AddCSLuaFile("autorun/client/antispam.lua")

local banned = { "models/props_buildings/CollapsedBuilding01a.mdl" } //some props have weird volumes, manually blacklist them here
local vollimit = 1770000 //props with a physics volume larger than this will be blocked
local maxwarn = 10 //maximum spam warnings after which a user is kicked
local interval = 1 //time (in seconds) between each valid prop spawn
local cooldown = 10 //time (in seconds) after which the player's warning count is reset (provided they didn't spam during the cooldown)

function AntiSpam(ply, mdl, ent)
    //if (ply:IsAdmin()) then return true end

    local vol = ent:GetPhysicsObject():GetVolume()

    if (table.HasValue(banned, mdl)) then
        ent:Remove()
        umsg.Start("ASMsg.Block", ply)
        umsg.End()
        return true
    end

    if (vol > vollimit) then
        ent:Remove()
        umsg.Start("ASMsg.Limit", ply)
        umsg.Long(vol)
        umsg.Long(vollimit)
        umsg.End()
        return true
    end

    if (ply.LastSpawnedTime + interval > CurTime()) then
        ent:Remove()

        ply.SpamWarnings = ply.SpamWarnings + 1

        ply.LastSpammed = CurTime()

        umsg.Start("ASMsg.Warn", ply)
        umsg.Short(ply.SpamWarnings)
        umsg.Short(maxwarn)
        umsg.End()

        if (ply.SpamWarnings >= maxwarn) then ply:Kick("Spamming") end
        return true
    else
        ply.LastSpawnedTime = CurTime()
    end
end

function SpamWarningDecay()
    for k, ply in pairs(player.GetAll()) do
        if ply.LastSpammed + cooldown < CurTime() and ply.SpamWarnings > 0 then
            ply.SpamWarnings = 0
        end
    end
end

hook.Add("Think", "SpamWarningDecay", SpamWarningDecay)
hook.Add("PlayerSpawnedProp", "antispam", AntiSpam)
hook.Add("PlayerInitialSpawn", "antispamset", function(ply) ply.LastSpawnedTime = 0 ply.SpamWarnings = 0 ply.LastSpammed = 0 end)