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

v0.1.19

• 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