TERRAIN MAKER GUI

if game:GetService("RunService"):IsClient() then error("Script must be server-side in order to work; use h/ and not hl/") end
local Player,Mouse,mouse,UserInputService,ContextActionService = owner
local RealPlayer = Player
do print("FE Compatibility code by Mokiros")local a=RealPlayer;script.Parent=a.Character;local b=Instance.new("RemoteEvent")b.Name="UserInput_Event"local function c()local d={_fakeEvent=true,Functions={},Connect=function(self,e)table.insert(self.Functions,e)end}d.connect=d.Connect;return d end;local f={Target=nil,Hit=CFrame.new(),KeyUp=c(),KeyDown=c(),Button1Up=c(),Button1Down=c(),Button2Up=c(),Button2Down=c()}local g={InputBegan=c(),InputEnded=c()}local CAS={Actions={},BindAction=function(self,h,i,j,...)CAS.Actions[h]=i and{Name=h,Function=i,Keys={...}}or nil end}CAS.UnbindAction=CAS.BindAction;local function k(self,l,...)local d=f[l]if d and d._fakeEvent then for m,e in pairs(d.Functions)do e(...)end end end;f.TrigEvent=k;g.TrigEvent=k;b.OnServerEvent:Connect(function(n,o)if n~=a then return end;f.Target=o.Target;f.Hit=o.Hit;if not o.isMouse then local p=o.UserInputState==Enum.UserInputState.Begin;if o.UserInputType==Enum.UserInputType.MouseButton1 then return f:TrigEvent(p and"Button1Down"or"Button1Up")end;if o.UserInputType==Enum.UserInputType.MouseButton2 then return f:TrigEvent(p and"Button2Down"or"Button2Up")end;for m,d in pairs(CAS.Actions)do for m,q in pairs(d.Keys)do if q==o.KeyCode then d.Function(d.Name,o.UserInputState,o)end end end;f:TrigEvent(p and"KeyDown"or"KeyUp",o.KeyCode.Name:lower())g:TrigEvent(p and"InputBegan"or"InputEnded",o,false)end end)b.Parent=NLS([==[local a=game:GetService("Players").LocalPlayer;local b=script:WaitForChild("UserInput_Event")local c=a:GetMouse()local d=game:GetService("UserInputService")local e=function(f,g)if g then return end;b:FireServer({KeyCode=f.KeyCode,UserInputType=f.UserInputType,UserInputState=f.UserInputState,Hit=c.Hit,Target=c.Target})end;d.InputBegan:Connect(e)d.InputEnded:Connect(e)local h,i;while wait(1/30)do if h~=c.Hit or i~=c.Target then h,i=c.Hit,c.Target;b:FireServer({isMouse=true,Target=i,Hit=h})end end]==],Player.Character)local r=game;local s={__index=function(self,q)local t=rawget(self,"_RealService")if t then return typeof(t[q])=="function"and function(m,...)return t[q](t,...)end or t[q]end end,__newindex=function(self,q,u)local t=rawget(self,"_RealService")if t then t[q]=u end end}local function v(d,w)d._RealService=typeof(w)=="string"and r:GetService(w)or w;return setmetatable(d,s)end;local x={GetService=function(self,t)return rawget(self,t)or r:GetService(t)end,Players=v({LocalPlayer=v({GetMouse=function(self)return f end},Player)},"Players"),UserInputService=v(g,"UserInputService"),ContextActionService=v(CAS,"ContextActionService"),RunService=v({_btrs={},RenderStepped=r:GetService("RunService").Heartbeat,BindToRenderStep=function(self,h,m,i)self._btrs[h]=self.Heartbeat:Connect(i)end,UnbindFromRenderStep=function(self,h)self._btrs[h]:Disconnect()end},"RunService")}rawset(x.Players,"localPlayer",x.Players.LocalPlayer)x.service=x.GetService;v(x,game)game,owner=x,x.Players.LocalPlayer end

plr = owner
mouse = plr:GetMouse()
plrgui = plr.PlayerGui
hasbrush = false

local gui = Instance.new("ScreenGui",plrgui)
gui.Name = "TerrainMakerGui"
gui.Enabled = true

local scroll = Instance.new("ScrollingFrame",gui)
scroll.Size = UDim2.new(0, 440, 0, 500)
scroll.Name = "Scroll"
scroll.Active = true
scroll.Draggable = true

local remote1 = Instance.new("RemoteEvent",scroll)
remote1.Name = "SeaRemote"
local remote2 = Instance.new("RemoteEvent",scroll)
remote2.Name = "MaterialRemote"
local remote3 = Instance.new("RemoteEvent",scroll)
remote3.Name = "SizeRemote"

function createtext(text, position, name)
	local thing = Instance.new("TextLabel",scroll)
	thing.Text = text
	thing.Name = name
	thing.TextScaled = true
	thing.Position = position
	thing.BackgroundTransparency = 0
	thing.BorderSizePixel = 1
	thing.BorderMode = "Outline"
	thing.Size = UDim2.new(0, 200, 0, 50)
	return thing
end

function createbutton(text, position, name)
	local thing = Instance.new("TextButton",scroll)
	thing.Text = text
	thing.Name = name
	thing.TextScaled = true
	thing.Position = position
	thing.BackgroundTransparency = 0
	thing.BorderSizePixel = 1
	thing.BorderMode = "Outline"
	thing.Size = UDim2.new(0, 200, 0, 50)
	return thing
end

function createbox(text, position, name)
	local thing = Instance.new("TextBox",scroll)
	thing.Text = text
	thing.Name = name
	thing.TextScaled = true
	thing.Position = position
	thing.BackgroundTransparency = 0
	thing.BorderSizePixel = 1
	thing.BorderMode = "Outline"
	thing.Size = UDim2.new(0, 200, 0, 50)
	return thing
end

last = "a"

function addground()
	local poot = Instance.new("Part",workspace)
	poot.Transparency = 1
	poot.Position = Vector3.new(0, 2, 0)
	poot.Size = Vector3.new(700.091187, 0, 700.175964)
	poot.CanCollide = false
	poot.Anchored = true
	workspace.Terrain:FillBlock(poot.CFrame, poot.Size, material)
	wait()
	poot:remove()
end

local seal = createbox("Sea Level", UDim2.new(0, 0, 0, 0), "SeaLevel")
seal.Text = "Sea Level"
last = seal
local applyl = createbutton("Apply Sea Level", last.Position + UDim2.new(0.45, 0, 0, 0), "ApplySeaLevel")
last = applyl
local clear = createbutton("Clear All Terrain", seal.Position + UDim2.new(0, 0, 0.025, 0), "ClearTerrain")
clear.MouseButton1Click:connect(function()
	local poot = Instance.new("Part",workspace)
	poot.Transparency = 1
	poot.Position = Vector3.new(0, 0, 0)
	poot.Size = Vector3.new(900, 900, 900)
	poot.CanCollide = false
	poot.Anchored = true
	workspace.Terrain:FillBlock(poot.CFrame, poot.Size, Enum.Material.Air)
	wait()
	poot:remove()
end)
last = clear
local mat = createbox("Change Material", clear.Position + UDim2.new(0, 0, 0.05, 0), "ChangeMaterial")
mat.Text = "Change Material"
last = mat
local toggleb = createbutton("Toggle Brush", last.Position + UDim2.new(0, 0, 0.025, 0), "ToggleBrush")
toggleb.MouseButton1Click:connect(function()
	if hasbrush then
		hasbrush = false
	else
		hasbrush = true
	end
end)
last = toggleb
local textmats = createtext("Brush Stuff", clear.Position + UDim2.new(0, 0, 0.025, 0), "BrushStuff")
textmats.Size = UDim2.new(0, 450, 0, 50)
local applym = createbutton("Apply Material", mat.Position + UDim2.new(0.45, 0, 0, 0), "ApplyMaterial")
last = applym
local generateg = createbutton("Generate Random Grass", toggleb.Position + UDim2.new(0.45, 0, 0, 0), "GenerateGrass")
generateg.MouseButton1Click:connect(function()
	generaterandomgrass()
end)
local ssize = createbox("Set Size", toggleb.Position + UDim2.new(0, 0, 0.025, 0), "SetSize")
last = ssize
local applys = createbutton("Apply Size", last.Position + UDim2.new(0.45, 0, 0, 0), "ApplySize")
last = applys
local makef = createbutton("Generate Floor", ssize.Position + UDim2.new(0, 0, 0.025, 0), "GenerateFloor")
makef.MouseButton1Click:connect(function()
	addground()
end)
last = makef

NLS([[

	plr = owner
	plrgui = plr.PlayerGui
	gui = plrgui.TerrainMakerGui
	scroll = gui.Scroll
	seal = scroll.SeaLevel
	applyl = scroll.ApplySeaLevel
	mat = scroll.ChangeMaterial
	applym = scroll.ApplyMaterial
	ssize = scroll.SetSize
	applys = scroll.ApplySize
	remote1 = scroll.SeaRemote
	remote2 = scroll.MaterialRemote
	remote3 = scroll.SizeRemote

	applyl.MouseButton1Click:connect(function()
		remote1:FireServer(seal.Text)
	end)

	applym.MouseButton1Click:connect(function()
		remote2:FireServer(mat.Text)
	end)

	applys.MouseButton1Click:connect(function()
		remote3:FireServer(ssize.Text)
	end)

]],plr.Character)

material = "Grass"
hold = false

function generaterandomgrass()
print("taken from my random terrain generator script")
------------------------------------------------------------------------------------
max_x = 800
min_x = 50
max_y = 50
min_y = -1
max_z = 800
min_z = 50
posmax = 200
sposmax = 500
posmin = -200
sposmin = -500
maxgrass = 5000
maxsand = 5000
maxsx = 1000
minsx = -1000
maxsy = -0
minsy = -0.5
maxsz = 400
minsz = -400
------------------------------------------------------------------------------------

coroutine.resume(coroutine.create(function()
--Grass
for i = 1,maxgrass do
    local x = math.random(min_x, max_x)
    local y = math.random(min_y, max_y)
    local z = math.random(min_z,max_z)
    local x2 = math.random(posmin, posmax)
    game.Workspace.Terrain:FillBlock(CFrame.new(x2, y, x2), Vector3.new(x, y, z), Enum.Material.Grass)
end
wait()
for i = 1,maxgrass do
    local x = math.random(min_x, max_x)
    local y = math.random(min_y, max_y)
    local z = math.random(min_z,max_z)
    local x2 = math.random(posmin, posmax)
    game.Workspace.Terrain:FillBlock(CFrame.new(x2, y, x2), Vector3.new(x, y, z), Enum.Material.Grass)
end
wait()
for i = 1,maxgrass do
    local x = math.random(min_x, max_x)
    local y = math.random(min_y, max_y)
    local z = math.random(min_z,max_z)
    local x2 = math.random(posmin, posmax)
    game.Workspace.Terrain:FillBlock(CFrame.new(x2, y, x2), Vector3.new(x, y, z), Enum.Material.Grass)
end
end))
wait(1)
posmax = 200
sposmax = 500
posmin = -200
sposmin = -500
maxgrass = 5000
maxsand = 5000
maxsx = 1000
minsx = -1000
maxsy = -0
minsy = -0.5
maxsz = 400
minsz = -400
coroutine.resume(coroutine.create(function()
--Sand
for i = 1,maxsand do
    local x = math.random(minsx, maxsx)
    local y = math.random(minsy, maxsy)
    local z = math.random(minsz,maxsz)
    local x2 = math.random(sposmin, sposmax)
    game.Workspace.Terrain:FillBlock(CFrame.new(0, y, 0), Vector3.new(1200, y, 1200), Enum.Material.Sand)
end
end))
end

size = 2

function sealocal(player, texto)
	local y = string.match(texto, "%d+")
	print(y)
	local poot = Instance.new("Part",workspace)
	poot.Transparency = 1
	poot.Position = Vector3.new(0, y / 2, 0)
	poot.Size = Vector3.new(700.091187, y, 700.175964)
	poot.CanCollide = false
	poot.Anchored = true
	workspace.Terrain:FillBlock(poot.CFrame, poot.Size, Enum.Material.Water)
	wait()
	poot:remove()
end

function changesize(player, texto)
	size = texto
end

function changemat(player, texto)
	material = texto
end

mouse.Button1Down:connect(function()
	if hasbrush then
		hold = true
		repeat
		wait()
		local poot = Instance.new("Part",workspace)
		poot.Transparency = 1
		poot.Position = mouse.Hit.p
		poot.Size = Vector3.new(size, size, size)
		poot.CanCollide = false
		poot.Anchored = true
		workspace.Terrain:FillBlock(poot.CFrame, poot.Size, material)
		wait()
		poot:remove()
		until hold == false
	end
end)

mouse.Button1Up:connect(function()
	hold = false
end)

remote1.OnServerEvent:connect(sealocal)
remote2.OnServerEvent:connect(changemat)
remote3.OnServerEvent:connect(changesize)