为什么会重复创建单位

Zeo

只讲第一个，第二个原理相同，开关默认是关闭的，无需设定

//-----------------------------------------------------------------//
Conditions:
    Switch(Switch 32, Clear);
    Bring(Current Player, Exactly, 1, Unit 230, Location 34);

Actions:
    SetSwitch(Switch 32, Set);
    CreateUnitWithProperties(1, Unit 107, Location 34, Current Player, 1);
    Preserve Trigger();

//-----------------------------------------------------------------//

Conditions:
    Switch(Switch 32, Set);
    Bring(Current Player, Exactly, 0, Unit 230, Location 34);

Actions:
    SetSwitch(Switch 32, Clear);
    Preserve Trigger();
//-----------------------------------------------------------------//

判断单位是不是钻地：http://www.scrpg.net/thread-458-1-1.html