TONY: Implemented RMGameBoxes class and all dependent classes

1 files changed, 145 insertions, 0 deletions

diff --git a/engines/tony/mpal/memory.cpp b/engines/tony/mpal/memory.cpp
new file mode 100644
index 0000000000..604e61ed24
--- /dev/null
+++ b/engines/tony/mpal/memory.cpp
@@ -0,0 +1,145 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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.
+ *
+ *
+ */
+
+#include "common/textconsole.h"
+#include "tony/mpal/memory.h"
+
+namespace Tony {
+
+namespace MPAL {
+
+/****************************************************************************\
+*       MemoryItem methods
+\****************************************************************************/
+
+/**
+ * Constructor
+ * @param					Data sizee
+ */
+MemoryItem::MemoryItem(uint32 size) {
+	_size = size;
+	_buffer = (size == 0) ? NULL : new byte[size];
+}
+
+/**
+ * Destructor
+ */
+MemoryItem::~MemoryItem() {
+	delete[] _buffer;
+}
+
+/**
+ * Returns a pointer to the resource
+ */
+MemoryItem::operator void *() {
+	return DataPointer();
+}
+
+/****************************************************************************\
+*       MemoryManager methods
+\****************************************************************************/
+
+MemoryManager::MemoryManager() {
+}
+
+/**
+ * Destructor
+ */
+MemoryManager::~MemoryManager() {
+	Common::List<MemoryItem *>::iterator i;
+	for (i = _memoryBlocks.begin(); i != _memoryBlocks.end(); ++i) {
+		MemoryItem *item = *i;
+		delete item;
+	}
+}
+
+/**
+ * Allocates a new memory block
+ * @returns					Returns a MemoryItem instance for the new block
+ */
+MemoryItem &MemoryManager::allocate(uint32 size) {
+	MemoryItem *newItem = new MemoryItem(size);
+	_memoryBlocks.push_back(newItem);
+
+	return *newItem;
+}
+
+/**
+ * Allocates a new memory block and returns it's data pointer
+ * @returns					Data pointer to allocated block
+ */
+HGLOBAL MemoryManager::alloc(uint32 size) {
+	MemoryItem &newItem = allocate(size);
+	return (HGLOBAL)newItem.DataPointer();
+}
+
+/**
+ * Returns a reference to the MemoryItem for a gien byte pointer
+ * @param block				Byte pointer
+ */
+MemoryItem &MemoryManager::getItem(HGLOBAL handle) {
+	Common::List<MemoryItem *>::iterator i;
+	for (i = _memoryBlocks.begin(); i != _memoryBlocks.end(); ++i) {
+		MemoryItem *item = *i;
+		if (item->DataPointer() == handle)
+			return *item;
+	}
+
+	error("Could not locate a memory block");
+}
+
+/**
+ * Square bracketes operator 
+ * @param block				Byte pointer
+ */
+MemoryItem &MemoryManager::operator[](HGLOBAL handle) {
+	return getItem(handle);
+}
+
+/**
+ * Returns a size of a memory block given it's pointer
+ */
+uint32 MemoryManager::getSize(HGLOBAL handle) {
+	MemoryItem &item = getItem(handle);
+	return item.Size();
+}
+
+/**
+ * Erases a given item
+ */
+void MemoryManager::erase(MemoryItem &item) {
+	delete item;
+	_memoryBlocks.remove(&item);
+}
+
+/**
+ * Erases a given item
+ */
+void MemoryManager::erase(HGLOBAL handle) {
+	MemoryItem &item = getItem(handle);
+	erase(item);
+}
+
+} // end of namespace MPAL
+
+} // end of namespace Tony