Merge branch 'develop' of git.pogorockgames.com:mango-games/server/game into develop

gamesrv/base/scene.go

@@ -2150,8 +2150,15 @@ func (this *Scene) TryBillExGameDrop(p *Player) {
 					if drop.MaxAmount > drop.MinAmount {
 						num = rand.Int31n(drop.MaxAmount-drop.MinAmount+1) + drop.MinAmount
 					}
+					oldNum := num
 					a := math.Max(float64(p.MoneyTotal), 50) * 10.0 / math.Max(float64(p.VCardCost), 500.0)
 					num = int32(float64(num) * math.Min(a, 1.5))
+					if num == 0 {
+						// 50%概率给oldNum
+						if rand.Int31n(100) < 50 {
+							num = oldNum
+						}
+					}
 					p.Items[drop.ItemId] += int64(num)
 					realDrop[drop.ItemId] = num
 				}