feat(iw4): load leaderboard definitions from raw

src/ObjCommon/Game/IW4/Leaderboard/JsonLeaderboardDef.h

@@ -35,11 +35,11 @@ namespace IW4
     public:
         std::string name;
         int colId;
-        int propertyId;
-        bool hidden;
-        std::string statName;
+        std::optional<int> propertyId;
+        std::optional<bool> hidden;
+        std::optional<std::string> statName;
         LbColType type;
-        int precision;
+        std::optional<int> precision;
         LbAggType aggregationFunction;
     };
 

src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderLeaderboard.cpp

@@ -1,10 +1,13 @@
 #include "AssetLoaderLeaderboard.h"
 
 #include "Game/IW4/IW4.h"
+#include "Game/IW4/Leaderboard/JsonLeaderboardDefLoader.h"
 #include "ObjLoading.h"
 #include "Pool/GlobalAssetPool.h"
 
 #include <cstring>
+#include <format>
+#include <iostream>
 
 using namespace IW4;
 
@@ -15,3 +18,26 @@ void* AssetLoaderLeaderboard::CreateEmptyAsset(const std::string& assetName, Mem
     leaderboard->name = memory->Dup(assetName.c_str());
     return leaderboard;
 }
+
+bool AssetLoaderLeaderboard::CanLoadFromRaw() const
+{
+    return true;
+}
+
+bool AssetLoaderLeaderboard::LoadFromRaw(
+    const std::string& assetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, Zone* zone) const
+{
+    const auto file = searchPath->Open(std::format("leaderboards/{}.json", assetName));
+    if (!file.IsOpen())
+        return false;
+
+    auto* leaderboardDef = memory->Alloc<LeaderboardDef>();
+    leaderboardDef->name = memory->Dup(assetName.c_str());
+
+    if (LoadLeaderboardAsJson(*file.m_stream, *leaderboardDef, memory))
+        manager->AddAsset<AssetLeaderboard>(assetName, leaderboardDef);
+    else
+        std::cerr << std::format("Failed to load leaderboard \"{}\"\n", assetName);
+
+    return true;
+}

src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderLeaderboard.h

@@ -10,5 +10,8 @@ namespace IW4
     {
     public:
         _NODISCARD void* CreateEmptyAsset(const std::string& assetName, MemoryManager* memory) override;
+        _NODISCARD bool CanLoadFromRaw() const override;
+        bool
+            LoadFromRaw(const std::string& assetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, Zone* zone) const override;
     };
 } // namespace IW4

src/ObjLoading/Game/IW4/Leaderboard/JsonLeaderboardDefLoader.cpp

@@ -0,0 +1,122 @@
+#include "JsonLeaderboardDefLoader.h"
+
+#include "Game/IW4/CommonIW4.h"
+#include "Game/IW4/Leaderboard/JsonLeaderboardDef.h"
+
+#include <format>
+#include <iostream>
+#include <nlohmann/json.hpp>
+
+using namespace nlohmann;
+using namespace IW4;
+
+namespace
+{
+    class JsonLoader
+    {
+    public:
+        JsonLoader(std::istream& stream, MemoryManager& memory)
+            : m_stream(stream),
+              m_memory(memory)
+        {
+        }
+
+        bool Load(LeaderboardDef& leaderboardDef) const
+        {
+            const auto jRoot = json::parse(m_stream);
+            std::string type;
+            unsigned version;
+
+            jRoot.at("_type").get_to(type);
+            jRoot.at("_version").get_to(version);
+
+            if (type != "leaderboard" || version != 1u)
+            {
+                std::cerr << std::format("Tried to load leaderboard \"{}\" but did not find expected type leaderboard of version 1\n", leaderboardDef.name);
+                return false;
+            }
+
+            const auto jLeaderboard = jRoot.get<JsonLeaderboardDef>();
+            return CreateLeaderboardFromJson(jLeaderboard, leaderboardDef);
+        }
+
+    private:
+        bool CreateColumnDefFromJson(const JsonColumnDef& jColumn, LbColumnDef& lbColumnDef, LeaderboardDef& leaderboardDef) const
+        {
+            lbColumnDef.name = m_memory.Dup(jColumn.name.c_str());
+
+            if (jColumn.propertyId)
+                lbColumnDef.propertyId = jColumn.propertyId.value();
+            else
+                lbColumnDef.propertyId = 0;
+
+            if (jColumn.hidden)
+                lbColumnDef.hidden = jColumn.hidden.value();
+            else
+                lbColumnDef.hidden = false;
+
+            if (jColumn.statName)
+                lbColumnDef.statName = m_memory.Dup(jColumn.statName->c_str());
+            else
+                lbColumnDef.statName = nullptr;
+
+            lbColumnDef.type = jColumn.type;
+
+            if (jColumn.precision)
+                lbColumnDef.precision = jColumn.precision.value();
+            else
+                lbColumnDef.precision = 0;
+
+            lbColumnDef.agg = jColumn.aggregationFunction;
+
+            return true;
+        }
+
+        bool CreateLeaderboardFromJson(const JsonLeaderboardDef& jLeaderboardDef, LeaderboardDef& leaderboardDef) const
+        {
+            leaderboardDef.id = jLeaderboardDef.id;
+
+            if (jLeaderboardDef.xpColId)
+                leaderboardDef.xpColId = jLeaderboardDef.xpColId.value();
+            else
+                leaderboardDef.xpColId = -1;
+
+            if (jLeaderboardDef.prestigeColId)
+                leaderboardDef.prestigeColId = jLeaderboardDef.prestigeColId.value();
+            else
+                leaderboardDef.prestigeColId = -1;
+
+            if (!jLeaderboardDef.columns.empty())
+            {
+                leaderboardDef.columnCount = static_cast<int>(jLeaderboardDef.columns.size());
+                leaderboardDef.columns = m_memory.Alloc<LbColumnDef>(leaderboardDef.columnCount);
+
+                for (auto i = 0; i < leaderboardDef.columnCount; i++)
+                {
+                    if (!CreateColumnDefFromJson(jLeaderboardDef.columns[i], leaderboardDef.columns[i], leaderboardDef))
+                        return false;
+                }
+            }
+            else
+            {
+                leaderboardDef.columnCount = 0;
+                leaderboardDef.columns = nullptr;
+            }
+
+            return true;
+        }
+
+        std::istream& m_stream;
+        MemoryManager& m_memory;
+    };
+} // namespace
+
+namespace IW4
+{
+    bool LoadLeaderboardAsJson(std::istream& stream, LeaderboardDef& leaderboard, MemoryManager* memory)
+    {
+        const JsonLoader loader(stream, *memory);
+
+        return loader.Load(leaderboard);
+    }
+} // namespace IW4

src/ObjLoading/Game/IW4/Leaderboard/JsonLeaderboardDefLoader.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include "Game/IW4/IW4.h"
+#include "Utils/MemoryManager.h"
+
+namespace IW4
+{
+    bool LoadLeaderboardAsJson(std::istream& stream, LeaderboardDef& leaderboard, MemoryManager* memory);
+} // namespace IW4

src/ObjWriting/Game/IW4/AssetDumpers/AssetDumperLeaderboardDef.cpp

@@ -7,20 +7,15 @@
 
 using namespace IW4;
 
-std::string AssetDumperLeaderboardDef::GetFileNameForAsset(const std::string& assetName)
-{
-
-    return std::format("leaderboards/{}.json", assetName);
-}
-
 bool AssetDumperLeaderboardDef::ShouldDump(XAssetInfo<LeaderboardDef>* asset)
 {
     return true;
 }
 
 void AssetDumperLeaderboardDef::DumpAsset(AssetDumpingContext& context, XAssetInfo<LeaderboardDef>* asset)
 {
-    const auto assetFile = context.OpenAssetFile(GetFileNameForAsset(asset->m_name));
+    const auto assetName = asset->m_name;
+    const auto assetFile = context.OpenAssetFile(std::format("leaderboards/{}.json", assetName));
 
     if (!assetFile)
         return;

src/ObjWriting/Game/IW4/AssetDumpers/AssetDumperLeaderboardDef.h

@@ -7,8 +7,6 @@ namespace IW4
 {
     class AssetDumperLeaderboardDef final : public AbstractAssetDumper<LeaderboardDef>
     {
-        static std::string GetFileNameForAsset(const std::string& assetName);
-
     protected:
         _NODISCARD bool ShouldDump(XAssetInfo<LeaderboardDef>* asset) override;
         void DumpAsset(AssetDumpingContext& context, XAssetInfo<LeaderboardDef>* asset) override;

src/ObjWriting/Game/IW5/AssetDumpers/AssetDumperLeaderboardDef.cpp

@@ -7,20 +7,15 @@
 
 using namespace IW5;
 
-std::string AssetDumperLeaderboardDef::GetFileNameForAsset(const std::string& assetName)
-{
-
-    return std::format("leaderboards/{}.json", assetName);
-}
-
 bool AssetDumperLeaderboardDef::ShouldDump(XAssetInfo<LeaderboardDef>* asset)
 {
     return true;
 }
 
 void AssetDumperLeaderboardDef::DumpAsset(AssetDumpingContext& context, XAssetInfo<LeaderboardDef>* asset)
 {
-    const auto assetFile = context.OpenAssetFile(GetFileNameForAsset(asset->m_name));
+    const auto assetName = asset->m_name;
+    const auto assetFile = context.OpenAssetFile(std::format("leaderboards/{}.json", assetName));
 
     if (!assetFile)
         return;

src/ObjWriting/Game/IW5/AssetDumpers/AssetDumperLeaderboardDef.h

@@ -7,8 +7,6 @@ namespace IW5
 {
     class AssetDumperLeaderboardDef final : public AbstractAssetDumper<LeaderboardDef>
     {
-        static std::string GetFileNameForAsset(const std::string& assetName);
-
     protected:
         _NODISCARD bool ShouldDump(XAssetInfo<LeaderboardDef>* asset) override;
         void DumpAsset(AssetDumpingContext& context, XAssetInfo<LeaderboardDef>* asset) override;