--[[
    Script Name: 		Keep Follow Friend
    Description: 		Keep follow for friend on map (only this same level) with specific range
    Required:           Rifbot 1.94 + (2021-08-03)
    Author: 			Ascer - example
]]

local config = {
    player = "Char Name",         -- player name we follow
    dist = 1,                       -- distance between player and you (min 1, max 4 sqms)
    fastwalking = true,              -- enter critical section to run faster
    
    monsters = {                    -- follow player only when no monsters on screen
        enabled = false,            -- enabled true/false
        range = 7,                  -- range for monsters
        count = 1,                  -- how many monsters appear on screen to stop follow friend
        ignore = {"Rat", "Snake"}   -- just ignore this monsters due calcuation.
    }  
}   

-- DON'T EDIT BELOW THIS LINE

config.monsters.ignore = table.lower(config.monsters.ignore)

-- set fast walking
if config.fastwalking then
    Rifbot.setCriticalMode(true)
end    

----------------------------------------------------------------------------------------------------------------------------------------------------------
--> Function:       getMonsters()
--> Description:    Read creatures for monsters on screen.
--> Class:          None
--> Params:         None
--> Return:         number amount monsters on screen.
----------------------------------------------------------------------------------------------------------------------------------------------------------
function getMonsters()
    local count = 0
    for i, mob in pairs(Creature.iMonsters(config.monsters.range, false)) do
        if not table.find(config.monsters.ignore, string.lower(mob.name)) then
            count = count + 1
        end    
    end
    return count
end

-- module 200ms
Module.New("Keep Follow Friend", function ()
    
    -- set param
    local allowReach = true

    -- when checking monsters is enabled
    if config.monsters.enabled then

        -- when are monsters
        if getMonsters() > 0 then

            -- set checking for false
            allowReach = false

            -- enable targeting
            if not Targeting.isEnabled() then Targeting.Enabled(true) end

        else      

            -- disable targeting
            if Targeting.isEnabled() then Targeting.Enabled(false) end

        end

    end    

    -- when allow to reach
    if allowReach then

        -- load players
        for i, player in ipairs(Creature.iPlayers(9, false)) do

            -- when player name is this same as we looking for.
            if string.lower(player.name) == string.lower(config.player) then

                -- set default mode
                local range = "follow"

                -- set range
                if config.dist == 2 then
                    range = "2sqm"
                elseif config.dist == 3 then
                    range = "3sqm"
                elseif config.dist == 4 then
                    range = "4sqm" 
                end   

                -- follow creature
                Creature.Reach(player, range)

                -- break loop
                break

            end 

        end

    end     

end)