Initial commit.

code/qcommon/MiniHeap.h

@@ -0,0 +1,67 @@
+#if !defined(MINIHEAP_H_INC)
+#define MINIHEAP_H_INC
+
+
+class CMiniHeap
+{
+	char	*mHeap;
+	char	*mCurrentHeap;
+	int		mSize;
+#if _DEBUG
+	int		mMaxAlloc;
+#endif
+public:
+
+// reset the heap back to the start
+void ResetHeap()
+{
+#if _DEBUG
+	if ((int)mCurrentHeap - (int)mHeap>mMaxAlloc)
+	{
+		mMaxAlloc=(int)mCurrentHeap - (int)mHeap;
+	}
+#endif
+	mCurrentHeap = mHeap;
+}
+
+// initialise the heap
+CMiniHeap(int size)
+{
+	mHeap = (char *)Z_Malloc(size, TAG_GHOUL2, qtrue);
+	mSize = size;
+#if _DEBUG
+	mMaxAlloc=0;
+#endif
+	if (mHeap)
+	{
+		ResetHeap();
+	}
+}
+
+// free up the heap
+~CMiniHeap()
+{
+	if (mHeap)
+	{
+		// the quake heap will be long gone, no need to free it Z_Free(mHeap);
+	}
+}
+
+// give me some space from the heap please
+char *MiniHeapAlloc(int size)
+{
+	if (size < (mSize - ((int)mCurrentHeap - (int)mHeap)))
+	{
+		char *tempAddress =  mCurrentHeap;
+		mCurrentHeap += size;
+		return tempAddress;
+	}
+	return NULL;
+}
+
+};
+
+extern CMiniHeap *G2VertSpaceServer;
+
+
+#endif	//MINIHEAP_H_INC