chore: remove Python tooling and resource viewer

1 files changed, 0 insertions, 679 deletions

diff --git a/tools/terrain_map_preview_renderer.py b/tools/terrain_map_preview_renderer.py
deleted file mode 100644
index 86d72d7..0000000
--- a/tools/terrain_map_preview_renderer.py
+++ /dev/null
@@ -1,679 +0,0 @@
-#!/usr/bin/env python3
-"""
-Software 3D renderer for terrain Land.msh + Land.map overlay.
-
-Output format: binary PPM (P6), dependency-free.
-"""
-
-from __future__ import annotations
-
-import argparse
-import math
-import struct
-from pathlib import Path
-from typing import Any
-
-import archive_roundtrip_validator as arv
-
-MAGIC_NRES = b"NRes"
-
-
-def _entry_payload(blob: bytes, entry: dict[str, Any]) -> bytes:
-    start = int(entry["data_offset"])
-    end = start + int(entry["size"])
-    return blob[start:end]
-
-
-def _parse_nres(blob: bytes, source: str) -> dict[str, Any]:
-    if blob[:4] != MAGIC_NRES:
-        raise RuntimeError(f"{source}: not an NRes payload")
-    return arv.parse_nres(blob, source=source)
-
-
-def _by_type(entries: list[dict[str, Any]]) -> dict[int, list[dict[str, Any]]]:
-    out: dict[int, list[dict[str, Any]]] = {}
-    for row in entries:
-        out.setdefault(int(row["type_id"]), []).append(row)
-    return out
-
-
-def _get_single(by_type: dict[int, list[dict[str, Any]]], type_id: int, label: str) -> dict[str, Any]:
-    rows = by_type.get(type_id, [])
-    if not rows:
-        raise RuntimeError(f"missing resource type {type_id} ({label})")
-    return rows[0]
-
-
-def _downsample_faces(
-    faces: list[tuple[int, int, int]],
-    max_faces: int,
-) -> list[tuple[int, int, int]]:
-    if max_faces <= 0 or len(faces) <= max_faces:
-        return faces
-    step = len(faces) / max_faces
-    out: list[tuple[int, int, int]] = []
-    pos = 0.0
-    while len(out) < max_faces and int(pos) < len(faces):
-        out.append(faces[int(pos)])
-        pos += step
-    return out
-
-
-def load_terrain_msh(
-    path: Path,
-    *,
-    max_faces: int,
-) -> tuple[list[tuple[float, float, float]], list[tuple[int, int, int]], dict[str, int]]:
-    blob = path.read_bytes()
-    parsed = _parse_nres(blob, str(path))
-    by_type = _by_type(parsed["entries"])
-
-    res3 = _get_single(by_type, 3, "positions")
-    res21 = _get_single(by_type, 21, "terrain faces")
-
-    pos_blob = _entry_payload(blob, res3)
-    if len(pos_blob) % 12 != 0:
-        raise RuntimeError(f"{path}: type 3 payload size is not divisible by 12")
-    vertex_count = len(pos_blob) // 12
-    positions = [struct.unpack_from("<3f", pos_blob, i * 12) for i in range(vertex_count)]
-
-    face_blob = _entry_payload(blob, res21)
-    if len(face_blob) % 28 != 0:
-        raise RuntimeError(f"{path}: type 21 payload size is not divisible by 28")
-    all_faces: list[tuple[int, int, int]] = []
-    raw_face_count = len(face_blob) // 28
-    dropped = 0
-    for i in range(raw_face_count):
-        off = i * 28
-        i0, i1, i2 = struct.unpack_from("<HHH", face_blob, off + 8)
-        if i0 >= vertex_count or i1 >= vertex_count or i2 >= vertex_count:
-            dropped += 1
-            continue
-        all_faces.append((i0, i1, i2))
-
-    faces = _downsample_faces(all_faces, max_faces)
-    meta = {
-        "vertex_count": vertex_count,
-        "face_count_raw": raw_face_count,
-        "face_count_valid": len(all_faces),
-        "face_count_rendered": len(faces),
-        "face_dropped_invalid": dropped,
-    }
-    return positions, faces, meta
-
-
-def load_areal_map(path: Path) -> tuple[list[dict[str, Any]], dict[str, int]]:
-    blob = path.read_bytes()
-    parsed = _parse_nres(blob, str(path))
-    by_type = _by_type(parsed["entries"])
-    chunk = _get_single(by_type, 12, "ArealMapGeometry")
-
-    payload = _entry_payload(blob, chunk)
-    areal_count = int(chunk["attr1"])
-    ptr = 0
-    areals: list[dict[str, Any]] = []
-    for idx in range(areal_count):
-        if ptr + 56 > len(payload):
-            raise RuntimeError(f"{path}: truncated areal header at index={idx}")
-        class_id = struct.unpack_from("<I", payload, ptr + 40)[0]
-        vertex_count, poly_count = struct.unpack_from("<II", payload, ptr + 48)
-        verts_off = ptr + 56
-        verts_size = 12 * vertex_count
-        if verts_off + verts_size > len(payload):
-            raise RuntimeError(f"{path}: areal[{idx}] vertices out of bounds")
-        verts = [struct.unpack_from("<3f", payload, verts_off + 12 * i) for i in range(vertex_count)]
-
-        links_off = verts_off + verts_size
-        links_size = 8 * (vertex_count + 3 * poly_count)
-        p = links_off + links_size
-        for _ in range(poly_count):
-            if p + 4 > len(payload):
-                raise RuntimeError(f"{path}: areal[{idx}] poly header out of bounds")
-            n = struct.unpack_from("<I", payload, p)[0]
-            p += 4 * (3 * n + 1)
-            if p > len(payload):
-                raise RuntimeError(f"{path}: areal[{idx}] poly data out of bounds")
-
-        areals.append(
-            {
-                "index": idx,
-                "class_id": class_id,
-                "vertices": verts,
-            }
-        )
-        ptr = p
-
-    if ptr + 8 > len(payload):
-        raise RuntimeError(f"{path}: missing cells section")
-    cells_x, cells_y = struct.unpack_from("<II", payload, ptr)
-    ptr += 8
-    for _x in range(cells_x):
-        for _y in range(cells_y):
-            if ptr + 2 > len(payload):
-                raise RuntimeError(f"{path}: cells section truncated")
-            hit_count = struct.unpack_from("<H", payload, ptr)[0]
-            ptr += 2 + 2 * hit_count
-            if ptr > len(payload):
-                raise RuntimeError(f"{path}: cells section out of bounds")
-    if ptr != len(payload):
-        raise RuntimeError(f"{path}: trailing bytes in chunk12 parse ({len(payload) - ptr})")
-
-    meta = {
-        "areal_count": areal_count,
-        "cells_x": cells_x,
-        "cells_y": cells_y,
-    }
-    return areals, meta
-
-
-def _color_for_class(class_id: int) -> tuple[int, int, int]:
-    x = (class_id * 1103515245 + 12345) & 0x7FFFFFFF
-    r = 60 + (x & 0x7F)
-    g = 60 + ((x >> 7) & 0x7F)
-    b = 60 + ((x >> 14) & 0x7F)
-    return r, g, b
-
-
-def _write_ppm(path: Path, width: int, height: int, rgb: bytearray) -> None:
-    path.parent.mkdir(parents=True, exist_ok=True)
-    with path.open("wb") as handle:
-        handle.write(f"P6\n{width} {height}\n255\n".encode("ascii"))
-        handle.write(rgb)
-
-
-def _write_obj(
-    path: Path,
-    terrain_positions: list[tuple[float, float, float]],
-    terrain_faces: list[tuple[int, int, int]],
-    areals: list[dict[str, Any]],
-    *,
-    include_areals: bool,
-) -> None:
-    path.parent.mkdir(parents=True, exist_ok=True)
-    with path.open("w", encoding="utf-8", newline="\n") as out:
-        out.write("# Exported by terrain_map_preview_renderer.py\n")
-        out.write("o terrain\n")
-        for x, y, z in terrain_positions:
-            out.write(f"v {x:.9g} {y:.9g} {z:.9g}\n")
-        for i0, i1, i2 in terrain_faces:
-            # OBJ indices are 1-based.
-            out.write(f"f {i0 + 1} {i1 + 1} {i2 + 1}\n")
-
-        if include_areals and areals:
-            base = len(terrain_positions)
-            area_vertex_counts: list[int] = []
-            out.write("o areal_edges\n")
-            for area in areals:
-                verts = area["vertices"]
-                area_vertex_counts.append(len(verts))
-                for x, y, z in verts:
-                    out.write(f"v {x:.9g} {y:.9g} {z:.9g}\n")
-
-            ptr = base
-            for area_idx, area in enumerate(areals):
-                cnt = area_vertex_counts[area_idx]
-                if cnt < 2:
-                    ptr += cnt
-                    continue
-                # closed polyline.
-                line = [str(ptr + i + 1) for i in range(cnt)]
-                line.append(str(ptr + 1))
-                out.write("l " + " ".join(line) + "\n")
-                ptr += cnt
-
-
-def _render_scene(
-    terrain_positions: list[tuple[float, float, float]],
-    terrain_faces: list[tuple[int, int, int]],
-    areals: list[dict[str, Any]],
-    *,
-    width: int,
-    height: int,
-    yaw_deg: float,
-    pitch_deg: float,
-    wireframe: bool,
-    areal_overlay: bool,
-) -> bytearray:
-    all_positions = list(terrain_positions)
-    if areal_overlay:
-        for area in areals:
-            all_positions.extend(area["vertices"])
-    if not all_positions:
-        raise RuntimeError("scene is empty")
-
-    xs = [p[0] for p in all_positions]
-    ys = [p[1] for p in all_positions]
-    zs = [p[2] for p in all_positions]
-    cx = (min(xs) + max(xs)) * 0.5
-    cy = (min(ys) + max(ys)) * 0.5
-    cz = (min(zs) + max(zs)) * 0.5
-    span = max(max(xs) - min(xs), max(ys) - min(ys), max(zs) - min(zs))
-    radius = max(span * 0.5, 1e-3)
-
-    yaw = math.radians(yaw_deg)
-    pitch = math.radians(pitch_deg)
-    cyaw = math.cos(yaw)
-    syaw = math.sin(yaw)
-    cpitch = math.cos(pitch)
-    spitch = math.sin(pitch)
-    camera_dist = radius * 3.2
-    scale = min(width, height) * 0.96
-
-    # Terrain transform cache.
-    vx: list[float] = []
-    vy: list[float] = []
-    vz: list[float] = []
-    sx: list[float] = []
-    sy: list[float] = []
-    for x, y, z in terrain_positions:
-        x0 = x - cx
-        y0 = y - cy
-        z0 = z - cz
-        x1 = cyaw * x0 + syaw * z0
-        z1 = -syaw * x0 + cyaw * z0
-        y2 = cpitch * y0 - spitch * z1
-        z2 = spitch * y0 + cpitch * z1 + camera_dist
-        if z2 < 1e-3:
-            z2 = 1e-3
-        vx.append(x1)
-        vy.append(y2)
-        vz.append(z2)
-        sx.append(width * 0.5 + (x1 / z2) * scale)
-        sy.append(height * 0.5 - (y2 / z2) * scale)
-
-    def project_point(x: float, y: float, z: float) -> tuple[float, float, float]:
-        x0 = x - cx
-        y0 = y - cy
-        z0 = z - cz
-        x1 = cyaw * x0 + syaw * z0
-        z1 = -syaw * x0 + cyaw * z0
-        y2 = cpitch * y0 - spitch * z1
-        z2 = spitch * y0 + cpitch * z1 + camera_dist
-        if z2 < 1e-3:
-            z2 = 1e-3
-        px = width * 0.5 + (x1 / z2) * scale
-        py = height * 0.5 - (y2 / z2) * scale
-        return px, py, z2
-
-    rgb = bytearray([14, 16, 20] * (width * height))
-    zbuf = [float("inf")] * (width * height)
-    light_dir = (0.35, 0.45, 1.0)
-    l_len = math.sqrt(light_dir[0] ** 2 + light_dir[1] ** 2 + light_dir[2] ** 2)
-    light = (light_dir[0] / l_len, light_dir[1] / l_len, light_dir[2] / l_len)
-
-    def edge(ax: float, ay: float, bx: float, by: float, px: float, py: float) -> float:
-        return (px - ax) * (by - ay) - (py - ay) * (bx - ax)
-
-    for i0, i1, i2 in terrain_faces:
-        x0 = sx[i0]
-        y0 = sy[i0]
-        x1 = sx[i1]
-        y1 = sy[i1]
-        x2 = sx[i2]
-        y2 = sy[i2]
-        area = edge(x0, y0, x1, y1, x2, y2)
-        if area == 0.0:
-            continue
-
-        ux = vx[i1] - vx[i0]
-        uy = vy[i1] - vy[i0]
-        uz = vz[i1] - vz[i0]
-        wx = vx[i2] - vx[i0]
-        wy = vy[i2] - vy[i0]
-        wz = vz[i2] - vz[i0]
-        nx = uy * wz - uz * wy
-        ny = uz * wx - ux * wz
-        nz = ux * wy - uy * wx
-        n_len = math.sqrt(nx * nx + ny * ny + nz * nz)
-        if n_len > 0.0:
-            nx /= n_len
-            ny /= n_len
-            nz /= n_len
-        intensity = nx * light[0] + ny * light[1] + nz * light[2]
-        if intensity < 0.0:
-            intensity = 0.0
-        shade = int(45 + 185 * intensity)
-        color = (min(255, shade + 6), min(255, shade + 14), min(255, shade + 28))
-
-        minx = int(max(0, math.floor(min(x0, x1, x2))))
-        maxx = int(min(width - 1, math.ceil(max(x0, x1, x2))))
-        miny = int(max(0, math.floor(min(y0, y1, y2))))
-        maxy = int(min(height - 1, math.ceil(max(y0, y1, y2))))
-        if minx > maxx or miny > maxy:
-            continue
-
-        z0 = vz[i0]
-        z1 = vz[i1]
-        z2 = vz[i2]
-        inv_area = 1.0 / area
-        for py in range(miny, maxy + 1):
-            fy = py + 0.5
-            row = py * width
-            for px in range(minx, maxx + 1):
-                fx = px + 0.5
-                w0 = edge(x1, y1, x2, y2, fx, fy)
-                w1 = edge(x2, y2, x0, y0, fx, fy)
-                w2 = edge(x0, y0, x1, y1, fx, fy)
-                if area > 0:
-                    if w0 < 0 or w1 < 0 or w2 < 0:
-                        continue
-                else:
-                    if w0 > 0 or w1 > 0 or w2 > 0:
-                        continue
-                bz0 = w0 * inv_area
-                bz1 = w1 * inv_area
-                bz2 = w2 * inv_area
-                depth = bz0 * z0 + bz1 * z1 + bz2 * z2
-                idx = row + px
-                if depth >= zbuf[idx]:
-                    continue
-                zbuf[idx] = depth
-                p = idx * 3
-                rgb[p + 0] = color[0]
-                rgb[p + 1] = color[1]
-                rgb[p + 2] = color[2]
-
-    def draw_line(
-        xa: float,
-        ya: float,
-        xb: float,
-        yb: float,
-        color: tuple[int, int, int],
-    ) -> None:
-        x0i = int(round(xa))
-        y0i = int(round(ya))
-        x1i = int(round(xb))
-        y1i = int(round(yb))
-        dx = abs(x1i - x0i)
-        sx_step = 1 if x0i < x1i else -1
-        dy = -abs(y1i - y0i)
-        sy_step = 1 if y0i < y1i else -1
-        err = dx + dy
-        x = x0i
-        y = y0i
-        while True:
-            if 0 <= x < width and 0 <= y < height:
-                p = (y * width + x) * 3
-                rgb[p + 0] = color[0]
-                rgb[p + 1] = color[1]
-                rgb[p + 2] = color[2]
-            if x == x1i and y == y1i:
-                break
-            e2 = 2 * err
-            if e2 >= dy:
-                err += dy
-                x += sx_step
-            if e2 <= dx:
-                err += dx
-                y += sy_step
-
-    if wireframe:
-        wf = (225, 232, 246)
-        for i0, i1, i2 in terrain_faces:
-            draw_line(sx[i0], sy[i0], sx[i1], sy[i1], wf)
-            draw_line(sx[i1], sy[i1], sx[i2], sy[i2], wf)
-            draw_line(sx[i2], sy[i2], sx[i0], sy[i0], wf)
-
-    if areal_overlay:
-        for area in areals:
-            verts = area["vertices"]
-            if len(verts) < 2:
-                continue
-            color = _color_for_class(int(area["class_id"]))
-            projected = [project_point(x, y, z + 0.35) for x, y, z in verts]
-            for i in range(len(projected)):
-                x0, y0, _ = projected[i]
-                x1, y1, _ = projected[(i + 1) % len(projected)]
-                draw_line(x0, y0, x1, y1, color)
-
-    return rgb
-
-
-def cmd_render(args: argparse.Namespace) -> int:
-    msh_path = Path(args.land_msh).resolve()
-    map_path = Path(args.land_map).resolve() if args.land_map else None
-    output_path = Path(args.output).resolve()
-
-    positions, faces, terrain_meta = load_terrain_msh(msh_path, max_faces=int(args.max_faces))
-    areals: list[dict[str, Any]] = []
-    map_meta: dict[str, int] = {"areal_count": 0, "cells_x": 0, "cells_y": 0}
-    if map_path:
-        areals, map_meta = load_areal_map(map_path)
-
-    rgb = _render_scene(
-        positions,
-        faces,
-        areals,
-        width=int(args.width),
-        height=int(args.height),
-        yaw_deg=float(args.yaw),
-        pitch_deg=float(args.pitch),
-        wireframe=bool(args.wireframe),
-        areal_overlay=bool(args.overlay_areals),
-    )
-    _write_ppm(output_path, int(args.width), int(args.height), rgb)
-
-    print(f"Rendered terrain : {msh_path}")
-    if map_path:
-        print(f"Areal overlay    : {map_path}")
-    print(f"Output           : {output_path}")
-    print(
-        "Terrain geometry : "
-        f"vertices={terrain_meta['vertex_count']}, "
-        f"faces={terrain_meta['face_count_rendered']}/{terrain_meta['face_count_valid']} "
-        f"(raw={terrain_meta['face_count_raw']}, dropped={terrain_meta['face_dropped_invalid']})"
-    )
-    if map_path:
-        print(
-            "Areal map        : "
-            f"areals={map_meta['areal_count']}, cells={map_meta['cells_x']}x{map_meta['cells_y']}"
-        )
-    return 0
-
-
-def cmd_export_obj(args: argparse.Namespace) -> int:
-    msh_path = Path(args.land_msh).resolve()
-    map_path = Path(args.land_map).resolve() if args.land_map else None
-    output_path = Path(args.output).resolve()
-
-    positions, faces, terrain_meta = load_terrain_msh(msh_path, max_faces=int(args.max_faces))
-    areals: list[dict[str, Any]] = []
-    if map_path and bool(args.include_areals):
-        areals, _ = load_areal_map(map_path)
-
-    _write_obj(
-        output_path,
-        positions,
-        faces,
-        areals,
-        include_areals=bool(args.include_areals),
-    )
-
-    areal_vertices = sum(len(a["vertices"]) for a in areals)
-    print(f"Terrain source   : {msh_path}")
-    if map_path:
-        print(f"Areal source     : {map_path}")
-    print(f"OBJ output       : {output_path}")
-    print(
-        "Terrain geometry : "
-        f"vertices={terrain_meta['vertex_count']}, "
-        f"faces={terrain_meta['face_count_rendered']}/{terrain_meta['face_count_valid']}"
-    )
-    if bool(args.include_areals):
-        print(f"Areal edges      : areals={len(areals)}, extra_vertices={areal_vertices}")
-    return 0
-
-
-def cmd_render_turntable(args: argparse.Namespace) -> int:
-    msh_path = Path(args.land_msh).resolve()
-    map_path = Path(args.land_map).resolve() if args.land_map else None
-    output_dir = Path(args.output_dir).resolve()
-    output_dir.mkdir(parents=True, exist_ok=True)
-
-    frames = int(args.frames)
-    if frames <= 0:
-        raise RuntimeError("--frames must be > 0")
-
-    positions, faces, terrain_meta = load_terrain_msh(msh_path, max_faces=int(args.max_faces))
-    areals: list[dict[str, Any]] = []
-    if map_path:
-        areals, _ = load_areal_map(map_path)
-
-    yaw_start = float(args.yaw_start)
-    yaw_end = float(args.yaw_end)
-    if frames == 1:
-        yaws = [yaw_start]
-    else:
-        step = (yaw_end - yaw_start) / (frames - 1)
-        yaws = [yaw_start + i * step for i in range(frames)]
-
-    prefix = str(args.prefix)
-    for i, yaw in enumerate(yaws):
-        rgb = _render_scene(
-            positions,
-            faces,
-            areals,
-            width=int(args.width),
-            height=int(args.height),
-            yaw_deg=yaw,
-            pitch_deg=float(args.pitch),
-            wireframe=bool(args.wireframe),
-            areal_overlay=bool(args.overlay_areals),
-        )
-        out = output_dir / f"{prefix}_{i:03d}.ppm"
-        _write_ppm(out, int(args.width), int(args.height), rgb)
-
-    print(f"Turntable source : {msh_path}")
-    if map_path:
-        print(f"Areal source     : {map_path}")
-    print(f"Output dir       : {output_dir}")
-    print(f"Frames           : {frames} ({yaws[0]:.3f} -> {yaws[-1]:.3f} yaw)")
-    print(
-        "Terrain geometry : "
-        f"vertices={terrain_meta['vertex_count']}, faces={terrain_meta['face_count_rendered']}"
-    )
-    return 0
-
-
-def cmd_render_batch(args: argparse.Namespace) -> int:
-    maps_root = Path(args.maps_root).resolve()
-    output_dir = Path(args.output_dir).resolve()
-    msh_paths = sorted(maps_root.rglob("Land.msh"))
-    if not msh_paths:
-        raise RuntimeError(f"no Land.msh files under {maps_root}")
-
-    rendered = 0
-    skipped = 0
-    for msh_path in msh_paths:
-        map_path = msh_path.with_name("Land.map")
-        if not map_path.exists():
-            skipped += 1
-            continue
-        rel = msh_path.parent.relative_to(maps_root)
-        out = output_dir / f"{rel.as_posix().replace('/', '__')}.ppm"
-        cmd_render(
-            argparse.Namespace(
-                land_msh=str(msh_path),
-                land_map=str(map_path),
-                output=str(out),
-                max_faces=args.max_faces,
-                width=args.width,
-                height=args.height,
-                yaw=args.yaw,
-                pitch=args.pitch,
-                wireframe=args.wireframe,
-                overlay_areals=args.overlay_areals,
-            )
-        )
-        rendered += 1
-
-    print(f"Batch summary: rendered={rendered}, skipped_no_map={skipped}, output_dir={output_dir}")
-    return 0
-
-
-def build_parser() -> argparse.ArgumentParser:
-    parser = argparse.ArgumentParser(
-        description="Software 3D terrain renderer (Land.msh + optional Land.map overlay)."
-    )
-    sub = parser.add_subparsers(dest="command", required=True)
-
-    render = sub.add_parser("render", help="Render one terrain map to PPM.")
-    render.add_argument("--land-msh", required=True, help="Path to Land.msh")
-    render.add_argument("--land-map", help="Path to Land.map (optional)")
-    render.add_argument("--output", required=True, help="Output .ppm path")
-    render.add_argument("--max-faces", type=int, default=220000, help="Face limit (default: 220000)")
-    render.add_argument("--width", type=int, default=1280, help="Image width (default: 1280)")
-    render.add_argument("--height", type=int, default=720, help="Image height (default: 720)")
-    render.add_argument("--yaw", type=float, default=38.0, help="Yaw angle in degrees (default: 38)")
-    render.add_argument("--pitch", type=float, default=26.0, help="Pitch angle in degrees (default: 26)")
-    render.add_argument("--wireframe", action="store_true", help="Draw terrain wireframe overlay")
-    render.add_argument(
-        "--overlay-areals",
-        action="store_true",
-        help="Draw ArealMap polygon overlay",
-    )
-    render.set_defaults(func=cmd_render)
-
-    export_obj = sub.add_parser("export-obj", help="Export terrain (and optional areal edges) to OBJ.")
-    export_obj.add_argument("--land-msh", required=True, help="Path to Land.msh")
-    export_obj.add_argument("--land-map", help="Path to Land.map (optional)")
-    export_obj.add_argument("--output", required=True, help="Output .obj path")
-    export_obj.add_argument("--max-faces", type=int, default=0, help="Face limit (0 = all)")
-    export_obj.add_argument(
-        "--include-areals",
-        action="store_true",
-        help="Export areal polygons as OBJ polyline object",
-    )
-    export_obj.set_defaults(func=cmd_export_obj)
-
-    turn = sub.add_parser("render-turntable", help="Render turntable frame sequence to PPM.")
-    turn.add_argument("--land-msh", required=True, help="Path to Land.msh")
-    turn.add_argument("--land-map", help="Path to Land.map (optional)")
-    turn.add_argument("--output-dir", required=True, help="Output directory for frames")
-    turn.add_argument("--prefix", default="frame", help="Frame filename prefix (default: frame)")
-    turn.add_argument("--frames", type=int, default=36, help="Frame count (default: 36)")
-    turn.add_argument("--yaw-start", type=float, default=0.0, help="Start yaw in degrees (default: 0)")
-    turn.add_argument("--yaw-end", type=float, default=360.0, help="End yaw in degrees (default: 360)")
-    turn.add_argument("--pitch", type=float, default=26.0, help="Pitch angle in degrees (default: 26)")
-    turn.add_argument("--max-faces", type=int, default=160000, help="Face limit (default: 160000)")
-    turn.add_argument("--width", type=int, default=960, help="Image width (default: 960)")
-    turn.add_argument("--height", type=int, default=540, help="Image height (default: 540)")
-    turn.add_argument("--wireframe", action="store_true", help="Draw terrain wireframe overlay")
-    turn.add_argument(
-        "--overlay-areals",
-        action="store_true",
-        help="Draw ArealMap polygon overlay",
-    )
-    turn.set_defaults(func=cmd_render_turntable)
-
-    batch = sub.add_parser("render-batch", help="Render all MAPS/**/Land.msh under root.")
-    batch.add_argument(
-        "--maps-root",
-        default="tmp/gamedata/DATA/MAPS",
-        help="Root directory with MAPS subfolders (default: tmp/gamedata/DATA/MAPS)",
-    )
-    batch.add_argument("--output-dir", required=True, help="Directory for output PPM files")
-    batch.add_argument("--max-faces", type=int, default=90000, help="Face limit per map (default: 90000)")
-    batch.add_argument("--width", type=int, default=960, help="Image width (default: 960)")
-    batch.add_argument("--height", type=int, default=540, help="Image height (default: 540)")
-    batch.add_argument("--yaw", type=float, default=38.0, help="Yaw angle in degrees (default: 38)")
-    batch.add_argument("--pitch", type=float, default=26.0, help="Pitch angle in degrees (default: 26)")
-    batch.add_argument("--wireframe", action="store_true", help="Draw terrain wireframe overlay")
-    batch.add_argument(
-        "--overlay-areals",
-        action="store_true",
-        help="Draw ArealMap polygon overlay",
-    )
-    batch.set_defaults(func=cmd_render_batch)
-
-    return parser
-
-
-def main() -> int:
-    parser = build_parser()
-    args = parser.parse_args()
-    return int(args.func(args))
-
-
-if __name__ == "__main__":
-    raise SystemExit(main())