Add support for multiple levels

levels

@@ -0,0 +1,15 @@
+#######
+#.@ # #
+#$* $ #
+#   $ #
+# ..  #
+#  *  #
+#######
+
+#######
+#.@ # #
+#$* $ #
+#   $ #
+# ..  #
+#  *  #
+#######

soko.bqn

@@ -14,64 +14,63 @@
 #   ⟨ 4 ⟩ ⟨ 1 0 ⟩ ⟨ 2 0 ⟩ ⟨ 0 ⟩ ⟨ 4 ⟩     #@*.#
 #   ⟨ 4 ⟩ ⟨ 4 ⟩   ⟨ 4 ⟩   ⟨ 4 ⟩ ⟨ 4 ⟩     #####"
 #                                     ┘         ┘
-moves←⟨0‿0⟩
-chars←" @$.+*#"
-level ← >⟨
-"#######"
-"#.@ # #"
-"#$* $ #"
-"#   $ #"
-"# ..  #"
-"#  *  #"
-"#######"
-          ⟩
+moves←⟨0‿0⟩ # list of moves, each move is a direction, we start without moving
+chars←" @$.+*#" # legal characters
 
-ll←{(⊑chars⊐𝕩)⊑⟨≍0,1‿0,2‿0,≍3,1‿3,2‿3,≍6⟩}¨(⊢↑˝·≍⟜¬2+≢)level
-#ll←≍¨(⊢↑˝·≍⟜¬2+≢)chars⊐level # ascii to numbers, 0pad and listify
-#_change←{ll↩𝔽¨⌾((ll∊≍¨𝕩)/○⥊⊢)ll} # Add 0s to the boxes and player: ⟨2⟩ -> ⟨2,0⟩
-#∾⟜0 _change 1‿2 ⋄ (-≍○⊑⊢)⟜3 _change 4‿5 # change 5('*') to ⟨2,3⟩, 5('+') to ⟨1,3⟩
-#Rle←(∾´∾¨)∘((+⟜(×⟜10)´ -⟜'0'∘⌽)⊸⥊⟜<¨)˜´(≠⊸⥊⟜1‿0)⊸⊔∘(1⊸↓)∘(((+`»⊸≠) '0'⊸< ∧ '9'⊸>)⊸⊔)`)))
+SplitOnEmpty←{𝕩⊔˜(⊢-˜+`׬)0=≠¨𝕩}
+Ascii2Matrix←{(⊑chars⊐𝕩)⊑⟨≍0,1‿0,2‿0,≍3,1‿3,2‿3,≍6⟩}¨(⊢↑˝·≍⟜¬2+≢)
 
-# 𝕨 C 𝕩 | 𝕩: object coordinate (3‿1) |  𝕨: direction vector (¯1‿0)
+
+# 𝕨 Tiles 𝕩 | 𝕩: object coordinate (3‿1) |  𝕨: direction vector (¯1‿0)
 # result: ⟨ ⟨ 3 1 ⟩ ⟨ 2 1 ⟩ ⟨ 1 1 ⟩ ⟩
 # returns 3 tiles in the specified direction from the
 Tiles←{⟨𝕩,𝕩+𝕨,𝕩+2×𝕨⟩} # given object (including itself)
 
-Player←{⊑/○⥊⟜(↕≢)1⍷⊑¨𝕩} # P 𝕩 | 𝕩:level | returns the coordinate of the [P]layer
+Player←{⊑/○⥊⟜(↕≢)1⍷⊑¨𝕩} # Player 𝕩 | 𝕩:level | returns the coordinate of the [P]layer
 
-# M 𝕩 | 𝕩: ⟨⟨1,0⟩,⟨0⟩⟩ (2 tiles) | result: ⟨⟨0⟩,⟨1,0⟩⟩
-# [M]ove the first object in the first tile to the second tile. 
+# Move 𝕩 | 𝕩: ⟨⟨1,0⟩,⟨0⟩⟩ (2 tiles) | result: ⟨⟨0⟩,⟨1,0⟩⟩
+# Move the first object in the first tile to the second tile. 
 # Only move Player/Box -> Floor/Goal
 # the second tile can't be a box because we moved it previously
 # if it is it means that the box was unmovable (next to a wall) so we do nothing
 Move←{a‿b:⟨1↓a,(⊑a)∾b⟩}⍟{∨´(⥊1‿2≍⌜0‿3)≡⌜<⊑¨𝕩}
 
-# P 𝕩 | 𝕩: ⟨⟨1,0⟩,⟨2,0⟩,⟨0,0)⟩ (3 tiles) | result: ⟨⟨0⟩,⟨1,0⟩,⟨2,0)⟩
+# Push 𝕩 | 𝕩: ⟨⟨1,0⟩,⟨2,0⟩,⟨0,0)⟩ (3 tiles) | result: ⟨⟨0⟩,⟨1,0⟩,⟨2,0)⟩
 # Given 3 tiles try to [P]ush the second tile (possible box) 
 # and afterwards try to move the first one (player) if possible
 Push←Move⌾(2↑⊢)Move⌾(1↓⊢) 
 
 S←{Push⌾((𝕨 Tiles Player 𝕩 )⊸⊑)𝕩} # 𝕨 S 𝕩 | 𝕨: direction | 𝕩:level | step the game
-Draw←{chars⊏˜+´¨ll S´ ⌽𝕩} # Draw 𝕩 | 𝕩: level | Draw the game in ASCII
+Draw←{chars⊏˜+´¨𝕨 S´ ⌽𝕩} # Draw 𝕩 | 𝕩: moves | Draw the game in ASCII
 W←{(2≡¨⊑¨𝕩) =○(+´⥊) (<2‿3)≡¨𝕩} # W 𝕩 | 𝕩: level | [W]in condition
 N←{moves↩moves∾<𝕩}
 Undo←{𝕊:moves↩(-1<≠)⊸↓moves}
 While ← {𝕨{𝕊∘𝔾⍟𝔽𝕩}𝕩@}´
 
-•term.RawMode 1
-•Out "[?25l"
-•Out "Press key" ⋄ •Out˘ Draw moves
+# Main loop
+# Load file containing levels
+levels←Ascii2Matrix¨>¨SplitOnEmpty•FLines "levels"
+currentLevel←0
+•term.RawMode 1 # set terminal to raw mode
+•Out "[?25l" # Cursor to origin, hide it and clear screen
 clear←""
-While {𝕤⋄¬W ll S´⌽moves}‿{𝕤
+While {𝕤⋄currentLevel<≠levels}‿{𝕤 # Loop until the user wins
   •Out ""
+  •Out "Level: "∾•Repr 1+currentLevel
+  •Out "7"
+  •Out "Press key"
+  •Out˘ (currentLevel⊑levels) Draw moves
   key←•term.CharB @
   {𝕤⋄N ⊑("hjkl"=key)/⟨0‿¯1,1‿0,¯1‿0,0‿1⟩}⍟(⊑key∊"hjkl")@
   {𝕤⋄Undo @}⍟(key='u')@
+  {𝕤⋄•Out "[?12l[?25h"⋄•Exit 0}⍟(key='q')@
   {𝕤⋄clear↩""}⍟(((1⊸+>○(⌊1+10⋆⁼1⌈⊢)⊢)¯1+≠moves)∧key='u')@
+  •Out "8"
   {𝕤⋄•Out clear∾"Press key"}⍟(⊑key∊"hjklu")@
-  {𝕤⋄•Out "Wrong key"}⍟(¬⊑key∊"hjklu")@
-  •Out˘ Draw moves
-  •Out "Moves: "∾{'0'+⌽10|⌊𝕩÷10⋆↕(⌊1+10⋆⁼1⌈⊢)𝕩}¯1+≠moves
+  {𝕤⋄•Out "Wrong key"}⍟(¬⊑key∊"hjkluq")@
+  •Out˘ (currentLevel⊑levels) Draw moves
+  •Out "Moves: "∾•Repr ¯1+≠moves
+  {𝕤⋄•Out ""⋄currentLevel↩currentLevel+1⋄moves↩⟨0‿0⟩}⍟(W (currentLevel⊑levels) S´⌽moves)@
 }
-•Out "Well played!"
+•Out "Well played, you win!"
 •Out "[?12l[?25h"