#include <sourcemod>
#include <sdktools>
#include <sdkhooks>

#pragma semicolon 1

#define ZOMBIECLASS_CHARGER 6

int hitgroup;
new bool:g_HeadShot;
new bool:lateLoad;
char sDataFilePath[PLATFORM_MAX_PATH];

public APLRes:AskPluginLoad2(Handle:plugin, bool:late, String:error[], errMax)
{
    lateLoad = late;
    return APLRes_Success;
}

public OnPluginStart()
{
    if (lateLoad)
    {
        for (new client = 1; client <= MaxClients; client++)
        {
            if (IsClientInGame(client))
            {
                OnClientPutInServer(client);
            }
        }
    }
    BuildPath(Path_SM, sDataFilePath, sizeof(sDataFilePath), "data/weapons_damage_charger.ini");
    if (!FileExists(sDataFilePath))
    {
        new Handle:open_path = OpenFile(sDataFilePath, "w");
        WriteFileLine(open_path, "");
        CloseHandle(open_path);
        PrintToServer("Error Code: WSP-EC-01A");
        KvWriteToFile(sDataFilePath);
    }
    HookEvent("player_hurt", OnPlayerHurt);
}

void KvWriteToFile(const char[] path)
{
    KeyValues kv = new KeyValues("damage_modifier");
    kv.SetNum("weapon_autoshotgun/charger_damage", 1);
    kv.SetNum("weapon_hunting_rifle/charger_damage", 1);
    kv.SetNum("weapon_pistol/charger_damage", 1);
    kv.SetNum("weapon_rifle_ak47/charger_damage", 1);
    kv.SetNum("weapon_rifle/charger_damage", 1);
    kv.SetNum("weapon_pumpshotgun/charger_damage", 1);
    kv.SetNum("weapon_sniper_awp/charger_damage", 1);
    kv.SetNum("weapon_shotgun_chrome/charger_damage", 1);
    kv.SetNum("weapon_pistol_magnum/charger_damage", 1);
    kv.SetNum("weapon_shotgun_spas/charger_damage", 1);
    kv.SetNum("weapon_smg/charger_damage", 1);
    kv.SetNum("weapon_smg_mp5 /charger_damage", 1);
    kv.SetNum("weapon_smg_silenced/charger_damage", 1);
    kv.SetNum("weapon_sniper_military/charger_damage", 1);
    kv.SetNum("weapon_rifle_sg552/charger_damage", 1);
    kv.SetNum("weapon_sniper_scout/charger_damage", 1);
    kv.SetNum("weapon_rifle_m60/charger_damage", 1);
    kv.SetNum("weapon_rifle_desert/charger_damage", 1);
    kv.SetNum("weapon_autoshotgun/charger_damage_headshot", 1);
    kv.SetNum("weapon_hunting_rifle/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_pistol/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_rifle_ak47/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_rifle/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_pumpshotgun/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_sniper_awp/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_shotgun_chrome/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_pistol_magnum/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_shotgun_spas/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_smg/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_smg_mp5 /charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_smg_silenced/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_sniper_military/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_rifle_sg552/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_sniper_scout/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_rifle_m60/charger_damage_headshot_headshot", 1);
    kv.SetNum("weapon_rifle_desert/charger_damage_headshot_headshot", 1);

    kv.ExportToFile(path);

    delete kv;
}

public Action:OnPlayerHurt(Handle:event, const String:name[], bool:dontBrodcast)
{
    hitgroup = GetEventInt(event, "hitgroup");

    if(hitgroup == 1)
    {
        g_HeadShot = true;
    }
    else
    {
        g_HeadShot = false;
    }
}

public OnClientPutInServer(client)
{
    SDKHook(client, SDKHook_OnTakeDamage, OnTakeDamage);
}

public OnClientDisconnect(client)
{
    SDKUnhook(client, SDKHook_OnTakeDamage, OnTakeDamage);
}

public Action:OnTakeDamage(victim, &attacker, &inflictor, &Float:damage, &damagetype)
{
    decl String:classname[64];
    GetClientWeapon(attacker, classname, sizeof(classname));

    if(!StrEqual(classname, "weapon_grenade_launcher"))
    return Plugin_Continue;

    if (!(damagetype & DMG_BURN))
    {
        if (IsValidCharger(victim))
        {
            if(IsValidClient(victim))
            {
                KeyValues kv = new KeyValues("damage_modifier");
                if (kv.ImportFromFile(sDataFilePath))
                {
                    if (KvJumpToKey(kv, classname, true))
                    {
                        int heal = GetClientHealth(victim);
                        PrintToChatAll("Charger=%i", heal);
                        new num = KvGetNum(kv, "charger_damage", 1);
                        damage = (damage * 0) + num;
                        if(g_HeadShot == true)
                        {
                            num = KvGetNum(kv, "charger_damage_headshot_headshot", 1);
                            damage = (damage * 0) + num;
                        }
                        return Plugin_Changed;
                    }
                }
            }
        }
    }
    return Plugin_Continue;
}

public IsValidCharger(client)
{
    if (IsValidClient(client) && GetClientTeam(client) == 3)
    {
        new class = GetEntProp(client, Prop_Send, "m_zombieClass");

        if (class == ZOMBIECLASS_CHARGER)
            return true;

        return false;
    }

    return false;
}

public IsValidClient(client)
{
    if (client <= 0)
        return false;

    if (client > MaxClients)
        return false;

    if (!IsClientInGame(client))
        return false;

    if (!IsPlayerAlive(client))
        return false;

    return true;
}