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/* Copyright (C) 2022 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/ICmpPlayerManager.h"
#include "simulation2/components/ICmpRangeManager.h"
#include "simulation2/components/ICmpValueModificationManager.h"
class CCmpVision final : public ICmpVision
{
public:
static void ClassInit(CComponentManager& componentManager)
{
componentManager.SubscribeToMessageType(MT_OwnershipChanged);
componentManager.SubscribeToMessageType(MT_ValueModification);
componentManager.SubscribeToMessageType(MT_Deserialized);
}
DEFAULT_COMPONENT_ALLOCATOR(Vision)
// Template state:
entity_pos_t m_Range, m_BaseRange;
// TODO: The reveal shore system should be replaced by a general
// system of "special" vision methods that are not ranges.
bool m_RevealShore;
static std::string GetSchema()
{
return
"<element name='Range'>"
"<data type='nonNegativeInteger'/>"
"</element>"
"<optional>"
"<element name='RevealShore'>"
"<data type='boolean'/>"
"</element>"
"</optional>";
}
void Init(const CParamNode& paramNode) override
{
m_BaseRange = m_Range = paramNode.GetChild("Range").ToFixed();
if (paramNode.GetChild("RevealShore").IsOk())
m_RevealShore = paramNode.GetChild("RevealShore").ToBool();
else
m_RevealShore = false;
}
void Deinit() override
{
}
void Serialize(ISerializer& UNUSED(serialize)) override
{
// No dynamic state to serialize
}
void Deserialize(const CParamNode& paramNode, IDeserializer& UNUSED(deserialize)) override
{
Init(paramNode);
}
void HandleMessage(const CMessage& msg, bool UNUSED(global)) override
{
switch (msg.GetType())
{
case MT_OwnershipChanged:
{
const CMessageOwnershipChanged& msgData = static_cast<const CMessageOwnershipChanged&> (msg);
if (msgData.entity != GetEntityId())
break;
ReloadRange();
break;
}
case MT_ValueModification:
{
const CMessageValueModification& msgData = static_cast<const CMessageValueModification&> (msg);
if (msgData.component != L"Vision")
break;
ReloadRange();
break;
}
case MT_Deserialized:
{
CmpPtr<ICmpValueModificationManager> cmpValueModificationManager(GetSystemEntity());
if (cmpValueModificationManager)
m_Range = cmpValueModificationManager->ApplyModifications(L"Vision/Range", m_BaseRange, GetEntityId());
break;
}
}
}
virtual void ReloadRange()
{
CmpPtr<ICmpValueModificationManager> cmpValueModificationManager(GetSystemEntity());
if (!cmpValueModificationManager)
return;
entity_pos_t newRange = cmpValueModificationManager->ApplyModifications(L"Vision/Range", m_BaseRange, GetEntityId());
if (newRange == m_Range)
return;
// 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);
}
entity_pos_t GetRange() const override
{
return m_Range;
}
bool GetRevealShore() const override
{
return m_RevealShore;
}
};
REGISTER_COMPONENT_TYPE(Vision)
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