From dd577dd08059b2a4fa32bf1d1505916fa47d3ada Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Tue, 29 Sep 2026 18:44:19 +0300
Subject: [PATCH] cleanup

---
 res/modules/internal/animation_codegen.lua | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/res/modules/internal/animation_codegen.lua b/res/modules/internal/animation_codegen.lua
index 004cdc4a3..0b96dc15b 100644
--- a/res/modules/internal/animation_codegen.lua
+++ b/res/modules/internal/animation_codegen.lua
@@ -15,18 +15,15 @@ local exclude_patters = {
 }
 
 --  TODO: replace with actual expression -> lua translator
-local function process_expression(src, memoised, ismul, iscurve)
-    if not iscurve then
-        if ismul then
-            src = string.format("(%s) * intensity + (1.0 - intensity)", src)
-        else
-            src = string.format("(%s) * intensity", src)
-        end
+local function process_expression(src, memoised, mode)
+    if mode == 'mul' then
+        src = string.format("(%s) * intensity + (1.0 - intensity)", src)
+    elseif mode == "add" then
+        src = string.format("(%s) * intensity", src)
     end
 
     for i, pattern in ipairs(exclude_patters) do
         if src:find(pattern) then
-            debug.print(exclude_patters)
             error("invalid syntax "..string.escape(src))
         end
     end
@@ -150,7 +147,8 @@ local function codegen_track(raw_track, lineset, memoised, keysets, use_tsf)
     for i, line in ipairs(lines) do
         if line.expression then
             code = code .. "\n   local l" .. i .. " = (" ..
-                process_expression(line.expression, memoised, is_multiplier[line.channel]) .. ")"
+                process_expression(line.expression, memoised,
+                is_multiplier[line.channel] and "mul" or "add") .. ")"
         elseif line.keys then
             local target_keysets = keysets[lineset.target_name]
             if not target_keysets then
@@ -286,7 +284,7 @@ function internals.compile_animation_track(raw_track, track_name)
     for name, curve in pairs(raw_track.curves) do
         context.curves[name] = load(string.format(
             "return function(kl, kr, t) return %s end",
-            process_expression(curve.func, context.memoised, false, true)
+            process_expression(curve.func, context.memoised, "curve")
         ), "<curve>", "t", env)()
     end