axmol/tests/cpp-tests/Classes/Camera3DTest/Camera3DTest.h

/****************************************************************************
Copyright (c) 2013 cocos2d-x.org
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

https://axis-project.github.io/

Permission is hereby granted, free of charge, to any person obtaining a copy
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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****************************************************************************/

#pragma once

#include "../BaseTest.h"
#include "../MeshRendererTest/DrawNode3D.h"

#include "renderer/backend/ProgramState.h"
#include "renderer/backend/Types.h"

#include <string>

NS_AX_BEGIN
class MeshRenderer;
class Delay;
NS_AX_END  // namespace axis

enum State
{
    State_None         = 0,
    State_Idle         = 0x01,
    State_Move         = 0x02,
    State_Rotate       = 0x04,
    State_Speak        = 0x08,
    State_MeleeAttack  = 0x10,
    State_RemoteAttack = 0x20,
    State_Attack       = 0x40,
};
enum class CameraType
{
    Free        = 0,
    FirstPerson = 1,
    ThirdPerson = 2,
};

enum class OperateCamType
{
    MoveCamera   = 0,
    RotateCamera = 1,
};

DEFINE_TEST_SUITE(Camera3DTests);

class CameraBaseTest : public TestCase
{
public:
protected:
    axis::BillBoard* bill1;
    axis::BillBoard* bill2;
    axis::Label* l1;
    axis::Label* l2;
};

class CameraRotationTest : public CameraBaseTest
{

public:
    CREATE_FUNC(CameraRotationTest);
    CameraRotationTest();
    virtual ~CameraRotationTest();

    virtual void onEnter() override;
    virtual void onExit() override;

    virtual void update(float dt) override;

    // overrides
    virtual std::string title() const override;
    virtual std::string subtitle() const override;

protected:
    axis::Node* _camControlNode;
    axis::Node* _camNode;
    axis::EventListenerTouchOneByOne* _lis;
};

class Camera3DTestDemo : public CameraBaseTest
{
public:
    CREATE_FUNC(Camera3DTestDemo);
    Camera3DTestDemo();
    virtual ~Camera3DTestDemo();

    virtual void onEnter() override;
    virtual void onExit() override;
    // overrides
    virtual std::string title() const override;
    void addNewSpriteWithCoords(axis::Vec3 p,
                                std::string fileName,
                                bool playAnimation = false,
                                float scale        = 1.0f,
                                bool bindCamera    = false);

    void onTouchesBegan(const std::vector<axis::Touch*>& touches, axis::Event* event);
    void onTouchesMoved(const std::vector<axis::Touch*>& touches, axis::Event* event);
    void onTouchesEnded(const std::vector<axis::Touch*>& touches, axis::Event* event);

    void scaleCameraCallback(axis::Ref* sender, float value);
    void rotateCameraCallback(axis::Ref* sender, float value);
    void SwitchViewCallback(axis::Ref* sender, CameraType cameraType);
    void updateCamera(float fDelta);
    void move3D(float elapsedTime);
    void updateState(float elapsedTime);
    bool isState(unsigned int state, unsigned int bit) const;
    void reachEndCallBack();

    bool onTouchesCommon(axis::Touch* touch, axis::Event* event, bool* touchProperty);
    bool onTouchesZoomOut(axis::Touch* touch, axis::Event* event);
    void onTouchesZoomOutEnd(axis::Touch* touch, axis::Event* event);
    bool onTouchesZoomIn(axis::Touch* touch, axis::Event* event);
    void onTouchesZoomInEnd(axis::Touch* touch, axis::Event* event);

    bool onTouchesRotateLeft(axis::Touch* touch, axis::Event* event);
    void onTouchesRotateLeftEnd(axis::Touch* touch, axis::Event* event);
    bool onTouchesRotateRight(axis::Touch* touch, axis::Event* event);
    void onTouchesRotateRightEnd(axis::Touch* touch, axis::Event* event);

protected:
    std::string _title;
    axis::Layer* _layer3D;
    axis::MeshRenderer* _mesh;
    axis::Vec3 _targetPos;
    CameraType _cameraType;
    axis::MenuItem* _incRot;
    axis::MenuItem* _decRot;
    unsigned int _curState;
    axis::Camera* _camera;
    axis::MoveTo* _moveAction;
    bool _bZoomOut;
    bool _bZoomIn;
    bool _bRotateLeft;
    bool _bRotateRight;
    axis::Label* _RotateRightlabel;
    axis::Label* _RotateLeftlabel;
    axis::Label* _ZoomInlabel;
    axis::Label* _ZoomOutlabel;
};

class CameraCullingDemo : public CameraBaseTest
{
public:
    CREATE_FUNC(CameraCullingDemo);
    CameraCullingDemo();
    virtual ~CameraCullingDemo();

    virtual void onEnter() override;
    virtual void onExit() override;

    virtual void update(float dt) override;

    // overrides
    virtual std::string title() const override;
    void reachEndCallBack();
    void switchViewCallback(axis::Ref* sender);
    void addMeshCallback(axis::Ref* sender);
    void delMeshCallback(axis::Ref* sender);

    void drawCameraFrustum();

protected:
    axis::Label* _labelMeshCount;
    axis::Layer* _layer3D;
    std::vector<axis::MeshRenderer*> _objects;
    CameraType _cameraType;
    axis::Camera* _cameraFirst;
    axis::Camera* _cameraThird;
    axis::MoveBy* _moveAction;
    axis::DrawNode3D* _drawAABB;
    axis::DrawNode3D* _drawFrustum;
    int _row;
};

class CameraArcBallDemo : public CameraBaseTest
{
public:
    CREATE_FUNC(CameraArcBallDemo);
    CameraArcBallDemo();
    virtual ~CameraArcBallDemo();

    virtual void onEnter() override;
    virtual void onExit() override;

    virtual void update(float dt) override;

    // overrides
    virtual std::string title() const override;

    void switchOperateCallback(axis::Ref* sender);
    void switchTargetCallback(axis::Ref* sender);
    void onTouchsMoved(const std::vector<axis::Touch*>& touchs, axis::Event* event);
    void updateCameraTransform();
    void calculateArcBall(axis::Vec3& axis,
                          float& angle,
                          float p1x,
                          float p1y,
                          float p2x,
                          float p2y);                  // calculate  rotation quaternion parameters
    float projectToSphere(float r, float x, float y);  // points on the screen project to arc ball

protected:
    axis::Layer* _layer3D;
    CameraType _cameraType;
    axis::Camera* _camera;
    axis::DrawNode3D* _drawGrid;
    axis::Quaternion _rotationQuat;  // rotation Quaternion
    float _radius;                      // arc ball radius
    float _distanceZ;
    OperateCamType _operate;  // switch rotate or zoom
    axis::Vec3 _center;    // camera look target
    int _target;              // switch camera look target
    axis::MeshRenderer* _mesh1;
    axis::MeshRenderer* _mesh2;
};

class FogTestDemo : public CameraBaseTest
{
public:
    CREATE_FUNC(FogTestDemo);
    FogTestDemo();
    virtual ~FogTestDemo();

    virtual void onEnter() override;
    virtual void onExit() override;

    virtual void update(float dt) override;

    // overrides
    virtual std::string title() const override;

    void onTouchesMoved(const std::vector<axis::Touch*>& touches, axis::Event* event);

    void switchTypeCallback(axis::Ref* sender, int type);

protected:
    CameraType _cameraType                         = CameraType::Free;
    axis::Layer* _layer3D                       = nullptr;
    axis::Camera* _camera                       = nullptr;
    axis::MeshRenderer* _mesh1                  = nullptr;
    axis::MeshRenderer* _mesh2                  = nullptr;
    axis::backend::ProgramState* _programState1 = nullptr;
    axis::backend::ProgramState* _programState2 = nullptr;

#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
    axis::EventListenerCustom* _backToForegroundListener;
#endif
};

// class CameraFrameBufferTest : public CameraBaseTest
//{
// public:
//     CREATE_FUNC(CameraFrameBufferTest);
//     CameraFrameBufferTest();
//     virtual ~CameraFrameBufferTest();
//     // overrides
//     virtual std::string title() const override;
//
//     virtual void onEnter() override;
// };

class BackgroundColorBrushTest : public CameraBaseTest
{
public:
    CREATE_FUNC(BackgroundColorBrushTest);
    BackgroundColorBrushTest();
    virtual ~BackgroundColorBrushTest();

    // overrides
    virtual std::string title() const override;
    virtual std::string subtitle() const override;

    virtual void onEnter() override;
};