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P7: byte-exact re-base of the CORE heat leaf (HeatSink/Condenser/Reservoir/Generator/Myomers)

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The reconstruction modeled the binary's shared alarm/connection types with undersized
stand-ins, sliding every field above them low (the 72-byte auxScreenNumber gap). Fix the
foundational heat-leaf classes byte-exact + static_assert-lock them, from the ctor decomp:

Shared types corrected:
  * SubsystemConnection 4 -> 0xC  (binary link node FUN_004af9cf; FUN_00417ab4 derefs +8)
  * GaugeAlarm54 = 0x54           (real AlarmIndicator FUN_0041b9ec; STATUS level at +0x14,
                                   so subsystem+0x184 == heatAlarm+0x14 == GetLevel())
    WatcherGaugeAlarm now typedefs GaugeAlarm54 (Watcher branch locks stay valid).

Byte-exact + locked (ctor-verified):
  * HeatSink   heatEnergy@0x158 linkedSinks@0x164 heatAlarm@0x170 resource@0x1C4
               pendingHeat@0x1C8, sizeof 0x1D0  (@004adda0)
  * Condenser  valveState@0x1D0 condenserAlarm@0x1DC  (@004ae568)
  * Reservoir  reservoirAlarm@0x1D0 ... squirtEfficiency@0x22C, sizeof 0x230  (@4aef78)
  * Generator  stateAlarm@0x1FC, sizeof 0x250  (@004b225c)
  * Myomers    phantom moverConnection tail removed (fits 0x358)

Three systemic bug classes fixed (added to the checklist in CLAUDE.md / HARD_PROBLEMS.md):
  * alias field    - a subclass member re-declaring an inherited slot the ctor reuses
                     (Condenser refrigerationOutput==massScale@0x160; Reservoir
                     coolantCapacity==thermalCapacity@0x128) -> use the inherited name
  * alarm-interior - a value read at alarm+0x14 modeled as a separate member
                     (HeatSink heatState@0x184, Reservoir injectActive@0x1e4)
                     -> route to alarm.GetLevel()
  * phantom field  - a member past the object end (Generator shortFlag@0x25C is really
                     *(owner+0x190)+0x25c the msg-manager, @004b0efc; Myomers
                     moverConnection@0x110 a write-only base slot) -> remove it

Heat conduction now reads the REAL heatEnergy=1.34e7 (not garbage); combat DESTROYED-in-8,
0 crashes, heapcheck-clean through construction.

REMAINING (measured; a distinct larger task): making PoweredSubsystem byte-exact grows it
+0x98 and cascades into MechWeapon/Emitter/PPC/Sensor/Myomers -- all model the 0x54
AlarmIndicator with 4-byte ReconAlarm / 8-byte HeatAlarm stand-ins and are short +
phantom-tailed; retyping without byte-exacting them overflows the Emitter alloc (heap
corruption). PoweredSubsystem kept on HeatAlarm(8) stand-ins (marked) pending a
subsystem-tree ALARM UNIFICATION. See docs/HARD_PROBLEMS.md P7.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
arcattack
2026-07-07 09:47:37 -05:00
co-authored by Claude Opus 4.8
parent 16ad741282
commit 1356870e56
11 changed files with 251 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files
game/reconstructed/powersub.cpp
+10 -6
View File
@@ -358,11 +358,15 @@ Logical
{
HeatSink::HandleMessage(message); // FUN_004ad748
Generator *source = (Generator *)(/* owner subsystem-message manager */
BT_GetMessageManager((Mech *)owner)); // *(this[0x34]+0x190)
// Raw @004b0efc reads *(int*)(*(owner+0x190) + 0x25c) -- the message-manager's
// short-event flag (NOT a Generator field). The manager is null in bring-up
// (BT_GetMessageManager stub), so guard the deref; the real read resumes once
// the SubsystemMessageManager (0xBD3) roster lookup is wired.
SubsystemMessageManager *msgMgr = BT_GetMessageManager((Mech *)owner); // *(this[0x34]+0x190)
if (!IsDamaged() // FUN_004ac9c8 == 0
&& source->ShortFlag() != 0 // source+0x25c != 0
&& msgMgr != 0
&& *(LWord *)((char *)msgMgr + 0x25c) != 0 // message-manager short-event flag
&& message == 4)
{
ForceShortRecovery(); // FUN_004b11bc(this)
@@ -733,7 +737,7 @@ void
//
// Heat damage (HeatSink heat-state @0x184) throttles the drive.
//
switch (heatState) // this[0x61] @0x184
switch (heatAlarm.GetLevel()) // this+0x184 (heat-state inside heatAlarm@0x170+0x14)
{
case HeatSink::NormalHeat: // 0
powered = 1;
@@ -908,7 +912,7 @@ void
{
stateAlarm.SetLevel(GeneratorIdle); // SetLevel 1
}
if (heatState == HeatSink::FailureHeat) // this[0x61] @0x184 == 2
if (heatAlarm.GetLevel() == HeatSink::FailureHeat) // this+0x184 == 2
{
stateAlarm.SetLevel(GeneratorRecovered); // SetLevel 4
}
@@ -941,7 +945,7 @@ void
case GeneratorRecovered: // 4
outputVoltage = 0.0f;
if (heatState == HeatSink::NormalHeat) // this[0x61] == 0
if (heatAlarm.GetLevel() == HeatSink::NormalHeat) // this+0x184 == 0
{
if (generatorOn == 0) // this[0x75]
{