From 2978116a7e4508f412eb49020ed2344dccbca52e Mon Sep 17 00:00:00 2001
From: kcwu <kcwu@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Wed, 27 Oct 2004 16:24:30 +0000
Subject: chess listing sorted by rating(conditional) and player attitute

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@2283 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 util/shmctl.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

(limited to 'util/shmctl.c')

diff --git a/util/shmctl.c b/util/shmctl.c
index 198d6e8f..493e7c35 100644
--- a/util/shmctl.c
+++ b/util/shmctl.c
@@ -270,14 +270,31 @@ static int
 cmputmpchc(const void *i, const void *j)
 {
     userinfo_t *a=(*((userinfo_t **) i)),*b=(*((userinfo_t **) j));
-    int played_a=(a->chc_win+a->chc_lose+a->chc_lose)!=0;
-    int played_b=(b->chc_win+b->chc_lose+b->chc_lose)!=0;
+    int total_a=a->chc_win+a->chc_lose+a->chc_lose;
+    int total_b=b->chc_win+b->chc_lose+b->chc_lose;
+    int played_a=(total_a!=0);
+    int played_b=(total_b!=0);
     int             type;
 
+    // NOTE: 目前 "別找我下棋" 不影響排序
+    /* 1. "找我下棋" 排最前面 */
+    if ((a->withme&WITHME_CHESS)!=(b->withme&WITHME_CHESS))
+	return (a->withme&WITHME_CHESS)?-1:1;
+#ifdef CHC_SORTBY_RATING
+    /* 2. 下超過十盤棋用等級分排序 */
+    if ((total_a>=10)!=(total_b>=10))
+	return (total_a>=10)?-1:1;
+    if (total_a>=10 && total_b>=10) {
+	if (a->chess_elo_rating!=b->chess_elo_rating)
+	    return b->chess_elo_rating-a->chess_elo_rating;
+    }
+#endif
+    /* 3. 有下過棋的在沒下過的前面 */
     if ((type = played_b - played_a))
 	return type;
     if (played_a == 0)
 	return 0;
+    /* 4. 剩下(下不超過十盤或等級分相同, 或不用等級分排序)的人以勝負和排 */
     if ((type = b->chc_win - a->chc_win))
         return type;
     if ((type = a->chc_lose - b->chc_lose))
-- 
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