Import code from previous AssetBuilder version

src/ZoneCommon/Zone/XBlock.h

@@ -0,0 +1,26 @@
+#pragma once
+#include <string>
+
+class XBlock
+{
+public:
+    enum Type
+    {
+        BLOCK_TYPE_TEMP,
+        BLOCK_TYPE_RUNTIME,
+        BLOCK_TYPE_DELAY,
+        BLOCK_TYPE_NORMAL
+    };
+
+    std::string m_name;
+    int m_index;
+    Type m_type;
+
+    uint8_t* m_buffer;
+    size_t m_buffer_size;
+
+    XBlock(const std::string& name, int index, Type type);
+    ~XBlock();
+
+    void Alloc(size_t blockSize);
+};