arcattackandClaude Opus 5
f3bdb3b85a
Both classes' Receiver::MessageHandlerSet were default-constructed blackholes (input-path audit systemic cause #1): entryCount 0, no parent chain, Find() returns NullHandler for every id, Receive drops silently. The new unhandled- message trace printed it on the first press: [btntest] PRESS 0x14 at poll 400 [msg] UNHANDLED: Searchlight has no handler for message id 3 Each class now has a GetMessageHandlers() function-local static chained to PowerWatcher's (which name-resolves through HeatWatcher/MechSubsystem to Receiver's empty ROOT set, so id 3 does NOT collide with HeatSink's ToggleCooling), plus a correctly-typed forwarder -- Receiver::Handler is void(const Message*) while the decomp shape is Logical(Message&), so a cast would be UB that merely happens to work on x86 __thiscall. DefaultData re-pointed off the dead empty sets. MessageArg now reads the NAMED ReceiverDataMessageOf<int>::dataContents with a static_assert locking it to the binary's message+0xC (was a raw offset read -- databinding rule). ROOT CAUSE of a long-standing misattribution: @004b860c is **ThermalSight's** ToggleLamp (table @0x51120C), NOT Searchlight's. The two TUs emit parallel shared-data blocks with identical stride (msg entry, +0x5C attrs, +0x84 Performance triple); what pins each entry to its TU is that "ToggleLamp" is NOT pooled across them -- two copies exist, each emitted immediately before its own class-name string ("Searchlight"@0x51144B, "ThermalSight"@0x511475). [T1: reference/decomp/section_dump.txt:69661-69711] Searchlight's own handler is @004b838c, which sits in a Ghidra EXPORT GAP (#60). RECOVERED by raw disassembly of content/BTL4OPT.EXE (scratchpad/dis838c.py, the EjectAmmo technique) -- and it corrected two things I had inferred wrong: * NO ControlsAllowLights/+0x25C novice gate. Searchlight tests the press alone; that lock is ThermalSight-only. A NOVICE pilot CAN work the lamp. * `or word ptr [this+0x18],1` sits AT the jle target -> the graphics-dirty bit (updateModel == ForceUpdate(), per #59) is raised UNCONDITIONALLY. Consequence: the "ORIGINAL 1995 LATENT BUG -- the searchlight can never light" claim is RETRACTED. It compared Searchlight's Performance (@004b841c, reads requestedOn@0x1E0) against ThermalSight's toggle (0x1DC) -- two different classes -- and so invented a missing 0x1DC->0x1E0 bridge. Every sibling toggles the field its own Performance reads. The searchlight DID light in the arcade, the searchlight->fog swap was NOT inert there, and building PullFogRenderable is FAITHFUL rather than a designer-intent deviation (the 2026-07-13 "left as-is" decision is void; the sim needs no repair). Verified live, real click seam (BT_BTNTEST): 0x14 -> [light] requested ON -> reported lightState 0 -> 1 (lamp lights) 0x12 -> [light] thermal sight requested ON -> thermalActive 0 -> 1 UNHANDLED lines for both classes gone; 40 LNK2019 unchanged (the pre-existing CreateStreamedSubsystem + Entity__SharedData::DefaultData families only). Swept the misattribution out of searchlight.cpp/.hpp, thermalsight.cpp/.hpp, hud.cpp:282 (it had claimed @00511180/@004b838c as HUD's), btplayer.cpp's +0x25C consumer list, context/{decomp-reference,subsystems,rendering,open-questions, pod-hardware,experience-levels}.md, docs/{GLASS_COCKPIT,INPUT_PATH_AUDIT}.md. checkctx.py CLEAN. Still open (documented, not fixed): ThermalSight has no visible IR effect (ToggleGlobalThermalVision is a marked no-op, pvision unported, IsLocallyViewed returns False); ThermalSight publishes "LightState"->0x1D8 where the binary has "LightOn"->0x1D8 and "LightState"->0x1E0; Searchlight's commandedOn@0x1DC has no identified role and measured 21 live, hinting our SubsystemResource +0x28 differs from the binary's. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
87 lines
3.0 KiB
Python
87 lines
3.0 KiB
Python
"""Verify the Searchlight handler-set fix (Gitea #61, input-path audit cause #1).
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Searchlight's MessageHandlerSet was DEFAULT-CONSTRUCTED (entryCount 0, no parent
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chain), so Receiver::Receive dropped its "ToggleLamp" message (id 3) in silence.
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Before the fix the identical rig produced:
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[btntest] PRESS 0x14 at poll 400
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[msg] UNHANDLED: Searchlight has no handler for message id 3 -- silently dropped
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The binary's table @0051120c holds exactly one entry { 3, "ToggleLamp", @004b860c }.
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PASS = the UNHANDLED line is GONE **and** a [light] line shows commandedOn flipping.
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Uses the real click seam (BT_BTNTEST, L4PADRIO.cpp:393), not a synthetic call.
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Kills only the PID it spawns.
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"""
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import os
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import re
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import subprocess
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import sys
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import time
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REPO = r"C:\git\bt411"
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LOG = os.path.join(REPO, "scratchpad_lamp.log")
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if os.path.exists(LOG):
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os.remove(LOG)
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env = dict(os.environ)
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env.update({
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"BT_START_INSIDE": "1",
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"BT_DEV_GAUGES": "1",
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"BT_FIRE_LOG": "1", # enables the [light] proof line
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"BT_HEAT_LOG": "1",
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# press 0x14 (the searchlight button) at poll 400, release at 900, twice over
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# the run so we see the toggle go ON then back OFF.
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"BT_BTNTEST": "0x14,400,900",
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"BT_LOG": LOG,
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})
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proc = subprocess.Popen(
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[os.path.join(REPO, "build", "Release", "btl4.exe"), "-egg", "LAST.EGG"],
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cwd=os.path.join(REPO, "content"), env=env,
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stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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print("pid", proc.pid)
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try:
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deadline = time.time() + 240
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seen_release = False
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while time.time() < deadline:
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if os.path.exists(LOG):
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t = open(LOG, errors="replace").read()
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if "RELEASE 0x14" in t:
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seen_release = True
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break
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time.sleep(2)
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time.sleep(8)
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finally:
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proc.terminate()
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time.sleep(1)
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t = open(LOG, errors="replace").read() if os.path.exists(LOG) else ""
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btn = re.findall(r"^\[btntest\].*$", t, re.M)
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light = re.findall(r"^\[light\].*$", t, re.M)
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unh_sl = re.findall(r"^\[msg\] UNHANDLED.*Searchlight.*$", t, re.M)
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unh_any = re.findall(r"^\[msg\] UNHANDLED.*$", t, re.M)
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print("\n=============== RESULT ===============")
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print("reached the button press:", seen_release)
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for l in btn[:6]:
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print(" ", l[:130])
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print("\n[light] toggle lines:", len(light))
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for l in light[:6]:
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print(" ", l[:150])
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print("\n[msg] UNHANDLED mentioning Searchlight:", len(unh_sl))
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for l in unh_sl[:4]:
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print(" ", l[:140])
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print("\nall other UNHANDLED pairs still open:", len(unh_any) - len(unh_sl))
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for l in [x for x in unh_any if "Searchlight" not in x][:10]:
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print(" ", l[:140])
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lit = [l for l in light if "reported lightState 0 -> 1" in l]
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ok = light and not unh_sl and lit
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print("\nVERDICT:", "PASS -- ToggleLamp handled AND the lamp actually lit (lightState 0 -> 1)" if ok
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else ("still UNHANDLED -- the chain did not take" if unh_sl
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else ("handler ran but lightState never reached 1 -- the toggle does not reach the lamp"
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if light else "no [light] line -- handler bound but the gate refused")))
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sys.exit(0 if ok else 2)
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