4jcraft/Minecraft.World/Network/Packets/ExplodePacket.cpp

#include "../../Platform/stdafx.h"
#include <iostream>
#include "../../IO/Streams/InputOutputStream.h"
#include "../../Headers/net.minecraft.world.level.h"
#include "PacketListener.h"
#include "ExplodePacket.h"

ExplodePacket::ExplodePacket() {
    x = 0;
    y = 0;
    z = 0;
    r = 0.0f;
    m_bKnockbackOnly = false;
    knockbackX = 0.0f;
    knockbackY = 0.0f;
    knockbackZ = 0.0f;
}

ExplodePacket::ExplodePacket(
    double x, double y, double z, float r,
    std::unordered_set<TilePos, TilePosKeyHash, TilePosKeyEq>* toBlow,
    Vec3* knockback, bool knockBackOnly) {
    this->x = x;
    this->y = y;
    this->z = z;
    this->r = r;
    m_bKnockbackOnly = knockBackOnly;

    if (toBlow != nullptr) {
        this->toBlow.assign(toBlow->begin(), toBlow->end());
        // for( auto it = toBlow->begin(); it != toBlow->end(); it++ )
        //{
        //	this->toBlow.push_back(*it);
        // }
    }

    if (knockback != nullptr) {
        knockbackX = (float)knockback->x;
        knockbackY = (float)knockback->y;
        knockbackZ = (float)knockback->z;
    }
}

void ExplodePacket::read(DataInputStream* dis)  // throws IOException
{
    m_bKnockbackOnly = dis->readBoolean();

    if (!m_bKnockbackOnly) {
        x = dis->readDouble();
        y = dis->readDouble();
        z = dis->readDouble();
        r = dis->readFloat();
        int count = dis->readInt();

        int xp = (int)x;
        int yp = (int)y;
        int zp = (int)z;
        for (int i = 0; i < count; i++) {
            int xx = ((signed char)dis->readByte()) + xp;
            int yy = ((signed char)dis->readByte()) + yp;
            int zz = ((signed char)dis->readByte()) + zp;
            toBlow.push_back(TilePos(xx, yy, zz));
        }
    }

    knockbackX = dis->readFloat();
    knockbackY = dis->readFloat();
    knockbackZ = dis->readFloat();
}

void ExplodePacket::write(DataOutputStream* dos)  // throws IOException
{
    dos->writeBoolean(m_bKnockbackOnly);

    if (!m_bKnockbackOnly) {
        dos->writeDouble(x);
        dos->writeDouble(y);
        dos->writeDouble(z);
        dos->writeFloat(r);
        dos->writeInt((int)toBlow.size());

        int xp = (int)x;
        int yp = (int)y;
        int zp = (int)z;

        //(Myset::const_iterator it = c1.begin();
        // it != c1.end(); ++it)

        for (auto it = toBlow.begin(); it != toBlow.end(); it++) {
            TilePos tp = *it;

            int xx = tp.x - xp;
            int yy = tp.y - yp;
            int zz = tp.z - zp;
            dos->writeByte((uint8_t)xx);
            dos->writeByte((uint8_t)yy);
            dos->writeByte((uint8_t)zz);
        }
    }

    dos->writeFloat(knockbackX);
    dos->writeFloat(knockbackY);
    dos->writeFloat(knockbackZ);
}

void ExplodePacket::handle(PacketListener* listener) {
    listener->handleExplosion(shared_from_this());
}

int ExplodePacket::getEstimatedSize() {
    return 8 * 3 + 4 + 4 + (int)toBlow.size() * 3 + 12;
}

float ExplodePacket::getKnockbackX() { return knockbackX; }

float ExplodePacket::getKnockbackY() { return knockbackY; }

float ExplodePacket::getKnockbackZ() { return knockbackZ; }