From c41c378761224d0abb75837b7b76d03497b6b204 Mon Sep 17 00:00:00 2001
From: Laurent Mazet <mazet@softndesign.org>
Date: Fri, 12 Jul 2024 07:50:21 +0200
Subject: [PATCH] cleaning

---
 checkers.c | 8 ++++----
 function.c | 6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/checkers.c b/checkers.c
index da3a8d6..42b4cf2 100644
--- a/checkers.c
+++ b/checkers.c
@@ -279,7 +279,7 @@ int main (int argc, char *argv[])
                     if (!testalljumps (board, xcursor, ycursor)) {
                         mode = 2;
                     }
-                } else if ((player == 1) && (!jump) && (getvalue (board, xcursor + 1, ycursor - 1) == '.')) {
+                } else if ((player == 1) && (!jump) && (isempty (board, xcursor, ycursor, 1, 0))) {
                     pushcache (cache, board, xcursor, ycursor);
                     board = copyboard (board);
                     dopetmove (board, &xcursor, &ycursor, 0);
@@ -306,7 +306,7 @@ int main (int argc, char *argv[])
                     if (!testalljumps (board, xcursor, ycursor)) {
                         mode = 2;
                     }
-                } else if ((player == 1) && (!jump) && (getvalue (board, xcursor - 1, ycursor - 1) == '.')) {
+                } else if ((player == 1) && (!jump) && (isempty (board, xcursor, ycursor, 1, 1))) {
                     pushcache (cache, board, xcursor, ycursor);
                     board = copyboard (board);
                     dopetmove (board, &xcursor, &ycursor, 1);
@@ -333,7 +333,7 @@ int main (int argc, char *argv[])
                     if (!testalljumps (board, xcursor, ycursor)) {
                         mode = 2;
                     }
-                } else if ((player == 0) && (!jump) && (getvalue (board, xcursor - 1, ycursor + 1) == '.')) {
+                } else if ((player == 0) && (!jump) && (isempty (board, xcursor, ycursor, 1, 2))) {
                     pushcache (cache, board, xcursor, ycursor);
                     board = copyboard (board);
                     dopetmove (board, &xcursor, &ycursor, 2);
@@ -360,7 +360,7 @@ int main (int argc, char *argv[])
                     if (!testalljumps (board, xcursor, ycursor)) {
                         mode = 2;
                     }
-                } else if ((player == 0) && (!jump) && (getvalue (board, xcursor + 1, ycursor + 1) == '.')) {
+                } else if ((player == 0) && (!jump) && (isempty (board, xcursor, ycursor, 1, 3))) {
                     pushcache (cache, board, xcursor, ycursor);
                     board = copyboard (board);
                     dopetmove (board, &xcursor, &ycursor, 3);
diff --git a/function.c b/function.c
index 6b6d70f..d2fd22a 100644
--- a/function.c
+++ b/function.c
@@ -386,7 +386,7 @@ int ispet (board_t *board, int xcursor, int ycursor, int id, int delta, int mode
     return (id == -1) ?
         (_testcell (board, xcursor, ycursor, '0', delta, mode) &&
         _testcell (board, xcursor, ycursor, '1', delta, mode)) :
-        _testcell (board, xcursor, ycursor, '0' + id, delta, mode);
+        _testcell (board, xcursor, ycursor, (id == 0) ? '0' : '1', delta, mode);
 }
 
 int isqueen (board_t *board, int xcursor, int ycursor, int id, int delta, int mode)
@@ -415,7 +415,7 @@ int _testjump (board_t *board, int x, int y, int delta, int mode)
         break;
     }
     if (ret) {
-        int id = getvalue (board, x, y) - '0';
+        int id = (getvalue (board, x, y) == '0') ? 0 : 1;
         ret = ispet (board, x, y, 1 - id, 1 + delta, mode) && isempty (board, x, y, 2 + delta, mode);
     }
     return ret;
@@ -442,7 +442,7 @@ int testalljumps (board_t *board, int x, int y)
 int evalmaxjumps (board_t *board, int x, int y, int id)
 {
     int maxjumps = 0;
-    if (getvalue (board, x, y) != '0' + id) {
+    if (getvalue (board, x, y) != ((id == 0) ? '1' : '0')) {
         return 0;
     }
 
-- 
2.30.2