From f20b9fbbde9525a66312bd77a126562924c88fad Mon Sep 17 00:00:00 2001
From: fallenoak <git@fallenoak.me>
Date: Mon, 29 Dec 2025 22:16:08 -0600
Subject: [PATCH] feat(glue): implement Script_SetCharCustomizeBackground

---
 src/glue/CCharacterCreation.cpp       | 31 +++++++++++++++++++++++++++
 src/glue/CCharacterCreation.hpp       |  1 +
 src/glue/CCharacterCreationScript.cpp | 12 ++++++++++-
 3 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/src/glue/CCharacterCreation.cpp b/src/glue/CCharacterCreation.cpp
index 8a17380..84ae672 100644
--- a/src/glue/CCharacterCreation.cpp
+++ b/src/glue/CCharacterCreation.cpp
@@ -3,6 +3,7 @@
 #include "component/Types.hpp"
 #include "db/Db.hpp"
 #include "glue/CGlueLoading.hpp"
+#include "model/CM2Shared.hpp"
 #include "object/client/Player_C.hpp"
 #include "ui/simple/CSimpleModelFFX.hpp"
 
@@ -208,6 +209,36 @@ void CCharacterCreation::ResetCharCustomizeInfo() {
     CGlueLoading::StartLoad(CCharacterCreation::s_character, true);
 }
 
+void CCharacterCreation::SetCharCustomizeModel(const char* filename) {
+    if (!CCharacterCreation::s_charCustomizeFrame || !filename || !*filename) {
+        return;
+    }
+
+    auto existingModel = CCharacterCreation::s_charCustomizeFrame->m_model;
+
+    if (existingModel && !SStrCmpI(existingModel->m_shared->m_filePath, filename)) {
+        return;
+    }
+
+    CCharacterCreation::s_charCustomizeFrame->SetModel(filename);
+    auto customizeModel = CCharacterCreation::s_charCustomizeFrame->m_model;
+
+    // TODO inlined?
+    if (customizeModel) {
+        // TODO lighting stuff
+        customizeModel->IsDrawable(1, 1);
+    }
+
+    // TODO inlined?
+    if (customizeModel) {
+        auto characterModel = CCharacterCreation::s_character->m_data.model;
+
+        if (characterModel) {
+            characterModel->AttachToParent(customizeModel, 0, nullptr, 0);
+        }
+    }
+}
+
 void CCharacterCreation::SetSelectedClass(int32_t classID) {
     if (!CCharacterCreation::IsClassValid(classID)) {
         return;
diff --git a/src/glue/CCharacterCreation.hpp b/src/glue/CCharacterCreation.hpp
index d3a55b9..6a3f185 100644
--- a/src/glue/CCharacterCreation.hpp
+++ b/src/glue/CCharacterCreation.hpp
@@ -30,6 +30,7 @@ class CCharacterCreation {
         static void Initialize();
         static bool IsClassValid(int32_t classID);
         static void ResetCharCustomizeInfo();
+        static void SetCharCustomizeModel(const char* filename);
         static void SetSelectedClass(int32_t classID);
 };
 
diff --git a/src/glue/CCharacterCreationScript.cpp b/src/glue/CCharacterCreationScript.cpp
index 3568b4a..943f25a 100644
--- a/src/glue/CCharacterCreationScript.cpp
+++ b/src/glue/CCharacterCreationScript.cpp
@@ -30,7 +30,17 @@ int32_t Script_SetCharCustomizeFrame(lua_State* L) {
 }
 
 int32_t Script_SetCharCustomizeBackground(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+    if (!lua_isstring(L, 1)) {
+        luaL_error(L, "Usage: SetCharCustomizeBackground(\"filename\")");
+
+        return 0;
+    }
+
+    auto filename = lua_tostring(L, 1);
+
+    CCharacterCreation::SetCharCustomizeModel(filename);
+
+    return 0;
 }
 
 int32_t Script_ResetCharCustomize(lua_State* L) {