Merge pull request #37 from Mind-Sports-Games/pla-982-add-bestemshe-in-lilafront-end

Add Bestemshe variant

Author: msomatt

src/compat.ts

@@ -79,6 +79,7 @@ export function playstrategyRules(
     | 'amazons'
     | 'oware'
     | 'togyzkumalak'
+    | 'bestemshe'
     | 'go9x9'
     | 'go13x13'
     | 'go19x19'
@@ -140,6 +141,7 @@ export function playstrategyVariants(
   | 'amazons'
   | 'oware'
   | 'togyzkumalak'
+  | 'bestemshe'
   | 'go9x9'
   | 'go13x13'
   | 'go19x19'

src/fen.ts

@@ -25,8 +25,8 @@ export const INITIAL_FEN = INITIAL_EPD + ' 0 1';
 export const EMPTY_BOARD_FEN = '8/8/8/8/8/8/8/8';
 export const EMPTY_EPD = EMPTY_BOARD_FEN + ' w - -';
 export const EMPTY_FEN = EMPTY_EPD + ' 0 1';
-export const COMMA_FEN_RULES = ['oware', 'togyzkumalak', 'backgammon', 'nackgammon'];
-export const MANCALA_FEN_VARIANT = ['oware', 'togyzkumalak'];
+export const COMMA_FEN_RULES = ['oware', 'togyzkumalak', 'bestemshe', 'backgammon', 'nackgammon'];
+export const MANCALA_FEN_VARIANT = ['oware', 'togyzkumalak', 'bestemshe'];
 
 export enum InvalidFen {
   Fen = 'ERR_FEN',
@@ -522,7 +522,7 @@ export const parseDefaultFen = (rules: Rules) => (fen: string): Result<Setup, Fe
 // ------------------------------------------------------------------------------
 // Regular fen parsing
 export const parseFen = (rules: Rules) => (fen: string): Result<Setup, FenError> => {
-  if (rules === 'oware' || rules === 'togyzkumalak') {
+  if (rules === 'oware' || rules === 'togyzkumalak' || rules === 'bestemshe') {
     return parseMancalaFen(rules)(fen);
   }
   if (rules === 'go9x9' || rules === 'go13x13' || rules === 'go19x19') {

src/types.ts

@@ -311,6 +311,7 @@ export const RULES = [
   'amazons',
   'oware',
   'togyzkumalak',
+  'bestemshe',
   'go9x9',
   'go13x13',
   'go19x19',

src/util.ts

@@ -267,6 +267,8 @@ export const dimensionsForRules = (rules: Rules): BoardDimensions => {
       return { ranks: 2, files: 6 };
     case 'togyzkumalak':
       return { ranks: 2, files: 9 };
+    case 'bestemshe':
+      return { ranks: 2, files: 5 };
     case 'go9x9':
       return { ranks: 9, files: 9 };
     case 'go13x13':

src/variant.ts

@@ -1033,6 +1033,29 @@ export class Togyzkumalak extends Chess {
   }
 }
 
+export class Bestemshe extends Chess {
+  // TODO - move into own class and have variant family
+  protected constructor() {
+    super('bestemshe');
+  }
+
+  static default(): Bestemshe {
+    return super.default();
+  }
+
+  static fromSetup(setup: Setup): Result<Bestemshe, PositionError> {
+    return super.fromSetup(setup);
+  }
+
+  clone(): Bestemshe {
+    return super.clone() as Bestemshe;
+  }
+
+  hasInsufficientMaterial(_playerIndex: PlayerIndex): boolean {
+    return false;
+  }
+}
+
 export class Go9x9 extends Chess {
   // TODO - move into own class and have variant family
   protected constructor() {
@@ -1194,6 +1217,8 @@ export function defaultPosition(rules: Rules): Position {
       return Oware.default();
     case 'togyzkumalak':
       return Togyzkumalak.default();
+    case 'bestemshe':
+      return Bestemshe.default();
     case 'go9x9':
       return Go9x9.default();
     case 'go13x13':
@@ -1257,6 +1282,8 @@ export function setupPosition(rules: Rules, setup: Setup): Result<Position, Posi
       return Oware.fromSetup(setup);
     case 'togyzkumalak':
       return Togyzkumalak.fromSetup(setup);
+    case 'bestemshe':
+      return Bestemshe.fromSetup(setup);
     case 'go9x9':
       return Go9x9.fromSetup(setup);
     case 'go13x13':