Function IsDesignationChanged

plugins/remotefortressreader/remotefortressreader.cpp:670–684

std::map<DFCoord, uint16_t> waterHashes;

bool IsDesignationChanged(DFCoord pos)
{
    uint16_t hash;
    df::map_block * block = Maps::getBlock(pos);
    if (block)
        hash = fletcher16((uint8_t*)(block->designation), 16 * 16 * (sizeof(df::tile_designation)));
    else
        hash = 0;
    if (waterHashes[pos] != hash)
    {
        waterHashes[pos] = hash;
        return true;
    }
    return false;
}

std::map<DFCoord, uint8_t> buildingHashes;