геймплей "а-ля соурс"

#define     OFFSET_LAST_HIT_GROUP      75
#define        EXTRAOFFSET_PL_LINUX    5

new const Float:vec_hit_multi[] =
{
    1.0,  // HIT_GENERIC
    4.0,  // HIT_HEAD
    1.0,  // HIT_CHEST
    1.25, // HIT_STOMACH
    1.0,  // HIT_LEFTARM
    1.0,  // HIT_RIGHTARM
    0.75, // HIT_LEFTLEG
    0.75  // HIT_RIGHTLEG
}

new pcv_hitgroup[sizeof vec_hit_multi]

public plugin_init()
{
    register_plugin(PLUGIN, VERSION, AUTHOR)
    register_cvar("hitgroup_man_vs", VERSION, (FCVAR_SERVER | FCVAR_SPONLY))
    
    pcv_hitgroup[HIT_GENERIC]     = register_cvar("hit_generic_multi",     "1.0")
    pcv_hitgroup[HIT_HEAD]        = register_cvar("hit_head_multi",         "4.0")
    pcv_hitgroup[HIT_CHEST]     = register_cvar("hit_chest_multi",         "1.0")
    pcv_hitgroup[HIT_STOMACH]     = register_cvar("hit_stomach_multi",     "1.25")
    pcv_hitgroup[HIT_LEFTARM]    = register_cvar("hit_left_arm_multi",     "1.0")
    pcv_hitgroup[HIT_RIGHTARM]    = register_cvar("hit_right_arm_multi",     "1.0")
    pcv_hitgroup[HIT_LEFTLEG]    = register_cvar("hit_left_leg_multi",     "0.75")
    pcv_hitgroup[HIT_RIGHTLEG]    = register_cvar("hit_right_leg_multi",     "0.75")
    
    RegisterHam(Ham_TakeDamage, "player", "fw_takedamage")
}

public fw_takedamage(victim, inflictor, attacker, Float:damage, bits)
{
    new hitgroup = get_pdata_int(victim, OFFSET_LAST_HIT_GROUP, EXTRAOFFSET_PL_LINUX)
    
    if (hitgroup > 7 || hitgroup < 0)
        return HAM_IGNORED
    
    if(get_pcvar_float(pcv_hitgroup[hitgroup]) == vec_hit_multi[hitgroup])
        return HAM_IGNORED
    
    SetHamParamFloat(4, damage * get_pcvar_float(pcv_hitgroup[hitgroup]) / vec_hit_multi[hitgroup])
    return HAM_HANDLED
}