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724 lines
18 KiB
C++
724 lines
18 KiB
C++
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/***
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*
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* Copyright (c) 1999, 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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* This source code contains proprietary and confidential information of
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* Valve LLC and its suppliers. Access to this code is restricted to
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* persons who have executed a written SDK license with Valve. Any access,
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* use or distribution of this code by or to any unlicensed person is illegal.
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*
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****/
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//=========================================================
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// leech - basic little swimming monster
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//=========================================================
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//
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// UNDONE:
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// DONE:Steering force model for attack
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// DONE:Attack animation control / damage
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// DONE:Establish range of up/down motion and steer around vertical obstacles
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// DONE:Re-evaluate height periodically
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// DONE:Fall (MOVETYPE_TOSS) and play different anim if out of water
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// Test in complex room (c2a3?)
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// DONE:Sounds? - Kelly will fix
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// Blood cloud? Hurt effect?
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// Group behavior?
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// DONE:Save/restore
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// Flop animation - just bind to ACT_TWITCH
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// Fix fatal push into wall case
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//
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// Try this on a bird
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// Try this on a model with hulls/tracehull?
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//
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#include "float.h"
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#include "extdll.h"
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#include "util.h"
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#include "cbase.h"
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#include "monsters.h"
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// Animation events
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#define LEECH_AE_ATTACK 1
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#define LEECH_AE_FLOP 2
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// Movement constants
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#define LEECH_ACCELERATE 10
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#define LEECH_CHECK_DIST 45
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#define LEECH_SWIM_SPEED 50
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#define LEECH_SWIM_ACCEL 80
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#define LEECH_SWIM_DECEL 10
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#define LEECH_TURN_RATE 90
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#define LEECH_SIZEX 10
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#define LEECH_FRAMETIME 0.1
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#define DEBUG_BEAMS 0
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#if DEBUG_BEAMS
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#include "effects.h"
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#endif
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class CLeech : public CBaseMonster
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{
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public:
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void Spawn( void );
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void Precache( void );
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void EXPORT SwimThink( void );
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void EXPORT DeadThink( void );
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void Touch( CBaseEntity *pOther )
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{
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if ( pOther->IsPlayer() )
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{
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// If the client is pushing me, give me some base velocity
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if ( gpGlobals->trace_ent && gpGlobals->trace_ent == edict() )
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{
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pev->basevelocity = pOther->pev->velocity;
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pev->flags |= FL_BASEVELOCITY;
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}
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}
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}
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void SetObjectCollisionBox( void )
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{
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pev->absmin = pev->origin + Vector(-8,-8,0);
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pev->absmax = pev->origin + Vector(8,8,2);
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}
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void AttackSound( void );
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void AlertSound( void );
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void UpdateMotion( void );
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float ObstacleDistance( CBaseEntity *pTarget );
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void MakeVectors( void );
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void RecalculateWaterlevel( void );
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void SwitchLeechState( void );
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// Base entity functions
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void HandleAnimEvent( MonsterEvent_t *pEvent );
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int BloodColor( void ) { return DONT_BLEED; }
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void Killed( entvars_t *pevAttacker, int iGib );
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void Activate( void );
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int TakeDamage( entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int bitsDamageType );
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int Classify( void ) { return CLASS_INSECT; }
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int IRelationship( CBaseEntity *pTarget );
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virtual int Save( CSave &save );
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virtual int Restore( CRestore &restore );
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static TYPEDESCRIPTION m_SaveData[];
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static const char *pAttackSounds[];
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static const char *pAlertSounds[];
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private:
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// UNDONE: Remove unused boid vars, do group behavior
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float m_flTurning;// is this boid turning?
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BOOL m_fPathBlocked;// TRUE if there is an obstacle ahead
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float m_flAccelerate;
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float m_obstacle;
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float m_top;
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float m_bottom;
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float m_height;
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float m_waterTime;
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float m_sideTime; // Timer to randomly check clearance on sides
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float m_zTime;
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float m_stateTime;
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float m_attackSoundTime;
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#if DEBUG_BEAMS
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CBeam *m_pb;
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CBeam *m_pt;
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#endif
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};
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LINK_ENTITY_TO_CLASS( monster_leech, CLeech );
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TYPEDESCRIPTION CLeech::m_SaveData[] =
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{
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DEFINE_FIELD( CLeech, m_flTurning, FIELD_FLOAT ),
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DEFINE_FIELD( CLeech, m_fPathBlocked, FIELD_BOOLEAN ),
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DEFINE_FIELD( CLeech, m_flAccelerate, FIELD_FLOAT ),
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DEFINE_FIELD( CLeech, m_obstacle, FIELD_FLOAT ),
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DEFINE_FIELD( CLeech, m_top, FIELD_FLOAT ),
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DEFINE_FIELD( CLeech, m_bottom, FIELD_FLOAT ),
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DEFINE_FIELD( CLeech, m_height, FIELD_FLOAT ),
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DEFINE_FIELD( CLeech, m_waterTime, FIELD_TIME ),
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DEFINE_FIELD( CLeech, m_sideTime, FIELD_TIME ),
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DEFINE_FIELD( CLeech, m_zTime, FIELD_TIME ),
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DEFINE_FIELD( CLeech, m_stateTime, FIELD_TIME ),
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DEFINE_FIELD( CLeech, m_attackSoundTime, FIELD_TIME ),
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};
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IMPLEMENT_SAVERESTORE( CLeech, CBaseMonster );
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const char *CLeech::pAttackSounds[] =
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{
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"leech/leech_bite1.wav",
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"leech/leech_bite2.wav",
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"leech/leech_bite3.wav",
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};
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const char *CLeech::pAlertSounds[] =
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{
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"leech/leech_alert1.wav",
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"leech/leech_alert2.wav",
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};
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void CLeech::Spawn( void )
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{
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Precache();
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SET_MODEL(ENT(pev), "models/leech.mdl");
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// Just for fun
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// SET_MODEL(ENT(pev), "models/icky.mdl");
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// UTIL_SetSize( pev, g_vecZero, g_vecZero );
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UTIL_SetSize( pev, Vector(-1,-1,0), Vector(1,1,2));
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// Don't push the minz down too much or the water check will fail because this entity is really point-sized
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pev->solid = SOLID_SLIDEBOX;
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pev->movetype = MOVETYPE_FLY;
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SetBits(pev->flags, FL_SWIM);
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pev->health = gSkillData.leechHealth;
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m_flFieldOfView = -0.5; // 180 degree FOV
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m_flDistLook = 750;
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MonsterInit();
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SetThink( &CLeech::SwimThink );
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SetUse( NULL );
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SetTouch( NULL );
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pev->view_ofs = g_vecZero;
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m_flTurning = 0;
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m_fPathBlocked = FALSE;
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SetActivity( ACT_SWIM );
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SetState( MONSTERSTATE_IDLE );
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m_stateTime = gpGlobals->time + RANDOM_FLOAT( 1, 5 );
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}
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void CLeech::Activate( void )
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{
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RecalculateWaterlevel();
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}
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void CLeech::RecalculateWaterlevel( void )
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{
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// Calculate boundaries
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Vector vecTest = pev->origin - Vector(0,0,400);
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TraceResult tr;
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UTIL_TraceLine(pev->origin, vecTest, missile, edict(), &tr);
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if ( tr.flFraction != 1.0 )
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m_bottom = tr.vecEndPos.z + 1;
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else
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m_bottom = vecTest.z;
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m_top = UTIL_WaterLevel( pev->origin, pev->origin.z, pev->origin.z + 400 ) - 1;
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// Chop off 20% of the outside range
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float newBottom = m_bottom * 0.8 + m_top * 0.2;
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m_top = m_bottom * 0.2 + m_top * 0.8;
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m_bottom = newBottom;
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m_height = RANDOM_FLOAT( m_bottom, m_top );
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m_waterTime = gpGlobals->time + RANDOM_FLOAT( 5, 7 );
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}
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void CLeech::SwitchLeechState( void )
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{
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m_stateTime = gpGlobals->time + RANDOM_FLOAT( 3, 6 );
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if ( m_MonsterState == MONSTERSTATE_COMBAT )
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{
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m_hEnemy = NULL;
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SetState( MONSTERSTATE_IDLE );
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// We may be up against the player, so redo the side checks
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m_sideTime = 0;
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}
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else
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{
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Look( m_flDistLook );
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CBaseEntity *pEnemy = BestVisibleEnemy();
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if ( pEnemy && pEnemy->pev->waterlevel != 0 )
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{
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m_hEnemy = pEnemy;
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SetState( MONSTERSTATE_COMBAT );
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m_stateTime = gpGlobals->time + RANDOM_FLOAT( 18, 25 );
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AlertSound();
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}
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}
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}
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int CLeech::IRelationship( CBaseEntity *pTarget )
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{
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if ( pTarget->IsPlayer() )
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return R_DL;
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return CBaseMonster::IRelationship( pTarget );
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}
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void CLeech::AttackSound( void )
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{
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if ( gpGlobals->time > m_attackSoundTime )
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{
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EMIT_SOUND_DYN ( ENT(pev), CHAN_VOICE, pAttackSounds[ RANDOM_LONG(0,ARRAYSIZE(pAttackSounds)-1) ], 1.0, ATTN_NORM, 0, PITCH_NORM );
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m_attackSoundTime = gpGlobals->time + 0.5;
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}
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}
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void CLeech::AlertSound( void )
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{
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EMIT_SOUND_DYN ( ENT(pev), CHAN_VOICE, pAlertSounds[ RANDOM_LONG(0,ARRAYSIZE(pAlertSounds)-1) ], 1.0, ATTN_NORM * 0.5, 0, PITCH_NORM );
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}
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void CLeech::Precache( void )
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{
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int i;
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//PRECACHE_MODEL("models/icky.mdl");
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PRECACHE_MODEL("models/leech.mdl");
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for ( i = 0; i < ARRAYSIZE( pAttackSounds ); i++ )
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PRECACHE_SOUND((char *)pAttackSounds[i]);
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for ( i = 0; i < ARRAYSIZE( pAlertSounds ); i++ )
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PRECACHE_SOUND((char *)pAlertSounds[i]);
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}
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int CLeech::TakeDamage( entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int bitsDamageType )
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{
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pev->velocity = g_vecZero;
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// Nudge the leech away from the damage
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if ( pevInflictor )
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{
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pev->velocity = (pev->origin - pevInflictor->origin).Normalize() * 25;
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}
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return CBaseMonster::TakeDamage( pevInflictor, pevAttacker, flDamage, bitsDamageType );
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}
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void CLeech::HandleAnimEvent( MonsterEvent_t *pEvent )
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{
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switch( pEvent->event )
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{
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case LEECH_AE_ATTACK:
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AttackSound();
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CBaseEntity *pEnemy;
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pEnemy = m_hEnemy;
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if ( pEnemy != NULL )
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{
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Vector dir, face;
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UTIL_MakeVectorsPrivate( pev->angles, face, NULL, NULL );
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face.z = 0;
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dir = (pEnemy->pev->origin - pev->origin);
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dir.z = 0;
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dir = dir.Normalize();
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face = face.Normalize();
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if ( DotProduct(dir, face) > 0.9 ) // Only take damage if the leech is facing the prey
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pEnemy->TakeDamage( pev, pev, gSkillData.leechDmgBite, DMG_SLASH );
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}
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m_stateTime -= 2;
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break;
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case LEECH_AE_FLOP:
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// Play flop sound
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break;
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default:
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CBaseMonster::HandleAnimEvent( pEvent );
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break;
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}
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}
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void CLeech::MakeVectors( void )
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{
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Vector tmp = pev->angles;
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tmp.x = -tmp.x;
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UTIL_MakeVectors ( tmp );
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}
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//
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// ObstacleDistance - returns normalized distance to obstacle
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//
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float CLeech::ObstacleDistance( CBaseEntity *pTarget )
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{
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TraceResult tr;
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Vector vecTest;
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// use VELOCITY, not angles, not all boids point the direction they are flying
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//Vector vecDir = UTIL_VecToAngles( pev->velocity );
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MakeVectors();
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// check for obstacle ahead
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vecTest = pev->origin + gpGlobals->v_forward * LEECH_CHECK_DIST;
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UTIL_TraceLine(pev->origin, vecTest, missile, edict(), &tr);
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if ( tr.fStartSolid )
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{
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pev->speed = -LEECH_SWIM_SPEED * 0.5;
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// ALERT( at_console, "Stuck from (%f %f %f) to (%f %f %f)\n", pev->oldorigin.x, pev->oldorigin.y, pev->oldorigin.z, pev->origin.x, pev->origin.y, pev->origin.z );
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// UTIL_SetOrigin( pev, pev->oldorigin );
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}
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if ( tr.flFraction != 1.0 )
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{
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if ( (pTarget == NULL || tr.pHit != pTarget->edict()) )
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{
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return tr.flFraction;
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}
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else
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{
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if ( fabs(m_height - pev->origin.z) > 10 )
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return tr.flFraction;
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}
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}
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||
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|
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if ( m_sideTime < gpGlobals->time )
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||
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{
|
||
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// extra wide checks
|
||
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vecTest = pev->origin + gpGlobals->v_right * LEECH_SIZEX * 2 + gpGlobals->v_forward * LEECH_CHECK_DIST;
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UTIL_TraceLine(pev->origin, vecTest, missile, edict(), &tr);
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if (tr.flFraction != 1.0)
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return tr.flFraction;
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|
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vecTest = pev->origin - gpGlobals->v_right * LEECH_SIZEX * 2 + gpGlobals->v_forward * LEECH_CHECK_DIST;
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UTIL_TraceLine(pev->origin, vecTest, missile, edict(), &tr);
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if (tr.flFraction != 1.0)
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return tr.flFraction;
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||
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// Didn't hit either side, so stop testing for another 0.5 - 1 seconds
|
||
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m_sideTime = gpGlobals->time + RANDOM_FLOAT(0.5,1);
|
||
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}
|
||
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return 1.0;
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||
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}
|
||
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|
||
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|
||
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void CLeech::DeadThink( void )
|
||
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{
|
||
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if ( m_fSequenceFinished )
|
||
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{
|
||
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if ( m_Activity == ACT_DIEFORWARD )
|
||
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{
|
||
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SetThink( NULL );
|
||
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StopAnimation();
|
||
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return;
|
||
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}
|
||
|
else if ( pev->flags & FL_ONGROUND )
|
||
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{
|
||
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pev->solid = SOLID_NOT;
|
||
|
SetActivity(ACT_DIEFORWARD);
|
||
|
}
|
||
|
}
|
||
|
StudioFrameAdvance();
|
||
|
pev->nextthink = gpGlobals->time + 0.1;
|
||
|
|
||
|
// Apply damage velocity, but keep out of the walls
|
||
|
if ( pev->velocity.x != 0 || pev->velocity.y != 0 )
|
||
|
{
|
||
|
TraceResult tr;
|
||
|
|
||
|
// Look 0.5 seconds ahead
|
||
|
UTIL_TraceLine(pev->origin, pev->origin + pev->velocity * 0.5, missile, edict(), &tr);
|
||
|
if (tr.flFraction != 1.0)
|
||
|
{
|
||
|
pev->velocity.x = 0;
|
||
|
pev->velocity.y = 0;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
void CLeech::UpdateMotion( void )
|
||
|
{
|
||
|
float flapspeed = (pev->speed - m_flAccelerate) / LEECH_ACCELERATE;
|
||
|
m_flAccelerate = m_flAccelerate * 0.8 + pev->speed * 0.2;
|
||
|
|
||
|
if (flapspeed < 0)
|
||
|
flapspeed = -flapspeed;
|
||
|
flapspeed += 1.0;
|
||
|
if (flapspeed < 0.5)
|
||
|
flapspeed = 0.5;
|
||
|
if (flapspeed > 1.9)
|
||
|
flapspeed = 1.9;
|
||
|
|
||
|
pev->framerate = flapspeed;
|
||
|
|
||
|
if ( !m_fPathBlocked )
|
||
|
pev->avelocity.y = pev->ideal_yaw;
|
||
|
else
|
||
|
pev->avelocity.y = pev->ideal_yaw * m_obstacle;
|
||
|
|
||
|
if ( pev->avelocity.y > 150 )
|
||
|
m_IdealActivity = ACT_TURN_LEFT;
|
||
|
else if ( pev->avelocity.y < -150 )
|
||
|
m_IdealActivity = ACT_TURN_RIGHT;
|
||
|
else
|
||
|
m_IdealActivity = ACT_SWIM;
|
||
|
|
||
|
// lean
|
||
|
float targetPitch, delta;
|
||
|
delta = m_height - pev->origin.z;
|
||
|
|
||
|
if ( delta < -10 )
|
||
|
targetPitch = -30;
|
||
|
else if ( delta > 10 )
|
||
|
targetPitch = 30;
|
||
|
else
|
||
|
targetPitch = 0;
|
||
|
|
||
|
pev->angles.x = UTIL_Approach( targetPitch, pev->angles.x, 60 * LEECH_FRAMETIME );
|
||
|
|
||
|
// bank
|
||
|
pev->avelocity.z = - (pev->angles.z + (pev->avelocity.y * 0.25));
|
||
|
|
||
|
if ( m_MonsterState == MONSTERSTATE_COMBAT && HasConditions( bits_COND_CAN_MELEE_ATTACK1 ) )
|
||
|
m_IdealActivity = ACT_MELEE_ATTACK1;
|
||
|
|
||
|
// Out of water check
|
||
|
if ( !pev->waterlevel )
|
||
|
{
|
||
|
pev->movetype = MOVETYPE_TOSS;
|
||
|
m_IdealActivity = ACT_TWITCH;
|
||
|
pev->velocity = g_vecZero;
|
||
|
|
||
|
// Animation will intersect the floor if either of these is non-zero
|
||
|
pev->angles.z = 0;
|
||
|
pev->angles.x = 0;
|
||
|
|
||
|
if ( pev->framerate < 1.0 )
|
||
|
pev->framerate = 1.0;
|
||
|
}
|
||
|
else if ( pev->movetype == MOVETYPE_TOSS )
|
||
|
{
|
||
|
pev->movetype = MOVETYPE_FLY;
|
||
|
pev->flags &= ~FL_ONGROUND;
|
||
|
RecalculateWaterlevel();
|
||
|
m_waterTime = gpGlobals->time + 2; // Recalc again soon, water may be rising
|
||
|
}
|
||
|
|
||
|
if ( m_Activity != m_IdealActivity )
|
||
|
{
|
||
|
SetActivity ( m_IdealActivity );
|
||
|
}
|
||
|
float flInterval = StudioFrameAdvance();
|
||
|
DispatchAnimEvents ( flInterval );
|
||
|
|
||
|
#if DEBUG_BEAMS
|
||
|
if ( !m_pb )
|
||
|
m_pb = CBeam::BeamCreate( "sprites/laserbeam.spr", 5 );
|
||
|
if ( !m_pt )
|
||
|
m_pt = CBeam::BeamCreate( "sprites/laserbeam.spr", 5 );
|
||
|
m_pb->PointsInit( pev->origin, pev->origin + gpGlobals->v_forward * LEECH_CHECK_DIST );
|
||
|
m_pt->PointsInit( pev->origin, pev->origin - gpGlobals->v_right * (pev->avelocity.y*0.25) );
|
||
|
if ( m_fPathBlocked )
|
||
|
{
|
||
|
float color = m_obstacle * 30;
|
||
|
if ( m_obstacle == 1.0 )
|
||
|
color = 0;
|
||
|
if ( color > 255 )
|
||
|
color = 255;
|
||
|
m_pb->SetColor( 255, (int)color, (int)color );
|
||
|
}
|
||
|
else
|
||
|
m_pb->SetColor( 255, 255, 0 );
|
||
|
m_pt->SetColor( 0, 0, 255 );
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
|
||
|
void CLeech::SwimThink( void )
|
||
|
{
|
||
|
TraceResult tr;
|
||
|
float flLeftSide;
|
||
|
float flRightSide;
|
||
|
float targetSpeed;
|
||
|
float targetYaw = 0;
|
||
|
CBaseEntity *pTarget;
|
||
|
|
||
|
if ( FNullEnt( FIND_CLIENT_IN_PVS( edict() ) ) )
|
||
|
{
|
||
|
pev->nextthink = gpGlobals->time + RANDOM_FLOAT(1,1.5);
|
||
|
pev->velocity = g_vecZero;
|
||
|
return;
|
||
|
}
|
||
|
else
|
||
|
pev->nextthink = gpGlobals->time + 0.1;
|
||
|
|
||
|
targetSpeed = LEECH_SWIM_SPEED;
|
||
|
|
||
|
if ( m_waterTime < gpGlobals->time )
|
||
|
RecalculateWaterlevel();
|
||
|
|
||
|
if ( m_stateTime < gpGlobals->time )
|
||
|
SwitchLeechState();
|
||
|
|
||
|
ClearConditions( bits_COND_CAN_MELEE_ATTACK1 );
|
||
|
switch( m_MonsterState )
|
||
|
{
|
||
|
case MONSTERSTATE_COMBAT:
|
||
|
pTarget = m_hEnemy;
|
||
|
if ( !pTarget )
|
||
|
SwitchLeechState();
|
||
|
else
|
||
|
{
|
||
|
// Chase the enemy's eyes
|
||
|
m_height = pTarget->pev->origin.z + pTarget->pev->view_ofs.z - 5;
|
||
|
// Clip to viable water area
|
||
|
if ( m_height < m_bottom )
|
||
|
m_height = m_bottom;
|
||
|
else if ( m_height > m_top )
|
||
|
m_height = m_top;
|
||
|
Vector location = pTarget->pev->origin - pev->origin;
|
||
|
location.z += (pTarget->pev->view_ofs.z);
|
||
|
if ( location.Length() < 40 )
|
||
|
SetConditions( bits_COND_CAN_MELEE_ATTACK1 );
|
||
|
// Turn towards target ent
|
||
|
targetYaw = UTIL_VecToYaw( location );
|
||
|
|
||
|
targetYaw = UTIL_AngleDiff( targetYaw, UTIL_AngleMod( pev->angles.y ) );
|
||
|
|
||
|
if ( targetYaw < (-LEECH_TURN_RATE*0.75) )
|
||
|
targetYaw = (-LEECH_TURN_RATE*0.75);
|
||
|
else if ( targetYaw > (LEECH_TURN_RATE*0.75) )
|
||
|
targetYaw = (LEECH_TURN_RATE*0.75);
|
||
|
else
|
||
|
targetSpeed *= 2;
|
||
|
}
|
||
|
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
if ( m_zTime < gpGlobals->time )
|
||
|
{
|
||
|
float newHeight = RANDOM_FLOAT( m_bottom, m_top );
|
||
|
m_height = 0.5 * m_height + 0.5 * newHeight;
|
||
|
m_zTime = gpGlobals->time + RANDOM_FLOAT( 1, 4 );
|
||
|
}
|
||
|
if ( RANDOM_LONG( 0, 100 ) < 10 )
|
||
|
targetYaw = RANDOM_LONG( -30, 30 );
|
||
|
pTarget = NULL;
|
||
|
// oldorigin test
|
||
|
if ( (pev->origin - pev->oldorigin).Length() < 1 )
|
||
|
{
|
||
|
// If leech didn't move, there must be something blocking it, so try to turn
|
||
|
m_sideTime = 0;
|
||
|
}
|
||
|
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
m_obstacle = ObstacleDistance( pTarget );
|
||
|
pev->oldorigin = pev->origin;
|
||
|
if ( m_obstacle < 0.1 )
|
||
|
m_obstacle = 0.1;
|
||
|
|
||
|
// is the way ahead clear?
|
||
|
if ( m_obstacle == 1.0 )
|
||
|
{
|
||
|
// if the leech is turning, stop the trend.
|
||
|
if ( m_flTurning != 0 )
|
||
|
{
|
||
|
m_flTurning = 0;
|
||
|
}
|
||
|
|
||
|
m_fPathBlocked = FALSE;
|
||
|
pev->speed = UTIL_Approach( targetSpeed, pev->speed, LEECH_SWIM_ACCEL * LEECH_FRAMETIME );
|
||
|
pev->velocity = gpGlobals->v_forward * pev->speed;
|
||
|
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
m_obstacle = 1.0 / m_obstacle;
|
||
|
// IF we get this far in the function, the leader's path is blocked!
|
||
|
m_fPathBlocked = TRUE;
|
||
|
|
||
|
if ( m_flTurning == 0 )// something in the way and leech is not already turning to avoid
|
||
|
{
|
||
|
Vector vecTest;
|
||
|
// measure clearance on left and right to pick the best dir to turn
|
||
|
vecTest = pev->origin + (gpGlobals->v_right * LEECH_SIZEX) + (gpGlobals->v_forward * LEECH_CHECK_DIST);
|
||
|
UTIL_TraceLine(pev->origin, vecTest, missile, edict(), &tr);
|
||
|
flRightSide = tr.flFraction;
|
||
|
|
||
|
vecTest = pev->origin + (gpGlobals->v_right * -LEECH_SIZEX) + (gpGlobals->v_forward * LEECH_CHECK_DIST);
|
||
|
UTIL_TraceLine(pev->origin, vecTest, missile, edict(), &tr);
|
||
|
flLeftSide = tr.flFraction;
|
||
|
|
||
|
// turn left, right or random depending on clearance ratio
|
||
|
float delta = (flRightSide - flLeftSide);
|
||
|
if ( delta > 0.1 || (delta > -0.1 && RANDOM_LONG(0,100)<50) )
|
||
|
m_flTurning = -LEECH_TURN_RATE;
|
||
|
else
|
||
|
m_flTurning = LEECH_TURN_RATE;
|
||
|
}
|
||
|
pev->speed = UTIL_Approach( -(LEECH_SWIM_SPEED*0.5), pev->speed, LEECH_SWIM_DECEL * LEECH_FRAMETIME * m_obstacle );
|
||
|
pev->velocity = gpGlobals->v_forward * pev->speed;
|
||
|
}
|
||
|
pev->ideal_yaw = m_flTurning + targetYaw;
|
||
|
UpdateMotion();
|
||
|
}
|
||
|
|
||
|
|
||
|
void CLeech::Killed(entvars_t *pevAttacker, int iGib)
|
||
|
{
|
||
|
Vector vecSplatDir;
|
||
|
TraceResult tr;
|
||
|
|
||
|
//ALERT(at_aiconsole, "Leech: killed\n");
|
||
|
// tell owner ( if any ) that we're dead.This is mostly for MonsterMaker functionality.
|
||
|
CBaseEntity *pOwner = CBaseEntity::Instance(pev->owner);
|
||
|
if (pOwner)
|
||
|
pOwner->DeathNotice(pev);
|
||
|
|
||
|
// When we hit the ground, play the "death_end" activity
|
||
|
if ( pev->waterlevel )
|
||
|
{
|
||
|
pev->angles.z = 0;
|
||
|
pev->angles.x = 0;
|
||
|
pev->origin.z += 1;
|
||
|
pev->avelocity = g_vecZero;
|
||
|
if ( RANDOM_LONG( 0, 99 ) < 70 )
|
||
|
pev->avelocity.y = RANDOM_LONG( -720, 720 );
|
||
|
|
||
|
pev->gravity = 0.02;
|
||
|
ClearBits(pev->flags, FL_ONGROUND);
|
||
|
SetActivity( ACT_DIESIMPLE );
|
||
|
}
|
||
|
else
|
||
|
SetActivity( ACT_DIEFORWARD );
|
||
|
|
||
|
pev->movetype = MOVETYPE_TOSS;
|
||
|
pev->takedamage = DAMAGE_NO;
|
||
|
SetThink( &CLeech::DeadThink );
|
||
|
}
|
||
|
|
||
|
|