AlliedModders - How to hook on late load? [Solved]

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AlliedModders (https://forums.alliedmods.net/index.php)

- Scripting (https://forums.alliedmods.net/forumdisplay.php?f=107)

- - How to hook on late load? [Solved] (https://forums.alliedmods.net/showthread.php?t=256385)

EngHell

01-25-2015 15:29

How to hook on late load? [Solved]

I have done this to hook the players picking items when theres a knife round, everything is working fine except it let players get droped items, but since i did a late load of the plugin, i think thats why it's not working, because i did the hook OnClientPutInServer() that is why the plugin is not working well, but since i ussually load and unload plugins every x time, i'll like to get a way to handle it, theres the code:

PHP Code:


		
			
public OnClientPutInServer(client) {
    SDKHook(client, SDKHook_WeaponCanUse, BlockPickup);
}

public OnClientDisconnect(client) {
    SDKUnhook(client, SDKHook_WeaponCanUse, BlockPickup);
}

and

PHP Code:


		
			
public Action:BlockPickup(client, weapon){
    if (g_enabled && g_isKnifeRound) {
        PrintHintText(client, "%t","Knife round is enabled");
        return Plugin_Handled;
    }
    return Plugin_Continue;
}

How i can manage to hook it when i late load the plugin?

pcmaster

01-25-2015 15:41

Re: How to hook on late load?

You can use AskPluginLoad2

11530

01-25-2015 16:24

Re: How to hook on late load?

PHP Code:


		
			
new bool:g_bLateLoaded = false;

public APLRes:AskPluginLoad2(Handle:myself, bool:late, String:error[], err_max)
{
  g_bLateLoaded = late;
  return APLRes_Success;
}

public OnPluginStart()
{
  //...

  if (g_bLateLoaded)
  {
    for (new i = 1; i <= MaxClients; i++)
    {
      if (IsClientInGame(i)) //Add other checks, e.g. IsClientSourceTV, if needed
      {
        SDKHook(i, SDKHook_WeaponCanUse, BlockPickup);
      }
    }
  }
}

EngHell

01-25-2015 16:34

Re: How to hook on late load?

Quote:

Originally Posted by 11530 (Post 2253975)

PHP Code:


		
			
new bool:g_bLateLoaded = false;



public APLRes:AskPluginLoad2(Handle:myself, bool:late, String:error[], err_max)

{

  g_bLateLoaded = late;

  return APLRes_Success;

}



public OnPluginStart()

{

  //...



  if (g_bLateLoaded)

  {

    for (new i = 1; i <= MaxClients; i++)

    {

      if (IsClientInGame(i)) //Add other checks, e.g. IsClientSourceTV, if needed

      {

        SDKHook(i, SDKHook_WeaponCanUse, BlockPickup);

      }

    }

  }

}

Thanks, it did the job well, but if I unload the plugin, should I close the hooks? An if yes, what's the best way to do it?

KissLick

01-25-2015 17:09

Re: How to hook on late load?

You dont need to close sdhooks hooks, sdkhooks do it for you when entity is destroyed/player disconnected.

psychonic

01-25-2015 17:15

Re: How to hook on late load?

Any entities hooked with SDKHooks in a plugin will be automatically unhooked when the plugin unloads.

EngHell

01-25-2015 20:32

Re: How to hook on late load?

Quote:

Originally Posted by KissLick (Post 2253986)

You dont need to close sdhooks hooks, sdkhooks do it for you when entity is destroyed/player disconnected.

Quote:

Originally Posted by psychonic (Post 2253988)

Any entities hooked with SDKHooks in a plugin will be automatically unhooked when the plugin unloads.

Then This code isn't needed?

PHP Code:


		
			
public OnClientDisconnect(client) {
    SDKUnhook(client, SDKHook_WeaponCanUse, BlockPickup);
}

psychonic

01-25-2015 20:37

Re: How to hook on late load?

Quote:

Originally Posted by EngHell (Post 2254036)

Then This code isn't needed?

PHP Code:


		
			
public OnClientDisconnect(client) {
    SDKUnhook(client, SDKHook_WeaponCanUse, BlockPickup);
}

That is correct.

Chdata

01-26-2015 02:17

Re: How to hook on late load? [Solved]

That's correct for a different reason. You don't need to unhook when a client disconnects from the server.

I'm not sure exactly why though. It's either because you can't hook something twice (which I doubt, you probably actually can and have double repeating code), or because client entities don't actually get "killed" or "removed" - at least that's my theory as I don't know - that when someone connects his control is exerted on an existing player entity that's being unused.

Or maybe SM does unhook clients on disconnect, who knows.

Dr. Greg House

01-26-2015 02:43

Re: How to hook on late load? [Solved]

I have seen many plugins hook stuff on player spawn. Now I'm wondering how long these hooks stay active. And if hooktype + entindex + callback-address is unique so that it wouldn't be hooked or called multiple times.

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