From eccd8efdbac02b8113e9e90eff2aaa55d42bd94f Mon Sep 17 00:00:00 2001
From: k <markers711@gmail.com>
Date: Fri, 26 Sep 2025 13:32:22 -0400
Subject: [PATCH] playMoves now in zig

---
 headers/eval.h |  2 +-
 src/main.zig   | 18 ++++++++++++------
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/headers/eval.h b/headers/eval.h
index 3558b80..69c4c1c 100644
--- a/headers/eval.h
+++ b/headers/eval.h
@@ -1,5 +1,5 @@
 #ifndef EVAL_H
 #define EVAL_H
-move *findBest(move* move, size_t size, game* g);
+move *findBest(move* move, long long size, game* g);
 void makeMove(game *g, move* m);
 #endif
diff --git a/src/main.zig b/src/main.zig
index a6b00a8..7733d9c 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -3,6 +3,7 @@ const c = @cImport({
     @cInclude("main.h");
     @cInclude("types.h");
     @cInclude("help.h");
+    @cInclude("eval.h");
 });
 
 const uciTag = enum {
@@ -101,12 +102,17 @@ fn fenGame(str: []const u8, alloc: std.mem.Allocator) [*c]c.game {
 }
 
 fn playMoves(game: [*c]c.game, str: []const u8) [*c]c.game {
-    var buffer: [2560]u8 = undefined; //this is bad
-    const len = @min(str.len, buffer.len - 1);
-    @memcpy(buffer[0..len], str[0..len]);
-    buffer[len] = 0;
-
-    return c.playMoves(game, &buffer);
+    if (str.len < 4) return game;
+    var splitItr = std.mem.splitSequence(u8, str, " ");
+    while (splitItr.next()) |moveString| {
+        var move: c.move = .{ .To = 0, .From = 0, .Promo = 0 };
+        if (moveString.len < 4) continue;
+        move.From = (moveString[0] - 'a') + (moveString[1] - '1');
+        move.To = (moveString[2] - 'a') + (moveString[3] - '1');
+        move.Promo = if (moveString.len == 5) moveString[4] else 0;
+        c.makeMove(game, &move);
+    }
+    return game;
 }
 
 fn uciGo(game: *c.game) []const u8 {