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"use strict";
let game = null;
let view = null;
exports.roles = [ "Axis", "Allied" ];
exports.scenarios = [
"1940",
"1941",
"1941-42",
"Crusader",
"Battleaxe",
"1942",
"Gazala",
"Pursuit to Alamein",
];
exports.ready = function (scenario, options, players) {
return players.length === 2;
}
function random(n) {
return ((game.seed = game.seed * 69621 % 0x7fffffff) / 0x7fffffff) * n | 0;
}
function shuffle(deck) {
for (let i = deck.length - 1; i > 0; --i) {
let j = random(i + 1);
let tmp = deck[j];
deck[j] = deck[i];
deck[i] = tmp;
}
}
function remove_from_array(array, item) {
let i = array.indexOf(item);
if (i >= 0)
array.splice(i, 1);
}
function logbr() {
if (game.log.length > 0 && game.log[game.log.length-1] !== "")
game.log.push("");
}
function log(msg) {
game.log.push(msg);
}
function clear_undo() {
game.undo = [];
}
function push_undo() {
game.undo.push(JSON.stringify(game, (k,v) => {
if (k === 'undo') return 0;
if (k === 'log') return v.length;
return v;
}));
}
function pop_undo() {
let save_undo = game.undo;
let save_log = game.log;
game = JSON.parse(save_undo.pop());
game.undo = save_undo;
save_log.length = game.log;
game.log = save_log;
}
function gen_action(action, argument) {
if (argument !== undefined) {
if (!(action in view.actions)) {
view.actions[action] = [ argument ];
} else {
if (!view.actions[action].includes(argument))
view.actions[action].push(argument);
}
} else {
view.actions[action] = 1;
}
}
let states = {};
exports.setup = function (seed, scenario, options) {
game = {
seed: seed,
log: [],
undo: [],
};
return game;
}
exports.action = function (state, current, action, arg) {
game = state;
update_aliases();
let S = states[game.state];
if (action in S) {
S[action](arg, current);
} else {
if (action === 'undo' && game.undo && game.undo.length > 0)
pop_undo();
else
throw new Error("Invalid action: " + action);
}
return game;
}
exports.resign = function (state, current) {
// No resigning allowed.
return state;
}
exports.view = function(state, current) {
game = state;
update_aliases();
view = {
log: game.log,
active: game.active,
prompt: null,
};
if (current === 'Observer' || game.active !== current) {
view.prompt = `Waiting for ${game.active} \u2014 ${game.state}...`;
} else {
view.actions = {}
states[game.state].prompt();
if (game.undo && game.undo.length > 0)
view.actions.undo = 1;
else
view.actions.undo = 0;
}
return view;
}
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