fix bug of calc_expect_crit. return too small value for no critical case.

diff --git a/src/bldg.c b/src/bldg.c
index 3e3e47d..2627d45 100644 (file)
--- a/src/bldg.c
+++ b/src/bldg.c
@@ -3116,13 +3116,16 @@ static void town_history(void)
 
 s16b calc_expect_crit(int weight, int plus, int dam, s16b meichuu, bool dokubari)
 {
-       u32b i,k, num;
+       u32b k, num;
+       int i;
        
        if(dokubari) return dam;
        
        i = weight + (meichuu * 3 + plus * 5) + (p_ptr->lev * 3);
+       if (i < 0) i = 0;
+       
        k = weight;
-       num=0;
+       num = 0;
        
        if (k < 400)                                            num += (2 * dam + 5) * (400 - k);
        if (k < 700)                                            num += (2 * dam + 10) * (MIN(700, k + 650) - MAX(400, k));