From ea51e2e20f1a480880df23be8c45a062d00bae61 Mon Sep 17 00:00:00 2001
From: fallenoak <git@fallenoak.me>
Date: Tue, 28 Oct 2025 21:05:03 -0500
Subject: [PATCH] feat(component): add CCharacterComponent::UpdateItemDisplay

---
 src/component/CCharacterComponent.cpp | 29 +++++++++++++++++++++++++++
 src/component/CCharacterComponent.hpp |  2 ++
 2 files changed, 31 insertions(+)

diff --git a/src/component/CCharacterComponent.cpp b/src/component/CCharacterComponent.cpp
index f09da37..baea4ca 100644
--- a/src/component/CCharacterComponent.cpp
+++ b/src/component/CCharacterComponent.cpp
@@ -1146,6 +1146,35 @@ void CCharacterComponent::SetSkinColor(int32_t skinColorID, bool a3, bool a4, co
     this->m_flags &= ~0x8;
 }
 
+int32_t CCharacterComponent::UpdateItemDisplay(COMPONENT_SECTIONS section, const ItemDisplayInfoRec* newDisplayRec, int32_t priority) {
+    bool isNPC = this->m_data.flags & 0x1;
+
+    if (isNPC) {
+        return 0;
+    }
+
+    if (this->m_itemDisplays[section].displayID[priority]) {
+        auto curDisplayID = this->m_itemDisplays[section].displayID[priority];
+        auto curDisplayRec = g_itemDisplayInfoDB.GetRecord(curDisplayID);
+
+        // New display is same as old display
+        if (curDisplayRec && curDisplayRec->m_texture[section] == newDisplayRec->m_texture[section]) {
+            return 0;
+        }
+    }
+
+    this->m_itemDisplays[section].priorityDirty &= ~(1 << priority);
+
+    if (this->m_itemDisplays[section].texture[priority]) {
+        TextureCacheDestroyTexture(this->m_itemDisplays[section].texture[priority]);
+        this->m_itemDisplays[section].texture[priority] = nullptr;
+    }
+
+    this->m_itemDisplays[section].displayID[priority] = newDisplayRec->m_ID;
+
+    return 1;
+}
+
 int32_t CCharacterComponent::VariationsLoaded(int32_t a2) {
     TCTEXTUREINFO info;
 
diff --git a/src/component/CCharacterComponent.hpp b/src/component/CCharacterComponent.hpp
index 9f1d2cd..e3fb036 100644
--- a/src/component/CCharacterComponent.hpp
+++ b/src/component/CCharacterComponent.hpp
@@ -8,6 +8,7 @@
 class CACHEENTRY;
 class CCharacterComponent;
 class CharSectionsRec;
+class ItemDisplayInfoRec;
 
 struct BlpPalPixel;
 struct MipBits;
@@ -96,6 +97,7 @@ class CCharacterComponent {
         void SetHairColor(int32_t hairColorID, bool a3, const char* a4);
         void SetHairStyle(int32_t hairStyleID, const char* a3);
         void SetSkinColor(int32_t skinColorID, bool a3, bool a4, const char* a5);
+        int32_t UpdateItemDisplay(COMPONENT_SECTIONS section, const ItemDisplayInfoRec* newDisplayRec, int32_t priority);
         int32_t VariationsLoaded(int32_t a2);
 };