import os, sys, struct
sys.path.insert(0, r'C:\VWE\TeslaRel410\dpl3-revive\patha')
os.environ.setdefault('SDL_VIDEODRIVER', 'dummy')
import numpy as np
from vrboard import VirtualBoard, Msg, A
from vrview import Renderer

data = open(sys.argv[1], 'rb').read()
board = VirtualBoard()
off = 0
while off + 8 <= len(data):
    if data[off:off + 4] != b'VPXM':
        off += 1; continue
    ln = struct.unpack_from('<I', data, off + 4)[0]
    body = data[off + 8:off + 8 + ln]; off += 8 + ln
    if len(body) >= 4:
        a = struct.unpack_from('<I', body, 0)[0]
        if a < 0x100:
            try: board.handle(Msg(False, 0xff, a, body[4:]))
            except Exception: pass

r = Renderer(w=832, h=512)
c = r.cache; c.maybe_rebuild(board)
print('munga', board.munga, 'view', hex(c.view) if c.view else None,
      'cam_chain', [hex(h) for h in c.cam_chain])
np.set_printoptions(suppress=True)
try:
    cam = r.cam_matrix(board)
    print('DAVE cam eye', cam[3, :3].round(1),
          'back(+z)row', cam[2, :3].round(3), '(camera looks -back)')
except Exception as e:
    print('DAVE cam err', e)

# geometry world centroid + bounds
pts = []
for inst in c.instances:
    M = r.chain_matrix(board, inst['chain'])
    if np.all(np.isfinite(M[3, :3])): pts.append(M[3, :3])
pts = np.array(pts)
print('GEOM centroid', pts.mean(0).round(1),
      'min', pts.min(0).round(1), 'max', pts.max(0).round(1))

# the animated vehicle poses (0x1f) -- the player camera should be one of these
print('anim_abs vehicles:', len(board.anim_abs))
for h, f in list(board.anim_abs.items()):
    R = np.array(f[:9]).reshape(3, 3); t = np.array(f[9:12])
    print('  veh', hex(h), 'pos', t.round(1),
          'Zrow', R[2].round(3), 'is_cam_chain', h in c.cam_chain)