abstreet/docs/CHANGELOG.md

CHANGELOG

Every time I upload a new binary release, I'll list major changes here.

0.1.0

• First binary release

0.1.1

• drawing arrows better
• start with a splash screen, make it easy to change maps in-game

0.1.2

• totally revamp GUI by organizing everything into distinct gameplay modes

0.1.3

• new warp tool that autocompletes street names
• hideable menus, place context menus better, remove top menu bar, add a simple OSD
• loading screens reflect what's printed to the terminal
• depict pedestrians and bikes with more detail
• tool to scroll through an agent's route
• make simulation speed controls actually work

0.1.4

• improve stop sign editor UI (toggle entire roads)
• better mouseover / selection rendering
• better traffic signal rendering (show time left, use outlines for yields)
• make cars actually stop and briefly wait at stop signs
• improve edit mode diff visualization (cross-hatching)
• render actual stop signs, not just red lines
• fix intersection policies confused by conflicting straight turns with lane-changing
• fix mac scrolling
• better turn indicators
• nicer unzoomed view of roads, with different colors for big/small roads

0.1.5

(release file size jumped from ~15MB to ~70MB because of new PSRC trips)

• improve UX of intersection editors
• define a better set of maps included by default
• improve drawing speed by batching more stuff
• better default traffic signal policies for many cases
• import and visualize census data
• fix missing sidewalks on downtown one-ways
• import and visualize PSRC trip data

0.1.6

• slider widget for controlling time and speed
• fixing bad polyline geometry in most cases; visualizing routes should no longer be buggy
• handle PSRC trips that begin or end out-of-bounds
• draw agents in unzoomed mode in a way simpler way
• improve edit mode: detect reverts to original, easier lane type switching
• lots of fixes for buses: handle edits better, read sequence of stops correctly from GTFS
• set up A/B tests faster

0.1.7

• bulk and revert tools in edit mode
• improve turns and default intersection policies when bike/bus lanes involved
• new tool to manually hint for short roads and weird intersections. some problems have now been manually fixed
• scoreboard of trip results for sandbox and A/B test mode
• reduce lag when sim is running at full speeds, but system is too slow
• switch to easbar's contraction hierarchy crate, making all pathfinding INSANELY fast
• remove weird rules about the world freezing when traffic signals are in "overtime"

0.1.8

• edit mode: convert to a ped scramble cycle, simplify stop sign editor by removing individual turns
• ui: put labels next to sliders, organize modal menus into sections, add a minimize/maximize icon
• A/B test mode: savestate, include time controls and agent following/route tools here
• use more OSM data for turn lanes, turn restrictions from lanes, turn restrictions between entire roads
• dont attempt to cross a traffic signal if there's absolutely no hope
• improve bus route UI tools and make routes using transit more sane
• user-defined shortcuts for jumping between views of a map

0.1.9

• sliders to pick times in wizards
• fix hidpi scaling
• traffic signal diagram scrolls properly
• easier to instantiate a scenario, show all trips involving a building for a scenario
• colorschemes to show trip duration or time blocked
• label buses with route number
• represent overlapping pedestrians as a labeled crowd
• massive performance boost via real priority queue
• prevent cars from "blocking the box"
• prevent all? aborted trips (due to parking blackholes mostly)
• smarter roam-around-for-parking router

0.1.10

• sim
  • parking in off-street garages and on-street lanes on the off-side of oneways now mostly works
  • detect and handle parking blackholes; cars should never get stuck looking for parking now
  • let lower-priority turns happen at traffic signals when higher-priority ones blocked
  • get closer to FCFS ordering at stop signs
  • basic opportunistic lane-changing
  • a bus should be seeded for every route now
• demand data
  • show trips to/from buildings and borders
  • make PSRC trips seed and attempt to use parked cars
• UI
  • different heatmap overlays, like parking availability and busiest areas
  • show colorscheme legends when relevant
  • interactively seed parked cars, spawn more types of trips
  • fix major A/B test mode bug (mismatched scenarios and map edits)
  • adjusting sliders, menu placement, dynamic items
  • consolidating different tools into a single info panel for objects
  • bus route explorer shows entire route, current bus location
• map quality
  • degenerate intersections only have one crosswalk now
  • revamped the map editor for fixing geometry problems, used it in many places
  • nicer yellow center lines (dashed when appropriate)
  • handling OSM turn restriction relations properly
  • fix empty traffic signal phases
  • handling bike lanes on certain sides of the road
  • starting to upstream manually-verified parking lanes into OSM
• new gameplay: reverse direction of lanes

0.1.11

• small UI fixes: fixed width traffic signal diagram, skip info phase of menus when empty
• start drawing (but not using) shared left-turn lanes from OSM
• fix OSM polylines with redundant points (fixing an issue in ballard)
• improved traffic signal policies in some cases
• started upstreaming some sidewalk tags in OSM to fix inference issues
• fixed misclassified right turns
• adjusting map colors
• handling lakes/ocean polygons from OSM way better
• reorganized sim analytics, added stuff for bus arrivals
• adding new internal road points to map editor. almost ready to really aggressively use it
• skipping parking lanes with no nearby sidewalks, since they're unusable
• fix z-order of bridges/tunnels in unzoomed view
• allow unzooming indefinitely
• move lots of sandbox mode controls (and other modes) to menus under buttons and dedicated buttons
• basic support for marking a lane closed for construction
• improved geometry of sidewalks at dead-ends

0.1.12

• reorganize everything as different challenge modes. start implementing 3: optimizing a bus route, speeding up all trips, or causing as much gridlock as possible
• improved bus route explorer
• some UI fixes (popup messages in a few places, moving mouse tooltips to the OSD)
• lots of analytics and time-series plots

0.1.13

• analytics: prebake baseline results properly. hover over plot series. some new modes to see bus network, throughput of a road/intersection over time
• log scale for the speed slider
• add a bulk spawner in freeform mode (F2 on a lane)
• rendering: nicer routes, crosswalks, zoomed car colors
• map data: better stop sign and sidewalk heuristics
• fixed the mac hidpi text rendering issue once and for all?!

0.1.14

• better crosswalk generation when there's only a sidewalk on one side of a road
• edit mode UI revamp: paintbrush-style buttons to apply changes to lanes
• show error messages and prevent edits, like disconnecting sidewalks
• properly ban bikes from highways (revamped rules for vehicles using a lane)
• new freeform mode tool to spawn bikes
• WIP (not working yet): make bikes prefer bike lanes. some debug heatmaps for path cost
• edit mode has proper undo support

0.1.15

• minor bugfixes with reverting lane types, preserving stop signs
• incorporate edits into the challenge splash screen, make sure edits are reset when appropriate
• starting a new challenge mode, just focused on traffic signals
• can't leave traffic signal editor with missing turns
• render pedestrian crowds on building front paths
• traffic signals support an offset parameter
• traffic signal visualization and editing revamped to group related turns together
• can preview traffic using a signal from the editor
• actually apply priority at intersections, so protected turns get first dibs over yield turns

0.1.16

• fix Mac crashing with texture limit bug by switching to texture arrays
• fix crashing simulation when a border intersection was used
• started to implement a new UI design for starting the game

0.1.17

• more work on the pre-game UI, with some flexbox layouting
• prototype a minimap in sandbox mode. doesn't pan or scroll yet.
• prototype a new speed/time control panel from the mockup
• nicer time warp loading screen
• record and show detailed trip timeline, including time to park

0.1.18

• map data: infer more building addresses
• some analytics on how long people spend parking and intersection delay over time
• create an options panel, allowing runtime customization of color scheme, traffic signal rendering, etc
• internal changes to map building pipeline to make it much easier for new devs to onboard
• organizing challenges into sub-stages, starting to flesh out specifics for the fix traffic signal track
• much more realistic pedestrian pathfinding
• fix minimap on mac (dpi issues)
• visual tweaks to cars to make front/back easier to distinguish
• internal change to switch most assets from PNG to SVG

0.1.19

• some challenge modes show a histogram for counting faster/slower trips
• new visualization of current demand per direction at a traffic signal
• implementing some of Yuwen's UI changes: agent counter, split time/speed panel, moved functionality out of the old drop-down menus into a bottom-left tool panel, hiding debug functionality
• replaced right-click context menus with left click to open info panels
• fixed random issues reported by people from HN

0.1.20

• moved some UI functionality around, pulling graphs into info panel
• interactive legend for the minimap, toggle visibility of different agents
• nicer colors and shapes for cars
• misc simulation bugfixes that might help huge_seattle
• pedestrians choose to use transit more realistically, factoring in time for the bus to drive

0.1.21

• switch some analytics dashboards to use buttons, not old non-scrolling menus
• scrollbars... at least a start
• preview traffic signal changes from live sim as the base
• traffic signal preview has normal time/speed controls
• traffic signal editor has undo support
• minimap has buttons to pan

0.1.22

• minimap zoom controls
• traffic signal rendering overhaul
• heatmap colors improved, heatmap appears on minimap
• bus info panel, a start to live delay analytics

0.1.23

• UI revamps: speed panel, minimap controls, heatmap chooser
• bus timeline
• hide internal IDs normally
• limit map zoom
• fix bugs with crosswalks conflicting with vehicle turns

0.1.24

• overhaul traffic signal editor UI, and add redo support
• update main edit mode UI, and add redo support
• limit max unzoom
• fix the infamous HiDPI bug once and for all; minimaps should work everywhere
• almost bug-free support for floating, horizontally and vertically scrolling panels
• overhaul top-center panel, rename scenarios to be less confusing
• expose bus analytics outside of challenge mode
• live info panel can exist during a running simulation
• consolidated agent route/trip information into info panel

0.1.25

• overhauled the tutorial
• tuned top-center panel for sandbox and challenge modes
• make bike and bus lanes more obvious
• show map edits as an overlay anywhere
• tune info panel contents, and show relationships between parked cars and buildings
• fixes to traffic signal editor, like making all-walk conversion idempotent
• nicer throughput and delay plots (sliding windows, grid lines)

0.1.26

• tutorial improved in a few places
• map data: thinner sidewalks, associate buildings with named amenities
• traffic model: vehicles can spawn on all lanes from a border
• much better gameplay speed (previously was too fast)
• UI tuning: lane editor, minimap, signal editor, heatmap legends don't overwrite minimap
• traffic signal challenge communicates score more clearly

0.1.27

• edit mode revamped: click to edit stuff. no more lane paintbrushes. autosaving and save as.
• tutorial: can quit and resume tutorial now
• challenge picking flow simplified
• UI: layouting fixes to full-screen / into stuff, popup menus go beneath buttons, plots improved
• internal change to render all text using vector graphics. other than a few text layouting issues, shouldn't be noticeable, except now tooltips in plots don't get covered up
• misc perf improvements (cache SVGs, drawing many circles for unzoomed agents, dont reload prebaked data)
• upgraded winit, glutin, glium -- hopefully no new bugs introduced on any platforms

0.1.27a

• patch to fix a crash with empty text dimensions on things like building info panels

0.1.28

• all info panels revamped
• some tutorial stages are much more clear, with an updating goal
• traffic signal scorecard generalized to work for some tutorial too
• adjust how selected agents look
• X button on popup menus

0.1.29

• new tool to convert between stop signs and traffic signals
• lane editor easier to edit multiple lanes
• info panels: IDs, mostly avoid horizontal scrolling, better info about trips to/from somewhere, move buttons up
• traffic signal editor UI overhaul
• different data in top-right agent meters panel
• tooltips to communicate keybindings better
• new jump-to-time panel, showing when rush hours occur
• speed controls use more useful speeds
• include ongoing trips in measured trip times
• jump to next challenge after completing one
• lots of tutorial tweaks

0.1.30

• show additional info about traffic patterns and buggy maps
• revamp tutorial UI to group tasks and messages better
• handle different mode transitions when info panel open on an agent
• select entire roads in unzoomed edit mode
• show total time an agent has spent moving / blocked
• use 2-phase traffic signals by default, making the 23rd map successfully complete!
• jump-to-time now optionally points out traffic jams forming
• challenge splash screen improved

0.1.31

• overhauled trip timeline in agent info panels
• overhauled traffic signal details panel and the per-lane turn explorer
• settings page: show all options at once. add way to scale up text/UI elements for high-DPI displays, and an alternate pan/zoom control scheme
• traffic signal edits can now be exported and used in any slice of Seattle. will be using this to hand-map many of them.
• many small tutorial fixes

0.1.32

• some UI work on giving focus to textboxes, improving dropdown menus
• road/intersection plots display baseline sim data too
• start associating people with multiple trips, exposing this a little in the UI
• bring back elevation data, introduce a new overlay. the elevation data is still really bad.

0.1.33

• new "population" overlay, showing people (not just current trips). heatmap and dot map to visualize.
• improved the "delay" overlay to handle roads and intersections
• removed the confusing and useless alternate color schemes for agents
• initial left-hand driving side, tested in Perth, also drawing more arrows for all one-way roads
• loads of internal GUI code refactorings, preparing for a standalone release of the library
• fixed z-buffering and alpha values for web backend

0.1.34

• info panels have been totally overhauled again. multiple tabs, way more clear representation of agents, trips, and people.
• draw people inside of a building
• applied consistent typography everywhere
• lots of internal refactoring

0.1.35

• more info panel work, particularly for trips and buses. change plot settings live.
• prototype of a SEIR pandemic model based on time spent in shared spaces, by orestis
• slight heatmap improvements, more coming
• more typography changes
• mouse cursor now changes for buttons and dragging!
• overhaul minimap controls, make layers behavior zoomed in a little better
• new speed panel and jump-to-time modal

0.1.36

• overhauled simulation data page, with a table to find slow trips and some initial summary visualizations
• plots can change windowing and show/hide series
• layers: fade map to contrast more, better scales/legends
• show relative trip times in info panels
• tools to rewind/ffw to watch particular trips
• refocusing efforts on challenge modes; level 1 of a new one is pretty much ready
• some simulation fixes around parking and a corner case of cars temporarily forming a cycle
• orestis improved the population/pandemic heatmaps

0.1.37

• optimize commute challenge: high score, live sentiment, second stage
• parked cars are owned by people, not buildings
• info panel improvements for trips
• bike layer suggests places where bike lanes could be helpful
• many improvements to scatter plot
• a new histogram-ish thing for understanding faster/slower trips
• handling scenarios longer than 24 hours better (for pandemic model)
• prototype of commute visualization, grouping buildings by blocks
• sim bugfixes: crosswalk / vehicle turn conflicts, start bikes in bike lanes from borders

0.1.38

• major internal changes to ensure people's schedules don't have impossible gaps, to associate fixed bikes/cars to a eprson, handle delayed starts to trips
• parking changes: show path to closest free spot, utilization of a lane over time, every building includes at least 1 offstreet spot by default
• progress on removing unrealistic gridlock: detect turn conflict cycles and temporarily allow conflicts, trim last steps of a laggy head
• internal sim alert system. speeds up debugging, could be used for player-facing "traffic jam!" alerts

0.1.39

• switched to proper OSM-based maps; no more brittle, manual geometry fixes
• more sorting and filtering options in trip table and parking overhead tables
• improve offstreet parking rendering. park closer to destination buildings
• easier process for importing new cities. introducing Los Angeles, Austin, Barranquilla.
• new data updater tool so people can opt-in to new cities
• many internal fixes to prevent gridlock. smarter cycle detection, manual OSM fixes and traffic signal timings

0.1.40

• differential throughput layer to understand routing diversions
• map edits now reference longer-lasting OSM IDs, can work cross-map
• basemap updates: new areas for west seattle, mt baker, lots of upstreamed fixes in OSM and traffic signals, smarter border matching
• parking: optionally filter on/off-street spots in the layer, allow disconnecting spots via edits
• render some tunnels with lower opacity
• new feature to change speed limits and bulk road selection tools
• first write-up of a real use case (closing lake wash through arboretum)
• make the traffic signal challenge act like a game, with a failure/win state and scoring

0.1.40a

• added a mode to map parking

0.1.41

• new parking mapper tool
• include a one-shot .osm importer in the release
• new layer to find different types of amenities / businesses
• adjust traffic signal rendering style
• bulk lane editor for changing speed limits and lane types
• including west seattle and udistrict maps
• include some OSM buildings that were being skipped
• dont pause after opening something from sandbox mode
• adjust turn signals for lane-changing cars
• lots of fixes for monitors with different DPIs, enabled by default

0.1.42

• many misc UI bugfixes, especially for high-DPI screens
• managing turns across multiple nearby intersections: tool to visualize, handling multi-way OSM turn restrictions, using this to ban illegal movements at the pathfinding layer, starting a traffic signal editor variant to edit these
• rendering improvements: unzoomed agent size, visualizing routes on trip table, transparent roads beneath bridges, draw harbor island
• overhauled street/address finder
• parking mapper: shortcut to open bing