61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#ifndef STAR_WORLD_CLIENT_STATE_HPP
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#define STAR_WORLD_CLIENT_STATE_HPP
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#include "StarRect.hpp"
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#include "StarNetElementSystem.hpp"
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#include "StarGameTypes.hpp"
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namespace Star {
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STAR_CLASS(WorldClientState);
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// Class to aid in network syncronization of client state such as viewing area
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// and player entity id.
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class WorldClientState {
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public:
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WorldClientState();
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// Actual area of the client visible screen (rounded to nearest block)
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RectI window() const;
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void setWindow(RectI const& window);
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// Shortcut to find the window center of the client.
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Vec2F windowCenter() const;
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// Entity of the unique main Player for this client
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EntityId playerId() const;
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void setPlayer(EntityId playerId);
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// Entities that should contribute to the monitoring regions of the client.
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List<EntityId> const& clientPresenceEntities() const;
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void setClientPresenceEntities(List<EntityId> entities);
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// All areas of the server monitored by the client, takes a function to
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// resolve an entity id to its bound box.
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List<RectI> monitoringRegions(function<Maybe<RectI>(EntityId)> entityBounds) const;
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ByteArray writeDelta();
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void readDelta(ByteArray delta);
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void reset();
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private:
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int m_windowMonitoringBorder;
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int m_presenceEntityMonitoringBorder;
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NetElementTopGroup m_netGroup;
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uint64_t m_netVersion;
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NetElementInt m_windowXMin;
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NetElementInt m_windowYMin;
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NetElementInt m_windowWidth;
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NetElementInt m_windowHeight;
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NetElementInt m_playerId;
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NetElementData<List<EntityId>> m_clientPresenceEntities;
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};
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}
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#endif
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