add block material shaders

- 'shader' property of block materials: shaders/materials/<name>.glslv, .glslf with material_vertex / material_fragment hooks and #param uniforms
- material shaders code is included into main, translucent and shadows programs through generated headers, no extra draw calls
- chunk vertex normal.w byte replaced with 'flags': bit 7 - emission flag, bits 0-6 - material shader index (vertex format size is not changed)
- doc/*/block-materials.md
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lookibed 2026-10-02 06:33:01 +03:00
parent f90750c066
commit 81489a13cf
33 changed files with 761 additions and 53 deletions

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@ -81,7 +81,7 @@ until the block is destroyed or the camera moves away a certain distance.
### Material - *material*
Defines the name of the block's material in the format `pack:material_name`, which affects the selection of block interaction sounds.
Material definitions are located in /block_materials.
Material definitions are located in /block_materials (see [block materials](block-materials.md)).
## Variants