h1-mod/src/client/component/fastfiles.cpp

#include <std_include.hpp>
#include "loader/component_loader.hpp"
#include "fastfiles.hpp"

#include "command.hpp"
#include "console.hpp"

#include <utils/hook.hpp>
#include <utils/concurrency.hpp>

namespace fastfiles
{
	static utils::concurrency::container<std::string> current_fastfile;

	namespace
	{
		utils::hook::detour db_try_load_x_file_internal_hook;

		void db_try_load_x_file_internal(const char* zone_name, const int flags)
		{
			printf("Loading fastfile %s\n", zone_name);
			current_fastfile.access([&](std::string& fastfile)
			{
				fastfile = zone_name;
			});
			db_try_load_x_file_internal_hook.invoke<void>(zone_name, flags);
		}
	}

	std::string get_current_fastfile()
	{
		return current_fastfile.access<std::string>([&](std::string& fastfile)
		{
			return fastfile;
		});
	}

	void enum_assets(const game::XAssetType type, 
		const std::function<void(game::XAssetHeader)>& callback, const bool includeOverride)
	{
		game::DB_EnumXAssets_Internal(type, static_cast<void(*)(game::XAssetHeader, void*)>([](game::XAssetHeader header, void* data)
		{
			const auto& cb = *static_cast<const std::function<void(game::XAssetHeader)>*>(data);
			cb(header);
		}), &callback, includeOverride);
	}

	class component final : public component_interface
	{
	public:
		void post_unpack() override
		{
			db_try_load_x_file_internal_hook.create(
				SELECT_VALUE(0, 0x39A620_b), &db_try_load_x_file_internal);
		}
	};
}

REGISTER_COMPONENT(fastfiles::component)