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https://github.com/rehlds/metamod-r.git
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126 lines
2.9 KiB
C++
126 lines
2.9 KiB
C++
// vi: set ts=4 sw=4 :
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// vim: set tw=75 :
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// sdk_util.cpp - utility routines from HL SDK util.cpp
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// Selected portions of dlls/util.cpp from SDK 2.1.
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// Functions copied from there as needed...
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// And modified to avoid buffer overflows (argh).
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// Also modified to remove dependency on CBaseEntity class.
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/***
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*
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* Copyright (c) 1999, 2000 Valve LLC. All rights reserved.
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*
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* This product contains software technology licensed from Id
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* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
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* All Rights Reserved.
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*
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* Use, distribution, and modification of this source code and/or resulting
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* object code is restricted to non-commercial enhancements to products from
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* Valve LLC. All other use, distribution, or modification is prohibited
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* without written permission from Valve LLC.
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*
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****/
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/*
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===== util.cpp ========================================================
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Utility code. Really not optional after all.
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*/
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#include <extdll.h>
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#include "sdk_util.h"
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#include <string.h> // for strncpy(), etc
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#include "osdep.h" // win32 vsnprintf, etc
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const char * DLLINTERNAL META_UTIL_VarArgs(const char *format, ...)
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{
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va_list argptr;
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static char string[4096];
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va_start(argptr, format);
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safevoid_vsnprintf(string, sizeof(string), format, argptr);
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va_end(argptr);
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return(string);
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}
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short DLLINTERNAL FixedSigned16(float value, float scale)
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{
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int output;
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output = (int)(value * scale);
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if(output > 32767)
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output = 32767;
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if(output < -32768)
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output = -32768;
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return((short)output);
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}
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unsigned short DLLINTERNAL FixedUnsigned16(float value, float scale)
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{
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int output;
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output = (int)(value * scale);
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if(output < 0)
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output = 0;
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if(output > 0xFFFF)
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output = 0xFFFF;
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return((unsigned short)output);
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}
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void DLLINTERNAL META_UTIL_HudMessage(edict_t *pEntity, const hudtextparms_t &textparms, const char *pMessage)
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{
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if(fast_FNullEnt(pEntity) || pEntity->free)
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return;
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MESSAGE_BEGIN( MSG_ONE, SVC_TEMPENTITY, NULL, pEntity );
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WRITE_BYTE( TE_TEXTMESSAGE );
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WRITE_BYTE( textparms.channel & 0xFF );
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WRITE_SHORT( FixedSigned16( textparms.x, 1<<13 ) );
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WRITE_SHORT( FixedSigned16( textparms.y, 1<<13 ) );
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WRITE_BYTE( textparms.effect );
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WRITE_BYTE( textparms.r1 );
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WRITE_BYTE( textparms.g1 );
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WRITE_BYTE( textparms.b1 );
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WRITE_BYTE( textparms.a1 );
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WRITE_BYTE( textparms.r2 );
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WRITE_BYTE( textparms.g2 );
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WRITE_BYTE( textparms.b2 );
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WRITE_BYTE( textparms.a2 );
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WRITE_SHORT( FixedUnsigned16( textparms.fadeinTime, 1<<8 ) );
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WRITE_SHORT( FixedUnsigned16( textparms.fadeoutTime, 1<<8 ) );
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WRITE_SHORT( FixedUnsigned16( textparms.holdTime, 1<<8 ) );
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if(textparms.effect == 2)
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WRITE_SHORT( FixedUnsigned16( textparms.fxTime, 1<<8 ) );
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if(strlen( pMessage ) < 512)
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{
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WRITE_STRING( pMessage );
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}
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else
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{
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char tmp[512];
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strncpy( tmp, pMessage, 511 );
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tmp[511] = 0;
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WRITE_STRING( tmp );
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}
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MESSAGE_END();
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}
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