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Forum:	All Forums : DOOM III
Category:	DOOM III Mapping D3 mapping and level design.
Moderators:	foyleman, Foxhound, Mystic, StrYdeR, batistablr, Welshy, DrBiggzz, supersword

Author

Topic: Same old scripting problem

drech

General Member
Since: Aug 25, 2004
Posts: 118
Last: Jul 31, 2005
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Category: DOOM III Mapping Posted: Wednesday, Sep. 22, 2004 11:09 pm
I'm getting really fed up with this, and I still can't understand why it doesn't work. I'm trying to make a rotating door script that is generic, so that it can be used by one of any doors in a map. After following a few tutorials, I've gained a fair understanding of how the scripting works, plus I've dealt with c-based scripting a lot in the past, so I'm pretty sure I'm doing it right.. I've got: door.script: void open_door( entity door ) { door.rotateTo('0 90 0'); } and a trigger_multiple entity set with *call* open_door(TheDoorIWantToOpen) where, of course, TheDoorIWantToOpen is replaced by the name of the func_mover entity I want to run the script on. I've also tried it using *call* open_door($TheDoorIWantToOpen) with the $, but still no luck. I get an error that says that "Trigger 'triggername' at (vector) calls unknown function 'open_door(TheDoorIWantToOpen)'"
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Liquefier

General Member
Since: Aug 18, 2004
Posts: 67
Last: Oct 19, 2004
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Category: DOOM III Mapping Posted: Wednesday, Sep. 22, 2004 11:42 pm
I used to get this error all the time, because I was using a scriptfile with a different name. I could never get this to work, even if I declared it in worldspawn. Try pasting the function into the mapname.script and see if you can get any further with that
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foyleman

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Since: Nov 7, 2001
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Category: DOOM III Mapping Posted: Wednesday, Sep. 22, 2004 11:45 pm
ahat about this: open_door($TheDoorIWantToOpen) Are you suppose to place that $ sign in there? Since it's not in a script and instead in the map, I think you are declaring the name and not referring to the name. Therefore, the $ should not be there. I am not sure.. just trying to help.
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drech

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Since: Aug 25, 2004
Posts: 118
Last: Jul 31, 2005
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Category: DOOM III Mapping
Posted: Thursday, Sep. 23, 2004 03:59 am

Liquefier writes...

Quote:

I used to get this error all the time, because I was using a scriptfile with a different name. I could never get this to work, even if I declared it in worldspawn. Try pasting the function into the mapname.script and see if you can get any further with that

It is in the mapname.script x_x

And I've tried it both ways, foyle. It's possible that it simply can't be done.

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JBAM

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Since: Jun 7, 2004
Posts: 86
Last: May 10, 2005
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Category: DOOM III Mapping Posted: Thursday, Sep. 23, 2004 04:45 am
So if it is saying 'open_door(TheDoorIWantToOpen)', doesn't that suggest that the problem is at the editor end of things? --> ie it is not linking this line to the line in the script. do you need spaces either side like in the script eg ( TheDoorIWantToOpen ) Maybe you need to specify the entity type in the brackets, and then put the name in that field as you've done... void open_door( func_mover ) { door.rotateTo('0 90 0'); } I DONT CODE, AND I DONT KNOW WHAT I'M TALKING ABOUT WOOT! lol just wanted to help EDIT: Should you have a $ in the script before "door.rotateTo('0 90 0'); " void open_door( func_mover ) { $door.rotateTo('0 90 0'); }
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Liquefier

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Since: Aug 18, 2004
Posts: 67
Last: Oct 19, 2004
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Category: DOOM III Mapping Posted: Thursday, Sep. 23, 2004 08:03 am
ok, I'm just going with this here, I dunno how to make it work exactly. You need to have the trigger that calls the function know the name of what entity you want triggered. Hypothetically, you should be able to give it a new value, under a new name. For Example: script_target = mydoor5 You'd type this into the trigger_relay in the game. OK. Now, you need to tell the script to look at the entity calling it. In C/C++ you would use the this pointer. I dunno if doom3 has it for scripting. If it does, the syntax would look like this: $this->script_target.rotateTo("rotation point"); I doubt that it is this simple, but I think it's along the right path. If you know the address of the entity you want to manipulate, you should be able to use it in expressions.
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foyleman

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Since: Nov 7, 2001
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Category: DOOM III Mapping Posted: Thursday, Sep. 23, 2004 11:22 am
The last time I was playing with this script question, I was setting up reporting methods rather than actual functions. If I have time this weekend I will start it up again. setup a script and use the sys.print() or similar to output to the screen. the idea it to try and trigger that... then to later trigger and have it print something that you specified in the editor. That way you know you are gettng your commands through to the script. What about your declaration that the entity exists? Is that needed? I know if you want to setup a vector variable like thispoint = '0 90 0' ; that you have to head the script with vector thispoint; That would declare to the script that thispoint is a vector coordinate value. bah.. I need time to play with it.
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Liquefier

General Member
Since: Aug 18, 2004
Posts: 67
Last: Oct 19, 2004
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Category: DOOM III Mapping Posted: Friday, Sep. 24, 2004 08:16 am
Man, this really has me stumped. The this pointer doesn't give me an error, but it doesn't seem to be the entity that is calling the script. I can't seem to find a way to determine how to get the name of the entity that is making the script call. If I could do this, I could make it work. However, I am not really versed in the syntax of doom3 scripting. I'm a C++ programmer and not really sure how the scripting engine works. I'm gonna keep trying though. Lemme know of any progress that you make. There has GOT to be a way to do it!!!!
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drech

General Member
Since: Aug 25, 2004
Posts: 118
Last: Jul 31, 2005
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Category: DOOM III Mapping Posted: Saturday, Sep. 25, 2004 11:47 pm
the real problem with that is that Doom 3 does not have a "this" object. Usually you can use "this" (in Java, possibly C++ and in other forms of code including flash) to refer to the object that called the function. Doom 3 does not have a "this," and therefore, you must know the name of the object that targets another object to use $object.getTarget()
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drech

General Member
Since: Aug 25, 2004
Posts: 118
Last: Jul 31, 2005
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Category: DOOM III Mapping
Posted: Saturday, Sep. 25, 2004 11:51 pm

JBAM writes...

Quote:

So if it is saying 'open_door(TheDoorIWantToOpen)', doesn't that suggest that the problem is at the editor end of things? --> ie it is not linking this line to the line in the script. do you need spaces either side like in the script

eg ( TheDoorIWantToOpen )

Maybe you need to specify the entity type in the brackets, and then put the name in that field as you've done...

void open_door( func_mover )
{
door.rotateTo('0 90 0');
}

I DONT CODE, AND I DONT KNOW WHAT I'M TALKING ABOUT WOOT! lol

just wanted to help

EDIT:

Should you have a $ in the script before "door.rotateTo('0 90 0'); "

void open_door( func_mover )
{
$door.rotateTo('0 90 0');
}

Thanks for your help, but nah, that won't work. You have to have a variable type in the function declaration (in the braces). You see, declaring (entity door) in the function declaration is also declaring a new variable of type entity, named "door," that will be set equal to whatever is put in the braces when that function is called. The new variable (door) can then be used throughout the function.

At least, that's the way I'm used to it working.