From e485aedc8ee41184bf6dd229945601ccae83f4f4 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Fri, 25 Sep 2026 23:56:32 +0300
Subject: [PATCH] add 'period' keyframes-based line parameter

---
 res/modules/animation.lua                  |  3 ++-
 res/modules/internal/animation_codegen.lua | 12 ++++++------
 res/modules/internal/formats/vca.lua       |  4 +++-
 res/scripts/components/animator.lua        |  2 +-
 4 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/res/modules/animation.lua b/res/modules/animation.lua
index cbed8a941..35a77b78e 100644
--- a/res/modules/animation.lua
+++ b/res/modules/animation.lua
@@ -48,8 +48,9 @@ local this = {
     INT_LINEAR = 2,
     INT_BEZIER = 3,
     INT_CUSTOM = 4,
+    ALMOST_HUGE = 1e9,
 
-    TRACE_CODEGEN = false,
+    TRACE_CODEGEN = true,
 
     maths = {
         bezier_interpolation = bezier_interpolation
diff --git a/res/modules/internal/animation_codegen.lua b/res/modules/internal/animation_codegen.lua
index 66db0bed4..316dd22b3 100644
--- a/res/modules/internal/animation_codegen.lua
+++ b/res/modules/internal/animation_codegen.lua
@@ -150,16 +150,16 @@ local function codegen_track(raw_track, lineset, memoised, keysets, use_tsf)
                 local valueat = string.format("curves[%s]", string.escape(line.curve_func))
 
                 code = code .. string.format(
-                "\n   local l%d = value_at_custom(keysets['%s'][%d], t * %s, %s)",
-                i, lineset.target_name, i, raw_track.fps, valueat)
+                "\n   local l%d = value_at_custom(keysets['%s'][%d], t * %s %% %s, %s)",
+                i, lineset.target_name, i, raw_track.fps, line.period, valueat)
             elseif line.channel == animation.CH_TEXTURE then
                 code = code .. string.format(
-                    "\n   local l%d = string_at(keysets['%s'][%d], t * %s)",
-                    i, lineset.target_name, i, raw_track.fps)
+                    "\n   local l%d = string_at(keysets['%s'][%d], t * %s %% %s)",
+                    i, lineset.target_name, i, raw_track.fps, line.period)
             else
                 code = code .. string.format(
-                    "\n   local l%d = value_at(keysets['%s'][%d], t * %s, %s)",
-                    i, lineset.target_name, i, raw_track.fps, line.interp)
+                    "\n   local l%d = value_at(keysets['%s'][%d], t * %s %% %s, %s)",
+                    i, lineset.target_name, i, raw_track.fps, line.period, line.interp)
             end
         end
 
diff --git a/res/modules/internal/formats/vca.lua b/res/modules/internal/formats/vca.lua
index e22e220eb..99f03f15b 100644
--- a/res/modules/internal/formats/vca.lua
+++ b/res/modules/internal/formats/vca.lua
@@ -106,8 +106,10 @@ local function parse_track(root)
         end
         local line = {
             axis = node.by and ("xyz"):find(node.by) or "",
-            channel = channel
+            channel = channel,
+            period = node.period or animation.ALMOST_HUGE
         }
+        debug.print(animation.ALMOST_HUGE)
         if node.func then
             line.expression = node.func
         elseif node.curve then
diff --git a/res/scripts/components/animator.lua b/res/scripts/components/animator.lua
index 5bd3ef4fa..9fc5735fe 100644
--- a/res/scripts/components/animator.lua
+++ b/res/scripts/components/animator.lua
@@ -1,4 +1,4 @@
-local ALMOST_HUGE = 1e9
+local ALMOST_HUGE = animation.ALMOST_HUGE
 
 local rig = entity.skeleton