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mirror of https://github.com/brues-code/TwitchEmotes.git synced 2026-10-19 20:10:50 +00:00
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Slow catJAM to its source speed, emit integer texcoords

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The source emote is 158 frames at 25fps, a 6.32s loop; this sheet holds 60
of those frames but kept a framerate of 15, running the loop in 4.0s.

A fractional rate would have matched it exactly, but the engine splits the
|T payload on ':' and atoi's each field, so a coordinate carrying a decimal
point truncates and crops the wrong rect - the emote renders as the whole
sheet squeezed into its box. The animator now formats the payload with %d
so the frame math can never leak a float into it, and the rate stays a
whole number: 10fps, a 6.0s loop.
This commit is contained in:
Brues
2026-09-03 14:54:07 -05:00
parent c08c89ebb9
commit 879ab2918c
2 changed files with 7 additions and 4 deletions
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TwitchEmotesAnimator.lua
+6 -3
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@@ -40,11 +40,14 @@ local function CropToCurrentFrame(tex, animdata)
top / animdata.imageHeight, bottom / animdata.imageHeight)
end
-- The engine splits the payload on ':' and atoi's each field, so a coordinate
-- carrying a decimal point silently truncates and crops the wrong rect (a
-- fractional framerate is enough to leak one in). Format them as integers.
local function BuildFrameString(imagepath, animdata, framenum, w, h)
local left, right, top, bottom = GetFrameRect(animdata, framenum)
return "|T" .. imagepath .. ":" .. w .. ":" .. h .. ":0:0:" ..
animdata.imageWidth .. ":" .. animdata.imageHeight .. ":" ..
left .. ":" .. right .. ":" .. top .. ":" .. bottom .. "|t"
return ("|T%s:%d:%d:0:0:%d:%d:%d:%d:%d:%d|t"):format(imagepath, w, h,
animdata.imageWidth, animdata.imageHeight,
left, right, top, bottom)
end
-- escape the pattern-magic chars that can appear in an emote escape (paths use