Cyd
2b8ca921cb
Complete disaster-recovery snapshot: engine/game source, game data assets, VC6 toolchain + DX SDKs, build outputs, deployed game, and _UNUSED archive. Large binaries in Git LFS; text preserved byte-for-byte (core.autocrlf=false, no eol attributes). See RECOVERY.md for the one-clone rebuild procedure.
90 lines
1.8 KiB
C++
90 lines
1.8 KiB
C++
#if !defined(__DQFIXED__)
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#define __DQFIXED__
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#ifndef NULL_CLASS_DEFINED
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#define NULL_CLASS_DEFINED
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class CNullClass {};
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#endif
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template <class TYPE, int nMAX, class BaseClass>
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class TDeQueueFixed : public BaseClass
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{
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protected:
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int m_nStart, m_nEnd;
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TYPE m_a[nMAX];
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public:
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TDeQueueFixed()
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{
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m_nStart = m_nEnd = 0;
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}
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~TDeQueueFixed()
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{
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}
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static int GetMax() { return nMAX; }
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int GetDataSize() const
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{
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return m_nEnd - m_nStart;
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}
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int GetFreeSize() const
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{
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return nMAX - (m_nEnd - m_nStart);
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}
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int GetFreeSizeEnd() const
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{
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return nMAX - m_nEnd;
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}
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TYPE* Prepare(int nSize)
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{
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if (GetFreeSize() >= nSize) {
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if (nMAX - m_nEnd < nSize) {
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memcpy(&m_a[0], &m_a[m_nStart], (m_nEnd - m_nStart) * sizeof(TYPE));
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m_nEnd -= m_nStart;
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m_nStart = 0;
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}
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int nEnd = m_nEnd;
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m_nEnd += nSize;
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return &m_a[nEnd];
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} else {
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return NULL;
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}
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}
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int GetBegin(TYPE*& pbBegin) const
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{
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pbBegin = (TYPE*)&m_a[m_nStart];
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return m_nEnd - m_nStart;
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}
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void CheckEmpty()
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{
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if (m_nStart >= m_nEnd) {
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m_nStart = m_nEnd = 0;
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}
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}
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void RemoveBegin(int nSize)
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{
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m_nStart += nSize;
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CheckEmpty();
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}
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void RemoveEnd(int nSize)
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{
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m_nEnd -= nSize;
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CheckEmpty();
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}
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BOOL AddData(const TYPE* pData, int nSize)
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{
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TYPE* pDest = Prepare(nSize);
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if (pDest) {
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memcpy(pDest, pData, nSize * sizeof(TYPE));
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}
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return pDest;
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}
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void FreeAll()
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{
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m_nStart = m_nEnd = 0;
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}
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};
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#endif // !defined(__DQFIXED__)
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