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chronoboy
Into the past with a splash
Joined: 04 Jun 2010
Posts: 162
Location: Canada
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 Posted: Wed Oct 13, 2010 1:03 pm Post subject: Timers and map steps question |
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Say I have a timer and also use map steps to check for triggers.
If a timer is triggered and does a routine with a few waits in it, will the map steps still run when the player is moving during the timer script activation? How would one then immediately stop the timer script inside the map steps script?
I am not using any suspend player commands in any of these scripts.
Would this work:
| Code: | plotscript, timer script, begin
For, begin
Do this...
wait (1)
if (timer end trigger == 1) then (exit script)
Do that
end
end
plotscript, map steps script, begin
... some nifty if statement to catch a special trigger ...
stop timer (0)
timer end trigger := 1
end that if statement here.
end
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Also, when a timer ends, does it restart itself again, or does one need to use the set timer with a new count?
What I am thinking happens, is at every game tick, every running script get a slice of CPU to run until that script has it's wait command. Is this what happens, or am I just being hopeful?
If concurrent scripts are done, is it possible to create a thread command which starts a new script, but does not pause the current one? Or can one use set timer as a wrapper?
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Current project: Chronoboy Adventures
Website: http://www.chronoboy.com/ |
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TMC
On the Verge of Insanity
Joined: 05 Apr 2003
Posts: 3240
Location: Matakana
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| Posted: Thu Oct 14, 2010 2:57 am Post subject: |
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| Quote: | | If a timer is triggered and does a routine with a few waits in it, will the map steps still run when the player is moving during the timer script activation? |
Yes, all script triggers continue to be checked. If any scripts are triggered, they are put on top of the script stack, pausing the timer-triggered script (see below).
If you want one of these scripts to cause a script that it's paused to exit, then your script does exactly the right thing: checking a variable after a wait, because that's where the timer script will resume from.
| Quote: | | Also, when a timer ends, does it restart itself again, or does one need to use the set timer with a new count? |
Timers do not automatically restart, but they remember their settings. So to restart a timer with the same speed, trigger, string, and options you just need to set a new length/"count":
set timer (0, 10)
| Quote: | | What I am thinking happens, is at every game tick, every running script get a slice of CPU to run until that script has it's wait command. Is this what happens, or am I just being hopeful? |
I'm afraid not. Scripts stack on top of each other. Only the topmost (last triggered) script runs. Once that script waits, no other script is run. Only if it exits does some other script get a chance.
You can use the script debugger to see this in action: press F10 once or twice. The script debugger is awfully difficult to use, but I have a clean up in the works (should finish it this weekend). It has an F1 help screen though.
| Quote: | | If concurrent scripts are done, is it possible to create a thread command which starts a new script, but does not pause the current one? |
This is coming in the new script interpreter!
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"It is so great it is insanely great." |
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