namespace Roboto.Memory;

/// <summary>
/// Shared state for all memory reader classes. Holds the process handle, offsets, registry,
/// and resolved module/GameState base addresses.
/// </summary>
public sealed class MemoryContext
{
    public ProcessMemory Memory { get; }
    public GameOffsets Offsets { get; }
    public ObjectRegistry Registry { get; }
    public nint ModuleBase { get; set; }
    public int ModuleSize { get; set; }
    public nint GameStateBase { get; set; }

    public MemoryContext(ProcessMemory memory, GameOffsets offsets, ObjectRegistry registry)
    {
        Memory = memory;
        Offsets = offsets;
        Registry = registry;
    }

    public bool IsModuleAddress(nint value)
    {
        return ModuleBase != 0 && ModuleSize > 0 &&
               value >= ModuleBase && value < ModuleBase + ModuleSize;
    }

    public bool IsValidHeapPtr(nint ptr)
    {
        if (ptr == 0) return false;
        var high = (ulong)ptr >> 32;
        return high > 0 && high < 0x7FFF && (ptr & 0x3) == 0;
    }
}