NS/releases/valve/source/HPB_bot/dlls/util.cpp

/***
*
*  Copyright (c) 1999, 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.
*
****/

//
// HPB_bot - botman's High Ping Bastard bot
//
// (http://planethalflife.com/botman/)
//
// util.cpp
//

#include "extdll.h"
#include "util.h"
#include "HPB_bot/engine/engine.h"
#include "dlls/cbase.h"
#include "dlls/player.h"

#include "bot.h"
#include "bot_func.h"


extern int mod_id;
extern bot_t bots[32];
extern edict_t *pent_info_ctfdetect;
extern char team_names[MAX_TEAMS][MAX_TEAMNAME_LENGTH];
extern int num_teams;

int gmsgTextMsg = 0;
int gmsgSayText = 0;
int gmsgShowMenu = 0;


Vector UTIL_VecToAngles( const Vector &vec )
{
   float rgflVecOut[3];
   VEC_TO_ANGLES(vec, rgflVecOut);
   return Vector(rgflVecOut);
}


// Overloaded to add IGNORE_GLASS
void UTIL_TraceLine( const Vector &vecStart, const Vector &vecEnd, IGNORE_MONSTERS igmon, IGNORE_GLASS ignoreGlass, edict_t *pentIgnore, TraceResult *ptr )
{
   TRACE_LINE( vecStart, vecEnd, (igmon == ignore_monsters ? TRUE : FALSE) | (ignoreGlass?0x100:0), pentIgnore, ptr );
}


void UTIL_TraceLine( const Vector &vecStart, const Vector &vecEnd, IGNORE_MONSTERS igmon, edict_t *pentIgnore, TraceResult *ptr )
{
   TRACE_LINE( vecStart, vecEnd, (igmon == ignore_monsters ? TRUE : FALSE), pentIgnore, ptr );
}


void UTIL_MakeVectors( const Vector &vecAngles )
{
   MAKE_VECTORS( vecAngles );
}


edict_t *UTIL_FindEntityInSphere( edict_t *pentStart, const Vector &vecCenter, float flRadius )
{
   edict_t  *pentEntity;

   pentEntity = FIND_ENTITY_IN_SPHERE( pentStart, vecCenter, flRadius);

   if (!FNullEnt(pentEntity))
      return pentEntity;

   return NULL;
}


edict_t *UTIL_FindEntityByString( edict_t *pentStart, const char *szKeyword, const char *szValue )
{
   edict_t *pentEntity;

   pentEntity = FIND_ENTITY_BY_STRING( pentStart, szKeyword, szValue );

   if (!FNullEnt(pentEntity))
      return pentEntity;
   return NULL;
}

edict_t *UTIL_FindEntityByClassname( edict_t *pentStart, const char *szName )
{
   return UTIL_FindEntityByString( pentStart, "classname", szName );
}

edict_t *UTIL_FindEntityByTargetname( edict_t *pentStart, const char *szName )
{
   return UTIL_FindEntityByString( pentStart, "targetname", szName );
}


int UTIL_PointContents( const Vector &vec )
{
   return POINT_CONTENTS(vec);
}


void UTIL_SetSize( entvars_t *pev, const Vector &vecMin, const Vector &vecMax )
{
   SET_SIZE( ENT(pev), vecMin, vecMax );
}


void UTIL_SetOrigin( entvars_t *pev, const Vector &vecOrigin )
{
   SET_ORIGIN(ENT(pev), vecOrigin );
}


void ClientPrint( edict_t *pEntity, int msg_dest, const char *msg_name)
{
//   if (gmsgTextMsg == 0)
//      gmsgTextMsg = REG_USER_MSG( "TextMsg", -1 );
//
//   pfnMessageBegin( MSG_ONE, gmsgTextMsg, NULL, pEntity );
//
//   pfnWriteByte( msg_dest );
//   pfnWriteString( msg_name );
//   pfnMessageEnd();
}

void UTIL_SayText( const char *pText, edict_t *pEdict )
{
//   if (gmsgSayText == 0)
//      gmsgSayText = REG_USER_MSG( "SayText", -1 );
//
//   pfnMessageBegin( MSG_ONE, gmsgSayText, NULL, pEdict );
//      pfnWriteByte( ENTINDEX(pEdict) );
//      if (mod_id == FRONTLINE_DLL)
//         pfnWriteShort(0);
//      pfnWriteString( pText );
//   pfnMessageEnd();
}


void UTIL_HostSay( edict_t *pEntity, int teamonly, char *message )
{
//   int   j;
//   char  text[128];
//   char *pc;
//   int   sender_team, player_team;
//   edict_t *client;
//
//   // make sure the text has content
//   for ( pc = message; pc != NULL && *pc != 0; pc++ )
//   {
//      if ( isprint( *pc ) && !isspace( *pc ) )
//      {
//         pc = NULL;   // we've found an alphanumeric character,  so text is valid
//         break;
//      }
//   }
//
//   if ( pc != NULL )
//      return;  // no character found, so say nothing
//
//   // turn on color set 2  (color on,  no sound)
//   if ( teamonly )
//      sprintf( text, "%c(TEAM) %s: ", 2, STRING( pEntity->v.netname ) );
//   else
//      sprintf( text, "%c%s: ", 2, STRING( pEntity->v.netname ) );
//
//   j = sizeof(text) - 2 - strlen(text);  // -2 for /n and null terminator
//   if ( (int)strlen(message) > j )
//      message[j] = 0;
//
//   strcat( text, message );
//   strcat( text, "\n" );
//
//   // loop through all players
//   // Start with the first player.
//   // This may return the world in single player if the client types something between levels or during spawn
//   // so check it, or it will infinite loop
//
//   if (gmsgSayText == 0)
//      gmsgSayText = REG_USER_MSG( "SayText", -1 );
//
//   sender_team = UTIL_GetTeam(pEntity);
//
//   client = NULL;
//   while ( ((client = UTIL_FindEntityByClassname( client, "player" )) != NULL) &&
//           (!FNullEnt(client)) ) 
//   {
//      if ( client == pEntity )  // skip sender of message
//         continue;
//
//      player_team = UTIL_GetTeam(client);
//
//      if ( teamonly && (sender_team != player_team) )
//         continue;
//
//      pfnMessageBegin( MSG_ONE, gmsgSayText, NULL, client );
//         pfnWriteByte( ENTINDEX(pEntity) );
//         if (mod_id == FRONTLINE_DLL)
//            pfnWriteShort(0);
//         pfnWriteString( text );
//      pfnMessageEnd();
//   }
//
//   // print to the sending client
//   pfnMessageBegin( MSG_ONE, gmsgSayText, NULL, pEntity );
//      pfnWriteByte( ENTINDEX(pEntity) );
//      if (mod_id == FRONTLINE_DLL)
//         pfnWriteShort(0);
//      pfnWriteString( text );
//   pfnMessageEnd();
//   
//   // echo to server console
//   g_engfuncs.pfnServerPrint( text );
}


#ifdef   DEBUG
edict_t *DBG_EntOfVars( const entvars_t *pev )
{
   if (pev->pContainingEntity != NULL)
      return pev->pContainingEntity;
   ALERT(at_console, "entvars_t pContainingEntity is NULL, calling into engine");
   edict_t* pent = (*g_engfuncs.pfnFindEntityByVars)((entvars_t*)pev);
   if (pent == NULL)
      ALERT(at_console, "DAMN!  Even the engine couldn't FindEntityByVars!");
   ((entvars_t *)pev)->pContainingEntity = pent;
   return pent;
}
#endif //DEBUG


// return team number 0 through 3 based what MOD uses for team numbers
int UTIL_GetTeam(edict_t *pEntity)
{
   if (mod_id == TFC_DLL)
   {
      return pEntity->v.team - 1;  // TFC teams are 1-4 based
   }
   else if (mod_id == CSTRIKE_DLL)
   {
      char *infobuffer;
      char model_name[32];

      infobuffer = (*g_engfuncs.pfnGetInfoKeyBuffer)( pEntity );
      strcpy(model_name, (g_engfuncs.pfnInfoKeyValue(infobuffer, "model")));

      if ((strcmp(model_name, "terror") == 0) ||  // Phoenix Connektion
          (strcmp(model_name, "arab") == 0) ||    // old L337 Krew
          (strcmp(model_name, "leet") == 0) ||    // L337 Krew
          (strcmp(model_name, "artic") == 0) ||   // Artic Avenger
          (strcmp(model_name, "guerilla") == 0))  // Gorilla Warfare
      {
         return 0;
      }
      else if ((strcmp(model_name, "urban") == 0) ||  // Seal Team 6
               (strcmp(model_name, "gsg9") == 0) ||   // German GSG-9
               (strcmp(model_name, "sas") == 0) ||    // UK SAS
               (strcmp(model_name, "gign") == 0) ||   // French GIGN
               (strcmp(model_name, "vip") == 0))      // VIP
      {
         return 1;
      }

      return 0;  // return zero if team is unknown
   }
   else if ((mod_id == GEARBOX_DLL) && (pent_info_ctfdetect != NULL))
   {
      // OpFor CTF map...

      char *infobuffer;
      char model_name[32];

      infobuffer = (*g_engfuncs.pfnGetInfoKeyBuffer)( pEntity );
      strcpy(model_name, (g_engfuncs.pfnInfoKeyValue(infobuffer, "model")));

      if ((strcmp(model_name, "ctf_barney") == 0) ||
          (strcmp(model_name, "cl_suit") == 0) ||
          (strcmp(model_name, "ctf_gina") == 0) ||
          (strcmp(model_name, "ctf_gordon") == 0) ||
          (strcmp(model_name, "otis") == 0) ||
          (strcmp(model_name, "ctf_scientist") == 0))
      {
         return 0;
      }
      else if ((strcmp(model_name, "beret") == 0) ||
               (strcmp(model_name, "drill") == 0) ||
               (strcmp(model_name, "grunt") == 0) ||
               (strcmp(model_name, "recruit") == 0) ||
               (strcmp(model_name, "shephard") == 0) ||
               (strcmp(model_name, "tower") == 0))
      {
         return 1;
      }

      return 0;  // return zero if team is unknown
   }
   else if (mod_id == FRONTLINE_DLL)
   {
      return pEntity->v.team - 1;  // Front Line Force teams are 1-4 based
   }
   else if(mod_id == AVH_DLL)
   {
	   return pEntity->v.team;
   }
   else  // must be HL or OpFor deathmatch...
   {
      char *infobuffer;
      char model_name[32];

      if (team_names[0][0] == 0)
      {
         char *pName;
         char teamlist[MAX_TEAMS*MAX_TEAMNAME_LENGTH];
         int i;

         num_teams = 0;
         strcpy(teamlist, CVAR_GET_STRING("mp_teamlist"));
         pName = teamlist;
         pName = strtok(pName, ";");

         while (pName != NULL && *pName)
         {
            // check that team isn't defined twice
            for (i=0; i < num_teams; i++)
               if (strcmp(pName, team_names[i]) == 0)
                  break;
            if (i == num_teams)
            {
               strcpy(team_names[num_teams], pName);
               num_teams++;
            }
            pName = strtok(NULL, ";");
         }
      }

      infobuffer = (*g_engfuncs.pfnGetInfoKeyBuffer)( pEntity );
      strcpy(model_name, (g_engfuncs.pfnInfoKeyValue(infobuffer, "model")));

      for (int index=0; index < num_teams; index++)
      {
         if (strcmp(model_name, team_names[index]) == 0)
            return index;
      }

      return 0;
   }
}


// return class number 0 through N
int UTIL_GetClass(edict_t *pEntity)
{
   char *infobuffer;
   char model_name[32];

   infobuffer = (*g_engfuncs.pfnGetInfoKeyBuffer)( pEntity );
   strcpy(model_name, (g_engfuncs.pfnInfoKeyValue(infobuffer, "model")));

   if (mod_id == FRONTLINE_DLL)
   {
      if ((strcmp(model_name, "natorecon") == 0) ||
          (strcmp(model_name, "axisrecon") == 0))
      {
         return 0;  // recon
      }
      else if ((strcmp(model_name, "natoassault") == 0) ||
               (strcmp(model_name, "axisassault") == 0))
      {
         return 1;  // assault
      }
      else if ((strcmp(model_name, "natosupport") == 0) ||
               (strcmp(model_name, "axissupport") == 0))
      {
         return 2;  // support
      }
   }

   return 0;
}


int UTIL_GetBotIndex(edict_t *pEdict)
{
   int index;

   for (index=0; index < 32; index++)
   {
      if (bots[index].pEdict == pEdict)
      {
         return index;
      }
   }

   return -1;  // return -1 if edict is not a bot
}


bot_t *UTIL_GetBotPointer(edict_t *pEdict)
{
   int index;

   for (index=0; index < 32; index++)
   {
      if (bots[index].pEdict == pEdict)
      {
         break;
      }
   }

   if (index < 32)
      return (&bots[index]);

   return NULL;  // return NULL if edict is not a bot
}


bool IsAlive(edict_t *pEdict)
{
   return ((pEdict->v.deadflag == DEAD_NO) &&
           (pEdict->v.health > 0) && !(pEdict->v.flags & FL_NOTARGET));
}


bool FInViewCone(Vector *pOrigin, edict_t *pEdict)
{
   Vector2D vec2LOS;
   float    flDot;

   UTIL_MakeVectors ( pEdict->v.angles );

   vec2LOS = ( *pOrigin - pEdict->v.origin ).Make2D();
   vec2LOS = vec2LOS.Normalize();

   flDot = DotProduct (vec2LOS , gpGlobals->v_forward.Make2D() );

   if ( flDot > 0.50 )  // 60 degree field of view 
   {
      return TRUE;
   }
   else
   {
      return FALSE;
   }
}


bool FVisible( const Vector &vecOrigin, edict_t *pEdict )
{
   TraceResult tr;
   Vector      vecLookerOrigin;

   // look through caller's eyes
   vecLookerOrigin = pEdict->v.origin + pEdict->v.view_ofs;

   int bInWater = (UTIL_PointContents (vecOrigin) == CONTENTS_WATER);
   int bLookerInWater = (UTIL_PointContents (vecLookerOrigin) == CONTENTS_WATER);

   // don't look through water
   if (bInWater != bLookerInWater)
      return FALSE;

   UTIL_TraceLine(vecLookerOrigin, vecOrigin, ignore_monsters, ignore_glass, pEdict, &tr);

   if (tr.flFraction != 1.0)
   {
      return FALSE;  // Line of sight is not established
   }
   else
   {
      return TRUE;  // line of sight is valid.
   }
}


Vector GetGunPosition(edict_t *pEdict)
{
   return (pEdict->v.origin + pEdict->v.view_ofs);
}


void UTIL_SelectItem(edict_t *pEdict, char *item_name)
{
   FakeClientCommand(pEdict, item_name, NULL, NULL);
}


Vector VecBModelOrigin(edict_t *pEdict)
{
   return pEdict->v.absmin + (pEdict->v.size * 0.5);
}


bool UpdateSounds(edict_t *pEdict, edict_t *pPlayer)
{
   float distance;
   static bool check_footstep_sounds = TRUE;
   static float footstep_sounds_on;
   float sensitivity = 1.0;
   float volume;

   // update sounds made by this player, alert bots if they are nearby...

   if (check_footstep_sounds)
   {
      check_footstep_sounds = FALSE;
      footstep_sounds_on = CVAR_GET_FLOAT("mp_footsteps");
   }

   if (footstep_sounds_on > 0.0)
   {
	   CBasePlayer* thePlayer = (CBasePlayer*)CBaseEntity::Instance(pPlayer);

      // check if this player is moving fast enough to make sounds...
      if (pPlayer->v.velocity.Length2D() > thePlayer->GetMaxWalkSpeed())
      {
         volume = 500.0;  // volume of sound being made (just pick something)

         Vector v_sound = pPlayer->v.origin - pEdict->v.origin;

         distance = v_sound.Length();

         // is the bot close enough to hear this sound?
         if (distance < (volume * sensitivity))
         {
            Vector bot_angles = UTIL_VecToAngles( v_sound );

            pEdict->v.ideal_yaw = bot_angles.y;

            BotFixIdealYaw(pEdict);

            return TRUE;
         }
      }
   }

   return FALSE;
}


void UTIL_ShowMenu( edict_t *pEdict, int slots, int displaytime, bool needmore, char *pText )
{
//   if (gmsgShowMenu == 0)
//      gmsgShowMenu = REG_USER_MSG( "ShowMenu", -1 );
//
//   pfnMessageBegin( MSG_ONE, gmsgShowMenu, NULL, pEdict );
//
//   pfnWriteShort( slots );
//   pfnWriteChar( displaytime );
//   pfnWriteByte( needmore );
//   pfnWriteString( pText );
//
//   pfnMessageEnd();
}

void UTIL_BuildFileName(char *filename, char *arg1, char *arg2)
{

   if (mod_id == VALVE_DLL)
#ifndef __linux__
      strcpy(filename, "valve\\");
#else
      strcpy(filename, "valve/");
#endif

   else if (mod_id == TFC_DLL)
#ifndef __linux__
      strcpy(filename, "tfc\\");
#else
      strcpy(filename, "tfc/");
#endif

   else if (mod_id == CSTRIKE_DLL)
#ifndef __linux__
      strcpy(filename, "cstrike\\");
#else
      strcpy(filename, "cstrike/");
#endif

   else if (mod_id == GEARBOX_DLL)
#ifndef __linux__
      strcpy(filename, "gearbox\\");
#else
      strcpy(filename, "gearbox/");
#endif

   else if (mod_id == FRONTLINE_DLL)
#ifndef __linux__
      strcpy(filename, "frontline\\");
#else
      strcpy(filename, "frontline/");
#endif

   else if (mod_id == AVH_DLL)
   {
	string filenameString = string(getModDirectory());
#ifndef __linux__
	filenameString += "\\";
#else
	filenameString += '/';
#endif
	strcpy(filename,filenameString.c_str());
   }  
   else
   {
      filename[0] = 0;
      return;
   }

   if ((arg1) && (*arg1) && (arg2) && (*arg2))
   {
      strcat(filename, arg1);

#ifndef __linux__
      strcat(filename, "\\");
#else
      strcat(filename, "/");
#endif

      strcat(filename, arg2);
   }
   else if ((arg1) && (*arg1))
   {
      strcat(filename, arg1);
   }

   printf("UTIL_BuildFileName:");
   printf(filename);
   printf("\n");
}

//=========================================================
// UTIL_LogPrintf - Prints a logged message to console.
// Preceded by LOG: ( timestamp ) < message >
//=========================================================
void UTIL_LogPrintf( char *fmt, ... )
{
   va_list        argptr;
   static char    string[1024];
   
   va_start ( argptr, fmt );
   vsprintf ( string, fmt, argptr );
   va_end   ( argptr );

   // Print to server console
   printf("UTIL_LogPrintf:");
   printf(string);
   printf("\n");
   ALERT( at_logged, "%s", string );
}