Engine v0 · Scaffold

Burn City

Melbourne open-world VR game. Real lat/lng map · Aurora engine sky · Dream Park NPCs · GameLift multiplayer. v0 scope: Greater Melbourne (~50 km radius around -37.8136°, 144.9631°). Bbox 144.5°W → 145.5°E, -38.2°S → -37.55°N.

Two clients, one backend: WebXR alpha in Quest browser (zero-install, public) and a native Unreal flagship build. Both share Prisma DB, Dream Park sim, GameLift fleets, and RiverPay.

Integration manifest

aurora-engine

apps/aurora/lib/aurora-8k.tsx

Sky / atmosphere shader — port to <Sky/> r3f layer above the map (web); reimplement as Niagara/material in Unreal

shared

planned

touros-venues

apps/touros /api/public/venues/map → apps/burn-city /api/venues/live

Live venue POIs — pulled from TourOS prisma Venue model, shaped to VenuePOI, merged with the static seed (seed wins on canonical Melbourne venues for stable IDs + curated zones). Falls back to static seed when TourOS is unreachable.

shared

wired

cartography-entities

apps/web — CartographyEntity → /api/cartography/{entities,oracle} proxies + CartographyOverlay r3f

Codex Machina nodes (Civitas/Technos/Logos/Aether/Terra) rendered as realm-tinted glowing icosahedrons in /xr at their lat/lng. Click → oracle proxy returns hexagram + Rachel commentary; reading panel auto-opens.

shared

wired

dream-park-characters

apps/web — DreamParkCharacter + CharacterSimulationEngine

Open-world NPCs — 300 walking residents on map+XR. Procedural fallback when upstream is down.

shared

stub

dream-park-orchestrator

apps/web — SimulationOrchestrator (SSE via /api/npcs/stream)

Live tick loop — burn-city pulls world-state every 1.5s and pushes via SSE to clients

shared

wired

venue-gigs

apps/burn-city/lib/gigs.ts

Weekly gig schedule — NPCs cluster around venues during gig hours by mood affinity

shared

wired

rat-city-arena

apps/web — /api/arena, /api/forge

Combat / minigame layer inside Burn City zones

shared

planned

riverpay

apps/riverpay + /api/gigs/checkout

In-game payments: gig tickets, merch, door — venue-entry interaction in /xr (GigEventOverlay) and /map opens a RiverPay deep-link with gig payload, NPP same-day settlement

shared

stub

local-game-server

apps/burn-city/server/local-server.ts (Node + ws)

Local multiplayer broker — 6 district WS rooms. Replaces GameLift while AWS is off.

shared

wired

gamelift-fleets

AWS GameLift (shelved 2026-04-28)

Future: GameLift fleet broker. Currently bypassed in favour of local server.

shared

planned

maplibre-osm

MapLibre GL JS + OSM tiles

Real Melbourne basemap (web client) — free OSM tiles, streets + building footprints

webxr

wired

osm-buildings-3d

apps/burn-city/app/api/buildings — Overpass API + disk cache

3805 extruded CBD building footprints with height tags. Cached to data/.

webxr

wired

facade-atlas

apps/burn-city/lib/facade-atlas.ts + lib/building-shader-atlas.ts

6-cell baked facade super-atlas (Glass / Apartment / Brick / Concrete / Heritage / Industrial). Buildings hashed deterministically into cells; merged per cell → 6 PBR draw calls instead of 3805. Replaces procedural window-grid shader. (Pattern Network Engine vs. Procedural Crisis — Atlas Strike, KO 2026-04-30.)

webxr

wired

avatar-style

apps/burn-city/lib/avatar-style.ts + lib/aurora-ring-shader.ts

NPC tri-zone palette (skin/hair/shirt/pants) deterministic per id, plus 8-petal Aurora ring at feet (mood-coloured, pulses with walk cadence). Replaces mono-mood capsule. Per-NPC height/girth scale variation. (Aurora 8K Engine vs. Avatar Crisis — 8D Strike, KO 2026-04-30.)

webxr

wired

osm-streetscape

apps/burn-city/app/api/streetscape — Overpass API + disk cache

3199 roads (extruded ribbons) + 5368 trees (instanced cone+trunk). Cached.

webxr

wired

vehicles

apps/burn-city/lib/road-mesh.ts — sampleAlongPolyline + Vehicles instancedMesh

24 procedural cars driving along primary/secondary/tertiary/residential roads

webxr

wired