programming/iage/alice.ic

#import "lib.ih"
#import "doors.ih"
#import "debug.ih"
#import "switches.ih"

! Alice Through the Looking Glass Implementation
! Shamelessly stolen from Gareth Rees' tutorial to see if it
! was possible in IAGE.

LibraryMessage 1 "<br><b>THROUGH THE LOOKING GLASS</b>
		  <br><i>An interactive tutorial by Gareth Rees</i>"
		  
LibraryMessage 200 "<br>
		    <BGCOLOR black>
		    <font color=green>
		    <CLEARSCREEN>
		    <br>
		    It's a cold winter day outside, but in the looking-glass
        	    house it's summer. All you need to do is pretend there's a way of
        	    getting through into it somehow...<br><WAITKEY>"
        	    
LibraryMessage 201 "<br>1. About this game
		    <br>2. About the implementation of this game
		    <br>3. What am I supposed to do?
		    <br><br>Please enter 1, 2 or 3 ------->"
		    
LibraryMessage 202 "This game was written by Gareth Rees as a tutorial
		    for the Inform design system.
		    <br><br>The IAGE port was written by Robin Rawson-Tetley,
		    partly as an aid for anyone wanting to write complex
		    games with IAGE, and partly as a proof of concept to
		    show how good IAGE is."
		    
LibraryMessage 203 "This implementation covers everything in Gareth's original
		    tutorial (http://www.gnelson.demon.co.uk/inform/alice/index.html).
		    I did not implement the mirror reflection code because the puzzle
		    design ensures that you would never be able to see anything
		    in the mirror anyway (so it made little sense to me)."
		    
LibraryMessage 204 "The objective is to enter the looking glass - you need to find
                    some way of occupying the kittens to move the chair over to it..."

GameCode {
	Name "Alice"
	MaxItemsCanCarry 10
	MaxWeightCanCarry 10
	MaxSizeCanCarry 10
	StartingLocation drawingroom
	Verbose yes
	ShowAvailableExits no
	AllowPersist no
	SinglePlayerGame yes
	MaxUsers 1
	OverrideSecondaryNouns "66 68 69"
	UsingIAGECombat no
	UsingIAGEMoney no
	WideInventoryDisplay yes
	RealTimeNPCs no
	PlayersStayDead yes
	NPCsStayDead yes
	
	Initialise: CodeExtend [
		' Verbs for untangling the worsted
		addverb 150 untangle
		addverb 150 wind
		' Verbs for help menu
		addverb 4 about
		addverb 4 info
	]
		
	
	Start: Override [
	
		' Change name
		currentplayer.name = "Alice"
	
		' Opening message
		message(200).show
	
		' Show the game version, the library version
		' and output the start location to the player
		
		game.displayversion
		call StandardLib.DisplayLibraryVersion
		game.displaycurrentlocation
		
		' default male/female pronouns
		call NPCPronouns.init
	]
	
	Score: Override [
		currentplayer.print |"Alice has made " & currentplayer.turns & " moves."|
	]
	
	DisplayBanner: Override [
		' Display score / turns
		returnvalue = |"Moves: " & currentplayer.turns|
	]
	
	AfterInput: Override [
		
		' Overriding this in library because I do not want tight
		' scope checking - we will be handling this ourselves.
		
		;help,about,info
			var pans = ask message(201).text
			if ( pans = 1 ) then
				message(202).show
			endif
			if ( pans = 2 ) then
				message(203).show
			endif
			if ( pans = 3 ) then
				message(204).show
			endif
			end
		endif
		
		' This line calls the standard AfterInput library, which generates
		' stock responses. You can edit these responses by changing the
		' messages 1 - 200
		call StandardLib.AfterInput
	]
}

Location drawingroom "Drawing Room" {
	has light
 	Nouns "snow"
        Description "The gentle sound of snow against the window pane
            suggests that it's cold outside, and you're glad to be here
            in the warmth. The drawing-room is reflected in the large
            looking-glass on the wall above the mantelpiece, and a very
            comfortable room it is too, with a warm hearth, a soft rug,
            and an arm-chair that you can curl up and sleep in."
            
        OnInput: [
        
        	;examine
        	else
        		if ( input.noun = 0 ) or ( input.noun = 2 ) then
        			end
        		endif
        		var nono = getitemfromnoun input.noun
        		if ( nono <> 0 ) then 
	        		if ( currentplayer.stateitem <> 0 ) and ( item(nono).currentlocation = drawingroom.id ) then 
	        			if ( nono = mantelpiece.id ) or ( nono = armchair.id ) or ( nono = rug.id ) then
	        				end
	        			endif
	        			var psti = currentplayer.stateitem
	        			if ( nono = mirror.id ) and ( psti = mantelpiece.id ) then
	        				end
	        			endif
	        			currentplayer.print |"You can't reach the " & item(nono).thename & " from the " & item(psti).thename & "."|
	        			end
	        		endif
	        	endif
        	endif
        ]
}

Item redqueen "a red queen" {
	Nouns "red" "queen"
        Description "She's a fierce little chess piece."
        OnAction: [
        
        	end
        	proc before_displayinitial
			if ( whitekitten.getvalue(state) <> 2 ) and ( blackkitten.getvalue(state) <> 2 ) then
				returnvalue = "There is a red queen here."
				cancelevent
			else
				returnvalue = " "
				cancelevent
			endif
		end	
		
		proc before_insert
			if ( input.noun2 = chessboard.nounid ) then
				returnvalue = "Alone on the chess board, the red queen is monarch of all she surveys."
				end
			endif
		end
		
		proc before_get
			if ( whitekitten.getvalue(state) = 2 ) then
				whitekitten.setvalue(state) = 1
			endif
			if ( blackkitten.getvalue(state) = 2 ) then
				blackkitten.setvalue(state) = 1
			endif
		end
		
		proc after_get
			this.movedfromoriginallocation = false
		end
		proc after_drop
			this.movedfromoriginallocation = false
		end
	]
}

Item chessboard "a chess board" {
	StartsIn drawingroom
	Size 2
	has supporter
	Nouns "chess" "board" "checker" "chequer" "chessboard"
        Initial "An abandoned chess board lies on the floor."
        Description "It's left here from the game you were playing just
            now, but the pieces are all missing - the kittens will insist
            on playing with them."
}

Item hearth "the hearth" {
	StartsIn drawingroom
	has scenery
	Nouns "hearth" "fire" "place" "fireplace"
        Description "Looking at the hearth, you wonder if they have a
            hearth in the looking-glass house. You can never tell by
            looking, unless your fire smokes, and then smoke comes up in
            the looking-glass room too - but that may be only pretence,
            just to make it look as if they had a fire."
}

Item rug "rug" {
	Nouns "hearthrug" "hearth-rug" "rug" "indian" "arabian" "beautiful" "soft"
	StartsIn drawingroom
	Size 2
	StaticMessage "The rug is much too large and heavy for you to carry."
	has invisible static supporter stand sit lay
        Description "It's a beautiful rug, made in some far off country,
            	     perhaps India or Araby, wherever those might be."
            	     
        OnAction: [
        
 		;push,pull
 			currentplayer.print "But a hearth-rug is meant to be next to the hearth!"
 			end
 		endif
 		;look
 			#under
 				if ( currentplayer.stateitem = this.id ) then 
 					currentplayer.print "You try to lift up a corner of the rug, but fail. After a while, you realise that this is because you are on top of it. How curious the world is!"
 					end
 				else
 					if ( this.getuserboolean(foundqueen) = false ) then 
 						currentplayer.print "You lift up a corner of the rug and, peering underneath, discover the red queen from the chess set.<br>(Taken)"
 						redqueen.currentlocation = currentplayer.containerlocation
 						end
 					endif
 				endif
 			endif
 		endif
	]
}

Item armchair "arm-chair" {
	StartsIn drawingroom
	Size 2
	has static invisible supporter stand sit lay
	Nouns "arm" "chair" "armchair" "arm-chair"
        Description "It's a huge arm-chair, the perfect place for a kitten
            	     or a little girl to curl up in and doze."
            	     
        OnAction: [
        
        	;push,pull
        	
        		if ( currentplayer.stateitem <> 0 ) then 
        			currentplayer.print |"You'll have to get off the " & item(currentplayer.stateitem).thename & " first."|
        			end
        		endif

			if ( whitekitten.currentlocation = currentplayer.containerlocation ) or ( blackkitten.currentlocation = currentplayer.containerlocation ) then
				currentplayer.print "Not with a kitten in your arms!"
				end
			endif
			
			var kitway = 0
			if ( whitekitten.getvalue(state) = 1 ) then
				kitway = whitekitten.id
			endif
			if ( blackkitten.getvalue(state) = 1 ) then 
				kitway = blackkitten.id
			endif
			
			if ( kitway <> 0 ) then
				currentplayer.print |"You are about to start moving the chair when you notice that the " & item(kitway).thename & " is right in the way. It's a good thing you spotted it, or you would have squashed flat the poor little thing."|
				end
			endif
        		
        		if ( this.getuserboolean(byhearth) = true ) then
        			currentplayer.print "You push the arm-chair away from the hearth."
        			this.removeuserboolean(byhearth)
        			end
        		else
        			currentplayer.print "You push the arm-chair over to the hearth."
        			this.adduserboolean(byhearth)
        			end
        		endif       
        	endif		
        	
		;examine
			var oput = "It's a huge arm-chair, the perfect place for a kitten or a little girl to curl up in and doze. It has been pushed over to the "
			if ( this.getuserboolean(byhearth) = true ) then
				oput = |oput & "fireplace."|
			else
				oput = |oput & "window."|
			endif
			currentplayer.print oput
			end
		endif        	
        ]
}

Item mantelpiece "mantelpiece" {
	StartsIn drawingroom
	has invisible supporter stand
	Size 2
 	Nouns "mantel" "mantelpiece"
        Description "It's higher off the ground than your head, but it
            looks wide enough and sturdy enough to support you."
           
        OnAction: [
        
        	;climb,stand
        	
        		if ( currentplayer.stateitem <> armchair.id ) then 
        			currentplayer.print "The mantelpiece is much too high to climb up onto."
        			end
        		else
        			if ( armchair.getuserboolean(byhearth) = false ) then 
        				currentplayer.print "You can't reach the mantelpiece from here."
        				end
        			endif
        			if ( currentplayer.itemscarried > 0 ) then 
        				currentplayer.print "Your hands are too full."
        				end
        			endif
        		endif
        	endif
        	
        	;put
        		if ( currentplayer.stateitem <> armchair.id ) and ( currentplayer.stateitem <> mantelpiece.id ) then 
        			currentplayer.print "The mantelpiece is so high that you can't reach."
        			end
        		endif
        	endif
        ]            
}

Item mirror "the looking-glass" {
	StartsIn drawingroom
 	has static invisible
 	Nouns "mirror" "looking" "glass" "looking-glass"
 	
 	OnAction: [
 	
 		;examine
 			if ( currentplayer.stateitem = mantelpiece.id ) then 
 				currentplayer.print "Strangely, the glass is beginning to melt away, just like a bright silvery mist."
 				end
 			endif
 			if ( currentplayer.stateitem = armchair.id ) then 
 				currentplayer.print "In the looking-glass you can see the drawing-room of the looking-glass house. What you can see is very much the same as this drawing-room, only all reversed, left for right. But you are sure that out of the corners of the glass, where you can't see, the looking-glass world is quite different from yours."
 				end
 			endif
 			currentplayer.print "In the looking-glass you can see the ceiling of the drawing-room of the looking-glass house. It looks much the same as the ceiling of your drawing-room."
 			end
 		endif
 		
 		;throw
 			currentplayer.print "You don't want seven years' bad luck, do you?"
 			end
 		endif
 		
 		if ( currentplayer.stateitem <> mantelpiece.id ) then 
 			currentplayer.print "You can't reach the looking-glass from where you're standing."
 			end
 		endif
 		
 		;touch,pull,push
 			currentplayer.print "Your hand goes right through the silvery mist!"
 			end
 		endif
 		
 		;go,get
 			#in
 				currentplayer.print "Your hand goes right through the silvery mist, and in another moment the rest of you follows, and you are through the glass..."
 				call StandardLib.Won
 				end
 			endif
 		endif
 	]
} 

Item worsted "a ball of worsted"
	StartsIn drawingroom
	Initial "Worsted"
	Nouns "ball" "of" "worsted" "fine" "blue" "wool"
        
        OnAction: [
        	;examine
        		if ( this.getuserboolean(rolledup) = false ) then 
        			currentplayer.print "It's in a terrible tangle. All that time you spent rolling it up, and now look at it!"
        			end
        		else
        			currentplayer.print "It's a ball of fine blue wool, all rolled up in preparation for some embroidery."
        			end
        		endif
        	endif
        	
        	;untangle
        		if ( this.getuserboolean(rolledup) = false ) then 
        			currentplayer.print "You're as quick as can be at rolling up balls of wool, though you say so yourself! Soon it's neat and tidy again."
        			this.adduserboolean(rolledup)
        			end
        		else
        			currentplayer.print "The worsted is already neatly rolled up."
        			end
        		endif
		endif
		
		end
	
		proc before_get
			if ( whitekitten.getvalue(state) = 3 ) then
				whitekitten.setvalue(state) = 1
			endif
			if ( blackkitten.getvalue(state) = 3 ) then
				blackkitten.setvalue(state) = 1
			endif
		end
		
		proc before_displayinitial
			if ( whitekitten.getvalue(state) <> 3 ) and ( blackkitten.getvalue(state) <> 3 ) then
				returnvalue = "A discarded ball of worsted lies on the floor here."
				cancelevent
			else
				returnvalue = " "
				cancelevent
			endif
		end		
		
		proc after_get
			this.movedfromoriginallocation = false
		end
		proc after_drop
			this.movedfromoriginallocation = false
		end
		proc initialise
			this.adduserboolean(rolledup)
		end
	]
}

! Kitten class for creating kittens
Item kitten "Kitten Class" {

	OnAction: [
	
		;examine
			var otkit = this.getvalue(otherkitten)
			currentplayer.print |"What a beautiful kitten the " & this.thename & " is. Why it's quite definitely your favourite of the pair, and much prettier than that naughty " & item(otkit).thename & "."|
			end
		endif
		;ask,answer,order
			currentplayer.print |"The " & this.thename & " twitches its whiskers and looks at you with such a clever expression that you are certain it understands every word you are saying."|
			end
		endif
		;kiss
			currentplayer.print |"You give the " & this.thename & " a little kiss on its nose, and it looks sweetly and demurely at you."|
			end
		endif
		;attack
			currentplayer.print "You would never do such a beastly thing to such a defenceless little animal!"
			end
		endif
		;show
			var shitem = 0
			if ( input.noun > 0 ) and ( input.noun <> this.nounid ) then
				shitem = getitemfromnoun input.noun
			else
				if ( input.noun2 > 0 ) and ( input.noun2 <> this.nounid ) then
					shitem = getitemfromnoun input.noun2
				endif
			endif
			if ( shitem > 0 ) then
				currentplayer.print |"The " & this.thename & " bats a paw at the " & item(shitem).thename & "."|
				end
			endif
		endif
		;give,throw
			var givit = 0
			if ( input.noun > 0 ) then
				
				givit = getitemfromnoun input.noun
				item(givit).currentlocation = drawingroom.id
				item(givit).movedfromoriginallocation = false
				
				if ( givit <> worsted.id ) and ( givit <> redqueen.id ) then
					currentplayer.print |"You toss the " & item(givit).thename & " onto the floor, but the " & this.thename & " just examines it with a quizzical expression."|
					end
				endif
				
				this.currentlocation = drawingroom.id
				this.movedfromoriginallocation = false
				
				currentplayer.print |"You toss the " & item(givit).thename & " onto the floor and the " & this.thename & " scampers after it."|
				
				if ( givit = worsted.id ) then
					currentplayer.print |"The " & this.thename & " quickly turns the neat ball into a tangle."|
					worsted.removeuserboolean(rolledup)
					this.setvalue(state) = 3
					end
				else
					this.setvalue(state) = 2
					end
				endif
				
			endif
		endif
	
		end
		proc initialise
			if ( this.id = blackkitten.id ) then
				this.setvalue(otherkitten) = whitekitten.id
			else
				this.setvalue(otherkitten) = blackkitten.id
			endif
			this.setvalue(state) = 1
		end
		
		proc before_displayinitial
			if ( this.getvalue(state) = 2 ) then
				returnvalue = |"A " & this.thename & " is playing with the red queen."|
				cancelevent
				end
			endif
			if ( this.getvalue(state) = 3 ) then
				returnvalue = |"A " & this.thename & " is playing with a ball of worsted."|
				cancelevent
				end
			endif
			if ( this.getvalue(state) = 1 ) then
				
				var otkit = this.getvalue(otherkitten)
				if ( item(otkit).getvalue(state) = 1 ) then
					' Make sure we didn't already display this
					if ( whitekitten.getuserboolean(displayedtwo) = false ) then 
						whitekitten.adduserboolean(displayedtwo)
						returnvalue = "Two kittens, one white and one black, are playing together by the arm-chair."
						cancelevent
					else
						returnvalue = " "
						cancelevent
					endif
						
				else
					returnvalue = |"A " & this.thename & " is playing by the arm-chair."|
					cancelevent
				endif
			endif
		end
		
		proc before_get
			var otkit = this.getvalue(otherkitten)
			if ( item(otkit).currentlocation = currentplayer.containerlocation ) then 
				returnvalue = "You can't hold two kittens at once!"
				cancelevent
				end
			else
				returnvalue = |"You pick up the " & this.thename & ". What a beautiful creature it is!"|
				this.setvalue(state) = 4
				this.movedfromoriginallocation = false
				end
			endif
		end
		
		proc before_drop
			this.setvalue(state) = 1
			returnvalue = |"The " & this.thename & " squirms out of your arms and scampers away."|
			this.movedfromoriginallocation = false
		end	
		
		proc after_insert
			this.setvalue(state) = 1
			this.currentlocation = drawingroom.id
			var cntnr = getitemfromnoun input.noun2
			currentplayer.print |"The " & this.thename & " jumps off the " & item(cntnr).thename & ", landing lightly on the floor before scampering away."|
		end
		
		proc each_turn

			whitekitten.removeuserboolean(displayedtwo)
			
			if ( this.currentlocation = currentplayer.containerlocation ) then 

				' This offers 3/8 chance of no action
				var rndec = |8 * random + 1 + makeinteger|
				
				var oput = |"The " & this.thename|
				
				if ( rndec = 1 ) then
					oput = |oput & " mews plaintively."|
				endif
				if ( rndec = 2 ) then
					oput = |oput & " purrs quietly to itself."|
				endif
				if ( rndec = 3 ) then
					oput = |oput & " purrs contendly to itself."|
				endif
				if ( rndec = 4 ) then
					oput = |oput & " rubs its ears against you."|
				endif
				if ( rndec = 5 ) then
					oput = |oput & " squirms out of your arms and scampers away."|
					this.setvalue(state) = 1
					this.currentlocation = drawingroom.id
					this.movedfromoriginallocation = false
				endif
				if ( rndec < 6 ) then
					currentplayer.print oput
				endif
			endif
		end
	]	
}
			
Item whitekitten "a white kitten" extends kitten {
	StartsIn drawingroom
	Nouns "white" "kitten" "kittens" "kitty" "cat"
	Initial "white"
}

Item blackkitten "a black kitten" extends kitten {
	StartsIn drawingroom
	Nouns "black" "kitten" "kittens" "kitty" "cat"
	Initial "black"
}

Item chesspieces "chess pieces" {
	StartsIn drawingroom
	Nouns "rook" "bishop" "knight" "king" "pawn"
	has scenery
 	OnAction: [
            currentplayer.print "Alas, that chess piece seems to be missing. Those naughty kittens!"
        ]
}

Item window "the window" {
	StartsIn drawingroom
	has scenery
	Nouns "window" "pane"
        Description "Outside the window it's snowing gently, and you're
            	     glad to be in here in the warmth."
            	     
	OnAction: [
		;open
			currentplayer.print "You wouldn't want to catch a chill, would you? Better leave the window shut."
			end
		endif
		;search
			currentplayer.print this.defaultexamine
			end
		endif
	]
}