ref: 02ac617541ca1a7bf82b1615fb5a58235469b5d3
dir: /appl/spree/engines/spider.b/
implement Gatherengine;
include "sys.m";
sys: Sys;
include "draw.m";
include "sets.m";
All, None: 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, Card: import cardlib;
getcard: import cardlib;
dTOP, dRIGHT, dLEFT, oRIGHT, oDOWN,
aCENTRERIGHT, aCENTRELEFT, aUPPERRIGHT, aUPPERCENTRE,
EXPAND, FILLX, FILLY, Stackspec: import Cardlib;
include "../gather.m";
clique: ref Clique;
open: array of ref Object; # [10]
deck: ref Object;
discard: ref Object;
dealbutton: ref Object;
CLICK, MORECARDS: con iota;
Openspec := Stackspec(
"display", # style
19, # maxcards
0, # conceal
"" # title
);
clienttype(): string
{
return "cards";
}
maxmembers(): int
{
return 1;
}
readfile(nil: int, nil: big, nil: int): array of byte
{
return nil;
}
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);
cardlib = load Cardlib Cardlib->PATH;
if (cardlib == nil) {
sys->print("whist: cannot load %s: %r\n", Cardlib->PATH);
return "bad module";
}
return nil;
}
propose(members: array of string): string
{
if (len members != 1)
return "one member only";
return nil;
}
archive()
{
archiveobj := cardlib->archive();
allow->archive(archiveobj);
cardlib->archivearray(open, "open");
cardlib->setarchivename(deck, "deck");
cardlib->setarchivename(discard, "discard");
cardlib->setarchivename(dealbutton, "dealbutton");
}
start(members: array of ref Member, archived: int)
{
cardlib->init(spree, clique);
if (archived) {
archiveobj := cardlib->unarchive();
allow->unarchive(archiveobj);
open = cardlib->getarchivearray("open");
discard = cardlib->getarchiveobj("discard");
deck = cardlib->getarchiveobj("deck");
dealbutton = cardlib->getarchiveobj("dealbutton");
} else {
p := members[0];
Cmember.join(p, -1).layout.lay.setvisibility(All);
startclique();
allow->add(CLICK, p, "click %o %d");
allow->add(MORECARDS, p, "morecards");
}
}
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 are not playing";
case tag {
CLICK =>
# click stack index
stack := clique.objects[int hd tl toks];
nc := len stack.children;
idx := int hd tl tl toks;
sel := cp.sel;
stype := stack.getattr("type");
if (sel.isempty() || sel.stack == stack) {
if (idx < 0 || idx >= len stack.children)
return "invalid index";
case stype {
"open" =>
select(cp, stack, (idx, nc));
* =>
return "you can't move cards from there";
}
} else {
from := sel.stack;
case stype {
"open" =>
c := getcard(sel.stack.children[sel.r.start]);
n := c.number + 1;
for (i := sel.r.start; i < sel.r.end; i++) {
c2 := getcard(sel.stack.children[i]);
if (c2.face == 0)
return "cannot move face down cards";
if (c2.number != n - 1)
return "bad number sequence";
n = c2.number;
}
if (nc != 0) {
c2 := getcard(stack.children[nc - 1]);
if (c2.number != c.number + 1)
return "descending, only";
}
srcstack := sel.stack;
sel.transfer(stack, -1);
turntop(srcstack);
nc = len stack.children;
if (nc >= 13) {
c = getcard(stack.children[nc - 1]);
suit := c.suit;
for (i = 0; i < 13; i++) {
c = getcard(stack.children[nc - i - 1]);
if (c.suit != suit || c.number != i)
break;
}
if (i == 13) {
stack.transfer((nc - 13, nc), discard, -1);
turntop(stack);
}
}
* =>
return "can't move there";
}
}
MORECARDS =>
for (i := 0; i < 10; i++)
if (len open[i].children == 0)
return "spaces must be filled before redeal";
for (i = 0; i < 10; i++) {
if (len deck.children == 0)
break;
cp.sel.set(nil);
cardlib->setface(deck.children[0], 1);
deck.transfer((0, 1), open[i], -1);
}
setdealbuttontext();
}
return nil;
}
setdealbuttontext()
{
dealbutton.setattr("text", sys->sprint("deal more (%d left)", len deck.children), All);
}
turntop(stack: ref Object)
{
if (len stack.children > 0)
cardlib->setface(stack.children[len stack.children - 1], 1);
}
startclique()
{
addlayobj, addlayframe: import cardlib;
open = array[10] of {* => newstack(nil, Openspec, "open", nil)};
deck = clique.newobject(nil, All, "stack");
discard = clique.newobject(nil, All, "stack");
cardlib->makecards(deck, (0, 13), "0");
cardlib->makecards(deck, (0, 13), "1");
addlayframe("arena", nil, nil, dTOP|EXPAND|FILLX|FILLY, dTOP);
addlayframe("top", "arena", nil, dTOP|EXPAND|FILLX|FILLY, dTOP);
for (i := 0; i < 10; i++)
addlayobj(nil, "top", nil, dLEFT|oDOWN|EXPAND|aUPPERCENTRE, open[i]);
addlayframe("bot", "arena", nil, dTOP, dTOP);
dealbutton = newbutton("morecards", "deal more");
addlayobj(nil, "bot", nil, dLEFT, dealbutton);
deal();
setdealbuttontext();
}
deal()
{
cardlib->shuffle(deck);
for (i := 0; i < 10; i++) {
deck.transfer((0, 4), open[i], 0);
turntop(open[i]);
}
}
newstack(parent: ref Object, spec: Stackspec, stype, title: string): ref Object
{
stack := cardlib->newstack(parent, nil, spec);
stack.setattr("type", stype, None);
stack.setattr("actions", "click", All);
stack.setattr("title", title, All);
return stack;
}
select(cp: ref Cmember, stack: ref Object, r: Range)
{
if (cp.sel.isempty()) {
cp.sel.set(stack);
cp.sel.setrange(r);
} else {
if (cp.sel.r.start == r.start && cp.sel.r.end == r.end)
cp.sel.set(nil);
else
cp.sel.setrange(r);
}
}
newbutton(cmd, text: string): ref Object
{
but := clique.newobject(nil, All, "widget button");
but.setattr("command", cmd, All);
but.setattr("text", text, All);
return but;
}