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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
  
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27th July, 2009 at 2:29:42 AM -
Okay so here I am working on another level editor that incorporates tile sets and I have run into a problem and the code seems fine, I don't understand why it wouldn't work.
When I place a tile from the active picture object, or my tileset rather, I give that array position a string for the X/Y co-ordinates of the tile in the tileset. Same method as Zephni's level editor. It will write "0 0" for the far left top corner tile, "1 0" for the next one along, and so on.
Now when I try to load it and create backdrops for the terrain, I want it to read that string, break it down and paste the corresponding tile into it's place. The problem is that it doesn't seem to break it down properly in the action, and for every terrain tile creates the tile at 0, 0 on the tileset (blank grass). First I thought .. well, obviously it's reading "0 0" in every string or something like that. And I checked it with counters, setting them to Val(Left$(current str$( "Map" ), 1)) ... and it worked properly, showing me the tileset co-ordinates. Yet when I put this same formula into the action for the active picture object to create a backdrop, it creates the same tile over and over.
There's no problem with the event, it's simple, on loading loop it checks if the current string in the editor is different to "" (nothing in it), and if it is (meaning there's something in it) it will do the action. This works fine, it's the actual action that's acting up.
Event
 On loop "yLoad"
StrAtXYZ( "Map", LoopIndex("xLoad"), LoopIndex("yLoad"), 1) <> ""
Action
 Active Picture Object: Create Backdrop Object
X co-ordinate of destination rectangle: (LoopIndex("xLoad")-1)*32
Y co-ordinate of destination rectangle: (LoopIndex("yLoad")-1)*32
 X co-ordinate of picture rectangle to paste: Val(Left$(current str$( "Map" ), 1))*32
Y co-ordinate of picture rectangle to paste: Val(Right$(current str$( "Map" ), 1))*32
Width of rectangle to paste: 32
Height of rectangle to paste: 32
No effect on collisions
Keep in mind that the strings read for tiles look like "2 1".
Therefore the formula Val(Left$(current str$( "Map" ), 1))*32 should extract one character from the left half of the string, that being 2, and then multiply it by 32, giving us 64. So it should know to take the tile from X:64 on the tileset. I know this formula WORKS because I have tested it with debug counters, having them always set to this formula for left/right/x/y, and they will produce "64" and "32".
Zephni's level editor uses the formula Val(Left$(current str$( "Array" ), 1))*16, which is what I used, only changing my Array's name (Map) and tile size (32).
Is there something I have overlooked here? It looks correct to me..
http://jthongbai.deviantart.com/
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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
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27th July, 2009 at 3:44:01 AM -
Let me just add that when I place a terrain tile, this is what I write to the array position.
Str$((X( "Tile Selected" )-X( "Tileset" ))/32)+" "+Str$((Y( "Tile Selected" )-Y( "Tileset" ))/32)
Str$(a)+" "+Str$(b)
a = the X position of the tile in relation to the frame/active picture object
b = the Y position of the tile in relation to the frame/active picture object
Resulting in .. "x y" or "0 0"
http://jthongbai.deviantart.com/
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tamtoum
Registered
5/7/2009
Points
13
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27th July, 2009 at 8:18:10 AM -
The example of Zephni is the best example I could find on the net
ARRAY+PICTURE+LAYERS+OBJECTS, But little bit obvious include in its approach ...
Good luck to you.
n/a
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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
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27th July, 2009 at 10:04:40 AM -
Yes, herein lies one of my biggest problems, I already have his tutorial and it doesn't seem to work for me 
If Zephni sees this I hope he takes a look, but there's also many other talented minds on TDC so hopefully one of those drops in and gives me a little help 
http://jthongbai.deviantart.com/
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tamtoum
Registered
5/7/2009
Points
13
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27th July, 2009 at 12:34:44 PM -
The difficulty for me to understand this example comes from too many lines of events interwoven into each other.
I have unfortunately a very small IQ ...
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maVado
Registered
6/25/2005
Points
601
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29th July, 2009 at 7:24:12 AM -
Active Picture Object: Create Backdrop Object
Width of rectangle to paste: 32
Height of rectangle to paste: 32
Why do you set the object after creating? It will not have any effect.
If I am not mistaken the correct order of event should be:
Action
X co-ordinate of destination rectangle: (LoopIndex("xLoad")-1)*32
Y co-ordinate of destination rectangle: (LoopIndex("yLoad")-1)*32
X co-ordinate of picture rectangle to paste: Val(Left$(current str$( "Map" ), 1))*32
Y co-ordinate of picture rectangle to paste: Val(Right$(current str$( "Map" ), 1))*32
Width of rectangle to paste: 32
Height of rectangle to paste: 32
No effect on collisions
Active Picture Object: Create Backdrop Object
n/a
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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
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29th July, 2009 at 7:47:15 AM -
The size of the object is not a problem, I can't actually edit that order of events because it's one single action taken by the Active Picture Object, not several actions. So this is all pre-defined before the action is carried out, it tells the APO the specifics and then it happens. I have no idea why I get this crazy bug, because with that in mind, it makes complete sense to me! Just not to MMF..
http://jthongbai.deviantart.com/
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maVado
Registered
6/25/2005
Points
601
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29th July, 2009 at 1:57:27 PM -
can you upload just that part of the file and a sample map? I have a complex level editor in my game and it works similar with tilesets and active picture but it was coded 2 years ago, I can compare and see what is different...
n/a
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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
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3rd August, 2009 at 6:20:35 AM -
Standby, I'm taking the frame out from the application so I can upload it on it's own..
Here we go.
http://files.getdropbox.com/u/1511825/mapeditor_3rdaugust_tilebug.zip
You'll need to extract it along with the default tileset.
http://jthongbai.deviantart.com/
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tamtoum
Registered
5/7/2009
Points
13
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4th August, 2009 at 10:55:24 AM -
sorry I tried to solve your problem, but without success
n/a
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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
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5th August, 2009 at 10:39:04 PM -
Thanks for taking a look anyway 
Anyone else?
Pleeeease? 
http://jthongbai.deviantart.com/
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tamtoum
Registered
5/7/2009
Points
13
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6th August, 2009 at 8:04:08 PM -
Person to help us? 
http://www.youtube.com/watch?v=Zo-9r04_R-Y
n/a
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Zephni
My other cars a Balrog
Registered
10/17/2007
Points
3919
 
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14th August, 2009 at 9:53:44 AM -
Hey guys, i think my example has cause a bit of confusion.. Because i went about it the wrong way.. There is a much simpler way of doing this.
I have just downloaded your example and will attack it right now
But im going to upload my latest example very very soon.. I really think it will help people understand level editors entirely!
dont make me divide by zero...
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Zephni
My other cars a Balrog
Registered
10/17/2007
Points
3919
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14th August, 2009 at 10:13:34 AM -
Ok ive sorted your problem...
When it pastes the tile and trys to figure out wich one to lay, this should be the x:
(Val(Left$(StrAtXYZ( "Map", LoopIndex("xLoad"), LoopIndex("yLoad"), 1), 1)))*32
and the y would be:
(Val(Right$(StrAtXYZ( "Map", LoopIndex("xLoad"), LoopIndex("yLoad"), 1), 1)))*32
The reason your didnt work was because you were looking for the "current value" of the array object... But the array didnt even know where it was.. SO, in the event where it finds the correct tile to paste, it reads its X Y from the string that is saved, and it knows which string because of the current x and y loop. the Z is "1", but thats because of the way your doing this, you seem to have layer 1 as tiles and layer 2 as objects, which is fine.
This is the MMF file: http://zephni.com/downloads/mapeditor_zephedit.mfa
dont make me divide by zero...
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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
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14th August, 2009 at 10:32:28 AM -
Wow, thank you! I greatly appreciate your help! And I think the other dude in this thread wanted to learn how to do it also, so thanks very much.
http://jthongbai.deviantart.com/
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tamtoum
Registered
5/7/2009
Points
13
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14th August, 2009 at 11:39:45 AM -
Jthongbai - Zaphni thank you very much, it's cool!
http://www.youtube.com/watch?v=WdlPjAJFIrw&feature=channel
http://www.youtube.com/watch?v=ZWhjCrPJf1k
n/a
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Zephni
My other cars a Balrog
Registered
10/17/2007
Points
3919
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14th August, 2009 at 11:45:08 AM -
thanks... and its zEphni =
dont make me divide by zero...
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tamtoum
Registered
5/7/2009
Points
13
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23rd August, 2009 at 11:18:12 AM -
In the example the object "spawn" can not work due to
small typographical error on a line "spawnr"
I seek the right command line for the better
run with 4 images (directional).
Not easy to solve for me.
Sorry for my English 
n/a
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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
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23rd August, 2009 at 12:08:20 PM -
Which example are you talking about, tamtoum?
http://jthongbai.deviantart.com/
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tamtoum
Registered
5/7/2009
Points
13
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23rd August, 2009 at 2:49:36 PM -
hello
the first as the second example
spawn on the object different from other
http://imagik.fr/view-rl/111651
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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
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24th August, 2009 at 12:05:27 AM -
Oh okay I knew that was buggy but I just needed help with the tileset in this thread (which is all cleared up!). Thanks anyway!
http://jthongbai.deviantart.com/
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tamtoum
Registered
5/7/2009
Points
13
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24th August, 2009 at 8:05:28 AM -
thank you anyway for the example
I will continue to seek
n/a
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tamtoum
Registered
5/7/2009
Points
13
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27th August, 2009 at 8:33:59 AM -
I advance slowly
- Spawn (create object)
- Spawn2 (object source)
When pressing the "Shift"
if "tile selected" above "Spawn2"
Sets the direction dir "Spawn"
> "Spawn2"-8
But I still have not found for array
 Edited by tamtoum
n/a
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jthongbai
Likes to put dots on paper
Registered
12/8/2008
Points
143
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27th August, 2009 at 9:01:11 AM -
You need to write a new string to the array so it knows when it loads what direction to face the spawn.
so when it faces --->, "spawn0" (direction 0)
and up is "spawn8"
left is "spawn16"
down is "spawn 24"
when you load, just parse the string.
on loading loop when Left$ of string = spawn and Right$ of string = 0 , set direction to 0. repeat for others.
http://jthongbai.deviantart.com/
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tamtoum
Registered
5/7/2009
Points
13
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27th August, 2009 at 10:10:10 AM -
Ha ok thank you jthongbai
I try
n/a
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tamtoum
Registered
5/7/2009
Points
13
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27th August, 2009 at 4:31:33 PM -
Thank you very much Jthongbai
http://www.youtube.com/watch?v=v0PNwh0PqF4&feature=related
n/a
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