123

Cry3DEngine/Array2d.h

@@ -0,0 +1,51 @@
+#ifndef _ARRAY2D_H_
+#define _ARRAY2D_H_
+
+// Dynamic replacement for static 2d array
+template <class T> struct Array2d
+{
+  Array2d() 
+  { 
+    m_nSize = 0; 
+    m_pData = 0;
+  }
+
+  void GetMemoryUsage(ICrySizer*pSizer)
+  {
+    pSizer->AddObject (m_pData, m_nSize*m_nSize*sizeof(T));
+  }
+
+  void Allocate(int nSize) 
+  { 
+    if(m_nSize == nSize)
+      return;
+
+    delete m_pData;
+
+    m_nSize = nSize; 
+    m_pData = new T [nSize*nSize];
+    memset(m_pData, 0, nSize*nSize*sizeof(T));
+  }
+
+  ~Array2d() 
+  { 
+    delete [] m_pData;
+  }
+
+  T * m_pData;
+  int m_nSize;
+
+  T * operator [] (const int & nPos) const
+  {
+    assert(nPos>=0 && nPos<m_nSize);
+    return &m_pData[nPos*m_nSize];
+  }
+
+  void operator = (const Array2d & other)
+  {
+    Allocate(other.m_nSize);
+    memcpy(m_pData,other.m_pData,m_nSize*m_nSize*sizeof(T));
+  }
+};
+
+#endif // _ARRAY2D_H_