Merge pull request #1 from lufylegend/3.2

3.2 地图遮挡和人物行走
Merge pull request #2 from lufylegend/3.3

3.3 加入多个人物以及对话实现
Merge pull request #3 from lufylegend/3.4

3.4 地图跳转
Merge pull request #4 from lufylegend/3.5

3.5 游戏背包和任务系统
Merge pull request #5 from lufylegend/master

README
Merge pull request #6 from lufylegend/3.1

3.1