0ad/source/simulation2/components/CCmpVision.cpp

121 lines
3.1 KiB
C++

/* 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 "ICmpVision.h"
#include "simulation2/MessageTypes.h"
#include "simulation2/components/ICmpOwnership.h"
#include "simulation2/components/ICmpPlayerManager.h"
#include "simulation2/components/ICmpValueModificationManager.h"
class CCmpVision : public ICmpVision
{
public:
static void ClassInit(CComponentManager& componentManager)
{
componentManager.SubscribeGloballyToMessageType(MT_ValueModification);
}
DEFAULT_COMPONENT_ALLOCATOR(Vision)
// Template state:
entity_pos_t m_Range, m_BaseRange;
bool m_RetainInFog;
bool m_AlwaysVisible;
static std::string GetSchema()
{
return
"<element name='Range'>"
"<data type='nonNegativeInteger'/>"
"</element>"
"<element name='RetainInFog'>"
"<data type='boolean'/>"
"</element>"
"<element name='AlwaysVisible'>"
"<data type='boolean'/>"
"</element>";
}
virtual void Init(const CParamNode& paramNode)
{
m_BaseRange = m_Range = paramNode.GetChild("Range").ToFixed();
m_RetainInFog = paramNode.GetChild("RetainInFog").ToBool();
m_AlwaysVisible = paramNode.GetChild("AlwaysVisible").ToBool();
}
virtual void Deinit()
{
}
virtual void Serialize(ISerializer& UNUSED(serialize))
{
// No dynamic state to serialize
}
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_ValueModification:
{
const CMessageValueModification& msgData = static_cast<const CMessageValueModification&> (msg);
if (msgData.component == L"Vision")
{
CmpPtr<ICmpValueModificationManager> cmpValueModificationManager(GetSystemEntity());
entity_pos_t newRange = cmpValueModificationManager->ApplyModifications(L"Vision/Range", m_BaseRange, GetEntityId());
if (newRange != m_Range)
{
// Update our vision range and broadcast message
entity_pos_t oldRange = m_Range;
m_Range = newRange;
CMessageVisionRangeChanged msg(GetEntityId(), oldRange, newRange);
GetSimContext().GetComponentManager().BroadcastMessage(msg);
}
}
break;
}
}
}
virtual entity_pos_t GetRange()
{
return m_Range;
}
virtual bool GetRetainInFog()
{
return m_RetainInFog;
}
virtual bool GetAlwaysVisible()
{
return m_AlwaysVisible;
}
};
REGISTER_COMPONENT_TYPE(Vision)