1 files changed, 70 insertions, 0 deletions
diff --git a/engines/sword2/memory.h b/engines/sword2/memory.h
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+++ b/engines/sword2/memory.h
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+/* Copyright (C) 1994-1998 Revolution Software Ltd.
+ * Copyright (C) 2003-2006 The ScummVM project
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef	MEMORY_H
+#define	MEMORY_H
+
+#define MAX_MEMORY_BLOCKS 999
+
+namespace Sword2 {
+
+struct MemBlock {
+	int16 id;
+	int16 uid;
+	byte *ptr;
+	uint32 size;
+};
+
+class MemoryManager {
+private:
+	Sword2Engine *_vm;
+
+	MemBlock *_memBlocks;
+	MemBlock **_memBlockIndex;
+	int16 _numBlocks;
+
+	uint32 _totAlloc;
+
+	int16 *_idStack;
+	int16 _idStackPtr;
+
+	int16 findExactPointerInIndex(byte *ptr);
+	int16 findPointerInIndex(byte *ptr);
+	int16 findInsertionPointInIndex(byte *ptr);
+
+public:
+	MemoryManager(Sword2Engine *vm);
+	~MemoryManager();
+
+	int16 getNumBlocks() { return _numBlocks; }
+	uint32 getTotAlloc() { return _totAlloc; }
+	MemBlock *getMemBlocks() { return _memBlocks; }
+
+	int32 encodePtr(byte *ptr);
+	byte *decodePtr(int32 n);
+
+	byte *memAlloc(uint32 size, int16 uid);
+	void memFree(byte *ptr);
+};
+
+} // End of namespace Sword2
+
+#endif