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#pragma once
#include "skybox.h"
#include "particlesystem.h"
#include <GL/glew.h>
#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 paintTexture(GLuint texture, bool filtered);
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;
void makeFBO();
void makeFBO1();
void initCaustics();
void paintCaustics();
TextureData loadTextureFromFile(const char *path);
private slots:
// Physics Tick
void tick();
private:
ARAP m_arap;
Camera m_camera;
Shader *m_defaultShader;
Shader *m_pointShader;
Shader *m_texture_shader;
Shader *m_causticsShader;
Shader *m_colorShader;
Shader *m_foamShader;
Shader *m_skyboxShader;
Shader *m_particleShader;
GLuint m_fullscreen_vbo;
GLuint m_fullscreen_vao;
QImage m_ground_image;
GLuint m_ground_texture;
int m_fbo_width;
int m_fbo_height;
float m_devicePixelRatio;
GLuint m_fbo;
GLuint m_fbo_texture;
GLuint m_fbo_renderbuffer;
GLuint m_fbo1;
GLuint m_fbo_texture1;
GLuint m_fbo_renderbuffer1;
GLuint m_defaultFBO;
GLuint m_floor_vbo;
GLuint m_floor_vao;
float m_movementScaling;
float m_vertexSelectionThreshold;
float m_vSize;
// FOAM
GLuint m_halftone_tex;
GLuint m_foam_tex;
// 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;
skybox m_skybox;
particlesystem m_particles;
};
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