NodeTest/main.lua

local imgui = require("imgui")

local array = {
    {name="Test", type="Action"},
    {name="Test2", type="Action"},
    {name="Cont", type="Container", holding={4,5,6,7,8}, condition="And"},
    {name="Held", type="Action"},
    {name="Held", type="Action"},
    {name="Held", type="Action"},
    {name="Held", type="Action"},
    {name="Held", type="Action"},
    {name="Held", type="Action"}
}

for i,node in ipairs(array) do node.id = i end

local selected_node = nil

function not_in(v,t)
    for k,e in ipairs(t) do
        if v == e then return false end
    end
    return true
end

function draw_action_node(node)
    local v = 0
    imgui.BeginChildFrame(node.id,0,64, true, {"NoInputs"})

    local x,y = imgui.GetCursorPos()
    imgui.InvisibleButton("",-1,-1)
    if imgui.IsItemClicked() then
        selected_node = node
    end
    imgui.SetCursorPos(x,y)

    imgui.Text(node.name)
    imgui.Separator()

    imgui.EndChildFrame()
end

function draw_array()
    imgui.Begin("Array")
    imgui.BeginChild("", 0,0, true)
    imgui.Columns(2)
    local nodes_drawn_in_containers = {}
    for i,node in ipairs(array) do
        if node.type == "Action" and not_in(i, nodes_drawn_in_containers) then
            draw_action_node(node)
        elseif node.type == "Container" then
            if node.condition == "Or" then
                imgui.PushStyleColor("ChildWindowBg", 0.2,0,0,1)
            elseif node.condition == "And" then
                imgui.PushStyleColor("ChildWindowBg", 0,0.2,0,1)
            else
                imgui.PushStyleColor("ChildWindowBg", 0,0,0,1)
            end
            imgui.BeginChild("Container "..i, 0,104, true, {"NoInputs"})
            local x,y = imgui.GetCursorPos()
            imgui.InvisibleButton("",-1,-1)
            if imgui.IsItemClicked() then
                selected_node = node
            end
            imgui.SetCursorPos(x,y)


            imgui.Text("Condition | "..node.condition)
            imgui.Separator()
            imgui.Columns(#node.holding, nil, false)
            imgui.PopStyleColor(1)
            for k,v in ipairs(node.holding) do
                nodes_drawn_in_containers[#nodes_drawn_in_containers + 1] = v
                local node = array[v]
                draw_action_node(node)
                imgui.NextColumn()
            end
            imgui.PushStyleColor("ChildWindowBg", 1,0,0,1)
            imgui.EndChild()
            imgui.PopStyleColor(1)
        end
    end
    imgui.NextColumn()
    if selected_node then
        imgui.Text(selected_node.name)
    end
    imgui.Button("OK")
    imgui.EndChild()
    imgui.End()
end


local iui_state = {
    array={cbk = draw_array, show=true}
}



function love.load()
end

function love.update(dt)
    imgui.NewFrame()
end

function love.draw()
    if imgui.BeginMainMenuBar() then
        if imgui.BeginMenu("Test") then
            for k,v in pairs(iui_state) do
                if imgui.MenuItem(k, nil, v.show) then
                    iui_state[k].show = not iui_state[k].show
                end
            end
            imgui.EndMenu()
        end
    end
    imgui.EndMainMenuBar()
    for k,v in pairs(iui_state) do
        if v.show then v.cbk() end
    end
    imgui.Render()
end

function love.quit()
    imgui.ShutDown()
end

--
-- User inputs
--
function love.textinput(t)
    imgui.TextInput(t)
    if not imgui.GetWantCaptureKeyboard() then
        -- Pass event to the game
    end
end

function love.keypressed(key)
    imgui.KeyPressed(key)
    if not imgui.GetWantCaptureKeyboard() then
        -- Pass event to the game
    end
end

function love.keyreleased(key)
    imgui.KeyReleased(key)
    if not imgui.GetWantCaptureKeyboard() then
        -- Pass event to the game
    end
end

function love.mousemoved(x, y)
    imgui.MouseMoved(x, y)
    if not imgui.GetWantCaptureMouse() then
        -- Pass event to the game
    end
end

function love.mousepressed(x, y, button)
    imgui.MousePressed(button)
    if not imgui.GetWantCaptureMouse() then
        -- Pass event to the game
    end
end

function love.mousereleased(x, y, button)
    imgui.MouseReleased(button)
    if not imgui.GetWantCaptureMouse() then
        -- Pass event to the game
    end
end

function love.wheelmoved(x, y)
    imgui.WheelMoved(y)
    if not imgui.GetWantCaptureMouse() then
        -- Pass event to the game
    end
end