115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GLTFIO_TRSTRANSFORMMANAGER_H
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#define GLTFIO_TRSTRANSFORMMANAGER_H
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#include <filament/FilamentAPI.h>
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#include <utils/compiler.h>
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#include <utils/EntityInstance.h>
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#include <math/quat.h>
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#include <math/vec3.h>
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#include <math/mat4.h>
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using namespace filament::math;
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namespace utils {
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class Entity;
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} // namespace utils
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namespace filament::gltfio {
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class FTrsTransformManager;
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/**
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* TrsTransformManager is used to add entities with glTF-specific trs information.
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*
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* Trs information here just used for Animation, DON'T use for transform.
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*/
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class UTILS_PUBLIC TrsTransformManager {
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public:
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using Instance = utils::EntityInstance<TrsTransformManager>;
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using Entity = utils::Entity;
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/**
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* Returns whether a particular Entity is associated with a component of this TrsTransformManager
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* @param e An Entity.
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* @return true if this Entity has a component associated with this manager.
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*/
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bool hasComponent(Entity e) const noexcept;
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/**
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* Gets an Instance representing the trs transform component associated with the given Entity.
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* @param e An Entity.
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* @return An Instance object, which represents the trs transform component associated with the Entity e.
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* @note Use Instance::isValid() to make sure the component exists.
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* @see hasComponent()
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*/
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Instance getInstance(Entity e) const noexcept;
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/**
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* Creates a trs transform component and associates it with the given entity.
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* @param entity An Entity to associate a trs transform component with.
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* @param translation The translation to initialize the trs transform component with.
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* @param rotation The rotation to initialize the trs transform component with.
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* @param scale The scale to initialize the trs transform component with.
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*
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* If this component already exists on the given entity, it is first destroyed as if
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* destroy(Entity e) was called.
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*
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* @see destroy()
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*/
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void create(Entity entity);
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void create(Entity entity, const float3& translation, const quatf& rotation,
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const float3& scale); //!< \overload
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/**
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* Destroys this component from the given entity.
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* @param e An entity.
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*
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* @see create()
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*/
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void destroy(Entity e) noexcept;
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void setTranslation(Instance ci, const float3& translation) noexcept;
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const float3& getTranslation(Instance ci) const noexcept;
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void setRotation(Instance ci, const quatf& rotation) noexcept;
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const quatf& getRotation(Instance ci) const noexcept;
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void setScale(Instance ci, const float3& scale) noexcept;
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const float3& getScale(Instance ci) const noexcept;
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void setTrs(Instance ci, const float3& translation, const quatf& rotation,
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const float3& scale) noexcept;
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const mat4f getTransform(Instance ci) const noexcept;
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protected:
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TrsTransformManager() noexcept = default;
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~TrsTransformManager() = default;
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public:
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TrsTransformManager(TrsTransformManager const&) = delete;
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TrsTransformManager(TrsTransformManager&&) = delete;
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TrsTransformManager& operator=(TrsTransformManager const&) = delete;
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TrsTransformManager& operator=(TrsTransformManager&&) = delete;
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};
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} // namespace filament::gltfio
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#endif // GLTFIO_TRSTRANSFORMMANAGER_H
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