loadingscene.h

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/* Conquer Space
 * Copyright (C) 2021-2023 Conquer Space
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
 */
#pragma once
 
#include <atomic>
#include <memory>
#include <thread>
 
#include "client/scenes/scene.h"
 
namespace cqsp {
namespace scene {
// First loading scene when the game starts
class LoadingScene : public cqsp::client::Scene {
 public:
    explicit LoadingScene(cqsp::engine::Application& app);
    ~LoadingScene();
 
    void Init();
    void Update(float deltaTime);
    void Ui(float deltaTime);
    void Render(float deltaTime);
 
    /*
    * Function to load in a thread.
    */
    void LoadResources();
 
 private:
    float windowWidth, windowHeight;
 
    std::atomic<bool> m_done_loading;
 
    std::unique_ptr<std::thread> thread;
 
    std::atomic<float> percentage;
 
    cqsp::asset::AssetLoader assetLoader;
 
    Rml::ElementDocument* document;
 
    void LoadFont();
    bool need_halt = false;
 
    struct LoadingDataModel {
        int current = 0;
        int max = 0;
    } loading_data;
 
    Rml::DataModelHandle model_handle;
};
}  // namespace scene
}  // namespace cqsp