cube-game-plus-plus/client/packets/WorldPackets.cpp

#include "client/packets/WorldPackets.h"
#include "client/Game.h"
#include "common/network/Packets.h"
#include "utils/Logger.h"

void WorldPackets::receiveChunk(World& w, InPacket& in) {
    LOG_DEBUG("received chunk from server");
    int32 ox;
    int32 oz;
    if(in.readS32(ox) || in.readS32(oz)) {
        LOG_WARNING("missing chunk offset in packet");
        return;
    }
    uint16 counter = 0;
    const Block* b = &Game::blockRegistry.getBlock("air");
    for(int y = 0; y < w.getHeight(); y++) {
        for(int x = 0; x < BlockStorage::SEGMENT; x++) {
            for(int z = 0; z < BlockStorage::SEGMENT; z++) {
                if(counter == 0) {
                    BlockId id;
                    if(in.readU16(id) || in.readU16(counter)) {
                        LOG_WARNING("missing block data in packet");
                        return;
                    }
                    b = &Game::blockRegistry.getBlock(id);
                }
                w.setBlock(ox + x, y, oz + z, *b);
                counter--;
            }
        }
    }
    w.dirty = true;
}