voteskip.lua

-- Script by giraffe

api_version = "1.6.0.0"

-- In seconds the time required before you can vote to skip
required_time = 300

-- Percent value between 0 through 100
required_percent = 40

-- In seconds the time to check if map should be skipped
skip_check_time = 1.5

-- DO NOT EDIT --
has_voted_to_skip = {}
time_waited = {}
map_skipped = false

function OnScriptLoad()
    timer(1000, "AddTime")
    timer(skip_check_time * 1000, "SkipCheck")
    register_callback(cb['EVENT_GAME_START'], "OnGameStart")
    register_callback(cb['EVENT_CHAT'], "OnChatMessage")
    register_callback(cb['EVENT_LEAVE'], "OnPlayerLeave")
    register_callback(cb['EVENT_GAME_END'], "OnGameEnd")

end

function OnScriptUnload() end

function OnGameStart()
    map_skipped = false
    has_voted_to_skip = {}
    time_waited = {}
end

function OnChatMessage(PlayerIndex, Message)
    if(Message:lower() == "skip") then
        if(map_skipped) then
            say(PlayerIndex, "Map is already changing.")
        elseif(has_voted_to_skip[PlayerIndex] == true) then
            say(PlayerIndex, "You have already voted to skip")
        elseif((required_time - time_waited[PlayerIndex]) <= 0) then
            has_voted_to_skip[PlayerIndex] = true
            players_needed = playersNeeded()
            say_all(get_var(PlayerIndex, "$name") .. " has voted to skip this map.")
            if(players_needed == 0) then
                say_all("Enough players have voted to skip. Map is changing.")
            elseif(players_needed == 1) then
                say_all("1 more player vote is needed to skip the map.")
            else
                say_all(players_needed .. " more player votes are needed to skip the map.")
            end
        else
            say(PlayerIndex, "You must wait " .. (required_time - time_waited[PlayerIndex]) .. " more seconds before voting to skip.")
        end
        return false
    end
    return true
end

function OnPlayerLeave(PlayerIndex)
    time_waited[PlayerIndex] = 0
    has_voted_to_skip[PlayerIndex] = false
end

function OnGameEnd()
    map_skipped = true
end

function AddTime()
    for i=1,16 do
        if(player_present(i) and (time_waited[i] == nil or time_waited[i] < required_time)) then
            if(time_waited[i] == nil) then
                time_waited[i] = 1
            else
                time_waited[i] = time_waited[i] + 1
            end
        end
    end
    return true
end

function playersNeeded()
    active_players = 0
    players_voted_skip = 0
    for i=1,16 do
        if(player_present(i)) then
            active_players = active_players + 1
        end
        if(has_voted_to_skip[i] ~= nil and has_voted_to_skip[i] == true) then
            players_voted_skip = players_voted_skip + 1
        end
    end
    return math.ceil((active_players) * (required_percent / 100)) - players_voted_skip
end

function SkipCheck()
    if(not map_skipped) then
        active_players = 0
        players_voted_skip = 0
        for i=1,16 do
            if(player_present(i)) then
                active_players = active_players + 1
            end
            if(has_voted_to_skip[i] ~= nil and has_voted_to_skip[i] == true) then
                players_voted_skip = players_voted_skip + 1
            end
        end
        if((players_voted_skip / active_players) >= (required_percent / 100)) then
            execute_command("sv_map_next")
            map_skipped = true
       end
    end
    return true
end