Console

-- Script made by Oysi

local this = {}

-- Declarations
local open = false

local text = ""
local textData = {}
local textLimit = 10

local nextBackspace = 0
local backspaceTime = 0.04

-- Setup environment
local env = {}
for i, v in pairs(_G) do
    env[i] = v
end

-- Settings
function this.setOpen(o) open = o end
function this.getOpen() return open end

function this.setTextLimit(t) textLimit = t end
function this.getTextLimit() return textLimit end

function this.getEnv() return env end

-- Functions
function this.addText(t)
    table.insert(textData, 1, t)
    table.remove(textData, textLimit)
end

env.print = this.addText

-- Draw
function this.draw()
    -- Draw background
    love.graphics.setColor(50, 50, 50, 200)
    love.graphics.rectangle("fill", 0, 0, love.window.getWidth(), 10 + textLimit*20 + 10)

    -- Draw text data
    love.graphics.setColor(255, 255, 255, 255)
    for i = 1, #textData do
        love.graphics.print(tostring(textData[i]), 10, (textLimit - i)*20)
    end

    -- Draw text
    love.graphics.print("> " .. text, 10, textLimit*20)
end

-- Update
function this.update(delta)
    if love.keyboard.isDown("backspace") then
        nextBackspace = nextBackspace + delta
        if nextBackspace > backspaceTime then
            nextBackspace = nextBackspace - backspaceTime
            text = text:sub(1, -2)
        end
    end
end

-- Key pressed
function this.keypressed(k)
    if k == "return" then
        this.addText("> " .. text)

        local func, err = loadstring("return " .. text)
        if not func then
            func, err = loadstring(text)
        end
        if func then
            setfenv(func, env)
            local success, result = coroutine.resume(coroutine.create(func))
            if success then
                if result then
                    this.addText(result)
                end
            else
                this.addText(result)
            end
        else
            this.addText(err)
        end

        text = ""
    elseif k == "backspace" then
        text = text:sub(1, -2)
        nextBackspace = -0.4
    end
end

-- Text input
function this.textinput(t)
    if t == "|" then
        open = not open
    else
        if open then
            text = text .. t
        end
    end
end

-- Return
return this