makeclass("world")
makeclass('login')
makeclass("engio")
makeclass('cube')
makeclass('sphere')

-- This gets called on every login except the admin user.
function login.init()
    local player = global.get("nextplayer") 
    global.set("nextplayer", player + 1)
    dprint("login.init initializing player ", player)
    actor.player = player
    tangible.animinit{tan=actor, anim={bp="character", plane="earth", xyz={player * 100, 0, 90}}}
end

-- This gets called on the admin user.  You can call login.init in here if you want.
function world.init()
    dprint("world.init")
    global.set("nextplayer", 0)
    tangible.build{class=cube,   anim={plane="earth", xyz={500,-100,0}, mat_color={1,0,0}}}
    tangible.build{class=sphere, anim={plane="earth", xyz={500,100,0}, mat_color={0,0,1}}}
    login.init()
end

function engio.move(action, xyz, facing)
    -- todo: sanity check the parameters.
    dprint("engio.move ", action, " ", xyz[1], " ", xyz[2], " ", xyz[3])
    tangible.animate{tan=actor, anim={action=action, interactive=true, xyz=xyz, facing=facing}}
end

function moveto(x, y)
    local z = tangible.animfinal(actor).xyz[3]
    tangible.animate{tan=actor, anim={action="moveto", xyz={x, y, z}, facing=math.auto}}
end

function cube.lookhotkeys(keys)
    keys:add("Z", "Cube Hi", function () dprint("Doing Cube Hi") end)
    keys:add("X", "Cube Bye", function () dprint("Doing Cube Bye") end)
    keys:add("C", "Cube Yo", function () dprint("Doing Cube Yo") end)
end

function sphere.lookhotkeys(keys)
    keys:add("Z", "Sphere Hi", function () dprint("Doing Sphere Hi") end)
    keys:add("X", "Sphere Bye", function () dprint("Doing Sphere Bye") end)
    keys:add("C", "Sphere Yo", function () dprint("Doing Sphere Yo") end)
end


function engio.getlookat()
    local class = tangible.getclass(place)

    -- if the tangible is not of any class, return empty string.
    if class == nil then
        return ""
    end

    -- if the class has a function 'lookhotkeys', then the correct
    -- look-at widget is 'hotkeys'.  We're going to automatically 
    -- generate the correct response.
    if class.lookhotkeys ~= nil then
        local keys = hotkeylist.create()
        class.lookhotkeys(keys)
        setmetatable(keys, nil)
        return keys
    end

    -- otherwise, if the class has a function 'getlookat', use that.
    if class.getlookat ~= nil then
        return class.getlookat()
    end

    -- by default, return the empty string.
    return ""
end

function engio.presshotkey(action)
    local class = tangible.getclass(place)

    -- if the tangible doesn't have a 'lookhotkeys' function, do nothing
    if class == nil or class.lookhotkeys == nil then
        return
    end

    local press = hotkeypress.create(action)
    class.lookhotkeys(press)
    local closure = press.closure
    if closure ~= nil then
        closure()
    end
end

function jp3()
    tangible.animate{tan=actor, anim={action="play", seq="jump"}}
    tangible.animate{tan=actor, anim={action="play", seq="jump"}}
    tangible.animate{tan=actor, anim={action="play", seq="jump"}}
end