add toggle for postprocessing and minor cleanup work

macos/include/filament/gltfio/TrsTransformManager.h

@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef GLTFIO_TRSTRANSFORMMANAGER_H
+#define GLTFIO_TRSTRANSFORMMANAGER_H
+
+#include <filament/FilamentAPI.h>
+
+#include <utils/compiler.h>
+#include <utils/EntityInstance.h>
+#include <math/quat.h>
+#include <math/vec3.h>
+#include <math/mat4.h>
+
+using namespace filament::math;
+
+namespace utils {
+class Entity;
+} // namespace utils
+
+namespace filament::gltfio {
+
+class FTrsTransformManager;
+
+/**
+ * TrsTransformManager is used to add entities with glTF-specific trs information.
+ *
+ * Trs information here just used for Animation, DON'T use for transform.
+ */
+class UTILS_PUBLIC TrsTransformManager {
+public:
+    using Instance = utils::EntityInstance<TrsTransformManager>;
+    using Entity = utils::Entity;
+
+    /**
+     * Returns whether a particular Entity is associated with a component of this TrsTransformManager
+     * @param e An Entity.
+     * @return true if this Entity has a component associated with this manager.
+     */
+    bool hasComponent(Entity e) const noexcept;
+
+    /**
+     * Gets an Instance representing the trs transform component associated with the given Entity.
+     * @param e An Entity.
+     * @return An Instance object, which represents the trs transform component associated with the Entity e.
+     * @note Use Instance::isValid() to make sure the component exists.
+     * @see hasComponent()
+     */
+    Instance getInstance(Entity e) const noexcept;
+
+    /**
+     * Creates a trs transform component and associates it with the given entity.
+     * @param entity            An Entity to associate a trs transform component with.
+     * @param translation       The translation to initialize the trs transform component with.
+     * @param rotation          The rotation to initialize the trs transform component with.
+     * @param scale             The scale to initialize the trs transform component with.
+     *
+     * If this component already exists on the given entity, it is first destroyed as if
+     * destroy(Entity e) was called.
+     *
+     * @see destroy()
+     */
+    void create(Entity entity);
+    void create(Entity entity, const float3& translation, const quatf& rotation,
+            const float3& scale);  //!< \overload
+
+    /**
+     * Destroys this component from the given entity.
+     * @param e An entity.
+     *
+     * @see create()
+     */
+    void destroy(Entity e) noexcept;
+
+    void setTranslation(Instance ci, const float3& translation) noexcept;
+    const float3& getTranslation(Instance ci) const noexcept;
+
+    void setRotation(Instance ci, const quatf& rotation) noexcept;
+    const quatf& getRotation(Instance ci) const noexcept;
+
+    void setScale(Instance ci, const float3& scale) noexcept;
+    const float3& getScale(Instance ci) const noexcept;
+
+    void setTrs(Instance ci, const float3& translation, const quatf& rotation,
+            const float3& scale) noexcept;
+    const mat4f getTransform(Instance ci) const noexcept;
+
+protected:
+    TrsTransformManager() noexcept = default;
+    ~TrsTransformManager() = default;
+
+public:
+    TrsTransformManager(TrsTransformManager const&) = delete;
+    TrsTransformManager(TrsTransformManager&&) = delete;
+    TrsTransformManager& operator=(TrsTransformManager const&) = delete;
+    TrsTransformManager& operator=(TrsTransformManager&&) = delete;
+};
+
+} // namespace filament::gltfio
+
+#endif // GLTFIO_TRSTRANSFORMMANAGER_H