Armuraaa

#include <amxmodx>
#include <hamsandwich>
#include <fakemeta>

#define PLUGIN "Armor block knife dmg"
#define VERSION "1.0"
#define AUTHOR "Nubo"

// Credits: cheap_suit - Biohazard ZM 3.1

new g_cAbsorbPercent

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

	RegisterHam( Ham_TakeDamage, "player", "ham_takedamage_pre", 0 )

	g_cAbsorbPercent = register_cvar( "armor_absorption_percent", "0.20" ) // 0.25 = 25% , 0.5 = 50% , etc.
}

public ham_takedamage_pre( victim, inflictor, attacker, Float:damage, damagetype )
{
	if( victim == attacker || !is_user_alive(victim) || !is_user_alive(attacker) )
		return HAM_IGNORED

	if( attacker != inflictor )
		return HAM_IGNORED

	static Float:armor
	pev( victim, pev_armorvalue, armor )

	static Float:extra_dmg
	static Float:absorption

	if( armor > 0.0 )
	{
		absorption = damage * get_pcvar_float(g_cAbsorbPercent)

		extra_dmg = damage - absorption

		armor -= absorption

		if( armor < 0.0 )
		{
			extra_dmg -= armor
			armor = 0.0
		}

		set_pev( victim, pev_armorvalue, armor )

		SetHamParamFloat( 4, extra_dmg )
	}

	return HAM_HANDLED
}