Better comments and enums in the proto file.

[stockfish] / src / hashprobe.proto

diff --git a/src/hashprobe.proto b/src/hashprobe.proto
index 5df9b9c52945f971bdc1fd2ce53c5cfc683966d0..393553e94b46043ca75af59db3c550b82aa8ed79 100644 (file)
--- a/src/hashprobe.proto
+++ b/src/hashprobe.proto
@@ -1,15 +1,21 @@
 syntax = "proto3";
-
 message HashProbeRequest {
        string fen = 1;
 }
 message HashProbeResponse {
        bool found = 1;
-       int32 move = 2;
-       int32 value = 3;
-       int32 eval = 4;
+       int32 move = 2;  // See types.h
+       int32 value = 3;  // Dynamic eval (may be inexact, see the "bound" field)
+       int32 eval = 4;  // Static eval
        int32 depth = 5;
-       int32 bound = 6;
+
+       enum ValueBound {
+               BOUND_NONE = 0;
+               BOUND_UPPER = 1;
+               BOUND_LOWER = 2;
+               BOUND_EXACT = 3;
+       };
+       ValueBound bound = 6;
 }
 
 service HashProbe {