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https://github.com/4jcraft/4jcraft.git
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133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
#include "AddMobPacket.h"
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#include <vector>
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#include "PacketListener.h"
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#include "java/InputOutputStream/DataInputStream.h"
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#include "java/InputOutputStream/DataOutputStream.h"
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#include "minecraft/world/entity/EntityIO.h"
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#include "minecraft/world/entity/LivingEntity.h"
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#include "minecraft/world/entity/SyncedEntityData.h"
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AddMobPacket::AddMobPacket() {
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id = -1;
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type = 0;
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x = 0;
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y = 0;
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z = 0;
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yRot = static_cast<uint8_t>(0);
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xRot = static_cast<uint8_t>(0);
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entityData = nullptr;
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unpack = nullptr;
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}
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AddMobPacket::~AddMobPacket() { delete unpack; }
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AddMobPacket::AddMobPacket(std::shared_ptr<LivingEntity> mob, int yRotp,
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int xRotp, int xp, int yp, int zp, int yHeadRotp) {
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id = mob->entityId;
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type = EntityIO::getId(mob);
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// 4J Stu - We should add entities at their "last sent" position so that the
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// relative update packets put them in the correct place
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x = xp; // Mth::floor(mob->x * 32);
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y = yp; // Mth::floor(mob->y * 32);
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z = zp; // Mth::floor(mob->z * 32);
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// 4J - changed - send current "previously sent" value of rotations to put
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// this in sync with other clients
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yRot = static_cast<uint8_t>(yRotp);
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xRot = static_cast<uint8_t>(xRotp);
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yHeadRot = static_cast<uint8_t>(yHeadRotp);
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// yRot = (uint8_t) (mob->yRot * 256 / 360);
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// xRot = (uint8_t) (mob->xRot * 256 / 360);
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// yHeadRot = (uint8_t) (mob->yHeadRot * 256 / 360);
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// From SetEntityMotionpacket
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double m = 3.9;
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double xd = mob->xd;
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double yd = mob->yd;
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double zd = mob->zd;
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if (xd < -m) xd = -m;
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if (yd < -m) yd = -m;
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if (zd < -m) zd = -m;
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if (xd > m) xd = m;
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if (yd > m) yd = m;
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if (zd > m) zd = m;
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this->xd = (int)(xd * 8000.0);
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this->yd = (int)(yd * 8000.0);
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this->zd = (int)(zd * 8000.0);
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// printf("%d: New add mob rot %d\n",id,yRot);
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entityData = mob->getEntityData();
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unpack = nullptr;
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}
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void AddMobPacket::read(DataInputStream* dis) // throws IOException
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{
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id = dis->readShort();
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type = static_cast<int>(dis->readByte()) & 0xff;
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#ifdef _LARGE_WORLDS
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x = dis->readInt();
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y = dis->readInt();
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z = dis->readInt();
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#else
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x = dis->readShort();
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y = dis->readShort();
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z = dis->readShort();
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#endif
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yRot = dis->readByte();
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xRot = dis->readByte();
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yHeadRot = dis->readByte();
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xd = dis->readShort();
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yd = dis->readShort();
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zd = dis->readShort();
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unpack = SynchedEntityData::unpack(dis);
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}
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void AddMobPacket::write(DataOutputStream* dos) // throws IOException
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{
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dos->writeShort(id);
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dos->writeByte(static_cast<uint8_t>(type & 0xff));
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#ifdef _LARGE_WORLDS
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dos->writeInt(x);
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dos->writeInt(y);
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dos->writeInt(z);
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#else
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dos->writeShort(x);
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dos->writeShort(y);
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dos->writeShort(z);
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#endif
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dos->writeByte(yRot);
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dos->writeByte(xRot);
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dos->writeByte(yHeadRot);
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dos->writeShort(xd);
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dos->writeShort(yd);
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dos->writeShort(zd);
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entityData->packAll(dos);
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}
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void AddMobPacket::handle(PacketListener* listener) {
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listener->handleAddMob(shared_from_this());
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}
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int AddMobPacket::getEstimatedSize() {
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int size = 11;
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if (entityData != nullptr) {
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size += entityData->getSizeInBytes();
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} else if (unpack != nullptr) {
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// 4J Stu - This is an incoming value which we aren't currently
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// analysing
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// size += unpack->get
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}
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return size;
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}
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std::vector<std::shared_ptr<SynchedEntityData::DataItem> >*
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AddMobPacket::getUnpackedData() {
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if (unpack == nullptr) {
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unpack = entityData->getAll();
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}
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return unpack;
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}
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