Bugfixes, added command to set a face's values

cube.lua

@@ -17,8 +17,14 @@ function Cube.new(size)
   faces.F = faces[2]
   faces.B = faces[4]
 
+  local faceValues = {}
+  for i = 0, 5 do
+    faceValues[i] = i
+  end
+
   return setmetatable({
     faces = faces,
+    faceValues = faceValues,
     size = size,
     sizeSquared = sizeSquared
   }, {
@@ -224,18 +230,27 @@ function Cube:B(n, depth)
   end
 end
 
+function Cube:setFace(index, n)
+  if not index or index < 0 or index > 5 or index % 1 ~= 0 then
+    return
+  end
+  n = n or index
+  self.faceValues[index] = n
+end
+
 function Cube:value(n, index)
-  if n < 0 or n > 5 or n % 1 ~= 0 then
+  if not n or n < 0 or n > 5 or n % 1 ~= 0 then
     return 0
   end
 
   if index then
-    return self.faces[n][index] or 0
+    local f = self.faces[n][index]
+    return f and self.faceValues[f] or 0
   end
 
   local sum = 0
   for i = 0, self.sizeSquared - 1 do
-    sum = sum + self.faces[n][i]
+    sum = sum + self.faceValues[self.faces[n][i]]
   end
   return sum
 end
@@ -246,15 +261,15 @@ function Cube:tostring()
   for y = 0, size - 1 do
     s = s .. (" "):rep(size)
     for x = 0, size - 1 do
-      s = s .. self.faces.U[self:index(x, y)]
+      s = s .. self:value(0, self:index(x, y))
     end
     s = s .. "\n"
   end
 
   for y = 0, size - 1 do
     for i = 1, 4 do
       for x = 0, size - 1 do
-        s = s .. self.faces[i][self:index(x, y)]
+        s = s .. self:value(i, self:index(x, y))
       end
     end
     s = s .. "\n"
@@ -263,7 +278,7 @@ function Cube:tostring()
   for y = 0, size - 1 do
     s = s .. (" "):rep(size)
     for x = 0, size - 1 do
-      s = s .. self.faces.D[self:index(x, y)]
+      s = s .. self:value(5, self:index(x, y))
     end
     s = s .. "\n"
   end

cubically.lua

@@ -245,7 +245,7 @@ C.commands = {
     self.notepad = n and bit32.bxor(self.commandIndex or self.notepad, n) or bit32.bnot(self.commandIndex or self.notepad)
   end,
   ['¬'] = function(self, n)
-    self.notepad = (n or self.notepad) and 0 or 1
+    self.notepad = (n or self.notepad) == 0 and 1 or 0
   end,
 
   ['>n'] = function(self, n)
@@ -285,6 +285,8 @@ C.commands = {
     else
       label.args = nil
     end
+
+    label.index = self.commandIndex
   end,
   [')'] = function(self, n)
     local label = table.remove(self.loops)
@@ -299,8 +301,8 @@ C.commands = {
       end
     end
   end,
-  ['?n'] = function(self, n)
-    if n == 0 then
+  ['?'] = function(self, n)
+    if (n or self.notepad) == 0 then
       self.conditionFailed = true
       if not self.options.experimental then
         self:skipcmd()
@@ -377,6 +379,21 @@ C.commands = {
   ['■'] = function(self, n)
     self.cube = Cube.new(n)
   end,
+  ['fi'] = function(self, n)
+    self.cube:setFace(self.commandIndex, n)
+  end,
+
+  ['p'] = function(self, n)
+    n = n or self.notepad
+    local sqrt = math.sqrt(n)
+    for i = 2, sqrt do
+      if i % n == 0 then
+        self.notepad = 0
+        return
+      end
+    end
+    self.notepad = 1
+  end,
 
   ['#x'] = function(self, n)
     print(self.cube:tostring())
@@ -400,6 +417,13 @@ C.commands = table.iterator(C.commands)
       end
     end
 
+    if args:match("i") then
+      local f = func
+      func = function(self, n)
+        return self.commandIndex and f(self, n) or nil
+      end
+    end
+
     return cmd, args, func
   end)
   :totable()

program.cb

@@ -4,6 +4,51 @@
 UR'UF'D2
 ■:𝟘
 
+■𝟝
+f₀𝟛₂f₁𝟛₅f₂𝟛₅
+f₀f₁f₂
+D₁D₃
+B₀.B₂.D₁2D₃2.F₄.
+  ^ bugged, it calls B₂
+D₁D₃
+
+.
+R₁R₃F₁F₃
+
+02020
+11111
+02020
+11111
+02020
+
+$
+-₀𝟝(+𝟝
+  f₄6
+  :7(
+    f₅6
+      -₀𝟝(+𝟝
+        f₃6
+        *₅4₀+3₀@0⁶
+        :3₀
+      -𝟜)6
+      @𝟙₀
+    :5₀
+  -𝟙)6
+  :4₀
+-𝟜)6
+
+.
+
+-₀𝟚₅(+𝟚₅
+  @0⁶
+
+  -𝟚₄
+
+  f₃6
+  %⁶𝟝?@𝟙₀
+  :3₀
+)6
+
 $:7(UR'UF'D𝟚-𝟙)6
 (
   D𝟚FU'RU'