& get_vertex_array() noexcept
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{
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return vertex_array;
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}
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/// @}
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/**
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* Returns the vertex buffer associated with this model.
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*/
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/// @{
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[[nodiscard]] inline const std::shared_ptr<gl::vertex_buffer>& get_vertex_buffer() const noexcept
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{
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return vertex_buffer;
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}
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[[nodiscard]] inline std::shared_ptr<gl::vertex_buffer>& get_vertex_buffer() noexcept
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{
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return vertex_buffer;
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}
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/// @}
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/**
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* Returns the bounds of the model.
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*/
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/// @{
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[[nodiscard]] inline const aabb_type& get_bounds() const noexcept
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{
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return bounds;
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}
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[[nodiscard]] inline aabb_type& get_bounds() noexcept
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{
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return bounds;
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}
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/// @}
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/**
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* Returns the model's model groups.
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*/
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/// @{
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[[nodiscard]] inline const std::vector<model_group>& get_groups() const noexcept
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{
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return groups;
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}
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[[nodiscard]] inline std::vector<model_group>& get_groups() noexcept
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{
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return groups;
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}
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/// @}
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/**
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* Returns the skeleton associated with this model.
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*/
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/// @{
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[[nodiscard]] inline const ::skeleton& get_skeleton() const noexcept
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{
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return skeleton;
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}
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[[nodiscard]] inline ::skeleton& get_skeleton() noexcept
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{
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return skeleton;
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}
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/// @}
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private:
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std::shared_ptr<gl::vertex_array> vertex_array;
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std::shared_ptr<gl::vertex_buffer> vertex_buffer;
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aabb_type bounds{{0, 0, 0}, {0, 0, 0}};
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std::vector<model_group> groups;
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::skeleton skeleton;
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};
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} // namespace render
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#endif // ANTKEEPER_RENDER_MODEL_HPP
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