VideoCommon: add support to graphics mod manager to load in assets and pass it to graphics actions

4 files changed, 93 insertions, 0 deletions

diff --git a/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsMod.cpp b/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsMod.cpp
index c7dc5aab87..b04190ad67 100644
--- a/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsMod.cpp
+++ b/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsMod.cpp
@@ -178,6 +178,27 @@ bool GraphicsModConfig::DeserializeFromConfig(const picojson::value& value)
     }
   }
 
+  const auto& assets = value.get("assets");
+  if (assets.is<picojson::array>())
+  {
+    for (const auto& asset_val : assets.get<picojson::array>())
+    {
+      if (!asset_val.is<picojson::object>())
+      {
+        ERROR_LOG_FMT(
+            VIDEO, "Failed to load mod configuration file, specified asset is not a json object");
+        return false;
+      }
+      GraphicsModAssetConfig asset;
+      if (!asset.DeserializeFromConfig(asset_val.get<picojson::object>()))
+      {
+        return false;
+      }
+
+      m_assets.push_back(std::move(asset));
+    }
+  }
+
   return true;
 }
 
diff --git a/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsMod.h b/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsMod.h
index f4f6859cb3..953af6201b 100644
--- a/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsMod.h
+++ b/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsMod.h
@@ -9,6 +9,7 @@
 
 #include <picojson.h>
 
+#include "VideoCommon/GraphicsModSystem/Config/GraphicsModAsset.h"
 #include "VideoCommon/GraphicsModSystem/Config/GraphicsModFeature.h"
 #include "VideoCommon/GraphicsModSystem/Config/GraphicsTargetGroup.h"
 
@@ -30,6 +31,7 @@ struct GraphicsModConfig
 
   std::vector<GraphicsTargetGroupConfig> m_groups;
   std::vector<GraphicsModFeatureConfig> m_features;
+  std::vector<GraphicsModAssetConfig> m_assets;
 
   static std::optional<GraphicsModConfig> Create(const std::string& file, Source source);
   static std::optional<GraphicsModConfig> Create(const picojson::object* obj);
diff --git a/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsModAsset.cpp b/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsModAsset.cpp
new file mode 100644
index 0000000000..fb5572b3da
--- /dev/null
+++ b/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsModAsset.cpp
@@ -0,0 +1,52 @@
+// Copyright 2023 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "VideoCommon/GraphicsModSystem/Config/GraphicsModAsset.h"
+
+#include "Common/Logging/Log.h"
+
+bool GraphicsModAssetConfig::DeserializeFromConfig(const picojson::object& obj)
+{
+  auto name_iter = obj.find("name");
+  if (name_iter == obj.end())
+  {
+    ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, specified asset has no name");
+    return false;
+  }
+  if (!name_iter->second.is<std::string>())
+  {
+    ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, specified asset has a name "
+                         "that is not a string");
+    return false;
+  }
+  m_name = name_iter->second.to_str();
+
+  auto data_iter = obj.find("data");
+  if (data_iter == obj.end())
+  {
+    ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, specified asset '{}' has no data",
+                  m_name);
+    return false;
+  }
+  if (!data_iter->second.is<picojson::object>())
+  {
+    ERROR_LOG_FMT(VIDEO,
+                  "Failed to load mod configuration file, specified asset '{}' has data "
+                  "that is not an object",
+                  m_name);
+    return false;
+  }
+  for (const auto& [key, value] : data_iter->second.get<picojson::object>())
+  {
+    if (!value.is<std::string>())
+    {
+      ERROR_LOG_FMT(VIDEO,
+                    "Failed to load mod configuration file, specified asset '{}' has data "
+                    "with a value for key '{}' that is not a string",
+                    m_name, key);
+    }
+    m_map[key] = value.to_str();
+  }
+
+  return true;
+}
diff --git a/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsModAsset.h b/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsModAsset.h
new file mode 100644
index 0000000000..b38ba792cc
--- /dev/null
+++ b/Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsModAsset.h
@@ -0,0 +1,18 @@
+// Copyright 2023 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <string>
+
+#include <picojson.h>
+
+#include "VideoCommon/Assets/DirectFilesystemAssetLibrary.h"
+
+struct GraphicsModAssetConfig
+{
+  std::string m_name;
+  VideoCommon::DirectFilesystemAssetLibrary::AssetMap m_map;
+
+  bool DeserializeFromConfig(const picojson::object& obj);
+};