C++ FSerializer::isWriting方法代码示例

void FRemapTable::StaticSerializeTranslations(FSerializer &arc)
{
	if (arc.BeginArray("translations"))
	{
		// Does this level have custom translations?
		FRemapTable *trans;
		int w;
		if (arc.isWriting())
		{
			for (unsigned int i = 0; i < translationtables[TRANSLATION_LevelScripted].Size(); ++i)
			{
				trans = translationtables[TRANSLATION_LevelScripted][i];
				if (trans != NULL && !trans->IsIdentity())
				{
					if (arc.BeginObject(nullptr))
					{
						arc("index", i);
						trans->Serialize(arc);
						arc.EndObject();
					}
				}
			}
		}
		else
		{
			while (arc.BeginObject(nullptr))
			{
				arc("index", w);
				trans = translationtables[TRANSLATION_LevelScripted].GetVal(w);
				if (trans == NULL)
				{
					trans = new FRemapTable;
					translationtables[TRANSLATION_LevelScripted].SetVal(w, trans);
				}
				trans->Serialize(arc);
				arc.EndObject();
			}
		}
		arc.EndArray();
	}
}

void P_SerializeSounds(FSerializer &arc)
{
	S_SerializeSounds(arc);
	DSeqNode::SerializeSequences (arc);
	const char *name = NULL;
	BYTE order;

	if (arc.isWriting())
	{
		order = S_GetMusic(&name);
	}
	arc.StringPtr("musicname", name)
		("musicorder", order);

	if (arc.isReading())
	{
		if (!S_ChangeMusic(name, order))
			if (level.cdtrack == 0 || !S_ChangeCDMusic(level.cdtrack, level.cdid))
				S_ChangeMusic(level.Music, level.musicorder);
	}
}

void G_SerializeLevel(FSerializer &arc, bool hubload)
{
	int i = level.totaltime;

	if (arc.isWriting())
	{
		arc.Array("checksum", level.md5, 16);
	}
	else
	{
		// prevent bad things from happening by doing a check on the size of level arrays and the map's entire checksum.
		// The old code happily tried to load savegames with any mismatch here, often causing meaningless errors
		// deep down in the deserializer or just a crash if the few insufficient safeguards were not triggered.
		BYTE chk[16] = { 0 };
		arc.Array("checksum", chk, 16);
		if (arc.GetSize("linedefs") != (unsigned)numlines ||
			arc.GetSize("sidedefs") != (unsigned)numsides ||
			arc.GetSize("sectors") != (unsigned)numsectors ||
			arc.GetSize("polyobjs") != (unsigned)po_NumPolyobjs ||
			memcmp(chk, level.md5, 16))
		{
			I_Error("Savegame is from a different level");
		}
	}
	arc("saveversion", SaveVersion);

	Renderer->StartSerialize(arc);
	if (arc.isReading())
	{
		DThinker::DestroyAllThinkers();
		interpolator.ClearInterpolations();
		arc.ReadObjects(hubload);
	}

	arc("level.flags", level.flags)
		("level.flags2", level.flags2)
		("level.fadeto", level.fadeto)
		("level.found_secrets", level.found_secrets)
		("level.found_items", level.found_items)
		("level.killed_monsters", level.killed_monsters)
		("level.total_secrets", level.total_secrets)
		("level.total_items", level.total_items)
		("level.total_monsters", level.total_monsters)
		("level.gravity", level.gravity)
		("level.aircontrol", level.aircontrol)
		("level.teamdamage", level.teamdamage)
		("level.maptime", level.maptime)
		("level.totaltime", i)
		("level.skytexture1", level.skytexture1)
		("level.skytexture2", level.skytexture2);

	// Hub transitions must keep the current total time
	if (!hubload)
		level.totaltime = i;

	if (arc.isReading())
	{
		sky1texture = level.skytexture1;
		sky2texture = level.skytexture2;
		R_InitSkyMap();
		G_AirControlChanged();
	}



	// fixme: This needs to ensure it reads from the correct place. Should be one once there's enough of this code converted to JSON

	FBehavior::StaticSerializeModuleStates(arc);
	// The order here is important: First world state, then portal state, then thinkers, and last polyobjects.
	arc.Array("linedefs", lines, &loadlines[0], numlines);
	arc.Array("sidedefs", sides, &loadsides[0], numsides);
	arc.Array("sectors", sectors, &loadsectors[0], numsectors);
	arc("zones", Zones);
	arc("lineportals", linePortals);
	arc("sectorportals", sectorPortals);
	if (arc.isReading()) P_CollectLinkedPortals();

	DThinker::SerializeThinkers(arc, !hubload);
	arc.Array("polyobjs", polyobjs, po_NumPolyobjs);
	arc("subsectors", subsectors);
	StatusBar->SerializeMessages(arc);
	AM_SerializeMarkers(arc);
	FRemapTable::StaticSerializeTranslations(arc);
	FCanvasTextureInfo::Serialize(arc);
	P_SerializePlayers(arc, hubload);
	P_SerializeSounds(arc);

	if (arc.isReading())
	{
		for (int i = 0; i < numsectors; i++)
		{
			P_Recalculate3DFloors(&sectors[i]);
		}
		for (int i = 0; i < MAXPLAYERS; ++i)
		{
			if (playeringame[i] && players[i].mo != NULL)
			{
				players[i].mo->SetupWeaponSlots();
			}
		}
//.........这里部分代码省略.........

void P_SerializePlayers(FSerializer &arc, bool skipload)
{
	int numPlayers, numPlayersNow;
	int i;

	// Count the number of players present right now.
	for (numPlayersNow = 0, i = 0; i < MAXPLAYERS; ++i)
	{
		if (playeringame[i])
		{
			++numPlayersNow;
		}
	}

	if (arc.isWriting())
	{
		// Record the number of players in this save.
		arc("numplayers", numPlayersNow);
		if (arc.BeginArray("players"))
		{
			// Record each player's name, followed by their data.
			for (i = 0; i < MAXPLAYERS; ++i)
			{
				if (playeringame[i])
				{
					if (arc.BeginObject(nullptr))
					{
						const char *n = players[i].userinfo.GetName();
						arc.StringPtr("playername", n);
						players[i].Serialize(arc);
						arc.EndObject();
					}
				}
			}
			arc.EndArray();
		}
	}
	else
	{
		arc("numplayers", numPlayers);

		if (arc.BeginArray("players"))
		{
			// If there is only one player in the game, they go to the
			// first player present, no matter what their name.
			if (numPlayers == 1)
			{
				ReadOnePlayer(arc, skipload);
			}
			else
			{
				ReadMultiplePlayers(arc, numPlayers, numPlayersNow, skipload);
			}
			arc.EndArray();
		}
		if (!skipload && numPlayersNow > numPlayers)
		{
			SpawnExtraPlayers();
		}
		// Redo pitch limits, since the spawned player has them at 0.
		players[consoleplayer].SendPitchLimits();
	}
}