| Commit message (Collapse) | Author | Age |
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Specify file encoding when generating shaders.
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We used to populate 7 4k textures + 1 2k texture for all users.
Now if the user has configured `bytes_per_char=1` in the Unity
panel, we just populate a single 512x512 texture containing the
first 128 ASCII characters.
This reduces texture memory usage by 99.74%, from 134.67 MB to
340 KB.
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Don't render any part of an emote with alpha < 0.5. Improves visual
clarity in the common case at the cost of generality.
* Emotes now use physically-based shading.
* Use round() to denoise shader parameters instead of floor()
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Emotes require 2 bytes per char. They're encoded into the region
[0xE000, infinity). The texture is 4k, and uses 1k vertical pixels
per emote segment, for a maximum of 32 segments.
* Reduce volume of noise indicator by 90%. Quiet is probably better.
Might want to add a volume slider idk.
* Bugfix: emotes without a transparency channel now work
* Address a couple Unity performance complaints about the shader
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Done:
* Users can add images to Fonts/Emotes/
* The basename of that image ('clueless.png' becomes 'clueless') is the
keyword to make the image show up in game.
* Fix a bug in the shader where letters on the 2nd texture and later
would have UV outside of [0.0, 1.0]
Not yet implemented:
* transcribed words are encoded using emotes mapping
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TaSTT shader now uses physically based rendering (PBR). Users can pick
smoothness, metallic, and emissive.
This implementation borrows heavily from catlikecoding.com's excellent
tutorials, which are released under MIT No Attribution (MIT-0).
https://catlikecoding.com/unity/tutorials/license/
To retain what little clarity remains in the shader, I have chosen not
to attribute the code in the source itself.
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Users can now control how many letters wide and tall the board is.
Tested at 4x48, 5x60, 10x120, and 20x240. At 20x240, Unity freezes and
does not make forward progress. Perhaps creating 4800 float parameters
isn't a truly scalable interface.
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Now it's possible to generate shaders with a custom number of rows, columns,
and bytes per character.
All edits to the shader should go through TaSTT_template.shader. To generate
a new shader from the template:
$ ./Scripts/generate_shader.py \
--bytes_per_char 2 \
--rows 1 \
--cols 12
--shader_template $(pwd)/Shaders/TaSTT_template.shader \
--shader_path $(pwd)/Shaders/TaSTT.shader
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