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#pragma once
#ifdef __APPLE__
#define GL_SILENCE_DEPRECATION
#endif
#include "arap.h"
#include "graphics/camera.h"
#include "graphics/shader.h"
#include <QOpenGLWidget>
#include <QElapsedTimer>
#include <QTimer>
#include <memory>
struct TextureData{
GLuint textureID;
int width;
int height;
};
class GLWidget : public QOpenGLWidget
{
Q_OBJECT
public:
GLWidget(QWidget *parent = nullptr);
~GLWidget();
private:
static const int FRAMES_TO_AVERAGE = 30;
Eigen::Vector3f transformToWorldRay(int x, int y);
// Basic OpenGL Overrides
void initializeGL() override;
void paintGL() override;
void resizeGL(int w, int h) override;
// Event Listeners
void mousePressEvent (QMouseEvent *event) override;
void mouseMoveEvent (QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void wheelEvent (QWheelEvent *event) override;
void keyPressEvent (QKeyEvent *event) override;
void keyReleaseEvent (QKeyEvent *event) override;
TextureData loadTextureFromFile(const char *path);
void makeFBO();
void initFullScreenQuad();
void paintTexture(GLuint texture, bool postProcessOn);
private slots:
// Physics Tick
void tick();
private:
ARAP m_arap;
Camera m_camera;
Shader *m_defaultShader;
Shader *m_pointShader;
float m_movementScaling;
float m_vertexSelectionThreshold;
float m_vSize;
// Timing
QElapsedTimer m_deltaTimeProvider; // For measuring elapsed time
QTimer m_intervalTimer; // For triggering timed events
// Movement
int m_forward;
int m_sideways;
int m_vertical;
// Mouse handler stuff
int m_lastX;
int m_lastY;
bool m_leftCapture;
bool m_rightCapture;
SelectMode m_rightClickSelectMode;
int m_lastSelectedVertex = -1;
int m_devicePixelRatio;
GLuint m_defaultFBO;
int m_fbo_width;
int m_fbo_height;
int m_screen_width;
int m_screen_height;
GLuint m_fullscreen_vbo;
GLuint m_fullscreen_vao;
GLuint m_fbo;
GLuint m_fbo_texture;
GLuint m_fbo_renderbuffer;
GLuint m_texture0;
std::vector<GLfloat> fullscreen_quad_data =
{ // POSITIONS //
-1.f, 1.f, 0.0f,
0.f, 1.f, //uv
-1.f, -1.f, 0.0f,
0.f, 0.f, //uv
1.f, -1.f, 0.0f,
1.f, 0.f, //uv
1.f, 1.f, 0.0f,
1.f, 1.f, //uv
-1.f, 1.f, 0.0f,
0.f, 1.f, //uv
1.f, -1.f, 0.0f,
1.f, 0.f //uv
};
};
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