#include "v4k.h"

int main() {
    window_create(80, WINDOW_MSAA4);
    window_title(__FILE__);

    // load skybox: launch with --mie for rayleigh/mie scattering
    skybox_t sky = skybox(flag("--mie") ? 0 : "cubemaps/stardust", 0);

    // terrain model
    // model_t mdl = model("terrain_demo.obj", 0);
    model_t mdl = model("Mike.fbx", 0);

    // camera
    camera_t cam = camera();

    // scene light
    shader_bind(mdl.program);
    light_t *l = scene_spawn_light();
    light_update(1, l);
    skybox_sh_shader(&sky);

    // initialise LOD
    model_lod(&mdl, 1.0, 1.0, 1);

    // demo loop
    while (window_swap())
    {
        // input
        if( input_down(KEY_ESC) ) break;
        if( input_down(KEY_F5) ) window_reload();
        if( input_down(KEY_F11) ) window_fullscreen( window_has_fullscreen() ^ 1 );

        // fps camera
        bool active = ui_active() || ui_hover() || gizmo_active() ? false : input(MOUSE_L) || input(MOUSE_M) || input(MOUSE_R);
        if( active ) cam.speed = clampf(cam.speed + input_diff(MOUSE_W) / 10, 0.05f, 5.0f);
        vec2 mouse = scale2(vec2(input_diff(MOUSE_X), -input_diff(MOUSE_Y)), 0.2f * active);
        vec3 wasdecq = scale3(vec3(input(KEY_D)-input(KEY_A),input(KEY_E)-(input(KEY_C)||input(KEY_Q)),input(KEY_W)-input(KEY_S)), cam.speed);
        camera_moveby(&cam, wasdecq);
        camera_fps(&cam, mouse.x,mouse.y);
        window_cursor( !active );

        // draw scene
        skybox_render(&sky, cam.proj, cam.view);

        model_render(mdl, cam.proj, cam.view, mdl.pivot, 0);
    }
}