From e2a3563fce0c9bd3701b3738c086e468c4cefe8b Mon Sep 17 00:00:00 2001
From: Bruno Raoult <braoult@gmail.com>
Date: Wed, 12 Jul 2023 21:32:26 +0200
Subject: [PATCH] use eval_simple() as base for eval()

---
 src/eval.c | 13 +++++++------
 src/eval.h | 11 +++++------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/eval.c b/src/eval.c
index 8ff333e..ad1f625 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -18,6 +18,7 @@
 
 #include "position.h"
 #include "eval.h"
+#include "eval-simple.h"
 
 inline eval_t eval_material(pos_t *pos, bool color)
 {
@@ -51,18 +52,18 @@ inline eval_t eval_square_control(pos_t *pos, bool color)
 
 eval_t eval(pos_t *pos)
 {
-    eval_t material[2] = {0}, control[2] = {0};
+    eval_t simple = 0, control[2] = {0};
 
     if (pos->eval != EVAL_INVALID)
         return pos->eval;
 
     /* 1) pieces value */
-    material[WHITE] = eval_material(pos, WHITE);
-    material[BLACK] = eval_material(pos, BLACK);
+    //material[WHITE] = eval_material(pos, WHITE);
+    //material[BLACK] = eval_material(pos, BLACK);
+    simple = eval_simple(pos);
 
 #   ifdef DEBUG_EVAL
-    log_f(2, "material: W:%d B:%d diff=%d\n",
-          material[WHITE], material[BLACK], material[WHITE] - material[BLACK]);
+    log_f(2, "eval_simple=%d\n", simple);
 #   endif
 
     /* 2) square control: 10 square controls diff = 1 pawn */
@@ -83,7 +84,7 @@ eval_t eval(pos_t *pos)
           (pos->mobility[WHITE] - pos->mobility[BLACK]) * 10);
 #   endif
 
-    eval_t res = material[WHITE] - material[BLACK] +
+    eval_t res = simple +
         (control[WHITE] - control[BLACK]) * 10 +
         (pos->mobility[WHITE] - pos->mobility[BLACK]) * 10;
 #   ifdef DEBUG_EVAL
diff --git a/src/eval.h b/src/eval.h
index 9b16edf..39dd577 100644
--- a/src/eval.h
+++ b/src/eval.h
@@ -19,13 +19,12 @@
 #include "chessdefs.h"
 #include "piece.h"
 
-#define EVAL_MAX       \
-    KING_VALUE     +   \
-    QUEEN_VALUE  * 9 + \
-    ROOK_VALUE   * 2 + \
-    BISHOP_VALUE * 2 + \
-    KNIGHT_VALUE * 2
+/* max pieces eval is KING_VALUE + 9*QUEEN_VALUE + 2*ROOK_VALUE + 2*BISHOP_VALUE
+ *  + 2*KNIGHT_VALUE which around 30000.
+ * We are on secure sire with -50000/+50000
+ */
 
+#define EVAL_MAX     (50000)
 #define EVAL_MIN     (-EVAL_MAX)
 #define EVAL_INVALID INT_MIN