💿🐜 Antkeeper source code
https://antkeeper.com
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
188 lines
4.7 KiB
188 lines
4.7 KiB
/*
|
|
* Copyright (C) 2023 Christopher J. Howard
|
|
*
|
|
* This file is part of Antkeeper source code.
|
|
*
|
|
* Antkeeper source code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Antkeeper source code is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef ANTKEEPER_SCENE_OBJECT_HPP
|
|
#define ANTKEEPER_SCENE_OBJECT_HPP
|
|
|
|
#include <engine/geom/primitives/box.hpp>
|
|
#include <engine/math/vector.hpp>
|
|
#include <engine/math/quaternion.hpp>
|
|
#include <engine/math/transform.hpp>
|
|
#include <engine/render/context.hpp>
|
|
#include <atomic>
|
|
#include <cstdint>
|
|
|
|
namespace scene {
|
|
|
|
/**
|
|
* Abstract base class for scene objects.
|
|
*/
|
|
class object_base
|
|
{
|
|
public:
|
|
using vector_type = math::fvec3;
|
|
using quaternion_type = math::fquat;
|
|
using transform_type = math::transform<float>;
|
|
using aabb_type = geom::box<float>;
|
|
|
|
/// Returns the type ID for this scene object type.
|
|
[[nodiscard]] virtual const std::size_t get_object_type_id() const noexcept = 0;
|
|
|
|
/**
|
|
* Adds render operations to a render context.
|
|
*
|
|
* @param ctx Render context.
|
|
*/
|
|
inline virtual void render(render::context& ctx) const {}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
void look_at(const vector_type& position, const vector_type& target, const vector_type& up);
|
|
|
|
/**
|
|
* Sets the layer mask of the object.
|
|
*
|
|
* @param mask 32-bit layer mask in which each set bit represents a layer in which the object is visible.
|
|
*/
|
|
inline constexpr void set_layer_mask(std::uint32_t mask) noexcept
|
|
{
|
|
m_layer_mask = mask;
|
|
}
|
|
|
|
/**
|
|
* Sets the transform of the object.
|
|
*
|
|
* @param transform Object transform.
|
|
*/
|
|
inline void set_transform(const transform_type& transform)
|
|
{
|
|
m_transform = transform;
|
|
transformed();
|
|
}
|
|
|
|
/**
|
|
* Sets the translation of the object.
|
|
*
|
|
* @param translation Object translation.
|
|
*/
|
|
inline void set_translation(const vector_type& translation)
|
|
{
|
|
m_transform.translation = translation;
|
|
transformed();
|
|
}
|
|
|
|
/**
|
|
* Sets the rotation of the object.
|
|
*
|
|
* @param rotation Object rotation.
|
|
*/
|
|
inline void set_rotation(const quaternion_type& rotation)
|
|
{
|
|
m_transform.rotation = rotation;
|
|
transformed();
|
|
}
|
|
|
|
/**
|
|
* Sets the scale of the object.
|
|
*
|
|
* @params scale Object scale.
|
|
*/
|
|
/// @{
|
|
inline void set_scale(const vector_type& scale)
|
|
{
|
|
m_transform.scale = scale;
|
|
transformed();
|
|
}
|
|
inline void set_scale(float scale)
|
|
{
|
|
m_transform.scale = {scale, scale, scale};
|
|
transformed();
|
|
}
|
|
/// @}
|
|
|
|
/// Returns the layer mask of the object.
|
|
[[nodiscard]] inline constexpr std::uint32_t get_layer_mask() const noexcept
|
|
{
|
|
return m_layer_mask;
|
|
}
|
|
|
|
/// Returns the transform of the object.
|
|
[[nodiscard]] inline constexpr const transform_type& get_transform() const noexcept
|
|
{
|
|
return m_transform;
|
|
}
|
|
|
|
/// Returns the translation of the object.
|
|
[[nodiscard]] inline constexpr const vector_type& get_translation() const noexcept
|
|
{
|
|
return m_transform.translation;
|
|
}
|
|
|
|
/// Returns the rotation of the object.
|
|
[[nodiscard]] inline constexpr const quaternion_type& get_rotation() const noexcept
|
|
{
|
|
return m_transform.rotation;
|
|
}
|
|
|
|
/// Returns the scale of the object.
|
|
[[nodiscard]] inline constexpr const vector_type& get_scale() const noexcept
|
|
{
|
|
return m_transform.scale;
|
|
}
|
|
|
|
/// Returns the bounds of the object.
|
|
[[nodiscard]] virtual const aabb_type& get_bounds() const noexcept = 0;
|
|
|
|
protected:
|
|
static std::size_t next_object_type_id();
|
|
|
|
/**
|
|
* Called every time the scene object's tranform is changed.
|
|
*/
|
|
inline virtual void transformed() {}
|
|
|
|
std::uint32_t m_layer_mask{1};
|
|
transform_type m_transform{transform_type::identity()};
|
|
};
|
|
|
|
/**
|
|
* Abstract base class for lights, cameras, model instances, and other scene objects.
|
|
*
|
|
* @tparam T This should be the same class that's inheriting from the scene object, in order to give it a valid type-specific ID.
|
|
*/
|
|
template <class T>
|
|
class object: public object_base
|
|
{
|
|
public:
|
|
/// Unique type ID for this scene object type.
|
|
static const std::atomic<std::size_t> object_type_id;
|
|
|
|
[[nodiscard]] inline const std::size_t get_object_type_id() const noexcept final
|
|
{
|
|
return object_type_id;
|
|
}
|
|
};
|
|
|
|
template <typename T>
|
|
const std::atomic<std::size_t> object<T>::object_type_id{object_base::next_object_type_id()};
|
|
|
|
} // namespace scene
|
|
|
|
#endif // ANTKEEPER_SCENE_OBJECT_HPP
|