shithub: klondike

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Middle click will send the card to the tableau if there is no move to the foundation.

--- a/README.md

+++ b/README.md

@@ -1,7 +1,14 @@

 # plan9-klondike

+Klondike for Plan 9.

+Left click to pick up or flip over cards. Middle click to send a card to the foundation, or tableau. Right click to start a new game or quit. 

+

+### Note on origin of this code.

 This code is originally by Felipe Bichued, and is Public Domain. You can find it listed on https://9p.io/wiki/plan9/Contrib_index/index.html, or, if you are using 9front, under:

-`9fs sources`

-`cd /n/sources/contrib/bichued/root/sys/src/games/klondike/`

+```

+9fs sources

+cd /n/sources/contrib/bichued/root/sys/src/games/klondike/

+```

-## Changes made to the original version

+### Changes made to the original version

 1. New mkfile that installs the card images. Card locations added at build time.

+2. Middle click will send the card to the tableau if there is no move to the foundation.

--- a/card.c

+++ b/card.c

@@ -92,6 +92,31 @@

 	drawtable(screen);

 }

+void

+putintableau(Point xy)

+{

+	int i;

+	Card *c;

+	Cardstack *src, *dst;

+

+	src = chosenstack(xy);

+	if(src == nil || src == stock

+	|| movpilesize(xy, src) == 0

+	|| !top(src)->up)

+		return;

+	c = pop(src);

+	dst = src;

+	for(i = 0; i < nelem(tableau); i++){

+		dst = tableau[i];

+		if(src != dst)

+			if(validmove(c, dst))

+				break;

+			dst = src;

+	}

+	push(dst, c);

+	drawtable(screen);

+}

+

 int

 canturn(Cardstack *cs)

 {

--- a/klondike.c

+++ b/klondike.c

@@ -202,8 +202,9 @@

 				drag();

 			break;

 		case 2:

-			putinfoundation(mouse.xy);

 			waitbutrelease(2);

+			putinfoundation(mouse.xy);

+			putintableau(mouse.xy);

 			break;

 		case 4:

 			switch(emenuhit(3, &mouse, &menu)){

--- a/klondike.h

+++ b/klondike.h

@@ -59,6 +59,7 @@

 int candrop(Card*, Cardstack*);

 int validmove(Card*, Cardstack*);

 void putinfoundation(Point);

+void putintableau(Point);

 /*draw.c*/

 void drawtable(Image*);