How to rename .dae?

[Statyk]

Quick tips:

.dae = The model. Includes mesh and bones/joints.

.ent = Contains a model, but creates variables for said model so that it may be a working object within the world. With out a .ent, a model becomes static. (which is what you find in static_objects, obviously). Variables include animations, physics, weight, if it is an item, a leveldoor, a swingdoor, moveobject, lamp, etc. Also holds lights, billboards, and particle systems.

.dds = (Direct Draw Surface) An image filetype good for games as it supports cubemaps (skyboxes for example), and mipmaps, which are used to optimize draw distance of the image. The further you are away from the model/surface, the lower quality the image gets for performance.

.mat = Material. It holds the directory of all images to make a desired surface on a model. If the .mat is not the same name as the .dds/texture, it will cause issues. It CAN however, be a different name than the model. Material files usually hold things such as the diffuse, specular, and normal textures, and more.

.msh = Not sure what exactly this stupid thing does, but it creates automatically when a model is loaded in ModelView (MAYBE ModelEditor as well. Not sure) which leads me to believe that it is a file used to make a .dae USEABLE in HPL.
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As for your issue, do these steps if you want to keep a new name:

-- After renaming everything --
1) Delete the .mat (this will save you time later).
2) Open the .dae in Notepad(++ if you have it)
3) Press Ctrl+F and search "library_images" - no quotations
4) In the directory underneath, at the end, change the name of the .dds to what you changed it to.
5) Save and overwrite the new one.
6) Open the .dae (NOT THE .ent) in ModelView. It will generate a .mat for you automatically and it should load up.
7) Close ModelView and open ModelEditor.
8) Open the renamed .ent and go to file>import mesh.
9) Locate your renamed .dae and attach the body to the mesh.
10) Save and you're good to go!