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3DSMax supports

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NEL PLUGINS

Download NeL plugins

You can find all necessary files for Windows here: https://ryzomcore.atlassian.net/wiki/display/RC/Downloads+for+Windows

Install NeL Plugins for 3DS Max

  • Simply download the archives you need for your 3DS Max version (only x32 are supported by now and only till 2012) and paste its content:
rar content


  • just to your 3DS Max root directory.

By default the root directory is: C:\Program Files (x86)\Autodesk\3ds Max (version number)

Export your model

  • When your model is ready to be exported using NeL for the game: Simply switch to *Utilities* panel, select *More...* and in the new appeared window, choose *NeL Export* and click *OK*.
NeL_Export.JPEG
  • A new panel appeared on the right with the Nel Plugins Parameters. Make sure you have your model selected and click on Export model to export your model to the .shape file format.
NeL_Export_Model.JPEG


Export a skeleton

  • You have to select the root node of your skeleton and click on *Export skeleton* in the NeL plugins panel.

Export an animation

  • You have to select the root node of your animated skeleton and click on *Export model animations* in the NeL plugins panel.


3DSMAX SUPPORT

Material support

How to use lightmaps

  • Use a NeL material.
  • Check the box "lightmap".
  • You material MUST have a texture.
  • The object must be mapped.
  • You can map your object twice using the second mapping channel for the lightmap. (Use CopyMap)

YOU CAN:

  • Lightmap can be used with vertex color
  • Lightmap can be used with alpha test
  • The material diffuse color is used
  • The material ambiante color is used

YOU CAN'T:

  • Lightmap can't be used with alpha vertex
  • Lightmap can't be used with multitexture
  • Lightmap can't be used with specular map
  • The material specular color is not used
  • The material opacity is not used
  • The material can't be used with extended parameters transparency type (filter or additive)

How to use color vertex

  • See the sample color vertex.max
  • Use a NeL material.
  • Check the box color vertex.
  • You can edit your vertex color with vertex paint or edit mesh.

How to use alpha vertex

  • See the sample alpha vertex.max
  • Use a NeL material.
  • Check the box alpha vertex.
  • Choose the channel to use as alpha. You can edit your vertex color with vertex paint or edit mesh.
  • Then copy it with "CopyMap" in the selected channel for alpha vertex.
  • The source of the copy must be 0, the destination is the channel you have choosed in the NeL material.

How to use multitexture

How to use specular texture

See the sample "specular.max"

How to manage multiple textures set for a single material

When selecting a map, you can choose bitmap as a map type, but you can also select Nel Multi Bitmap. With a NeL multi bitmap, you can have 4 sets of maps for a single material. The 'bitmap' slot of the map isn't used anymore, it is just useful to select the currently displayed map. The 4 slots are in the 'Aditionnals bitmap' rollout. If the file name is left blank, that means that there's no map assigned for that slot. The 'Get' button allows you to choose the bitmap, and a 'View' button allows to display it


You can convert all maps in an object to 'Nel Multi Bitmap' maps by using macro script called 'ConvertMaxBitmapToNelBitmapMacroScript' It operates on the selection, and can convert materials that are either StdMat, NelMaterial, or MultiMaterial.


Once you start using Nel MultiBitmaps, you can toggle which bitmap is displayed in the viewport by using the macro scripts called SelectNelBitmapSet1..4. Sometimes you may need to refresh the display to get it work.. If a slot hasn't been defined, the first slot is taken as a default.


Note : you can also change the displayed set of texture in the object viewer, in the 'View' menu.


How to use Per-Pixel-Lighting ?

Per pixel lighting i available on GeForce 3 (and above) only for now. On other boards, gouraud shading is used instead. It is based on the blinn model. No bump is applied. Only the nearest light is rendered using p.p.l. Others are rendered using gouraud shading. (to keep single pass rendering). For now, only per instance attenuation is done.

REQUIRED: You model must have one, and only one stage of texture used (but is can use several textures) A continous mapping is needed to applied per pixel lighting techniques.

YOU CAN'T: - You can't use a mesh vertex program when this shader is used. - You can't mix shader that use a vertex program in a single model.


HOW-TO - Create a NeL Material - Select the per pixel lighting shader (with or without specular) - Apply it to your model. - Apply a mapping and a texture to your model


NeL water material

How to create nel water in Max

NeL support a form of water that can be edited in 3DS Max.

- Create a convex polygon (with z = 0 in object space) for each area of water - Apply a NeL material to this shape - Select water material

For now, full water display is only supported on GeForce 3 (though, it will run with older cards, but will look a lot less nice :( )

The following max map are used to create the water (their name may be misleading, but not all the water maps have an equivalent in max)

- Texture 1 : an environment map that is reflected by water. Basically,

 it is obtained by rendering the top hemisphere of the skydome.

- Texture 2 : May be used to set an alternate texture for the env map. - Texture 3 : the same than Texture 1, but for underwater - Texture 4 : the same than Texture 2, but for underwater - Texture 5 : here, you select a heightmap that is used to deform the envmap of the water. (the bumpmap is build from the heightmap) - Texture 6 : The same as the Texture 5, but it is used to deform the previous bumpmap (water animation) - Texture 7 : its alpha and colors are used to modulate the final color and alpha of the water

 It is then possible to blend between these 2 map for night / day transition (with the night / day dialog in the object viewer)


Texture coordinates apply only to the diffuse map. This texture may have any orientation provided this orientation is the same over the whole polygon

For the bump map, you can't specify orientation but only speed and scale (in the NeL material)

IMPORTANT: vertices between various water area should be EXACTLY welded, otherwise (big..) holes may result during the rendering.

Skinning support

  • >>> The skin must be attached to the root node of the scene.
  • >>> The root bone of the skeleton must be attached to the root node of the scene.
  • >>> Bones must not have the same name than another node in 3dsmax.
  • Support for 4 matrices by vertices max.

-> No support for standard Skin plugin

  • Skeletons supported:
* Bones
* Objects (like boxes)
* Biped
* Try other objects !

Animation support

Only those values are animated in the NeL engine:

INODE:
* Position
* Rotation
* Scale (in local basis only)
MATERIAL:
* Ambiant color
* Diffuse color
* Specular color
* Self illumination color (not with the factor but with the color)
* Opacity
  • Animated scale is supported, but only when it is done in the 'LOCAL BASIS OF THE MODEL.===

Only those controlers are fully supported:

* Linear float 
* Linear point3
* Linear rotation
* Linear scale
* Bezier float
* Bezier position
* Bezier rotation
* Bezier point3
* Bezier scale
* TCB float
* TCB position
* TCB rotation
* TCB point3
* TCB scale

'Watch out:' the Bezier color controler is not supported! Use a point3 interpolation instead.

  • Biped controlers are oversampled at export. They are compressed by a post process in build_gamedata
  • All the bezier tang mode are supported:
* Smooth
* Linear
* Step
* Fast
* Slow
* User
  • The bezier "Constant Velocity" option is *not* supported.
  • The loop modes supported in Bezier, TCB and linear are:
* Constant
* Cycle
* Loop

This loop mode must be the same before and after the range. (Same mode for IN and OUT).

Light support

  • Export those kind of lights:
* Global ambiant light
* Omni
* Spot (free or target)
* Direct (free or target)
  • Export those values from the light:
* Color
* Use diffuse
* Use specular
* Ambiant only
* Multiplier (pseudo)
* Spot Hotspot (pseudo) (directionnal hotspot is not used)
* Spot Fallof (pseudo) (directionnal fallof is not used)
* Far attenuation begin (if the begin attenuation is not 0.f, the far attenuation will be very bad)
* Far attenuation end (pseudo)
  • Support of lights
* Omni and spot light only
* Attenuation far
* Exclude mesh from light
* Cast Shadow on light and cast/receive in object properties
* Spot texture projector
* Ambient only
* Multiply factor
* Double sided
* Opacity in texture
* Stained glass in texture through NeL material
  • Additionnal features
* Vertex color
* Auto Animated light groups (Color channel with a Point3 controller)
* Lumel size defined
* Oversampling
* Multiple lightmap animatable for one mesh (up to 8)
* Colored lightmap intensity variation
  • Not supported light options:
* Directionnal light
* Attenuation near
* Scalable attenuation size
* Projector rectangle
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