Raters NPC Api

--the table for storing all the functions
NPCEngine = {}

--for storing all the data for the NPCs
NPCEngine.Data = {}

--the list of stored entities
NPCEngine.Data.entities = {}
--the list of stored objects
NPCEngine.Data.objects = {}

--for creating a basic fireable event
local function createEvent()
    --the returning table
    local ret = {}

    --for storeing the list of instances that we create for bindable functions
    ret.instances = {}

    --for fireing the event, with varied arguments
    function ret:fire(...)
        for i, v in pairs(ret.instances) do
            v(...)
        end
    end

    --for registering new events
    function ret:connect(_f)
        table.insert(ret.instances, _f)
    end

    --then returning the new bindable event
    return ret
end

--for registering new NPCs
function NPCEngine:new(npcname)
    local npc = {}

    function npc:spawn(...)
        local args = {...}
        if #args == 1 then
            --using pos
            pos = args[1]
            npc.Events.OnSpawn:fire(pos)
            print("[Info] NPC SPAWNING COMING SOON!")
        elseif #args >= 3 then
            --use x, y, z
            local x, y, z = args[1], args[2], args[3]
            local pos = {x = x, y = y, z = z}
            npc.Events.OnSpawn:fire(pos)
            print("[Info] NPC SPAWNING COMING SOON!")
        else
            error("Invalid arguments, npc:spawn(pos) or npc:spawn(x,y,z)")
        end
    end

    --for creating new events
    --usage: event.EventName:connect(FiredFunction)
    --event.EventName:fire(...) will throw the event with the arguments you specify
    npc.Events = {}
    npc.Events.OnSpawn = createEvent()
    npc.Events.OnDied = createEvent()
    npc.Events.OnUpdate = createEvent()
    npc.Events.OnSave = createEvent()
    npc.Events.OnLoad = createEvent()

    table.insert(NPCEngine.Data.objects)

end



minetest.NPC = NPCEngine