<![CDATA[open.mp forum - Programming]]>

<![CDATA[open.mp forum - Programming]]> https://forum.open.mp/ Sun, 12 Apr 2026 16:45:36 +0000 MyBB <![CDATA[Emotion Launcher(eLauncher)]]> https://forum.open.mp/showthread.php?tid=3242 Thu, 24 Jul 2025 23:59:41 +0000 Collw]]> https://forum.open.mp/showthread.php?tid=3242 [Image: EL_18.png?ex=6884305b&is=6882dedb&hm=a53...1332dec98&]

[Image: EL_18.png?ex=6884305b&is=6882dedb&hm=a53...1332dec98&]

Emotion Multiplayer - eLauncher
This project is not a new multiplayer mod. Emotion Multiplayer > eLauncher is part of an open-source initiative aimed at organizing and sharing tools, modifications, and code with the SA-MP and open.mp communities.
About the project
I’m passionate about volunteer development and open-source software. While exploring some community SA-MP repositories, I had the idea to create a dedicated launcher. That’s how Emotion Launcher (eLauncher) was born.
The goal of this project is to make it easier for server owners — especially those running large servers — to create their own custom launchers in a practical and professional way.
You can create your own launcher based on eLauncher.
Technologies used

Language: C#
Interface: WinForms
Platform: .NET 8.0

Language: C#
Interface: WinForms
Platform: .NET 8.0

Try it now
You can explore and test the launcher by visiting:
Official website: https://elauncher.site
Source code: https://github.com/emotionmultiplayer/eLauncher
Contributions
Contributions are welcome. If you have ideas, improvements, or fixes, feel free to open an issue or submit a pull request on the repository.
Emotion Multiplayer – developed with dedication for the community.]]> <![CDATA[С++ / How to terminate further function calls?]]> https://forum.open.mp/showthread.php?tid=3069 Mon, 10 Feb 2025 04:09:26 +0000 punkochel]]> https://forum.open.mp/showthread.php?tid=3069 Let's say not call onPlayerSpawn in Test2 if I already got what I wanted in Test1? Only if?

Code:
class Test1 : public PlayerSpawnEventHandler

{

public:

    void onPlayerSpawn(IPlayer &player) override

    {

        player.sendClientMessage(Colour::Cyan(), "Hello from the test class...");

    }

};

class Test2 : public PlayerSpawnEventHandler

{

public:

    void onPlayerSpawn(IPlayer &player) override

    {

        player.sendClientMessage(Colour::Cyan(), "Hello from the test2 class...");

    }

};

void Gamemode::onLoad(ICore* c)

{

    core_ = c;

    c->getPlayers().getPlayerConnectDispatcher().addEventHandler(this);

    c->getPlayers().getPlayerSpawnDispatcher().addEventHandler(this);

    c->getPlayers().getPlayerTextDispatcher().addEventHandler(this);

    test1_ = new Test1;

    c->getPlayers().getPlayerSpawnDispatcher().addEventHandler(test1_);

    test2_ = new Test2;

    c->getPlayers().getPlayerSpawnDispatcher().addEventHandler(test2_);

}

]]> Let's say not call onPlayerSpawn in Test2 if I already got what I wanted in Test1? Only if?

Code:
class Test1 : public PlayerSpawnEventHandler

{

public:

    void onPlayerSpawn(IPlayer &player) override

    {

        player.sendClientMessage(Colour::Cyan(), "Hello from the test class...");

    }

};

class Test2 : public PlayerSpawnEventHandler

{

public:

    void onPlayerSpawn(IPlayer &player) override

    {

        player.sendClientMessage(Colour::Cyan(), "Hello from the test2 class...");

    }

};

void Gamemode::onLoad(ICore* c)

{

    core_ = c;

    c->getPlayers().getPlayerConnectDispatcher().addEventHandler(this);

    c->getPlayers().getPlayerSpawnDispatcher().addEventHandler(this);

    c->getPlayers().getPlayerTextDispatcher().addEventHandler(this);

    test1_ = new Test1;

    c->getPlayers().getPlayerSpawnDispatcher().addEventHandler(test1_);

    test2_ = new Test2;

    c->getPlayers().getPlayerSpawnDispatcher().addEventHandler(test2_);

}

]]> <![CDATA[Need any technical support?]]> https://forum.open.mp/showthread.php?tid=2921 Tue, 01 Oct 2024 14:20:44 +0000 JasonRiggs]]> https://forum.open.mp/showthread.php?tid=2921
So I thought why not we make this thread to people who require or offer any technical support to meet up here so we can make it easier for developers and users to find each others which will enhance the growth of the community and the quality of the service.

I'll begin with myself.. If you need any help regarding Open.MP server development or any other matter contact me over DMs or on discord riggsss

Hope this post reaches alot of people!]]>
So I thought why not we make this thread to people who require or offer any technical support to meet up here so we can make it easier for developers and users to find each others which will enhance the growth of the community and the quality of the service.

I'll begin with myself.. If you need any help regarding Open.MP server development or any other matter contact me over DMs or on discord riggsss

Hope this post reaches alot of people!]]> <![CDATA[Build OpenMP sdk (cmake-conan)]]> https://forum.open.mp/showthread.php?tid=2840 Sun, 28 Jul 2024 17:43:09 +0000 PainFrenemy]]> https://forum.open.mp/showthread.php?tid=2840 $ cmake .. -A Win32 -T ClangCL
-- Selecting Windows SDK version 10.0.22621.0 to target Windows 10.0.22631.
usage: conan profile [-h] [-v [V]] [-cc CORE_CONF] {detect,list,path,show} ...
conan profile: error: argument subcommand: invalid choice: 'update' (choose from 'detect', 'list', 'path', 'show')
ERROR: Exiting with code: 2
CMake Error at lib/cmake-conan/conan-omp.cmake:20 (message):
Couldn't update build profile
Call Stack (most recent call first):
lib/cmake-conan/conan-omp.cmake:60 (conan_update_profile)
CMakeLists.txt:6 (include)

https://github.com/openmultiplayer/open.mp-sdk]]> $ cmake .. -A Win32 -T ClangCL
-- Selecting Windows SDK version 10.0.22621.0 to target Windows 10.0.22631.
usage: conan profile [-h] [-v [V]] [-cc CORE_CONF] {detect,list,path,show} ...
conan profile: error: argument subcommand: invalid choice: 'update' (choose from 'detect', 'list', 'path', 'show')
ERROR: Exiting with code: 2
CMake Error at lib/cmake-conan/conan-omp.cmake:20 (message):
Couldn't update build profile
Call Stack (most recent call first):
lib/cmake-conan/conan-omp.cmake:60 (conan_update_profile)
CMakeLists.txt:6 (include)

https://github.com/openmultiplayer/open.mp-sdk]]> <![CDATA[A code alternative for finding an empty slot properly]]> https://forum.open.mp/showthread.php?tid=2828 Fri, 19 Jul 2024 11:23:00 +0000 Amr]]> https://forum.open.mp/showthread.php?tid=2828 Finding the First Empty Slot in an Array

Objective:
To determine the index of the first empty slot in a 0-indexed array Arr of size 1024, with an additional precaution against potential overflow.

Explanation:

Code:
int SizeArr = 1024;      // Size of the array

int Arr[SizeArr + 1];    // Array with additional slot

int i = 1;                // Initialization of index i

while (Arr)        // Loop until an empty slot is found

    i++;

return i % (SizeArr + 1) - 1;  // Return the index of the empty slot

Details:

Array Declaration:
- int Arr[SizeArr + 1];
  declares an array Arr with 1025 elements, including an additional slot to handle edge cases and prevent overflow.
Initialization of i:
- int i = 1;
  starts i at 1 to facilitate the search for the first empty slot while adjusting for 0-based indexing with Arr[i - 1].
While Loop:
- while (Arr[i - 1]) i++;
  iterates i until it finds an index where Arr[i - 1] is zero, indicating an empty slot in the array.
Return Statement:
- return i % (SizeArr + 1) - 1;
  calculates and returns the index of the first empty slot:
  - i % (SizeArr + 1)
    ensures i wraps within the array bounds, accounting for the extra slot.
  - - 1
    adjusts i to be a 0-based index, aligning with typical C/C++ array indexing conventions.

Benefits:

Overflow Protection: By allocating an extra element (`Arr[SizeArr]`), the code guards against potential overflow issues during array traversal.
Robustness: Handles various scenarios by locating the first empty slot in the array Arr, accommodating specific conditions where zero signifies an empty slot.

Considerations:

Ensure the array initialization and usage align with application-specific requirements regarding empty slot definitions and array indexing conventions.

]]> Finding the First Empty Slot in an Array

Objective:
To determine the index of the first empty slot in a 0-indexed array Arr of size 1024, with an additional precaution against potential overflow.

Explanation:

Code:
int SizeArr = 1024;      // Size of the array

int Arr[SizeArr + 1];    // Array with additional slot

int i = 1;                // Initialization of index i

while (Arr)        // Loop until an empty slot is found

    i++;

return i % (SizeArr + 1) - 1;  // Return the index of the empty slot

Details:

Array Declaration:
- int Arr[SizeArr + 1];
  declares an array Arr with 1025 elements, including an additional slot to handle edge cases and prevent overflow.
Initialization of i:
- int i = 1;
  starts i at 1 to facilitate the search for the first empty slot while adjusting for 0-based indexing with Arr[i - 1].
While Loop:
- while (Arr[i - 1]) i++;
  iterates i until it finds an index where Arr[i - 1] is zero, indicating an empty slot in the array.
Return Statement:
- return i % (SizeArr + 1) - 1;
  calculates and returns the index of the first empty slot:
  - i % (SizeArr + 1)
    ensures i wraps within the array bounds, accounting for the extra slot.
  - - 1
    adjusts i to be a 0-based index, aligning with typical C/C++ array indexing conventions.

Benefits:

Overflow Protection: By allocating an extra element (`Arr[SizeArr]`), the code guards against potential overflow issues during array traversal.
Robustness: Handles various scenarios by locating the first empty slot in the array Arr, accommodating specific conditions where zero signifies an empty slot.

Considerations:

Ensure the array initialization and usage align with application-specific requirements regarding empty slot definitions and array indexing conventions.

]]> <![CDATA[Want to make an android app?]]> https://forum.open.mp/showthread.php?tid=2823 Wed, 17 Jul 2024 09:32:42 +0000 MEGAMIND]]> https://forum.open.mp/showthread.php?tid=2823 https://discord.gg/fD93Bx5SqP cordova.js developers if any one might be interested they can join and create android apps based on html,js,css for android or ios https://cordova.apache.org/ as the platform it self is awsome but there was no discord chanel for it, so decided to make one

Note: its not for samp related coding, but u can surely make an android app that links to samp somewhere]]> https://discord.gg/fD93Bx5SqP cordova.js developers if any one might be interested they can join and create android apps based on html,js,css for android or ios https://cordova.apache.org/ as the platform it self is awsome but there was no discord chanel for it, so decided to make one

Note: its not for samp related coding, but u can surely make an android app that links to samp somewhere]]> <![CDATA[What Do You Think?]]> https://forum.open.mp/showthread.php?tid=2810 Tue, 02 Jul 2024 20:18:55 +0000 yamanshrestha2018]]> https://forum.open.mp/showthread.php?tid=2810 <![CDATA[Problem with plugin development]]> https://forum.open.mp/showthread.php?tid=2271 Tue, 18 Jan 2022 11:41:07 +0000 Davee52]]> https://forum.open.mp/showthread.php?tid=2271 https://imgur.com/a/Yamr46K
Thank you if you could lead me to success.]]> https://imgur.com/a/Yamr46K
Thank you if you could lead me to success.]]> <![CDATA[How to call a function an address?]]> https://forum.open.mp/showthread.php?tid=2158 Tue, 06 Jul 2021 21:36:37 +0000 oukibt]]> https://forum.open.mp/showthread.php?tid=2158

Code:
PLUGIN_EXPORT int PLUGIN_CALL AmxLoad(AMX* amx)

{

? ? VirtualUnlock((LPVOID)0x48B5B0, 0x20);

? ? ((int(__fastcall*)(char*))0x48B5B0)("query");

? ? return 1;

}

https://cdn.discordapp.com/attachments/5...nknown.png

I think, this is GetConsoleVariableInt function]]>

Code:
PLUGIN_EXPORT int PLUGIN_CALL AmxLoad(AMX* amx)

{

? ? VirtualUnlock((LPVOID)0x48B5B0, 0x20);

? ? ((int(__fastcall*)(char*))0x48B5B0)("query");

? ? return 1;

}

https://cdn.discordapp.com/attachments/5...nknown.png

I think, this is GetConsoleVariableInt function]]> <![CDATA[SCM()]]> https://forum.open.mp/showthread.php?tid=2141 Sun, 27 Jun 2021 09:46:38 +0000 Awide]]> https://forum.open.mp/showthread.php?tid=2141

*grabs popcorn*]]>

*grabs popcorn*]]> <![CDATA[Run sa-mp server in android terminal]]> https://forum.open.mp/showthread.php?tid=2131 Wed, 23 Jun 2021 16:50:40 +0000 Otakeiro]]> https://forum.open.mp/showthread.php?tid=2131 <![CDATA['inject' Modes to gta_sa/SA-MP??]]> https://forum.open.mp/showthread.php?tid=2100 Sun, 06 Jun 2021 06:26:05 +0000 redex]]> https://forum.open.mp/showthread.php?tid=2100

i seen this thing in other servers so i guess its possible, by the way i used C# for the launcher]]>

i seen this thing in other servers so i guess its possible, by the way i used C# for the launcher]]> <![CDATA[Array elements within a function aren't able to change?]]> https://forum.open.mp/showthread.php?tid=2073 Tue, 01 Jun 2021 17:00:11 +0000 klausfelix]]> https://forum.open.mp/showthread.php?tid=2073 a = np.array([0,2,4,2,0,2,3,2,3,2,0])

plt.figure(figsize=(10,7))

plt.plot(a,label='a')

def raycrit(a,thresh):

? ? min_ind = argrelextrema(a, np.less)

? ? max_ind = argrelextrema(a, np.greater)

? ? maxima = a[max_ind]

? ? minima = a[min_ind]

? ? if min_ind[0][0] > max_ind[0][0]:

? ? ? ? for i in range(0,len(minima)):

? ? ? ? ? ? if maxima[i] > thresh and maxima[i] > thresh:

? ? ? ? ? ? ? ? if minima[i] > maxima[i]/2 and minima[i] > maxima[i]/2:

? ? ? ? ? ? ? ? ? ? minima[i] = thresh

? ? a[min_ind] = minima

? ? return a

? ? ? ?

b = raycrit(a,2.5)[/color]

In the above code excerpt, I am trying to find local minima surrounded by local maxima that are more than half the height of the highest local maximum that neighbours it. And while this put into text might be confusing, I think reading the code helps understand what I'm trying to reach for. The problem arises with the fact that?

minima[i] = thresh

?stays unchanged even when the condition is triggered. Here the result should be [0,2,4,2,0,2,3,2.5,3,2,0] but remains [0,2,4,2,0,2,3,2,3,2,0] and I am quite confused as to why...

]]> a = np.array([0,2,4,2,0,2,3,2,3,2,0])

plt.figure(figsize=(10,7))

plt.plot(a,label='a')

def raycrit(a,thresh):

? ? min_ind = argrelextrema(a, np.less)

? ? max_ind = argrelextrema(a, np.greater)

? ? maxima = a[max_ind]

? ? minima = a[min_ind]

? ? if min_ind[0][0] > max_ind[0][0]:

? ? ? ? for i in range(0,len(minima)):

? ? ? ? ? ? if maxima[i] > thresh and maxima[i] > thresh:

? ? ? ? ? ? ? ? if minima[i] > maxima[i]/2 and minima[i] > maxima[i]/2:

? ? ? ? ? ? ? ? ? ? minima[i] = thresh

? ? a[min_ind] = minima

? ? return a

? ? ? ?

b = raycrit(a,2.5)[/color]

In the above code excerpt, I am trying to find local minima surrounded by local maxima that are more than half the height of the highest local maximum that neighbours it. And while this put into text might be confusing, I think reading the code helps understand what I'm trying to reach for. The problem arises with the fact that?

minima[i] = thresh

?stays unchanged even when the condition is triggered. Here the result should be [0,2,4,2,0,2,3,2.5,3,2,0] but remains [0,2,4,2,0,2,3,2,3,2,0] and I am quite confused as to why...

]]> <![CDATA[Need Help About Launcher]]> https://forum.open.mp/showthread.php?tid=2016 Fri, 14 May 2021 22:34:36 +0000 redex]]> https://forum.open.mp/showthread.php?tid=2016 i dont have any problem with detecting the cheat files in the players folder but how can i detect players who are joining the server using my custom launcher? i see some servers doing this by only getting player name and they just need to hit a button to start the game, that mean there is no need to save something i was going to first make a login page and then if he logged in create a row in sql database to show his is using launcher but there is hell a lot ways to bypass this method , i want to do something like this sampvoice project : https://github.com/CyberMor/sampvoice

they made something to detect is player have the needed plugin and then we can for exp show them : you are using sampvoice plugin , or even there is a client side anti cheat out there that do something like this but its not opensource, how can i do this? sorry for my bad English hope u understand what i am talking about]]> i dont have any problem with detecting the cheat files in the players folder but how can i detect players who are joining the server using my custom launcher? i see some servers doing this by only getting player name and they just need to hit a button to start the game, that mean there is no need to save something i was going to first make a login page and then if he logged in create a row in sql database to show his is using launcher but there is hell a lot ways to bypass this method , i want to do something like this sampvoice project : https://github.com/CyberMor/sampvoice

they made something to detect is player have the needed plugin and then we can for exp show them : you are using sampvoice plugin , or even there is a client side anti cheat out there that do something like this but its not opensource, how can i do this? sorry for my bad English hope u understand what i am talking about]]> <![CDATA[Looking for a roleplay scripter for LSRP replica.]]> https://forum.open.mp/showthread.php?tid=1861 Mon, 12 Apr 2021 09:40:49 +0000 gerald]]> https://forum.open.mp/showthread.php?tid=1861 discord.gg/dDWVHEY
my discord heavyweight#0651]]> discord.gg/dDWVHEY
my discord heavyweight#0651]]>