Revision as of 21:11, 8 January 2015

LODI (File Format)

Header

The LODI file format starts with a 0x74 byte header structure.

Offset	Size	Description
0x00	4	"LODI" File identifier, ASCII string.
0x04	4	Always 0x3EF.
0x08	4	?
0x10	4	Start of the file, always 0x00.
0x14	4	End of the file.
0x18	4	Section offset
0x1C	4	?
0x20	4	Section offset
0x24	4	?
0x28	4	Section offset
0x2C	4	?
0x30	4	Section 1 offset, always 0xC00.
0x34	4	?
0x38	4	Section 2 offset.
0x3C	4	?
0x40	4	BRRES / Textures section offset.
0x44	4	?
0x48	4	Section 3 offset.
0x4C	4	?
0x60	4	?
0x64	4	File ID?
0x68	4	Same as 0x64.
0x70	4	Same as 0x64.

Section 1

Each entry is a 0x90 byte structure as follows.

Offset	Type	Description
0x0C	float	?
0x48	vector	?
0x58	vector	?

Section 2

Each entry is a 0x? byte structure as follows.

Offset	Type	Description
0x00	?	?

Section 3

Each entry is a 0x? byte structure as follows.

Offset	Type	Description
0x00	?	?

@@ Line 83: / Line 83: @@
 | 0x00 || ? || ?
 |}
-^^^ Is this REALLY neccessary? I have never seen an article on the Wiiki with this infomation. --[[User:MichaelMichael54321|Michael]] ([[User talk:MichaelMichael54321|talk]]) 21:01, 12 November 2014 (UTC)
-----
-=Common Crash Causes=
-Sometimes when testing a Custom Track, the game will fail to load the track, causing the console to freeze, usually at a black screen. Here is a list of common problems that can cause [[Mario Kart Wii]] to crash.
-==Crashes during initial loading of your track==
-If your track doesn't load at all, here are some common causes:
-===Basic required files===
-A custom track '''requires''' these files to run:<br>
--course.kmp<br>
--course.kcl<br>
--course_model.brres<br>
--map_model.brres<br>
--vrcorn_model.brres<br>
--Any object files used in course.kmp<br>
-===KMP===
--First thing to try is to remove objects from your KMP that you won't need for your track.<br>
---Some of them require specific track slots, files, or KCL settings. If you don't need them, get rid of them.
--Your KMP has an object listed that does not exist in your SZS.<br>
---Copy the missing files from another track that has them, probably an official track. Some objects require more than just a brres!
--You used an object that requires a route, but one wasn't defined for it '''OR''' a route was defined that doesn't exist.<br>
---Check your KMP for any objects that require routes and add a route for them. If a route exists, set it in the object's settings. If not, create a new route for it, then set it in the object's settings.
--You have too many objects.<br>
---Try to reduce the number of objects to be below 200.
--An object has invalid settings.<br>
---This doesn't always cause a crash but it certainly can contribute. Look at settings from other tracks for these objects if you're not sure how to set them.
--An object has an invalid ID.<br>
---You've told the game to load something that isn't even a real object. Either remove this object, set its ID to 00, or change it to something else.
--You have an object that requires solid ground in an area where there is no solidity.<br>
---Objects like Thwomps require solid ground beneath them. Move then onto the track or remove them from your KMP.
--You have two STGI entries.<br>
---Remove one.
-===KCL===
-Check for:<br>
--Proper KCL Flags<br>
--Two-sided faces<br>
--Model being too complex for KCL<br>
--That its properly generated (You can check using Wiimm's SZS Tools)
-===Other===
--You have a brres for an object but it still doesn't load.<br>
---Make sure the brres isn't corrupted or modified. Also be sure you have anything else required by the object, like effects.<br>
----Also be sure any custom content inside the BRRES is the correct version.
--Your file size is very big.<br>
---Remove files that aren't used by the track.
--Your map model is missing required bones.<br>
---Your map_model requires bones named "posLD" and "posRU" to position the map. Without them, the game can crash.
-==Mid-race Crashes==
-These are usually a combination of problems, such as:
--Game crashes when trying to enter a cannon.<br>
---Be sure your cannon trigger in your KCL matches the Cannon ID in your KMP.
--Game crashes/lags shortly after starting, with flashing colors/geometry!<br>
---This usually happens with a corrupt BRRES, likely a corrupt CHR0 animation. Try replacing the BRRES.
--Game crashes when I touch a certain object / part of the track<br>
---This could be a lot of things, ranging from bad KCL, to missing files, to bad KMP, depending on the situation.
--Game crashes when watching intro cameras in Grand Prix or VS mode<br>
---Your CAME is setup improperly. One of your values are set to something that's impossible (or your "Next Camera" is set to a camera that doesn't exist
--Game works in Time Trials but not in VS/Grand Prix<br>
---Your "First Camera" is probably wrong.<br>
---Or, you have a corrupt object that is only set to appear in VS mode. Check your KMP.
-==Slowdown==
-Slowdown can be caused by a lot of things.
--You may have too many objects.
--Your KCL may too complex. Be sure to try your track without any character modifications as well.
--You may have textures that are too large. Large textures take up a lot of memory and can easily slow down the game.<br>
---Try not to make textures larger than 256x256 in most cases. 256x512 can be used if needed. 1024x1024 should be used sparingly.<br>
----Nintendo uses one 2048x2048 texture; the Earth in Rainbow Road.<br>
---Transparent textures can cause lag if there are a lot of them, too.
--Your track model itself might be too complex.<br>
---You can use textures to fake detail in most cases, such as bricks and details on windows.<br>
---Things in the distance do not need as much detail as things that are close. You'll never know the difference when they're that far away.
--You might have too many textures.<br>
---This isn't as likely but it's still possible. Duplicate textures should be delt with, or shrunken down to a smaller size.<br>
---SketchUp's OBJ export tool may create a lot of duplicate textures.
--Your materials have too many shader stages.<br>
---You shouldn't need 8 textures on one polygon. Try combining them into one texture, if possible.

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Revision as of 21:11, 8 January 2015

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LODI (File Format)

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Section 1

Section 2

Section 3

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