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wallyweb
PostPosted: 12 Feb 2013, 21:26 
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Joined: 27 Feb 2012, 22:45
Posts: 1880
Location: Canada
A bit of a clipping problem with the signs and it happens in both OTTD and TTDP...

Attachment:
signClip.png
signClip.png [ 12.19 KiB | Viewed 5521 times ]


It only happens with the signs on the slopes.
I think it might be with the bounding boxes, but I really don't know ... HELP!!! :help:

There are two Action2s that one can use for sprite definition:

Basic format for tiles with a single building sprite
<Sprite-number> * <Length> 0F <set-id> 00 <groundsprite> <buildingsprite> <xoffset> <yoffset> <xextent> <yextent> <zextent>

which I use for signs on a flat tile

and

Extended format using multiple combined sprites
// <Sprite-number> * <Length> 0F <set-id> <num-sprites> <groundsprite> [<buildingsprite> (<xoffset> <yoffset> <zoffset> <xextent> <yextent> <zextent>) | (<xpixeloffset> <ypixeloffset> 80)] ...

which I use for signs on sloped tiles.

Here is the code:

Code:
// Action 1 Define a set of real sprites
    9 * 4    01 0F 06 01
// Format: spritenum pcxfile xpos ypos compression ysize xsize xrel yrel
// - signs ----------------------------------------------------------------------------------
   10 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 16 16 09 47 64 -31 -16 // sign 1 3981 8D 0F
   11 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 96 16 09 47 64 -31 -16 // sign 2
// - signs on slope -------------------------------------------------------------------------
   12 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 16 16 09 47 64 -0 -24 // sign 1
   13 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 96 16 09 47 64 -0 -16 // sign 2
// - posts ----------------------------------------------------------------------------------
   14 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 176 16 09 23 64 -31 -0 // 03 - WS 3984 90 0F
   15 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 256 16 09 39 64 -31 -8 // 0C - NE 3993 99 0F
// Action 2 ---------------------------------------------------------------------------------
   16 * 17    02 0F 00  00
     8D 0F 00 00
     00 80 00 80
     00 00
     0F 0F E5
   17 * 17    02 0F 01  00
     8D 0F 00 00
     01 80 00 80
     00 00
     0F 0F E5
// -------------------------------------------------------------------------------------------
   18 * 25    02 0F 02 // 03
     02         // <num-sprites>
     90 0F 00 00   // <groundsprite>
     04 80 00 80   // [<buildingsprite>{post}
     00 00 00   // (<xoffset> <yoffset> <zoffset>
     0F 0F 0F   // <xextent> <yextent> <zextent>)
     02 80 00 80   // [<buildingsprite>{sign}
     00 00      // (<xpixeloffset> <ypixeloffset>
     80         // 80)] ...

   19 * 25    02 0F 03 // 0C
     02
     99 0F 00 00
     05 80 00 80
     00 00 00
     0F 0F 0F
     03 80 00 80
     00 00
     80

Does anybody have any insight into this?

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OzTrans
PostPosted: 13 Feb 2013, 01:38 
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Joined: 12 Mar 2012, 02:39
Posts: 469
You need to give it size .. specify <xextent> <yextent> <zextent> ... your sign should be at least 8, maybe even 16 (0x10) high.
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wallyweb
PostPosted: 13 Feb 2013, 09:28 
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Joined: 27 Feb 2012, 22:45
Posts: 1880
Location: Canada
OzTrans wrote:
You need to give it size .. specify <xextent> <yextent> <zextent> ... your sign should be at least 8, maybe even 16 (0x10) high.
Thank you. This put me on the proper track.

<xextent> <yextent> <zextent> had been specified, but my <zextent> value was incorrect.
Also, as you noted I needed to increase the size of the sprite. Positioning the sign in it's intended position over the post on the slope gave me the required overall sprite size.

Code:
// - signs on slope -------------------------------------------------------------------------
   12 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 16 80 09 47 64 -0 -0 // sign 1
   13 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 96 80 09 47 64 -0 -0 // sign 2
// - posts ----------------------------------------------------------------------------------
   14 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 176 80 09 47 64 -31 -24 // 03 - WS 3984 90 0F
   15 C:\mps\_tools\grfcodec\sprites\5_INFRA\02Signs\INFRASigns.pcx 256 80 09 55 64 -31 -24 // 0C - NE 3993 99 0F
// Action 2 ---------------------------------------------------------------------------------
   18 * 25    02 0F 02 // 03
     02         // <num-sprites>
     90 0F 00 00   // <groundsprite>
     04 80 00 80   // [<buildingsprite>{post}
     00 00 00   // (<xoffset> <yoffset> <zoffset>
     0F 0F 18   // <xextent> <yextent> <zextent>)
     02 80 00 80   // [<buildingsprite>{sign}
     00 00      // (<xpixeloffset> <ypixeloffset>
     80         // 80)] ...

   19 * 25    02 0F 03 // 0C
     02
     99 0F 00 00
     05 80 00 80
     00 00 00
     0F 0F 18
     03 80 00 80
     00 00
     80

Attachment:
INFRASigns.png
INFRASigns.png [ 2.18 KiB | Viewed 5509 times ]


This worked. Thank you.

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mb
PostPosted: 13 Feb 2013, 10:38 
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Joined: 02 Mar 2012, 12:10
Posts: 75
Why are you doing something like this still in plain nfo? :mrgreen:

regards
Michael
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wallyweb
PostPosted: 13 Feb 2013, 14:09 
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Joined: 27 Feb 2012, 22:45
Posts: 1880
Location: Canada
mb wrote:
Why are you doing something like this still in plain nfo? :mrgreen:

regards
Michael
I think it's a childhood thing. I have always had a need to (proverbially) dismantle the clock to see where the "tic-toc" comes from. The real challenge (and the fun part) is trying to put the "clock" together again. :mrgreen:

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