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Controls: the keyboard bridges STAND DOWN for a live device (step 2c)

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New engine query BTRIODevicePresent() (L4CTRL.cpp, ungated -- pod-correct for
the serial RIO too): device exists AND IsOperational().  Both dev input
bridges -- the mech4.cpp mapper-attr writes and the mechmppr.cpp BT_KEY_BRIDGE
block -- now gate their WRITES on it: BT_KEY_BRIDGE unset = auto (bridge only
when no device), 0 = force off (the documented pod setting, honored), else
force on.  The BT_FORCE_THROTTLE headless harness always rides the bridge.
The mapper demand READ (turn = turnDemand) always runs.

Verified live (glass build, PAD): OS-injected LSHIFT hold slews the PadRIO
throttle 0 -> 0.33 -> 1.0 with pre==thr every frame -- the value arrives via
the ENGINE push through the streamed .CTL binding, not the bridge -- and
speedDemand=61.501 comes out of the authentic InterpretControls.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Cyd
2026-07-17 22:14:37 -05:00
co-authored by Claude Fable 5
parent ac57a474ef
commit 9f35a8034a
3 changed files with 46 additions and 2 deletions
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game/reconstructed/mechmppr.cpp
+10 -2
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@@ -612,8 +612,16 @@ void
// authoritative on the dev box. Interpretation below stays 100% authentic.
//
{
static const int s_keyBridge =
(getenv("BT_KEY_BRIDGE") == 0 || *getenv("BT_KEY_BRIDGE") != '0');
// STAND-DOWN (glass-cockpit step 2c): BT_KEY_BRIDGE unset = AUTO --
// the bridge runs only when NO live cockpit device (serial RIO /
// PadRIO) owns these attributes through the engine push; "0" =
// force off (the old pod setting, still honored), anything else =
// force on. The headless forced harness (BT_FORCE_THROTTLE)
// always rides the bridge.
extern int BTRIODevicePresent(void);
static const char *s_kbEnv = getenv("BT_KEY_BRIDGE");
int s_keyBridge = s_kbEnv ? (*s_kbEnv != '0')
: (gBTDrive.forced || !BTRIODevicePresent());
if (s_keyBridge && mech != 0 && application != 0
&& (Entity *)mech == application->GetViewpointEntity())
{