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--PC Controls for android script (Thanks to jacob1 for helping with fan wall tool.)
local version = 5.0 --Internal version for update checks and stuff.
local timermotd = 0
local req2 = http.get("https://pastebin.com/raw/7JPWsa4a") --Link where it checks for updates

--Updater for script
local function checkforupdates()
timermotd = timermotd + 1
if timermotd >= 250 then
event.unregister(event.tick,checkforupdates)
print("PC Controls script: Unable to check for updates..")
end
if req2:status() == "done" then
local ret2, code2 = req2:finish()
event.unregister(event.tick,checkforupdates)
if code2 == 200 then
if tonumber(ret2) > version then
interface.beginConfirm(" PC Controls Update check","Update v."..tonumber(ret2).." available for download, click update to continue..","Update",
function (result)
if result then 
platform.openLink("https://powdertoy.co.uk/Discussions/Thread/View.html?Thread=26505")
end
end)
else
--print("PC Controls script: You are running the latest version.")
end
else
print("PC Controls script: Unable to check for updates, please check network connection on your device..")
end
end

end
event.register(event.tick,checkforupdates)

--Window button
local function drawqolbutton()
gfx.fillCircle(14,175,8,8,10,10,10,255) -- Dark background
if tpt.mousex > sim.XRES and tpt.mousey > 129 and tpt.mousey < 160 then
gfx.fillRect(613,130,29,29,32,216,255,200)
gfx.drawText(550,140,"PC Controls",255,255,255,255)
else
gfx.fillRect(613,130,29,29,32,216,255,100)
end
gfx.drawRect(613,130,29,29,32,216,255,255)
gfx.drawText(622,140,"PC",32,216,255,255)
end

local brushmenu = Window:new(240, 90, 347, 230)
-- Register clicks for the qol button
local function clickqolbutton()
if tpt.mousex > sim.XRES and tpt.mousey > 129 and tpt.mousey < 160 then
ui.showWindow(brushmenu)
return false
end
end

event.register(event.tick,drawqolbutton)
event.register(event.mousedown,clickqolbutton)

local drawcoordstatus = "0"
local x1, x2, y1, y2 = 0,0,0,0
local orig_x1, orig_y1, used_zoom = 0, 0, false
local perfval = 0

--Define various buttons
local button1 = Button:new(10,35,50,24, "Circle", "Circular brush.")
local button2 = Button:new(70,35,50,24, "Rectangle", "Rectangular brush.")
local button3 = Button:new(130,35,50,24, "Triangle", "Triangular brush.")

--Tools
local button7 = Button:new(250,35,40,24, "Flood", "Flood fill.")
local button12 = Button:new(300,35,40,24, "Box", "Box tool")
local button13 = Button:new(200,35,40,24, "Line", "Line brush.")

--Modes and shortcuts
local button4 = Button:new(300,4,40,20, "X", "Closes window")
local button5 = Button:new(10,200,60,20, "Hover mode", "Disables mouse clicks.")
local button6 = Button:new(130,200,60,20, "Part count", "Enables find mode.")
local button8 = Button:new(10,165,60,20, "Debug mode", "Turns on debug mode.")
local button9 = Button:new(130,165,60,20, "Cross-hair", "Turns on coord display.")
local button10 = Button:new(260,200,60,20, "Feedback", "Displays selected element count")
local button11 = Button:new(260,165,60,20, "Draw Grid", "Toggles grid")
local button16 = Button:new(130,132,60,20, "Performance", "Toggles performance mode")

-- Simulation options:
local button14 = Button:new(10,132,60,20, "Undo/ Redo", "Adds redo, undo and other useful options")
local button15 = Button:new(260,132,60,20, "Reset Sim.", "Resets pressure, sprk and other settings.")

--Sliders
local brushheight = Slider:new(10,77,330,20,255)
local brushwidth = Slider:new(10,97,330,20,255)

--Buttons and sliders end
local drawval, boxval, findval, hoverval = 0,0,0,0
local boxstat = "0"
local linetoolstat = "0"
local floodstat = "0"
local wallid = 404 --id 404 is reserved for internal checks.
local WL_FAN = 5
local WL_FANHELPER = 6 --255 --TODO: allow 255 from Lua

local function drawcoord()
graphics.drawText(tpt.mousex-30-tpt.brushx, tpt.mousey-25,"X:"..tpt.mousex,32,216,255,230)
graphics.drawText(tpt.mousex+8+tpt.brushx, tpt.mousey-25,"Y:"..tpt.mousey,32,216,255,230)
graphics.fillRect(tpt.mousex + 1 ,tpt.mousey,8 ,1,32,216,255,230)
graphics.fillRect(tpt.mousex -8,tpt.mousey,8,1, 32,216,255,230)
graphics.fillRect(tpt.mousex,tpt.mousey-8,1 ,8,32,216,255,230)
graphics.fillRect(tpt.mousex,tpt.mousey,1 ,8,32,216,255,230)
end
local simopval = 0

local function selectedbrush()
brushheight:value(tpt.brushx)
brushwidth:value(tpt.brushy)
if ren.debugHUD() == 1 then
gfx.drawText(315,261,"ON",35,255,35,255)
else
gfx.drawText(315,261,"OFF",255,35,35,255)
end

if drawcoordstatus == "1" then
gfx.drawText(435,261,"ON",35,255,35,255)
else
gfx.drawText(435,261,"OFF",255,35,35,255)
end
if perfval == 1 then
gfx.drawText(435,227,"ON",35,255,35,255)
else
gfx.drawText(435,227,"OFF",255,35,35,255)
end
if findval == 1 then
gfx.drawText(435,295,"ON",35,255,35,255)
elseif findval == 0 then
gfx.drawText(435,295,"OFF",255,35,35,255)
end
if hoverval == 1 then
gfx.drawText(315,295,"ON",35,255,35,255)
elseif hoverval  == 0 then
gfx.drawText(315,295,"OFF",255,35,35,255)
end
if ren.grid() > 0 then
gfx.drawText(565,261,"ON",35,255,35,255)
elseif ren.grid() == 0 then
gfx.drawText(565,261,"OFF",255,35,35,255)
end
if simopval == 1 then
gfx.drawText(315,227,"ON",35,255,35,255)
elseif simopval == 0 then
gfx.drawText(315,227,"OFF",255,35,35,255)
end

--Graphics for menu.
gfx.fillRect(240,90,347,230,32,216,255,35)
gfx.drawText(313,95,"Cracker1000's PC Controls Script ver."..version,130,130,255,255)
gfx.drawText(250,110,"Brush Shape:                          Tool selection:")
gfx.drawText(250,157,"Brush size:")
gfx.drawText(388,173,"Width: "..tpt.brushx)
gfx.drawText(388,193,"Height: "..tpt.brushy)
gfx.drawText(280,210,"-----------------------------------------------------",32,216,255)

if tpt.brushID == 0 then
gfx.drawRect(248,123,54,28,32,216,255,255)
elseif tpt.brushID == 1 then
gfx.drawRect(308,123,54,28,32,216,255,255)
elseif tpt.brushID == 2 then
gfx.drawRect(368,123,54,28,32,216,255,255)
end

if linetoolstat == "1" then
gfx.drawRect(438,123,44,28,35,255,35,255)
else
gfx.drawRect(438,123,44,28,255,35,35,255)
end

if floodstat == "1" then
gfx.drawRect(488,123,44,28,35,255,35,255)
else
gfx.drawRect(488,123,44,28,255,35,35,255)
end

if boxstat == "1" then
gfx.drawRect(538,123,44,28,35,255,35,255)
else
gfx.drawRect(538,123,44,28,255,35,35,255)
end
end

function convertwallid()
--Convert wall identifier to ID.
if tpt.selectedl == "DEFAULT_WL_ERASE" then
wallid = 0 
elseif tpt.selectedl == "DEFAULT_WL_CNDTR" then
wallid = 11 
elseif tpt.selectedl == "DEFAULT_WL_EWALL" then
wallid = 2
elseif tpt.selectedl == "DEFAULT_WL_DTECT" then
wallid = 3
elseif tpt.selectedl == "DEFAULT_WL_STRM" then
wallid = 4
elseif tpt.selectedl == "DEFAULT_WL_FAN" then
wallid = 5 
elseif tpt.selectedl == "DEFAULT_WL_LIQD" then
wallid = 6
elseif tpt.selectedl == "DEFAULT_WL_ABSRB" then
wallid = 7
elseif tpt.selectedl == "DEFAULT_WL_WALL" then
wallid = 8
elseif tpt.selectedl == "DEFAULT_WL_AIR" then
wallid = 9
elseif tpt.selectedl == "DEFAULT_WL_POWDR" then
wallid = 10
elseif tpt.selectedl == "DEFAULT_WL_CNDTR" then
wallid = 11
elseif tpt.selectedl == "DEFAULT_WL_EHOLE" then
wallid = 12
elseif tpt.selectedl == "DEFAULT_WL_GAS" then
wallid = 13
elseif tpt.selectedl == "DEFAULT_WL_GRVTY" then
wallid = 14
elseif tpt.selectedl == "DEFAULT_WL_ENRGY" then
wallid = 15
elseif tpt.selectedl == "DEFAULT_WL_NOAIR" then
wallid = 16
elseif tpt.selectedl == "DEFAULT_WL_ERASEA" then
wallid = 17
elseif tpt.selectedl == "DEFAULT_WL_STASIS" then
wallid = 18
elseif tpt.selectedl == "DEFAULT_WL_CNDTW" then
wallid = 1
else
wallid = 404 --Id reserved DO NOT CHANGE.
end
end

local function selecthelp()
local qolr,qolg,qolb = 255,55,55
local x2, y2 = 0,0
if linetoolstat == "1" and drawval > 0 and tpt.mousex < 607 and tpt.mousex > 3 and tpt.mousey < 378 and tpt.mousey > 3 then
x2, y2 = sim.adjustCoords(tpt.mousex, tpt.mousey)
if x1 == x2 or y1 == y2 then
qolr,qolg,qolb = 55,255,55
end
gfx.drawLine(x1, y1, x2, y2, qolr,qolg,qolb,235)
gfx.drawText(x1-40, y1+12,"X:"..x1..", Y:"..y1,qolr,qolg,qolb,235)
gfx.drawText(x2+10, y2+12,"X:"..x2..", Y:"..y2,qolr,qolg,qolb,235)
if usedZoom and (x2 ~= tpt.mousex or y2 ~= tpt.mousey) then
gfx.drawLine(orig_x1, orig_y1, tpt.mousex, tpt.mousey, 255,55,55,235)
end
end
if boxstat == "1" and boxval > 0 and tpt.mousex < 607 and tpt.mousex > 3 and tpt.mousey < 378 and tpt.mousey > 3 then
x2, y2 = sim.adjustCoords(tpt.mousex, tpt.mousey)
gfx.drawLine(x1, y1, x1, y2,255,55,55,235)
gfx.drawLine(x1, y1, x2, y1,255,55,55,235)
gfx.drawLine(x2, y2, x1, y2,255,55,55,235)
gfx.drawLine(x2, y2, x2, y1,255,55,55,235)
gfx.drawText(x1-40, y1+17,"X:"..x1..", Y:"..y1,qolr,qolg,qolb,235)
gfx.drawText(x2-40, y2+17,"X:"..x2..", Y:"..y2,qolr,qolg,qolb,235)
if usedZoom and (x2 ~= tpt.mousex or y2 ~= tpt.mousey) then
gfx.drawLine(orig_x1,orig_y1,orig_x1,tpt.mousey,255,55,55,235)
gfx.drawLine(orig_x1, orig_y1,tpt.mousex,orig_y1,255,55,55,235)
gfx.drawLine(tpt.mousex,tpt.mousey,orig_x1,tpt.mousey,255,55,55,235)
gfx.drawLine(tpt.mousex, tpt.mousey, tpt.mousex, orig_y1,255,55,55,235)
gfx.drawText(orig_x1-40, y1+12,"X:"..orig_x1..", Y:"..orig_y1,qolr,qolg,qolb,235)
gfx.drawText(tpt.mousex+10, tpt.mousey+12,"X:"..tpt.mousex..", Y:"..tpt.mousey,qolr,qolg,qolb,235)
end
end
convertwallid()
end

function mouse_down(x, y)
if linetoolstat == "1"then
if x < sim.XRES and x > 0 and y < sim.YRES and y > 0 then
drawval = drawval + 1
if drawval == 1 then
orig_x1, orig_y1 = x, y
x1, y1 = sim.adjustCoords(x, y)
usedZoom = x1 ~= tpt.mousex or y1 ~= tpt.mousey
return false
end
else
drawval = 0
end
end

if floodstat == "1" and x < sim.XRES and x > 0 and y < sim.YRES and y > 0 then
if wallid ~=404 then
sim.floodWalls(x, y, wallid)
else
sim.floodParts(x, y, tonumber(tpt.selectedl))
end
end

if boxstat == "1"then
if x < sim.XRES and x > 0 and y < sim.YRES and y > 0 then
boxval = boxval + 1
if boxval == 1 then
orig_x1, orig_y1 = x, y
x1, y1 = sim.adjustCoords(x, y)
usedZoom = x1 ~= tpt.mousex or y1 ~= tpt.mousey
return false
end
else
boxval = 0
end
end
end

function mouse_up(x, y)
if x < sim.XRES and x > 0 and y < sim.YRES and y > 0 and boxstat == "1" and boxval == 1 then
x2, y2 = sim.adjustCoords(x, y)
boxval = boxval + 1
if boxval == 2 then
if wallid ~= 404 then
sim.createWallBox(x1,y1,x2,y2,wallid)
else
sim.createBox(x1,y1,x2,y2,tonumber(selectedl))
end
end
boxval = 0
return false
else

if boxval ~= 0 then
print("Box canceled")
boxval = 0
return false
end
end

if x < sim.XRES and x > 0 and y < sim.YRES and y > 0 and linetoolstat == "1" and drawval == 1 then
x2, y2 = sim.adjustCoords(x, y)
drawval = drawval + 1
if drawval == 2 then
-- Handle FAN wall, matching vanilla logic
if tpt.get_wallmap(x1 / 4, y1 / 4) == WL_FAN then
local fvx = (x2 - x1) * .005
local fvy = (y2 - y1) * .005
sim.floodWalls(x1, y1, WL_FANHELPER, WL_FAN)
for i = 0, sim.XCELLS -1 do
for j = 0, sim.YCELLS -1 do
-- Replace all FANHELPER wall with FAN with appropriate velocity
if tpt.get_wallmap(i, j) == WL_FANHELPER then
tpt.set_wallmap(i, j, 1, 1, fvx, fvy, WL_FAN)
end
end
end
else
if wallid ~= 404 then
sim.createWallLine(x1,y1,x2,y2,tpt.brushx,tpt.brushy,wallid)
else
sim.createLine(x1,y1,x2,y2,tpt.brushx,tpt.brushy,tonumber(selectedl),tpt.brushID)
end
end
drawval = 0
return false
end
else
if drawval ~= 0 then
print("Line canceled")
drawval = 0
return false
end
end
end

button1:action(function(sender)
tpt.brushID = 0
end)

button2:action(function(sender)
tpt.brushID = 1
end)

button3:action(function(sender)
tpt.brushID = 2
end)

button4:action(function(sender)
ui.closeWindow(brushmenu)
end)
brushwidth:onValueChanged(function()
tpt.brushy = brushwidth:value()
end)
brushheight:onValueChanged(function()
tpt.brushx = brushheight:value()
end)

local function hover(x,y)
if y <= 390 and x <= 610 then
return false
end
end

button5:action(function(sender)
if hoverval == 0 then
event.unregister(event.mousedown,hover)
event.register(event.mousedown,hover)
hoverval = 1
elseif hoverval == 1 then
event.unregister(event.mousedown,hover)
hoverval = 0
end
print("Hover mode: Element drawing has been disabled.")
end)

local function findmode()
convertwallid()
if wallid == 404 then
gfx.fillRect(8,368,tonumber(gfx.textSize(sim.elementCount(elem[tpt.selectedl]))*2),12,10,10,10,150)
gfx.drawText(10,370,"Count:"..sim.elementCount(elem[tpt.selectedl]),32,216,255,255)
else
gfx.drawText(10,370,"Wall selected",255,0,0,255)
end
end

button6:action(function(sender)
if findval == 0 then
event.unregister(event.tick,findmode)
event.register(event.tick,findmode)
findval = 1
elseif findval == 1 then
event.unregister(event.tick,findmode)
findval = 0
end
end)

button8:action(function(sender)
if ren.debugHUD() == 0 then
ren.debugHUD(1)
elseif ren.debugHUD() == 1 then
ren.debugHUD(0)
end
end)

button9:action(function(sender)
if drawcoordstatus == "0" then
event.register(event.tick,drawcoord)
drawcoordstatus = "1"
tpt.mousex = 314
tpt.mousey = 208
elseif drawcoordstatus == "1" then
event.unregister(event.tick,drawcoord)
drawcoordstatus = "0"
end
end)

button10:action(function(sender)
ui.closeWindow(brushmenu)
print("Directing to script thread..") --Update the thread id whenever a new thread is made
platform.openLink("https://powdertoy.co.uk/Discussions/Thread/View.html?Thread=26505")
end)

button11:action(function(sender)
if ren.grid() == 0 then
ren.grid(5)
elseif ren.grid() > 0 then
ren.grid(0)
end
end)

button16:action(function(sender)
if perfval == 0 then
perfval = 1
tpt.setdrawcap(30)
tpt.display_mode(7)
elseif perfval == 1 then
perfval = 0
tpt.setdrawcap(0)
tpt.display_mode(3)
end
end)

local function simoptions()
--Draw buttons
gfx.fillRect(280,355,130,26,10,10,10,200)
gfx.drawRect(280,355,130,26)
gfx.drawText(286,365,"Undo")
gfx.drawText(326,365,"Redo")
gfx.drawText(366,365,"1-Frame")

if tpt.mousey > 355 and tpt.mousey < 382 then
if tpt.mousex > 280 and tpt.mousex < 315  then
gfx.fillRect(280,356,36,24,55,255,55,120)
elseif tpt.mousex > 316 and tpt.mousex < 355 then
gfx.fillRect(322,356,36,24,55,255,55,120)
elseif tpt.mousex > 356 and tpt.mousex < 410 then
gfx.fillRect(364,356,45,24,55,255,55,120)
end
end
end

local function simoptionsclick(x,y)
if y > 355 and y < 382 then
if x > 280 and x < 315  then
print("Undo used")
sim.historyRestore()
elseif x > 316 and x < 355 then
sim.historyForward()
print("Redo used")
elseif x > 356 and x < 410 then
tpt.set_pause(1)
sim.framerender(1)
print("Advanced by 1 frame")
end
return false
end
end

button14:action(function(sender)
if simopval == 0 then
simopval = 1
event.unregister(event.tick,simoptions)
event.register(event.tick,simoptions)
event.unregister(event.mousedown,simoptionsclick)
event.register(event.mousedown,simoptionsclick)
print("Simulation options turned on.")
elseif simopval == 1 then
simopval = 0
event.unregister(event.mousedown,simoptionsclick)
event.unregister(event.tick,simoptions)
end
end)

button15:action(function(sender)
ui.closeWindow(brushmenu)
sim.resetPressure()
tpt.reset_spark()
print("SPRK and Pressure have been reset.")
end)

local function disabletools()
event.unregister(event.mousedown,mouse_down)
event.unregister(event.tick,selecthelp)
event.unregister(event.mouseup,mouse_up)
end

button7:action(function(sender)
disabletools()
boxstat = "0"
linetoolstat = "0"
if floodstat == "0" then
print("Click in an enclosed area to flood fill, turn off when not in use")
floodstat = "1"
event.register(event.mousedown,mouse_down)
event.register(event.tick,selecthelp)
ui.closeWindow(brushmenu)
elseif floodstat == "1" then
event.unregister(event.mousedown,mouse_down)
event.unregister(event.tick,selecthelp)
floodstat = "0"
end
end)

button12:action(function(sender)
disabletools()
floodstat = "0"
linetoolstat = "0"
if boxstat == "0" then
print("Click and drag to draw a box, click outside the simulation area to cancel.")
event.register(event.mousedown,mouse_down)
event.register(event.mouseup,mouse_up)
event.register(event.tick,selecthelp)
boxstat = "1"
ui.closeWindow(brushmenu)
elseif boxstat == "1" then
event.unregister(event.mousedown,mouse_down)
event.unregister(event.tick,selecthelp)
event.unregister(event.mouseup,mouse_up)
boxstat = "0"
end
end)

button13:action(function(sender)
disabletools()
floodstat = "0"
boxstat = "0"
drawval = 0
if linetoolstat == "0" then
print("Click and drag to draw a line, click outside the simulation area to cancel.")
event.register(event.mousedown,mouse_down)
event.register(event.mouseup,mouse_up)
event.register(event.tick,selecthelp)
linetoolstat = "1"
ui.closeWindow(brushmenu)
elseif linetoolstat == "1" then
event.unregister(event.mousedown,mouse_down)
event.unregister(event.tick,selecthelp)
event.unregister(event.mouseup,mouse_up)
linetoolstat = "0"
end
end)

--ADD BUTTONS
brushmenu:addComponent(button1)
brushmenu:addComponent(button2)
brushmenu:addComponent(button3)
brushmenu:addComponent(button4)
brushmenu:addComponent(button5)
brushmenu:addComponent(button6)
brushmenu:addComponent(button7)
brushmenu:addComponent(brushwidth)
brushmenu:addComponent(brushheight)
brushmenu:addComponent(button8)
brushmenu:addComponent(button9)
brushmenu:addComponent(button10)
brushmenu:addComponent(button11)
brushmenu:addComponent(button12)
brushmenu:addComponent(button13)
brushmenu:addComponent(button14)
brushmenu:addComponent(button15)
brushmenu:addComponent(button16)
--Draws graphics when menu is open
brushmenu:onDraw(selectedbrush)
--End of script