hidden_gate.lua

realityForger = peripheral.wrap("left")
playerDetector = peripheral.wrap("right")
chatBox = peripheral.wrap("back")

local gateBlocks = {
  {x=0, y=0, z=3},
  {x=1, y=0, z=3},
  {x=0, y=1, z=3},
  {x=1, y=1, z=3},
}

local gateSurroundBlocks = {
  {x=-1, y=0, z=3},
  {x=2, y=0, z=3},
  {x=-1, y=1, z=3},
  {x=2, y=1, z=3},
  {x=-1, y=2, z=3},
  {x=2, y=2, z=3},
  {x=0, y=2, z=3},
  {x=1, y=2, z=3},
}

local function playerInArea()
  pos = playerDetector.getPlayerPos("Dev")
  if (pos.x ~= 4 and pos.x ~= 3) then
    return false
  end
  if (pos.y ~= 56 and pos.x ~= 57) then
    return false
  end
  if (pos.z ~= 15 and pos.z ~= 16 and pos.z ~= 17 and pos.z ~= 14 and pos.z ~= 18) then
    return false
  end
  return true
end

local gateState = false

local function playOpenGateAnimation()
realityForger.forgeRealityPieces(gateBlocks, {block = "minecraft:barrel"})
sleep(1)
realityForger.forgeRealityPieces(gateBlocks, {invisible = true, playerPassable = true})
realityForger.forgeRealityPieces(gateSurroundBlocks, {block = "minecraft:barrel"})
end

local function playCloseGateAnimation()
realityForger.forgeRealityPieces(gateSurroundBlocks, {block = "minecraft:stone_bricks"})
realityForger.forgeRealityPieces(gateBlocks, {block = "minecraft:barrel", invisible = false, playerPassable = false})
sleep(1)
  realityForger.forgeRealityPieces(gateBlocks, {block = "minecraft:stone_bricks"})
end

result, err = realityForger.forgeReality({block = "minecraft:stone_bricks"})
if (not result) then
print(err)
end

while true do
  sleep(0.1)
  if playerInArea() then
    if not gateState then
      pcall(chatBox.sendMessageToPlayer, "Welcome master, gate are opened for you", "Dev")
      playOpenGateAnimation()
      gateState = true
    end
  else
    if gateState then
      playCloseGateAnimation()
      gateState = false
    end
  end
end