catcrafts.net/implementations/main.cpp

/*
catcrafts.net
Copyright (C) 2026 Catcrafts

The source code of this website is made available for viewing purposes only.
No permission is granted to copy, modify, distribute, or create derivative works.
*/

import Catcrafts;
import Crafter.Graphics;
import std;
using namespace Catcrafts;
using namespace Crafter;

int main() {
    Device::Initialize();
    // Window in CRAFTER_GRAPHICS_WINDOW_DOM mode is a page-level event hub
    // plus the rAF driver; even without subscribing to its events we need
    // it so StartSync() can keep the wasm module alive past main() (the
    // bridge stashes a raw pointer, so the storage has to outlive main).
    // The dimensions are a hint only — the JS bridge sizes the render
    // surface to the canvas (full viewport, or the mount element).
    static Window window(1280, 720, "Catcrafts");

    // document.title is only reachable through Window::SetTitle, so give the
    // router a way to set a per-route title without threading a Window
    // through every render call.
    SetActiveWindow(&window);

    // Build the ray-tracing pipeline + scene now (runs StartInit/FinishInit).
    // The render canvas starts hidden; it only traces once the /demo route
    // mounts it into #webgpu-demo (see Catcrafts:Demo).
    SetupDemo(window);

    InitializePage();

    // Back/forward. The Router V1 callback carries no payload, so the route is
    // re-read from window.location — which is the right thing regardless,
    // since the location is the single source of truth for what should be on
    // screen.
    Router::AddPopStateListener([]{ RenderCurrentRoute(); });

    RenderCurrentRoute();

    window.Render();
    window.StartUpdate();
    // StartSync rather than StayAlive: /demo drives the ray tracer from the
    // animation-frame loop, so the loop has to exist before that route is
    // visited. A build of this site without the demo could call StayAlive
    // instead and skip the permanent rAF tick entirely.
    window.StartSync();
    return 0;
}