public String fetchRoflDownloadUrl(UInt64 matchId)
{
IntPtr funcAddr = _leagueClientMemoryEditor.AllocateMemory(asm.Length);
//Structs not packed so 0x18 instead of 0x14 and 0xC is skipped
IntPtr paramsAddr = _leagueClientMemoryEditor.AllocateMemory(0x18);
//Write our custom function
_leagueClientMemoryEditor.WriteBytes(funcAddr, asm);
//Function Address is the address which our custom asm calls
_leagueClientMemoryEditor.WriteUInt32(paramsAddr, _functionAddress);
//Class Address is ECX, a class which is initialized which gets passed in to above function
_leagueClientMemoryEditor.WriteUInt32(paramsAddr + 0x4, _classAddress);
//Successful call will place a ptr to the download link here
_leagueClientMemoryEditor.WriteUInt32(paramsAddr + 0x8, 0);
//+16 (0x10) not +12 (0xC) because it wasnt packed, MatchID is a MatchID
_leagueClientMemoryEditor.WriteUInt64(paramsAddr + 0x10, matchId);
//Call Func and wait for completion
_leagueClientMemoryEditor.WaitForSingleObject(_leagueClientMemoryEditor.CreateRemoteThread(funcAddr, paramsAddr));
IntPtr downloadUrlIntPtr;
//Read the download Ptr
_leagueClientMemoryEditor.ReadIntPtr(paramsAddr + 0x8, out downloadUrlIntPtr);
String downloadUrl = "";
//If its null then call failed, Match Might not exist, User might not be logged in etc
if (downloadUrlIntPtr != IntPtr.Zero)
{
_leagueClientMemoryEditor.ReadNullTerminatedString(downloadUrlIntPtr, out downloadUrl);
}
//Free Memory of the ones we allocated and also the injected function
//TODO: Get LeagueClient to free the memory of the download URL though this is minor, though still a memory leak
//TODO: Potentially just allocated and reuse memory once?
_leagueClientMemoryEditor.FreeMemory(funcAddr);
_leagueClientMemoryEditor.FreeMemory(paramsAddr);
return(downloadUrl);
}