EvilEngine/CSN: Difference between revisions
Add JDTM, MorphTarget and other small fixes
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EnergyDrink (talk | contribs) (Add JDTM, MorphTarget and other small fixes) |
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{{AutoAssetInfobox}}
==Format: Header==▼
Because cutscenes can be quite big in size, they are loaded in chunks into RAM and therefore are
▲==Format==
▲Because cutscenes can be quite big in size, they are loaded in chunks into RAM and therefore are 0x800 bytes aligned.
===Header===▼
CSN starts with a header, which is also present in the [[CTOC]] asset (without padding bytes).
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|-
| 0x00 || u32 || '''Magic''' ||
* '''CTSN''' (Xbox/PlayStation 2
* '''NSTC''' (GameCube
|-
| 0x04 || [[AssetID]] || '''AssetID''' || AssetID of CSN.
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| 0x08 || u32 || '''NumData''' || Amount of '''xCutsceneData''' entries.
|-
| 0x0C || u32 || '''NumTime''' || Amount of '''xCutsceneTime''' entries. Last offset is end of file and not counted into this.
|-
| 0x10 || u32 || '''MaxModel''' || Largest model in bytes (+padding) in
|-
| 0x14 || u32 || '''MaxBufEven''' || Largest timechunk with an even ChunkIndex in bytes (+padding), usually the first one.
|-
| 0x18 || u32 || '''MaxBufOdd''' || Largest timechunk with an odd ChunkIndex in bytes (+padding).
|-
| 0x1C || u32 || '''HeaderSize''' || Size of header.
|-
| 0x20 || u32 || '''VisCount''' || Amount of '''
|-
| 0x24 || u32 || '''VisSize''' || Total size of all visibility entries, measured in 4-byte steps. To determine the number of entries within the 2D array (columns), divide this by '''
|-
| 0x28 || u32 || '''BreakCount''' || Amount of '''xCutsceneBreak''' entries.
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|}
====xCutsceneData[]====
If ChunkSize and FileOffset are 0, an external [[MODL]] is used within the HOP.
{| class="wikitable"
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|-
| 0x00 || u32 || '''DataType''' ||
* 1 =
* 6 = JDTM (JDeltaModel) '''(Not present in Scooby)'''
|-
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! Offset !! Type !! Variable !! Description
|-
| 0x00 || u32[] || '''TimeChunkOffs''' ||
|}
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! Offset !! Type !! Variable !! Description
|-
| 0x00 || u32[VisCount][VisSize/VisCount] || '''Visibility''' ||
|}
====xCutsceneBreak[]====
{| class="wikitable"
|-
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==
Following the header section, the subsequent content comprises Renderware clump and JDTM models.
{| class="wikitable"
|-
! Offset !! Type !! Variable !! Description
|-
| 0x00 || char[4] || Magic || "JDTM" in ASCII
|-
| 0x04 || u32 || amountTargets || Amount of JDeltaTarget entries
|-
| 0x08 || '''JDeltaTarget[amountTargets]''' || targets || Array of JDeltaTarget's
|}
{| class="wikitable"
|+ JDeltaTarget
|-
! Offset !! Type !! Variable !! Description
|-
| 0x00 || s32 || '''skipSize''' || Total size of this structure
|-
| 0x04 || s32 || '''numRuns''' || Amount of JDeltaRun entries.
|-
| 0x08 || s32 || '''numVerts''' || Amount of vertices.
|-
| 0x0C || f32 || '''scale''' ||
|-
| 0x10 || '''JDeltaRun[numRuns]''' || '''runs''' ||
|-
! colspan="4" | 00h padding bytes (16-byte boundary)
|-
| || f32[numVerts][3] or s16[numVerts][3] || Vertices || If scale is 0, this array consists of 3 float values. If scale is > 0, this array consists of 3 signed short integers (aligned to 4-byte boundary).
|}
{| class="wikitable"
|+ JDeltaRun
|-
! Offset !! Type !! Variable !! Description
|-
| 0x00 || s32 || '''VertIdx''' ||
|-
| 0x04 || s32 || '''VertCt''' ||
|}
==Format: TimeChunk==
Each timechunk has a 0x10 byte header:
{| class="wikitable"
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| 0x0C || u32 || '''ChunkIndex''' || Zero-based TimeChunk index.
|}
====xCutsceneData====
{| class="wikitable"
|-
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| 0x0C || u32 || '''FileOffset''' || Starting position of data, relative to end of this header.
|}
=====Sound=====
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| 0x10 || u32 || '''Amount''' frames
|-
| 0x14 || f32[amountFrames][2] ||
* First float: Time
* Second float: Focal length?
|-
| 0x14 + (8*
|}
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| 0x00 || char[4] || "JDTA" in ASCII
|-
| 0x04 || u32 || '''Amount''' of
|-
| 0x08 || u32 || '''Amount''' of columns in 2D array.
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| 0x0C || f32[] || '''Array''' of time floats.
|-
| 0x0C + (4*amount times) || f32[][] || '''2D-Array'''
|}
=====MorphTarget=====
{| class="wikitable"
! Offset !! Type !! Variable !! Description
|-
| 0x00 || u32 || amountFrames ||
|-
! 0x04 || xCutsceneMphFrame[] || || Aligned to 16-byte boundary
|-
| 0x00 || f32 || '''Time''' ||
|-
| 0x04 || u32 || '''Flags''' ||
|-
! colspan="4" |
|-
| colspan="4" style="text-align:center" | [[EvilEngine/MPHT|MPHT]]
|}
==AssetID List==
| |||