Make work with astra

run-linux.sh

@@ -0,0 +1,104 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+output_dir="$repo_dir/Builds/linux"
+player="$output_dir/Simulation.x86_64"
+mode="${1:---demo}"
+case "$mode" in
+    --demo|--server|--vnc) ;;
+    *) echo "Usage: $0 [--demo | --server | --vnc]"; exit 2 ;;
+esac
+if [[ ! -x "$player" ]]; then
+    echo "Build the Linux player first: ./build-linux.sh" >&2
+    exit 1
+fi
+if [[ "$mode" == --vnc && -z "${DISPLAY:-}" ]]; then
+    exec xvfb-run -a -s '-screen 0 1280x800x24 -nolisten tcp' "$0" --vnc
+fi
+if [[ "$mode" == --demo && -z "${DISPLAY:-}" ]]; then
+    echo "No display. Use --vnc to view over SSH, or --server for a headless server." >&2
+    exit 1
+fi
+if [[ "$mode" == --vnc ]]; then
+    command -v x11vnc >/dev/null || { echo "Install x11vnc, xvfb, and xauth." >&2; exit 1; }
+fi
+
+cd "$repo_dir"
+mkdir -p "$output_dir"
+children=()
+cleanup() {
+    trap - EXIT INT TERM
+    if (( ${#children[@]} )); then
+        kill "${children[@]}" 2>/dev/null || true
+        wait "${children[@]}" 2>/dev/null || true
+    fi
+}
+trap cleanup EXIT
+trap 'exit 130' INT
+trap 'exit 143' TERM
+
+# These services control the local simulation. Refuse to reuse unknown servers.
+python3 - <<'PY'
+import socket
+for port in (8080, 8081):
+    with socket.socket() as sock:
+        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        try:
+            sock.bind(('127.0.0.1', port))
+        except OSError:
+            raise SystemExit('Port %s is already in use; stop the previous simulation first.' % port)
+with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
+    try:
+        sock.bind(('0.0.0.0', 7777))
+    except OSError:
+        raise SystemExit('UDP port 7777 is already in use.')
+PY
+SIMULATION_BIND_ADDRESS=127.0.0.1 python3 -u traffic_light_server.py >"$output_dir/traffic.log" 2>&1 &
+children+=("$!")
+SIMULATION_BIND_ADDRESS=127.0.0.1 python3 -u event_server.py >"$output_dir/events.log" 2>&1 &
+children+=("$!")
+python3 - <<'PY'
+import time, urllib.request
+for port, path in ((8080, '/trafficLights/'), (8081, '/tweetCount')):
+    for attempt in range(50):
+        try:
+            with urllib.request.urlopen('http://127.0.0.1:%s%s' % (port, path), timeout=1) as response:
+                response.read()
+            break
+        except OSError:
+            time.sleep(.1)
+    else:
+        raise SystemExit('Backend failed to start; inspect Builds/linux/*.log')
+PY
+: > "$output_dir/server.log"
+"$player" -batchmode -nographics --server \
+    --traffic-url http://127.0.0.1:8080 --event-url http://127.0.0.1:8081 \
+    -logFile "$output_dir/server.log" >"$output_dir/server-console.log" 2>&1 &
+children+=("$!")
+echo "Simulation server running on port 7777. Logs: $output_dir"
+
+if [[ "$mode" != --server ]]; then
+    # Wait for UNet to finish loading the scene before connecting the client.
+    for ((attempt=0; attempt<100; attempt++)); do
+        if grep -q 'Simulation server started' "$output_dir/server.log"; then break; fi
+        kill -0 "${children[2]}" 2>/dev/null || exit 1
+        sleep .1
+    done
+    if ! grep -q 'Simulation server started' "$output_dir/server.log"; then
+        echo "Server startup timed out; inspect $output_dir/server.log" >&2
+        exit 1
+    fi
+    "$player" --connect 127.0.0.1 -screen-width 1280 -screen-height 800 \
+        -screen-fullscreen 0 -force-glcore -logFile "$output_dir/client.log" \
+        >"$output_dir/client-console.log" 2>&1 &
+    children+=("$!")
+fi
+if [[ "$mode" == --vnc ]]; then
+    x11vnc -display "$DISPLAY" -localhost -rfbport 5901 -forever -shared -nopw \
+        >"$output_dir/vnc.log" 2>&1 &
+    children+=("$!")
+    echo "Forward SSH port 5901, then connect your VNC viewer to localhost:5901."
+fi
+echo "Press Ctrl-C to stop the simulation and its services."
+wait -n "${children[@]}"