Engine.cu

#include <SDL2/SDL.h>
#include <iostream>
#include "viewport.h"
#include "user.h"
#include "world.h"
#include <vector>
#include "skybox.h"

const int FPS = 300;
const int FRAME_DELAY = 1000 / FPS;

int main(int argc, char* argv[]) {
    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
        std::cerr << "SDL could not initialize! SDL_Error: " << SDL_GetError() << std::endl;
        return -1;
    }
    const char* filename = "Skybox.exr";
    const char* meshname = "Dog.stl";
    Skybox* skybox = new Skybox(filename);

    Viewport screen = Viewport(1000,1000,"Engine");
    
    Object Cuboid = makeCuboid(Vec3(1,1,1),Quaternion(Vec3(13,18,18)));
    Object Cuboid2 = makeCuboid(Vec3(3,3,3),Quaternion(Vec3(5,0,3)), Material(Vec3(0,0,0),0.5,0,0.15,Vec3(0.77, 0.78, 0.78)));
    Object Cuboid3 = makeCuboid(Vec3(3,8,3),Quaternion(Vec3(0,0,5)), Material(Vec3(0.9,0.9,0.9),1,0,0.00,Vec3(0.2, 0.15, 0.78)));
    Object BasePlate = makeCuboid(Vec3(25,1,25),Quaternion(Vec3(0,1,0)), Material(Vec3(0,0,0),1,0,0.00,Vec3(0.4, 0.4, 0.4)));
    Object Mesh = makeMesh(meshname,Quaternion(Vec3(0,1.95,0),Vec3(0,0,1),Vec3(-1,0,0),Vec3(0,-1,0)), Vec3(1,1,1),Material(Vec3(0,0,0),1,0,0.00,Vec3(0.3, 0.1, 0.2)));
    PointLight light1 = PointLight(Vec3(3,4,0));
    PointLight light2 = PointLight(Vec3(1,1,0));
    PointLight light3 = PointLight(Vec3(3,3,5));

    World world = World(std::vector<Object> {BasePlate,Mesh}, std::vector<PointLight> {light1}, *skybox);

    Camera* cam = new Camera(&world, Quaternion(Vec3(1,1.8,1),Vec3(0,1,0),Vec3(0,0,1),Vec3(1,0,0)),1000,1000,2, M_PI/4);
    User user = User(*cam, screen);

    bool quit = false;
    SDL_Event e;

    screen.ClearScreen();
    screen.Update();


    Uint32 frameStart = 0;
    
    while (!quit) {

        user.ProcessMovement();
        while (SDL_PollEvent(&e) != 0) {
            if (e.type == SDL_QUIT) {
                quit = true;
            }
            else if (e.type == SDL_WINDOWEVENT && e.window.event == SDL_WINDOWEVENT_RESIZED) {
                screen.Resize(e.window.data1,e.window.data2);
            }
        }
        Uint32 TimePassed = SDL_GetTicks() - frameStart;
        if (TimePassed >= FRAME_DELAY) {
            user.raytrace();
            
            frameStart = SDL_GetTicks();
        }
    }

    screen.Quit();
    cam = nullptr;
    skybox = nullptr;
    return 0;
}