diff options
Diffstat (limited to 'rules.js')
| -rw-r--r-- | rules.js | 283 |
1 files changed, 279 insertions, 4 deletions
@@ -3,25 +3,300 @@ const FRENCH = "French" const COALITION = "Coalition" +exports.roles = [ FRENCH, COALITION ] +exports.scenarios = [ "June 16-18", "June 15-18" ] + +const map = require("./map") + var game = null var view = null var states = {} -exports.roles = [ FRENCH, COALITION ] -exports.scenarios = [ "June 16-18", "June 15-18" ] +const OPEN = 0 +const TOWN = 1 +const STREAM = 2 + +const HQ = 0 +const INF = 1 +const CAV = 2 +const DET = 3 + +const first_hq = 0 +const F_HQ_NAPOLEON = 0 +const F_HQ_NEY = 1 +const F_HQ_GROUCHY = 2 +const A_HQ_WELLINGTON = 3 +const P_HQ_BLUCHER = 4 +const last_hq = 4 + +const first_french_corps = 5 +const F_INF_CORPS_1 = 5 +const F_INF_CORPS_2 = 6 +const F_INF_CORPS_3 = 7 +const F_INF_GD = 8 +const F_CAV_GD = 9 +const F_CAV_RES = 10 +const F_INF_CORPS_4 = 11 +const F_INF_CORPS_6 = 12 +const last_french_corps = 12 + +const first_anglo_corps = 13 +const A_INF_ORANGE = 13 +const A_INF_WELLINGTON = 14 +const A_INF_HILL_2 = 15 +const A_CAV_UXBRIDGE = 16 +const A_INF_HILL_1 = 17 +const last_anglo_corps = 17 + +const first_prussian_corps = 18 +const P_INF_ZIETHEN = 18 +const P_INF_PIRCH = 19 +const P_INF_THIELMANN = 20 +const P_INF_BULOW = 21 +const P_CAV_GNEISENAU = 22 +const last_prussian_corps = 22 +const last_corps = 22 + +const first_french_detachment = 23 +const F_DET_1 = 23 +const F_DET_2 = 24 +const F_DET_GD = 25 +const F_DET_RES_CAV = 26 +const F_DET_GD_CAV = 27 +const F_DET_BATTERY = 28 +const last_french_detachment = 28 + +const first_anglo_detachment = 29 +const A_DET_PERPONCHER = 29 +const A_DET_KGL = 30 +const A_DET_FREDERICK = 31 +const A_DET_COLLAERT = 32 +const last_anglo_detachment = 32 + +const first_prussian_detachment = 33 +const P_DET_STEINMETZ = 33 +const P_DET_PIRCH = 34 +const P_DET_LUTZOW = 35 +const P_DET_SOHR = 36 +const P_DET_MARWITZ = 37 +const P_DET_SCHWERIN = 38 +const last_prussian_detachment = 38 + +const piece_count = 39 + +function is_map_hex(row, col) { + return row >= 10 && row <= 40 && col >= 0 && col <= 41 +} + +function calc_distance(a, b) { + let ac = a % 100 + let bc = b % 100 + let ay = a / 100 | 0 + let by = b / 100 | 0 + let ax = ac - (ay >> 1) + let bx = bc - (by >> 1) + let az = -ax - ay + let bz = -bx - by + return max(abs(bx-ax), abs(by-ay), abs(bz-az)) +} + +function for_each_adjacent(hex, fn) { + let row = hex / 10 | 0 + let col = hex % 10 + if (col < 41) + fn(hex + 1) + if (col > 0) + fn(hex - 1) + if (row & 1) { + if (row < 40) { + if (col < 41) + fn(hex + 101) + fn(hex + 100) + } + if (row > 10) { + fn(hex - 100) + if (col < 41) + fn(hex - 99) + } + } else { + if (row < 40) { + fn(hex + 100) + if (col > 0) + fn(hex + 99) + } + if (row > 10) { + if (col > 0) + fn(hex - 101) + fn(hex - 100) + } + } +} + +states.setup = { + prompt() { + }, +} exports.setup = function (seed, scenario, options) { - return { + game = { seed, scenario, undo: [], log: [], active: FRENCH, + pieces: new Array(piece_count).fill(0), + flip: new Array(piece_count).fill(0), state: "setup", - pieces: [], } + + game.pieces[F_HQ_NAPOLEON] = 1217 + game.pieces[F_INF_GD] = 1217 + game.pieces[F_HQ_GROUCHY] = 1621 + game.pieces[F_HQ_NEY] = 2218 + game.pieces[F_INF_CORPS_2] = 2218 + game.pieces[F_INF_CORPS_1] = 1617 + game.pieces[F_INF_CORPS_3] = 1721 + game.pieces[F_INF_CORPS_4] = 1221 + game.pieces[F_INF_CORPS_6] = 1117 + game.pieces[F_CAV_GD] = 2317 + game.pieces[F_CAV_RES] = 1822 + game.pieces[F_DET_1] = 1314 + + game.pieces[A_HQ_WELLINGTON] = 2818 + game.flip[A_HQ_WELLINGTON] = 1 // battle mode + game.pieces[A_INF_WELLINGTON] = 3715 + game.pieces[A_INF_ORANGE] = 3002 + game.pieces[A_INF_HILL_1] = 3 + game.pieces[A_CAV_UXBRIDGE] = 4 + game.pieces[A_DET_COLLAERT] = 1211 + game.pieces[A_DET_PERPONCHER] = 2618 + + game.pieces[P_HQ_BLUCHER] = 2324 + game.pieces[P_CAV_GNEISENAU] = 2324 + game.flip[P_CAV_GNEISENAU] = 1 // battle + game.pieces[P_INF_ZIETHEN] = 1922 + game.flip[P_INF_ZIETHEN] = 1 // battle + game.pieces[P_INF_PIRCH] = 1928 + game.pieces[P_INF_THIELMANN] = 1737 + game.pieces[P_INF_BULOW] = 3 + game.pieces[P_DET_LUTZOW] = 1623 + + return game } exports.view = function (state) { + view = { ...state } return state } + +exports.action = function (state, player, action, arg) { + game = state + let S = states[game.state] + if (action in S) + S[action](arg, player) + else if (action === "undo" && game.undo && game.undo.length > 0) + pop_undo() + else + throw new Error("Invalid action: " + action) + return game +} + +exports.view = function(state, player) { + game = state + + view = { ...game, prompt: null } + + if (game.state === "game_over") { + view.prompt = game.victory + } else if (player !== game.active) { + let inactive = states[game.state].inactive || game.state + view.prompt = `Waiting for ${game.active} \u2014 ${inactive}.` + } 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; +} + +exports.resign = function (state, player) { + game = state + if (game.state !== 'game_over') { + if (player === RED) + goto_game_over(BLUE, RED + " resigned.") + if (player === BLUE) + goto_game_over(RED, BLUE + " resigned.") + } + return game +} + +// === COMMON LIBRARY === + +function log(msg) { + game.log.push(msg) +} + +function clear_undo() { + game.undo.length = 0 +} + +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 = object_copy(v) + copy[k] = v + } + game.undo.push(copy) +} + +function pop_undo() { + let save_log = game.log + let save_undo = game.undo + game = save_undo.pop() + save_log.length = game.log + game.log = save_log + game.undo = save_undo +} + +function random(range) { + // An MLCG using integer arithmetic with doubles. + // https://www.ams.org/journals/mcom/1999-68-225/S0025-5718-99-00996-5/S0025-5718-99-00996-5.pdf + // m = 2**35 − 31 + return (game.seed = game.seed * 200105 % 34359738337) % range +} + +// Fast deep copy for objects without cycles +function object_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] = object_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] = object_copy(v) + else + copy[i] = v + } + return copy + } +} |