Pawn from Scratch? Is it really possible to write your own server plugin Week 4
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Week 4: Functions and Multidimensional Arrays
- Functions
- What are functions and why are they needed
- How to declare and call functions
- How to pass arguments to functions
- What is a function's return value
Example of working with functions:
main()
{
new x = 5;
new y = 10;
new z = add(x, y); // Вызов функции add
print(z);
}
add(num1, num2) // Definition of the add function
{
new result = num1 + num2;
return result; // Возвращаем сумму num1 и num2
}
Explanation:
add(num1, num2)- declaration of the add function, which takes two argumentsnew result = num1 + num2- calculating the sum of num1 and num2 and saving it in the result variablereturn result- returning the result of the function's execution
- Multidimensional Arrays
- What are multidimensional arrays and why are they needed
- How to declare and use multidimensional arrays
Example of working with multidimensional arrays:
main()
{
new matrix[3][3]; // Объявляем двумерный массив размером 3x3
for(new i = 0; i < 3; i++)
{
for(new j = 0; j < 3; j++)
{
matrix[i][j] = i + j; // Присваиваем каждому элементу массива значение i+j
}
}
for(new i = 0; i < 3; i++)
{
for(new j = 0; j < 3; j++)
{
print(matrix[i][j]); // Выводим каждый элемент массива на экран
}
}
}
Explanation:
new matrix[3][3]- declaration of a two-dimensional array of size 3x3matrix[i][j] = i + j- assigning the value i+j to each array elementprint(matrix[i][j])- displaying each array element on the screen
These are just examples of what you can learn over the course of a week, and you can study these concepts in more detail and apply them in more complex programs. Good luck!
And now, most importantly, the first plugin for Counter Strike
#include < amxmodx >
#include < amxmisc >
#include < hamsandwich >
public plugin_init()
{
register_plugin("Simple Plugin", "1.0", "Your Name");
register_clcmd("hello", "Say hello to the player", "Syntax: hello", "1", "z");
register_event("Round_Start", "OnRoundStart", "a", "1=0");
}
public OnRoundStart()
{
client_print(0, print_chat, "Round started!");
}
public plugin_precache()
{
precache_model("models/player/terror/terror.mdl");
precache_sound("weapons/ak47-1.wav");
precache_generic("sprites/smoke.spr");
}
public client_cmd(id, cmd[])
{
if(!strcmp(cmd, "hello", true))
{
client_print(id, print_chat, "Hello, player!");
return PLUGIN_HANDLED;
}
return PLUGIN_CONTINUE;
}
This plugin example registers several functions that can be used in Counter-Strike:
plugin_init()- The plugin initialization function, where you can register commands and events.register_plugin()- The function for registering the plugin; it accepts the plugin name, version, and author.register_clcmd()- The function for registering client commands that players can invoke in chat. It accepts the command name, command description, and other parameters.register_event()- The function for registering game events, such as the start of a round. It accepts the event name, the event handler function, and other parameters.OnRoundStart()- The function that is called when a round starts. In this case, it simply displays a message in chat.plugin_precache()- The function for precaching models, sounds, and other resources on the server.precache_model(),precache_sound(),precache_generic()- Functions for precaching models, sounds, and other resources on the server.client_cmd()- The function that is called when a player enters a client command in chat. In this case, it checks whether the command "hello" was entered and displays a message in chat.
The plugin example is quite simple and demonstrates Pawn's basic capabilities for working with a Counter-Strike server. Of course, depending on the specific task, the plugin can be more complex and use other functions and libraries.
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