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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 "ps/CLogger.h"
#include "simulation2/MessageTypes.h"
#include "simulation2/components/ICmpPosition.h"
#include "simulation2/components/ICmpRangeManager.h"
#include "sound/SoundGroup.h"
class CCmpSoundManager : public ICmpSoundManager
{
public:
static void ClassInit(CComponentManager& componentManager)
{
componentManager.SubscribeToMessageType(MT_Update);
}
DEFAULT_COMPONENT_ALLOCATOR(SoundManager)
std::map<std::wstring, CSoundGroup*> m_SoundGroups;
static std::string GetSchema()
{
return "<a:component type='system'/><empty/>";
}
virtual void Init(const CParamNode& UNUSED(paramNode))
{
}
virtual void Deinit()
{
for (std::map<std::wstring, CSoundGroup*>::iterator it = m_SoundGroups.begin(); it != m_SoundGroups.end(); ++it)
delete it->second;
m_SoundGroups.clear();
}
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 HandleMessage(const CMessage& msg, bool UNUSED(global))
{
switch (msg.GetType())
{
case MT_Update:
{
// Update all the sound groups
// TODO: is it sensible to do this once per simulation turn, not once per renderer frame
// or on some other timer?
const CMessageUpdate& msgData = static_cast<const CMessageUpdate&> (msg);
float t = msgData.turnLength.ToFloat();
for (std::map<std::wstring, CSoundGroup*>::iterator it = m_SoundGroups.begin(); it != m_SoundGroups.end(); ++it)
if (it->second)
it->second->Update(t);
break;
}
}
}
virtual void PlaySoundGroup(std::wstring name, entity_id_t source)
{
// Make sure the sound group is loaded
CSoundGroup* group;
if (m_SoundGroups.find(name) == m_SoundGroups.end())
{
group = new CSoundGroup();
if (!group->LoadSoundGroup(L"audio/" + name))
{
LOGERROR(L"Failed to load sound group '%ls'", name.c_str());
delete group;
group = NULL;
}
// Cache the sound group (or the null, if it failed)
m_SoundGroups[name] = group;
}
else
{
group = m_SoundGroups[name];
}
// Failed to load group -> do nothing
if (!group)
return;
// Only play the sound if the entity is visible
CmpPtr<ICmpRangeManager> cmpRangeManager(GetSimContext(), SYSTEM_ENTITY);
ICmpRangeManager::ELosVisibility vis = cmpRangeManager->GetLosVisibility(source, GetSimContext().GetCurrentDisplayedPlayer());
if (vis == ICmpRangeManager::VIS_VISIBLE)
{
// Find the source's position, if possible
// (TODO: we should do something more sensible if there's no position available)
CVector3D sourcePos(0, 0, 0);
if (source != INVALID_ENTITY)
{
CmpPtr<ICmpPosition> cmpPosition(GetSimContext(), source);
if (cmpPosition && cmpPosition->IsInWorld())
sourcePos = CVector3D(cmpPosition->GetPosition());
}
group->PlayNext(sourcePos);
}
}
};
REGISTER_COMPONENT_TYPE(SoundManager)
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