stafford williams

spacetraders-v1: System monitor machine, last profit per ship, ship state fixes

Mon, 17 May 2021 00:00:00 GMT

Background monitoring moved into its own machine, along with a batch of fixes for stale ship state.

Added

Last trade profit tracked per ship

Changed

Background system monitor machine
Cached vs fresh requests shown in ship log
Old trade component removed

Fixed

Completed flight plans not expiring
Stale ship locations
Ships with no flight plan or location
Trade route and buy/upgrade edge cases

spacetraders-v1: Fuel-aware trade routes, trade routes table, player machine tests

Sun, 16 May 2021 00:00:00 GMT

Trade route selection became fuel-aware, and the rest of the week went into refactoring for testability.

Added

Player machine tests
Trade routes table with profitability and ship assignments
Flight time in CSV exports

Changed

Buy-and-upgrade flow extracted to its own machine
Data modules split by concern
Global state removed for testability
Database and request logic extracted to modules
Empty trade routes deleted automatically
Route profit accounts for fuel cost and availability
Trade records include quantity and ship type

Fixed

Closest location selection in route ranking

spacetraders-v1: Per-ship request log, manual cargo sales, focused trade route

Sun, 09 May 2021 00:00:00 GMT

More visibility and manual control over individual ships, with a per-ship request log and direct cargo sales.

Added

Sell cargo manually from the ship view
Debug option to focus ships on a single trade route
Per-ship API request log

Changed

Avatar-style good icons
Ships wait when they can't afford fuel
Animated chart updates
Locations read from localStorage instead of player context

Fixed

Goto not switching back to trading
Stale ship data not cleaned up
Ship spawning after purchase
Trades not marked complete when cargo sold
Ships stuck after failed fuel purchases

spacetraders-v1: Goto strategy, leaderboard, saved trade route data

Sun, 02 May 2021 00:00:00 GMT

Ships could now be sent anywhere on demand, and intel gained a leaderboard alongside saved trade data for analysis.

Added

Leaderboard in the intel section
Saved trade route data with filterable tab
Goto strategy to send ships to a chosen location
Location picker dialog

Changed

Ship data cached in localStorage
Distinct colours for chart series

Fixed

Context assignment in the goto flow

spacetraders-v1: Structures view, multi-hop trade routes, trade machine cleanup

Sun, 25 Apr 2021 00:00:00 GMT

A quieter week that fed pathfinding into trade route selection and simplified the trade machine.

Added

Toggle debug mode without restarting
Available structures view
API error count display

Changed

Flight handling fully delegated to travel machine
Locations kept in memory for performance
Better error logging in ship machines
Upgrading ships fly to a shipyard first
Improved markets display
Trade routes consider multi-hop paths
Max cargo per trade raised to 500
Central localStorage key module

Fixed

Ships mid-route when the app restarts
Trade completion detection
Fuel state after creating flight plans
Null checks, routing and initialisation issues

spacetraders-v1: Market price charts, A* pathfinding, warp jumps between systems

Sun, 18 Apr 2021 00:00:00 GMT

Navigation was the theme, with graph-based pathfinding and warp jumps letting ships route across systems, plus market charts for spotting price trends.

Added

Warp jumps for inter-system travel
Probe target location shown in UI
A* pathfinding for multi-hop routes
Change strategy from the ship screen
Trade route ranking
Ships revert to trading after other tasks
Rate limit indicator
Market price history charts
Quick strategy change buttons
Intel users tab with player detail

Changed

Pathfinding handles multiple systems, with extensive tests
Fuel calculations include warp costs
Ships halt cleanly when out of fuel
Better ship filtering and strategy view
Ship cards show icons and current strategy
Strategy selection uses a select instead of toggle
Credits stored in localStorage
"Workers" renamed to "Drones"

Fixed

A crash bug
Upgrade machine purchasing and location issues
Rate limit handling
Ships with no fuel
App crashing on unexpected API data when spawning ships

spacetraders-v1: Auto-buy and auto-upgrade ships, rate limit retries, trade analytics

Sun, 11 Apr 2021 00:00:00 GMT

Fleet management got automated with configurable ship buying and upgrading, alongside a round of stability work on rate limits and trading edge cases.

Added

Best and current trade route analytics
Icons for every tradeable good
Ship scrapping
Full upgrade flow that sells, scraps and rebuys ships
Ship links in the trades table
Auto-upgrade rules between ship types
Configurable auto-buy threshold and ship type
Retry with backoff on rate-limited requests

Changed

Map and locations merged into one tabbed view
Upgrades run in a dedicated state machine
Ships, trades and automation components reorganised
Ships sell leftover cargo before new routes
Probes visit nearest locations first
Fleet cap raised to 70–80 ships
Machines wait after errors instead of spinning
Flight plans persisted across sessions

Fixed

Ships wrongly selling their fuel
Map location names
Fuel needs miscalculated for journeys
Buy and sell edge cases
Cargo and ship info display issues
Routing redirects
Reset not clearing all database tables
Strategy switches mid-operation

spacetraders-v1: Ship strategies, probe scouting, intel on other players, route optimiser

Sun, 04 Apr 2021 00:00:00 GMT

Ships gained configurable strategies, including a probe that scouts markets, while trading moved to a route optimiser and intel started tracking other players.

Added

Best trade route chosen across all destinations
Runtime-toggleable debug logging for ship machines
Probe strategy scouting stale locations
Per-player activity in intel view
Probes status view
Automatic pruning of old trade records
Ship names assigned on purchase
Location scouting history
Switching ship strategy at runtime
Intel view of other players' flight plans
Cost and profit columns in trades
Per-ship trade or halt strategies
Buy/sell spread in markets view

Changed

Shared travel and ship init machines
Reusable travel-to-location machine
Indexed database tables and faster trade table
Responsive layout on small screens
Ship state renamed from idle to ready
Strategy UI split into toggle and per-ship controls
API responses cached with TTLs to avoid rate limits
Less flicker from delayed updates
Ship machines split per strategy
Ship purchase threshold set to 100,000 credits

Fixed

Ships buying more fuel than needed
Probes when every location was recently scouted
Market price comparison picking poor routes
Ships trying to buy untradeable research goods
Failed ship purchases
Trades table on small screens

spacetraders-v1: Multi-ship actors, IndexedDB trade history, dark mode, system map

Sun, 28 Mar 2021 00:00:00 GMT

Ships became independent actors so the fleet could grow on its own, and trades started being kept in IndexedDB behind new routed views, a map and dark mode.

Added

Visual star system map with clickable locations
System selector for the map
Dark mode with persisted theme
Markets, available ships and settings views
Trade filtering by good, ship or location
IndexedDB persistence of trades and API errors
Routed views for ships, trades, markets and errors
Trades table with profit per trade
Toolbar with credits, net worth and ship count
Automatic purchase of extra ships
Net worth calculation with asset and debt breakdown

Changed

Shared data table across list views
Removed unused Pixi.js map
Icon tooltips and default route
Buy and sell quantity limit raised to 1000
Fleet capped at 20 ships
Ships in error states highlighted
Failed purchases recover by refetching market data
Ships spawned as independent XState actors
UI polish across ship, cargo and flight plan views

Fixed

Volume shown with cubic metre symbol
Market lookups for ships in flight
Null entries in location cache

spacetraders-v1: Move to XState, automated onboarding, ship trading loop

Sun, 21 Mar 2021 00:00:00 GMT

The week replaced Redux with XState state machines, then used them to automate onboarding and build a full buy, fly and sell trading loop.

Added

Automated trading loop choosing cargo by profit
Flight plan progress indicator with time remaining
Locations view with market data
Cargo hold display
Ship machine that buys fuel automatically
Automatic startup loan and cheapest ship purchase
Formatted credits display
Player machine caching credentials in localStorage
Polling API machine with retry timer
New account creation with confirm dialog
Fetch user credits, ships and loans
Buying and selling cargo
Flight plans for travel between locations

Changed

Market data cached to localStorage
Tests for ship machine and cargo selection
Player initialisation steps through loan, ship and market checks
Refresh button only shown when ready
State machines moved into a machines folder
State management switched from Redux to XState
Richer location model

Fixed

New player button after the XState move
Deprecated XState transient transitions

spacetraders-v1: React client kickoff, Redux API middleware, loans and ships

Sun, 14 Mar 2021 00:00:00 GMT

The SpaceTraders web client got started, with Redux state, typed API calls and continuous deploys to Netlify.

Added

Browser-based React client for the SpaceTraders API
Netlify deploys via GitHub Actions
Redux middleware for async API calls with tests
Create player with random name generator
Fetch and request loans, list owned ships
Credits and loans status display
GitHub fork ribbon