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The aim of this tutorial is to show how to create cuddly toys based on the models of atysian animals.

Contents

Object of the month: creating and deploying cudlly toys "Atys' mobs" in game

00-tuto-peluche.png

Prerequisite for modelising only the cuddly toy:

Prerequisite for deploying the cuddly toy on a game server:


Note: it is possible to test this cuddly toy IG without having a game server through a trick which will be explained a bit further in this tutorial.

Some usefeul linkds for these prerequisites:

Step 1: choosing the model we'll use for our cuddly toy

All 3d models for Ryzom fauna are gathered in the "W:\database\stuff\tryker\agents\monsters" folder, by creature family. In this tutorial, we'll use the "Gubani" model, which is located in the "horse" ("cheval" in French) folder, to create our cuddly toy:

W:\database\stuff\tryker\agents\monsters\cheval\h12tr_mo_h12.max


01-tuto-peluche-dossiers-mobs.png

Step 2: Getting the model and creating a dedicated work folder

In 3DSMax, open the "W:\database\stuff\tryker\agents\monsters\cheval\h12tr_mo_h12.max" file.

Use the menu => "File" => "Manage" => "Asset Tracking" to check the list of the files used in this model, especially the textures. Notice this two files:


02-tuto-peluche-asset-tracking.png

The aim here is to deploy cuddly monbs for the month object. Hence, we'll create a dedicated folder for our to-be toys and respect the naming convention used by Ryzom.


So we'll create a "soft-toy" folder, in the "W:\database\stuff\generique\agents\accessories" folder. We'll save our model by renaming it under: ge_acc_teddy-gubani_01.max

For the texture, we should also copy it under "W:\database\stuff\generique\agents\_textures\accessories", but we'll do it more simply. We'll place it in the same folder as the 3d model and rename it according to the same convention: "ge_acc_teddy-gubani_01.png".


Ryzom core knwo only how to show textures with a ".tga" or ".dds" format. TGA is a raw format without compression which makes it useful for edition, but less efficient in term of memory space. DDS format is a compressed image format which, as jpeg, is destructive. It is the format used internally by Ryzom to minimize the textures' memory space. With your favorite editor, convert the ".png" image into a ".tga" one. That's the one we'll keep for edition. We'll use the NEL tool "'tga2dds'" to generate a texture image under ".dds" format for the 3d model. That's the one which well be used in 3DSMax.

 tga2dds ge_acc_teddy-gubani_01.tga

If you don't have this tool, you gan keep the ".tga" version. It will work for the IG tests. In the "soft-toy" folder, you should now have as a result:

03-tuto-peluche-dossier-soft-toy.png

Step 3: Cleaing the 3D model using 3DSMax

The monster 3D model contains a skeleton and animation tracks. This is not necessary for a toy accessory and unnecessarily overburden the final ryzom model. We will delete it.


04-tuto-peluche-animation.png

Select with the mouse the "Gubani" model. In the right panel, select the "modify" tab. You should see the mesh called "TR_MO_H12" and in the stack one modifier called "physical". We will delete

05-tuto-peluche-physique.png

Ensuite nous allons ouvrir l'écran affichant les éléments de la scene via le menu "Tools"=> "New Scene Explorer" et supprimer tous les éléments constituant le squelette du modèle pour ne garder au final que le mesh de l'animal.

Then we will open the scene explorer screen via the "Tools" menu => "New Scene Explorer" and delete all the elements constituting the skeleton of the model and keep only the animal mesh.

06-tuto-peluche-bones-01.png

Now we have only one element in our "scene": the Gubani mesh "TR_MO_H12"


07-tuto-peluche-nettoyer-modele.png


In the right panel, we will rename the mesh "ge_acc_tedy-gubani_01". This name will be used by the export "NEL" to name the generated file when exporting to "shape" NEL format.


07-tuto-peluche-nettoyer-modele-fin.png

Étape 4 : Modifier le mapping des textures du modèle

Dans cette partie, nous allons revoir la texturation du modèle 3d. A priori, il faudrait juste changer la texture de base «ju_mo_h12.png» pour pointer sur la notre «ge_acc_teddy-gubani_01.dds» (ou «.tga» à défaut) puis l'adapter comme nous le voulons visuellement. Cependant, cela va être un peu plus compliqué :

In this section, we will adapt the texturing of 3d model. In principle, we would just change the base texture "ju_mo_h12.png" to point to our "ge_acc_teddy-gubani_01.dds" texture (or the ". tga" one). However, this will be a bit more complicated:


First we open the "Material Editor" (1) screen, then we select the unique material of the scene (2) by double clicking on it. In the central viewport select the node named "Map # 1 Nel Multi Bitmap" by double clicking on it (3). In the right sidebar, a description of its properties (4) appear. The "Nel Multi Bitmap" allow to specify 8 different images. It is not multi-texturing, but the ability to configure multiple texture images. Only one is applied at a given moment on the model. This is used for the mobs to specify one texture for each ecosystem. This is also used by and environmental objects to specify a different texture for each season.


08-tuto-peluche-texture.png

The ID 1 slot is used for textures of Tryker ecosystem, the second solt (ID 2) for the Fyros ecosystem Fyros. The third slot (ID 3) for Zoraï ecosystem and the fourth one (ID 4) for the Primes Root ecosystem. Do not look for Matis slot. As good aesthetes, they understood that beauty lay in the Zorai nature and therefore use Zoraï textures for all their animals. Note that here the Gubani is being ponly resent in jungle primes root. Only slots 3 and 4 are used

The same system is also used for other IG objects, such as buildings. In this case, the 4 slots correspond to the four seasons. Thus we can note the presence of snow on some Zoraï buildings in winter.

09-tuto-peluche-multi-texture.png

We will not use this mechanism. We will therefore deleted the "NEL Multi Bitmap" and replace it with a simple "Bitmap" by dragging the mouse from the output of "1 tTexture 1" as shown in the above image. When release the mouse, a menu appears (2), select "Bitmap" entry:

10-tuto-peluche-bitmap.png

Then select our texture "W:\database\stuff\generic\agents\ _textures\accessories\ oft-toyge_acc_teddy gubani_01.dds" (or ".tga").


11-tuto-peluche-bitmap.png

Repeat the operation on the other "Nel Multi Bitmap" which reference the same image.


Étape 5 : Scaling the model

Our 3d model is almost ready. However, its size does not match what expected. If you use the 3dsmax measuring tool you will see that the Gubani is 2m high. The simplest way to put it in the right size is to load a Homin model to have visual comparison and ensure that the teddybear can be taken in hand.

So we will temporarily put in our scene a reference to another 3d model via the File menu (1) => References (2) => Xref Scene (3) and then clicking on the Add button (4) :

15-tuto-peluche-xref.png


Select the Homin model "W:\database\stuff\generic\agents\actors\male\ge_hom_armor02.max" which should appear in your 3d scene.


15-tuto-peluche-xref-02.png

Scale the Gubani modeland move via tools "Scale" and "Move" from the popup menu that appears when you click the model with the right mouse button.

16-tuto-peluche-echelle.png

Once at the right scale, remove the reference to the homin model through the File menu => References => Xref Scene.


Reposition the Gubani model at the scene origin (x = 0, y = 0, z = 0), because when the object is carried the position (0,0,0) is located in the hand.


Sources

http://khaganat.net/wikhan/fr:peluche




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