// get unit from the global unit list
private D2Unit UnitByTypeAndGuid(D2UnitType type, int guid)
{
if (memory.Units114 != null)
{
// 1.14
// for 1.14d see around game.463940
int size = Marshal.SizeOf(typeof(D2GameUnitList));
var addr = (IntPtr)memory.Units114 + (int)type * size;
var list = reader.Read <D2GameUnitList>(addr);
DataPointer unitAddress = list[guid & 0x7F];
return(UnitByGuid(unitAddress, guid));
}
if (memory.Units113 != null)
{
// 1.13
// for 1.13d see function D2Client.dll+89CE0
// for 1.13c see function around D2Client.QueryInterface+FB14
var unitAddrPointer = (IntPtr)memory.Units113 + (int)(guid & 0x7F) * 4;
var addr = reader.ReadAddress32(unitAddrPointer);
return(UnitByGuid(addr, guid));
}
return(null);
}
private IEnumerable <D2Unit> IterateUnits(D2UnitType type)
{
if (memory.Units114 != null)
{
// 1.14
// for 1.14d see around game.463940
int size = Marshal.SizeOf(typeof(D2GameUnitList));
var addr = (IntPtr)memory.Units114 + (int)type * size;
var list = reader.Read <D2GameUnitList>(addr);
foreach (var unitAddr in list.Units)
{
if (unitAddr.IsNull)
{
continue;
}
var unit = reader.Read <D2Unit>(unitAddr);
while (unit != null)
{
if (unit.eType != type)
{
break;
}
yield return(unit);
if (unit.pPrevUnit.IsNull)
{
break;
}
unit = reader.Read <D2Unit>(unit.pPrevUnit);
}
;
}
}
if (memory.Units113 != null)
{
// 1.13
// for 1.13d see function D2Client.dll+89CE0
// for 1.13c see function around D2Client.QueryInterface+FB14
for (var guid = 0; guid <= 0x7F; guid++)
{
var unitAddrPointer = (IntPtr)memory.Units113 + (int)(guid & 0x7F) * 4;
var unitAddr = reader.ReadAddress32(unitAddrPointer);
if ((long)unitAddr == 0)
{
continue;
}
var unit = reader.Read <D2Unit>(unitAddr);
while (unit != null)
{
if (unit.eType != type)
{
break;
}
yield return(unit);
if (unit.pPrevUnit.IsNull)
{
break;
}
unit = reader.Read <D2Unit>(unit.pPrevUnit);
}
;
}
}
}
// 1.14d: see game.552F60
// get unit from the game unit list
private D2Unit UnitByTypeAndGuid(D2Game game, D2UnitType type, int guid)
{
DataPointer unitAddress = game.UnitLists[(int)type][guid & 0x7F];
return(UnitByGuid(unitAddress, guid));
}
