Initial commit

Minecraft.World/AddMobPacket.cpp

@@ -0,0 +1,140 @@
+#include "stdafx.h"
+#include <iostream>
+#include "InputOutputStream.h"
+#include "net.minecraft.world.entity.h"
+#include "PacketListener.h"
+#include "AddMobPacket.h"
+
+
+
+AddMobPacket::AddMobPacket()
+{
+	id = -1;
+	type = 0;
+	x = 0;
+	y = 0;
+	z = 0;
+	yRot = 0;
+	xRot = 0;
+	entityData = nullptr;
+	unpack = NULL;
+}
+
+AddMobPacket::~AddMobPacket()
+{
+	delete unpack;
+}
+
+AddMobPacket::AddMobPacket(shared_ptr<Mob> mob, int yRotp, int xRotp, int xp, int yp, int zp, int yHeadRotp)
+{
+	id = mob->entityId;
+
+	type = (byte) EntityIO::getId(mob);
+	// 4J Stu - We should add entities at their "last sent" position so that the relative update packets
+	// put them in the correct place
+	x = xp;//Mth::floor(mob->x * 32);
+	y = yp;//Mth::floor(mob->y * 32);
+	z = zp;//Mth::floor(mob->z * 32);
+	// 4J - changed - send current "previously sent" value of rotations to put this in sync with other clients
+	yRot = yRotp;
+	xRot = xRotp;
+	yHeadRot = yHeadRotp;
+	//	yRot = (byte) (mob->yRot * 256 / 360);
+	//	xRot = (byte) (mob->xRot * 256 / 360);
+	//	yHeadRot = (byte) (mob->yHeadRot * 256 / 360);
+
+	// From SetEntityMotionpacket
+	double m = 3.9;
+	double xd = mob->xd;
+	double yd = mob->yd;
+	double zd = mob->zd;
+	if (xd < -m) xd = -m;
+	if (yd < -m) yd = -m;
+	if (zd < -m) zd = -m;
+	if (xd > m) xd = m;
+	if (yd > m) yd = m;
+	if (zd > m) zd = m;
+	this->xd = (int) (xd * 8000.0);
+	this->yd = (int) (yd * 8000.0);
+	this->zd = (int) (zd * 8000.0);
+
+	//	printf("%d: New add mob rot %d\n",id,yRot);
+
+	entityData = mob->getEntityData();
+	unpack = NULL;
+}
+
+void AddMobPacket::read(DataInputStream *dis) //throws IOException
+{
+	id = dis->readShort();
+	type = dis->readByte() & 0xff;
+#ifdef _LARGE_WORLDS
+	x = dis->readInt();
+	y = dis->readInt();
+	z = dis->readInt();
+#else
+	x = dis->readShort();
+	y = dis->readShort();
+	z = dis->readShort();
+#endif
+	yRot = dis->readByte();
+	xRot = dis->readByte();
+	yHeadRot = dis->readByte();
+	xd = dis->readShort();
+	yd = dis->readShort();
+	zd = dis->readShort();
+	MemSect(1);
+	unpack = SynchedEntityData::unpack(dis);
+	MemSect(0);
+}
+
+void AddMobPacket::write(DataOutputStream *dos) //throws IOException
+{
+	dos->writeShort(id);
+	dos->writeByte(type & 0xff);
+#ifdef _LARGE_WORLDS
+	dos->writeInt(x);
+	dos->writeInt(y);
+	dos->writeInt(z);
+#else
+	dos->writeShort(x);
+	dos->writeShort(y);
+	dos->writeShort(z);
+#endif
+	dos->writeByte(yRot);
+	dos->writeByte(xRot);
+	dos->writeByte(yHeadRot);
+	dos->writeShort(xd);
+	dos->writeShort(yd);
+	dos->writeShort(zd);
+	entityData->packAll(dos);
+}
+
+void AddMobPacket::handle(PacketListener *listener)
+{
+	listener->handleAddMob(shared_from_this());
+}
+
+int AddMobPacket::getEstimatedSize() 
+{
+	int size = 11;
+	if( entityData != NULL )
+	{
+		size += entityData->getSizeInBytes();
+	}
+	else if( unpack != NULL )
+	{
+		// 4J Stu - This is an incoming value which we aren't currently analysing
+		//size += unpack->get
+	}
+	return size;
+}
+
+vector<shared_ptr<SynchedEntityData::DataItem> > *AddMobPacket::getUnpackedData() 
+{
+	if (unpack == NULL)
+	{
+		unpack = entityData->getAll();
+	}
+	return unpack;
+}