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Question About Decals

Springheel

By Springheel
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Springheel

Springheel

Posted
Posted

There isn't much info about decals on the wiki. I'd like to add dirt decals to walls, floors, etc. I know that you use patches, but do they have to be offset from the brush you want them to appear on? Say I want to make a stain on the floor with a decal. If I put the patch flush against a brush surface, won't it cause z-fighting? But if the patch is offset from the brush, won't the player 'step up' onto it? Or does the patch become nonsolid automatically when a decal is applied? And wouldn't the patch then appear to move a bit if you got down close to eye level with it?

TDM Missions:   A Score to Settle  *  A Reputation to Uphold  *  A New Job  *  A Matter of Hours

Video Series:   Springheel's Modules  *  Speedbuild Challenge  *  New Mappers Workshop  *  Building Traps

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greebo

greebo

Posted
Posted
There isn't much info about decals on the wiki. I'd like to add dirt decals to walls, floors, etc. I know that you use patches, but do they have to be offset from the brush you want them to appear on? Say I want to make a stain on the floor with a decal. If I put the patch flush against a brush surface, won't it cause z-fighting? But if the patch is offset from the brush, won't the player 'step up' onto it? Or does the patch become nonsolid automatically when a decal is applied?

Decals should be "coplanar" with the faces they're applied to (i.e. flush against a brush surface). DarkRadiant has the "Create Decal Patches" option to facilitate this step, it will create a patch for each selected face (Ctrl-Shift-LMB), which will be exactly in the same plane.

 

Decals are nonsolid, the player won't collide with them. Still, it's possible that the camera origin "sticks" through such a decal, which is what you saw in Saint Lucia at some windows (before they got fixed).

 

Decal faces won't seal against the void.

 

Decals usually won't cause z-fighting, because they're generally set up using some sort of blend filter.

 

You can look at the graveyard map for an example.

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HappyCheeze

HappyCheeze

Posted
Posted

Yeah, this would probably be good for an article.

 

Oh yeah, another thing, not that this has anything to do with decals, but people have complained about the handwriting on the readables.

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happycheeze.deviantart.com

 

Moddb

 

Gamers Outreach, a nonprofit that uses videogames to raise money for chairty.

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Springheel

Springheel

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Oh yeah, another thing, not that this has anything to do with decals, but people have complained about the handwriting on the readables.

 

You're right, that has absolutely nothing to do with decals. :huh:

TDM Missions:   A Score to Settle  *  A Reputation to Uphold  *  A New Job  *  A Matter of Hours

Video Series:   Springheel's Modules  *  Speedbuild Challenge  *  New Mappers Workshop  *  Building Traps

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greebo

greebo

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I'll just see what happens with that report and then write something about decals.

Don't hold your breath, at the moment I'm pretty busy with mod coding, so I won't have time to look into DarkRadiant for a while.

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