library_scummvm.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef AGS_ENGINE_UTIL_LIBRARY_SCUMMVM_H
#define AGS_ENGINE_UTIL_LIBRARY_SCUMMVM_H
 
#include "ags/shared/core/platform.h"
#include "ags/shared/util/string.h"
#include "ags/shared/debugging/out.h"
#include "ags/plugins/plugin_base.h"
#include "ags/engine/util/library.h"
 
namespace AGS3 {
namespace AGS {
namespace Engine {
 
class ScummVMLibrary : public BaseLibrary {
private:
    Plugins::PluginBase *_library = nullptr;
 
public:
    ScummVMLibrary() : BaseLibrary() {}
 
    ~ScummVMLibrary() override {
        Unload();
    };
 
    AGS::Shared::String GetFilenameForLib(const AGS::Shared::String &libraryName) override {
        return AGS::Shared::String::FromFormat("%s.dll", libraryName.GetCStr());
    }
 
    bool Load(const AGS::Shared::String &libraryName) override {
        Unload();
 
        _library = Plugins::pluginOpen(libraryName.GetCStr());
        const char *error = Plugins::pluginError();
        if (error)
            AGS::Shared::Debug::Printf("pluginOpen returned: %s", error);
 
        if (_library == nullptr)
            return false;
        _name = libraryName;
        _filename = GetFilenameForLib(libraryName);
        _path = "./";
        return true;
    }
 
    void Unload() override {
        if (_library) {
            Plugins::pluginClose(_library);
            _library = nullptr;
            _name = "";
            _filename = "";
            _path = "";
        }
    }
 
    bool IsLoaded() const override {
        return _library != nullptr;
    }
 
    Plugins::PluginBase *getPlugin() const {
        return _library;
    }
};
 
 
typedef ScummVMLibrary Library;
 
} // namespace Engine
} // namespace AGS
} // namespace AGS3
 
#endif