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talkmonster.cpp
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talkmonster.cpp
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/***
*
* 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.
*
* This source code contains proprietary and confidential information of
* Valve LLC and its suppliers. Access to this code is restricted to
* persons who have executed a written SDK license with Valve. Any access,
* use or distribution of this code by or to any unlicensed person is illegal.
*
****/
#include "extdll.h"
#include "util.h"
#include "cbase.h"
#include "monsters.h"
#include "schedule.h"
#include "talkmonster.h"
#include "defaultai.h"
#include "scripted.h"
#include "soundent.h"
#include "animation.h"
//=========================================================
// Talking monster base class
// Used for scientists and barneys
//=========================================================
float CTalkMonster::g_talkWaitTime = 0; // time delay until it's ok to speak: used so that two NPCs don't talk at once
// NOTE: m_voicePitch & m_szGrp should be fixed up by precache each save/restore
TYPEDESCRIPTION CTalkMonster::m_SaveData[] =
{
DEFINE_FIELD( CTalkMonster, m_bitsSaid, FIELD_INTEGER ),
DEFINE_FIELD( CTalkMonster, m_nSpeak, FIELD_INTEGER ),
// Recalc'ed in Precache()
// DEFINE_FIELD( CTalkMonster, m_voicePitch, FIELD_INTEGER ),
// DEFINE_FIELD( CTalkMonster, m_szGrp, FIELD_??? ),
DEFINE_FIELD( CTalkMonster, m_useTime, FIELD_TIME ),
DEFINE_FIELD( CTalkMonster, m_iszUse, FIELD_STRING ),
DEFINE_FIELD( CTalkMonster, m_iszUnUse, FIELD_STRING ),
DEFINE_FIELD( CTalkMonster, m_flLastSaidSmelled, FIELD_TIME ),
DEFINE_FIELD( CTalkMonster, m_flStopTalkTime, FIELD_TIME ),
DEFINE_FIELD( CTalkMonster, m_hTalkTarget, FIELD_EHANDLE ),
};
IMPLEMENT_SAVERESTORE( CTalkMonster, CBaseMonster );
// array of friend names
char *CTalkMonster::m_szFriends[TLK_CFRIENDS] =
{
"monster_barney",
"monster_scientist",
"monster_sitting_scientist",
};
//=========================================================
// AI Schedules Specific to talking monsters
//=========================================================
Task_t tlIdleResponse[] =
{
{ TASK_SET_ACTIVITY, (float)ACT_IDLE },// Stop and listen
{ TASK_WAIT, (float)0.5 },// Wait until sure it's me they are talking to
{ TASK_TLK_EYECONTACT, (float)0 },// Wait until speaker is done
{ TASK_TLK_RESPOND, (float)0 },// Wait and then say my response
{ TASK_TLK_IDEALYAW, (float)0 },// look at who I'm talking to
{ TASK_FACE_IDEAL, (float)0 },
{ TASK_SET_ACTIVITY, (float)ACT_SIGNAL3 },
{ TASK_TLK_EYECONTACT, (float)0 },// Wait until speaker is done
};
Schedule_t slIdleResponse[] =
{
{
tlIdleResponse,
ARRAYSIZE ( tlIdleResponse ),
bits_COND_NEW_ENEMY |
bits_COND_LIGHT_DAMAGE |
bits_COND_HEAVY_DAMAGE,
0,
"Idle Response"
},
};
Task_t tlIdleSpeak[] =
{
{ TASK_TLK_SPEAK, (float)0 },// question or remark
{ TASK_TLK_IDEALYAW, (float)0 },// look at who I'm talking to
{ TASK_FACE_IDEAL, (float)0 },
{ TASK_SET_ACTIVITY, (float)ACT_SIGNAL3 },
{ TASK_TLK_EYECONTACT, (float)0 },
{ TASK_WAIT_RANDOM, (float)0.5 },
};
Schedule_t slIdleSpeak[] =
{
{
tlIdleSpeak,
ARRAYSIZE ( tlIdleSpeak ),
bits_COND_NEW_ENEMY |
bits_COND_CLIENT_PUSH |
bits_COND_LIGHT_DAMAGE |
bits_COND_HEAVY_DAMAGE,
0,
"Idle Speak"
},
};
Task_t tlIdleSpeakWait[] =
{
{ TASK_SET_ACTIVITY, (float)ACT_SIGNAL3 },// Stop and talk
{ TASK_TLK_SPEAK, (float)0 },// question or remark
{ TASK_TLK_EYECONTACT, (float)0 },//
{ TASK_WAIT, (float)2 },// wait - used when sci is in 'use' mode to keep head turned
};
Schedule_t slIdleSpeakWait[] =
{
{
tlIdleSpeakWait,
ARRAYSIZE ( tlIdleSpeakWait ),
bits_COND_NEW_ENEMY |
bits_COND_CLIENT_PUSH |
bits_COND_LIGHT_DAMAGE |
bits_COND_HEAVY_DAMAGE,
0,
"Idle Speak Wait"
},
};
Task_t tlIdleHello[] =
{
{ TASK_SET_ACTIVITY, (float)ACT_SIGNAL3 },// Stop and talk
{ TASK_TLK_HELLO, (float)0 },// Try to say hello to player
{ TASK_TLK_EYECONTACT, (float)0 },
{ TASK_WAIT, (float)0.5 },// wait a bit
{ TASK_TLK_HELLO, (float)0 },// Try to say hello to player
{ TASK_TLK_EYECONTACT, (float)0 },
{ TASK_WAIT, (float)0.5 },// wait a bit
{ TASK_TLK_HELLO, (float)0 },// Try to say hello to player
{ TASK_TLK_EYECONTACT, (float)0 },
{ TASK_WAIT, (float)0.5 },// wait a bit
{ TASK_TLK_HELLO, (float)0 },// Try to say hello to player
{ TASK_TLK_EYECONTACT, (float)0 },
{ TASK_WAIT, (float)0.5 },// wait a bit
};
Schedule_t slIdleHello[] =
{
{
tlIdleHello,
ARRAYSIZE ( tlIdleHello ),
bits_COND_NEW_ENEMY |
bits_COND_CLIENT_PUSH |
bits_COND_LIGHT_DAMAGE |
bits_COND_HEAVY_DAMAGE |
bits_COND_HEAR_SOUND |
bits_COND_PROVOKED,
bits_SOUND_COMBAT,
"Idle Hello"
},
};
Task_t tlIdleStopShooting[] =
{
{ TASK_TLK_STOPSHOOTING, (float)0 },// tell player to stop shooting friend
// { TASK_TLK_EYECONTACT, (float)0 },// look at the player
};
Schedule_t slIdleStopShooting[] =
{
{
tlIdleStopShooting,
ARRAYSIZE ( tlIdleStopShooting ),
bits_COND_NEW_ENEMY |
bits_COND_LIGHT_DAMAGE |
bits_COND_HEAVY_DAMAGE |
bits_COND_HEAR_SOUND,
0,
"Idle Stop Shooting"
},
};
Task_t tlMoveAway[] =
{
{ TASK_SET_FAIL_SCHEDULE, (float)SCHED_MOVE_AWAY_FAIL },
{ TASK_STORE_LASTPOSITION, (float)0 },
{ TASK_MOVE_AWAY_PATH, (float)100 },
{ TASK_WALK_PATH_FOR_UNITS, (float)100 },
{ TASK_STOP_MOVING, (float)0 },
{ TASK_FACE_PLAYER, (float)0.5 },
};
Schedule_t slMoveAway[] =
{
{
tlMoveAway,
ARRAYSIZE ( tlMoveAway ),
0,
0,
"MoveAway"
},
};
Task_t tlMoveAwayFail[] =
{
{ TASK_STOP_MOVING, (float)0 },
{ TASK_FACE_PLAYER, (float)0.5 },
};
Schedule_t slMoveAwayFail[] =
{
{
tlMoveAwayFail,
ARRAYSIZE ( tlMoveAwayFail ),
0,
0,
"MoveAwayFail"
},
};
Task_t tlMoveAwayFollow[] =
{
{ TASK_SET_FAIL_SCHEDULE, (float)SCHED_TARGET_FACE },
{ TASK_STORE_LASTPOSITION, (float)0 },
{ TASK_MOVE_AWAY_PATH, (float)100 },
{ TASK_WALK_PATH_FOR_UNITS, (float)100 },
{ TASK_STOP_MOVING, (float)0 },
{ TASK_SET_SCHEDULE, (float)SCHED_TARGET_FACE },
};
Schedule_t slMoveAwayFollow[] =
{
{
tlMoveAwayFollow,
ARRAYSIZE ( tlMoveAwayFollow ),
0,
0,
"MoveAwayFollow"
},
};
Task_t tlTlkIdleWatchClient[] =
{
{ TASK_STOP_MOVING, 0 },
{ TASK_SET_ACTIVITY, (float)ACT_IDLE },
{ TASK_TLK_LOOK_AT_CLIENT, (float)6 },
};
Task_t tlTlkIdleWatchClientStare[] =
{
{ TASK_STOP_MOVING, 0 },
{ TASK_SET_ACTIVITY, (float)ACT_IDLE },
{ TASK_TLK_CLIENT_STARE, (float)6 },
{ TASK_TLK_STARE, (float)0 },
{ TASK_TLK_IDEALYAW, (float)0 },// look at who I'm talking to
{ TASK_FACE_IDEAL, (float)0 },
{ TASK_SET_ACTIVITY, (float)ACT_SIGNAL3 },
{ TASK_TLK_EYECONTACT, (float)0 },
};
Schedule_t slTlkIdleWatchClient[] =
{
{
tlTlkIdleWatchClient,
ARRAYSIZE ( tlTlkIdleWatchClient ),
bits_COND_NEW_ENEMY |
bits_COND_LIGHT_DAMAGE |
bits_COND_HEAVY_DAMAGE |
bits_COND_HEAR_SOUND |
bits_COND_SMELL |
bits_COND_CLIENT_PUSH |
bits_COND_CLIENT_UNSEEN |
bits_COND_PROVOKED,
bits_SOUND_COMBAT |// sound flags - change these, and you'll break the talking code.
//bits_SOUND_PLAYER |
//bits_SOUND_WORLD |
bits_SOUND_DANGER |
bits_SOUND_MEAT |// scents
bits_SOUND_CARCASS |
bits_SOUND_GARBAGE,
"TlkIdleWatchClient"
},
{
tlTlkIdleWatchClientStare,
ARRAYSIZE ( tlTlkIdleWatchClientStare ),
bits_COND_NEW_ENEMY |
bits_COND_LIGHT_DAMAGE |
bits_COND_HEAVY_DAMAGE |
bits_COND_HEAR_SOUND |
bits_COND_SMELL |
bits_COND_CLIENT_PUSH |
bits_COND_CLIENT_UNSEEN |
bits_COND_PROVOKED,
bits_SOUND_COMBAT |// sound flags - change these, and you'll break the talking code.
//bits_SOUND_PLAYER |
//bits_SOUND_WORLD |
bits_SOUND_DANGER |
bits_SOUND_MEAT |// scents
bits_SOUND_CARCASS |
bits_SOUND_GARBAGE,
"TlkIdleWatchClientStare"
},
};
Task_t tlTlkIdleEyecontact[] =
{
{ TASK_TLK_IDEALYAW, (float)0 },// look at who I'm talking to
{ TASK_FACE_IDEAL, (float)0 },
{ TASK_SET_ACTIVITY, (float)ACT_SIGNAL3 },
{ TASK_TLK_EYECONTACT, (float)0 },// Wait until speaker is done
};
Schedule_t slTlkIdleEyecontact[] =
{
{
tlTlkIdleEyecontact,
ARRAYSIZE ( tlTlkIdleEyecontact ),
bits_COND_NEW_ENEMY |
bits_COND_CLIENT_PUSH |
bits_COND_LIGHT_DAMAGE |
bits_COND_HEAVY_DAMAGE,
0,
"TlkIdleEyecontact"
},
};
DEFINE_CUSTOM_SCHEDULES( CTalkMonster )
{
slIdleResponse,
slIdleSpeak,
slIdleHello,
slIdleSpeakWait,
slIdleStopShooting,
slMoveAway,
slMoveAwayFollow,
slMoveAwayFail,
slTlkIdleWatchClient,
&slTlkIdleWatchClient[ 1 ],
slTlkIdleEyecontact,
};
IMPLEMENT_CUSTOM_SCHEDULES( CTalkMonster, CBaseMonster );
void CTalkMonster :: SetActivity ( Activity newActivity )
{
if (newActivity == ACT_IDLE && IsTalking() )
newActivity = ACT_SIGNAL3;
if ( newActivity == ACT_SIGNAL3 && (LookupActivity ( ACT_SIGNAL3 ) == ACTIVITY_NOT_AVAILABLE))
newActivity = ACT_IDLE;
CBaseMonster::SetActivity( newActivity );
}
void CTalkMonster :: StartTask( Task_t *pTask )
{
switch ( pTask->iTask )
{
case TASK_TLK_SPEAK:
// ask question or make statement
FIdleSpeak();
TaskComplete();
break;
case TASK_TLK_RESPOND:
// respond to question
IdleRespond();
TaskComplete();
break;
case TASK_TLK_HELLO:
// greet player
FIdleHello();
TaskComplete();
break;
case TASK_TLK_STARE:
// let the player know I know he's staring at me.
FIdleStare();
TaskComplete();
break;
case TASK_FACE_PLAYER:
case TASK_TLK_LOOK_AT_CLIENT:
case TASK_TLK_CLIENT_STARE:
// track head to the client for a while.
m_flWaitFinished = gpGlobals->time + pTask->flData;
break;
case TASK_TLK_EYECONTACT:
break;
case TASK_TLK_IDEALYAW:
if (m_hTalkTarget != NULL)
{
pev->yaw_speed = 60;
float yaw = VecToYaw(m_hTalkTarget->pev->origin - pev->origin) - pev->angles.y;
if (yaw > 180) yaw -= 360;
if (yaw < -180) yaw += 360;
if (yaw < 0)
{
pev->ideal_yaw = min( yaw + 45, 0 ) + pev->angles.y;
}
else
{
pev->ideal_yaw = max( yaw - 45, 0 ) + pev->angles.y;
}
}
TaskComplete();
break;
case TASK_TLK_HEADRESET:
// reset head position after looking at something
m_hTalkTarget = NULL;
TaskComplete();
break;
case TASK_TLK_STOPSHOOTING:
// tell player to stop shooting
PlaySentence( m_szGrp[TLK_NOSHOOT], RANDOM_FLOAT(2.8, 3.2), VOL_NORM, ATTN_NORM );
TaskComplete();
break;
case TASK_CANT_FOLLOW:
StopFollowing( FALSE );
PlaySentence( m_szGrp[TLK_STOP], RANDOM_FLOAT(2, 2.5), VOL_NORM, ATTN_NORM );
TaskComplete();
break;
case TASK_WALK_PATH_FOR_UNITS:
m_movementActivity = ACT_WALK;
break;
case TASK_MOVE_AWAY_PATH:
{
Vector dir = pev->angles;
dir.y = pev->ideal_yaw + 180;
Vector move;
UTIL_MakeVectorsPrivate( dir, move, NULL, NULL );
dir = pev->origin + move * pTask->flData;
if ( MoveToLocation( ACT_WALK, 2, dir ) )
{
TaskComplete();
}
else if ( FindCover( pev->origin, pev->view_ofs, 0, CoverRadius() ) )
{
// then try for plain ole cover
m_flMoveWaitFinished = gpGlobals->time + 2;
TaskComplete();
}
else
{
// nowhere to go?
TaskFail();
}
}
break;
case TASK_PLAY_SCRIPT:
m_hTalkTarget = NULL;
CBaseMonster::StartTask( pTask );
break;
default:
CBaseMonster::StartTask( pTask );
}
}
void CTalkMonster :: RunTask( Task_t *pTask )
{
switch( pTask->iTask )
{
case TASK_TLK_CLIENT_STARE:
case TASK_TLK_LOOK_AT_CLIENT:
edict_t *pPlayer;
// track head to the client for a while.
if ( m_MonsterState == MONSTERSTATE_IDLE &&
!IsMoving() &&
!IsTalking() )
{
// Get edict for one player
pPlayer = g_engfuncs.pfnPEntityOfEntIndex( 1 );
if ( pPlayer )
{
IdleHeadTurn( pPlayer->v.origin );
}
}
else
{
// started moving or talking
TaskFail();
return;
}
if ( pTask->iTask == TASK_TLK_CLIENT_STARE )
{
// fail out if the player looks away or moves away.
if ( ( pPlayer->v.origin - pev->origin ).Length2D() > TLK_STARE_DIST )
{
// player moved away.
TaskFail();
}
UTIL_MakeVectors( pPlayer->v.angles );
if ( UTIL_DotPoints( pPlayer->v.origin, pev->origin, gpGlobals->v_forward ) < m_flFieldOfView )
{
// player looked away
TaskFail();
}
}
if ( gpGlobals->time > m_flWaitFinished )
{
TaskComplete();
}
break;
case TASK_FACE_PLAYER:
{
// Get edict for one player
edict_t *pPlayer = g_engfuncs.pfnPEntityOfEntIndex( 1 );
if ( pPlayer )
{
MakeIdealYaw ( pPlayer->v.origin );
ChangeYaw ( pev->yaw_speed );
IdleHeadTurn( pPlayer->v.origin );
if ( gpGlobals->time > m_flWaitFinished && FlYawDiff() < 10 )
{
TaskComplete();
}
}
else
{
TaskFail();
}
}
break;
case TASK_TLK_EYECONTACT:
if (!IsMoving() && IsTalking() && m_hTalkTarget != NULL)
{
// ALERT( at_console, "waiting %f\n", m_flStopTalkTime - gpGlobals->time );
IdleHeadTurn( m_hTalkTarget->pev->origin );
}
else
{
TaskComplete();
}
break;
case TASK_WALK_PATH_FOR_UNITS:
{
float distance;
distance = (m_vecLastPosition - pev->origin).Length2D();
// Walk path until far enough away
if ( distance > pTask->flData || MovementIsComplete() )
{
TaskComplete();
RouteClear(); // Stop moving
}
}
break;
case TASK_WAIT_FOR_MOVEMENT:
if (IsTalking() && m_hTalkTarget != NULL)
{
// ALERT(at_console, "walking, talking\n");
IdleHeadTurn( m_hTalkTarget->pev->origin );
}
else
{
IdleHeadTurn( pev->origin );
// override so that during walk, a scientist may talk and greet player
FIdleHello();
if (RANDOM_LONG(0,m_nSpeak * 20) == 0)
{
FIdleSpeak();
}
}
CBaseMonster::RunTask( pTask );
if (TaskIsComplete())
IdleHeadTurn( pev->origin );
break;
default:
if (IsTalking() && m_hTalkTarget != NULL)
{
IdleHeadTurn( m_hTalkTarget->pev->origin );
}
else
{
SetBoneController( 0, 0 );
}
CBaseMonster::RunTask( pTask );
}
}
void CTalkMonster :: Killed( entvars_t *pevAttacker, int iGib )
{
// If a client killed me (unless I was already Barnacle'd), make everyone else mad/afraid of him
if ( (pevAttacker->flags & FL_CLIENT) && m_MonsterState != MONSTERSTATE_PRONE )
{
AlertFriends();
LimitFollowers( CBaseEntity::Instance(pevAttacker), 0 );
}
m_hTargetEnt = NULL;
// Don't finish that sentence
StopTalking();
SetUse( NULL );
CBaseMonster::Killed( pevAttacker, iGib );
}
CBaseEntity *CTalkMonster::EnumFriends( CBaseEntity *pPrevious, int listNumber, BOOL bTrace )
{
CBaseEntity *pFriend = pPrevious;
char *pszFriend;
TraceResult tr;
Vector vecCheck;
pszFriend = m_szFriends[ FriendNumber(listNumber) ];
while (pFriend = UTIL_FindEntityByClassname( pFriend, pszFriend ))
{
if (pFriend == this || !pFriend->IsAlive())
// don't talk to self or dead people
continue;
if ( bTrace )
{
vecCheck = pFriend->pev->origin;
vecCheck.z = pFriend->pev->absmax.z;
UTIL_TraceLine( pev->origin, vecCheck, ignore_monsters, ENT(pev), &tr);
}
else
tr.flFraction = 1.0;
if (tr.flFraction == 1.0)
{
return pFriend;
}
}
return NULL;
}
void CTalkMonster::AlertFriends( void )
{
CBaseEntity *pFriend = NULL;
int i;
// for each friend in this bsp...
for ( i = 0; i < TLK_CFRIENDS; i++ )
{
while (pFriend = EnumFriends( pFriend, i, TRUE ))
{
CBaseMonster *pMonster = pFriend->MyMonsterPointer();
if ( pMonster->IsAlive() )
{
// don't provoke a friend that's playing a death animation. They're a goner
pMonster->m_afMemory |= bits_MEMORY_PROVOKED;
}
}
}
}
void CTalkMonster::ShutUpFriends( void )
{
CBaseEntity *pFriend = NULL;
int i;
// for each friend in this bsp...
for ( i = 0; i < TLK_CFRIENDS; i++ )
{
while (pFriend = EnumFriends( pFriend, i, TRUE ))
{
CBaseMonster *pMonster = pFriend->MyMonsterPointer();
if ( pMonster )
{
pMonster->SentenceStop();
}
}
}
}
// UNDONE: Keep a follow time in each follower, make a list of followers in this function and do LRU
// UNDONE: Check this in Restore to keep restored monsters from joining a full list of followers
void CTalkMonster::LimitFollowers( CBaseEntity *pPlayer, int maxFollowers )
{
CBaseEntity *pFriend = NULL;
int i, count;
count = 0;
// for each friend in this bsp...
for ( i = 0; i < TLK_CFRIENDS; i++ )
{
while (pFriend = EnumFriends( pFriend, i, FALSE ))
{
CBaseMonster *pMonster = pFriend->MyMonsterPointer();
if ( pMonster )
{
if ( pMonster->m_hTargetEnt == pPlayer )
{
count++;
if ( count > maxFollowers )
pMonster->StopFollowing( TRUE );
}
}
}
}
}
float CTalkMonster::TargetDistance( void )
{
// If we lose the player, or he dies, return a really large distance
if ( m_hTargetEnt == NULL || !m_hTargetEnt->IsAlive() )
return 1e6;
return (m_hTargetEnt->pev->origin - pev->origin).Length();
}
//=========================================================
// HandleAnimEvent - catches the monster-specific messages
// that occur when tagged animation frames are played.
//=========================================================
void CTalkMonster :: HandleAnimEvent( MonsterEvent_t *pEvent )
{
switch( pEvent->event )
{
case SCRIPT_EVENT_SENTENCE_RND1: // Play a named sentence group 25% of the time
if (RANDOM_LONG(0,99) < 75)
break;
// fall through...
case SCRIPT_EVENT_SENTENCE: // Play a named sentence group
ShutUpFriends();
PlaySentence( pEvent->options, RANDOM_FLOAT(2.8, 3.4), VOL_NORM, ATTN_IDLE );
//ALERT(at_console, "script event speak\n");
break;
default:
CBaseMonster::HandleAnimEvent( pEvent );
break;
}
}
// monsters derived from ctalkmonster should call this in precache()
void CTalkMonster :: TalkInit( void )
{
// every new talking monster must reset this global, otherwise
// when a level is loaded, nobody will talk (time is reset to 0)
CTalkMonster::g_talkWaitTime = 0;
m_voicePitch = 100;
}
//=========================================================
// FindNearestFriend
// Scan for nearest, visible friend. If fPlayer is true, look for
// nearest player
//=========================================================
CBaseEntity *CTalkMonster :: FindNearestFriend(BOOL fPlayer)
{
CBaseEntity *pFriend = NULL;
CBaseEntity *pNearest = NULL;
float range = 10000000.0;
TraceResult tr;
Vector vecStart = pev->origin;
Vector vecCheck;
int i;
char *pszFriend;
int cfriends;
vecStart.z = pev->absmax.z;
if (fPlayer)
cfriends = 1;
else
cfriends = TLK_CFRIENDS;
// for each type of friend...
for (i = cfriends-1; i > -1; i--)
{
if (fPlayer)
pszFriend = "player";
else
pszFriend = m_szFriends[FriendNumber(i)];
if (!pszFriend)
continue;
// for each friend in this bsp...
while (pFriend = UTIL_FindEntityByClassname( pFriend, pszFriend ))
{
if (pFriend == this || !pFriend->IsAlive())
// don't talk to self or dead people
continue;
CBaseMonster *pMonster = pFriend->MyMonsterPointer();
// If not a monster for some reason, or in a script, or prone
if ( !pMonster || pMonster->m_MonsterState == MONSTERSTATE_SCRIPT || pMonster->m_MonsterState == MONSTERSTATE_PRONE )
continue;
vecCheck = pFriend->pev->origin;
vecCheck.z = pFriend->pev->absmax.z;
// if closer than previous friend, and in range, see if he's visible
if (range > (vecStart - vecCheck).Length())
{
UTIL_TraceLine(vecStart, vecCheck, ignore_monsters, ENT(pev), &tr);
if (tr.flFraction == 1.0)
{
// visible and in range, this is the new nearest scientist
if ((vecStart - vecCheck).Length() < TALKRANGE_MIN)
{
pNearest = pFriend;
range = (vecStart - vecCheck).Length();
}
}
}
}
}
return pNearest;
}
int CTalkMonster :: GetVoicePitch( void )
{
return m_voicePitch + RANDOM_LONG(0,3);
}
void CTalkMonster :: Touch( CBaseEntity *pOther )
{
// Did the player touch me?
if ( pOther->IsPlayer() )
{
// Ignore if pissed at player
if ( m_afMemory & bits_MEMORY_PROVOKED )
return;
// Stay put during speech
if ( IsTalking() )
return;
// Heuristic for determining if the player is pushing me away
float speed = fabs(pOther->pev->velocity.x) + fabs(pOther->pev->velocity.y);
if ( speed > 50 )
{
SetConditions( bits_COND_CLIENT_PUSH );
MakeIdealYaw( pOther->pev->origin );
}
}
}
//=========================================================
// IdleRespond
// Respond to a previous question
//=========================================================
void CTalkMonster :: IdleRespond( void )
{
int pitch = GetVoicePitch();
// play response
PlaySentence( m_szGrp[TLK_ANSWER], RANDOM_FLOAT(2.8, 3.2), VOL_NORM, ATTN_IDLE );
}
int CTalkMonster :: FOkToSpeak( void )
{
// if in the grip of a barnacle, don't speak
if ( m_MonsterState == MONSTERSTATE_PRONE || m_IdealMonsterState == MONSTERSTATE_PRONE )
{
return FALSE;
}
// if not alive, certainly don't speak
if ( pev->deadflag != DEAD_NO )
{
return FALSE;
}
// if someone else is talking, don't speak
if (gpGlobals->time <= CTalkMonster::g_talkWaitTime)
return FALSE;
if ( pev->spawnflags & SF_MONSTER_GAG )
return FALSE;
if ( m_MonsterState == MONSTERSTATE_PRONE )
return FALSE;
// if player is not in pvs, don't speak
if (!IsAlive() || FNullEnt(FIND_CLIENT_IN_PVS(edict())))
return FALSE;
// don't talk if you're in combat
if (m_hEnemy != NULL && FVisible( m_hEnemy ))
return FALSE;
return TRUE;
}
int CTalkMonster::CanPlaySentence( BOOL fDisregardState )
{
if ( fDisregardState )
return CBaseMonster::CanPlaySentence( fDisregardState );
return FOkToSpeak();
}
//=========================================================
// FIdleStare
//=========================================================
int CTalkMonster :: FIdleStare( void )
{
if (!FOkToSpeak())
return FALSE;
PlaySentence( m_szGrp[TLK_STARE], RANDOM_FLOAT(5, 7.5), VOL_NORM, ATTN_IDLE );
m_hTalkTarget = FindNearestFriend( TRUE );
return TRUE;
}
//=========================================================
// IdleHello
// Try to greet player first time he's seen
//=========================================================
int CTalkMonster :: FIdleHello( void )
{
if (!FOkToSpeak())
return FALSE;
// if this is first time scientist has seen player, greet him
if (!FBitSet(m_bitsSaid, bit_saidHelloPlayer))
{
// get a player
CBaseEntity *pPlayer = FindNearestFriend(TRUE);
if (pPlayer)
{
if (FInViewCone(pPlayer) && FVisible(pPlayer))
{
m_hTalkTarget = pPlayer;
if (FBitSet(pev->spawnflags, SF_MONSTER_PREDISASTER))
PlaySentence( m_szGrp[TLK_PHELLO], RANDOM_FLOAT(3, 3.5), VOL_NORM, ATTN_IDLE );
else
PlaySentence( m_szGrp[TLK_HELLO], RANDOM_FLOAT(3, 3.5), VOL_NORM, ATTN_IDLE );
SetBits(m_bitsSaid, bit_saidHelloPlayer);
return TRUE;
}
}