fix: immediately upload sprites when they become visible again #3087
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this still has a small delay between the sprite being marked as active again and the sprite being ticked to fix that the SpriteContents.Ticker could be stored in SpriteContents and ensureUpload() called when the sprite is marked as active (after being inactive)
contariaa
commented
Apr 21, 2025
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| Minecraft.getInstance().getTextureManager().getTexture(atlas).bind(); |
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Revisiting this, its probably problematic to change the bound texture here since we can't know at what point in the code a sprite is being marked active and it might mess up render state.
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This issue is not present with just the first commit, but as stated in the initial pr message the behaviour from just the first commit is not 100% correct since it leaves a delay between the texture becoming visible and when its reticked
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When a sprite becomes active again after skipping uploads, it won't immediately update to its correct state, instead it will only do so the next time the frame index changes.
I initially fixed this by just ensuring it will always upload the first tick after becoming active again, however that still leaves the time between being marked as active and being ticked where the texture would be wrong.
The fix for that is to ensure the upload right when the sprite is marked as active, which means we have to look up and bind the atlas texture everytime that happens. I'm unsure about the performance cost of that, if it's a problem I can revert the second commit, the first one alone is still significantly better than the current behaviour.
Closes #2514