mirror of
https://github.com/lhns/steam-frame-nix.git
synced 2026-10-06 08:00:23 +02:00
Pierre Kisters
af32cf72ce
With both lasers on the keyboard SteamVR forwards per poll only one laser's movement, so the pressing one may get no touchmoves and its swipe became a tap. keyboard.vr.swipe.twoHanded (default on; turns on the controller bridge): a press is attributed to the hand whose laser hit is nearest to it (within 30 px, the trigger as a tiebreak; without recent frames the first frame after the press decides, within 60 px). The path comes from runs of one source: the touch's own moves while they flow, that hand's laser hit per bridge frame once they pause for 60 ms, touchmoves again if frames pause. A touchend disagreeing with the laser during a bridge run ends at the laser. Touchmoves on the other hand's laser move the attribution. Without fresh frames: touch events only, as before. A second press during a swipe stays Steam's tap (one text field, one word at a time). The bridge sends full rate only on demand now: hub.js demand(ms) goes back through the relay (CDP binding __sfuiCtlIn) to systemui's __sfuiCtl.demand; the swipe patch asks from the press to the release. Tests: gesture-input with the two-controller recording and synthetic bridge frames (a pressing hand without touchmoves, attribution with both lasers on the keyboard, a stale bridge, frames stopping mid-swipe, re-attribution, interleaved hover and presses); hub demand.
68 lines
3.0 KiB
Nix
68 lines
3.0 KiB
Nix
# The controller bridge for VR keyboard features (internal option
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# steamFrame.keyboard.vr.controllers.enable, set by the features using it,
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# keyboard.vr.touchTyping and keyboard.vr.swipe.twoHanded): both controllers
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# relative to Steam's VR keyboard, from SteamVR's dashboard to Steam's UI.
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# - vr-keyboard-controllers/bridge-patch.js (SteamVR systemui, 8087; patch
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# "vr-keyboard-controllers"): the keyboard's pose, per hand the tip (where
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# the laser starts), the laser's hit and the trigger (geometry.js), ~90 Hz
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# while relevant or asked for (demand); CDP binding __sfuiCtlOut.
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# - vr-keyboard-controllers/relay.mjs (user service
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# vr-keyboard-controllers-relay): to Steam's SharedJSContext; demand back
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# (CDP binding __sfuiCtlIn there).
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# - vr-keyboard-controllers/hub.js: window.__sfuiControllers there (page px,
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# subscribe, demand); consumer patches take it as an extraArg.
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# Tests: vr-keyboard-controllers/check.nix (flake check
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# `vr-keyboard-controllers`).
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{ config, pkgs, lib, ... }:
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let
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cfg = config.steamFrame.keyboard.vr.controllers;
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uiLib = import ./steam-ui-patches/lib { inherit pkgs; };
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checks = import ./vr-keyboard-controllers/check.nix { inherit pkgs; };
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in {
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imports = [ ./session.nix ./steam-ui-patches.nix ];
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options.steamFrame.keyboard.vr.controllers = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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internal = true;
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description = "The controller bridge (set by the VR keyboard features that use it).";
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};
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files = lib.mkOption {
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type = lib.types.attrsOf lib.types.path;
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readOnly = true;
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internal = true;
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default = { geometry = ./vr-keyboard-controllers/geometry.js; hub = ./vr-keyboard-controllers/hub.js; };
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description = "geometry.js and hub.js, for consumer patches' extraArgs.";
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};
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};
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config = lib.mkMerge [
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{
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steamFrame.uiPatches.patches = lib.optional cfg.enable {
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name = "vr-keyboard-controllers";
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endpoint = "http://127.0.0.1:8087";
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target.title = "systemui";
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patch = pkgs.runCommand "vr-keyboard-controllers.js" { nativeBuildInputs = [ pkgs.nodejs ]; } ''
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: ${checks}
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cp ${uiLib.mkPatch {
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name = "vr-keyboard-controllers";
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src = ./vr-keyboard-controllers/bridge-patch.js;
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extraArgs = [ ./vr-keyboard-controllers/geometry.js ];
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}} $out
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node --check $out
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'';
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unpatch = ./vr-keyboard-controllers/unpatch.js;
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};
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steamFrame.session.services.${if cfg.enable then "restart" else "stop"} = [ "vr-keyboard-controllers-relay.service" ];
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}
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(lib.mkIf cfg.enable {
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systemd.user.services.vr-keyboard-controllers-relay = {
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Unit.Description = "Relay of the VR keyboard's controller frames (SteamVR dashboard -> Steam UI)";
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Service = { ExecStart = "${pkgs.nodejs}/bin/node ${./vr-keyboard-controllers/relay.mjs}"; Restart = "always"; RestartSec = 5; };
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Install.WantedBy = [ "default.target" ];
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};
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})
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];
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}
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