From 1789c25dac31f5266a829d6e15f974a5b8ae0c59 Mon Sep 17 00:00:00 2001
From: Calcitem <calcitem@outlook.com>
Date: Sun, 20 Oct 2019 03:14:20 +0800
Subject: [PATCH] =?UTF-8?q?ids:=20=E5=9B=A0=E4=B8=BA=E6=9D=80=E6=A3=8B?=
 =?UTF-8?q?=E6=8E=A2=E6=9F=A5=E5=BC=82=E5=B8=B8=E6=95=85=E7=A6=81=E7=94=A8?=
 =?UTF-8?q?=E7=AA=97=E5=8F=A3?=
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---
 include/config.h  | 1 +
 src/ai/search.cpp | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/include/config.h b/include/config.h
index f1e3349d..56b7b4bf 100644
--- a/include/config.h
+++ b/include/config.h
@@ -61,6 +61,7 @@
 //#define DEAL_WITH_HORIZON_EFFECT
 
 #define IDS_SUPPORT
+//#define IDS_WINDOW
 #define IDS_DEBUG
 //#define IDS_ADD_VALUE
 
diff --git a/src/ai/search.cpp b/src/ai/search.cpp
index 9ceb55b2..e60d912a 100644
--- a/src/ai/search.cpp
+++ b/src/ai/search.cpp
@@ -500,8 +500,10 @@ int AIAlgorithm::search(depth_t depth)
         }
 #endif
 
+#ifdef IDS_WINDOW
         alpha = value - VALUE_IDS_WINDOW;
         beta = value + VALUE_IDS_WINDOW;
+#endif // IDS_WINDOW
     }
 
 #ifdef TIME_STAT
@@ -517,9 +519,14 @@ int AIAlgorithm::search(depth_t depth)
 #endif
 
 #ifdef IDS_SUPPORT
+#ifdef IDS_WINDOW
     value_t window = game.getPhase() == PHASE_PLACING ? VALUE_PLACING_WINDOW : VALUE_MOVING_WINDOW;
     alpha = value - window;
     beta = value + window;
+#else
+    alpha = -VALUE_INFINITE;
+    beta = VALUE_INFINITE;
+#endif // IDS_WINDOW
 #endif // IDS_SUPPORT
 
     value = search(d, alpha, beta, root);