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111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
#include "AddEntityPacket.h"
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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/Entity.h"
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void AddEntityPacket::_init(std::shared_ptr<Entity> e, int type, int data,
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int xp, int yp, int zp, int yRotp, int xRotp) {
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id = e->entityId;
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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; //(int) floor(e->x * 32);
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y = yp; //(int) floor(e->y * 32);
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z = zp; //(int) floor(e->z * 32);
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yRot = static_cast<uint8_t>(yRotp);
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xRot = static_cast<uint8_t>(xRotp);
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this->type = type;
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this->data = data;
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if (data > -1) // 4J - changed "no data" value to be -1, we can have a
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// valid entity id of 0
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{
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double xd = e->xd;
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double yd = e->yd;
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double zd = e->zd;
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double m = 3.9;
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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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xa = (int)(xd * 8000.0);
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ya = (int)(yd * 8000.0);
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za = (int)(zd * 8000.0);
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}
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}
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AddEntityPacket::AddEntityPacket() {}
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AddEntityPacket::AddEntityPacket(std::shared_ptr<Entity> e, int type, int yRotp,
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int xRotp, int xp, int yp, int zp) {
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_init(e, type, -1, xp, yp, zp, yRotp,
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xRotp); // 4J - changed "no data" value to be -1, we can have a valid
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// entity id of 0
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}
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AddEntityPacket::AddEntityPacket(std::shared_ptr<Entity> e, int type, int data,
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int yRotp, int xRotp, int xp, int yp, int zp) {
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_init(e, type, data, xp, yp, zp, yRotp, xRotp);
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}
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void AddEntityPacket::read(DataInputStream* dis) // throws IOException TODO 4J
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// JEV add throws statement
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{
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id = dis->readShort();
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type = dis->readByte();
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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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data = dis->readInt();
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if (data > -1) // 4J - changed "no data" value to be -1, we can have a
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// valid entity id of 0
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{
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xa = dis->readShort();
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ya = dis->readShort();
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za = dis->readShort();
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}
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}
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void AddEntityPacket::write(
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DataOutputStream*
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dos) // throws IOException TODO 4J JEV add throws statement
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{
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dos->writeShort(id);
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dos->writeByte(static_cast<uint8_t>(type));
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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->writeInt(data);
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if (data > -1) // 4J - changed "no data" value to be -1, we can have a
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// valid entity id of 0
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{
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dos->writeShort(xa);
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dos->writeShort(ya);
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dos->writeShort(za);
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}
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}
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void AddEntityPacket::handle(PacketListener* listener) {
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listener->handleAddEntity(shared_from_this());
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}
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int AddEntityPacket::getEstimatedSize() { return 11 + data > -1 ? 6 : 0; }
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