Initial commit

2026-04-03 00:22:39 -05:00
commit eca1e8c458
945 changed files with 218160 additions and 0 deletions
--- a/ZUtil/ZBinaryBufferReader.cpp
+++ b/ZUtil/ZBinaryBufferReader.cpp
@@ -0,0 +1,148 @@
+/*
+	ZBinaryBufferReader.cpp
+	Author: Chris Ertel <crertel@762studios.com>, Patrick Baggett <ptbaggett@762studios.com>
+	Created: 3/6/2013
+
+	Purpose: 
+
+	Reads a binary stream from memory.
+
+	License:
+
+	TODO
+
+*/
+
+#include <ZUtil/ZBinaryBufferReader.hpp>
+
+/*************************************************************************/
+
+uint8_t ZBinaryBufferReader::ReadU8()
+{
+	uint8_t retval = (uint8_t)Data[Offset];
+
+	++Offset;
+
+	return retval;
+}
+
+/*************************************************************************/
+
+uint16_t ZBinaryBufferReader::ReadU16()
+{
+	uint16_t value;
+	memcpy(&value, GetPosition(), sizeof(uint16_t));
+
+	if(GetStreamByteOrder() != SST_BYTEORDER_HOST)
+		value = SST_OS_ByteSwap16(value);
+
+	Offset += sizeof(uint16_t);
+	return value;
+}
+
+/*************************************************************************/
+
+uint32_t ZBinaryBufferReader::ReadU32()
+{
+	uint32_t value;
+	memcpy(&value, GetPosition(), sizeof(uint32_t));
+
+	if(GetStreamByteOrder() != SST_BYTEORDER_HOST)
+		value = SST_OS_ByteSwap32(value);
+
+	Offset += sizeof(uint32_t);
+	return value;
+}
+
+/*************************************************************************/
+
+uint64_t ZBinaryBufferReader::ReadU64()
+{
+	uint64_t value;
+	memcpy(&value, GetPosition(), sizeof(uint64_t));
+
+	if(GetStreamByteOrder() != SST_BYTEORDER_HOST)
+		value = SST_OS_ByteSwap64(value);
+
+	Offset += sizeof(uint64_t);
+	return value;
+}
+
+/*************************************************************************/
+
+void ZBinaryBufferReader::ReadU8Array(uint8_t* ptr, size_t count)
+{
+	memcpy(ptr, GetPosition(), count);
+	Offset += count;
+}
+
+/*************************************************************************/
+
+void ZBinaryBufferReader::ReadU16Array(uint16_t* ptr, size_t count)
+{
+	if(GetStreamByteOrder() == SST_BYTEORDER_HOST)
+	{
+		memcpy(ptr, GetPosition(), sizeof(uint16_t) * count);
+		Offset += sizeof(uint16_t) * count;
+	}
+	else
+	{
+		for(size_t i=0; i<count; i++)
+			ptr[i] = ReadU16();
+	}
+}
+
+/*************************************************************************/
+
+void ZBinaryBufferReader::ReadU32Array(uint32_t* ptr, size_t count)
+{
+	if(GetStreamByteOrder() == SST_BYTEORDER_HOST)
+	{
+		memcpy(ptr, GetPosition(), sizeof(uint32_t) * count);
+		Offset += sizeof(uint32_t) * count;
+	}
+	else
+	{
+		for(size_t i=0; i<count; i++)
+			ptr[i] = ReadU32();
+	}
+}
+
+/*************************************************************************/
+
+void ZBinaryBufferReader::ReadU64Array(uint64_t* ptr, size_t count)
+{
+	if(GetStreamByteOrder() == SST_BYTEORDER_HOST)
+	{
+		memcpy(ptr, GetPosition(), sizeof(uint64_t) * count);
+		Offset += sizeof(uint64_t) * count;
+	}
+	else
+	{
+		for(size_t i=0; i<count; i++)
+			ptr[i] = ReadU64();
+	}
+}
+
+/*************************************************************************/
+
+void* ZBinaryBufferReader::ReadPointer()
+{
+	uintptr_t value;
+	memcpy(&value, GetPosition(), sizeof(uintptr_t));
+
+	if(GetStreamByteOrder() != SST_BYTEORDER_HOST)
+	{
+		switch(sizeof(uintptr_t))
+		{
+			case sizeof(uint16_t): value = (uintptr_t)SST_OS_ByteSwap16((uint16_t)value); break;
+			case sizeof(uint32_t): value = (uintptr_t)SST_OS_ByteSwap32((uint32_t)value); break;
+			case sizeof(uint64_t): value = (uintptr_t)SST_OS_ByteSwap64((uint64_t)value); break;
+		}
+	}
+
+	Offset += sizeof(uintptr_t);
+	return (void*)value;
+}
+
+/*************************************************************************/