"""Inspect AreaInstance around 0x610 (Terrain dimensions 1157 x 844).
"""
import ctypes
import ctypes.wintypes as w
import struct
import subprocess

k32 = ctypes.WinDLL("kernel32", use_last_error=True)
k32.OpenProcess.restype = w.HANDLE
k32.ReadProcessMemory.argtypes = [
    w.HANDLE, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_size_t, ctypes.POINTER(ctypes.c_size_t)
]
k32.ReadProcessMemory.restype = w.BOOL

def rpm(h, addr, size):
    buf = (ctypes.c_ubyte * size)()
    got = ctypes.c_size_t(0)
    if not k32.ReadProcessMemory(h, ctypes.c_void_p(addr), buf, size, ctypes.byref(got)):
        return None
    return bytes(buf[: got.value])

out = subprocess.check_output(['powershell', '-Command', '(Get-Process -Name *PathOfExile*).Id'])
pid = int(out.decode().split()[0])
h = k32.OpenProcess(0x1F0FFF, False, pid)

ai = 0x485c4c75000
data = rpm(h, ai + 0x600, 0x100)

print(f"=== AreaInstance + 0x600 Dump ===")
for off in range(0, 0x100, 8):
    q = struct.unpack_from("<Q", data, off)[0]
    u1, u2 = struct.unpack_from("<II", data, off)
    f1, f2 = struct.unpack_from("<ff", data, off)
    print(f"  +0x{0x600+off:x}: QWORD={q:#018x} | u32=({u1}, {u2}) | f=({f1:.3f}, {f2:.3f})")