sscsm_environment.h

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// SPDX-FileCopyrightText: 2024 Luanti authors
//
// SPDX-License-Identifier: LGPL-2.1-or-later
 
#pragma once
 
#include <memory>
#include <optional>
#include <string>
#include <string_view>
#include "client/client.h"
#include "threading/thread.h"
#include "sscsm_controller.h"
#include "sscsm_irequest.h"
#include "../scripting_sscsm.h"
 
class SSCSMEnvironment : public Thread
{
        std::shared_ptr<StupidChannel> m_channel;
        std::unique_ptr<SSCSMScripting> m_script;
        // the virtual file system.
        // paths look like this:
        // *client_builtin*:subdir/foo.lua
        // *server_builtin*:subdir/foo.lua
        // modname:subdir/foo.lua
        std::unique_ptr<ModVFS> m_vfs;
 
        void *run() override;
 
        SerializedSSCSMAnswer exchange(SerializedSSCSMRequest req);
 
public:
        SSCSMEnvironment(std::shared_ptr<StupidChannel> channel);
        ~SSCSMEnvironment() override;
 
        SSCSMScripting *getScript() { return m_script.get(); }
 
        ModVFS *getModVFS() { return m_vfs.get(); }
        void updateVFSFiles(std::vector<std::pair<std::string, std::string>> &&files);
        std::optional<std::string_view> readVFSFile(const std::string &path);
 
        void setFatalError(const std::string &reason);
 
        template <typename RQ>
        typename RQ::Answer doRequest(RQ &&rq)
        {
                return deserializeSSCSMAnswer<typename RQ::Answer>(
                                exchange(serializeSSCSMRequest(std::forward<RQ>(rq)))
                        );
        }
};