122 lines
3.6 KiB
C#
122 lines
3.6 KiB
C#
/*************************************************************************
|
|
* ModernUO *
|
|
* Copyright 2019-2026 - ModernUO Development Team *
|
|
* Email: hi@modernuo.com *
|
|
* File: BaseGump.cs *
|
|
* *
|
|
* This program is free software: you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation, either version 3 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
|
|
*************************************************************************/
|
|
|
|
using Server.Network;
|
|
using System;
|
|
using System.Buffers;
|
|
using System.Runtime.CompilerServices;
|
|
|
|
namespace Server.Gumps;
|
|
|
|
public abstract class BaseGump
|
|
{
|
|
private static readonly byte[] _packetBuffer = GC.AllocateUninitializedArray<byte>(0x10000);
|
|
private static Serial nextSerial = (Serial)1;
|
|
|
|
public int TypeID { get; protected set; }
|
|
public Serial Serial { get; protected set; }
|
|
|
|
public abstract int Switches { get; }
|
|
public abstract int TextEntries { get; }
|
|
|
|
public int X { get; set; }
|
|
public int Y { get; set; }
|
|
|
|
/**
|
|
* If true, only one instance of this gump can be open at a time per player.
|
|
*/
|
|
public virtual bool Singleton => false;
|
|
|
|
public BaseGump(int x, int y) : this()
|
|
{
|
|
X = x;
|
|
Y = y;
|
|
}
|
|
|
|
public BaseGump()
|
|
{
|
|
Serial = nextSerial++;
|
|
TypeID = GetTypeId(GetType());
|
|
}
|
|
|
|
public virtual void SendTo(NetState ns)
|
|
{
|
|
var writer = new SpanWriter(_packetBuffer);
|
|
Compile(ref writer);
|
|
|
|
ns.Send(writer.Span);
|
|
|
|
writer.Dispose();
|
|
}
|
|
|
|
public abstract void Compile(ref SpanWriter writer);
|
|
|
|
public virtual void OnResponse(NetState sender, in RelayInfo info)
|
|
{
|
|
}
|
|
|
|
public virtual void OnServerClose(NetState owner)
|
|
{
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static int GetTypeId(Type type)
|
|
{
|
|
unchecked
|
|
{
|
|
// To use the original .NET Framework deterministic hash code (with really terrible performance)
|
|
// change the next line to use HashUtility.GetNetFrameworkHashCode
|
|
var hash = (int)HashUtility.ComputeHash32(type?.FullName);
|
|
|
|
const int primeMulti = 0x108B76F1;
|
|
|
|
// Virtue Gump
|
|
return hash == 461 ? hash * primeMulti : hash;
|
|
}
|
|
}
|
|
|
|
public static Point2D GetItemGraphicOffset(int itemId)
|
|
{
|
|
var (width, height) = ItemBounds.Sizes[itemId];
|
|
var x = 0;
|
|
var y = 0;
|
|
|
|
if (width > 44)
|
|
{
|
|
x -= (width - 44) / 2;
|
|
}
|
|
else if (width < 44)
|
|
{
|
|
x += (44 - width) / 2;
|
|
}
|
|
|
|
if (height > 44)
|
|
{
|
|
y -= height - 44;
|
|
}
|
|
else if (height < 44)
|
|
{
|
|
y += 44 - height;
|
|
}
|
|
|
|
return new Point2D(x, y);
|
|
}
|
|
|
|
public static Point2D GetGumpOffsetForItemGraphic(int itemId, int relativeX, int relativeY)
|
|
{
|
|
var offset = GetItemGraphicOffset(itemId);
|
|
return new Point2D(relativeX * 22 - relativeY * 22 + offset.X, relativeX * 22 + relativeY * 22 + offset.Y);
|
|
}
|
|
}
|