Erik.ai Pathfinder

-- Erik's Companion Mode [Dec. 28 2023 Edition] --

local SearchDistance = 2500

function getHumanoid(model)
    for _, v in pairs(model:GetChildren()) do
        if v:IsA'Humanoid' then
            return v
        end
    end
end

local erikAI = script.Parent
local human = getHumanoid(erikAI)
local hroot = erikAI.HumanoidRootPart
local zspeed = hroot.Velocity.magnitude

local pfs = game:GetService("PathfindingService")

function GetPlayerNames()
    local players = game:GetService('Players'):GetChildren()
    local name = nil
    for _, v in pairs(players) do
        if v:IsA'Player' then
            name = tostring(v.Name)
        end
    end
    return name
end

function GetPlayersBodyParts(t)
    local torso = t
    if torso then
        local figure = torso.Parent
        for _, v in pairs(figure:GetChildren()) do
            if v:IsA'Part' then
                return v.Name
            end
        end
    else
        return "HumanoidRootPart"
    end
end

function GetTorso(part)
    local chars = game.Workspace:GetChildren()
    local torso = nil
    for _, v in pairs(chars) do
        if v:IsA'Model' and v ~= erikAI and v.Name == GetPlayerNames() then
            local charRoot = v:FindFirstChild'HumanoidRootPart'
            if (charRoot.Position - part).magnitude < SearchDistance then
                torso = charRoot
            end
        end
    end
    return torso
end

for _, erikAIparts in pairs(erikAI:GetChildren()) do
    if erikAIparts:IsA'Part' then
        erikAIparts.Touched:Connect(function(p)
            if p.Parent.Name == GetPlayerNames() and p.Parent.Name ~= erikAI.Name then
                local target = p.Parent
                local targetHuman = getHumanoid(target)
            end
        end)
    end
end

local path
local waypoint
local oldpoints
local isWandering = 0

while wait() do
    local targetTorso = GetTorso(hroot.Position)
    if targetTorso ~= nil then
        isWandering = 1
        local function checkw(t)
            local ci = 3
            if ci > #t then
                ci = 3
            end
            if t[ci] == nil and ci < #t then
                repeat
                    ci = ci + 1
                    wait()
                until t[ci] ~= nil
                return Vector3.new(1, 0, 0) + t[ci]
            else
                ci = 3
                return t[ci]
            end
        end

        path = pfs:FindPathAsync(hroot.Position, targetTorso.Position)
        waypoint = path:GetWaypoints()
        oldpoints = waypoint
        local connection;

        local direct = Vector3.FromNormalId(Enum.NormalId.Front)
        local ncf = hroot.CFrame * CFrame.new(direct)
        direct = ncf.p.unit
        local rootr = Ray.new(hroot.Position, direct)
        local phit, ppos = game.Workspace:FindPartOnRay(rootr, hroot)

        if path and waypoint or checkw(waypoint) then
            if checkw(waypoint) ~= nil and checkw(waypoint).Action == Enum.PathWaypointAction.Walk then
                human:MoveTo(checkw(waypoint).Position)
                human.Jump = false
            end

            if checkw(waypoint) ~= nil and checkw(waypoint).Action == Enum.PathWaypointAction.Jump then
                human.Jump = true
                connection = human.Changed:Connect(function()
                    human.Jump = true
                end)
                human:MoveTo(checkw(waypoint).Position)
            else
                human.Jump = false
            end

            hroot.Touched:Connect(function(p)
                local bodypartnames = GetPlayersBodyParts(targetTorso)
                if p:IsA'Part' and not p.Name == bodypartnames and phit and phit.Name ~= bodypartnames and phit:IsA'Part' and rootr:Distance(phit.Position) < 5 then
                    connection = human.Changed:Connect(function()
                        human.Jump = true
                    end)
                else
                    human.Jump = false
                end
            end)

            if connection then
                connection:Disconnect()
            end

        else
            for i = 3, #oldpoints do
                human:MoveTo(oldpoints[i].Position)
            end
        end
    elseif targetTorso == nil then
        path = nil
        waypoint = nil
        human.MoveToFinished:Wait()
    end
end