Add Discoduel, draft Dobutsu, some code cleaning

[xogo.git] / variants / Dobutsu / class.js

diff --git a/variants/Dobutsu/class.js b/variants/Dobutsu/class.js
new file mode 100644 (file)
index 0000000..7632a17
--- /dev/null
+++ b/variants/Dobutsu/class.js
@@ -0,0 +1,100 @@
+import ChessRules from "/base_rules.js";
+
+export default class DobutsuRules extends ChessRules {
+
+  static get Options() {
+    return {};
+  }
+
+  get hasFlags() {
+    return false;
+  }
+
+  get hasEnpassant() {
+    return false;
+  }
+
+  pieces(color, x, y) {
+    const pawnShift = this.getPawnShift(color || 'w');
+    // NOTE: classs change according to playerColor (orientation)
+    const mySide = (this.playerColor == color);
+    return {
+      'c': {
+        "class": (mySide ? "" : "rev-") + "chick",
+        both: [{steps: [[pawnShift, 0]], range: 1}]
+      },
+      'h': {
+        "class": (mySide ? "" : "rev-") + "hen",
+        both: [
+          {
+            steps: [
+              [pawnShift, 1], [pawnShift, -1],
+              [0, 1], [0, -1], [1, 0], [-1, 0]
+            ],
+            range: 1
+          }
+        ]
+      },
+      'e': {
+        "class": (mySide ? "" : "rev-") + "elephant",
+        both: [{steps: [[-1, 1], [-1, -1], [1, 1], [1, -1]], range: 1}]
+      },
+      'g': {
+        "class": (mySide ? "" : "rev-") + "giraffe",
+        both: [{steps: [[0, 1], [0, -1], [1, 0], [-1, 0]], range: 1}]
+      },
+      'l': {
+        "class": (mySide ? "" : "rev-") + "lion",
+        both: [{
+          steps: [[-1, 1], [-1, -1], [1, 1], [1, -1],
+                  [0, 1], [0, -1], [1, 0], [-1, 0]],
+          range: 1
+        }]
+      }
+    };
+  }
+
+  isKing(x, y, p) {
+    if (!p)
+      p = this.getPiece(x, y);
+    return (p == 'l');
+  }
+
+  static get ReserveArray() {
+    return ['p', 'h', 'e', 'g'];
+  }
+
+  constructor(o) {
+    o.options = {crazyhouse: true, taking: true};
+    super(o);
+  }
+
+  get pawnPromotions() {
+    return ['h'];
+  }
+
+  genRandInitBaseFen() {
+    return {
+      fen: "gle/1c1/1C1/ELG",
+      o: {}
+    };
+  }
+
+  get size() {
+    return {x: 4, y: 4};
+  }
+
+  getCurrentScore(move_s) {
+    const res = super.getCurrentScore(move_s);
+    if (res != '*')
+      return res;
+    const oppCol = C.GetOppTurn(this.turn);
+    const oppLastRank = (oppCol == 'b' ? 3 : 0);
+    for (let j=0; j < this.size.y; j++) {
+      if (this.board[oppLastRank][j] == oppCol + 'l')
+        return (oppCol == 'w' ? "1-0" : "0-1");
+    }
+    return "*";
+  }
+
+};