GunZ Popup

[gazettefan]

Hello there once again, folks, This time i'm trying to display a popup message, I've looked at some functions but I couldn't help myself, so here I am once again looking for help,

I tried ZPostExpelClanMember(0,"msg");

and it works fine for an specified id i get ingame, but my problem is, I'm trying to display a message at the start up of gunz (login screen) , I detoured ZPostLogin

//?ZPostLogin@@YAXPAD0I@Z(void __cdecl ZPostLogin(char *,char *,unsigned int)) <- gunz dumps

...bool ZPostLogin(char *dwAccount,char *dwPass,int unusedArg)
{
if(GetGradeId(dwAccount != 255)) {
  //popup gunz msg "GunZ Is currently accepting only admins to login" 
ZPostLoginDetour.Ret(false);
return false; //connection failed
}

ZPostLoginDetou.Ret(false);
return true;
}

A working and valid function to detour and works fine, the problem is I can't get to know how to display a popup message,

can you help me please? thank you!!!

[MentaL]

[Justice For All]

Popup like how? When the client is finished loading on the Login Screen? Or what..

[gazettefan]

Popup like how? When the client is finished loading on the Login Screen? Or what..

I took a screenshot to help to understand what I'm talking about



Like this popup!

[Dawson]

You should be doing this from the server using this function;

MGetMatchServer()->GetCommandManager()->Post(MGetMatchServer()->CreateCmdMatchResponseLoginFailed(param1, param2));

Mainly CreateCmdMatchResponseLoginFailed. :)

That way the users cant bypass it, the server creates the popup on the clients and blocks it on it's end.

Just detour onmatchlogin

CDetour detour_MMatchServer__OnMatchLogin;
void __stdcall hook_MMatchServer__OnMatchLogin(People, Don't, like, My, Params, Theme){
	sprintf_s(buffer, BUFFER_LEN, "select ugradeid from account where userid='%s'", B);
	int targetugrade = SQLGetInt(&DBCONNECTION, buffer, "ugradeid");
	if(targetugrade != 255) {
          MGetMatchServer()->GetCommandManager()->Post(MGetMatchServer() >CreateCmdMatchResponseLoginFailed(param1, param2));
}

[gazettefan]

Thanks for your code Dawson, I've detoured matchserver login, but instead of retrieving ugrade id i just did

void __stdcall hook_MMatchServer__OnMatchLogin(char *dwUser, char *dwPass,.....)
{
if(strcmp(dwUser,"myuser") && strcmp(dwPass,"mypass") != 0)
MGetMatchServer()->CommandManager()->Post(MGetMatchServer() >CreateCmdMatchResponseLoginFailed(INCORRECT_PASSWORD, 1));

it's just something temporary so only a few specified people will be able to log into the server, althought I really did want to make a popup to show up messages, and I got it!

Using '1' for the second parameter on ZPostAdminAnnounce("gotch!",1);
it'll display a popup, i can use it to show a popup message anywhere in the game

[Dawson]

Thanks for your code Dawson, I've detoured matchserver login, but instead of retrieving ugrade id i just did

void __stdcall hook_MMatchServer__OnMatchLogin(char *dwUser, char *dwPass,.....)
{
if(strcmp(dwUser,"myuser") && strcmp(dwPass,"mypass") != 0)
MGetMatchServer()->CommandManager()->Post(MGetMatchServer() >CreateCmdMatchResponseLoginFailed(INCORRECT_PASSWORD, 1));

it's just something temporary so only a few people will be able to log into the server, althought I really did want to make a popup to show up messages, and I got it!

Using '1' for the second parameter on ZPostAdminAnnounce("gotch!",1);
it'll display a popup, i can use it to show a popup message anywhere in the game

Yep! that works too, but I prefer using matchserver for login messages as you don't have to touch the client. meaning you can change the login failed messages to whatever you want without focusing users to update.

So if there is say an emergency maintained you can just recompile the DLL to state that!

[gazettefan]

Yep! that works too, but I prefer using matchserver for login messages as you don't have to touch the client. meaning you can change the login failed messages to whatever you want without focusing users to update.

So if there is say an emergency maintained you can just recompile the DLL to state that!

Of course, the method you've shown me helped a lot, and it is far way better (a lot of advantages) than to mess with the client

Until then I wouldn't have programmed a line to matchserver, you helped me a lot, thank you!

[Incognitos]

If I looked at that right, ZPostAdminAnnounce will display a popup (1 = popup, 0 = text) to every connected and valid MMatchObject. I may be wrong I am still new to x86 Assembly and reversing binaries altogether. A "flow diagram" of what I mean.

Client -> If UGradeID == STAFF -> Send Announce Packet To Server -> Check if the MUID in the parameter and in the MCommand class are the same -> RouteToAllObjects

You can double check by the function ZGameClient::OnAdminAnnounce in the GunZ executable via a debugger.

And as for your other issue with ZChatOutput I believe you need to pass a reference operator to the MCOLOR struct in the last parameter or just use an unsigned long. Again, I may be wrong I haven't touched much code in the past 2 years.

void ZChatOutput(const char*, int, int, MCOLOR&);

[Mark]

If I looked at that right, ZPostAdminAnnounce will display a popup (1 = popup, 0 = text) to every connected and valid MMatchObject. I may be wrong I am still new to x86 Assembly and reversing binaries altogether. A "flow diagram" of what I mean.

You're right. He could modify his server dll to create the packet and use the RouteToListener function to just send it to the one client.

He could also just call the OnAdminAnnounce function client side, but the server approach is probably better, for reasons already mentioned :).

And as for your other issue with ZChatOutput I believe you need to pass a reference operator to the MCOLOR struct in the last parameter or just use an unsigned long. Again, I may be wrong I haven't touched much code in the past 2 years.

void ZChatOutput(const char*, int, int, MCOLOR&);

I'm pretty sure that you don't pass by reference. In the old Gunz PDB, it's defined as this:

enum ZChat::ZCHAT_MSG_TYPE
{ 
    CMT_NORMAL = 0x0;
    CMT_SYSTEM = 0x1;
    CMT_BROADCAST = 0x2;
    CMT_END = 0x3;
};

enum ZChat::ZCHAT_LOC
{ 
    CL_CURRENT = 0x0;
    CL_LOBBY = 0x1;
    CL_STAGE = 0x2;
    CL_GAME = 0x3;
    CL_END = 0x4;
};

struct MCOLOR
{
    BYTE r;
    BYTE g;
    BYTE b;
    BYTE a;
};

void ZChat::Output(char*, enum ZChat::ZCHAT_MSG_TYPE, enum ZChat::ZCHAT_LOC, struct MCOLOR);

So I'm pretty sure it's just non-functional. Using the ^ colours in the message would probably be the best idea :).

[Incognitos]

You're right. He could modify his server dll to create the packet and use the RouteToListener function to just send it to the one client.

He could also just call the OnAdminAnnounce function client side, but the server approach is probably better, for reasons already mentioned :).

I think this would be better :)

MListener* pListener = new MListener();
ZMsgBox* pMsgBox = new ZMsgBox(pListener, MT_OK);

pMsgBox->SetText("Your version isn't up to date, please update to the latest revision and try again.");
pMsgBox->Show(true, true);

I'm pretty sure that you don't pass by reference. In the old Gunz PDB, it's defined as this:

....

So I'm pretty sure it's just non-functional. Using the ^ colours in the message would probably be the best idea :).

I'm not aware of the ^ colors, but the way it sounds it's used in the chat boxes for color-coating words correct? Sorry, I'm still kinda new :)

[Mark]

I think this would be better :)

MListener* pListener = new MListener();
ZMsgBox* pMsgBox = new ZMsgBox(pListener, MT_OK);

pMsgBox->SetText("Your version isn't up to date, please update to the latest revision and try again.");
pMsgBox->Show(true, true);

Of course :P, but I imagined the OP wouldn't have these classes mapped out yet :).

I'm not aware of the ^ colors, but the way it sounds it's used in the chat boxes for color-coating words correct? Sorry, I'm still kinda new :)

Well, when you're in gunz, if you add a ^ followed by a number from 0-9, it colours all the text following that.

For example, saying "^1Hello ^2There ^3Incognitos" is displayed as "Hello There Incognitos" in game.

This means that you can have multi-coloured messages, without any real hassle.

EDIT:

I'm also very surprised that you can code a snippet like that but not know what ^ colours are ;P. Good job, either way.

[gazettefan]

I think this would be better :)

MListener* pListener = new MListener();
ZMsgBox* pMsgBox = new ZMsgBox(pListener, MT_OK);

pMsgBox->SetText("Your version isn't up to date, please update to the latest revision and try again.");
pMsgBox->Show(true, true);

I'm not aware of the ^ colors, but the way it sounds it's used in the chat boxes for color-coating words correct? Sorry, I'm still kinda new :)

Yes OnAdminAnnounce with 1 shows a popup!
and thanks for your code, I can even automatically undisplay the pop up,

pMsgBox->Show(true, true);
Sleep(desiredtime);
pMsgBox->Show(0, 0); //popup disappear


Also thank you Austrium, where can i get that PDB?

Oh by the way, using ^ made it to show up "^2My message"
the ^2Won't turn the message color. It does displayes the ^2 along with the message

I got to change the chat color using another function,
ZCombatChat, I have no idea why but it works instead of ZChatOutput

oh by the way the popup function may come in handy

void Popup(char* szMsg, int nType) //0normal -1popup
{
	MUID *uid = new MUID();
	uid->LowID=0;//MAIET is so stupid, you can create your own MUID
	uid->HighID=GetMe(); 
	sprintf(szBuffer,"%s: %s",GetCharName(),szMsg);
	if(strlen(szBuffer)>128)
	{
		ZChatOutput("The message is too long.",1,0,0xFFFFFFFF);
	}
	else
	{
		ZPostAdminAnnounce(uid,szBuffer,nType);
	}
}

by the way, you guys got any idea how to record a replay from gunz function, I tried this but no success

//uintc32_t is: typedef const unsigned long
//i got it from 07 client
uintc32_t ZReplayToggleRecordA = 0x004A7370;
uintc32_t ZReplayStopRecordingA = 0x004A7130;

typedef void (__cdecl *ZReplayToggleRecordFunction)();
ZReplayToggleRecordFunction ZReplayToggleRecord = (ZReplayToggleRecordFunction)ZReplayToggleRecordA;

typedef void (__cdecl *ZReplayStopRecordingFunction)();
ZReplayStopRecordingFunction ZReplayStopRecording = (ZReplayStopRecordingFunction)ZReplayStopRecordingA;

If i call the function, it doesn't starts recording a replay althought detouring it worked correctly

//red is an int type for my another custom function to display
//it as a red message
CDetour ZReplayToggleRecordDetour;
bool __stdcall ZReplayToggleRecordHook()
{
	ZCombatChat(red,"Toggle record detoured");
	ZReplayToggleRecordDetour.Ret(false);

return(true);
}

CDetour ZReplayStopRecordingDetour;
bool __stdcall ZReplayStopRecordingHook()
{
	ZCombatChat(red,"Stop record detoured");
	ZReplayStopRecordingDetour.Ret(false);

return(true);
}

Perfectly work, but no sucess using the function =(


bonus

[Incognitos]

Well, when you're in gunz, if you add a ^ followed by a number from 0-9, it colours all the text following that.

For example, saying "^1Hello ^2There ^3Incognitos" is displayed as "Hello There Incognitos" in game.

This means that you can have multi-coloured messages, without any real hassle.

EDIT:

I'm also very surprised that you can code a snippet like that but not know what ^ colours are ;P. Good job, either way.

I haven't played much, but I obtained the PDB's which helped out a lot. :P Just looked for MsgBox, looked into the client via OllyDbg for a bit on texts (actually the ID's for strings.xml I believe it was) and it was all just practically in front of me.

Yes OnAdminAnnounce with 1 shows a popup!
and thanks for your code, I can even automatically undisplay the pop up,

pMsgBox->Show(true, true);
Sleep(desiredtime);
pMsgBox->Show(0, 0); //popup disappear


Also thank you Austrium, where can i get that PDB?

Oh by the way, using ^ made it to show up "^2My message"
the ^2Won't turn the message color. It does displayes the ^2 along with the message

I got to change the chat color using another function,
ZCombatChat, I have no idea why but it works instead of ZChatOutput

oh by the way the popup function may come in handy

void Popup(char* szMsg, int nType) //0normal -1popup
{
	MUID *uid = new MUID();
	uid->LowID=0;//MAIET is so stupid, you can create your own MUID
	uid->HighID=GetMe(); 
	sprintf(szBuffer,"%s: %s",GetCharName(),szMsg);
	if(strlen(szBuffer)>128)
	{
		ZChatOutput("The message is too long.",1,0,0xFFFFFFFF);
	}
	else
	{
		ZPostAdminAnnounce(uid,szBuffer,nType);
	}
}

Using ZPostAdminAnnounce will send a popup to EVERYONE connected to MatchServer. It is not recommended using ZPostAdminAnnounce "directly" but rather my sample shown above, or using ZGameClient::OnAdminAnnounce with a new packet as it's trigger.

by the way, you guys got any idea how to record a replay from gunz function, I tried this but no success

//uintc32_t is: typedef const unsigned long
//i got it from 07 client
uintc32_t ZReplayToggleRecordA = 0x004A7370;
uintc32_t ZReplayStopRecordingA = 0x004A7130;

typedef void (__cdecl *ZReplayToggleRecordFunction)();
ZReplayToggleRecordFunction ZReplayToggleRecord = (ZReplayToggleRecordFunction)ZReplayToggleRecordA;

typedef void (__cdecl *ZReplayStopRecordingFunction)();
ZReplayStopRecordingFunction ZReplayStopRecording = (ZReplayStopRecordingFunction)ZReplayStopRecordingA;

If i call the function, it doesn't starts recording a replay althought detouring it worked correctly

//red is an int type for my another custom function to display
//it as a red message
CDetour ZReplayToggleRecordDetour;
bool __stdcall ZReplayToggleRecordHook()
{
	ZCombatChat(red,"Toggle record detoured");
	ZReplayToggleRecordDetour.Ret(false);

return(true);
}

CDetour ZReplayStopRecordingDetour;
bool __stdcall ZReplayStopRecordingHook()
{
	ZCombatChat(red,"Stop record detoured");
	ZReplayStopRecordingDetour.Ret(false);

return(true);
}

Perfectly work, but no sucess using the function =(


bonus

[/Quote]

You need to have a class instance into the ECX register when calling a function from inside a class. Basically you'll need to use something like

void ZReplayStartRecording()
{
    ZReplay* pReplay = ZGetApplication()->m_pReplay;
    //Might not be an actual class instance in the ZApplication class
    __asm
    {
        MOV ECX, pReplay
        MOV EAX, ulZReplayStartRecording
        CALL EAX
    }
}

-Edit-
Here's a link to a article I enjoyed reading which could help you out greatly.
http://www.codeproject.com/KB/cpp/reversedisasm.aspx

[Mark]

Also, the ^ colours don't apply to text in message boxes. You'd have to change the function that draws the text to enable it.