From 4403df78d99d871632f0e6a6a94ed3901d868199 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 26 Apr 2026 17:38:48 +0300
Subject: [PATCH 1/2] feat: bytearray support in gfx.posteffects.set_array

---
 doc/en/scripting/builtins/libgfx-posteffects.md | 4 ++--
 doc/ru/scripting/builtins/libgfx-posteffects.md | 6 +++---
 src/logic/scripting/lua/lua_util.hpp            | 5 ++++-
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/doc/en/scripting/builtins/libgfx-posteffects.md b/doc/en/scripting/builtins/libgfx-posteffects.md
index c624d557c..5e36683c4 100644
--- a/doc/en/scripting/builtins/libgfx-posteffects.md
+++ b/doc/en/scripting/builtins/libgfx-posteffects.md
@@ -41,8 +41,8 @@ gfx.posteffects.set_array(
     slot: int,
     -- parameter (array) name
     name: str
-    -- data string (use Bytearray_as_string function)
-    data: str
+    -- data
+    data: Bytearray
 )
 
 -- Example of filling an array `#param vec3 u_arrayName[64]`:
diff --git a/doc/ru/scripting/builtins/libgfx-posteffects.md b/doc/ru/scripting/builtins/libgfx-posteffects.md
index 01c13d888..64fb6c064 100644
--- a/doc/ru/scripting/builtins/libgfx-posteffects.md
+++ b/doc/ru/scripting/builtins/libgfx-posteffects.md
@@ -41,8 +41,8 @@ gfx.posteffects.set_array(
     slot: int,
     -- имя параметра (массива)
     name: string
-    -- строка данных (используйте функцию Bytearray_as_string)
-    data: string
+    -- данные
+    data: Bytearray
 )
 
 -- Пример заполнения массива `#param vec3 u_имяМассива[64]`:
@@ -54,4 +54,4 @@ for i = 0, 63 do
     Bytearray.append(buffer, byteutil.pack("fff", x, y, z))
 end
 gfx.posteffects.set_array(slot, "u_имяМассива", Bytearray_as_string(buffer))
-```
\ No newline at end of file
+```
diff --git a/src/logic/scripting/lua/lua_util.hpp b/src/logic/scripting/lua/lua_util.hpp
index f87853256..236eaf401 100644
--- a/src/logic/scripting/lua/lua_util.hpp
+++ b/src/logic/scripting/lua/lua_util.hpp
@@ -770,7 +770,10 @@ namespace lua {
     }
 
     inline std::string_view bytearray_as_string(lua::State* L, int idx) {
-        lua::pushvalue(L, idx);
+        if (lua::type(L, idx) == LUA_TSTRING) {
+            return lua::tolstring(L, idx);
+        }
+        lua::pushvalue(L, idx); 
         lua::requireglobal(L, "Bytearray_as_string");
         lua::pushvalue(L, -2);
         lua::call(L, 1, 1);

From 0cec5057f772e9f82ff11cc1a20a78cba47cd5bf Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 26 Apr 2026 18:35:56 +0300
Subject: [PATCH 2/2] do it completely

---
 src/logic/scripting/lua/libs/libposteffects.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/logic/scripting/lua/libs/libposteffects.cpp b/src/logic/scripting/lua/libs/libposteffects.cpp
index 6eedaa6c8..3d714203b 100644
--- a/src/logic/scripting/lua/libs/libposteffects.cpp
+++ b/src/logic/scripting/lua/libs/libposteffects.cpp
@@ -65,7 +65,7 @@ static int l_set_params(lua::State* L) {
 static int l_set_array(lua::State* L) {
     size_t index = static_cast<size_t>(lua::tointeger(L, 1));
     auto key = lua::require_string(L, 2);
-    auto data = lua::require_lstring(L, 3);
+    auto data = lua::bytearray_as_string(L, 3);
     auto effect = post_processing->getEffect(index);
     if (effect == nullptr) {
         return 0;