j124 spinner claim: add ConstantSpinner adversary + spinner A/B arms, panel, analyzer

common_libs/test_framework/adversaries/ConstantSpinner/make_variant.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+# make_variant.sh — generate a spin-rate preset of the ConstantSpinner adversary.
+#
+#   make_variant.sh <NAME> <TURN_RATE_DEG_PER_TICK> <SPEED> [OUTDIR]
+#
+# e.g.
+#   make_variant.sh ConstantSpinner_s3 3 5 /tmp/tr_spinners
+#   make_variant.sh ConstantSpinner_s6 6 5 /tmp/tr_spinners
+#
+# The variant dir is a normal Tank Royale bot directory named <NAME>: the runner
+# matches the connecting bot's identity against <OUTDIR>/<NAME>/<NAME>.json, so
+# the launcher exports BOT_JSON to make the binary handshake under <NAME>.
+#
+# The single committed ConstantSpinner binary is reused (no per-variant build);
+# only SPIN_TURN_RATE / SPIN_SPEED differ.
+set -euo pipefail
+
+HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+BIN="$HERE/out/ConstantSpinner"
+
+NAME="${1:?usage: make_variant.sh <NAME> <TURN_RATE> <SPEED> [OUTDIR]}"
+TURN="${2:?usage: make_variant.sh <NAME> <TURN_RATE> <SPEED> [OUTDIR]}"
+SPEED="${3:?usage: make_variant.sh <NAME> <TURN_RATE> <SPEED> [OUTDIR]}"
+OUTDIR="${4:-/tmp/tr_spinners}"
+
+[[ -x "$BIN" ]] || { echo "ERROR: build first: nim c -d:release src/ConstantSpinner.nim" >&2; exit 1; }
+
+DIR="$OUTDIR/$NAME"
+mkdir -p "$DIR"
+
+cat > "$DIR/$NAME.json" <<JSON
+{
+  "name": "$NAME",
+  "version": "0.1.0",
+  "authors": ["Davide Cappellini"],
+  "description": "ConstantSpinner preset: constant turn ${TURN} deg/tick at speed ${SPEED}",
+  "homepage": "",
+  "countryCodes": ["IT"],
+  "gameTypes": ["classic", "1v1"],
+  "platform": "Nim",
+  "programmingLang": "Nim"
+}
+JSON
+
+cat > "$DIR/$NAME.sh" <<SH
+#!/bin/sh
+cd "\$(dirname "\$0")"
+export BOT_JSON="$DIR/$NAME.json"
+export SPIN_TURN_RATE="$TURN"
+export SPIN_SPEED="$SPEED"
+exec "$BIN" 2>> /tmp/constantspinner_stderr.log
+SH
+chmod +x "$DIR/$NAME.sh"
+
+echo "generated $DIR (turn=$TURN deg/tick, speed=$SPEED)"