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// Copyright 2023 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoCommon/Assets/MaterialAsset.h"
#include <vector>
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "VideoCommon/Assets/CustomAssetLibrary.h"
namespace VideoCommon
{
namespace
{
bool ParsePropertyValue(const CustomAssetLibrary::AssetID& asset_id, MaterialProperty::Type type,
const picojson::value& json_value,
std::optional<MaterialProperty::Value>* value)
{
switch (type)
{
case MaterialProperty::Type::Type_TextureAsset:
{
if (json_value.is<std::string>())
{
*value = json_value.to_str();
return true;
}
}
break;
};
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse the json, value is not valid for type '{}'",
asset_id, type);
return false;
}
bool ParseMaterialProperties(const CustomAssetLibrary::AssetID& asset_id,
const picojson::array& values_data,
std::vector<MaterialProperty>* material_property)
{
for (const auto& value_data : values_data)
{
VideoCommon::MaterialProperty property;
if (!value_data.is<picojson::object>())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse the json, value is not the right json type",
asset_id);
return false;
}
const auto& value_data_obj = value_data.get<picojson::object>();
const auto type_iter = value_data_obj.find("type");
if (type_iter == value_data_obj.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse the json, value entry 'type' not found",
asset_id);
return false;
}
if (!type_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse the json, value entry 'type' is not "
"the right json type",
asset_id);
return false;
}
std::string type = type_iter->second.to_str();
Common::ToLower(&type);
if (type == "texture_asset")
{
property.m_type = MaterialProperty::Type::Type_TextureAsset;
}
else
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse the json, value entry 'type' is "
"an invalid option",
asset_id);
return false;
}
const auto code_name_iter = value_data_obj.find("code_name");
if (code_name_iter == value_data_obj.end())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse the json, value entry "
"'code_name' not found",
asset_id);
return false;
}
if (!code_name_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse the json, value entry 'code_name' is not "
"the right json type",
asset_id);
return false;
}
property.m_code_name = code_name_iter->second.to_str();
const auto value_iter = value_data_obj.find("value");
if (value_iter != value_data_obj.end())
{
if (!ParsePropertyValue(asset_id, property.m_type, value_iter->second, &property.m_value))
return false;
}
material_property->push_back(std::move(property));
}
return true;
}
} // namespace
bool MaterialData::FromJson(const CustomAssetLibrary::AssetID& asset_id,
const picojson::object& json, MaterialData* data)
{
const auto values_iter = json.find("values");
if (values_iter == json.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, 'values' not found", asset_id);
return false;
}
if (!values_iter->second.is<picojson::array>())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, 'values' is not the right json type",
asset_id);
return false;
}
const auto& values_array = values_iter->second.get<picojson::array>();
if (!ParseMaterialProperties(asset_id, values_array, &data->properties))
return false;
const auto shader_asset_iter = json.find("shader_asset");
if (shader_asset_iter == json.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, 'shader_asset' not found", asset_id);
return false;
}
if (!shader_asset_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse json, 'shader_asset' is not the right json type",
asset_id);
return false;
}
data->shader_asset = shader_asset_iter->second.to_str();
return true;
}
CustomAssetLibrary::LoadInfo MaterialAsset::LoadImpl(const CustomAssetLibrary::AssetID& asset_id)
{
auto potential_data = std::make_shared<MaterialData>();
const auto loaded_info = m_owning_library->LoadMaterial(asset_id, potential_data.get());
if (loaded_info.m_bytes_loaded == 0)
return {};
{
std::lock_guard lk(m_data_lock);
m_loaded = true;
m_data = std::move(potential_data);
}
return loaded_info;
}
} // namespace VideoCommon
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