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Helixhorned (talk | contribs) m wording |
Helixhorned (talk | contribs) m make example run with vanilla EDuke32 |
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A '''return''' command is similar to '''[[break]]''' in that it stops code after the '''return''' from executing and thus can be used to exit a state early. However, a '''return''' proparates along a call chain of [[state]]s, so that when the following code snippet is run, only quote 125 ("SPAWNED LIGHTEFFECT1") is displayed. | A '''return''' command is similar to '''[[break]]''' in that it stops code after the '''return''' from executing and thus can be used to exit a state early. However, a '''return''' proparates along a call chain of [[state]]s, so that when the following code snippet is run, only quote 125 ("SPAWNED LIGHTEFFECT1") is displayed. | ||
'''definequote''' 125 SPAWNED | '''definequote''' 125 SPAWNED HEAVYHBOMB | ||
'''definequote''' 126 RAN EVENT_EGS | '''definequote''' 126 RAN EVENT_EGS | ||
'''definequote''' 127 RAN TEST STATE | '''definequote''' 127 RAN TEST STATE | ||
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'''onevent''' [[EVENT_EGS]] | '''onevent''' [[EVENT_EGS]] | ||
ifactor | ifactor HEAVYHBOMB | ||
{ | { | ||
state teststate1 ''// after teststate1's return, return from EVENT_EGS!'' | state teststate1 ''// after teststate1's return, return from EVENT_EGS!'' | ||
| Line 22: | Line 22: | ||
{ | { | ||
''// the concrete actor is irrelevant, only placeholder'' | ''// the concrete actor is irrelevant, only placeholder'' | ||
[[spawn]] | [[spawn]] HEAVYHBOMB ''// --> EVENT_EGS'' | ||
userquote 125 | userquote 125 | ||
} | } | ||
Revision as of 10:33, 23 December 2012
A return command is similar to break in that it stops code after the return from executing and thus can be used to exit a state early. However, a return proparates along a call chain of states, so that when the following code snippet is run, only quote 125 ("SPAWNED LIGHTEFFECT1") is displayed.
definequote 125 SPAWNED HEAVYHBOMB
definequote 126 RAN EVENT_EGS
definequote 127 RAN TEST STATE
state teststate1
return
userquote 127
ends
onevent EVENT_EGS
ifactor HEAVYHBOMB
{
state teststate1 // after teststate1's return, return from EVENT_EGS!
userquote 126
}
endevent
onevent EVENT_LOADACTOR
ifvare THISACTOR 0
{
// the concrete actor is irrelevant, only placeholder
spawn HEAVYHBOMB // --> EVENT_EGS
userquote 125
}
endevent
Replacing the return by a break in the above example would lead to quotes 126 and 125 being displayed (in that order) at run time.