CMDL (Tropical Freeze): Difference between revisions
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''See [[CMDL (File Format)]] for the other revisions of this format.'' | ''See [[CMDL (File Format)]] for the other revisions of this format.'' | ||
Tropical Freeze features a new model format (necessitated by the hardware jump from Wii to Wii U) that bears little-to-no resemblance to the CMDL format of past games. There are three extensions used for models: | |||
{{research|2|There's | * '''CMDL''': Generic models | ||
* '''SMDL''': Skinned models (ie. animated characters) | |||
* '''WMDL''': World models (ie. level geometry) | |||
All three share the same basic format, with SMDL and WMDL each containing an extra data chunk at the start of the file. | |||
{{research|2|There's a lot of unknown data.}} | |||
__TOC__ | __TOC__ | ||
Line 9: | Line 15: | ||
== Format == | == Format == | ||
File layout: | |||
{| class="wikitable" | |||
! Type/Name | |||
! Notes | |||
|- | |||
| [[Form Descriptor (Tropical Freeze)|Form Descriptor]] | |||
| Form ID is <code>CMDL</code>, <code>SMDL</code>, or <code>WMDL</code>. | |||
|- | |||
| [[#Skinned Model Header|Skinned Model Header]] | |||
| '''Only present in SMDL files''' | |||
|- | |||
| [[#World Model Header|World Model Header]] | |||
| '''Only present in WMDL files''' | |||
|- | |||
| [[#Model Header|Model Header]] | |||
| | |||
|- | |||
| [[#Material Data|Material Data]] | |||
| | |||
|- | |||
| [[#Render Meshes|Render Meshes]] | |||
| | |||
|- | |||
| [[#Vertex Buffers|Vertex Buffers]] | |||
| | |||
|- | |||
| [[#Index Buffers|Index Buffers]] | |||
| | |||
|- | |||
| [[#GPU Data|GPU Data]] | |||
| | |||
|} | |||
=== Skinned Model Header === | |||
{| class="wikitable" | |||
! Offset | |||
! Type | |||
! Count | |||
! Name | |||
! Notes | |||
|- | |||
| 0x0 | |||
| [[Chunk Descriptor (Tropical Freeze)|Chunk Descriptor]] | |||
| 1 | |||
| '''SKHD Chunk Descriptor''' | |||
| Data type is <code>SKHD</code> | |||
|- | |||
| 0x18 | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown}} | |||
| | |||
|- | |||
| 0x1C | |||
| colspan=5 {{unknown|End of Skinned Model Header}} | |||
|} | |||
=== World Model Header === | |||
{| class="wikitable" | |||
! Type | |||
! Count | |||
! Name | |||
! Notes | |||
|- | |||
| [[Chunk Descriptor (Tropical Freeze)|Chunk Descriptor]] | |||
| 1 | |||
| '''WDHD Chunk Descriptor''' | |||
| Chunk ID is <code>WDHD</code> | |||
|- | |||
| u8 | |||
| 1 | |||
| {{unknown|Unknown}} | |||
| | |||
|- | |||
| [[#Render Octree|Render Octree]] | |||
| 1 | |||
| '''Render Octree''' | |||
| | |||
|- | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown AABox Count}} | |||
| | |||
|- | |||
| {{AABox}} | |||
| ''Unknown AABox Count'' | |||
| {{unknown|Unknown AABox Array}} | |||
| | |||
|- | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown Float Count}} | |||
| | |||
|- | |||
| float | |||
| ''Unknown Float Count'' | |||
| {{unknown|Unknown Float Array}} | |||
| | |||
|} | |||
==== Render Octree ==== | |||
This seems to be an updated version of the [[AROT (MREA Section)|AROT]] format seen in previous Retro games. | |||
{| class="wikitable" | |||
! Offset | |||
! Type | |||
! Count | |||
! Name | |||
! Notes | |||
|- | |||
| 0x0 | |||
| {{FourCC}} | |||
| 1 | |||
| '''Magic''' | |||
| Always <code>AROT</code> (Area Octree) | |||
|- | |||
| 0x4 | |||
| u32 | |||
| 1 | |||
| {{unknown}} | |||
| Always 1. Version number? | |||
|- | |||
| 0x8 | |||
| u32 | |||
| 1 | |||
| {{unknown}} | |||
| | |||
|- | |||
| 0xC | |||
| u32 | |||
| 1 | |||
| {{unknown}} | |||
| | |||
|- | |||
| 0x10 | |||
| u32 | |||
| 1 | |||
| {{unknown}} | |||
| | |||
|- | |||
| 0x14 | |||
| {{AABox}} | |||
| 1 | |||
| '''Octree Bounding Box''' | |||
| Bounds of the entire octree; matches the bounding box from the main model header. | |||
|- | |||
| 0x2C | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown Count A}} | |||
| | |||
|- | |||
| 0x30 | |||
| u32 | |||
| ''Unknown Count A'' | |||
| {{unknown|Unknown Array A}} | |||
| | |||
|- | |||
| {{none}} | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown Count B}} | |||
| | |||
|- | |||
| {{none}} | |||
| u8 | |||
| ''Unknown Count B'' | |||
| {{unknown|Unknown Array B}} | |||
| | |||
|- | |||
| {{none}} | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown AABox Count}} | |||
| | |||
|- | |||
| {{none}} | |||
| {{AABox}} | |||
| ''Unknown AABox Count'' | |||
| {{unknown|Unknown AABox Array}} | |||
| | |||
|} | |||
=== Model Header === | === Model Header === | ||
Line 15: | Line 206: | ||
{| class="wikitable" | {| class="wikitable" | ||
! Offset | ! Offset | ||
! | ! Type | ||
! | ! Count | ||
! Name | |||
! Notes | |||
|- | |- | ||
| 0x0 | | 0x0 | ||
| | | [[Chunk Descriptor (Tropical Freeze)|Chunk Descriptor]] | ||
| 1 | |||
| '''HEAD Chunk Descriptor''' | |||
| Chunk ID is <code>HEAD</code> | |||
|- | |- | ||
| 0x18 | | 0x18 | ||
| | | u32 | ||
| {{unknown | | 1 | ||
| {{unknown}} | |||
| | |||
|- | |- | ||
| 0x1C | | 0x1C | ||
| | | u32 | ||
| {{unknown | | 1 | ||
| {{unknown}} | |||
| | |||
|- | |- | ||
| 0x20 | | 0x20 | ||
| | | u32 | ||
| {{unknown | | 1 | ||
| {{unknown}} | |||
| | |||
|- | |- | ||
| 0x24 | | 0x24 | ||
| | | u32 | ||
| {{unknown | | 1 | ||
| {{unknown}} | |||
| | |||
|- | |- | ||
| 0x28 | | 0x28 | ||
| | | u32 | ||
| {{unknown | | 1 | ||
| {{unknown}} | |||
| | |||
|- | |- | ||
| 0x2C | | 0x2C | ||
| | | {{AABox}} | ||
| ''' | | 1 | ||
| '''Model Bounding Box''' | |||
| | |||
|- | |||
| 0x44 | |||
| u32 | |||
| 1 | |||
| '''Model Data Source Count''' | |||
| | |||
|- | |- | ||
| | | 0x48 | ||
| | | [[#Model Data Source|Model Data Source]] | ||
| ''' | | ''Model Data Source Count'' | ||
| '''Model Data Source Array''' | |||
| | |||
|} | |||
==== Model Data Source ==== | |||
{| class="wikitable" | |||
! Offset | |||
! Type | |||
! Name | |||
! Notes | |||
|- | |||
| 0x0 | |||
| u32 | |||
| '''Model Data Source Type''' | |||
| Controls the type of data present in this data source. Valid values are 0, 1, 2, or 3. | |||
|- | |||
| 0x4 | |||
| {{none}} | |||
| '''Model Data Source Data''' | |||
| Structure and size varies depending on ''Model Data Source Type''. See below. | |||
|} | |||
===== Type 0: UV Animation ===== | |||
{{todo|Needs research. The loader function doesn't reveal much because the game just loads all the data into a couple big buffers.}} | |||
===== Type 1: Wind ===== | |||
{| class="wikitable" | |||
! Type | |||
! Count | |||
! Name | |||
! Notes | |||
|- | |||
| u32 | |||
| 1 | |||
| '''Wind Set Count''' | |||
| Count of Wind Set elements in the next array. | |||
|- | |||
| [[#Wind Set|Wind Set]] | |||
| ''Wind Set Count'' | |||
| '''Wind Set Array''' | |||
| | |||
|- | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown Count}} | |||
| | |||
|- | |||
| u8 | |||
| ''Unknown Count'' | |||
| {{unknown|Unknown Data}} | |||
| | |||
|} | |||
====== Wind Set ====== | |||
{| class="wikitable" | |||
! Offset | |||
! Type | |||
! Name | |||
! Notes | |||
|- | |||
| 0x0 | |||
| {{Vector3f}} | |||
| {{unknown}} | |||
| | |||
|- | |||
| 0xC | |||
| {{Vector3f}} | |||
| {{unknown}} | |||
| | |||
|- | |||
| 0x18 | |||
| float | |||
| {{unknown}} | |||
| | |||
|- | |||
| 0x1C | |||
| colspan=3 {{unknown|End of Wind Set}} | |||
|} | |||
===== Type 2: Caustic ===== | |||
{| class="wikitable" | |||
! Type | |||
! Count | |||
! Name | |||
! Notes | |||
|- | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown Count}} | |||
| | |||
|- | |||
| u32 | |||
| ''Unknown Count'' | |||
| {{unknown|Unknown Array}} | |||
| | |||
|} | |} | ||
===== Type 3: Fur ===== | |||
{| class="wikitable" | |||
! Type | |||
! Count | |||
! Name | |||
! Notes | |||
|- | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown Count A}} | |||
| | |||
|- | |||
| float | |||
| ''Unknown Count A'' | |||
| {{unknown|Unknown Array A}} | |||
| | |||
|- | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown Count B}} | |||
| | |||
|- | |||
| float | |||
| ''Unknown Count B'' | |||
| {{unknown|Unknown Array B}} | |||
| | |||
|- | |||
| u32 | |||
| 1 | |||
| {{unknown|Unknown Count C}} | |||
| | |||
|- | |||
| float | |||
| ''Unknown Count C'' | |||
| {{unknown|Unknown Array C}} | |||
| | |||
|} | |||
=== Material Data === | === Material Data === | ||
Line 73: | Line 423: | ||
| Points to the MTRL file containing the shader for this material. | | Points to the MTRL file containing the shader for this material. | ||
|- | |- | ||
| | | {{FourCC}} | ||
| | | 1 | ||
| '''Material Type''' | | '''Material Type''' | ||
| Can be <code>PHNG</code> (Phong), <code>LAMB</code> (Lambert), <code>SURF</code> (Surface), <code>FURM</code> (Fur), or <code>REFL</code> (Reflect). <code>REFL</code> may be unused. | | Can be <code>PHNG</code> (Phong), <code>LAMB</code> (Lambert), <code>SURF</code> (Surface), <code>FURM</code> (Fur), or <code>REFL</code> (Reflect). <code>REFL</code> may be unused. | ||
Line 106: | Line 456: | ||
|- | |- | ||
| 0x0 | | 0x0 | ||
| | | {{FourCC}} | ||
| | | 1 | ||
| '''Parameter ID''' | | '''Parameter ID''' | ||
| | | | ||
Line 158: | Line 508: | ||
|- | |- | ||
| 0x0 | | 0x0 | ||
| | | {{Color4f}} | ||
| | | 1 | ||
| '''Color Value''' | | '''Color Value''' | ||
| | | | ||
|- | |- | ||
| 0x10 | | 0x10 | ||
Line 202: | Line 552: | ||
|- | |- | ||
| 0x4 | | 0x4 | ||
| | | {{Color4f}} | ||
| | | 1 | ||
| {{unknown|Unknown Color}} | | {{unknown|Unknown Color}} | ||
| | | | ||
|- | |- | ||
| 0x14 | | 0x14 | ||
| | | {{Color4f}} | ||
| | | 1 | ||
| {{unknown|Unknown Color}} | | {{unknown|Unknown Color}} | ||
| | | | ||
|- | |- | ||
| 0x24 | | 0x24 | ||
| | | {{Color4f}} | ||
| | | 1 | ||
| {{unknown|Unknown Color}} | | {{unknown|Unknown Color}} | ||
| | | | ||
Line 308: | Line 658: | ||
|} | |} | ||
=== Meshes === | === Render Meshes === | ||
The MESH section | The MESH section defines render meshes. | ||
{| class="wikitable" | {| class="wikitable" | ||
! | ! Type | ||
! | ! Count | ||
! | ! Name | ||
! Notes | |||
|- | |- | ||
| | | [[Chunk Descriptor (Tropical Freeze)|Chunk Descriptor]] | ||
| 1 | |||
| '''MESH Chunk Descriptor''' | |||
| Chunk ID is <code>MESH</code> | |||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| | | '''Render Mesh Count''' | ||
| | |||
|- | |- | ||
| | | [[#Render Mesh|Render Mesh]] | ||
| | | ''Render Mesh Count'' | ||
| '''Render Mesh Array''' | |||
| | |||
|} | |} | ||
==== Render Mesh ==== | |||
{|class="wikitable" | {| class="wikitable" | ||
! Offset | ! Offset | ||
! | ! Type | ||
! | ! Count | ||
! Name | |||
! Notes | |||
|- | |- | ||
| 0x0 | | 0x0 | ||
| | | u32 | ||
| {{unknown| | | 1 | ||
| {{unknown}} | |||
| Always 3? | |||
|- | |- | ||
| 0x4 | | 0x4 | ||
| | | u16 | ||
| '''Material | | 1 | ||
| '''Material Index''' | |||
| | |||
|- | |- | ||
| 0x6 | | 0x6 | ||
| u8 | |||
| 1 | | 1 | ||
| '''Vertex | | '''Vertex Buffer Index''' | ||
| | |||
|- | |- | ||
| 0x7 | | 0x7 | ||
| u8 | |||
| 1 | | 1 | ||
| '''Index | | '''Index Buffer Index''' | ||
| | |||
|- | |- | ||
| 0x8 | | 0x8 | ||
| | | u32 | ||
| '''Start | | 1 | ||
| '''Start Index''' | |||
| This is basically an offset into the selected index buffer. | |||
|- | |- | ||
| 0xC | | 0xC | ||
| | | u32 | ||
| '''Index | | 1 | ||
| '''Index Count''' | |||
| Number of indices for this mesh in the index buffer. | |||
|- | |- | ||
| 0x10 | | 0x10 | ||
| | | u32 | ||
| {{unknown | | 1 | ||
| {{unknown}} | |||
| | |||
|- | |- | ||
| 0x14 | | 0x14 | ||
| bool | |||
| 1 | | 1 | ||
| {{unknown | | {{unknown}} | ||
| | |||
|- | |- | ||
| 0x15 | | 0x15 | ||
| colspan= | | colspan=4 {{unknown|End of Render Mesh}} | ||
|} | |} | ||
Line 375: | Line 748: | ||
The VBUF section defines vertex buffers; each buffer can have different vertex types, with different strides and attributes. | The VBUF section defines vertex buffers; each buffer can have different vertex types, with different strides and attributes. | ||
{| class="wikitable" | {| class="wikitable" | ||
! | ! Type | ||
! | ! Count | ||
! | ! Name | ||
! Notes | |||
|- | |- | ||
| | | [[Chunk Descriptor (Tropical Freeze)|Chunk Descriptor]] | ||
| 1 | |||
| '''VBUF Chunk Descriptor''' | |||
| Chunk ID is <code>VBUF</code> | |||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| Vertex | | '''Vertex Buffer Count''' | ||
| | |||
|- | |- | ||
| | | [[#Vertex Buffer|Vertex Buffer]] | ||
| | | ''Vertex Buffer Count'' | ||
| '''Vertex Buffer Array''' | |||
| The model will contain a separate vertex buffer for every unique vertex configuration needed. | |||
|} | |} | ||
==== Vertex Buffer ==== | ==== Vertex Buffer ==== | ||
{|class="wikitable" | {| class="wikitable" | ||
! | ! Type | ||
! | ! Count | ||
! | ! Name | ||
! Notes | |||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| '''Vertex | | '''Vertex Count''' | ||
| Number of vertices in the buffer. | |||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| ''' | | '''Vertex Component Count''' | ||
| Number of components in each vertex. | |||
| | |||
|- | |- | ||
| | | [[#Vertex Component|Vertex Component]] | ||
| ''Vertex Component Count'' | |||
| '''Vertex Component Array''' | |||
| Definitions for each component in the vertex. | |||
|} | |} | ||
==== Vertex | ==== Vertex Component ==== | ||
{|class="wikitable" | {| class="wikitable" | ||
! Offset | ! Offset | ||
! | ! Type | ||
! | ! Count | ||
! Name | |||
! Notes | |||
|- | |- | ||
| 0x0 | | 0x0 | ||
| | | u32 | ||
| {{unknown | | 1 | ||
| {{unknown}} | |||
| | |||
|- | |- | ||
| 0x4 | | 0x4 | ||
| | | u32 | ||
| 1 | |||
| '''Offset''' | | '''Offset''' | ||
| Offset of this component within the vertex. | |||
|- | |- | ||
| 0x8 | | 0x8 | ||
| | | u32 | ||
| 1 | |||
| '''Stride''' | | '''Stride''' | ||
| Distance in bytes between elements of this component within the vertex buffer. (This is equivalent to the full size of a single vertex.) | |||
|- | |- | ||
| 0xC | | 0xC | ||
| | | u32 | ||
| {{unknown | | 1 | ||
| {{unknown}} | |||
| | |||
|- | |- | ||
| 0x10 | | 0x10 | ||
| | | u32 | ||
|{{unknown| | | 1 | ||
| {{unknown}} | |||
| Likely component type/format | |||
|- | |- | ||
| 0x14 | | 0x14 | ||
| colspan= | | colspan=4 {{unknown|End of Vertex Component}} | ||
|} | |} | ||
=== Index Buffers === | === Index Buffers === | ||
Just like how the VBUF section defines vertex buffers, the IBUF section defines index buffers. Each index buffer only has one value associated with it, so it's fairly simple, and you generally will only see one or two index buffers per file. | Just like how the VBUF section defines vertex buffers, the IBUF section defines index buffers. Each index buffer only has one value associated with it, so it's fairly simple, and you generally will only see one or two index buffers per file (as there's only two possible index buffer configurations). | ||
{| class="wikitable" | {| class="wikitable" | ||
! | ! Type | ||
! | ! Count | ||
! | ! Name | ||
! Notes | |||
|- | |- | ||
| | | [[Chunk Descriptor (Tropical Freeze)|Chunk Descriptor]] | ||
| 1 | |||
| '''IBUF Chunk Descriptor''' | |||
| Chunk Descriptor is <code>IBUF</code> | |||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| Index | | '''Index Buffer Count''' | ||
| | |||
|- | |- | ||
| | | [[#Index Buffer|Index Buffer]] | ||
| | | ''Index Buffer Count'' | ||
| '''Index Buffer Array''' | |||
| | |||
|} | |} | ||
Line 475: | Line 868: | ||
{| class="wikitable" | {| class="wikitable" | ||
! Offset | ! Offset | ||
! | ! Type | ||
! | ! Name | ||
! Notes | |||
|- | |- | ||
| 0x0 | | 0x0 | ||
| | | u32 | ||
| '''Format''' | | '''Format''' | ||
| 1 means unsigned short; 2 means unsigned long. | |||
|- | |- | ||
| 0x4 | | 0x4 | ||
| colspan= | | colspan=3 {{unknown|End of Index Buffer}} | ||
|} | |} | ||
Line 494: | Line 889: | ||
== PAK Metadata == | == PAK Metadata == | ||
The | The PAK metadata for the model formats contains mainly information related to the size and layout of the GPU section, and the metadata required to locate and decompress specific buffers within it. | ||
{| class="wikitable" | {| class="wikitable" | ||
! | ! Type | ||
! | ! Count | ||
! | ! Name | ||
! Notes | |||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| {{unknown| | | {{unknown}} | ||
| Always 4? | |||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| '''GPU | | '''GPU Section Offset''' | ||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| ''' | | '''Read Buffer Count''' | ||
| Number of read buffers making up the GPU section. | |||
|- | |- | ||
| | | [[#Read Buffer Info|Read Buffer Info]] | ||
| | | ''Read Buffer Count'' | ||
| ''' | | '''Read Buffer Array''' | ||
| Definitions for each read buffer. | |||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| ''' | | '''Vertex Buffer Count''' | ||
| Number of vertex buffers in the model. | |||
|- | |- | ||
| | | [[#Buffer Info|Buffer Info]] | ||
| | | ''Vertex Buffer Count'' | ||
| '''Vertex | | '''Vertex Buffer Info Array''' | ||
| Array containing all data needed to decompress each vertex buffer. | |||
|- | |- | ||
| | | u32 | ||
| | | 1 | ||
| ''' | | '''Index Buffer Count''' | ||
| | | Number of index buffers in the model. | ||
|- | |- | ||
| | | [[#Buffer Info|Buffer Info]] | ||
| ''Index Buffer Count'' | |||
| '''Index Buffer Info Array''' | |||
| Array containing all data needed to decompress each index buffer. | |||
|} | |} | ||
=== | === Read Buffer Info === | ||
For large models, the GPU section | For large models, the GPU section may be split into multiple read buffers. All offsets into the GPU section will be relative to the beginning of the chosen buffer. | ||
{| class="wikitable" | {| class="wikitable" | ||
! Offset | ! Offset | ||
! | ! Type | ||
! | ! Name | ||
! Notes | |||
|- | |- | ||
| 0x0 | | 0x0 | ||
| | | u32 | ||
| '''Size''' | | '''Size''' | ||
| Size of the buffer. | |||
|- | |- | ||
| 0x4 | | 0x4 | ||
| | | u32 | ||
| '''Offset''' | | '''Offset''' | ||
| Offset of the buffer within the GPU section. | |||
|- | |- | ||
| 0x8 | | 0x8 | ||
| colspan= | | colspan=3 {{unknown|End of Read Buffer Info}} | ||
|} | |} | ||
=== | === Buffer Info === | ||
This structure is used for both vertex and index buffers. | |||
{| class="wikitable" | {| class="wikitable" | ||
! Offset | ! Offset | ||
! | ! Type | ||
! | ! Name | ||
! Notes | |||
|- | |- | ||
| 0x0 | | 0x0 | ||
| | | u32 | ||
| ''' | | '''Read Buffer Index''' | ||
| The read buffer that this buffer is inside of. | |||
|- | |- | ||
| 0x4 | | 0x4 | ||
| | | u32 | ||
| '''Start | | '''Start Offset''' | ||
| Starting offset of this buffer, relative to the start of the chosen read buffer. | |||
|- | |- | ||
| 0x8 | | 0x8 | ||
| | | u32 | ||
| '''Compressed | | '''Compressed Size''' | ||
| Size of the compressed data. | |||
|- | |- | ||
| 0xC | | 0xC | ||
| | | u32 | ||
| '''Decompressed | | '''Decompressed Size''' | ||
| Size of the data after being decompressed. | |||
|- | |- | ||
| 0x10 | | 0x10 | ||
| colspan= | | colspan=3 {{unknown|End of Buffer Info}} | ||
|} | |} | ||
[[Category:File Formats]] | [[Category:File Formats]] | ||
[[Category:Donkey Kong Country: Tropical Freeze]] | [[Category:Donkey Kong Country: Tropical Freeze]] |