using System;

using System.Drawing;

using System.Globalization;

using ReClassNET.Extensions;

using ReClassNET.Memory;

using ReClassNET.UI;

using ReClassNET.Util;

namespace ReClassNET.Nodes

{

public class ClassPtrNode : BaseReferenceNode

{

private readonly MemoryBuffer memory = new MemoryBuffer();

public override int MemorySize => IntPtr.Size;

public override bool PerformCycleCheck => false;

public override void Intialize()

{

var node = ClassNode.Create();

node.Intialize();

node.AddBytes(64);

InnerNode = node;

}

public override Size Draw(ViewInfo view, int x, int y)

{

if (IsHidden)

{

return DrawHidden(view, x, y);

}

DrawInvalidMemoryIndicator(view, y);

var origX = x;

var origY = y;

AddSelection(view, x, y, view.Font.Height);

x = AddOpenClose(view, x, y);

x = AddIcon(view, x, y, Icons.Pointer, -1, HotSpotType.None);

var tx = x;

x = AddAddressOffset(view, x, y);

x = AddText(view, x, y, view.Settings.TypeColor, HotSpot.NoneId, "Ptr") + view.Font.Width;

x = AddText(view, x, y, view.Settings.NameColor, HotSpot.NameId, Name) + view.Font.Width;

x = AddText(view, x, y, view.Settings.ValueColor, HotSpot.NoneId, $"<{InnerNode.Name}>") + view.Font.Width;

x = AddIcon(view, x, y, Icons.Change, 4, HotSpotType.ChangeType) + view.Font.Width;

var ptr = view.Memory.ReadIntPtr(Offset);

x = AddText(view, x, y, view.Settings.OffsetColor, HotSpot.NoneId, "->") + view.Font.Width;

x = AddText(view, x, y, view.Settings.ValueColor, 0, "0x" + ptr.ToString(Constants.AddressHexFormat)) + view.Font.Width;

x = AddComment(view, x, y);

AddTypeDrop(view, y);

AddDelete(view, y);

y += view.Font.Height;

var size = new Size(x - origX, y - origY);

if (levelsOpen[view.Level])

{

memory.Size = InnerNode.MemorySize;

memory.Process = view.Memory.Process;

memory.Update(ptr);

var v = view.Clone();

v.Address = ptr;

v.Memory = memory;

var innerSize = InnerNode.Draw(v, tx, y);

size.Width = Math.Max(size.Width, innerSize.Width + tx - origX);

size.Height += innerSize.Height;

}

return size;

}

public override int CalculateDrawnHeight(ViewInfo view)

{

if (IsHidden)

{

return HiddenHeight;

}

var height = view.Font.Height;

if (levelsOpen[view.Level])

{

height += InnerNode.CalculateDrawnHeight(view);

}

return height;

}

public override void Update(HotSpot spot)

{

base.Update(spot);

if (spot.Id == 0)

{

if (spot.Text.TryGetHexString(out var hexValue) && long.TryParse(hexValue, NumberStyles.HexNumber, null, out var val))

{

#if RECLASSNET64

var address = (IntPtr)val;

#else

var address = (IntPtr)unchecked((int)val);

#endif

spot.Memory.Process.WriteRemoteMemory(spot.Address, address);

}

}

}

}

}