Complete XYZAC LinuxCNC WASM parity and smooth 3D preview

run-5axis-rtcp.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+REPO_ROOT="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+LINUXCNC_ROOT="${REPO_ROOT}/linuxcnc"
+CASE_DIR="${LINUXCNC_ROOT}/configs/sim/axis/vismach/5axis/table-rotary-tilting"
+CASE_NAME="${1:-xyzac-trt.ini}"
+
+case "${CASE_NAME}" in
+  xyzac-trt.ini)
+    DEMO_FILE="${CASE_DIR}/demos/xyzac_switchkins.ngc"
+    RTCP_SUBROUTINE="${CASE_DIR}/remap_subs/helix_ac.ngc"
+    ;;
+  xyzbc-trt.ini)
+    DEMO_FILE="${CASE_DIR}/demos/xyzbc_switchkins.ngc"
+    RTCP_SUBROUTINE="${CASE_DIR}/remap_subs/helix_bc.ngc"
+    ;;
+  *)
+    printf 'case must be xyzac-trt.ini or xyzbc-trt.ini\n' >&2
+    exit 2
+    ;;
+esac
+
+CASE_INI="${CASE_DIR}/${CASE_NAME}"
+if [[ ! -f "${CASE_INI}" ]]; then
+  printf '5-axis RTCP configuration not found: %s\n' "${CASE_INI}" >&2
+  exit 1
+fi
+if [[ ! -f "${DEMO_FILE}" ]]; then
+  printf '5-axis RTCP demo program not found: %s\n' "${DEMO_FILE}" >&2
+  exit 1
+fi
+if [[ ! -f "${RTCP_SUBROUTINE}" ]]; then
+  printf '5-axis RTCP subroutine not found: %s\n' "${RTCP_SUBROUTINE}" >&2
+  exit 1
+fi
+if ! grep -Eq '^[[:space:]]*M428([[:space:];]|$)' "${RTCP_SUBROUTINE}"; then
+  printf 'RTCP switch M428 not found in: %s\n' "${RTCP_SUBROUTINE}" >&2
+  exit 1
+fi
+LINUXCNC_LAUNCHER="${LINUXCNC_ROOT}/scripts/linuxcnc"
+if [[ ! -x "${LINUXCNC_LAUNCHER}" ]]; then
+  printf 'LinuxCNC source launcher not found: %s\n' "${LINUXCNC_LAUNCHER}" >&2
+  exit 1
+fi
+
+cd "${LINUXCNC_ROOT}"
+printf 'Starting 5-axis RTCP case: %s\n' "${CASE_INI}"
+printf 'Demo program: %s\n' "${DEMO_FILE}"
+printf 'RTCP subroutine: %s\n' "${RTCP_SUBROUTINE}"
+# The demo subroutine uses M428 to switch switchkins into XYZAC/XYZBC TCP mode.
+exec "${LINUXCNC_ROOT}/scripts/rip-environment" linuxcnc -r "${CASE_INI}"