Mech::Reset: restore the POSTURE clears the port had dropped (#142)
Oracle: "crouch wasn't resetting on respawn ... mechs always spawn standing".
Correct -- Mech::Reset (@0049fb74) stands the mech up and the port cleared
none of it:
*(this+0x398) = 0 duckState
Set_Alarm_Level(this+0x39c,0) legStateAlarm -> standing
Set_Alarm_Level(this+0x714,0) bodyStateAlarm -> standing
*(this+0x650/0x654/0x658) = 0 death + leg/body reset latches
*(this+0x5ac) = 1.0f idleStrideScale
A pilot who died CROUCHED came back crouched -- leg parked in 'sqd' -- and now
that the cockpit strip works, showing the up-arrow "press to rise" frame on a
standing mech.
Benched (crouchrespawn.sh): A squats, dies while down, respawns -> legLvl 0
(standing) after Mech::Reset. Weak but the failure mode (stuck legLvl=1) is
absent. NB the first attempt was void: force-damage kept A dying before it
could crouch (legLvl 22/24 = death clips), so the run tested a STANDING death.
Switched to self-damage so the mech is stopped long enough to crouch.
Also carries the #142 gauge work: the crouch strip is a BUTTON-STATE indicator
(grey unavailable / orange down-arrow ready / orange up-arrow crouched),
decoded by rendering BDUCK.PCC rather than inferring it; and the gauge
factory's missing-image path no longer uses the no-op DebugStream.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NCJQkvq6G2JNrpVbA75tVZ
This commit is contained in:
Joe DiPrima
co-authored by
Claude Opus 5
Claude Opus 5
parent
03c4d55672
commit
1f0923747b
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#!/usr/bin/env bash
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# =========================================================================
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# #142 -- does CROUCH reset on respawn? (Oracle: "crouch wasn't resetting
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# on respawn ... i guess mechs always spawn standing")
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#
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# Mech::Reset (@0049fb74) stands the mech up in the binary:
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# *(this+0x398) = 0 duckState
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# legStateAlarm -> 0 (this+0x39c)
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# bodyStateAlarm -> 0 (this+0x714)
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# death + leg/body reset latches, idleStrideScale = 1.0
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# The port had dropped every one of those, so a pilot who died CROUCHED came
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# back crouched.
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#
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# THE TEST: A crouches, then is killed while crouched, then respawns.
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# PASS: after "[respawn] Mech::Reset", the leg alarm is 0 (standing) and
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# duckState is 0 -- and no squat clip is parked.
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# FAIL: legLvl stays 1 (parked in 'sqd') across the respawn.
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#
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# B force-damages A so the death lands while A is parked in the squat.
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# =========================================================================
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set -x
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. /c/git/bt411/scratchpad/night6/bench_common.sh
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cd /c/git/bt411/content || exit 1
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taskkill //F //IM btl4.exe > /dev/null 2>&1
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sleep 2
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rm -f dr_a.log dr_b.log dr_relay.log
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bt_expert_egg MP.EGG DR.EGG
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sed -i "s/^map=.*/map=grass/; s/^time=.*/time=day/; s/^vehicle=.*/vehicle=madcat/" DR.EGG
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( export BT_DEATH_LOG=1 BT_MP_LOG=1
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bt_launch dr_b.log DR.EGG 0x0C -net 1601 )
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sleep 2
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# A: crouch early and STAY down, so the kill lands on a crouched mech
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( export BT_BTNTEST=0x13,900,960 BT_SELF_DAMAGE=6
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export BT_DUCK_LOG=1 BT_DEATH_LOG=1 BT_MP_LOG=1 BT_KEY_NOFOCUS=1
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bt_launch dr_a.log DR.EGG 0x03 -net 1501 )
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sleep 5
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python ../tools/btconsole.py DR.EGG 127.0.0.1:1501 127.0.0.1:1601 > dr_relay.log 2>&1 &
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RELAY=$!
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sleep 260
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kill $RELAY 2>/dev/null
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sleep 3
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bt_kill_ours; sleep 2; taskkill //F //IM btl4.exe > /dev/null 2>&1; sleep 3
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echo "=================== #142 CROUCH ACROSS RESPAWN ==================="
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echo "--- did A crouch, then die, then respawn? ---"
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grep -aE "\[duck\] (SQUAT|RISE)|death cycle START|Mech::Reset" dr_a.log | head -8
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echo
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echo "--- leg alarm around the respawn (1 = parked in 'sqd', 0 = standing) ---"
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grep -aE "probe legLvl|Mech::Reset" dr_a.log | tail -12
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echo
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echo "--- the strip's frame after respawn (must NOT be the up-arrow) ---"
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grep -a "probe legLvl" dr_a.log | tail -3
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@@ -0,0 +1,49 @@
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"""Audit Mech::Reset (@0049fb74) -- every field the binary clears vs ours.
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Motivated by finding EIGHT dropped posture clears (duckState, both state alarms,
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the death/reset latches, idleStrideScale) in the port's Reset, and by #137
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"respawn came back with MYOMERS heat MAXED" + Sauron's overheating generator D:
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if the reconstruction dropped the posture clears it may have dropped others.
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"""
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import io, re
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DECOMP = r"C:\git\bt411\reference\decomp\all\part_012.c"
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HPP = r"C:\git\bt411\game\reconstructed\mech.hpp"
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CPP = r"C:\git\bt411\game\reconstructed\mech4.cpp"
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# --- 1. every offset the BINARY's Reset touches ---------------------------
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lines = io.open(DECOMP, encoding="latin-1", errors="replace").readlines()
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body = "".join(lines[14191:14400]) # FUN_0049fb74
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bin_off = sorted({int(m, 16) for m in re.findall(r"param_1 \+ (0x[0-9a-f]+)", body)})
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# --- 2. offset -> our field name, from mech.hpp's offset comments ---------
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name_of = {}
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for ln in io.open(HPP, encoding="latin-1", errors="replace"):
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m = re.search(r"^\s*(?:[A-Za-z_][\w:<>* ]*?)\s+(\w+)\s*(?:\[\d+\])?\s*;.*?(?:@|//\s*)0x([0-9a-fA-F]+)", ln)
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if m:
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name_of.setdefault(int(m.group(2), 16), m.group(1))
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# --- 3. what OUR Reset assigns -------------------------------------------
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cpp = io.open(CPP, encoding="latin-1", errors="replace").read()
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i = cpp.find("Mech::Reset(const Origin &origin, int mode)")
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ours_body = cpp[i:i + 9000] if i != -1 else ""
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ours = set(re.findall(r"^\s*(\w+)\s*(?:\.\w+\([^)]*\)|=)", ours_body, re.M))
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print("Mech::Reset @0049fb74 -- %d distinct fields touched by the binary\n" % len(bin_off))
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missing, covered, unknown = [], [], []
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for off in bin_off:
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nm = name_of.get(off)
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if nm is None:
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unknown.append(off)
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elif nm in ours:
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covered.append((off, nm))
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else:
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missing.append((off, nm))
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print("COVERED by our Reset (%d):" % len(covered))
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print(" " + ", ".join("%s@0x%x" % (n, o) for o, n in covered) + "\n")
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print("*** NOT CLEARED by our Reset (%d) -- named fields the binary resets ***" % len(missing))
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for o, n in missing:
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print(" 0x%-5x %s" % (o, n))
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print("\nUNMAPPED offsets (%d) -- no named field at that offset in mech.hpp:" % len(unknown))
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print(" " + " ".join("0x%x" % o for o in unknown))
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