From 4c8ee85266388e29f439bf1e8ed73d48195cb70d Mon Sep 17 00:00:00 2001
From: fallenoak <git@fallenoak.me>
Date: Tue, 30 Dec 2025 10:18:12 -0600
Subject: [PATCH] feat(ui): implement CSimpleTexture_SetDesaturated

---
 src/ui/simple/CSimpleTextureScript.cpp | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/ui/simple/CSimpleTextureScript.cpp b/src/ui/simple/CSimpleTextureScript.cpp
index 4ff62bc..a6ea6ac 100644
--- a/src/ui/simple/CSimpleTextureScript.cpp
+++ b/src/ui/simple/CSimpleTextureScript.cpp
@@ -2,6 +2,7 @@
 #include "ui/Types.hpp"
 #include "ui/simple/CSimpleTexture.hpp"
 #include "util/Lua.hpp"
+#include "util/StringTo.hpp"
 #include "util/Unimplemented.hpp"
 #include <cstdint>
 
@@ -211,7 +212,21 @@ int32_t CSimpleTexture_SetRotation(lua_State* L) {
 }
 
 int32_t CSimpleTexture_SetDesaturated(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    auto type = CSimpleTexture::GetObjectType();
+    auto texture = static_cast<CSimpleTexture*>(FrameScript_GetObjectThis(L, type));
+
+    auto desaturated = StringToBOOL(L, 2, 1);
+    auto shader = CSimpleTexture::GetImageModePixelShader(desaturated ? ImageMode_Desaturate : ImageMode_UI);
+
+    if (shader) {
+        texture->SetShader(shader);
+
+        lua_pushnumber(L, 1);
+    } else {
+        lua_pushnil(L);
+    }
+
+    return 1;
 }
 
 int32_t CSimpleTexture_IsDesaturated(lua_State* L) {