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

char sDataFilePath[PLATFORM_MAX_PATH];

int m_flSpeed;

public OnPluginStart()
{
    m_flSpeed = FindSendPropInfo("CTerrorPlayer", "m_flLaggedMovementValue");

    BuildPath(Path_SM, sDataFilePath, sizeof(sDataFilePath), "data/weapons_speed.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("item_pickup", Event_ItemPickup, EventHookMode_Post);
}

public Action:Event_ItemPickup(Handle:event, const String:name[], bool:dontBroadcast)
{
    new i = GetClientOfUserId(GetEventInt(event, "userid"));
    if(bIsSurvivor(i))
    {
        KeyValues kv = new KeyValues("speed_modifier");
        if (kv.ImportFromFile(sDataFilePath))
        {
            new priWeapon = GetPlayerWeaponSlot(i, 0);
            if (!IsValidEntity(priWeapon)) return Plugin_Continue;

            decl String:sWeaponEx[32];
            GetEntityClassname(priWeapon, sWeaponEx, sizeof(sWeaponEx));
            if (KvJumpToKey(kv, sWeaponEx, true))
            {
                float num = KvGetFloat(kv, "speed", 1.0);
                float gravity = KvGetFloat(kv, "gravity", 1.0);
                SetEntData(i, m_flSpeed, num);
                SetEntityGravity(i, gravity)
            }
        }
    }
    return Plugin_Continue;
}

void KvWriteToFile(const char[] path)
{
    KeyValues kv = new KeyValues("speed_modifier");
    kv.SetFloat("weapon_autoshotgun/speed", 1.0);
    kv.SetFloat("weapon_hunting_rifle/speed", 1.0);
    kv.SetFloat("weapon_pistol/speed", 1.0);
    kv.SetFloat("weapon_rifle_ak47/speed", 1.0);
    kv.SetFloat("weapon_rifle/speed", 1.0);
    kv.SetFloat("weapon_pumpshotgun/speed", 1.0);
    kv.SetFloat("weapon_sniper_awp/speed", 1.0);
    kv.SetFloat("weapon_shotgun_chrome/speed", 1.0);
    kv.SetFloat("weapon_pistol_magnum/speed", 1.0);
    kv.SetFloat("weapon_shotgun_spas/speed", 1.0);
    kv.SetFloat("weapon_smg/speed", 1.0);
    kv.SetFloat("weapon_smg_mp5/speed", 1.0);
    kv.SetFloat("weapon_smg_silenced/speed", 1.0);
    kv.SetFloat("weapon_sniper_military/speed", 1.0);
    kv.SetFloat("weapon_rifle_sg552/speed", 1.0);
    kv.SetFloat("weapon_sniper_scout/speed", 1.0);
    kv.SetFloat("weapon_rifle_m60/speed", 1.0);
    kv.SetFloat("weapon_rifle_desert/speed", 1.0);

    kv.SetFloat("weapon_autoshotgun/gravity", 1.0);
    kv.SetFloat("weapon_hunting_rifle/gravity", 1.0);
    kv.SetFloat("weapon_pistol/gravity", 1.0);
    kv.SetFloat("weapon_rifle_ak47/gravity", 1.0);
    kv.SetFloat("weapon_rifle/speed", 1.0);
    kv.SetFloat("weapon_pumpshotgun/gravity", 1.0);
    kv.SetFloat("weapon_sniper_awp/gravity", 1.0);
    kv.SetFloat("weapon_shotgun_chrome/gravity", 1.0);
    kv.SetFloat("weapon_pistol_magnum/gravity", 1.0);
    kv.SetFloat("weapon_shotgun_spas/gravity", 1.0);
    kv.SetFloat("weapon_smg/gravity", 1.0);
    kv.SetFloat("weapon_smg_mp5/gravity", 1.0);
    kv.SetFloat("weapon_smg_silenced/gravity", 1.0);
    kv.SetFloat("weapon_sniper_military/gravity", 1.0);
    kv.SetFloat("weapon_rifle_sg552/gravity", 1.0);
    kv.SetFloat("weapon_sniper_scout/gravity", 1.0);
    kv.SetFloat("weapon_rifle_m60/gravity", 1.0);
    kv.SetFloat("weapon_rifle_desert/gravity", 1.0);
    kv.ExportToFile(path);

    delete kv;
}

stock bool bIsSurvivor(int client)
{
    return client > 0 && client <= MaxClients && IsClientInGame(client) && GetClientTeam(client) == 2 && !IsClientInKickQueue(client) && IsPlayerAlive(client);
}