82 lines
2.3 KiB
JavaScript
82 lines
2.3 KiB
JavaScript
import Messaging;
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import player from Room;
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import Save;
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import Session;
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import Table;
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import Time;
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var metadata = Table.make(function(o) {return o.value.date;});
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metadata.insertAll(Save.get('games.metadata') || {});
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initMessageHandlers();
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return {
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metadata: metadata,
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proposal: proposal
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};
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function makeMetadata(state) {
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var sessionKey = Session.getKey();
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return Time.timestamp({
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vs: player(state.public.nextPlayer[sessionKey]),
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yourTurn: state.public.playing == sessionKey
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});
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}
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function proposal(playerID, yourTurn) {
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metadata.insert(
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playerID,
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Time.timestamp({vs: player(playerID), yourTurn: yourTurn})
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);
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}
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function pushState(gameID, state) {
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var latestPath = "games.state." + gameID + ".latest";
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var formerPath = "games.state." + gameID + ".former";
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var former = Save.get(latestPath);
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if(former != undefined) {
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Save.set(formerPath, former);
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}
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Save.set(latestPath, state);
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}
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function compare(gameCoordinatesA, gameCoordinatesB) {
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if(gameCoordinatesA.month < gameCoordinatesB.month) {
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return -1;
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} else if(gameCoordinatesA.month > gameCoordinatesB.month) {
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return 1;
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} else if(gameCoordinatesA.turn < gameCoordinatesB.turn) {
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return -1;
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} else if(gameCoordinatesA.turn > gameCoordinatesB.turn) {
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return 1;
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} else {
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return 0;
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}
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}
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function initMessageHandlers() {
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Messaging.addEventListener(["Game"], function(o) {
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var gameID = o.state.public.coordinates.gameID;
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var metadata = makeMetadata(o.state);
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pushState(gameID, o.state);
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Save.set("games.metadata." + gameID, metadata);
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metadata.insert(gameID, metadata);
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});
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Messaging.addEventListener(["Relay", "Sync"], function(o) {
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var gameID = o.message.latestKnown.gameID;
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var latestKnownHere = Save.get("games.state." + gameID + ".latest");
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switch(compare(latestKnownHere, o.message.latestKnown)) {
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case -1: Messaging.send({tag: "Yield", onGameID: gameID});
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case 1: Messaging.send({tag: "Sync", latestKnown: latestKnownHere});
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}
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});
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Messaging.addEventListener(["Relay", "Yield"], function(o) {
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var gameID = o.message.latestKnown.gameID;
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var latestKnownHere = Save.get("games.message." + gameID + ".latest");
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if(o.from == latestKnownHere.public.nextPlayer[Session.getKey()]) {
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Messaging.send({tag: "Share", gameSave: latestKnownHere});
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}
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});
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}
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