Source/Samples/Sample.h - master - Metallist64/rbfx

Source/Samples/Sample.h
146 строк5 KB
gleblebedev
Pointer adapter (#533)
23 апр 2023, 18:36
23 апр 2023, 18:36d58e94b
//
// Copyright (c) 2008-2022 the Urho3D project.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

#pragma once

#include <Urho3D/Engine/Application.h>
#include <Urho3D/Graphics/Camera.h>
#include <Urho3D/SystemUI/Console.h>
#include <Urho3D/UI/Cursor.h>
#if URHO3D_SYSTEMUI
#include <Urho3D/SystemUI/DebugHud.h>
#endif

#include <Urho3D/Engine/StateManager.h>
#include <Urho3D/Engine/Engine.h>
#include <Urho3D/Engine/EngineDefs.h>
#include <Urho3D/IO/FileSystem.h>
#include <Urho3D/Graphics/Graphics.h>
#include <Urho3D/Input/Input.h>
#include <Urho3D/Input/InputEvents.h>
#include <Urho3D/Graphics/Renderer.h>
#include <Urho3D/Resource/ResourceCache.h>
#include <Urho3D/Scene/Node.h>
#include <Urho3D/Scene/Scene.h>
#include <Urho3D/Scene/SceneEvents.h>
#include <Urho3D/UI/Sprite.h>
#include <Urho3D/Graphics/Texture2D.h>
#include <Urho3D/Core/Timer.h>
#include <Urho3D/UI/UI.h>
#include <Urho3D/Resource/XMLFile.h>
#include <Urho3D/IO/Log.h>
#include <Urho3D/Core/Profiler.h>


// All Urho3D classes reside in namespace Urho3D
using namespace Urho3D;

const float TOUCH_SENSITIVITY = 2.0f;

/// Send this event to exit sample.
URHO3D_EVENT(E_SAMPLE_EXIT_REQUESTED, SampleExitRequested)
{
}

/// Sample class, as framework for all samples.
///    - Initialization of the Urho3D engine (in Application class)
///    - Modify engine parameters for windowed mode and to show the class name as title
///    - Create Urho3D logo at screen
///    - Set custom window title and icon
///    - Create Console and Debug HUD, and use F1 and F2 key to toggle them
///    - Toggle rendering options from the keys 1-8
///    - Take screenshot with key 9
///    - Handle Esc key down to hide Console or exit application
///    - Init touch input on mobile platform using screen joysticks (patched for each individual sample)
class Sample : public ApplicationState
{
    // Enable type information.
    URHO3D_OBJECT(Sample, ApplicationState);

public:
    /// Construct.
    explicit Sample(Context* context);

    /// Activate game state. Executed by StateManager.
    virtual void Activate(StringVariantMap& bundle) override;

    /// Deactivate game state. Executed by StateManager.
    virtual void Deactivate() override;

    /// Setup after engine initialization with optional command line parameters.
    virtual void Start(const ea::vector<ea::string>& args);
    /// Setup after engine initialization. Creates the logo, console & debug HUD.
    virtual void Start();
    /// Cleanup after the main loop. Called by Application.
    virtual void Stop();

    /// Return whether the Esc button should close sample.
    virtual bool IsEscapeEnabled() { return true; }

protected:
    /// Create or update skybox with default model and material.
    void SetDefaultSkybox(Scene* scene);
    /// Return XML patch instructions for screen joystick layout for a specific sample app, if any.
    virtual ea::string GetScreenJoystickPatchString() const { return EMPTY_STRING; }
    /// Initialize touch input on mobile platform.
    void InitTouchInput();
    /// Control logo visibility.
    void SetLogoVisible(bool enable);
    ///
    void CloseSample();

    /// Logo sprite.
    SharedPtr<Sprite> logoSprite_;
    /// Scene.
    SharedPtr<Scene> scene_;
    /// Camera scene node.
    SharedPtr<Node> cameraNode_;
    /// Camera yaw angle.
    float yaw_;
    /// Camera pitch angle.
    float pitch_;
    /// Flag to indicate whether touch input has been enabled.
    bool touchEnabled_;

private:
    /// Create logo.
    void CreateLogo();
    /// Set custom window Title & Icon
    void SetWindowTitleAndIcon();
    /// Create console and debug HUD.
    void CreateConsoleAndDebugHud();
    /// Handle key down event to process key controls common to all samples.
    void HandleKeyDown(StringHash eventType, VariantMap& eventData);
    /// Handle key up event to process key controls common to all samples.
    void HandleKeyUp(StringHash eventType, VariantMap& eventData);
    /// Handle scene update event to control camera's pitch and yaw for all samples.
    void HandleSceneUpdate(StringHash eventType, VariantMap& eventData);
    /// Handle touch begin event to initialize touch input on desktop platform.
    void HandleTouchBegin(StringHash eventType, VariantMap& eventData);

    /// Screen joystick index for navigational controls (mobile platforms only).
    unsigned screenJoystickIndex_;
    /// Screen joystick index for settings (mobile platforms only).
    unsigned screenJoystickSettingsIndex_;
    /// Pause flag.
    bool paused_;
};