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mahjong.go
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/
mahjong.go
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package mahjong
import (
"math/rand"
"sort"
"strings"
"time"
)
//每种花色(条,筒)最多9种牌型,但牌是没有0点的共计 9+9
// 1-9: 条
// 11-19: 筒
// 21-29: 万
const MaxTileIndex = 29
type Mahjong []*Tile
func (m Mahjong) Len() int {
return len(m)
}
func (m Mahjong) Swap(i, j int) {
m[i], m[j] = m[j], m[i]
}
func (m Mahjong) Less(i, j int) bool {
return m[i].Id < m[j].Id
}
func (m Mahjong) String() string {
res := make([]string, len(m))
for i := range m {
res[i] = m[i].String()
}
return strings.Join(res, " ")
}
func (m Mahjong) Shuffle() {
s := rand.New(rand.NewSource(time.Now().Unix()))
for i := range m {
j := s.Intn(len(m))
m[i], m[j] = m[j], m[i]
}
}
func (m Mahjong) Sort() {
sort.Sort(m)
}
func (m Mahjong) Indexes() []int {
idx := make([]int, len(m))
for i, t := range m {
idx[i] = t.Index
}
return idx
}
func (m Mahjong) Ids() []int {
ids := make([]int, len(m))
for i, t := range m {
ids[i] = t.Id
}
return ids
}
func RemoveId(m *Mahjong, tid int) {
size := len(*m)
i := 0
for ; i < size; i++ {
if (*m)[i].Id == tid {
break
}
}
if i == size {
return
}
*m = append((*m)[:i], (*m)[i+1:]...)
}
//根据id索引创建
func FromID(ids []int) Mahjong {
mj := make(Mahjong, len(ids))
for i, idx := range ids {
mj[i] = TileFromID(idx)
}
return mj
}
func init() {
rand.Seed(time.Now().Unix())
}