From 9a6c2fd2ccab30ee6e9b14643562cd4e7de5233f Mon Sep 17 00:00:00 2001
From: Alexei Kotov <alexdobrohotov@yandex.ru>
Date: Mon, 30 Oct 2023 23:23:39 +0300
Subject: [PATCH 1/2] Fill out ESM4::ItemMod

---
 components/esm4/loadimod.cpp | 38 ++++++++++++++++++++++++++++++++++--
 components/esm4/loadimod.hpp | 19 ++++++++++++++++++
 2 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/components/esm4/loadimod.cpp b/components/esm4/loadimod.cpp
index 7382946e2c..0359f6d23b 100644
--- a/components/esm4/loadimod.cpp
+++ b/components/esm4/loadimod.cpp
@@ -46,16 +46,50 @@ void ESM4::ItemMod::load(ESM4::Reader& reader)
             case ESM4::SUB_EDID:
                 reader.getZString(mEditorId);
                 break;
-            case ESM4::SUB_OBND:
             case ESM4::SUB_FULL:
+                reader.getLocalizedString(mFullName);
+                break;
             case ESM4::SUB_MODL:
+                reader.getZString(mModel);
+                break;
+            case ESM4::SUB_MODB:
+                reader.get(mBoundRadius);
+                break;
+            case ESM4::SUB_DESC:
+                reader.getLocalizedString(mText);
+                break;
             case ESM4::SUB_ICON:
+                reader.getZString(mIcon);
+                break;
             case ESM4::SUB_MICO:
+                reader.getZString(mMiniIcon);
+                break;
             case ESM4::SUB_SCRI:
-            case ESM4::SUB_DESC:
+                reader.getFormId(mScriptId);
+                break;
             case ESM4::SUB_YNAM:
+                reader.getFormId(mPickUpSound);
+                break;
             case ESM4::SUB_ZNAM:
+                reader.getFormId(mDropSound);
+                break;
             case ESM4::SUB_DATA:
+                reader.get(mData.mValue);
+                reader.get(mData.mWeight);
+                break;
+            case ESM4::SUB_OBND:
+            case ESM4::SUB_MODT: // Model data
+            case ESM4::SUB_MODS:
+            case ESM4::SUB_MODD: // Model data end
+            case ESM4::SUB_DAMC: // Destructible
+            case ESM4::SUB_DEST:
+            case ESM4::SUB_DMDC:
+            case ESM4::SUB_DMDL:
+            case ESM4::SUB_DMDT:
+            case ESM4::SUB_DMDS:
+            case ESM4::SUB_DSTA:
+            case ESM4::SUB_DSTD:
+            case ESM4::SUB_DSTF: // Destructible end
                 reader.skipSubRecordData();
                 break;
             default:
diff --git a/components/esm4/loadimod.hpp b/components/esm4/loadimod.hpp
index f1faed978c..1f6250ae72 100644
--- a/components/esm4/loadimod.hpp
+++ b/components/esm4/loadimod.hpp
@@ -42,10 +42,29 @@ namespace ESM4
 
     struct ItemMod
     {
+        struct Data
+        {
+            std::uint32_t mValue{ 0 };
+            float mWeight{ 0.f };
+        };
+
         ESM::FormId mId; // from the header
         std::uint32_t mFlags; // from the header, see enum type RecordFlag for details
 
         std::string mEditorId;
+        std::string mFullName;
+        std::string mModel;
+        std::string mText;
+        std::string mIcon;
+        std::string mMiniIcon;
+
+        ESM::FormId mScriptId;
+        ESM::FormId mPickUpSound;
+        ESM::FormId mDropSound;
+
+        float mBoundRadius;
+
+        Data mData;
 
         void load(ESM4::Reader& reader);
         // void save(ESM4::Writer& writer) const;

From 03c38182290843af1ce78380bd5d1f2798440d75 Mon Sep 17 00:00:00 2001
From: Alexei Kotov <alexdobrohotov@yandex.ru>
Date: Mon, 30 Oct 2023 23:33:11 +0300
Subject: [PATCH 2/2] Place ESM4::ItemMod into the scene

---
 apps/openmw/mwclass/classes.cpp    | 2 ++
 apps/openmw/mwlua/cellbindings.cpp | 4 ++++
 apps/openmw/mwlua/types/types.cpp  | 3 +++
 apps/openmw/mwworld/cellstore.cpp  | 1 +
 apps/openmw/mwworld/cellstore.hpp  | 3 ++-
 apps/openmw/mwworld/esmstore.hpp   | 5 +++--
 apps/openmw/mwworld/store.cpp      | 1 +
 components/esm/records.hpp         | 1 +
 files/lua_api/openmw/types.lua     | 3 +++
 9 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/apps/openmw/mwclass/classes.cpp b/apps/openmw/mwclass/classes.cpp
index 5017b1b272..f96c73e529 100644
--- a/apps/openmw/mwclass/classes.cpp
+++ b/apps/openmw/mwclass/classes.cpp
@@ -11,6 +11,7 @@
 #include <components/esm4/loaddoor.hpp>
 #include <components/esm4/loadflor.hpp>
 #include <components/esm4/loadfurn.hpp>
+#include <components/esm4/loadimod.hpp>
 #include <components/esm4/loadingr.hpp>
 #include <components/esm4/loadligh.hpp>
 #include <components/esm4/loadmisc.hpp>
@@ -84,6 +85,7 @@ namespace MWClass
         ESM4Named<ESM4::Flora>::registerSelf();
         ESM4Named<ESM4::Furniture>::registerSelf();
         ESM4Named<ESM4::Ingredient>::registerSelf();
+        ESM4Named<ESM4::ItemMod>::registerSelf();
         ESM4Light::registerSelf();
         ESM4Named<ESM4::MiscItem>::registerSelf();
         ESM4Named<ESM4::MovableStatic>::registerSelf();
diff --git a/apps/openmw/mwlua/cellbindings.cpp b/apps/openmw/mwlua/cellbindings.cpp
index 7c3b31c7b6..e43354bfaf 100644
--- a/apps/openmw/mwlua/cellbindings.cpp
+++ b/apps/openmw/mwlua/cellbindings.cpp
@@ -33,6 +33,7 @@
 #include <components/esm4/loaddoor.hpp>
 #include <components/esm4/loadflor.hpp>
 #include <components/esm4/loadfurn.hpp>
+#include <components/esm4/loadimod.hpp>
 #include <components/esm4/loadingr.hpp>
 #include <components/esm4/loadligh.hpp>
 #include <components/esm4/loadmisc.hpp>
@@ -232,6 +233,9 @@ namespace MWLua
                         case ESM::REC_FURN4:
                             cell.mStore->template forEachType<ESM4::Furniture>(visitor);
                             break;
+                        case ESM::REC_IMOD4:
+                            cell.mStore->template forEachType<ESM4::ItemMod>(visitor);
+                            break;
                         case ESM::REC_INGR4:
                             cell.mStore->template forEachType<ESM4::Ingredient>(visitor);
                             break;
diff --git a/apps/openmw/mwlua/types/types.cpp b/apps/openmw/mwlua/types/types.cpp
index bd8b592f7a..694b63ddf2 100644
--- a/apps/openmw/mwlua/types/types.cpp
+++ b/apps/openmw/mwlua/types/types.cpp
@@ -45,6 +45,7 @@ namespace MWLua
         constexpr std::string_view ESM4Flora = "ESM4Flora";
         constexpr std::string_view ESM4Furniture = "ESM4Furniture";
         constexpr std::string_view ESM4Ingredient = "ESM4Ingredient";
+        constexpr std::string_view ESM4ItemMod = "ESM4ItemMod";
         constexpr std::string_view ESM4Light = "ESM4Light";
         constexpr std::string_view ESM4MiscItem = "ESM4Miscellaneous";
         constexpr std::string_view ESM4MovableStatic = "ESM4MovableStatic";
@@ -90,6 +91,7 @@ namespace MWLua
             { ESM::REC_FLOR4, ObjectTypeName::ESM4Flora },
             { ESM::REC_FURN4, ObjectTypeName::ESM4Furniture },
             { ESM::REC_INGR4, ObjectTypeName::ESM4Ingredient },
+            { ESM::REC_IMOD4, ObjectTypeName::ESM4ItemMod },
             { ESM::REC_LIGH4, ObjectTypeName::ESM4Light },
             { ESM::REC_MISC4, ObjectTypeName::ESM4MiscItem },
             { ESM::REC_MSTT4, ObjectTypeName::ESM4MovableStatic },
@@ -230,6 +232,7 @@ namespace MWLua
         addType(ObjectTypeName::ESM4Flora, { ESM::REC_FLOR4 });
         addType(ObjectTypeName::ESM4Furniture, { ESM::REC_FURN4 });
         addType(ObjectTypeName::ESM4Ingredient, { ESM::REC_INGR4 });
+        addType(ObjectTypeName::ESM4ItemMod, { ESM::REC_IMOD4 });
         addType(ObjectTypeName::ESM4Light, { ESM::REC_LIGH4 });
         addType(ObjectTypeName::ESM4MiscItem, { ESM::REC_MISC4 });
         addType(ObjectTypeName::ESM4MovableStatic, { ESM::REC_MSTT4 });
diff --git a/apps/openmw/mwworld/cellstore.cpp b/apps/openmw/mwworld/cellstore.cpp
index ff79940540..6ee638f233 100644
--- a/apps/openmw/mwworld/cellstore.cpp
+++ b/apps/openmw/mwworld/cellstore.cpp
@@ -54,6 +54,7 @@
 #include <components/esm4/loaddoor.hpp>
 #include <components/esm4/loadflor.hpp>
 #include <components/esm4/loadfurn.hpp>
+#include <components/esm4/loadimod.hpp>
 #include <components/esm4/loadingr.hpp>
 #include <components/esm4/loadligh.hpp>
 #include <components/esm4/loadmisc.hpp>
diff --git a/apps/openmw/mwworld/cellstore.hpp b/apps/openmw/mwworld/cellstore.hpp
index debd80a97b..c80cf56d6a 100644
--- a/apps/openmw/mwworld/cellstore.hpp
+++ b/apps/openmw/mwworld/cellstore.hpp
@@ -72,6 +72,7 @@ namespace ESM4
     struct Furniture;
     struct Flora;
     struct Ingredient;
+    struct ItemMod;
     struct MiscItem;
     struct MovableStatic;
     struct Terminal;
@@ -96,7 +97,7 @@ namespace MWWorld
         CellRefList<ESM4::Static>, CellRefList<ESM4::Light>, CellRefList<ESM4::Activator>, CellRefList<ESM4::Potion>,
         CellRefList<ESM4::Ammunition>, CellRefList<ESM4::Armor>, CellRefList<ESM4::Book>, CellRefList<ESM4::Clothing>,
         CellRefList<ESM4::Container>, CellRefList<ESM4::Door>, CellRefList<ESM4::Flora>, CellRefList<ESM4::Ingredient>,
-        CellRefList<ESM4::Terminal>, CellRefList<ESM4::Tree>, CellRefList<ESM4::MiscItem>,
+        CellRefList<ESM4::ItemMod>, CellRefList<ESM4::Terminal>, CellRefList<ESM4::Tree>, CellRefList<ESM4::MiscItem>,
         CellRefList<ESM4::MovableStatic>, CellRefList<ESM4::Weapon>, CellRefList<ESM4::Furniture>,
         CellRefList<ESM4::Creature>, CellRefList<ESM4::Npc>>;
 
diff --git a/apps/openmw/mwworld/esmstore.hpp b/apps/openmw/mwworld/esmstore.hpp
index ceba4a26ef..16062c97db 100644
--- a/apps/openmw/mwworld/esmstore.hpp
+++ b/apps/openmw/mwworld/esmstore.hpp
@@ -91,6 +91,7 @@ namespace ESM4
     struct Hair;
     struct HeadPart;
     struct Ingredient;
+    struct ItemMod;
     struct Land;
     struct LandTexture;
     struct LevelledCreature;
@@ -140,8 +141,8 @@ namespace MWWorld
             Store<ESM4::Activator>, Store<ESM4::ActorCharacter>, Store<ESM4::ActorCreature>, Store<ESM4::Ammunition>,
             Store<ESM4::Armor>, Store<ESM4::ArmorAddon>, Store<ESM4::Book>, Store<ESM4::Cell>, Store<ESM4::Clothing>,
             Store<ESM4::Container>, Store<ESM4::Creature>, Store<ESM4::Door>, Store<ESM4::Furniture>,
-            Store<ESM4::Flora>, Store<ESM4::Hair>, Store<ESM4::HeadPart>, Store<ESM4::Ingredient>, Store<ESM4::Land>,
-            Store<ESM4::LandTexture>, Store<ESM4::LevelledCreature>, Store<ESM4::LevelledItem>,
+            Store<ESM4::Flora>, Store<ESM4::Hair>, Store<ESM4::HeadPart>, Store<ESM4::Ingredient>, Store<ESM4::ItemMod>,
+            Store<ESM4::Land>, Store<ESM4::LandTexture>, Store<ESM4::LevelledCreature>, Store<ESM4::LevelledItem>,
             Store<ESM4::LevelledNpc>, Store<ESM4::Light>, Store<ESM4::MiscItem>, Store<ESM4::MovableStatic>,
             Store<ESM4::Npc>, Store<ESM4::Outfit>, Store<ESM4::Potion>, Store<ESM4::Race>, Store<ESM4::Reference>,
             Store<ESM4::Static>, Store<ESM4::Terminal>, Store<ESM4::Tree>, Store<ESM4::Weapon>, Store<ESM4::World>>;
diff --git a/apps/openmw/mwworld/store.cpp b/apps/openmw/mwworld/store.cpp
index e42675c66e..ac3ee72a94 100644
--- a/apps/openmw/mwworld/store.cpp
+++ b/apps/openmw/mwworld/store.cpp
@@ -1362,6 +1362,7 @@ template class MWWorld::TypedDynamicStore<ESM4::Furniture>;
 template class MWWorld::TypedDynamicStore<ESM4::Hair>;
 template class MWWorld::TypedDynamicStore<ESM4::HeadPart>;
 template class MWWorld::TypedDynamicStore<ESM4::Ingredient>;
+template class MWWorld::TypedDynamicStore<ESM4::ItemMod>;
 template class MWWorld::TypedDynamicStore<ESM4::Land>;
 template class MWWorld::TypedDynamicStore<ESM4::LandTexture>;
 template class MWWorld::TypedDynamicStore<ESM4::LevelledCreature>;
diff --git a/components/esm/records.hpp b/components/esm/records.hpp
index 4473e0290f..ded4b92a92 100644
--- a/components/esm/records.hpp
+++ b/components/esm/records.hpp
@@ -59,6 +59,7 @@
 #include <components/esm4/loadfurn.hpp>
 #include <components/esm4/loadhair.hpp>
 #include <components/esm4/loadhdpt.hpp>
+#include <components/esm4/loadimod.hpp>
 #include <components/esm4/loadingr.hpp>
 #include <components/esm4/loadland.hpp>
 #include <components/esm4/loadligh.hpp>
diff --git a/files/lua_api/openmw/types.lua b/files/lua_api/openmw/types.lua
index 69ce5fbaf2..56cfd538f2 100644
--- a/files/lua_api/openmw/types.lua
+++ b/files/lua_api/openmw/types.lua
@@ -1875,6 +1875,9 @@
 --- Functions for @{#ESM4Ingredient} objects
 -- @field [parent=#types] #ESM4Ingredient ESM4Ingredient
 
+--- Functions for @{#ESM4ItemMod} objects
+-- @field [parent=#types] #ESM4ItemMod ESM4ItemMod
+
 --- Functions for @{#ESM4Light} objects
 -- @field [parent=#types] #ESM4Light ESM4Light