Add SDK

src/sdk/cl_dll/demo.cpp

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+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#include "hud.h"
+#include "cl_util.h"
+#include "demo.h"
+#include "demo_api.h"
+#include <memory.h>
+#include "Exports.h"
+
+int g_demosniper = 0;
+int g_demosniperdamage = 0;
+float g_demosniperorg[3];
+float g_demosniperangles[3];
+float g_demozoom;
+
+// FIXME:  There should be buffer helper functions to avoid all of the *(int *)& crap.
+
+/*
+=====================
+Demo_WriteBuffer
+
+Write some data to the demo stream
+=====================
+*/
+void Demo_WriteBuffer( int type, int size, unsigned char *buffer )
+{
+	int pos = 0;
+	unsigned char buf[ 32 * 1024 ];
+	*( int * )&buf[pos] = type;
+	pos+=sizeof( int );
+
+	memcpy( &buf[pos], buffer, size );
+
+	// Write full buffer out
+	gEngfuncs.pDemoAPI->WriteBuffer( size + sizeof( int ), buf );
+}
+
+/*
+=====================
+Demo_ReadBuffer
+
+Engine wants us to parse some data from the demo stream
+=====================
+*/
+void CL_DLLEXPORT Demo_ReadBuffer( int size, unsigned char *buffer )
+{
+//	RecClReadDemoBuffer(size, buffer);
+
+	int type;
+	int i = 0;
+
+	type = *( int * )buffer;
+	i += sizeof( int );
+	switch ( type )
+	{
+	case TYPE_SNIPERDOT:
+		g_demosniper = *(int * )&buffer[ i ];
+		i += sizeof( int );
+		
+		if ( g_demosniper )
+		{
+			g_demosniperdamage = *( int * )&buffer[ i ];
+			i += sizeof( int );
+
+			g_demosniperangles[ 0 ] = *(float *)&buffer[i];
+			i += sizeof( float );
+			g_demosniperangles[ 1 ] = *(float *)&buffer[i];
+			i += sizeof( float );
+			g_demosniperangles[ 2 ] = *(float *)&buffer[i];
+			i += sizeof( float );
+			g_demosniperorg[ 0 ] = *(float *)&buffer[i];
+			i += sizeof( float );
+			g_demosniperorg[ 1 ] = *(float *)&buffer[i];
+			i += sizeof( float );
+			g_demosniperorg[ 2 ] = *(float *)&buffer[i];
+			i += sizeof( float );
+		}
+		break;
+	case TYPE_ZOOM:
+		g_demozoom = *(float * )&buffer[ i ];
+		i += sizeof( float );
+		break;
+	default:
+		gEngfuncs.Con_DPrintf( "Unknown demo buffer type, skipping.\n" );
+		break;
+	}
+}