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/*
* NetPacksBase.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include "../constants/EntityIdentifiers.h"
#include "../serializer/Serializeable.h"
VCMI_LIB_NAMESPACE_BEGIN
class CGameState;
class CConnection;
class ICPackVisitor;
struct DLL_LINKAGE CPack : public Serializeable
{
/// Pointer to connection that pack received from
/// Only set & used on server
std::shared_ptr<CConnection> c;
CPack() = default;
virtual ~CPack() = default;
template <typename Handler> void serialize(Handler &h)
{
logNetwork->error("CPack serialized... this should not happen!");
throw std::runtime_error("CPack serialized... this should not happen!");
}
void visit(ICPackVisitor & cpackVisitor);
protected:
/// <summary>
/// For basic types of netpacks hierarchy like CPackForClient. Called first.
/// </summary>
virtual void visitBasic(ICPackVisitor & cpackVisitor);
/// <summary>
/// For leaf types of netpacks hierarchy. Called after visitBasic.
/// </summary>
virtual void visitTyped(ICPackVisitor & cpackVisitor);
};
struct DLL_LINKAGE CPackForClient : public CPack
{
virtual void applyGs(CGameState * gs) = 0;
protected:
void visitBasic(ICPackVisitor & cpackVisitor) override;
};
struct DLL_LINKAGE Query : public CPackForClient
{
QueryID queryID; // equals to -1 if it is not an actual query (and should not be answered)
};
struct DLL_LINKAGE CPackForServer : public CPack
{
mutable PlayerColor player = PlayerColor::NEUTRAL;
mutable uint32_t requestID = 0;
template <typename Handler> void serialize(Handler &h)
{
h & player;
h & requestID;
}
protected:
void visitBasic(ICPackVisitor & cpackVisitor) override;
};
struct DLL_LINKAGE CPackForLobby : public CPack
{
virtual bool isForServer() const;
protected:
void visitBasic(ICPackVisitor & cpackVisitor) override;
};
VCMI_LIB_NAMESPACE_END
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