From 3299f09e1fae4c300a0e29050810be80b94f1ac0 Mon Sep 17 00:00:00 2001
From: nocturn9x <nocturn9x@nocturn9x.space>
Date: Tue, 16 Apr 2024 16:29:21 +0200
Subject: [PATCH] Add MoveList implementation

---
 src/Chess/moves.nim | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/Chess/moves.nim b/src/Chess/moves.nim
index bca16d4..3c7c3ed 100644
--- a/src/Chess/moves.nim
+++ b/src/Chess/moves.nim
@@ -24,6 +24,39 @@ type
         targetSquare*: Square
         flags*: uint16
 
+    MoveList* = object
+        ## A list of moves
+        data: array[218, Move]
+        len: int8
+
+
+iterator items*(self: MoveList): Move =
+    var i = 0
+    while self.len > i:
+        yield self.data[i]
+        inc(i)
+
+
+iterator pairs*(self: MoveList): tuple[i: int, move: Move] =
+    var i = 0
+    for item in self:
+        yield (i, item)
+
+
+func add*(self: var MoveList, move: Move) {.inline.} =
+    self.data[self.len] = move
+    inc(self.len)
+
+
+func contains*(self: MoveList, move: Move): bool {.inline.} =
+    for item in self:
+        if move == item:
+            return true
+    return false
+
+
+func len*(self: MoveList): int {.inline.} = self.len
+
 
 func createMove*(startSquare, targetSquare: string, flags: seq[MoveFlag] = @[]): Move =
     result = Move(startSquare: startSquare.algebraicToSquare(),