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AlliedModders (https://forums.alliedmods.net/index.php)
-   Scripting Help (https://forums.alliedmods.net/forumdisplay.php?f=11)
-   -   Knife hit knockback (https://forums.alliedmods.net/showthread.php?t=347427)

SaraAki 04-24-2024 10:21
Knife hit knockback
 
This plugin activate knockback on knife damage.What i want is that knockback work only when damage is done with right mouse click.Also,maybe there is a better way to create knockback than using event_damage?

PHP Code:
#include <amxmodx>
#include <engine>

#define PLUGIN    "Knife Knockback (when shot by one)"
#define VERSION    "1.0"
#define AUTHOR    "v3x & Chronic"

new cvar_pump_active , cvar_pump_force;

public plugin_init()
{
    register_plugin(PLUGIN , VERSION , AUTHOR);

    register_event("Damage" , "event_Damage" , "b" , "2>0");

    cvar_pump_active   = register_cvar("knife_knockback" , "1");
    cvar_pump_force       = register_cvar("knife_force"     , "10");
}

public event_Damage(id)
{
    if(!get_pcvar_num(cvar_pump_active))
        return PLUGIN_CONTINUE;

    if(!is_user_alive(id))
        return PLUGIN_CONTINUE;

    new weapon , attacker = get_user_attacker(id , weapon);

    if(!is_user_alive(attacker))
        return PLUGIN_CONTINUE;

    if(weapon == CSW_KNIFE)
    {
        new Float:vec[3];
        new Float:oldvelo[3];
        get_user_velocity(id, oldvelo);
        create_velocity_vector(id , attacker , vec);
        vec[0] += oldvelo[0];
        vec[1] += oldvelo[1];
        set_user_velocity(id , vec);
    }

    return PLUGIN_CONTINUE;
}

// Stock by the one and only, Chronic :P
stock create_velocity_vector(victim,attacker,Float:velocity[3])
{
    if(!is_user_alive(victim) || !is_user_alive(attacker))
        return 0;

    new Float:vicorigin[3];
    new Float:attorigin[3];
    entity_get_vector(victim   , EV_VEC_origin , vicorigin);
    entity_get_vector(attacker , EV_VEC_origin , attorigin);

    new Float:origin2[3]
    origin2[0] = vicorigin[0] - attorigin[0];
    origin2[1] = vicorigin[1] - attorigin[1];

    new Float:largestnum = 0.0;

    if(floatabs(origin2[0])>largestnum) largestnum = floatabs(origin2[0]);
    if(floatabs(origin2[1])>largestnum) largestnum = floatabs(origin2[1]);

    origin2[0] /= largestnum;
    origin2[1] /= largestnum;

    velocity[0] = ( origin2[0] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
    velocity[1] = ( origin2[1] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
    if(velocity[0] <= 20.0 || velocity[1] <= 20.0)
        velocity[2] = random_float(200.0 , 275.0);

    return 1;
} 

Tote 04-24-2024 11:17
Re: Knife hit knockback
 
Code:
#include <amxmodx>
#include <engine>
#include <fakemeta>

#define PLUGIN    "Knife Knockback (when shot by one)"
#define VERSION    "1.0"
#define AUTHOR    "v3x & Chronic"

new cvar_pump_active , cvar_pump_force;

public plugin_init()
{
        register_plugin(PLUGIN , VERSION , AUTHOR);
       
        register_event("Damage" , "event_Damage" , "b" , "2>0");
       
        cvar_pump_active  = register_cvar("knife_knockback" , "1");
        cvar_pump_force      = register_cvar("knife_force"    , "10");
}

public event_Damage(id)
{
        static btn; btn = pev(id, pev_button)
       
        if(!get_pcvar_num(cvar_pump_active))
                return PLUGIN_CONTINUE;
       
        if(!is_user_alive(id))
                return PLUGIN_CONTINUE;
       
        new weapon , attacker = get_user_attacker(id , weapon);
       
        if(!is_user_alive(attacker))
                return PLUGIN_CONTINUE;
       
        if(weapon == CSW_KNIFE && btn & IN_ATTACK2)
        {
                new Float:vec[3];
                new Float:oldvelo[3];
                get_user_velocity(id, oldvelo);
                create_velocity_vector(id , attacker , vec);
                vec[0] += oldvelo[0];
                vec[1] += oldvelo[1];
                set_user_velocity(id , vec);
        }
       
        return PLUGIN_CONTINUE;
}

// Stock by the one and only, Chronic :P
stock create_velocity_vector(victim,attacker,Float:velocity[3])
{
        if(!is_user_alive(victim) || !is_user_alive(attacker))
                return 0;
       
        new Float:vicorigin[3];
        new Float:attorigin[3];
        entity_get_vector(victim  , EV_VEC_origin , vicorigin);
        entity_get_vector(attacker , EV_VEC_origin , attorigin);
       
        new Float:origin2[3]
        origin2[0] = vicorigin[0] - attorigin[0];
        origin2[1] = vicorigin[1] - attorigin[1];
       
        new Float:largestnum = 0.0;
       
        if(floatabs(origin2[0])>largestnum) largestnum = floatabs(origin2[0]);
        if(floatabs(origin2[1])>largestnum) largestnum = floatabs(origin2[1]);
       
        origin2[0] /= largestnum;
        origin2[1] /= largestnum;
       
        velocity[0] = ( origin2[0] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
        velocity[1] = ( origin2[1] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
        if(velocity[0] <= 20.0 || velocity[1] <= 20.0)
                velocity[2] = random_float(200.0 , 275.0);
       
        return 1;
}
u can use Ham Traceattack

Code:
#include <amxmodx>
#include <engine>
#include <hamsandwich>
#include <fakemeta>

#define PLUGIN    "Knife Knockback (when shot by one)"
#define VERSION    "1.0"
#define AUTHOR    "v3x & Chronic"

new cvar_pump_active , cvar_pump_force;

public plugin_init()
{
        register_plugin(PLUGIN , VERSION , AUTHOR);
       
        RegisterHam(Ham_TraceAttack, "player", "fw_TraceAttack_Post", 1)
       
        cvar_pump_active  = register_cvar("knife_knockback" , "1");
        cvar_pump_force      = register_cvar("knife_force"    , "10");
}

public fw_TraceAttack_Post(id, attacker)
{
       
        if(!get_pcvar_num(cvar_pump_active))
                return PLUGIN_CONTINUE;
       
        if(is_user_connected(attacker) && is_user_connected(id) && is_user_alive(id) && is_user_alive(attacker))
        {
                static btn; btn = pev(id, pev_button)
                new weapon; weapon = get_user_weapon(id)
               
                if(weapon == CSW_KNIFE && btn & IN_ATTACK2)
                {
                        new Float:vec[3];
                        new Float:oldvelo[3];
                        get_user_velocity(id, oldvelo);
                        create_velocity_vector(id , attacker , vec);
                        vec[0] += oldvelo[0];
                        vec[1] += oldvelo[1];
                        set_user_velocity(id , vec);
                }
        }
       
        return PLUGIN_CONTINUE;
}

// Stock by the one and only, Chronic :P
stock create_velocity_vector(victim,attacker,Float:velocity[3])
{
        if(!is_user_alive(victim) || !is_user_alive(attacker))
                return 0;
       
        new Float:vicorigin[3];
        new Float:attorigin[3];
        entity_get_vector(victim  , EV_VEC_origin , vicorigin);
        entity_get_vector(attacker , EV_VEC_origin , attorigin);
       
        new Float:origin2[3]
        origin2[0] = vicorigin[0] - attorigin[0];
        origin2[1] = vicorigin[1] - attorigin[1];
       
        new Float:largestnum = 0.0;
       
        if(floatabs(origin2[0])>largestnum) largestnum = floatabs(origin2[0]);
        if(floatabs(origin2[1])>largestnum) largestnum = floatabs(origin2[1]);
       
        origin2[0] /= largestnum;
        origin2[1] /= largestnum;
       
        velocity[0] = ( origin2[0] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
        velocity[1] = ( origin2[1] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
        if(velocity[0] <= 20.0 || velocity[1] <= 20.0)
                velocity[2] = random_float(200.0 , 275.0);
       
        return 1;
}

SaraAki 04-24-2024 12:24
Re: Knife hit knockback
 
I tested both versions and neither works.Thanks for helping me anyway.Any idea what to change?

Tote 04-24-2024 12:41
Re: Knife hit knockback
 
did i misunderstood?
u want it when hit with right mouse then let the knockback work?

Tote 04-24-2024 12:47
Re: Knife hit knockback
 
Code:
#include <amxmodx>
#include <engine>
#include <fakemeta>

#define PLUGIN    "Knife Knockback (when shot by one)"
#define VERSION    "1.0"
#define AUTHOR    "v3x & Chronic"

new cvar_pump_active , cvar_pump_force;

public plugin_init()
{
        register_plugin(PLUGIN , VERSION , AUTHOR);
       
        register_event("Damage" , "event_Damage" , "b" , "2>0");
       
        cvar_pump_active  = register_cvar("knife_knockback" , "1");
        cvar_pump_force      = register_cvar("knife_force"    , "10");
}

public event_Damage(id)
{
        static btn
        btn = pev(id, pev_button)
       
        if(!get_pcvar_num(cvar_pump_active))
                return PLUGIN_CONTINUE;
       
        if(!is_user_alive(id))
                return PLUGIN_CONTINUE;
       
        new weapon , attacker = get_user_attacker(id , weapon);
       
        if(!is_user_alive(attacker))
                return PLUGIN_CONTINUE;
       
        if(btn & IN_ATTACK2)
        {
                if(weapon == CSW_KNIFE)
                {
                        new Float:vec[3];
                        new Float:oldvelo[3];
                        get_user_velocity(id, oldvelo);
                        create_velocity_vector(id , attacker , vec);
                        vec[0] += oldvelo[0];
                        vec[1] += oldvelo[1];
                        set_user_velocity(id , vec);
                }
        }
       
        return PLUGIN_CONTINUE;
}

// Stock by the one and only, Chronic :P
stock create_velocity_vector(victim,attacker,Float:velocity[3])
{
        if(!is_user_alive(victim) || !is_user_alive(attacker))
                return 0;
       
        new Float:vicorigin[3];
        new Float:attorigin[3];
        entity_get_vector(victim  , EV_VEC_origin , vicorigin);
        entity_get_vector(attacker , EV_VEC_origin , attorigin);
       
        new Float:origin2[3]
        origin2[0] = vicorigin[0] - attorigin[0];
        origin2[1] = vicorigin[1] - attorigin[1];
       
        new Float:largestnum = 0.0;
       
        if(floatabs(origin2[0])>largestnum) largestnum = floatabs(origin2[0]);
        if(floatabs(origin2[1])>largestnum) largestnum = floatabs(origin2[1]);
       
        origin2[0] /= largestnum;
        origin2[1] /= largestnum;
       
        velocity[0] = ( origin2[0] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
        velocity[1] = ( origin2[1] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
        if(velocity[0] <= 20.0 || velocity[1] <= 20.0)
                velocity[2] = random_float(200.0 , 275.0);
       
        return 1;
}
maybe this
also enable debug and check for errors on logs

SaraAki 04-24-2024 13:59
Re: Knife hit knockback
 
Yes when hit with knife but only with right click.Last version also didnt work and no error in logs.

Tote 04-24-2024 14:26
Re: Knife hit knockback
 
Quote:
Originally Posted by SaraAki (Post 2821563)
Yes when hit with knife but only with right click.Last version also didnt work and no error in logs.
does the plugin work without my edits?

SaraAki 04-24-2024 15:56
Re: Knife hit knockback
 
Yes it work.

mlibre 04-24-2024 17:22
Re: Knife hit knockback
 
alternative to stock, try...

PHP Code:
user_slap(index, 0, 1) 

Ace67 04-25-2024 06:35
Re: Knife hit knockback
 
Quote:
Originally Posted by SaraAki (Post 2821538)
This plugin activate knockback on knife damage.What i want is that knockback work only when damage is done with right mouse click.Also,maybe there is a better way to create knockback than using event_damage?

PHP Code:
#include <amxmodx>
#include <engine>

#define PLUGIN    "Knife Knockback (when shot by one)"
#define VERSION    "1.0"
#define AUTHOR    "v3x & Chronic"

new cvar_pump_active , cvar_pump_force;

public plugin_init()
{
    register_plugin(PLUGIN , VERSION , AUTHOR);

    register_event("Damage" , "event_Damage" , "b" , "2>0");

    cvar_pump_active   = register_cvar("knife_knockback" , "1");
    cvar_pump_force       = register_cvar("knife_force"     , "10");
}

public event_Damage(id)
{
    if(!get_pcvar_num(cvar_pump_active))
        return PLUGIN_CONTINUE;

    if(!is_user_alive(id))
        return PLUGIN_CONTINUE;

    new weapon , attacker = get_user_attacker(id , weapon);

    if(!is_user_alive(attacker))
        return PLUGIN_CONTINUE;

    if(weapon == CSW_KNIFE)
    {
        new Float:vec[3];
        new Float:oldvelo[3];
        get_user_velocity(id, oldvelo);
        create_velocity_vector(id , attacker , vec);
        vec[0] += oldvelo[0];
        vec[1] += oldvelo[1];
        set_user_velocity(id , vec);
    }

    return PLUGIN_CONTINUE;
}

// Stock by the one and only, Chronic :P
stock create_velocity_vector(victim,attacker,Float:velocity[3])
{
    if(!is_user_alive(victim) || !is_user_alive(attacker))
        return 0;

    new Float:vicorigin[3];
    new Float:attorigin[3];
    entity_get_vector(victim   , EV_VEC_origin , vicorigin);
    entity_get_vector(attacker , EV_VEC_origin , attorigin);

    new Float:origin2[3]
    origin2[0] = vicorigin[0] - attorigin[0];
    origin2[1] = vicorigin[1] - attorigin[1];

    new Float:largestnum = 0.0;

    if(floatabs(origin2[0])>largestnum) largestnum = floatabs(origin2[0]);
    if(floatabs(origin2[1])>largestnum) largestnum = floatabs(origin2[1]);

    origin2[0] /= largestnum;
    origin2[1] /= largestnum;

    velocity[0] = ( origin2[0] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
    velocity[1] = ( origin2[1] * (get_pcvar_float(cvar_pump_force) * 3000) ) / get_entity_distance(victim , attacker);
    if(velocity[0] <= 20.0 || velocity[1] <= 20.0)
        velocity[2] = random_float(200.0 , 275.0);

    return 1;
} 
I've added PlayerAttack instead of Damage it will detects both primary and secondary attacks. By checking the boolean parameter bPrimary, so it allows you to determine if the attack was a right-click (secondary attack) or not.

PHP Code:
#include <amxmodx>
#include <engine>

#define PLUGIN      "Knife Knockback (when shot by one)"
#define VERSION     "1.1"
#define AUTHOR      "v3x & Chronic"

new cvar_pump_force;

public plugin_init()
{
    register_plugin(PLUGIN, VERSION, AUTHOR);

    register_event("PlayerAttack", "event_PlayerAttack", "be");
    
    cvar_pump_force    = register_cvar("knife_force", "10");
}

public event_PlayerAttack(id, bool:bPrimary)
{
    new weapon = get_user_weapon(id);
    
    // It checks if the user using the knife and right-clicked 
    if (weapon == CSW_KNIFE && !bPrimary)
    {
        new attacker = get_user_attacker(id, weapon);
        
        // It will apply the knockback only if the attacker is alive and not dead.
        if (is_user_alive(attacker))
        {
            apply_knockback(id, attacker);
        }
    }
}

public apply_knockback(victim, attacker)
{
    new Float:vec[3];
    new Float:oldvelo[3];
    get_user_velocity(victim, oldvelo);
    create_velocity_vector(victim, attacker, vec);
    vec[0] += oldvelo[0];
    vec[1] += oldvelo[1];
    set_user_velocity(victim, vec);
}

// Stock by the one and only, Chronic :P
stock create_velocity_vector(victim, attacker, Float:velocity[3])
{
    if (!is_user_alive(victim) || !is_user_alive(attacker))
        return 0;

    new Float:vicorigin[3];
    new Float:attorigin[3];
    entity_get_vector(victim, EV_VEC_origin, vicorigin);
    entity_get_vector(attacker, EV_VEC_origin, attorigin);

    new Float:origin2[3];
    origin2[0] = vicorigin[0] - attorigin[0];
    origin2[1] = vicorigin[1] - attorigin[1];

    new Float:largestnum = 0.0;

    if (floatabs(origin2[0]) > largestnum) largestnum = floatabs(origin2[0]);
    if (floatabs(origin2[1]) > largestnum) largestnum = floatabs(origin2[1]);

    origin2[0] /= largestnum;
    origin2[1] /= largestnum;

    velocity[0] = (origin2[0] * (get_pcvar_float(cvar_pump_force) * 3000)) / get_entity_distance(victim, attacker);
    velocity[1] = (origin2[1] * (get_pcvar_float(cvar_pump_force) * 3000)) / get_entity_distance(victim, attacker);
    if (velocity[0] <= 20.0 || velocity[1] <= 20.0)
        velocity[2] = random_float(200.0, 275.0);

    return 1;
} 


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