From c6268483934eb2bfdcb76ae621a0be40f76209f5 Mon Sep 17 00:00:00 2001
From: Mattes D <github@xoft.cz>
Date: Sun, 22 Mar 2015 19:46:08 +0100
Subject: Unified cPacketizer across all protocols.

---
 src/Protocol/Packetizer.cpp | 102 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/Protocol/Packetizer.cpp

(limited to 'src/Protocol/Packetizer.cpp')

diff --git a/src/Protocol/Packetizer.cpp b/src/Protocol/Packetizer.cpp
new file mode 100644
index 000000000..2b27f7b2f
--- /dev/null
+++ b/src/Protocol/Packetizer.cpp
@@ -0,0 +1,102 @@
+
+// Packetizer.cpp
+
+// Implements the cPacketizer class representing a wrapper for sending a single packet over a protocol.
+
+#include "Globals.h"
+#include "Packetizer.h"
+
+
+
+
+
+/** Converts the hex digit character to its value. */
+static UInt8 HexDigitValue(char a_Character)
+{
+	switch (a_Character)
+	{
+		case '0': return 0;
+		case '1': return 1;
+		case '2': return 2;
+		case '3': return 3;
+		case '4': return 4;
+		case '5': return 5;
+		case '6': return 6;
+		case '7': return 7;
+		case '8': return 8;
+		case '9': return 9;
+		case 'a': return 10;
+		case 'b': return 11;
+		case 'c': return 12;
+		case 'd': return 13;
+		case 'e': return 14;
+		case 'f': return 15;
+		case 'A': return 10;
+		case 'B': return 11;
+		case 'C': return 12;
+		case 'D': return 13;
+		case 'E': return 14;
+		case 'F': return 15;
+		default:
+		{
+			LOGWARNING("Bad hex digit: %c", a_Character);
+			ASSERT(!"Bad hex digit");
+			return 0;
+		}
+	}
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cPacketizer:
+
+cPacketizer::~cPacketizer()
+{
+	m_Protocol.SendPacket(*this);
+}
+
+
+
+
+
+void cPacketizer::WriteByteAngle(double a_Angle)
+{
+	WriteChar(static_cast<char>(255 * a_Angle / 360));
+}
+
+
+
+
+
+void cPacketizer::WriteFPInt(double a_Value)
+{
+	Int32 Value = static_cast<Int32>(a_Value * 32);
+	WriteInt(Value);
+}
+
+
+
+
+
+void cPacketizer::WriteUUID(const AString & a_UUID)
+{
+	if (a_UUID.length() != 32)
+	{
+		LOGWARNING("%s: Attempt to send a bad uuid (length isn't 32): %s", __FUNCTION__, a_UUID.c_str());
+		ASSERT(!"Wrong uuid length!");
+		return;
+	}
+
+	for (size_t i = 0; i < 32; i += 2)
+	{
+		auto val = static_cast<UInt8>(HexDigitValue(a_UUID[i]) << 4 | HexDigitValue(a_UUID[i + 1]));
+		VERIFY(m_Out.WriteBEUInt8(val));
+	}
+}
+
+
+
+
-- 
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