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Diffstat (limited to 'rules.js')
| -rw-r--r-- | rules.js | 1140 |
1 files changed, 1140 insertions, 0 deletions
diff --git a/rules.js b/rules.js new file mode 100644 index 0000000..5f280d2 --- /dev/null +++ b/rules.js @@ -0,0 +1,1140 @@ +"use strict" + +const TEUTONS = "Teutons" +const RUSSIANS = "Russians" + +const P1 = TEUTONS +const P2 = RUSSIANS + +let game = null +let view = null +let states = {} + +exports.roles = [ P1, P2 ] + +exports.scenarios = [ + "Pleskau - 1240", + "Watland - 1241", + "Peipus - 1242", + "Return of the Prince - 1241 to 1242", + "Return of the Prince - Nicolle Variant", + "Crusade on Novgorod - 1240 to 1242", + "Pleskau - 1240 (Quickstart)", +] + +exports.scenarios = [ + "Pleskau", + "Watland", + "Peipus", + "Return of the Prince", + "Return of the Prince (Nicolle Variant)", + "Crusade on Novgorod", + "Pleskau (Quickstart)", +] + +// unit types +const KNIGHTS = 0 +const SERGEANTS = 1 +const LIGHT_HORSE = 2 +const ASIATIC_HORSE = 3 +const MEN_AT_ARMS = 4 +const MILITIA = 5 +const SERFS = 6 + +// asset types +const PROV = 0 +const COIN = 1 +const LOOT = 2 +const CART = 3 +const SLED = 4 +const BOAT = 5 +const SHIP = 6 + +const data = require("./data.js") + +function find_lord(name) { return data.lords.findIndex(x => x.name === name) } +function find_locale(name) { return data.locales.findIndex(x => x?.name === name) } + +const lord_name = data.lords.map(lord => lord.name) + +const lord_count = data.lords.length +const vassal_count = data.vassals.length +const last_vassal = vassal_count - 1 +const last_lord = lord_count - 1 + +const LORD_ANDREAS = find_lord("Andreas") +const LORD_HEINRICH = find_lord("Heinrich") +const LORD_HERMANN = find_lord("Hermann") +const LORD_KNUD_ABEL = find_lord("Knud & Abel") +const LORD_RUDOLF = find_lord("Rudolf") +const LORD_YAROSLAV = find_lord("Yaroslav") + +const LORD_ALEKSANDR = find_lord("Aleksandr") +const LORD_ANDREY = find_lord("Andrey") +const LORD_DOMASH = find_lord("Domash") +const LORD_GAVRILO = find_lord("Gavrilo") +const LORD_KARELIANS = find_lord("Karelians") +const LORD_VLADISLAV = find_lord("Vladislav") + +const LOC_REVAL = find_locale("Reval") +const LOC_WESENBERG = find_locale("Wesenberg") +const LOC_DORPAT = find_locale("Dorpat") +const LOC_LEAL = find_locale("Leal") +const LOC_RIGA = find_locale("Riga") +const LOC_ADSEL = find_locale("Adsel") +const LOC_FELLIN = find_locale("Fellin") +const LOC_ODENPAH = find_locale("Odenpäh") +const LOC_WENDEN = find_locale("Wenden") +const LOC_NOVGOROD = find_locale("Novgorod") +const LOC_LADOGA = find_locale("Ladoga") +const LOC_PSKOV = find_locale("Pskov") +const LOC_RUSA = find_locale("Rusa") +const LOC_LOVAT = find_locale("Lovat") +const LOC_LUGA = find_locale("Luga") +const LOC_NEVA = find_locale("Neva") +const LOC_VOLKHOV = find_locale("Volkhov") +const LOC_IZBORSK = find_locale("Izborsk") +const LOC_KAIBOLOVO = find_locale("Kaibolovo") +const LOC_KOPORYE = find_locale("Koporye") +const LOC_PORKHOV = find_locale("Porkhov") +const LOC_VELIKIYE_LUKI = find_locale("Velikiye Luki") + +const LOC_DUBROVNO = find_locale("Dubrovno") + +const NOBODY = -1 +const NOWHERE = -1 +const NOTHING = -1 +const NEVER = -1 +const CALENDAR = 100 + +const SUMMER = 0 +const EARLY_WINTER = 1 +const LATE_WINTER = 2 +const RASPUTITSA = 3 + +const SEASONS = [ + SUMMER, SUMMER, EARLY_WINTER, EARLY_WINTER, LATE_WINTER, LATE_WINTER, RASPUTITSA, RASPUTITSA, + SUMMER, SUMMER, EARLY_WINTER, EARLY_WINTER, LATE_WINTER, LATE_WINTER, RASPUTITSA, RASPUTITSA, +] + +const TURN_NAME = [ + "1 - Summer 1240", + "2 - Summer 1240", + "3 - Early Winter 1240", + "4 - Early Winter 1240", + "5 - Late Winter 1241", + "6 - Late Winter 1241", + "7 - Rasputitsa 1241", + "8 - Rasputitsa 1241", + "9 - Summer 1241", + "10 - Summer 1241", + "11 - Early Winter 1241", + "12 - Early Winter 1241", + "13 - Late Winter 1242", + "14 - Late Winter 1242", + "15 - Rasputitsa 1242", + "16 - Rasputitsa 1242", +] + +const USABLE_TRANSPORT = [ + [ CART, BOAT, SHIP ], + [ SLED ], + [ SLED ], + [ BOAT, SHIP ], +] + +function current_season() { + return SEASONS[game.turn >> 1] +} + +function current_turn_name() { + return TURN_NAME[game.turn >> 1] +} + +// === GAME STATE === + +let first_friendly_lord = 0 +let last_friendly_lord = 5 +let first_enemy_lord = 6 +let last_enemy_lord = 11 + +function update_aliases() { + if (game.active === P1) { + first_friendly_lord = 0 + last_friendly_lord = 5 + first_enemy_lord = 6 + last_enemy_lord = 11 + } else { + first_friendly_lord = 6 + last_friendly_lord = 11 + first_enemy_lord = 0 + last_enemy_lord = 5 + } +} + +function load_state(state) { + if (game !== state) { + game = state + update_aliases() + } +} + +function push_state(next) { + if (!states[next]) + throw Error("No such state: " + next) + game.stack.push([game.state, game.who, game.count]) + game.state = next +} + +function pop_state() { + ;[ game.state, game.who, game.count ] = game.stack.pop() +} + +function set_active(new_active) { + if (game.active !== new_active) { + game.active = new_active + update_active_aliases() + } +} + +function set_active_enemy() { + game.active = enemy_player() + update_aliases() +} + +function enemy_player() { + if (game.active === P1) return P2 + if (game.active === P2) return P1 + return null +} + +function get_lord_locale(lord) { + return game.lords.locale[lord] +} + +function get_lord_service(lord) { + return game.lords.service[lord] +} + +function get_lord_capability(lord, n) { + return game.lords.cards[(lord << 1) + n] +} + +function set_lord_capability(lord, n, x) { + game.lords.cards[(lord << 1) + n] = x +} + +function get_lord_assets(lord, n) { + return pack4_get(game.lords.assets[lord], n) +} + +function get_lord_forces(lord, n) { + return pack4_get(game.lords.forces[lord], n) +} + +function get_lord_routed_forces(lord, n) { + return pack4_get(game.lords.routed_forces[lord], n) +} + +function get_lord_moved(lord) { + return pack1_get(game.lords.moved, lord) +} + +function set_lord_locale(lord, locale) { + game.lords.locale[lord] = locale +} + +function set_lord_service(lord, service) { + game.lords.service[lord] = service +} + +function set_lord_assets(lord, n, x) { + if (x < 0) x = 0 + if (x > 8) x = 8 + game.lords.assets[lord] = pack4_set(game.lords.assets[lord], n, x) +} + +function add_lord_assets(lord, n, x) { + set_lord_assets(lord, n, get_lord_assets(lord, n) + x) +} + +function set_lord_forces(lord, n, x) { + if (x < 0) x = 0 + if (x > 15) x = 15 + game.lords.forces[lord] = pack4_set(game.lords.forces[lord], n, x) +} + +function add_lord_forces(lord, n, x) { + set_lord_forces(lord, n, get_lord_forces(lord, n) + x) +} + +function set_lord_routed_forces(lord, n, x) { + if (x < 0) x = 0 + if (x > 15) x = 15 + game.lords.routed_forces[lord] = pack4_set(game.lords.routed_forces[lord], n, x) +} + +function add_lord_routed_forces(lord, n, x) { + set_lord_routed_forces(lord, n, get_lord_routed_forces(lord, n) + x) +} + +function set_lord_moved(lord, x) { + game.lords.moved = pack1_set(game.lords.moved, lord, x) +} + +function get_lord_vassal_count(lord) { + return data.lords[lord].vassals.length +} + +function get_lord_vassal_service(lord, n) { + let v = data.lords[lord].vassals[n] + return game.vassals[v] +} + +function set_lord_vassal_service(lord, n, x) { + let v = data.lords[lord].vassals[n] + game.vassals[v] = x +} + +// === GAME STATE HELPERS === + +function is_card_in_use(c) { + if (set_has(game.global_cards, c)) + return true + if (game.lords.cards.includes(c)) + return true + if (c === 18 || c === 19 || c === 20) + return true + if (c === 39 || c === 40 || c === 41) + return true + return false +} + +function is_lord_on_map(lord) { + let loc = get_lord_locale(lord) + return loc !== NOWHERE && loc < CALENDAR +} + +function is_lord_on_calendar(lord) { + let loc = get_lord_locale(lord) + return loc >= CALENDAR +} + +function is_lord_ready(lord) { + let loc = get_lord_locale(lord) + return (loc >= CALENDAR && loc <= CALENDAR + (game.turn >> 1)) +} + +function is_vassal_ready(vassal) { + return game.vassals[vassal] === 0 +} + +function is_lord_at_friendly_locale(lord) { + let loc = get_lord_locale(lord) + return is_friendly_locale(loc) +} + +function is_friendly_locale(loc) { + // TODO + return loc !== NOWHERE && loc < CALENDAR +} + +function for_each_friendly_arts_of_war(fn) { + if (game.active === P1) + for (let i = 0; i < 18; ++i) + fn(i) + else + for (let i = 21; i < 39; ++i) + fn(i) +} + +function can_add_transport(who, what) { + // TODO: limit to transports usable in current season? + return get_lord_assets(who, what) < 8 +} + +function roll_die(reason) { + let die = random(6) + 1 + log(`Rolled ${die}${reason}.`) + return die +} + +// === SETUP === + +function setup_lord_on_calendar(lord, turn) { + set_lord_locale(lord, CALENDAR + turn) +} + +function muster_lord(lord, locale, service) { + let info = data.lords[lord] + + if (!service) + service = (game.turn >> 1) + info.service + + set_lord_locale(lord, locale) + set_lord_service(lord, service) + + set_lord_assets(lord, PROV, info.assets.prov | 0) + set_lord_assets(lord, COIN, info.assets.coin | 0) + set_lord_assets(lord, LOOT, info.assets.loot | 0) + + set_lord_assets(lord, CART, info.assets.cart | 0) + set_lord_assets(lord, SLED, info.assets.sled | 0) + set_lord_assets(lord, BOAT, info.assets.boat | 0) + set_lord_assets(lord, SHIP, info.assets.ship | 0) + + set_lord_forces(lord, KNIGHTS, info.forces.knights | 0) + set_lord_forces(lord, SERGEANTS, info.forces.serfs | 0) + set_lord_forces(lord, LIGHT_HORSE, info.forces.light_horse | 0) + set_lord_forces(lord, ASIATIC_HORSE, info.forces.asiatic_horse | 0) + set_lord_forces(lord, MEN_AT_ARMS, info.forces.men_at_arms | 0) + set_lord_forces(lord, MILITIA, info.forces.militia | 0) + set_lord_forces(lord, SERFS, info.forces.serfs | 0) + + for (let v of info.vassals) + game.vassals[v] = 0 +} + +function muster_vassal(lord, vassal) { + let info = data.vassals[vassal] + + game.vassals[vassal] = 1 + + add_lord_forces(lord, KNIGHTS, info.forces.knights | 0) + add_lord_forces(lord, SERGEANTS, info.forces.serfs | 0) + add_lord_forces(lord, LIGHT_HORSE, info.forces.light_horse | 0) + add_lord_forces(lord, ASIATIC_HORSE, info.forces.asiatic_horse | 0) + add_lord_forces(lord, MEN_AT_ARMS, info.forces.men_at_arms | 0) + add_lord_forces(lord, MILITIA, info.forces.militia | 0) + add_lord_forces(lord, SERFS, info.forces.serfs | 0) +} + +exports.setup = function (seed, scenario, options) { + game = { + seed, + scenario, + options, + log: [], + undo: [], + + active: P1, + state: 'setup_lords', + stack: [], + + turn: 0, + p1_hand: [], + p2_hand: [], + p1_plan: [], + p2_plan: [], + lords: { + locale: Array(lord_count).fill(NOWHERE), + service: Array(lord_count).fill(NEVER), + assets: Array(lord_count).fill(0), + forces: Array(lord_count).fill(0), + routed_forces: Array(lord_count).fill(0), + cards: Array(lord_count << 1).fill(NOTHING), + lieutenants: [], + moved: 0, + }, + vassals: Array(vassal_count).fill(0), + legate: NOWHERE, + veche_vp: 0, + veche_coin: 0, + conquered: [], + ravaged: [], + global_cards: [], + + who: NOBODY, + where: NOWHERE, + what: NOTHING, + levy: 0, // lordship used + count: 0, + } + + log_h1(scenario) + + switch (scenario) { + default: + case "Pleskau": + setup_pleskau() + break + case "Watland": + setup_watland() + break + case "Peipus": + setup_peipus() + break + case "Return of the Prince": + setup_return_of_the_prince() + break + case "Return of the Prince (Nicolle Variant)": + setup_return_of_the_prince_nicolle() + break + case "Crusade on Novgorod": + setup_crusade_on_novgorod() + break + case "Pleskau (Quickstart)": + setup_quickstart() + break + } + + return game +} + +function setup_pleskau() { + game.turn = 1 << 1 + game.veche_vp = 1 + muster_lord(LORD_HERMANN, LOC_DORPAT, 4) + muster_lord(LORD_KNUD_ABEL, LOC_REVAL, 3) + muster_lord(LORD_YAROSLAV, LOC_ODENPAH, 2) + muster_lord(LORD_GAVRILO, LOC_PSKOV, 4) + muster_lord(LORD_VLADISLAV, LOC_NEVA, 3) + setup_lord_on_calendar(LORD_RUDOLF, 1) + setup_lord_on_calendar(LORD_DOMASH, 1) +} + +function setup_quickstart() { + setup_pleskau() + // TODO: automated muster +} + +function setup_watland() { + game.turn = 4 << 1 + game.veche_vp = 1 + game.veche_coin = 1 + + set_add(game.conquered, LOC_IZBORSK) + set_add(game.conquered, LOC_PSKOV) + set_add(game.ravaged, LOC_PSKOV) + set_add(game.ravaged, LOC_DUBROVNO) + + muster_lord(LORD_ANDREAS, LOC_FELLIN, 7) + muster_lord(LORD_KNUD_ABEL, LOC_WESENBERG, 6) + muster_lord(LORD_YAROSLAV, LOC_PSKOV, 5) + muster_lord(LORD_DOMASH, LOC_NOVGOROD, 7) + + setup_lord_on_calendar(LORD_HEINRICH, 4) + setup_lord_on_calendar(LORD_RUDOLF, 4) + setup_lord_on_calendar(LORD_VLADISLAV, 4) + setup_lord_on_calendar(LORD_KARELIANS, 4) + setup_lord_on_calendar(LORD_ANDREY, 5) + setup_lord_on_calendar(LORD_ALEKSANDR, 7) + setup_lord_on_calendar(LORD_HERMANN, 8) +} + +states.setup_lords = { + prompt() { + view.prompt = "Setup your Lords." + let done = true + for (let lord = first_friendly_lord; lord <= last_friendly_lord; ++lord) { + if (is_lord_on_map(lord) && !get_lord_moved(lord)) { + if (data.lords[lord].assets.transport > 0) { + gen_action_lord(lord) + done = false + } + } + } + if (done) { + view.prompt += " All done." + view.actions.end_setup = 1 + } + }, + lord(lord) { + push_undo() + push_state('muster_lord_transport') + set_lord_moved(lord, 1) + game.who = lord + game.count = data.lords[lord].assets.transport + }, + end_setup() { + clear_undo() + end_setup() + }, +} + +function end_setup_lords() { + for (let lord = first_friendly_lord; lord <= last_friendly_lord; ++lord) + set_lord_moved(lord, 0) + if (game.active === P1) { + set_active_enemy() + } else { + set_active_enemy() + goto_levy_arts_of_war() + } +} + +// === LEVY: ARTS OF WAR === + +function goto_levy_arts_of_war() { + log_h1("Levy " + current_turn_name()) + game.state = 'levy_arts_of_war' + end_levy_arts_of_war() +} + +function end_levy_arts_of_war() { + goto_levy_pay() +} + +states.levy_arts_of_war = { +} + +// === LEVY: PAY === + +function goto_levy_pay() { + game.state = 'levy_pay' + end_levy_pay() +} + +function end_levy_pay() { + goto_levy_disband() +} + +states.levy_pay = { +} + +// === LEVY: DISBAND === + +function goto_levy_disband() { + game.state = 'levy_disband' + end_levy_disband() +} + +function end_levy_disband() { + goto_levy_muster() +} + +states.levy_disband = { +} + +// === LEVY: MUSTER === + +function goto_levy_muster() { + game.state = 'levy_muster' +} + +function end_levy_muster() { + for (let lord = first_friendly_lord; lord <= last_friendly_lord; ++lord) + set_lord_moved(lord, 0) + if (game.active === P1) { + set_active_enemy() + } else { + set_active_enemy() + goto_levy_call_to_arms() + } +} + +states.levy_muster = { + prompt() { + view.prompt = "Muster your Lords." + let done = true + for (let lord = first_friendly_lord; lord <= last_friendly_lord; ++lord) { + if (is_lord_at_friendly_locale(lord) && !get_lord_moved(lord)) { + gen_action_lord(lord) + done = false + } + } + if (done) { + view.prompt += " All done." + view.actions.end_muster = 1 + } + }, + lord(lord) { + push_undo() + push_state('levy_muster_lord') + game.who = lord + game.count = data.lords[lord].lordship + }, + end_muster() { + clear_undo() + end_levy_muster() + }, +} + +states.levy_muster_lord = { + prompt() { + view.prompt = `Muster ${lord_name[game.who]}.` + + if (game.count > 0) { + view.prompt += ` ${game.count} lordship left.` + + // Roll to muster Ready Lord at Seat + for (let lord = first_friendly_lord; lord <= last_friendly_lord; ++lord) { + if (lord === ALEKSANDR) + continue + if (lord === ANDREY && game.who !== ALEKSANDR) + continue + if (is_lord_ready(lord)) + // TODO: has available seat + gen_action_lord(lord) + } + + // Muster Ready Vassal Forces + for (let vassal of data.lords[game.who].vassals) { + if (is_vassal_ready(vassal)) + gen_action_vassal(vassal) + } + + // Add Transport + if (data.lords[game.who].ships) { + if (can_add_transport(game.who, SHIP)) + view.actions.ship = 1 + } + if (can_add_transport(game.who, BOAT)) + view.actions.boat = 1 + if (can_add_transport(game.who, CART)) + view.actions.cart = 1 + if (can_add_transport(game.who, SLED)) + view.actions.sled = 1 + + // Add Capability + view.actions.capability = 1 + } else { + view.prompt += " All done." + } + + view.actions.done = 1 + }, + + lord(other) { + clear_undo() + --game.count + let die = roll_die(` to muster ${lord_name[other]}`) + // TODO: roll for lord + if (die <= data.lords[other].fealty) { + logi(`Success!`) + push_state('muster_lord_at_seat') + game.who = other + } else { + logi(`Failed.`) + } + }, + + vassal(vassal) { + push_undo() + --game.count + muster_vassal(game.who, vassal) + }, + + ship() { + push_undo() + --game.count + add_lord_assets(game.who, SHIP, 1) + }, + boat() { + push_undo() + --game.count + add_lord_assets(game.who, BOAT, 1) + }, + cart() { + push_undo() + --game.count + add_lord_assets(game.who, CART, 1) + }, + sled() { + push_undo() + --game.count + add_lord_assets(game.who, SLED, 1) + }, + + capability() { + push_undo() + --game.count + push_state('muster_capability') + }, + + done() { + set_lord_moved(game.who, 1) + pop_state() + }, +} + +states.muster_lord_at_seat = { + prompt() { + view.prompt = `Select seat for ${lord_name[game.who]}.` + for (let loc of data.lords[game.who].seats) + if (is_friendly_locale(loc)) + gen_action_locale(loc) + }, + locale(loc) { + push_undo() + logi(`Mustered at %${loc}.`) + set_lord_moved(game.who, 1) + muster_lord(game.who, loc) + game.state = 'muster_lord_transport' + game.count = data.lords[game.who].assets.transport + }, +} + +states.muster_lord_transport = { + prompt() { + view.prompt = `Select Transport for ${lord_name[game.who]}.` + view.prompt += ` ${game.count} left.` + if (data.lords[game.who].ships) { + if (can_add_transport(game.who, SHIP)) + view.actions.ship = 1 + } + if (can_add_transport(game.who, BOAT)) + view.actions.boat = 1 + if (can_add_transport(game.who, CART)) + view.actions.cart = 1 + if (can_add_transport(game.who, SLED)) + view.actions.sled = 1 + view.actions.done = 0 + }, + ship() { + push_undo() + add_lord_assets(game.who, SHIP, 1) + if (--game.count === 0) + pop_state() + }, + boat() { + push_undo() + add_lord_assets(game.who, BOAT, 1) + if (--game.count === 0) + pop_state() + }, + cart() { + push_undo() + add_lord_assets(game.who, CART, 1) + if (--game.count === 0) + pop_state() + }, + sled() { + push_undo() + add_lord_assets(game.who, SLED, 1) + if (--game.count === 0) + pop_state() + }, +} + +states.muster_capability = { + prompt() { + view.prompt = `Select a new capability for ${lord_name[game.who]}.` + for_each_friendly_arts_of_war(c => { + if (!is_card_in_use(c)) { + if (!data.cards[c].lords || set_has(data.cards[c].lords, game.who)) + gen_action_arts_of_war(c) + } + }) + }, + arts_of_war(c) { + push_undo() + if (!data.cards[c].lords) { + set_add(game.global_cards, c) + } else { + if (get_lord_capability(game.who, 0) < 0) + set_lord_capability(game.who, 0, c) + else if (get_lord_capability(game.who, 1) < 0) + set_lord_capability(game.who, 1, c) + else { + game.what = c + game.state = 'muster_capability_discard' + return + } + } + pop_state() + }, +} + +// === LEVY: CALL TO ARMS === + +function goto_levy_call_to_arms() { + game.state = 'levy_call_to_arms' + end_levy_call_to_arms() +} + +function end_levy_call_to_arms() { + goto_campaign_plan() +} + +states.levy_call_to_arms = { +} + +// === CAMPAIGN === + +function goto_campaign_plan() { + game.state = 'campaign_plan' +} + +// === GAME OVER === + +function goto_game_over(result, victory) { + game.state = 'game_over' + game.active = "None" + game.result = result + game.victory = victory + log_br() + log(game.victory) + return true +} + +states.game_over = { + get inactive() { + return game.victory + }, + prompt() { + view.prompt = game.victory + } +} + +exports.resign = function (state, current) { + load_state(state) + if (game.state !== 'game_over') { + for (let opponent of exports.roles) { + if (opponent !== current) { + goto_game_over(opponent, current + " resigned.") + break + } + } + } + return game +} + +// === UNCOMMON TEMPLATE === + +function log_br() { + if (game.log.length > 0 && game.log[game.log.length-1] !== "") + game.log.push("") +} + +function log(msg) { + game.log.push(msg) +} + +function logi(msg) { + game.log.push(">" + msg) +} + +function log_h1(msg) { + log_br() + log(".h1 " + msg) + log_br() +} + +function log_h2(msg) { + log_br() + log(".h2 " + msg) + log_br() +} + +function log_h3(msg) { + log_br() + log(".h3 " + msg) + log_br() +} + +function log_h4(msg) { + log_br() + log(".h4 " + msg) +} + + +function gen_action(action, argument) { + if (!(action in view.actions)) + view.actions[action] = [] + set_add(view.actions[action], argument) +} + +function gen_action_locale(locale) { + gen_action('locale', locale) +} + +function gen_action_lord(lord) { + gen_action('lord', lord) +} + +function gen_action_service(service) { + gen_action('service', service) +} + +function gen_action_vassal(vassal) { + gen_action('vassal', vassal) +} + +function gen_action_arts_of_war(c) { + gen_action('arts_of_war', c) +} + +exports.view = function(state, current) { + game = state + view = { + log: game.log, + turn: game.turn, + lords: game.lords, + vassals: game.vassals, + legate: game.legate, + veche_vp: game.veche_vp, + veche_coin: game.veche_coin, + global_cards: game.global_cards, + conquered: game.conquered, + ravaged: game.ravaged, + who: game.who, + where: game.where, + } + if (game.state === 'game_over') { + view.prompt = game.victory + } else if (current === 'Observer' || game.active !== current) { + let inactive = states[game.state].inactive || game.state + view.prompt = `Waiting for ${game.active} \u2014 ${inactive}...` + } else { + view.actions = {} + if (states[game.state]) + states[game.state].prompt() + else + view.prompt = "Unknown state: " + game.state + if (view.actions.undo === undefined) { + if (game.undo && game.undo.length > 0) + view.actions.undo = 1 + else + view.actions.undo = 0 + } + } + return view +} + +exports.action = function (state, current, action, arg) { + load_state(state) + Object.seal(game) // XXX: don't allow adding properties + let S = states[game.state] + if (S && action in S) { + S[action](arg) + } else { + if (action === 'undo' && game.undo && game.undo.length > 0) + pop_undo() + else + throw new Error("Invalid action: " + action) + } + return game +} + +// === COMMON TEMPLATE === + +function random(range) { + // https://www.ams.org/journals/mcom/1999-68-225/S0025-5718-99-00996-5/S0025-5718-99-00996-5.pdf + return (game.seed = game.seed * 200105 % 34359738337) % range +} + +// Packed array of small numbers in one word + +function pack1_get(word, n) { + return (word >>> n) & 1 +} + +function pack4_get(word, n) { + n = n << 2 + return (word >>> n) & 15 +} + +function pack1_set(word, n, x) { + return (word & ~(1 << n)) | (x << n) +} + +function pack4_set(word, n, x) { + n = n << 2 + return (word & ~(15 << n)) | (x << n) +} + +// Sorted array treated as Set (for JSON) +function set_index(set, item) { + let a = 0 + let b = set.length - 1 + while (a <= b) { + let m = (a + b) >> 1 + let x = set[m] + if (item < x) + b = m - 1 + else if (item > x) + a = m + 1 + else + return m + } + return -1 +} + +function set_has(set, item) { + return set_index(set, item) >= 0 +} + +function set_add(set, item) { + let a = 0 + let b = set.length - 1 + while (a <= b) { + let m = (a + b) >> 1 + let x = set[m] + if (item < x) + b = m - 1 + else if (item > x) + a = m + 1 + else + return + } + set.splice(a, 0, item) +} + +function set_delete(set, item) { + let i = set_index(set, item) + if (i >= 0) + set.splice(i, 1) +} + +function set_clear(set) { + set.length = 0 +} + +function set_toggle(set, item) { + if (set_has(set, item)) + set_delete(set, item) + else + set_add(set, item) +} + +function deep_copy(original) { + if (Array.isArray(original)) { + let n = original.length + let copy = new Array(n) + for (let i = 0; i < n; ++i) { + let v = original[i] + if (typeof v === "object" && v !== null) + copy[i] = deep_copy(v) + else + copy[i] = v + } + return copy + } else { + let copy = {} + for (let i in original) { + let v = original[i] + if (typeof v === "object" && v !== null) + copy[i] = deep_copy(v) + else + copy[i] = v + } + return copy + } +} + +function push_undo() { + let copy = {} + for (let k in game) { + let v = game[k] + if (k === "undo") continue + else if (k === "log") v = v.length + else if (typeof v === "object" && v !== null) v = deep_copy(v) + copy[k] = v + } + game.undo.push(copy) +} + +function pop_undo() { + let save_log = game.log + let save_undo = game.undo + let state = save_undo.pop() + save_log.length = state.log + state.log = save_log + state.undo = save_undo + load_state(state) +} + +function clear_undo() { + game.undo.length = 0 +} |