Player.luau

local player = script.Parent
local world = player.World

BRIDGE_MIN = vec(16, 45, -51)
BRIDGE_MAX = vec(27, 45, -47)

PLAYER_BB_OFFSETS = {
    vec(-0.3, 0, -0.3),
    vec(0.3, 0, -0.3),
    vec(-0.3, 0, 0.3),
    vec(0.3, 0, 0.3),
}

function fill(from: vector, to: vector, block: BlockType)
    for x = from.x, to.x do
        for y = from.y, to.y do
            for z = from.z, to.z do
                world:SetBlock(vec(x, y, z), block)
            end
        end
    end
end

function floorvec(v: vector): vector
    return vec(math.floor(v.x), math.floor(v.y), math.floor(v.z))
end

pendingBlocks = {}

function OnTick()
    local blockPos = player.Position - vec(0, 1, 0)

    for _, offset in PLAYER_BB_OFFSETS do
        local pos = blockPos + offset
        if world:GetBlock(pos) ~= blocks.GRAY_WOOL then
            return
        end
        pos = floorvec(pos)
        if pendingBlocks[pos] then
            return
        end

        pendingBlocks[pos] = true
        system:RunLater(10, function()
            world:SetBlock(pos, blocks.AIR)
            world:SpawnEntity("minecraft:falling_block", pos + vec(0.5, 0, 0.5), {})
        end)
    end
end

function OnLeverFlipped(pos: vector, block: BlockType): boolean
    if block ~= blocks.LEVER or block["powered"] ~= "false" then
        return false -- Do not allow the block interaction (cancel it basically)
    end

    -- Build the bridge
    world:SetBlock(pos, block{ powered = "true" })
    fill(BRIDGE_MIN, BRIDGE_MAX, blocks.LIME_CONCRETE)
    return true
end

world.OnTick:Listen(OnTick)
world.OnBlockInteract:Listen(OnLeverFlipped)