SelectionContext.h

/*
 * Copyright 2021 Adobe. All rights reserved.
 * This file is licensed to you 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 REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
#pragma once
 
#include <lagrange/ui/Entity.h>
#include <lagrange/ui/components/Selection.h>
#include <lagrange/ui/types/Camera.h>
#include <lagrange/ui/types/Frustum.h>
#include <Eigen/Eigen>
 
namespace lagrange {
namespace ui {
 
struct SelectionContext
{
    // Registered element type using register_tool_type
    entt::id_type element_type;
 
    Entity active_viewport = NullEntity;
 
    bool active = false;
 
    bool marquee_active = false;
 
    /*
        Screen space
    */
 
    Eigen::Vector2f screen_begin;
 
    Eigen::Vector2f screen_end;
 
    Eigen::Vector2f screen_position;
 
    /*
        Viewport space (clipped)
    */
 
    Eigen::Vector2i viewport_min;
 
    Eigen::Vector2i viewport_max;
 
    Eigen::Vector2i viewport_position;
 
 
    Eigen::Vector3f ray_origin;
 
    Eigen::Vector3f ray_dir;
 
    Frustum frustum;
 
    Frustum neighbourhood_frustum;
    float neighbourhood_frustum_radius = 10.0f; // px
 
    Frustum onepx_frustum;
 
    Camera camera;
 
    SelectionBehavior behavior = SelectionBehavior::SET;
 
    bool select_backfacing = false;
};
 
 
} // namespace ui
} // namespace lagrange