ref: db3b70f1424dfd8c5ea45206790df066c53bfab0
dir: /appl/spree/engines/whist.b/
implement Gatherengine;
include "sys.m";
sys: Sys;
include "draw.m";
include "sets.m";
sets: Sets;
Set, All, None, A, B: import sets;
include "../spree.m";
spree: Spree;
Attributes, Range, Object, Clique, Member, rand: import spree;
include "allow.m";
allow: Allow;
include "cardlib.m";
cardlib: Cardlib;
Selection, Cmember: import cardlib;
dTOP, dLEFT, oRIGHT, EXPAND, FILLX, FILLY, Stackspec: import Cardlib;
include "tricks.m";
tricks: Tricks;
Trick: import tricks;
include "../gather.m";
clique: ref Clique;
CLICK, SAY: con iota;
scores: ref Object;
deck, pile: ref Object;
hands, taken: array of ref Object;
leader, turn: ref Cmember;
trick: ref Trick;
Trickpilespec := Stackspec(
"display", # style
4, # maxcards
0, # conceal
"trick pile" # title
);
Handspec := Stackspec(
"display",
13,
1,
""
);
Takenspec := Stackspec(
"pile",
52,
0,
"tricks"
);
clienttype(): string
{
return "cards";
}
init(srvmod: Spree, g: ref Clique, nil: list of string, nil: int): string
{
sys = load Sys Sys->PATH;
clique = g;
spree = srvmod;
allow = load Allow Allow->PATH;
if (allow == nil) {
sys->print("whist: cannot load %s: %r\n", Allow->PATH);
return "bad module";
}
allow->init(spree, clique);
sets = load Sets Sets->PATH;
if (sets == nil) {
sys->print("spit: cannot load %s: %r\n", Sets->PATH);
return "bad module";
}
sets->init();
cardlib = load Cardlib Cardlib->PATH;
if (cardlib == nil) {
sys->print("whist: cannot load %s: %r\n", Cardlib->PATH);
return "bad module";
}
tricks = load Tricks Tricks->PATH;
if (tricks == nil) {
sys->print("hearts: cannot load %s: %r\n", Tricks->PATH);
return "bad module";
}
return nil;
}
maxmembers(): int
{
return 4;
}
readfile(nil: int, nil: big, nil: int): array of byte
{
return nil;
}
propose(members: array of string): string
{
if (len members < 2)
return "need at least two members";
if (len members > 4)
return "too many members";
return nil;
}
archive()
{
archiveobj := cardlib->archive();
allow->archive(archiveobj);
cardlib->setarchivename(scores, "scores");
cardlib->setarchivename(deck, "deck");
cardlib->setarchivename(pile, "pile");
cardlib->archivearray(hands, "hands");
cardlib->archivearray(taken, "taken");
if (leader != nil)
archiveobj.setattr("leader", string leader.ord, None);
if (turn != nil)
archiveobj.setattr("turn", string turn.ord, None);
trick.archive(archiveobj, "trick");
}
start(members: array of ref Member, archived: int)
{
cardlib->init(spree, clique);
tricks->init(spree, clique, cardlib);
if (archived) {
archiveobj := cardlib->unarchive();
allow->unarchive(archiveobj);
scores = cardlib->getarchiveobj("scores");
deck = cardlib->getarchiveobj("deck");
pile = cardlib->getarchiveobj("pile");
hands = cardlib->getarchivearray("hands");
taken = cardlib->getarchivearray("taken");
o := archiveobj.getattr("leader");
if (o != nil)
leader = Cmember.index(int o);
o = archiveobj.getattr("turn");
if (o != nil)
turn = Cmember.index(int o);
trick = Trick.unarchive(archiveobj, "trick");
} else {
pset := None;
for (i := 0; i < len members; i++) {
Cmember.join(members[i], i);
pset = pset.add(members[i].id);
}
# member 0 layout visible to member 0 and everyone else but other member.
# could be All.del(members[1].id) but doing it this way extends to many-member cliques.
Cmember.index(0).layout.lay.setvisibility(All.X(A&~B, pset).add(members[0].id));
deck = clique.newobject(nil, All, "stack");
cardlib->makecards(deck, (0, 13), nil);
cardlib->shuffle(deck);
scores = clique.newobject(nil, All, "scoretable");
startclique();
n := cardlib->nmembers();
leader = Cmember.index(rand(n));
starthand();
titles := "";
for (i = 0; i < n; i++)
titles += members[i].name + " ";
clique.newobject(scores, All, "score").setattr("score", titles, All);
}
}
command(p: ref Member, cmd: string): string
{
(err, tag, toks) := allow->action(p, cmd);
if (err != nil)
return err;
cp := Cmember.find(p);
if (cp == nil)
return "you're only watching";
case tag {
CLICK =>
# click stackid index
stack := p.obj(int hd tl toks);
if (stack != trick.hands[cp.ord])
return "not yours";
err = trick.play(cp.ord, int hd tl tl toks);
if (err != nil)
return err;
turn = turn.next(1);
if (turn == leader) { # come full circle
winner := Cmember.index(trick.winner);
remark(sys->sprint("%s won the trick", winner.p.name));
cardlib->discard(pile, taken[winner.ord], 0);
nmembers := cardlib->nmembers();
taken[winner.ord].setattr("title",
string (len taken[winner.ord].children / nmembers) +
" tricks", All);
o := winner.obj;
trick = nil;
s := "";
for (i := 0; i < nmembers; i++) {
if (i == winner.ord)
s += "1 ";
else
s += "0 ";
}
clique.newobject(scores, All, "score").setattr("score", s, All);
if (len hands[winner.ord].children > 0) {
leader = turn = winner;
trick = Trick.new(pile, -1, hands, nil);
} else {
remark("one round down, some to go");
leader = turn = nil; # XXX this round over
}
}
canplay(turn);
SAY =>
clique.action("say member " + string p.id + ": '" + joinwords(tl toks) + "'", nil, nil, All);
}
return nil;
}
startclique()
{
entry := clique.newobject(nil, All, "widget entry");
entry.setattr("command", "say", All);
cardlib->addlayobj("entry", nil, nil, dTOP|FILLX, entry);
cardlib->addlayframe("arena", nil, nil, dTOP|EXPAND|FILLX|FILLY, dTOP);
cardlib->maketable("arena");
pile = cardlib->newstack(nil, nil, Trickpilespec);
cardlib->addlayobj(nil, "public", nil, dTOP|oRIGHT, pile);
n := cardlib->nmembers();
hands = array[n] of ref Object;
taken = array[n] of ref Object;
tt := clique.newobject(nil, All, "widget menu");
tt.setattr("text", "hello", All);
for (ml := "one" :: "two" :: "three" :: nil; ml != nil; ml = tl ml) {
o := clique.newobject(tt, All, "menuentry");
o.setattr("text", hd ml, All);
o.setattr("command", hd ml, All);
}
for (i := 0; i < n; i++) {
cp := Cmember.index(i);
hands[i] = cardlib->newstack(cp.obj, cp.p, Handspec);
taken[i] = cardlib->newstack(cp.obj, cp.p, Takenspec);
p := "p" + string i;
cardlib->addlayframe(p + ".f", p, nil, dLEFT|oRIGHT, dTOP);
cardlib->addlayobj(nil, p + ".f", cp.layout, dTOP, tt);
cardlib->addlayobj(nil, p + ".f", nil, dTOP, hands[i]);
cardlib->addlayobj(nil, "p" + string i, nil, dLEFT|oRIGHT, taken[i]);
}
}
joinwords(v: list of string): string
{
if (v == nil)
return nil;
s := hd v;
for (v = tl v; v != nil; v = tl v)
s += " " + hd v;
return s;
}
suitrank := array[] of {
Cardlib->CLUBS => 0,
Cardlib->DIAMONDS => 1,
Cardlib->SPADES => 2,
Cardlib->HEARTS => 3
};
starthand()
{
cardlib->deal(deck, 13, hands, 0);
for (i := 0; i < len hands; i++)
cardlib->sort(hands[i], nil, suitrank);
trick = Trick.new(pile, -1, hands, nil);
turn = leader;
canplay(turn);
}
canplay(cp: ref Cmember)
{
allow->del(CLICK, nil);
for (i := 0; i < cardlib->nmembers(); i++) {
ccp := Cmember.index(i);
v := None.add(ccp.p.id);
ccp.obj.setattr("status", nil, v);
hands[i].setattr("actions", nil, v);
}
if (cp != nil && cp.ord != -1) {
allow->add(CLICK, cp.p, "click %d %d");
v := None.add(cp.p.id);
cp.obj.setattr("status", "Your turn", v);
hands[cp.ord].setattr("actions", "click", v);
}
}
remark(s: string)
{
clique.action("remark " + s, nil, nil, All);
}