Simple cutscene

local routine = require("routine")

local lockedInputs = {}
local lastInputs = {}

local inputsLocked = false

-- Call this function to lock player inputs
function lockInputs()
	inputsLocked = true
	for k,v in pairs(player.keys) do
		lockedInputs[k] = false
		lastInputs[k] = player.keys[k]
	end
end

-- Call this function to unlock player inputs
function unlockInputs()
	inputsLocked = false
end

-- Set up events that, when called in SMBX, start a lua cutscene
function onEvent(eventName)
	if eventName == "StartCutscene" then
		Routine.run(sampleCutscene) -- Starts the cutscene
	end
end

-- Lock inputs if inputs are locked
function onTick()
	if inputsLocked then
		for k,v in pairs(player.keys) do
			lastInputs[k] = player.keys[k]
			player.keys[k] = lockedInputs[k]
		end
	end
end

-- Reset the locked inputs, to prevent some edge case scenarios
function onTickEnd()
	if inputsLocked then
		for k,v in pairs(player.keys) do
			player.keys[k] = lastInputs[k]
		end
	end
end

-- Routine cutscenes are functions that can use the Routine class
function sampleCutscene()
	lockInputs()

	Text.showMessageBox("Hey, CHUMP!")

	-- https://docs.codehaus.moe/#/reference/Routine
	Routine.wait(1) -- Wait 1 second
	Routine.waitFrames(20) -- Wait 20/64 of a second
	Routine.skip() -- Wait 1 frame

	-- Force the player to run right
    -- right, left, up, down, run, altRun, jump, altJump, dropItem, pause
	lockedInputs.right = true
	Routine.wait(1)
	lockedInputs.right = false

	Text.showMessageBox("Let's fight!")

	unlockInputs()
end