Help the hidden gate work correctly

Add spectator mode judgment

Add spectator mode

Redraw the bullets in the map

Redraw the bullet in the map

Make the character in the correct position

change the way to get cooling time

name the new character/bullet/buff

Create a new map for THUAI6 game

format the code

fix the font of progress

display the progress of classroom/chest/door

improve the keyboard control to pick/throw/use props

fix some bugs due to copy error

almost accomplish the function of client

finish the keyboard control

complete drawMap function

improve the appearance and the function of status bars

In the MessageOfStudent,TimeUntilSkillAvailable have -1 meaning null

Add playback mode

change the status bar of student and fit the  new protos

add progress number to each classroom

Remove PlayerType in MessageToServer and add keyboard control to fix machine