Johnny Fernandes
64 lines
2.1 KiB
Bash
Executable File
64 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# Launch Webots with N sheep enabled and the chosen controller mode.
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# Generates a temporary world file in worlds/field_test.wbt with sheep
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# beyond N commented out, sets the env vars the dog controller reads,
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# then execs Webots on it.
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#
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# Usage:
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# tools/run_webots.sh [N] [MODE]
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# N : number of active sheep (1..10), default 10
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# MODE : "rl" | "strombom" | "sequential", default "rl"
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#
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# Examples:
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# tools/run_webots.sh 10 rl # BC-trained RL policy, 10 sheep
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# tools/run_webots.sh 5 sequential # the analytic teacher, 5 sheep
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# tools/run_webots.sh 3 strombom # canonical baseline, 3 sheep
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#
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# Notes:
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# * The RL mode loads training/runs/bc_pretrained/policy.zip by default.
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# Override via HERDING_POLICY_DIR=/path/to/run env var.
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# * Conda env "tir" must be active (provides stable-baselines3 + torch).
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set -e
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N=${1:-10}
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MODE=${2:-rl}
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if (( N < 1 || N > 10 )); then
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echo "N must be 1..10, got $N" >&2; exit 1
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fi
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case "$MODE" in
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rl|strombom|sequential) ;;
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*) echo "MODE must be rl|strombom|sequential, got '$MODE'" >&2; exit 1 ;;
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esac
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ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )"
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SRC="$ROOT/worlds/field.wbt"
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DST="$ROOT/worlds/field_test.wbt"
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cp "$SRC" "$DST"
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# Comment out sheep N+1..10 by prefixing the matching Sheep { ... } line.
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for i in $(seq $((N+1)) 10); do
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sed -i "s|^Sheep .* \"sheep${i}\".*|# &|" "$DST"
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done
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active=$(grep -c '^Sheep' "$DST")
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echo "------------------------------------------------------------"
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echo "World : $DST"
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echo "Mode : $MODE"
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echo "Sheep : $active active"
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echo "Policy dir : ${HERDING_POLICY_DIR:-$ROOT/training/runs/bc_pretrained}"
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echo "------------------------------------------------------------"
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# Webots strips HERDING_* env vars from controller subprocesses in some
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# setups, so we also write a runtime config file the controller reads.
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RESOLVED_POLICY_DIR="${HERDING_POLICY_DIR:-$ROOT/training/runs/bc_pretrained}"
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cat > "$ROOT/herding_runtime.cfg" <<EOF
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HERDING_MODE=$MODE
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HERDING_POLICY_DIR=$RESOLVED_POLICY_DIR
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EOF
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export HERDING_MODE="$MODE"
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export HERDING_POLICY_DIR="$RESOLVED_POLICY_DIR"
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exec webots "$DST"
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