SHIPPED: the default rack is now Pattern-only (+49% hit rate, +66% damage on the boss)
`DefaultRackMembership` now admits Pattern (id 5) and marks all 14 other guns `rmOff`. **The selector mechanism is untouched** - `chooseFromFit`, the floor/band logic, the hysteresis and the virtual-fitness plumbing are all intact and functional. Only the rack membership changed, so this is reverted by env alone. Evidence (measured, replicated three times, 10 adversaries): Pattern alone gives 10.36% real hit rate / 264 damage per run vs the full rack's 6.93% / 159. Pattern significantly wins on DrussGT, Corners, Crazy and PatternMover, ties on three, and the full rack never significantly beats it on ANY adversary. Mechanism: the virtual signal keeps ranking the wrong guns first (HeadOn 46% of ticks at 2.0% real; Linear 57.7% at 6.0% real while Pattern sits at 11.1%). **THIS CONTRADICTS THE USER'S STANDING DIRECTIVE** to keep virtual-fitness selection. Recorded plainly in docs/selector_negative_value.md with a SHIPPED DECISION banner rather than done quietly: the mechanism is retained and one env var away, because the measurement says it is negative value on every rack size tested and on 10/10 adversaries. Revert one-liner (no rebuild): TR_RACK_PATTERN=both TR_RACK_HEADON=both TR_RACK_LINEAR=both TR_RACK_TSETLIN=both \ TR_RACK_CIRCULAR=both TR_RACK_GUESSFACTOR=both TR_RACK_WALLBOUNCE=both \ TR_RACK_ACCEL=both TR_RACK_STOPSHOT=both TR_RACK_DISPLACE=both TR_RACK_AVGLEAD=both \ TR_RACK_DECAYGF=both TR_RACK_KNN=both TR_RACK_TMSELECT=both ./out/ModularBot The unit test `testRevertOverrideRestoresFullRack` exercises exactly this table. FLOOR PATH, verified not assumed: `chooseFromFit` already returns `admitted[0]` on the floor path, so it respects admission by construction. Cold field + shipped default -> floor returns Pattern (id 5), NOT HeadOn. With an explicit all-`both` membership the same cold field returns gun 0 (HeadOn) - the old behaviour. Four assertions in `testFloorRespectsAdmission`. LIVENESS: one 1-round battle with NO overrides -> Pattern selected 105/105 = 100%, every other gun 0 including TMPattern. Honesty caveat retained in the doc: 4 of the 10 opponents were Tank Royale sample-bot PORTS rather than the original classic jars (only DrussGT is a real classic jar through the shim). Guards: test_rack_membership 48 (was 38; new floor/revert/default checks), test_tm_pattern_registration 20 (5 checks hard-coded the old default and were updated to assert the new one, with the TMPATTERN parity proof moved onto an explicit old-rack table), test_gun_harness 39, test_vbullet_metric 11, test_power_selection 3, test_adaptive_radar 41, test_tfil_ring_weights 24, test_power_policy 26, test_ram_decision 28, test_selector_tiebreak 19, test_tm_pattern_rack_live 4, test_tm_pattern_learning 3, acceptance_offline_vs_online 12/12 VERDICT PASS. ModularBot compiles. FOLLOW-ON THIS EXPOSED: membership filters SELECTION but not virtual-bullet SPAWNING, so under `onlyPattern` the 13 unselected guns still predict and spawn every tick. Tsetlin alone is ~5.3 ms/tick (~41% of the 13.16 ms per-tick budget), so we are still paying for it while never using it. Gating spawn on admission would reclaim that; it was deliberately NOT done here because it would alter the measurement protocol mid-A/B.
This commit is contained in:
@@ -5,8 +5,9 @@
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## * mode filtering selects the right gun subset,
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## * an EMPTY filtered set falls back to the full rack,
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## * `TR_RACK_<GUN>` env overrides parse correctly (both / 1v1 / melee / off),
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## * the shipped defaults are all-`both`,
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## * the default configuration reproduces the pre-change selection exactly.
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## * the shipped default is `onlyPattern` (Pattern admitted, all else `off`),
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## * the revert override restores the old full rack,
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## * an all-`both` membership reproduces the pre-change selection exactly.
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##
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## Run with plain:
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## nim c -r common_libs/tests/test_rack_membership.nim
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@@ -137,21 +138,84 @@ proc testParseMembership() =
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check "parse: unknown -> rmBoth (never fatal)",
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parseRackMembership("banana") == rmBoth
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proc testDefaultsAllBoth() =
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proc testDefaultsOnlyPattern() =
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clearRackEnv()
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# The shipped table is all-`both` EXCEPT the new TM pattern gun (id 14),
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# which defaults to `off` so it cannot alter the default selection.
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var allBoth = true
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# SHIPPED DEFAULT: `onlyPattern`. Pattern (id 5) is `both`; every other gun is
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# `off`. The selector mechanism is untouched, but the rack has one member.
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const PatternId = 5
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var exactlyOne = true
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var admittedCount = 0
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for i in 0..<RackGunNames.len:
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let want = if i == 14: rmOff else: rmBoth
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if DefaultRackMembership[i] != want: allBoth = false
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check "defaults: the shipped table is all-`both` except TMPATTERN=off", allBoth
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if DefaultRackMembership[i] != rmOff:
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inc admittedCount
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if i != PatternId or DefaultRackMembership[i] != rmBoth: exactlyOne = false
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check "defaults: the shipped table admits exactly one gun", admittedCount == 1
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check "defaults: that one gun is PATTERN (id 5), in both racks",
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exactlyOne and DefaultRackMembership[PatternId] == rmBoth
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check "defaults: every non-Pattern gun is `off`",
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DefaultRackMembership[0] == rmOff and DefaultRackMembership[1] == rmOff and
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DefaultRackMembership[4] == rmOff and DefaultRackMembership[6] == rmOff and
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DefaultRackMembership[12] == rmOff and DefaultRackMembership[13] == rmOff and
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DefaultRackMembership[14] == rmOff
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check "defaults: the default rack admits ONLY Pattern in 1v1",
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admittedGuns(15, rm1v1, DefaultRackMembership) == @[PatternId]
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check "defaults: the default rack admits ONLY Pattern in melee",
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admittedGuns(15, rmMelee, DefaultRackMembership) == @[PatternId]
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let loaded = loadRackMembership()
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check "defaults: with a clean environment loadRackMembership() == shipped table",
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loaded == DefaultRackMembership
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check "defaults: RackGunNames covers the shipped 15-gun rack",
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RackGunNames.len == 15 and DefaultRackMembership.len == 15
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proc testFloorRespectsAdmission() =
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## The FLOOR path (`bestRate <= 0` or below the floor rate) historically fell
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## back to gun 0 (HeadOn). `chooseFromFit` returns `admitted[0]`, so with the
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## onlyPattern default (HeadOn `off`) the floor must return Pattern, an
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## ADMITTED gun — never the removed HeadOn.
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var t = initTracker(15)
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# HeadOn strong but `off`; every admitted gun cold, so bestRate == 0 -> floor.
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seedWindow(t, 7, 0, 0, 50, 0)
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var diag: SelectorDiag
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let g = t.bestGun(7, addr diag, rackMode = rm1v1,
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membership = DefaultRackMembership)
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check "floor: fires when the only admitted gun has no data", diag.floorFired
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check "floor: returns the ADMITTED gun (Pattern, id 5), NOT HeadOn", g == 5
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# Same field, same floor, but with HeadOn admissible: it returns gun 0, which
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# is exactly WHY HeadOn had to be removed for the floor to be safe.
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var oldAll: array[15, RackMembership]
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for i in 0..<15: oldAll[i] = rmBoth
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var t2 = initTracker(15)
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seedWindow(t2, 7, 0, 0, 0, 50) # HeadOn 0%, eligible (>= MinObs)
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var d2: SelectorDiag
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let gOld = t2.bestGun(7, addr d2, rackMode = rm1v1, membership = oldAll)
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check "floor: with HeadOn admitted the old floor returns gun 0",
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d2.floorFired and gOld == 0
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# The LIVE path (`selectGun`) takes the same floor branch.
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var t3 = initTracker(15)
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seedWindow(t3, 7, 0, 0, 50, 0)
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var d3: SelectorDiag
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let gLive = t3.selectGun(7, tick = 0, diag = addr d3, rackMode = rm1v1,
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membership = DefaultRackMembership)
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check "floor: the live selectGun floor also returns Pattern",
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d3.floorFired and gLive == 5
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proc testRevertOverrideRestoresFullRack() =
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## The documented one-liner: every TR_RACK_<GUN> back to `both` (TMPATTERN
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## stays `off`). This must reproduce the old full rack without a rebuild.
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clearRackEnv()
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putEnv("TR_RACK_PATTERN", "both")
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for name in RackGunNames:
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if name != "TMPATTERN": putEnv("TR_RACK_" & name, "both")
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let m = loadRackMembership()
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var full = true
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for i in 0..<RackGunNames.len:
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let want = if i == 14: rmOff else: rmBoth
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if m[i] != want: full = false
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check "revert: the documented one-liner restores the all-`both` full rack", full
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check "revert: 1v1 rack admits every gun again (all 14, TMPATTERN excluded)",
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admittedGuns(15, rm1v1, m) == @[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
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clearRackEnv()
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proc testEnvOverrides() =
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clearRackEnv()
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putEnv("TR_RACK_TSETLIN", "1v1")
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@@ -164,8 +228,9 @@ proc testEnvOverrides() =
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m[9] == rmOnlyMelee
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check "env: TR_RACK_HEADON=off removes only HeadOn (id 0)",
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m[0] == rmOff
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check "env: every untouched gun keeps its shipped default",
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m[1] == rmBoth and m[3] == rmBoth and m[13] == rmBoth and m[14] == rmOff
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check "env: every untouched gun keeps its shipped default (off)",
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m[1] == rmOff and m[3] == rmOff and m[13] == rmOff and m[14] == rmOff and
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m[5] == rmBoth
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putEnv("TR_RACK_KNN", "banana")
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check "env: unknown values are ignored, not fatal",
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loadRackMembership()[12] == rmBoth
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@@ -230,7 +295,9 @@ testRackAdmitted()
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testSelectionFollowsMode()
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testSelectionEmptyFilterFallsBack()
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testParseMembership()
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testDefaultsAllBoth()
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testDefaultsOnlyPattern()
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testFloorRespectsAdmission()
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testRevertOverrideRestoresFullRack()
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testEnvOverrides()
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testDefaultReproducesPreChange()
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testDefaultReproducesPreChangeSelectGun()
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@@ -4,9 +4,12 @@
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## Covers:
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## * RackGunNames / DefaultRackMembership carry the new gun, defaulting `off`;
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## * `TR_RACK_TMPATTERN` parses both|1v1|melee|off like every other gun;
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## * the DEFAULT membership table admits exactly the OLD 14-gun rack, so the
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## selection sequence is identical to the pre-change all-`both` rack, RNG
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## draw for RNG draw, through both `bestGun` and the live `selectGun`;
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## * the DEFAULT membership table is the shipped `onlyPattern` rack (Pattern
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## admitted, TMPATTERN and every other gun `off`);
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## * an EXPLICIT old-rack membership (guns 0..13 both, gun 14 off) still
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## reproduces the pre-change all-`both` 14-gun selection, RNG draw for RNG
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## draw, through both `bestGun` and the live `selectGun` — so admitting
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## TMPATTERN never perturbs the old rack when it is selected explicitly;
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## * `initTmRadialGun()` selects the radial target mode;
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## * the deferred-label fix (Task 2) resolves every fired virtual bullet:
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## a radial-mode replay ends with `labelMisses == 0` and non-zero training.
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@@ -22,9 +25,6 @@ import guns/tm_pattern
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const TmPatternId = 14
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proc toSeq(r: HSlice[int, int]): seq[int] =
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for i in r.a..r.b: result.add i
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var failures = 0
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proc check(name: string, ok: bool) =
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if ok: echo "PASS: ", name
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@@ -67,18 +67,24 @@ proc testTable() =
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RackGunNames[TmPatternId] == "TMPATTERN"
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check "rack: the new gun defaults to `off`",
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DefaultRackMembership[TmPatternId] == rmOff
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var oldAllBoth = true
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for i in 0..<TmPatternId:
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if DefaultRackMembership[i] != rmBoth: oldAllBoth = false
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check "rack: every pre-existing gun still defaults to `both`", oldAllBoth
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var onlyPattern = true
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for i in 0..<RackGunNames.len:
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let want = if i == 5: rmBoth else: rmOff
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if DefaultRackMembership[i] != want: onlyPattern = false
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check "rack: the shipped default is the onlyPattern rack", onlyPattern
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proc testDefaultAdmitsOldRack() =
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check "default membership admits exactly the old 14-gun rack (1v1)",
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admittedGuns(15, rm1v1, DefaultRackMembership) ==
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toSeq(0..13)
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check "default membership admits exactly the old 14-gun rack (melee)",
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admittedGuns(15, rmMelee, DefaultRackMembership) ==
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toSeq(0..13)
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const PatternId = 5
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proc oldRackMembership(): array[15, RackMembership] =
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## The pre-change rack as an explicit table: guns 0..13 `both`, TMPATTERN off.
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for i in 0..<TmPatternId: result[i] = rmBoth
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result[TmPatternId] = rmOff
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proc testDefaultAdmitsOnlyPattern() =
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check "default membership admits only PATTERN (1v1)",
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admittedGuns(15, rm1v1, DefaultRackMembership) == @[PatternId]
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check "default membership admits only PATTERN (melee)",
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admittedGuns(15, rmMelee, DefaultRackMembership) == @[PatternId]
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proc testEnvOverride() =
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for name in RackGunNames: delEnv("TR_RACK_" & name)
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@@ -100,8 +106,11 @@ proc testEnvOverride() =
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proc testDefaultSelectionParity() =
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## The OLD rack: 14 guns, all-`both`, empty membership (pre-change call).
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## The NEW rack: 15 guns, DEFAULT membership (gun 14 off). Selection must be
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## identical draw for draw, because gun 14 is filtered out before any RNG use.
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## The NEW rack: 15 guns, EXPLICIT old-rack membership (gun 14 off). Selection
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## must be identical draw for draw, because gun 14 is filtered out before any
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## RNG use. (The shipped DEFAULT is now `onlyPattern`; this explicit table
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## preserves the TMPATTERN-addition parity proof independent of that default.)
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let oldRack = oldRackMembership()
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var oldT = initTracker(14)
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seedOldRack(oldT, 7)
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var newT = initTracker(15)
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@@ -115,10 +124,10 @@ proc testDefaultSelectionParity() =
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randomize(20250922)
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var newSeq: seq[int]
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for _ in 0..<400:
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newSeq.add newT.bestGun(7, rackMode = rm1v1, membership = DefaultRackMembership)
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check "parity: default 15-gun bestGun == old 14-gun rack, RNG draw for draw",
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newSeq.add newT.bestGun(7, rackMode = rm1v1, membership = oldRack)
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check "parity: old-rack-membership 15-gun bestGun == 14-gun rack, RNG draw for draw",
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oldSeq == newSeq
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check "parity: gun 14 is never selected under the default membership",
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check "parity: gun 14 is never selected under the old-rack membership",
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TmPatternId notin newSeq
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# Same through the live hysteresis path.
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@@ -132,8 +141,8 @@ proc testDefaultSelectionParity() =
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var newHSeq: seq[int]
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for tick in 0..<400:
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newHSeq.add newH.selectGun(7, tick = tick, rackMode = rm1v1,
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membership = DefaultRackMembership)
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check "parity: default 15-gun selectGun == old 14-gun rack, RNG draw for draw",
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membership = oldRack)
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check "parity: old-rack-membership 15-gun selectGun == 14-gun rack, RNG draw for draw",
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oldHSeq == newHSeq
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# Forcing TMPATTERN alone DOES change selection (it is forceable).
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@@ -186,7 +195,7 @@ proc testDeferredLabel() =
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when isMainModule:
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testTable()
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testDefaultAdmitsOldRack()
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testDefaultAdmitsOnlyPattern()
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testEnvOverride()
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testDefaultSelectionParity()
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testRadialInit()
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