leper
be1a205f91
Reviewed By: Itms Differential Revision: https://code.wildfiregames.com/D75 This was SVN commit r19156.
145 lines
3.8 KiB
C++
145 lines
3.8 KiB
C++
/* Copyright (C) 2017 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "simulation2/system/Component.h"
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#include "ICmpVision.h"
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#include "simulation2/MessageTypes.h"
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#include "simulation2/components/ICmpPlayerManager.h"
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#include "simulation2/components/ICmpRangeManager.h"
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#include "simulation2/components/ICmpValueModificationManager.h"
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class CCmpVision : public ICmpVision
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{
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public:
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static void ClassInit(CComponentManager& componentManager)
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{
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componentManager.SubscribeToMessageType(MT_OwnershipChanged);
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componentManager.SubscribeToMessageType(MT_ValueModification);
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componentManager.SubscribeToMessageType(MT_Deserialized);
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}
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DEFAULT_COMPONENT_ALLOCATOR(Vision)
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// Template state:
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entity_pos_t m_Range, m_BaseRange;
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// TODO: The reveal shore system should be replaced by a general
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// system of "special" vision methods that are not ranges.
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bool m_RevealShore;
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static std::string GetSchema()
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{
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return
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"<element name='Range'>"
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"<data type='nonNegativeInteger'/>"
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"</element>"
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"<optional>"
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"<element name='RevealShore'>"
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"<data type='boolean'/>"
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"</element>"
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"</optional>";
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}
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virtual void Init(const CParamNode& paramNode)
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{
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m_BaseRange = m_Range = paramNode.GetChild("Range").ToFixed();
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if (paramNode.GetChild("RevealShore").IsOk())
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m_RevealShore = paramNode.GetChild("RevealShore").ToBool();
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else
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m_RevealShore = false;
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}
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virtual void Deinit()
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{
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}
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virtual void Serialize(ISerializer& UNUSED(serialize))
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{
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// No dynamic state to serialize
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}
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virtual void Deserialize(const CParamNode& paramNode, IDeserializer& UNUSED(deserialize))
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{
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Init(paramNode);
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}
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virtual void HandleMessage(const CMessage& msg, bool UNUSED(global))
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{
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switch (msg.GetType())
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{
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case MT_OwnershipChanged:
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{
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const CMessageOwnershipChanged& msgData = static_cast<const CMessageOwnershipChanged&> (msg);
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if (msgData.entity != GetEntityId())
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break;
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ReloadRange();
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break;
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}
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case MT_ValueModification:
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{
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const CMessageValueModification& msgData = static_cast<const CMessageValueModification&> (msg);
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if (msgData.component != L"Vision")
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break;
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ReloadRange();
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break;
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}
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case MT_Deserialized:
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{
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CmpPtr<ICmpValueModificationManager> cmpValueModificationManager(GetSystemEntity());
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if (cmpValueModificationManager)
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m_Range = cmpValueModificationManager->ApplyModifications(L"Vision/Range", m_BaseRange, GetEntityId());
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break;
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}
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}
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}
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virtual void ReloadRange()
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{
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CmpPtr<ICmpValueModificationManager> cmpValueModificationManager(GetSystemEntity());
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if (!cmpValueModificationManager)
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return;
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entity_pos_t newRange = cmpValueModificationManager->ApplyModifications(L"Vision/Range", m_BaseRange, GetEntityId());
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if (newRange == m_Range)
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return;
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// Update our vision range and broadcast message
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entity_pos_t oldRange = m_Range;
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m_Range = newRange;
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CMessageVisionRangeChanged msg(GetEntityId(), oldRange, newRange);
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GetSimContext().GetComponentManager().BroadcastMessage(msg);
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}
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virtual entity_pos_t GetRange() const
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{
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return m_Range;
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}
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virtual bool GetRevealShore() const
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{
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return m_RevealShore;
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}
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};
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REGISTER_COMPONENT_TYPE(Vision)
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