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mirror of https://github.com/rehlds/metamod-r.git synced 2024-12-28 15:45:37 +03:00
metamod-r/metamod/sdk_util.cpp
2016-07-04 12:07:29 +06:00

126 lines
2.9 KiB
C++

// vi: set ts=4 sw=4 :
// vim: set tw=75 :
// sdk_util.cpp - utility routines from HL SDK util.cpp
// Selected portions of dlls/util.cpp from SDK 2.1.
// Functions copied from there as needed...
// And modified to avoid buffer overflows (argh).
// Also modified to remove dependency on CBaseEntity class.
/***
*
* Copyright (c) 1999, 2000 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.
*
****/
/*
===== util.cpp ========================================================
Utility code. Really not optional after all.
*/
#include <extdll.h>
#include "sdk_util.h"
#include <string.h> // for strncpy(), etc
#include "osdep.h" // win32 vsnprintf, etc
const char * DLLINTERNAL META_UTIL_VarArgs(const char *format, ...)
{
va_list argptr;
static char string[4096];
va_start(argptr, format);
safevoid_vsnprintf(string, sizeof(string), format, argptr);
va_end(argptr);
return(string);
}
short DLLINTERNAL FixedSigned16(float value, float scale)
{
int output;
output = (int)(value * scale);
if(output > 32767)
output = 32767;
if(output < -32768)
output = -32768;
return((short)output);
}
unsigned short DLLINTERNAL FixedUnsigned16(float value, float scale)
{
int output;
output = (int)(value * scale);
if(output < 0)
output = 0;
if(output > 0xFFFF)
output = 0xFFFF;
return((unsigned short)output);
}
void DLLINTERNAL META_UTIL_HudMessage(edict_t *pEntity, const hudtextparms_t &textparms, const char *pMessage)
{
if(fast_FNullEnt(pEntity) || pEntity->free)
return;
MESSAGE_BEGIN( MSG_ONE, SVC_TEMPENTITY, NULL, pEntity );
WRITE_BYTE( TE_TEXTMESSAGE );
WRITE_BYTE( textparms.channel & 0xFF );
WRITE_SHORT( FixedSigned16( textparms.x, 1<<13 ) );
WRITE_SHORT( FixedSigned16( textparms.y, 1<<13 ) );
WRITE_BYTE( textparms.effect );
WRITE_BYTE( textparms.r1 );
WRITE_BYTE( textparms.g1 );
WRITE_BYTE( textparms.b1 );
WRITE_BYTE( textparms.a1 );
WRITE_BYTE( textparms.r2 );
WRITE_BYTE( textparms.g2 );
WRITE_BYTE( textparms.b2 );
WRITE_BYTE( textparms.a2 );
WRITE_SHORT( FixedUnsigned16( textparms.fadeinTime, 1<<8 ) );
WRITE_SHORT( FixedUnsigned16( textparms.fadeoutTime, 1<<8 ) );
WRITE_SHORT( FixedUnsigned16( textparms.holdTime, 1<<8 ) );
if(textparms.effect == 2)
WRITE_SHORT( FixedUnsigned16( textparms.fxTime, 1<<8 ) );
if(strlen( pMessage ) < 512)
{
WRITE_STRING( pMessage );
}
else
{
char tmp[512];
strncpy( tmp, pMessage, 511 );
tmp[511] = 0;
WRITE_STRING( tmp );
}
MESSAGE_END();
}