f631f225
 zhangqijia
feat: 增加背包系统，以及背包...
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package models
import (
"bytes"
"fmt"
"github.com/golang/protobuf/proto"
"pro2d/common/logger"
"pro2d/pb"
"strconv"
"strings"
)
//背包系统
func (m *RoleModel) GetItemCount(key string) uint32 {
c, ok := m.Items[key]
if !ok {
c = 0
}
return c
}
func (m *RoleModel) CostItem(key string, count int32) bool {
if uint32(count) > m.GetItemCount(key) {
return false
}
return m.AddItem(key, -count)
}
func (m *RoleModel) CostItems(params BackPackItems) bool {
for k, v := range params {
if v > m.GetItemCount(k) {
return false
}
m.AddItem(k, -int32(v))
}
return true
}
func (m *RoleModel) AddItem(key string, count int32) bool {
c := m.GetItemCount(key)
num := int32(c) + count
if num > 0 {
m.Items[key] = uint32(num)
} else {
delete(m.Items, key)
}
m.SetProperty("items", m.ItemsToString(m.Items))
rsp, err := proto.Marshal(&pb.RoleUpdateItemsRsp{Items: fmt.Sprintf("%s=%d", key, num)})
if err != nil {
logger.Error(err.Error())
return true
}
m.GetConn().Send(0, uint32(pb.ProtoCode_RoleUpdateItemsRsp), rsp)
return true
}
func (m *RoleModel) AddItems(params BackPackItems) bool {
tmp := make(BackPackItems)
for k, v := range params {
c := m.GetItemCount(k)
num := c + v
if num > 0 {
m.Items[k] = num
tmp[k] = num
} else {
delete(m.Items, k)
}
}
m.SetProperty("items", m.ItemsToString(m.Items))
rsp, err := proto.Marshal(&pb.RoleUpdateItemsRsp{Items: m.ItemsToString(tmp)})
if err != nil {
logger.Error(err.Error())
return true
}
if m.GetConn() != nil {
m.GetConn().Send(0, uint32(pb.ProtoCode_RoleUpdateItemsRsp), rsp)
}
return true
}
func (m *RoleModel) ItemsToString(params BackPackItems) string {
var items bytes.Buffer
for k, v := range params {
items.WriteString(k)
items.WriteString("=")
items.WriteString(fmt.Sprintf("%d", v))
items.WriteString(" ")
}
return items.String()
}
func (m *RoleModel) StringToItems(items string) BackPackItems {
backPack := make(BackPackItems)
for _, v := range strings.Split(items, " ") {
ii := strings.Split(v, "=")
if len(ii) < 2 {
continue
}
n, err := strconv.ParseUint(ii[1], 10, 32)
if err != nil {
continue
}
backPack[ii[0]] = uint32(n)
}
return backPack
}
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