Move content files functions to `core.contentFiles` and add `obj.contentFile`

apps/openmw/mwlua/luabindings.cpp

@@ -84,6 +84,29 @@ namespace MWLua
         // api["resume"] = []() {};
     }
 
+    static sol::table initContentFilesBindings(sol::state_view& lua)
+    {
+        const std::vector<std::string>& contentList = MWBase::Environment::get().getWorld()->getContentFiles();
+        sol::table list(lua, sol::create);
+        for (size_t i = 0; i < contentList.size(); ++i)
+            list[i + 1] = Misc::StringUtils::lowerCase(contentList[i]);
+        sol::table res(lua, sol::create);
+        res["list"] = LuaUtil::makeReadOnly(list);
+        res["indexOf"] = [&contentList](std::string_view contentFile) -> sol::optional<int> {
+            for (size_t i = 0; i < contentList.size(); ++i)
+                if (Misc::StringUtils::ciEqual(contentList[i], contentFile))
+                    return i + 1;
+            return sol::nullopt;
+        };
+        res["has"] = [&contentList](std::string_view contentFile) -> bool {
+            for (size_t i = 0; i < contentList.size(); ++i)
+                if (Misc::StringUtils::ciEqual(contentList[i], contentFile))
+                    return true;
+            return false;
+        };
+        return LuaUtil::makeReadOnly(res);
+    }
+
     static sol::table initCorePackage(const Context& context)
     {
         auto* lua = context.mLua;
@@ -97,21 +120,7 @@ namespace MWLua
             context.mLuaEvents->addGlobalEvent(
                 { std::move(eventName), LuaUtil::serialize(eventData, context.mSerializer) });
         };
-        api["getContentList"] = [](sol::this_state lua) -> sol::table {
-            const std::vector<std::string>& contentList = MWBase::Environment::get().getWorld()->getContentFiles();
-            sol::table res(lua, sol::create);
-            int i = 1;
-            for (const std::string& s : contentList)
-                res[i++] = Misc::StringUtils::lowerCase(s);
-            return res;
-        };
-        api["getContentFileIndex"] = [](std::string_view contentFile) -> sol::optional<int> {
-            const std::vector<std::string>& contentList = MWBase::Environment::get().getWorld()->getContentFiles();
-            for (size_t i = 0; i < contentList.size(); ++i)
-                if (Misc::StringUtils::ciEqual(contentList[i], contentFile))
-                    return i + 1;
-            return sol::nullopt;
-        };
+        api["contentFiles"] = initContentFilesBindings(lua->sol());
         api["getFormId"] = [](std::string_view contentFile, unsigned int index) -> std::string {
             const std::vector<std::string>& contentList = MWBase::Environment::get().getWorld()->getContentFiles();
             for (size_t i = 0; i < contentList.size(); ++i)

apps/openmw/mwlua/objectbindings.cpp

@@ -145,6 +145,13 @@ namespace MWLua
         void addBasicBindings(sol::usertype<ObjectT>& objectT, const Context& context)
         {
             objectT["id"] = sol::readonly_property([](const ObjectT& o) -> std::string { return o.id().toString(); });
+            objectT["contentFile"] = sol::readonly_property([](const ObjectT& o) -> sol::optional<std::string> {
+                int contentFileIndex = o.id().mContentFile;
+                const std::vector<std::string>& contentList = MWBase::Environment::get().getWorld()->getContentFiles();
+                if (contentFileIndex < 0 || contentFileIndex >= static_cast<int>(contentList.size()))
+                    return sol::nullopt;
+                return Misc::StringUtils::lowerCase(contentList[contentFileIndex]);
+            });
             objectT["isValid"] = [](const ObjectT& o) { return !o.ptrOrNull().isEmpty(); };
             objectT["recordId"] = sol::readonly_property(
                 [](const ObjectT& o) -> std::string { return o.ptr().getCellRef().getRefId().serializeText(); });

files/lua_api/openmw/core.lua

@@ -103,16 +103,26 @@
 
 
 ---
--- Return the current load order (list of content file names).
--- @function [parent=#core] getContentList
--- @return #list<#string>
+-- @{#ContentFiles}: functions working with the list of currently loaded content files.
+-- @field [parent=#core] #ContentFiles contentFiles
+
+---
+-- Functions working with the list of currently loaded content files.
+-- @type ContentFiles
+-- @field #list<#string> list The current load order (list of content file names).
 
 ---
 -- Return the index of a specific content file in the load order (or `nil` if there is no such content file).
--- @function [parent=#core] getContentFileIndex
+-- @function [parent=#ContentFiles] indexOf
 -- @param #string contentFile
 -- @return #number
 
+---
+-- Check if the content file with given name present in the load order.
+-- @function [parent=#ContentFiles] has
+-- @param #string contentFile
+-- @return #boolean
+
 ---
 -- Construct FormId string from content file name and the index in the file.
 -- @function [parent=#core] getFormId
@@ -132,6 +142,7 @@
 -- @type GameObject
 -- @extends #userdata
 -- @field #string id A unique id of this object (not record id), can be used as a key in a table.
+-- @field #string contentFile Lower cased file name of the content file that defines this object; nil for dynamically created objects.
 -- @field #boolean enabled Whether the object is enabled or disabled. Global scripts can set the value. Items in containers or inventories can't be disabled.
 -- @field openmw.util#Vector3 position Object position.
 -- @field openmw.util#Vector3 rotation Object rotation (ZXY order).