CRglTF

Full-featured glTF model renderer for Cleanroom.

The status of this mod is still considered as WIP - API breaking change or deprecation might happen in the future.

Usages

The documentation for how to use with this mod is TBD, please check out the example usage for now.

The example codes for rendering Block, Item, and Entity

• https://github.com/CleanroomMC/CRglTF-Example

Features

• GLTF format
• GLB format
• UVs
• Normals
• Tangents¹
• Vertex colors²
• Materials³
• Textures
• Multiple texture coordinates³
• Animations⁴
• Rig⁵
• Morph targets⁶
• Zero-scale node culling⁷

Optimization

This mod support various optimization through 3 profiles of OpenGL availability. By default, it will automatically select for you.

Profile	Vertex Array Object (VAO)	Hardware Accelerated Skinning	Hardware Accelerated Morphing	Status	System Requirements
Full	✅	✅	✅	✅ Done	OpenGL 4.3
macOS_Legacy	✅	✅	✅	🚧 WIP	OpenGL 2.1 + Extensions
GL21_FBO	❌	❌	❌	✅ Done	OpenGL 2.1 + Framebuffer Object

Credit

• JglTF by javagl : https://github.com/javagl/JglTF
• Mikk Tangent Generator by jMonkeyEngine : https://github.com/jMonkeyEngine/jmonkeyengine

Footnotes

1. Only available for ShaderMod from OptiFine. ↩

2. Only COLOR_0 can be used, it is treated as vertex color of baseColor. ↩

3. Please see Supported glTF Material Property for more info. ↩ ↩²

4. Support every interpolation method. ↩

5. Support more than 4 bone per-vertex. ↩

6. Support every valid attribute, including COLOR_n and TEXCOORD_n. ↩

7. Support both non-skinned mesh and skinned mesh. ↩