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halflife-sdk-steam/cl_dll/demo.cpp

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2.4 KiB
C++

/***
*
* 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;
}
}