feat(SNNBot): track and log bullet hit rate statistics
Adds bulletsFired and bulletsHit fields to track shots, increments on fire and hit events, and logs hit rate (hits/shots × 100%) in both SNN and reservoir aiming paths. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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@@ -216,6 +216,8 @@ type
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lastBinInput: BitVec80 # DECIDE-time binary input, reused in EVALUATE
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lastInput: BitVec80 # previous EVALUATE-time input (for change detection)
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lastAbsBearing: float # absolute bearing to enemy captured at DECIDE time
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bulletsFired: int # count of bullets fired (power > 0)
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bulletsHit: int # count of bullets that hit
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# ── aimTo helper ──────────────────────────────────────────────────────────────
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@@ -281,6 +283,9 @@ method onGameStarted*(bot: SNNBot, e: GameStartedEventForBot) =
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initSNN(bot.snn)
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bot.res = initBinaryAimer()
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method onBulletHitBotEvent*(bot: SNNBot, e: BulletHitBotEvent) =
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inc bot.bulletsHit
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# ── Reservoir helpers ─────────────────────────────────────────────────────────
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proc toBinaryInput(bearing: float, velDir: float, velSpeed: float, hasVel: bool): BitVec80 =
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@@ -345,14 +350,15 @@ method run*(bot: SNNBot) =
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bot.lastBinInput = binInput
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bot.lastDecideGunDir = gunDir
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bot.lastAbsBearing = absBearing
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let rate = if bot.bulletsFired > 0: (float(bot.bulletsHit) / float(bot.bulletsFired) * 100.0) else: 0.0
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if aimOffset <= -999.0:
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# cold start: aim directly at enemy (no lead)
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bot.targetAngle = absBearing
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echo "RES tick=" & $bot.tick & " cold-start aim=" & formatFloat(absBearing, ffDecimal, 1)
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echo "RES tick=" & $bot.tick & " cold-start aim=" & formatFloat(absBearing, ffDecimal, 1) & " fired=" & $bot.bulletsFired & " hit=" & $bot.bulletsHit & " rate=" & formatFloat(rate, ffDecimal, 1) & "%"
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else:
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# apply lead correction offset to current bearing
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bot.targetAngle = (absBearing + aimOffset + 360.0) mod 360.0
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echo "RES tick=" & $bot.tick & " offset=" & formatFloat(aimOffset, ffDecimal, 1) & " aim=" & formatFloat(bot.targetAngle, ffDecimal, 1)
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echo "RES tick=" & $bot.tick & " offset=" & formatFloat(aimOffset, ffDecimal, 1) & " aim=" & formatFloat(bot.targetAngle, ffDecimal, 1) & " fired=" & $bot.bulletsFired & " hit=" & $bot.bulletsHit & " rate=" & formatFloat(rate, ffDecimal, 1) & "%"
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else:
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let inputs = encodeInputFull(absBearing, bot.velDirDeg, bot.velSpeed, bot.hasLastPos)
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# Multi-tick inference: accumulate sin/cos and spike counts over N_INFER ticks
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@@ -393,6 +399,7 @@ method run*(bot: SNNBot) =
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# Fire gate: only fire when error within adaptive dead zone
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if err < adaptiveDeadZone:
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discard setFire(FIRE_POWER)
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inc bot.bulletsFired
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bot.phase = EVALUATE
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else:
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discard setFire(0.0)
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@@ -428,13 +435,15 @@ method run*(bot: SNNBot) =
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# Cold start: always learn
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bot.res.learn(bot.lastBinInput, correctOffset)
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let aimErr = if producedOffset > -999.0: abs(normalizeRelativeAngle(producedOffset - correctOffset)) else: -1.0
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let rate = if bot.bulletsFired > 0: (float(bot.bulletsHit) / float(bot.bulletsFired) * 100.0) else: 0.0
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echo "RES tick=" & $bot.tick &
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" offset=" & (if producedOffset > -999.0: formatFloat(producedOffset, ffDecimal, 1) else: "cold") &
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" correctOffset=" & formatFloat(correctOffset, ffDecimal, 1) &
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" err=" & (if producedOffset > -999.0: formatFloat(aimErr, ffDecimal, 1) else: "n/a") &
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" hammingDist=" & $hammingDist &
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" inputChanged=" & $inputChanged &
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" exemplars=" & $bot.res.count
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" exemplars=" & $bot.res.count &
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" fired=" & $bot.bulletsFired & " hit=" & $bot.bulletsHit & " rate=" & formatFloat(rate, ffDecimal, 1) & "%"
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else:
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let targetRel = normalizeRelativeAngle(correctAngle - bot.lastDecideGunDir)
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bot.snn.superSpikeUpdate(bot.lastSpikes, bot.lastVSnap, bot.snn.preTrace, targetRel)
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@@ -455,7 +464,8 @@ method run*(bot: SNNBot) =
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for w in bot.snn.wCos:
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meanWout += abs(w)
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meanWout /= float(2 * N_HID)
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echo "tick=" & $bot.tick & " err=" & formatFloat(err, ffDecimal, 1) & "° infer_spk=" & $spikeCount & "/" & $(N_INFER * N_HID) & " maxV=" & formatFloat(maxV, ffDecimal, 3) & " |wih|=" & formatFloat(meanWih, ffDecimal, 4) & " |wOut|=" & formatFloat(meanWout, ffDecimal, 4) & " sin=" & formatFloat(bot.snn.lastSinOut, ffDecimal, 3) & " cos=" & formatFloat(bot.snn.lastCosOut, ffDecimal, 3) & " snnAngle=" & formatFloat(bot.snn.lastSnnAngle, ffDecimal, 1)
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let rate = if bot.bulletsFired > 0: (float(bot.bulletsHit) / float(bot.bulletsFired) * 100.0) else: 0.0
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echo "tick=" & $bot.tick & " err=" & formatFloat(err, ffDecimal, 1) & "° infer_spk=" & $spikeCount & "/" & $(N_INFER * N_HID) & " maxV=" & formatFloat(maxV, ffDecimal, 3) & " |wih|=" & formatFloat(meanWih, ffDecimal, 4) & " |wOut|=" & formatFloat(meanWout, ffDecimal, 4) & " sin=" & formatFloat(bot.snn.lastSinOut, ffDecimal, 3) & " cos=" & formatFloat(bot.snn.lastCosOut, ffDecimal, 3) & " snnAngle=" & formatFloat(bot.snn.lastSnnAngle, ffDecimal, 1) & " fired=" & $bot.bulletsFired & " hit=" & $bot.bulletsHit & " rate=" & formatFloat(rate, ffDecimal, 1) & "%"
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# Update lastInput for next EVALUATE cycle's change detection
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bot.lastInput = bot.lastBinInput
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