$$
$$ Cellar-top corner-escape capture — 2026-06-04 (P2 cellar wedge)
$$
$$ Q: at the cellar-top corner, the acdream player (on the ramp, pushing +Y)
$$ wedges against a -Y wall (head-sphere near-miss -> slide, oscillates, no
$$ net +Y). Does RETAIL escape by STEPPING UP over the lip, or by SLIDING,
$$ and is the near-miss a HEAD (neg_step_up=0) or FOOT (neg_step_up=1) hit?
$$ That decides whether the fix is slide-convergence vs step-up-at-the-lip.
$$
$$ Unique (non-overloaded) symbols only -> robust counts + key args:
$$   BPA CTransition::step_up(this, Vector3* normal)         step-up ATTEMPT
$$   BPB BSPTREE::step_sphere_up(this@ecx, CTransition*, V3*) step-up DISPATCH
$$   BPC SPHEREPATH::set_neg_poly_hit(this, int negStepUp, V3* n)
$$         negStepUp 0=head(slide) 1=foot(step-up); also logs n
$$   BPD COLLISIONINFO::set_contact_plane(this, Plane*, isWater)
$$         landing signal: N.z ~1 = cottage floor (escaped), ~0.7 = ramp
$$
$$ thiscall: ecx=this; args [esp+4],[esp+8],... CSphere center: x+0 y+4 z+8 r+0xc
$$ Plane (set_contact_plane arg): N.x+0 N.y+4 N.z+8 d+0xc
$$ Floats logged as 32-bit hex (dwo + %08X); decode with tools/cdb/decode_retail_hex.py
$$
$$ Threshold 30000 hits across A+B+C (auto-detach via qd). BPD unbounded.
$$ Walk up the cellar stairs into the corner and let it wedge once or twice;
$$ the wedge generates the hits, so 30K auto-detaches within an attempt or two.

.logopen C:\Users\erikn\source\repos\acdream\.claude\worktrees\thirsty-goldberg-51bb9b\cellar-corner-retail.log
.sympath C:\Users\erikn\source\repos\acdream\refs
.symopt+ 0x40
.reload /f acclient.exe

r $t0 = 0
r $t1 = 0
r $t2 = 0
r $t3 = 0
r $t4 = 0

$$ BPA: CTransition::step_up(this, Vector3* normal) — did retail try to step up the lip?
bp acclient!CTransition::step_up "r $t1=@$t1+1; r $t0=@$t0+1; .printf /D \"[BPA] step_up #%d nx_h=0x%08X ny_h=0x%08X nz_h=0x%08X\\n\", @$t1, dwo(poi(@esp+4)+0), dwo(poi(@esp+4)+4), dwo(poi(@esp+4)+8); .if (@$t0 >= 30000) { qd } .else { gc }"

$$ BPB: BSPTREE::step_sphere_up — step-up dispatch count.
bp acclient!BSPTREE::step_sphere_up "r $t2=@$t2+1; r $t0=@$t0+1; .printf /D \"[BPB] step_sphere_up #%d\\n\", @$t2; .if (@$t0 >= 30000) { qd } .else { gc }"

$$ BPC: SPHEREPATH::set_neg_poly_hit(this, int negStepUp, Vector3* n)
bp acclient!SPHEREPATH::set_neg_poly_hit "r $t3=@$t3+1; r $t0=@$t0+1; .printf /D \"[BPC] neg_poly_hit #%d negStepUp=%d nx_h=0x%08X ny_h=0x%08X nz_h=0x%08X\\n\", @$t3, dwo(@esp+4), dwo(poi(@esp+8)+0), dwo(poi(@esp+8)+4), dwo(poi(@esp+8)+8); .if (@$t0 >= 30000) { qd } .else { gc }"

$$ BPD: COLLISIONINFO::set_contact_plane(this, Plane*, isWater) — landing signal (unbounded).
bp acclient!COLLISIONINFO::set_contact_plane "r $t4=@$t4+1; .printf /D \"[BPD] contact_plane #%d Nz_h=0x%08X d_h=0x%08X\\n\", @$t4, dwo(poi(@esp+4)+8), dwo(poi(@esp+4)+0xc); gc"

.printf "cellar-corner-escape armed: A=step_up B=step_sphere_up C=neg_poly_hit D=contact_plane; 30K threshold\\n"

g