#include <vector>

#include <string>

#include <glm/glm.hpp>

#include <fstream>

#include <sstream>

#include <iostream>

#include <GL/glew.h>

#include <GLFW/glfw3.h>

#include <GL/freeglut.h>

#include <glm/gtc/type_ptr.hpp>

#include <glm/gtc/matrix_transform.hpp>

#ifndef WEATHER_VISUALIZER_INIT_H

#define WEATHER_VISUALIZER_INIT_H

struct Material {

std::string name;

glm::vec3 diffuse;

glm::vec3 ambient;

glm::vec3 specular;

};

struct View {

glm::mat4 view;

GLint viewUniform;

};

struct Vertex {

glm::vec3 position;

glm::vec3 originalPosition;

glm::vec2 uv;

glm::vec3 normal;

glm::vec3 color;

};

enum ParticleType {

NONE,

RAIN,

SNOW,

HAIL

};

extern std::vector<Vertex> vertices;

extern float fogStartDistance;

extern GLuint program_id;

extern ParticleType particleType;

extern unsigned long sceneSize;

extern unsigned long particleSize;

extern float temperature;

void updateTemp();

void updateFog();

std::string load(const std::string &filename);

GLFWwindow* init_glfw();

void init_glew();

View init_obj_and_shaders(std::vector<Vertex> &vertices, GLuint &vertexBuffer);

void set_snow();

void set_rain();

void set_sun();

void set_hail();

void impactSnow(float x, float z);

void displaySplash(float x, float z, int iter, int &splashIndex);

void deleteCircle3(int splashIndex);

#endif //WEATHER_VISUALIZER_INIT_H