CCmpSoundManager.cpp

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/* Copyright (C) 2012 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. 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 2 of the License, or
 * (at your option) any later version.
 *
 * 0 A.D. 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 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "precompiled.h"

#include "simulation2/system/Component.h"
#include "ICmpSoundManager.h"

#include "simulation2/MessageTypes.h"
#include "simulation2/components/ICmpPosition.h"
#include "simulation2/components/ICmpRangeManager.h"
#include "simulation2/components/ICmpOwnership.h"

#include "soundmanager/ISoundManager.h"

class CCmpSoundManager : public ICmpSoundManager
{
public:
    static void ClassInit(CComponentManager& UNUSED(componentManager) )
    {
    }

    DEFAULT_COMPONENT_ALLOCATOR(SoundManager)

    static std::string GetSchema()
    {
        return "<a:component type='system'/><empty/>";
    }

    virtual void Init(const CParamNode& UNUSED(paramNode))
    {
    }

    virtual void Deinit()
    {
    }

    virtual void Serialize(ISerializer& UNUSED(serialize))
    {
        // Do nothing here - sounds are purely local, and don't need to be preserved across saved games etc
        // (If we add music support in here then we might want to save the music state, though)
    }

    virtual void Deserialize(const CParamNode& paramNode, IDeserializer& UNUSED(deserialize))
    {
        Init(paramNode);
    }

    virtual void PlaySoundGroup(std::wstring name, entity_id_t source)
    {
        if ( ! g_SoundManager || (source == INVALID_ENTITY) )
            return;

        CmpPtr<ICmpRangeManager> cmpRangeManager(GetSystemEntity());
        int currentPlayer = GetSimContext().GetCurrentDisplayedPlayer();

        if ( !cmpRangeManager || 
                ( cmpRangeManager->GetLosVisibility(source, currentPlayer) != ICmpRangeManager::VIS_VISIBLE ) )
            return;

        CmpPtr<ICmpPosition> cmpPosition(GetSimContext(), source);
        if (cmpPosition && cmpPosition->IsInWorld())
        {
            bool playerOwned = false;
            CmpPtr<ICmpOwnership> cmpOwnership( GetSimContext(), source);
            if (cmpOwnership)
                playerOwned = cmpOwnership->GetOwner() == currentPlayer;

            CVector3D sourcePos = CVector3D(cmpPosition->GetPosition());
            g_SoundManager->PlayAsGroup(name, sourcePos, source, playerOwned);
        }
    }

};

REGISTER_COMPONENT_TYPE(SoundManager)