mc build v3.2

local plr = owner

local blockType = 'Grass'
local rot = Vector3.new()
local colorid = 1
local clickid = 1
local _clickid = 1
local blockmode = 1
local totalblocks = 0
local selectmode = 1
local currentnotify

local preplace = nil
local preplacepart = nil
local highlight = nil
local placing = true
local holding = false
local lastmpos = nil
local lasttarget = nil
do
    --//=================================\\
    --|| SAZERENOS' ARTIFICIAL HEARTBEAT
    --\\=================================//

    ArtificialHB = Instance.new("BindableEvent", script)
    ArtificialHB.Name = "ArtificialHB"

    script:WaitForChild("ArtificialHB")

    frame = (1/60)
    tf = 0
    allowframeloss = false
    tossremainder = false
    lastframe = tick()
    script.ArtificialHB:Fire()

    game:GetService("RunService").Heartbeat:connect(function(s, p)
        tf = tf + s
        if tf >= frame then
            if allowframeloss then
                script.ArtificialHB:Fire()
                lastframe = tick()
            else
                for i = 1, math.floor(tf / frame) do
                    script.ArtificialHB:Fire()
                end
            lastframe = tick()
            end
            if tossremainder then
                tf = 0
            else
                tf = tf - frame * math.floor(tf / frame)
            end
        end
    end)

    function Swait(NUMBER)
        if NUMBER == 0 or NUMBER == nil then
            ArtificialHB.Event:wait()
        else
            for i = 1, NUMBER do
                ArtificialHB.Event:wait()
            end
        end
    end

    --//=================================\\
    --\\=================================//

    local pf = Instance.new("Folder")
    pf.Parent = script

    local _s = 4
    local s = Vector3.new(_s,_s,_s)

    local observers = {}

    function create_ray(p1,p2,v)
        local r = workspace:FindPartOnRay(Ray.new(p1,(p2-p1).Unit*(_s+_s/2)),v)
        return r
    end

    function check(p)
        local r = false
        if p and string.match(p.Name:lower(),'block') then
            r = true
        end
        return r
    end

    local observersStatus = {}
    function create_observer(pos)
        local p = Instance.new("Part")
        p.Name = 'block'
        p.Color = Color3.fromRGB(255, 0, 85)
        p.Material = Enum.Material.SmoothPlastic
        p.Anchored = true
        p.CanCollide = true
        p.Locked = false
        p.Position = pos or Vector3.new()
        p.Size = Vector3.new(_s,_s,_s)
        p.Parent = pf
        local look2 = Instance.new("Handles")
        look2.Faces = Faces.new(Enum.NormalId.Front)
        look2.Color3 = Color3.fromRGB(255, 255, 0)
        look2.Adornee = p
        look2.Parent = p
        local back2 = Instance.new("Handles")
        back2.Faces = Faces.new(Enum.NormalId.Back)
        back2.Color3 = Color3.fromRGB(255, 0, 0)
        back2.Adornee = p
        back2.Parent = p
        local activated = Instance.new("BoolValue")
        activated.Name = 'active'
        activated.Value = false
        activated.Parent = p
        table.insert(observers,1,p)
        observersStatus[p] = {nil, tick(), nil}
        return p
    end

    function update_observers()
        for i,v in pairs(observers) do
            if v and v.Parent then
                local block = create_ray(v.CFrame.Position,v.CFrame.Position+v.CFrame.lookVector,v)
                if (check(block) == false) then
                    block = nil
                end
                local status = observersStatus[v]
                if (block ~= status[1] or (block and status[4] ~= tostring(block.BrickColor))) then
                    status[2] = tick()
                end
                status[1] = block
                if (block) then
                    status[4] = tostring(block.BrickColor)
                end
                local actualStatus = tick()-status[2] < .1
                if (actualStatus == status[3]) then
                    continue
                end
                status[3] = actualStatus
                if actualStatus then
                    v.Color = Color3.fromRGB(0, 255, 85)
                else
                    v.Color = Color3.fromRGB(255, 0, 85)
                end
                Swait()
            else
                table.remove(observers,i)
                observersStatus[v] = nil
            end
        end
    end
    --[[
    _G.check = function()
        local r = 0
        for i,v in pairs(observers) do r = r + 1 end
        return r
    end
    ]]
end
local blockfolder = workspace:FindFirstChild('blockfolder')

if not blockfolder then
    blockfolder = Instance.new("Folder")
    blockfolder.Name = ('blockfolder')
    blockfolder.Parent = workspace
end

local mainGUI = Instance.new("ScreenGui")
local Mode = Instance.new("Frame")
local example = Instance.new("TextLabel")
mainGUI.Name = "mainGUI"
mainGUI.Parent = plr.PlayerGui
Mode.Name = "Mode"
Mode.Parent = mainGUI
Mode.Position = UDim2.new(0, 0, 1, -40)
Mode.Size = UDim2.new(1, 0, 0, 20)
Mode.BackgroundColor = BrickColor.new("Dark grey metallic")
Mode.BackgroundColor3 = Color3.new(0.352941, 0.352941, 0.352941)
Mode.BackgroundTransparency = 1
Mode.ZIndex = 10
example.Name = "example"
example.Parent = Mode
example.Position = UDim2.new(0, 0, -2.3499999, 0)
example.Visible = false
example.Size = UDim2.new(1, 0, 2.5999999, 0)
example.BackgroundColor = BrickColor.new("Institutional white")
example.BackgroundColor3 = Color3.new(1, 1, 1)
example.BackgroundTransparency = 1
example.ZIndex = 10
example.Font = Enum.Font.Code
example.FontSize = Enum.FontSize.Size36
example.Text = ""
example.TextColor = BrickColor.new("Institutional white")
example.TextColor3 = Color3.new(1, 1, 1)
example.TextScaled = true
example.TextSize = 36
example.TextStrokeColor3 = Color3.new(0.745098, 0.745098, 0.745098)
example.TextTransparency = 1
example.TextWrap = true
example.TextWrapped = true

local block_properties = {
    ['S'] = 4,
    ["BlockSize"] = Vector3.new(4,4,4),
}

local blockdatas = ({
    ["Grass"]={
        ["Material"]=Enum.Material.Grass,
        ["BrickColor"]=BrickColor.new(52/255, 142/255, 64/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Wood"]={
        ["Material"]=Enum.Material.WoodPlanks,
        ["BrickColor"]=BrickColor.new(218/255, 134/255, 122/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Stone"]={
        ["Material"]=Enum.Material.Concrete,
        ["BrickColor"]=BrickColor.new(163/255, 162/255, 165/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Glass"]={
        ["Material"]=Enum.Material.Glass,
        ["BrickColor"]=BrickColor.new("Institutional white"),
        ["Transparency"]=0.6,
        ["Reflectance"]=1,
    },
    ["Sand"]={
        ["Material"]=Enum.Material.Sand,
        ["BrickColor"]=BrickColor.new(255/255, 204/255, 153/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Gravel"]={
        ["Material"]=Enum.Material.Pebble,
        ["BrickColor"]=BrickColor.new(99/255, 95/255, 98/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Foil"]={
        ["Material"]=Enum.Material.Foil,
        ["BrickColor"]=BrickColor.new(1, 1, 1),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Neon"]={
        ["Material"]=Enum.Material.Neon,
        ["BrickColor"]=BrickColor.new(1, 1, 1),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Bedrock"]={
        ["Material"]=Enum.Material.Metal,
        ["BrickColor"]=BrickColor.new("Really black"),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Observer"]={
        ["Material"]=Enum.Material.Metal,
        ["BrickColor"]=BrickColor.new("Really black"),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
}) --[blockType]
local BlockReference = {}
for i, v in pairs(blockdatas) do
    table.insert(BlockReference, i)
    local id = #BlockReference
    v.Id = id
end
for i,v in pairs(blockdatas) do
    totalblocks = totalblocks + 1
end

local colors = {
    'Default',
    BrickColor.new("Institutional white"),
    BrickColor.new("Ghost grey"),
    BrickColor.new("Fossil"),
    BrickColor.new("Smoky grey"),
    BrickColor.new("Black"),
    BrickColor.new("Really black"),
    BrickColor.new("Really blue"),
    BrickColor.new("Really red"),
    BrickColor.new("Lime green"),
    BrickColor.new("Bright green"),
    BrickColor.new("Bright yellow"),
    BrickColor.new("New Yeller"),
    BrickColor.new("Bright orange"),
    BrickColor.new("Brown"),
    BrickColor.new("Royal purple"),
    BrickColor.new("Alder"),
    BrickColor.new("Cyan"),
    BrickColor.new("Pink"),
    BrickColor.new("Crimson"),
    BrickColor.new("Brown"),
}

local function Notify(text,amount)
    local textbox = example:Clone()
    textbox.Parent = example.Parent
    textbox.Text = text
    textbox.Visible = true
    spawn(function()
        game:GetService("TweenService"):Create(textbox,TweenInfo.new(0.25),{TextTransparency = 0}):Play()
        wait(amount)
        game:GetService("TweenService"):Create(textbox,TweenInfo.new(0.25),{TextTransparency = 1}):Play()
        game:GetService("Debris"):AddItem(textbox,0.25)
    end)
    return textbox
end

if currentnotify then
    currentnotify.Visible = false
end
currentnotify = Notify("Successfully loaded KrY's MC Build script!",3)

function round(n)
    return ((n + 0.5) - (n + 0.5) % 1)
end

function checkcoords(pos)
    local canplace = true
    local r3 = Region3.new(pos-Vector3.new(5,5,5),pos+Vector3.new(5,5,5))
    local parts = workspace:FindPartsInRegion3WithWhiteList(r3,{blockfolder},1/0)
    for i,v in ipairs(parts) do
        if v:IsA("BasePart") and v:FindFirstChild("mcblock") and v.Position == pos then
            return false
        end
    end
    return true
end

function round(Num)
    return math.floor(Num + 0.5)
end

function place(pos,mag,ts,t)
    if t then else return end
    local largest = t.Size.X
    local cango = true
    local r3 = Region3.new(pos-Vector3.new(5,5,5),pos+Vector3.new(5,5,5))
    local ph = Instance.new("Part")
    local parts = workspace:FindPartsInRegion3(r3,ph,1/0)
    for i,v in ipairs(parts) do
        if v:IsA("BasePart") and v.Name == "Baseplate" and v:FindFirstChild("owner") then
            if v.owner.Value ~= plr and Vector2.new(pos.X-v.Position.X).magnitude < v.range.Value and Vector2.new(pos.Z-v.Position.Z).magnitude < v.range.Value then
                cango = false
                break
            elseif v.Position == pos then
                cango = false
                break
            end
        end
    end
    if t.Size.Y > largest then
        largest = t.Size.Y
        if t.Size.Z > largest then
            largest = t.Size.Z
        end
    end
    if 10 >= mag and cango then
        if t.Name == "Base" or t.Name == "Baseplate" then
            pos = Vector3.new(round(pos.X/block_properties.S)*block_properties.S,round(pos.Y/block_properties.S)*block_properties.S,round(pos.Z/block_properties.S)*block_properties.S) + Vector3.new(0,block_properties.BlockSize.Y/2,0)
        else
            if ts == "Top" then
                pos = t.CFrame * CFrame.new(0,block_properties.BlockSize.Y,0)
            elseif ts == "Left" then
                pos = t.CFrame * CFrame.new(-block_properties.BlockSize.X,0,0)
            elseif ts == "Right" then
                pos = t.CFrame * CFrame.new(block_properties.BlockSize.X,0,0)
            elseif ts == "Front" then
                pos = t.CFrame * CFrame.new(0,0,-block_properties.BlockSize.Z)
            elseif ts == "Back" then
                pos = t.CFrame * CFrame.new(0,0,block_properties.BlockSize.Z)
            elseif ts == "Bottom" then
                pos = t.CFrame * CFrame.new(0,-block_properties.BlockSize.Y,0)
            end
            pos = pos.Position;
            pos = Vector3.new(round(pos.X/block_properties.S)*block_properties.S,round(pos.Y/block_properties.S)*block_properties.S,round(pos.Z/block_properties.S)*block_properties.S) + Vector3.new(0,-block_properties.BlockSize.Y/2,0)
        end
        if checkcoords(pos) == true and cango then
            local block
            if (blockType == "Observer") then
                block = create_observer()
                block.Parent = blockfolder
            end
            block = block or Instance.new("Part",blockfolder)
            block.Name = "block"
            block.Size = block_properties.BlockSize
            block.Position = pos
            block.Orientation = rot
            block.Material = blockdatas[blockType]['Material']
            local bval = Instance.new("StringValue")
            bval.Name = 'blocktype'
            bval.Value = blockType
            bval.Parent = block
            local cval = Instance.new("NumberValue")
            cval.Name = 'colorid'
            cval.Value = colorid
            cval.Parent = block
            if colors[colorid] == 'Default' then
                block.BrickColor = blockdatas[blockType]['BrickColor']
            else
                block.BrickColor = colors[colorid]
            end
            block.Transparency = blockdatas[blockType]['Transparency']
            block.Reflectance = blockdatas[blockType]['Reflectance']
            block.Anchored = true
            block.CanCollide = true
        end
    end
end

function delete(pos,mag,ts,t)
    if t and t.Parent and ((string.match(t.Parent.Name,'blockfolder') and t.Parent:IsA("Folder")) or t:IsDescendantOf(blockfolder)) then
        t:Destroy()
    end
end

function change(pos,mag,ts,t)
    if t and t.Parent and ((string.match(t.Parent.Name,'blockfolder') and t.Parent:IsA("Folder")) or t:IsDescendantOf(blockfolder)) then
        blockType = t['blocktype'].Value
        colorid = t['colorid'].Value
        if currentnotify then
            currentnotify.Visible = false
        end
        currentnotify = Notify("Block: " ..blockType,2)
    end
end

local remote = Instance.new("RemoteEvent")
remote.Parent = plr['PlayerGui']
local sv = Instance.new("ObjectValue")
sv.Name = 'script'
sv.Value = script
sv.Parent = remote

ls = [[
plr = game:GetService("Players").LocalPlayer
mouse = plr:GetMouse()
remote = script.Parent
sv = remote:FindFirstChild("script").Value
local last_data = {pos = Vector3.new(),mag = 0,'Front',nil}
local blockType = 'Grass'
local rot = Vector3.new()
local colorid = 1
local blockmode = 1
local totalblocks = 0
local selectmode = 1
local currentnotify

local preplace = nil
local preplacepart = nil
local highlight = nil
local placing = true
local lastmpos = nil
local lasttarget = nil
local block_properties = {
    ['S'] = 4,
    ["BlockSize"] = Vector3.new(4,4,4),
}

local blockdatas = ({
    ["Grass"]={
        ["Material"]=Enum.Material.Grass,
        ["BrickColor"]=BrickColor.new(52/255, 142/255, 64/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Wood"]={
        ["Material"]=Enum.Material.WoodPlanks,
        ["BrickColor"]=BrickColor.new(218/255, 134/255, 122/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Stone"]={
        ["Material"]=Enum.Material.Concrete,
        ["BrickColor"]=BrickColor.new(163/255, 162/255, 165/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Glass"]={
        ["Material"]=Enum.Material.Glass,
        ["BrickColor"]=BrickColor.new("Institutional white"),
        ["Transparency"]=0.6,
        ["Reflectance"]=1,
    },
    ["Sand"]={
        ["Material"]=Enum.Material.Sand,
        ["BrickColor"]=BrickColor.new(255/255, 204/255, 153/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Gravel"]={
        ["Material"]=Enum.Material.Pebble,
        ["BrickColor"]=BrickColor.new(99/255, 95/255, 98/255),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Foil"]={
        ["Material"]=Enum.Material.Foil,
        ["BrickColor"]=BrickColor.new(1, 1, 1),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Neon"]={
        ["Material"]=Enum.Material.Neon,
        ["BrickColor"]=BrickColor.new(1, 1, 1),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Bedrock"]={
        ["Material"]=Enum.Material.Metal,
        ["BrickColor"]=BrickColor.new("Really black"),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
    ["Observer"]={
        ["Material"]=Enum.Material.Metal,
        ["BrickColor"]=BrickColor.new("Really black"),
        ["Transparency"]=0,
        ["Reflectance"]=0,
    },
}) --[blockType]
local BlockReference = {}
for i, v in pairs(blockdatas) do
    table.insert(BlockReference, i)
    local id = #BlockReference
    v.Id = id
end
for i,v in pairs(blockdatas) do
    totalblocks = totalblocks + 1
end

local blockfolder = workspace:FindFirstChild('blockfolder')

local colors = {
    'Default',
    BrickColor.new("Institutional white"),
    BrickColor.new("Ghost grey"),
    BrickColor.new("Fossil"),
    BrickColor.new("Smoky grey"),
    BrickColor.new("Black"),
    BrickColor.new("Really black"),
    BrickColor.new("Really blue"),
    BrickColor.new("Really red"),
    BrickColor.new("Lime green"),
    BrickColor.new("Bright green"),
    BrickColor.new("Bright yellow"),
    BrickColor.new("New Yeller"),
    BrickColor.new("Bright orange"),
    BrickColor.new("Brown"),
    BrickColor.new("Royal purple"),
    BrickColor.new("Alder"),
    BrickColor.new("Cyan"),
    BrickColor.new("Pink"),
    BrickColor.new("Crimson"),
    BrickColor.new("Brown"),
}
function update_build()
    if not blockfolder or not blockfolder.Parent then
        blockfolder = workspace:FindFirstChild('blockfolder')
        return
    end
    if placing then
    if not preplacepart or not preplacepart.Parent or not preplace or not preplace.Parent or not highlight or not highlight.Parent then
        if preplace then preplace:Destroy() end
        preplacepart = Instance.new("Part")
        preplace = Instance.new("BlockMesh")
        preplacepart.Parent = sv
        preplacepart.CFrame = CFrame.new(0,0,0)
        preplacepart.Transparency = 0.5
        preplacepart.Size = Vector3.new(0, 0, 0)
        preplacepart.Anchored = true
        preplacepart.CanCollide = false
        highlight = Instance.new("SelectionBox")
        highlight.Adornee = nil -- preplacepart
        highlight.LineThickness = 0.1
        highlight.Parent = preplacepart
        local BillboardGui0 = Instance.new("BillboardGui")
        local TextBox1 = Instance.new("TextBox")
        BillboardGui0.Parent = preplacepart
        BillboardGui0.Size = UDim2.new(0, 200, 1, 0)
        BillboardGui0.Active = true
        BillboardGui0.ClipsDescendants = true
        BillboardGui0.AlwaysOnTop = true
        TextBox1.Parent = BillboardGui0
        TextBox1.Size = UDim2.new(1, 0, 1, 0)
        TextBox1.BackgroundColor = BrickColor.new("Institutional white")
        TextBox1.BackgroundColor3 = Color3.new(1, 1, 1)
        TextBox1.BackgroundTransparency = 1
        TextBox1.BorderSizePixel = 0
        TextBox1.ZIndex = 2
        TextBox1.Font = Enum.Font.SourceSansBold
        TextBox1.FontSize = Enum.FontSize.Size14
        TextBox1.Text = plr.Name
        TextBox1.TextColor = BrickColor.new("Institutional white")
        TextBox1.TextColor3 = Color3.new(1, 1, 1)
        TextBox1.TextScaled = true
        TextBox1.TextSize = 14
        TextBox1.TextStrokeTransparency = 0
        TextBox1.TextWrap = true
        TextBox1.TextWrapped = true
        if selectmode == 1 then
            preplacepart.Material = blockdatas[blockType]['Material']
            if colors[colorid] == 'Default' then
                preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
            else
                preplacepart.BrickColor = colors[colorid]
            end
            preplacepart.Reflectance = blockdatas[blockType]['Reflectance']
            highlight.Color3 = Color3.fromRGB(49, 255, 26)
        elseif selectmode == 2 then
            preplacepart.Material = Enum.Material.Neon
            preplacepart.BrickColor = BrickColor.new("Really red")
            highlight.Color3 = Color3.fromRGB(255, 0, 0)
        elseif selectmode == 3 then
            preplacepart.Material = Enum.Material.Neon
            preplacepart.BrickColor = BrickColor.new("New Yeller")
            highlight.Color3 = Color3.fromRGB(255, 255, 0)
        end
        preplace.Parent = preplacepart
        local S = block_properties.S*2*10
        preplace.Scale = Vector3.new(S,S,S)
    end
    --pcall(function()
    if preplacepart and preplacepart.Parent then
        local pos,mag,ts,t = last_data.pos,last_data.mag,last_data.ts,last_data.t
        if t then else return end
        local largest = t.Size.X
        local cango = true
        local r3 = Region3.new(pos-Vector3.new(5,5,5),pos+Vector3.new(5,5,5))
        local ph = Instance.new("Part")
        local parts = workspace:FindPartsInRegion3(r3,ph,1/0)
        for i,v in ipairs(parts) do
            if v:IsA("BasePart") and v.Name == "Baseplate" and v:FindFirstChild("owner") then
                if v.owner.Value ~= plr and Vector2.new(pos.X-v.Position.X).magnitude < v.range.Value and Vector2.new(pos.Z-v.Position.Z).magnitude < v.range.Value then
                    cango = false
                    break
                elseif v.Position == pos then
                    cango = false
                    break
                end
            end
        end
        if t.Size.Y > largest then
            largest = t.Size.Y
            if t.Size.Z > largest then
                largest = t.Size.Z
            end
        end
        if 10 >= mag and t ~= nil then
            local function round(Num)
                return math.floor(Num + 0.5)
            end
            if t.Name == "Base" or t.Name == "Baseplate" then
                pos = Vector3.new(round(pos.X/block_properties.S)*block_properties.S,round(pos.Y/block_properties.S)*block_properties.S,round(pos.Z/block_properties.S)*block_properties.S) + Vector3.new(0,block_properties.BlockSize.Y/2,0)
            else
                if ts == "Top" then
                    pos = t.CFrame * CFrame.new(0,block_properties.BlockSize.Y,0)
                elseif ts == "Left" then
                    pos = t.CFrame * CFrame.new(-block_properties.BlockSize.X,0,0)
                elseif ts == "Right" then
                    pos = t.CFrame * CFrame.new(block_properties.BlockSize.X,0,0)
                elseif ts == "Front" then
                    pos = t.CFrame * CFrame.new(0,0,-block_properties.BlockSize.Z)
                elseif ts == "Back" then
                    pos = t.CFrame * CFrame.new(0,0,block_properties.BlockSize.Z)
                elseif ts == "Bottom" then
                    pos = t.CFrame * CFrame.new(0,-block_properties.BlockSize.Y,0)
                end
                pos = pos.Position;
                pos = Vector3.new(round(pos.X/block_properties.S)*block_properties.S,round(pos.Y/block_properties.S)*block_properties.S,round(pos.Z/block_properties.S)*block_properties.S) + Vector3.new(0,-block_properties.BlockSize.Y/2,0)
            end
            if (selectmode == 2 or selectmode == 3) and ((string.match(t.Parent.Name,'blockfolder') and t.Parent:IsA("Folder")) or t:IsDescendantOf(blockfolder)) then
                preplacepart.Position = t.Position
            else
                preplacepart.Position = pos
            end
            preplacepart.Orientation = rot
        end
    end
    --end)
    end
end
mouse.KeyDown:Connect(function(key)
    local pos = mouse.Hit.p
    local mag = 0 -- (plr.Character.HumanoidRootPart.Position - pos).magnitude
    local ts = mouse.TargetSurface.Name
    local t = mouse.Target
    last_data = {pos = pos,mag = mag,ts = ts,t = t}
    if key == "q" or key == "e" then
        if placing then
            if key == 'e' and selectmode == 1 then
                if blockmode == totalblocks then
                    blockmode = 1
                    blockType = BlockReference[blockmode]
                    if preplacepart then
                        preplacepart.Material = blockdatas[blockType]['Material']
                        preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                    end
                else
                    blockmode = blockmode + 1
                    blockType = BlockReference[blockmode]
                    if preplacepart then
                        preplacepart.Material = blockdatas[blockType]['Material']
                        preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                    end
                end
            elseif key == 'q' and selectmode == 1 then
                if blockmode == 1 then
                    blockmode = totalblocks
                    blockType = BlockReference[blockmode]
                    if preplacepart then
                        preplacepart.Material = blockdatas[blockType]['Material']
                        preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                    end
                else
                    blockmode = blockmode - 1
                    blockType = BlockReference[blockmode]
                    if preplacepart then
                        preplacepart.Material = blockdatas[blockType]['Material']
                        preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                    end
                end
            end
        end
        remote:FireServer(last_data,2,key)
    end
    if key == "v" then
        placing = not placing
        if not placing then
            if preplace then
                preplace:Destroy()
            end
            if preplacepart then
                preplacepart:Destroy()
            end
        end
        remote:FireServer(last_data,3)
    end
    if key == "f" then
        if placing then
            selectmode = selectmode + 1
            if selectmode > 3 then
                selectmode = 1
            end
            if selectmode == 1 and preplacepart and preplacepart.Parent and highlight and highlight.Parent then
                preplacepart.Material = blockdatas[blockType]['Material']
                if colors[colorid] == 'Default' then
                    preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                else
                    preplacepart.BrickColor = colors[colorid]
                end
                preplacepart.Reflectance = blockdatas[blockType]['Reflectance']
                highlight.Color3 = Color3.fromRGB(49, 255, 26)
            elseif selectmode == 2 and preplacepart and preplacepart.Parent and highlight and highlight.Parent then
                if preplacepart.Parent then
                    preplacepart.Material = Enum.Material.Neon
                    preplacepart.BrickColor = BrickColor.new("Really red")
                    highlight.Color3 = Color3.fromRGB(255, 0, 0)
                end
            elseif selectmode == 3 and preplacepart and preplacepart.Parent and highlight and highlight.Parent then
                if preplacepart.Parent then
                    preplacepart.Material = Enum.Material.Neon
                    preplacepart.BrickColor = BrickColor.new("New Yeller")
                    highlight.Color3 = Color3.fromRGB(255, 255, 0)
                end
            end
        end
        remote:FireServer(last_data,4)
    end
    if key == "g" or key == "h" then
        if selectmode == 1 and placing then
            if key == 'g' then
                colorid = colorid - 1
                if 1 > colorid then
                    colorid = #colors
                end
            elseif key == 'h' then
                colorid = colorid + 1
                if colorid > #colors then
                    colorid = 1
                end
            end
            if colors[colorid] == 'Default' then
                preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
            else
                preplacepart.BrickColor = colors[colorid]
            end
        end
        remote:FireServer(last_data,6,key)
    end
    if key == "r" or key == "t" or key == "y" then
        if selectmode == 1 and placing then
            if key == 't' then
                rot = rot + Vector3.new(90,0,0)
            elseif key == 'r' then
                rot = rot + Vector3.new(0,90,0)
            elseif key == 'y' then
                rot = rot + Vector3.new(0,0,90)
            end
        end
        remote:FireServer(last_data,7,key)
    end
end)
mouse.Button1Down:Connect(function()
    local pos = mouse.Hit.p
    local mag = 0 -- (plr.Character.HumanoidRootPart.Position - pos).magnitude
    local ts = mouse.TargetSurface.Name
    local t = mouse.Target
    last_data = {pos = pos,mag = mag,ts = ts,t = t}
    remote:FireServer(last_data,1)
end)
mouse.Button1Up:Connect(function()
    local pos = mouse.Hit.p
    local mag = 0 -- (plr.Character.HumanoidRootPart.Position - pos).magnitude
    local ts = mouse.TargetSurface.Name
    local t = mouse.Target
    last_data = {pos = pos,mag = mag,ts = ts,t = t}
    remote:FireServer(last_data,5)
end)
game:GetService("RunService").RenderStepped:Connect(function()
    local pos = mouse.Hit.p
    local mag = 0 -- (plr.Character.HumanoidRootPart.Position - pos).magnitude
    local ts = mouse.TargetSurface.Name
    local t = mouse.Target
    last_data = {pos = pos,mag = mag,ts = ts,t = t}
    update_build()
    remote:FireServer(last_data,0)
end)
]]

NLS(ls,remote)

local last_data = {pos = Vector3.new(),mag = 0,'Front',nil}

function update_build()
    if not blockfolder or not blockfolder.Parent then
        blockfolder = Instance.new("Folder")
        blockfolder.Name = ('blockfolder')
        blockfolder.Parent = workspace
    end
    if true then return end -- ignore the rest of the client sided code
    if placing then
        if not preplacepart or not preplacepart.Parent or not preplace or not preplace.Parent or not highlight or not highlight.Parent then
            if preplace then preplace:Destroy() end
            preplacepart = Instance.new("Part")
            preplace = Instance.new("BlockMesh")
            preplacepart.Parent = script
            preplacepart.CFrame = CFrame.new(0,0,0)
            preplacepart.Transparency = 0.5
            preplacepart.Size = Vector3.new(0, 0, 0)
            preplacepart.Anchored = true
            preplacepart.CanCollide = false
            highlight = Instance.new("SelectionBox")
            highlight.Adornee = nil -- preplacepart
            highlight.LineThickness = 0.1
            highlight.Parent = preplacepart
            local BillboardGui0 = Instance.new("BillboardGui")
            local TextBox1 = Instance.new("TextBox")
            BillboardGui0.Parent = preplacepart
            BillboardGui0.Size = UDim2.new(0, 200, 1, 0)
            BillboardGui0.Active = true
            BillboardGui0.ClipsDescendants = true
            BillboardGui0.AlwaysOnTop = true
            TextBox1.Parent = BillboardGui0
            TextBox1.Size = UDim2.new(1, 0, 1, 0)
            TextBox1.BackgroundColor = BrickColor.new("Institutional white")
            TextBox1.BackgroundColor3 = Color3.new(1, 1, 1)
            TextBox1.BackgroundTransparency = 1
            TextBox1.BorderSizePixel = 0
            TextBox1.ZIndex = 2
            TextBox1.Font = Enum.Font.SourceSansBold
            TextBox1.FontSize = Enum.FontSize.Size14
            TextBox1.Text = plr.Name
            TextBox1.TextColor = BrickColor.new("Institutional white")
            TextBox1.TextColor3 = Color3.new(1, 1, 1)
            TextBox1.TextScaled = true
            TextBox1.TextSize = 14
            TextBox1.TextStrokeTransparency = 0
            TextBox1.TextWrap = true
            TextBox1.TextWrapped = true
            if selectmode == 1 then
                preplacepart.Material = blockdatas[blockType]['Material']
                if colors[colorid] == 'Default' then
                    preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                else
                    preplacepart.BrickColor = colors[colorid]
                end
                preplacepart.Reflectance = blockdatas[blockType]['Reflectance']
                highlight.Color3 = Color3.fromRGB(49, 255, 26)
            elseif selectmode == 2 then
                preplacepart.Material = Enum.Material.Neon
                preplacepart.BrickColor = BrickColor.new("Really red")
                highlight.Color3 = Color3.fromRGB(255, 0, 0)
            elseif selectmode == 3 then
                preplacepart.Material = Enum.Material.Neon
                preplacepart.BrickColor = BrickColor.new("New Yeller")
                highlight.Color3 = Color3.fromRGB(255, 255, 0)
            end
            preplace.Parent = preplacepart
            local S = block_properties.S*2*10
            preplace.Scale = Vector3.new(S,S,S)
        end
        if preplacepart and preplacepart.Parent then
            local pos,mag,ts,t = last_data.pos,last_data.mag,last_data.ts,last_data.t
            if t then else return end
            local largest = t.Size.X
            local cango = true
            local r3 = Region3.new(pos-Vector3.new(5,5,5),pos+Vector3.new(5,5,5))
            local ph = Instance.new("Part")
            local parts = workspace:FindPartsInRegion3(r3,ph,1/0)
            for i,v in ipairs(parts) do
                if v:IsA("BasePart") and v.Name == "Baseplate" and v:FindFirstChild("owner") then
                    if v.owner.Value ~= plr and Vector2.new(pos.X-v.Position.X).magnitude < v.range.Value and Vector2.new(pos.Z-v.Position.Z).magnitude < v.range.Value then
                        cango = false
                        break
                    elseif v.Position == pos then
                        cango = false
                        break
                    end
                end
            end
            if t.Size.Y > largest then
                largest = t.Size.Y
                if t.Size.Z > largest then
                    largest = t.Size.Z
                end
            end
            if 10 >= mag and t ~= nil then
                local function round(Num)
                    return math.floor(Num + 0.5)
                end
                if t.Name == "Base" or t.Name == "Baseplate" then
                    pos = Vector3.new(round(pos.X/block_properties.S)*block_properties.S,round(pos.Y/block_properties.S)*block_properties.S,round(pos.Z/block_properties.S)*block_properties.S) + Vector3.new(0,block_properties.BlockSize.Y/2,0)
                else
                    if ts == "Top" then
                        pos = t.CFrame * CFrame.new(0,block_properties.BlockSize.Y,0)
                    elseif ts == "Left" then
                        pos = t.CFrame * CFrame.new(-block_properties.BlockSize.X,0,0)
                    elseif ts == "Right" then
                        pos = t.CFrame * CFrame.new(block_properties.BlockSize.X,0,0)
                    elseif ts == "Front" then
                        pos = t.CFrame * CFrame.new(0,0,-block_properties.BlockSize.Z)
                    elseif ts == "Back" then
                        pos = t.CFrame * CFrame.new(0,0,block_properties.BlockSize.Z)
                    elseif ts == "Bottom" then
                        pos = t.CFrame * CFrame.new(0,-block_properties.BlockSize.Y,0)
                    end
                    pos = pos.Position;
                    pos = Vector3.new(round(pos.X/block_properties.S)*block_properties.S,round(pos.Y/block_properties.S)*block_properties.S,round(pos.Z/block_properties.S)*block_properties.S) + Vector3.new(0,-block_properties.BlockSize.Y/2,0)
                end
                if (selectmode == 2 or selectmode == 3) and ((string.match(t.Parent.Name,'blockfolder') and t.Parent:IsA("Folder")) or t:IsDescendantOf(blockfolder)) then
                    preplacepart.Position = t.Position
                else
                    preplacepart.Position = pos
                end
                preplacepart.Orientation = rot
            end
        end
    end
end

spawn(function()
    while remote do
        update_observers()
        update_build()
        wait()
    end
    script:Destroy()
end)

warn([[
== CONTROLS ==
Q or E - Change Block
G or H - Change Color
R,T,Y - Orientate Block
F - Toggle Place,Break,EyeDropper
V - Disable Building
Click(Hold) - Place or Destroy
]])

remote.OnServerEvent:Connect(function(lplr,data,mode,key)
    if plr == lplr then else return end
    if data then
        last_data = data
    end
    if mode == 1 and placing then
        clickid = clickid + 1
        _clickid = clickid
        holding = true
        if selectmode == 1 and blockfolder and blockfolder.Parent then
            place(last_data.pos,last_data.mag,last_data.ts,last_data.t)
        elseif selectmode == 2 --[[(preplace and preplacepart)]] then
            delete(last_data.pos,last_data.mag,last_data.ts,last_data.t)
        elseif selectmode == 3 then
            change(last_data.pos,last_data.mag,last_data.ts,last_data.t)
        end
        spawn(function()
            wait(0.1)
            while holding and (clickid == _clickid) do
                wait(0.1)
                if holding and (clickid == _clickid) then
                    if selectmode == 1 and blockfolder and blockfolder.Parent then
                        place(last_data.pos,last_data.mag,last_data.ts,last_data.t)
                    elseif selectmode == 2 --[[(preplace and preplacepart)]] then
                        delete(last_data.pos,last_data.mag,last_data.ts,last_data.t)
                    elseif selectmode == 3 then
                        change(last_data.pos,last_data.mag,last_data.ts,last_data.t)
                    end
                end
            end
        end)
    elseif mode == 2 and placing then
        if key == 'e' and selectmode == 1 then
            if blockmode == totalblocks then
                blockmode = 1
                blockType = BlockReference[blockmode]
                if preplacepart then
                    preplacepart.Material = blockdatas[blockType]['Material']
                    preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                end
            else
                blockmode = blockmode + 1
                blockType = BlockReference[blockmode]
                if preplacepart then
                    preplacepart.Material = blockdatas[blockType]['Material']
                    preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                end
            if currentnotify then
                currentnotify.Visible = false
            end
            currentnotify = Notify("Block: " ..BlockReference[blockmode],2)
            end
        elseif key == 'q' and selectmode == 1 then
            if blockmode == 1 then
                blockmode = totalblocks
                blockType = BlockReference[blockmode]
                if preplacepart then
                    preplacepart.Material = blockdatas[blockType]['Material']
                    preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                end
            else
                blockmode = blockmode - 1
                blockType = BlockReference[blockmode]
                if preplacepart then
                    preplacepart.Material = blockdatas[blockType]['Material']
                    preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                end
            end
            if currentnotify then
                currentnotify.Visible = false
            end
            currentnotify = Notify("Block: " ..BlockReference[blockmode],2)
        end
    elseif mode == 3 then
        if currentnotify then
            currentnotify.Visible = false
        end
        placing = not placing
        if not placing then
            currentnotify = Notify("Mode: Disabled",2)
        else
            currentnotify = Notify("Mode: Enabled",2)
        end
        if not placing then
            if preplace then
                preplace:Destroy()
            end
            if preplacepart then
                preplacepart:Destroy()
            end
        end
    elseif mode == 4 and placing then
        selectmode = selectmode + 1
        if selectmode > 3 then
            selectmode = 1
        end
        if currentnotify then
            currentnotify.Visible = false
        end
        if selectmode == 1 then
            if preplacepart and preplacepart.Parent and highlight and highlight.Parent then
                preplacepart.Material = blockdatas[blockType]['Material']
                if colors[colorid] == 'Default' then
                    preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
                else
                    preplacepart.BrickColor = colors[colorid]
                end
                preplacepart.Reflectance = blockdatas[blockType]['Reflectance']
                highlight.Color3 = Color3.fromRGB(49, 255, 26)
            end
            currentnotify = Notify("Mode: Place",2)
        elseif selectmode == 2 then
            if preplacepart and preplacepart.Parent and highlight and highlight.Parent then
                preplacepart.Material = Enum.Material.Neon
                preplacepart.BrickColor = BrickColor.new("Really red")
                highlight.Color3 = Color3.fromRGB(255, 0, 0)
            end
            currentnotify = Notify("Mode: Delete",2)
        elseif selectmode == 3 then
            if preplacepart and preplacepart.Parent and highlight and highlight.Parent then
                preplacepart.Material = Enum.Material.Neon
                preplacepart.BrickColor = BrickColor.new("New Yeller")
                highlight.Color3 = Color3.fromRGB(255, 255, 0)
            end
            currentnotify = Notify("Mode: EyeDropper",2)
        end
    elseif mode == 5 then
        holding = false
        clickid = clickid + 1
    elseif mode == 6 and selectmode == 1 and placing then
        if key == 'g' then
            colorid = colorid - 1
            if 1 > colorid then
                colorid = #colors
            end
        elseif key == 'h' then
            colorid = colorid + 1
            if colorid > #colors then
                colorid = 1
            end
        end
        if currentnotify then
            currentnotify.Visible = false
        end
        if preplacepart then
            if colors[colorid] == 'Default' then
                preplacepart.BrickColor = blockdatas[blockType]['BrickColor']
            else
                preplacepart.BrickColor = colors[colorid]
            end
        end
        currentnotify = Notify("Color: " ..tostring(colors[colorid]),2)
    elseif mode == 7 and selectmode == 1 and placing then
        if key == 't' then
            rot = rot + Vector3.new(90,0,0)
        elseif key == 'r' then
            rot = rot + Vector3.new(0,90,0)
        elseif key == 'y' then
            rot = rot + Vector3.new(0,0,90)
        end
    end
end)