[Suntox]

Original code from WaterPistol.
try this:

PHP Code:

/* Plugin generated by AMXX-Studio */

#include <amxmodx>
#include <engine>
#include <fakemeta>
#include <hamsandwich>
#include <cstrike>

#define PLUGIN "M429 Brust Fire"
#define VERSION "1.0"
#define AUTHOR "Suntox"

#define BURST_NUM 5
#define BURST_DELAY 0.025

#define wp_baseon_classname "weapon_m249"

#define TASK_BURST 123123

new g_iBurstNum[33], g_iBurst[33], Float:g_last_shoot[33], Float:g_last_fire[33]

public plugin_init()
{
    register_plugin(PLUGIN, VERSION, AUTHOR)
    
    register_forward(FM_CmdStart, "fw_CmdStart")
}

public fw_CmdStart(id, uc_handle, seed)
{
    if(!is_user_alive(id) || !is_user_connected(id))
        return FMRES_HANDLED
        
    if(get_user_weapon(id) != CSW_M249)
        return FMRES_HANDLED
        
    static CurButton
    CurButton = get_uc(uc_handle, UC_Buttons)
    
    if(CurButton & IN_ATTACK)
    {
        CurButton &= ~IN_ATTACK
        set_uc(uc_handle, UC_Buttons, CurButton)
        
        static Float:CurTime
        CurTime = get_gametime()
        
        new Float:flNextAttack ; flNextAttack = get_pdata_float(id, 83, 5)
        
        if (flNextAttack > 0.0)
            return FMRES_IGNORED        
        
        if(CurTime - 0.5 > g_last_fire[id])
        {
            static ent
            ent = find_ent_by_owner(-1, wp_baseon_classname, id)
            
            if(cs_get_weapon_ammo(ent) <= 0)
                return FMRES_IGNORED
            
            g_iBurst[id] = 1
            g_iBurstNum[id] = BURST_NUM
            
            g_last_fire[id] = CurTime
        }
    }
    
    return FMRES_HANDLED
}

public client_PostThink(id)
{
    if(!is_user_alive(id) || !is_user_connected(id))
        return

    if(get_user_weapon(id) != CSW_M249)
        return
        
    if(!g_iBurst[id] || !g_iBurstNum[id])
        return
    
    static Float:CurTime
    CurTime = get_gametime()
    
    if(CurTime - BURST_DELAY > g_last_shoot[id])
    {
        do_burst(id)
        g_last_shoot[id] = CurTime
    }
}

public do_burst(id)
{
    static ent
    ent = find_ent_by_owner(-1, wp_baseon_classname, id)
    
    if(!pev_valid(ent))
        return
            
    if(g_iBurstNum[id] > 0 && g_iBurst[id] && cs_get_weapon_ammo(ent) > 0)
    {
        ExecuteHamB(Ham_Weapon_PrimaryAttack, ent)
        
        set_weapon_anim(id, 1)
        
        g_iBurstNum[id]--
    } else {
        g_iBurst[id] = 0
        remove_task(id+TASK_BURST)
    }
}

stock set_weapon_anim(id, anim)
{
    set_pev(id, pev_weaponanim, anim)

    message_begin(MSG_ONE_UNRELIABLE, SVC_WEAPONANIM, _, id)
    write_byte(anim)
    write_byte(pev(id,pev_body))
    message_end()
}