跪求高人修改插件

#include <amxmodx>
#include <fakemeta>
#include <hamsandwich>
#include <xs>
// plugin's main information
#define PLUGIN_NAME "[CS] Weapon Knockback Set"
#define PLUGIN_VERSION "1.0"
#define PLUGIN_AUTHOR "Jim"
// Weapons calssname
new const weapon_classname[][] = { "", "weapon_p228", "", "weapon_scout", "", "weapon_xm1014", "", "weapon_mac10",
"weapon_aug", "", "weapon_elite", "weapon_fiveseven", "weapon_ump45", "weapon_sg550", "weapon_galil", "weapon_famas",
"weapon_usp", "weapon_glock18", "weapon_awp", "weapon_mp5navy", "weapon_m249", "weapon_m3", "weapon_m4a1",
"weapon_tmp", "weapon_g3sg1", "", "weapon_deagle", "weapon_sg552", "weapon_ak47", "weapon_knife", "weapon_p90" }
// Knockback set (無擊退效果=-1.0 , 擊退力減半=0.5 , 擊退力雙倍=2.0)
new const weapon_knockback[][] = {
"-1.0", //-----
"-1.0", //p228
"-1.0", //-----
"-1.0", //scout
"-1.0", //-----
"-1.0", //xm1014
"-1.0", //-----
"-1.0", //mac10
"-1.0", //aug
"-1.0", //-----
"-1.0", //elites
"-1.0", //fiveseven
"-1.0", //ump45
"-1.0", //sg550
"-1.0", //galil
"-1.0", //famas
"-1.0", //usp
"-1.0", //glock
"-1.0", //awp
"-1.0", //mp5navy
"-1.0", //m249
"-1.0", //m3
"-1.0", //m4a1
"-1.0", //tmp
"-1.0", //g3sg1
"-1.0", //-----
"-1.0", //deagle
"-1.0", //sg552
"-1.0", //ak47
"-1.0", //knife
"-1.0" //p90
}
new g_weap_knockback[sizeof weapon_classname]
new cvar_check_bitsum
public plugin_init()
{
register_plugin(PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_AUTHOR)

cvar_check_bitsum = 0

new cvar_string[32]
for (new i = 0; i < sizeof weapon_classname; i++)
{
  if (strlen(weapon_classname) == 0)
  continue;
  
  formatex(cvar_string, charsmax(cvar_string), "weap_%s_knockback", weapon_classname[7])
  g_weap_knockback = register_cvar(cvar_string, weapon_knockback)
  cvar_check_bitsum |= (1<<i)
}

RegisterHam(Ham_TraceAttack, "player", "fw_TraceAttack")
}
public fw_TraceAttack(victim, attacker, Float:damage, Float:direction[3], tracehandle, damage_type)
{
// Non-player damage or self damage
if (victim == attacker || !is_user_connected(attacker))
  return HAM_IGNORED;

// If not bullet damage
if (!(damage_type & DMG_BULLET))
  return HAM_IGNORED;

static weap_id
weap_id = get_user_weapon(attacker)

if (!((1<<weap_id) & cvar_check_bitsum))
  return HAM_IGNORED;

// Get knockback multiplier
static Float:multiplier
multiplier = get_pcvar_float(g_weap_knockback[weap_id])

// Use weapon power on knockback calculation
if (multiplier < 0.0)
  return HAM_IGNORED;

static Float:hit_direction[3]
hit_direction = direction

// Get victim's velocity
static Float:velocity[3]
pev(victim, pev_velocity, velocity)

// Get knockback direction value
xs_vec_mul_scalar(hit_direction, multiplier, hit_direction)
xs_vec_mul_scalar(hit_direction, damage, hit_direction)
xs_vec_add(velocity, hit_direction, hit_direction)

// If use knife attack, set knockback direction change vertical angle up 15.0
if (weap_id == CSW_KNIFE)
  set_vector_change_angle2(hit_direction, 0.0, 15.0, hit_direction)

// Set the knockback'd victim's velocity
set_pev(victim, pev_velocity, hit_direction)

SetHamParamVector(4, Float:{0.0, 0.0, 0.0});

return HAM_IGNORED;
}
stock set_vector_change_angle2(const Float:velocity[3], Float:angle, Float:vertical_angle, Float:new_velocity[3])
{
new Float:v_angles[3]
vector_to_angle(velocity, v_angles)

v_angles[1] += angle
while (v_angles[1] < 0.0)
  v_angles[1] += 360.0

v_angles[2] += vertical_angle
while (v_angles[2] < 0.0)
  v_angles[2] += 360.0

new Float:v_length
v_length  = vector_length(velocity)

new Float:temp
temp = v_length * floatcos(v_angles[2], degrees)

new_velocity[0] = temp * floatcos(v_angles[1], degrees)
new_velocity[1] = temp * floatsin(v_angles[1], degrees)
new_velocity[2] = v_length * floatsin(v_angles[2], degrees)
}

此源码编辑成amxx插件后 在cs1.5里面使用 可以击退所有人包括队友 跪求高人修改源码只击退敌对一方