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Forum: All Forums : Valve's Source
Category: HL2 Mapping
Half-Life 2 Single Player, Deathmath, Orange Box, etc. mapping and level design.
Moderators: foyleman, Foxhound, Mystic, StrYdeR, batistablr, Welshy, DrBiggzz, supersword
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Author Topic: Engine Error
DarkCyder
General Member
Since: Feb 13, 2007
Posts: 115
Last: Oct 15, 2014
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Level 4
Im a fan of MODSonair
Category: HL2 Mapping
Posted: Tuesday, Jan. 27, 2009 06:11 am
ok I BSP My map and it finishes.
but when I try to Play it I get an Engine Error
"MaterialSystem_Interface_t::AllocateLightmap: lightmap (516x129) too big to fit in page (512x256)"

Funny thing is I didn't adjust any lights since My last rendering???
and it worked before...

Any Ideas where to start?
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foyleman
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Since: Nov 6, 2001
Posts: 95759
Last: Oct 31, 2018
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Level 10
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Im a HOST of MODSonair
Category: HL2 Mapping
Posted: Tuesday, Jan. 27, 2009 06:55 am
The problem is that the light is being projected onto a textured surface and that lighting is taking up too much memory to complete the compile.

The resolve will take some trial and error. Since I don't have the issue here to toy with, here are some suggestions from around the web:
Quote:
I don't know the exact cause, but ive heard rumours that it can be caused by: -lightmaps not set to a legal size (power of 2) To check, select all brushes in your map and set them to a lightmapscale of 16, save to a different mapname and try to compile the map. If you still got the error, the cause lies somewhere else. -big displacements in combination with too small lightmapscale. (seems commonest) -invalid brushes -invalid displacements

Quote:
This message appears when you have an invalid value as a lightmap scale on any one face of your map. Valid sizes are in the power of 2.

The following list provides the most common values allowed:

2, 4, 8, 16, 32, 64, 128.

To fix this error, go around your map and select textures to check their lightmap scale. If you can't find it, select the entire map, go to texture application and type in "16" in the lightmap scale box, hit apply.

Quote:
You have too big displacements. The lightmap scale can be 1, 2, 4, 8, 16, 32 or 64. If it is other then that error comes. If you don't want to make the displacement smaller, then you gotta use bigger lightmap scale, it makes just poorer shadows.
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DarkCyder
General Member
Since: Feb 13, 2007
Posts: 115
Last: Oct 15, 2014
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Level 4
Im a fan of MODSonair
Category: HL2 Mapping
Posted: Wednesday, Jan. 28, 2009 09:08 am
Bingo!!!!
Right on Bro!!
Had some displacements stretched WAY too much.
now I can go replace ALL the light entities, that I took out.
lol

I'll post some vids of My maps soon.
They are based on some mysterious places.
The Great Pyramid of Giza, Area "S4", and 2
maps based on 2 old AD&D* Modules.
"White Plume Mountain" & "Expedition to Barrier Peaks"
which is quite a task. Due to some of the things that happen
in each of them.
Like a spinning/twisting tube that You can run thru. Like
in an old funhouse. I can't get it to spin with a motor.
I'll post it as a new topic later, with a pic to help explain.
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foyleman
Preferred PLUS Member
Since: Nov 6, 2001
Posts: 95759
Last: Oct 31, 2018
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Level 10
Admin
Forum Moderator
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Im a HOST of MODSonair
Category: HL2 Mapping
Posted: Wednesday, Jan. 28, 2009 09:15 am
yeah. post it up when you got it. [thumbs_up]
Go ahead... You Play I Mod : Support Modsonline by becoming a PREFERRED MEMBER today!
Have you heard the MODSonair Podcast?:
MODSonair is a weekly podcast bringing you the news from a modders perspective.
Tune in every Sunday at 12pm EST to listen LIVE.
Quake 4 Mods for Dummies - Half-Life 2 Mods for Dummies
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