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#124: the aimed pick now intersects the DRAWN GEOMETRY -- sphere

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approximation retired; shared-hull hits route through the cylinder

The zone-walk matrix caught the pick red-handed: with the servo
verifiably holding the reticle on the dtorso segment, the per-segment
BOUNDING-SPHERE pick returned rgun/ruleg -- the gun pods and legs
thread the ray before the torso from most angles (its own comments
admitted a foot could be unhittable behind its own knee). The 1995
pick was a dpl scene intersection against the drawn geometry.

Restored that semantic:
* BTGetPickMesh caches each segment d3d_OBJECT's triangles CPU-side
  once (its own BGF VB/IB, managed-pool locks); MechSegmentPick now
  runs sphere PRE-FILTER -> Moller-Trumbore nearest-hit across the
  threaded segments' posed meshes; the old smallest-sphere selection
  survives only as the no-triangle fallback.
* Segments claimed as CARRIER by 2+ zones (the shared hull: madcat
  seg 4 carries dtorso+ltorso+rtorso+utorso+rears) cannot resolve one
  zone from geometry -- those hits return zone -1 WITH the accurate
  triangle point, and the victim's bit-verified (frame-fixed) cylinder
  assigns the panel by band/wedge. Unique carriers (legs, feet, arms,
  gun pods) keep the direct zone.
* ZoneAimPoint: the walker aims at a zone's VISUAL center (largest
  pick object's cull-center) instead of the segment origin -- joint
  origins made feet/lower legs strike the part above.
* Walker upgrades from live operation: 3-column truth (aim/pick/land),
  engage gate, damped servo with polarity watchdog, approach port.

Zone-walk verdict (full cycles, spinning target, real MP): limbs 5-6/6
direct in-zone; every hull panel routes CYL; the victim's landed zones
now include ltorso/rtorso/reardtorso/rearutorso/rearrtorso -- the
panels night-10 reported unhittable. Residuals tracked on #124:
rtorso/utorso aim-anchor placement, doors/searchlight small-zone
sample, twisted-torso twist-sign verify.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Joe DiPrima
2026-08-03 10:38:24 -05:00
co-authored by Claude Fable 5
parent 16e75d6e1a
commit 1a3c268278
4 changed files with 253 additions and 11 deletions
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scratchpad/night10/zonewalk.sh
+2 -2
View File
@@ -20,12 +20,12 @@ bt_expert_egg MP.EGG ZW.EGG
sed -i "s/^map=.*/map=grass/; s/^time=.*/time=day/; 0,/^vehicle=.*/s//vehicle=madcat/" ZW.EGG
# TARGET first (right/back window): spins, logs every damage application.
BT_SPIN_SELF=15 BT_DMG_LOG=1 BT_DEATH_LOG=1 BT_MP_LOG=1 \
BT_SPIN_SELF=15 BT_DMG_LOG=1 BT_DEATH_LOG=1 BT_MP_LOG=1 BT_MATCHLOG=1 \
bt_launch zw_b.log ZW.EGG 0x0C -net 1601
sleep 2
# SHOOTER second (foreground -- owns the pick focus): the walker.
BT_ZONE_WALK=6 BT_GOTO=enemy BT_GOTO_STOP=90 BT_KEY_NOFOCUS=1 \
BT_DMG_LOG=1 BT_RANGE_LOG=1 BT_MP_LOG=1 \
BT_DMG_LOG=1 BT_RANGE_LOG=1 BT_MP_LOG=1 BT_MATCHLOG=1 \
bt_launch zw_a.log ZW.EGG 0x03 -net 1501
sleep 5
python ../tools/btconsole.py ZW.EGG 127.0.0.1:1501 127.0.0.1:1601 > zw_relay.log 2>&1 &