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comp.js
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comp.js
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.pragma library
//------------------------------------------------------------------------------
function delim(a) { return a == ' ' || a == '\t' || a == '\r'; }
function split(a)
{
var q = [];
for (var i = 0, j = 0; ; i = j)
{
for (; i < a.length && delim(a[i]); i++);
j = i;
for (; j < a.length && !delim(a[j]); j++);
if (i < j) q.push(a.slice(i, j));
else return q;
}
}
//------------------------------------------------------------------------------
var CD_MT_EMPTY = 0;
var CD_MT_UCIOK = 1;
var CD_MT_READYOK = 2;
var CD_MT_BESTMOVE = 3;
var CD_MT_UCI = 4;
var CD_MT_ISREADY = 5;
var CD_MT_UCINEWGAME = 6;
var CD_MT_POSITION = 7;
var CD_MT_GO = 8;
function Message(a_type, a_arg)
{
this.type = a_type;
if (a_type == CD_MT_BESTMOVE) this.best = a_arg;
else if (a_type == CD_MT_POSITION) this.fen = a_arg;
else if (a_type == CD_MT_GO) this.time = a_arg;
}
Message.prototype.toString = function ()
{
var s = "";
if (this.type == CD_MT_UCI) s = "uci";
else if (this.type == CD_MT_ISREADY) s = "isready";
else if (this.type == CD_MT_UCINEWGAME) s = "ucinewgame";
else if (this.type == CD_MT_POSITION) s = "position fen " + this.fen;
else if (this.type == CD_MT_GO) s = "go movetime " + this.time;
return s;
}
function messageFromString(a)
{
var q = this.split(a);
if (q.length < 1) return new Message(CD_MT_EMPTY);
if (q[0] == "uciok") return new Message(CD_MT_UCIOK);
else if (q[0] == "readyok") return new Message(CD_MT_READYOK);
else if (q[0] == "bestmove") return new Message(CD_MT_BESTMOVE, q[1]);
return new Message(CD_MT_EMPTY);
}
//------------------------------------------------------------------------------
var CD_S_DEFAULT = 0;
var CD_S_WAIT_FOR_ICUOK = 1;
var CD_S_WAIT_FOR_READY = 2;
var CD_S_WAIT_FOR_NEWGAME = 3;
var CD_S_NEWGAME = 4;
function CompData(a_comp)
{
this.m_comp = a_comp;
this.m_state = CD_S_DEFAULT;
this.m_buf = "";
this.m_messages = [];
this.m_engineControl = Qt.createQmlObject("import com.github.rasimv.uciapp 1.0; EngineController {}", this.m_comp);
}
CompData.prototype.start = function ()
{
this.m_engineControl.started.connect(this.onStarted);
this.m_engineControl.error.connect(this.onError);
this.m_engineControl.readyRead.connect(this.onReadyRead);
this.m_engineControl.start(this);
}
CompData.prototype.stop = function ()
{
this.m_engineControl.readyRead.disconnect(this.onReadyRead);
}
CompData.prototype.position = function (a_fen)
{
this.sendMessage(new Message(CD_MT_POSITION, a_fen));
}
CompData.prototype.turn = function ()
{
this.sendMessage(new Message(CD_MT_GO, 2000));
}
CompData.prototype.onStarted = function (a_this) {}
CompData.prototype.onError = function (a_this) {}
CompData.prototype.onReadyRead = function (a_this)
{
a_this.m_buf += a_this.m_engineControl.read();
a_this.parse();
while (a_this.process());
}
CompData.prototype.line = function ()
{
var i = 0;
for (; i < this.m_buf.length && this.m_buf[i] != '\n'; i++);
if (i >= this.m_buf.length) return null;
var s = this.m_buf.slice(0, i);
this.m_buf = this.m_buf.slice(i + 1);
return s;
}
CompData.prototype.parse = function ()
{
for (var s = this.line(); s != null; s = this.line())
this.m_messages.push(messageFromString(s));
}
CompData.prototype.findMessage = function (a_type)
{
for (var i = 0; i < this.m_messages.length; i++)
if (a_type == this.m_messages[i].type) return i;
return -1;
}
CompData.prototype.process = function ()
{
if (this.m_state == CD_S_DEFAULT)
{
this.m_state = CD_S_WAIT_FOR_ICUOK;
this.m_messages = [];
this.sendMessage(new Message(CD_MT_UCI));
}
else if (this.m_state == CD_S_WAIT_FOR_ICUOK)
{
if (this.findMessage(CD_MT_UCIOK) >= 0)
{
this.m_state = CD_S_WAIT_FOR_READY;
this.m_messages = [];
this.sendMessage(new Message(CD_MT_ISREADY));
}
}
else if (this.m_state == CD_S_WAIT_FOR_READY)
{
if (this.findMessage(CD_MT_READYOK) >= 0)
{
this.m_state = CD_S_WAIT_FOR_NEWGAME;
this.m_messages = [];
this.sendMessage(new Message(CD_MT_UCINEWGAME));
this.sendMessage(new Message(CD_MT_ISREADY));
}
}
else if (this.m_state == CD_S_WAIT_FOR_NEWGAME)
{
if (this.findMessage(CD_MT_READYOK) >= 0)
{
this.m_state = CD_S_NEWGAME;
this.m_messages = [];
this.m_comp.queueStarted();
}
}
else if (this.m_state == CD_S_NEWGAME)
{
var g = this.findMessage(CD_MT_BESTMOVE);
if (g >= 0)
{
var w = this.m_messages[g];
this.m_messages = [];
this.m_comp.queueCompPly(w.best);
}
}
return false;
}
CompData.prototype.sendMessage = function (a)
{
this.m_engineControl.write(a + "\n");
}