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

new g_itemid1,g_itemid2
new cvar_cost1,cvar_cost2
new bool:item1[33], bool:item2[33]

new const g_item_name1[] = { "道具1" }
new const g_item_name2[] = { "道具2" }

public plugin_init(){
     register_plugin("1.0", "1.0", "1.0")

     cvar_cost1= register_cvar("zp_item1_cost", "2")//道具1价格
     cvar_cost2= register_cvar("zp_item2_cost", "4")//道具2价格
          
     g_itemid1= zp_register_extra_item(g_item_name1, get_pcvar_num(cvar_cost1), ZP_TEAM_HUMAN)
     g_itemid2= zp_register_extra_item(g_item_name2, get_pcvar_num(cvar_cost2), ZP_TEAM_HUMAN)

     RegisterHam(Ham_TakeDamage, "player", "fw_TakeDamage")
     register_forward(FM_PlayerPreThink, "fw_PlayerPreThink")
}
public zp_extra_item_selected (id, itemid) {       
     if (itemid == g_itemid1){
           item1[id] = true
           client_print(id, print_chat, "[ZP] 你购买了道具1.")
           cs_set_user_armor(id ,150 ,CS_ARMOR_KEVLAR)
     }

     if (itemid == g_itemid2){
           item2[id] = true
           client_print(id, print_chat, "[ZP] 你购买了道具2.")
           cs_set_user_armor(id ,300 ,CS_ARMOR_KEVLAR)
     }
}

public fw_TakeDamage(victim, inflictor, attacker, Float:damage, damage_type) {
     if (victim != attacker || is_user_connected(attacker)) {
           if (item1[victim] || item2[victim]){            
                 new armor = get_user_armor(victim)
                 new damage_armor = floatround(damage)
                 if (damage_armor > 0 && armor > 0) {
                       if (armor > damage_armor) {
                             damage -= damage_armor
                             fm_set_user_armor(victim, armor - damage_armor)
                       } else {
                             damage -= armor
                             fm_set_user_armor(victim, 0)
                       }
                       damage = (damage * 0)
                       SetHamParamFloat(4, damage)
                 }
           }
     }
}

public fw_PlayerPreThink(id)
{
     if (is_user_alive(id) || item1[id] || item2[id]) {
           new armor = get_user_armor(id)
           if (armor <= 0){
                 item1[id] = false
                 item2[id] = false
           }
     }

     if (zp_get_user_zombie(id)) {
           item1[id] = false
           item2[id] = false
     }

     if (!is_user_alive(id)) {
           item1[id] = false
           item2[id] = false
     }
}

stock fm_set_user_armor(index, armor){
     set_pev(index, pev_armorvalue, float(armor));
     
     return 1;
}