started work on printdes

src/main.lua

@@ -10,6 +10,7 @@ print("House building system")
 print("JUFS Technologies (c) 2026 (Justus Wolff)")
 
 print("fuel: "..tostring(turtle.getFuelLevel()).."/"..tostring(turtle.getFuelLimit()))
+os.sleep(0.1)
 
 function term.setcol(fc, bc)
     term.setTextColor(fc)
@@ -66,6 +67,13 @@ local function posasstring(...)
     end
     return out
 end
+local function load(name)
+    local file = fs.open("designs/"..name, "r")
+    local content = file.readAll()
+    file.close()
+    content = textutils.unserialiseJSON(content)
+    return content["buf"],content["dimensions"]
+end
 local function newdesign()
     local buf = {}
     local dimensions = {
@@ -151,12 +159,7 @@ local function newdesign()
                     if not fs.exists("designs/"..name) or name == "" then
                         printError("Design not found!")
                     else
-                        local file = fs.open("designs/"..name, "r")
+                        buf,dimensions = load(name)
-                        local content = file.readAll()
-                        file.close()
-                        content = textutils.unserialiseJSON(content)
-                        dimensions = content["dimensions"]
-                        buf = content["buf"]
                         camx,camy,currentfloor = 0,0,1
                     end
                 end
@@ -200,6 +203,94 @@ local function newdesign()
         end
     end
 end
+local function move(direction)
+    if direction == "left" then
+        turtle.turnLeft()
+    end
+    if direction == "right" then
+        turtle.turnRight()
+    end
+    while true do
+        if turtle.getFuelLevel() == 0 then
+            reset()
+            print("Out of fuel! Please insert fuel into current slot.")
+            while true do
+                local suc = turtle.refuel(64)
+                if suc then
+                    print("Refuelled. Press enter to continue.")
+                    read("")
+                    break
+                end
+                os.sleep(1)
+            end
+        end
+        local suc,reason = turtle[direction]()
+        if not suc then
+            printError(reason)
+            print("Resolve the error and press enter to continue.")
+            read("")
+        else
+            break
+        end
+    end
+end
+local function place(direction)
+    local func = turtle.place
+    if direction == "down" then
+        func = turtle.placeDown
+    end
+    if direction == "up" then
+        func = turtle.placeUp
+    end
+
+    while true do
+        local suc = func()
+        if not suc then -- next slot
+            local current = turtle.getSelectedSlot()
+            if current == 16 then
+                turtle.select(1)
+            else
+                turtle.select(current+1)
+            end
+        end
+        os.sleep(0) -- yield
+    end
+end
+local function placebuf(buf, x, y, z)
+    if buf[posasstring(x,y,z)] then
+        place("down")
+    end
+end
+local function printdes(buf, dimensions)
+    move("up")
+    move("forward")
+
+    for cy=1,dimensions["y"],1 do
+        for cz=1,dimensions["z"],1 do
+            for cx=1,dimensions["x"],1 do
+                placebuf(buf, cx, cy, cz)
+                move("forward")
+            end
+            -- return to standard pos but +1 to z
+            move("back")
+            move("right")
+            move("forward")
+            move("right")
+            for _=1,dimensions["x"],1 do
+                move("forward")
+            end
+            move("right")
+            move("right")
+        end
+        -- return to standard pos but +1 to y
+        move("left")
+        for _=1,dimensions["z"],1 do
+            move("forward")
+        end
+        move("right")
+        move("up")
+    end
+end
 
 while true do
     integritycheck()
@@ -211,5 +302,34 @@ while true do
     if action == 1 then
         newdesign()
     end
+    if action == 2 then
+        reset()
+        for _,v in pairs(fs.list("designs")) do
+            term.write(v)
+            incline()
+        end
+        write("Enter name: ")
+        local name = read()
+        if not fs.exists("designs/"..name) or name == "" then
+            printError("Design not found!")
+        else
+            local buf,dimensions = load(name)
+            write("Calculating fuel cost...")
+            local cost = dimensions["x"]*dimensions["z"]*(dimensions["y"]*4-1)
+            print(tostring(turtle.getFuelLevel()).."/"..tostring(cost))
+            if turtle.getFuelLevel() < cost then
+                write("WARNING: Not enough fuel! Continue anyway? y/n: ")
+                while true do
+                    local ans = read("")
+                    if ans == "y" then
+                        printdes(buf, dimensions)
+                        break
+                    elseif ans == "n" then break end
+                end
+            else
+                printdes(buf, dimensions)
+            end
+        end
+    end
 end