After experimenting with a long running average at maxed out FPS and a variety of map sizes, 128 seems to actually be a good size to use if only drawing bits of world with stuff in it. 64 actually did even better in some situations, but significantly worse in others (lots of land, zoomed out).
#ifndef QUACRC32_H
#define QUACRC32_H
#include "quachecksum32.h"
///CRC32 checksum
/** \class QuaCrc32 quacrc32.h <quazip/quacrc32.h>
* This class wrappers the crc32 function with the QuaChecksum32 interface.
* See QuaChecksum32 for more info.
*/
class QUAZIP_EXPORT QuaCrc32 : public QuaChecksum32 {
public:
QuaCrc32();
quint32 calculate(const QByteArray &data);
void reset();
void update(const QByteArray &buf);
quint32 value();
private:
quint32 checksum;
};
#endif //QUACRC32_H