/*
==============================================================================

SETNTIEN

==============================================================================
*/

#include "g_local.h"
#include "z_anim.h"
#include "z_sentien.h"


/*=========================================================================
   Sentien laser routines ... adapted from Zaero g_target.c
  =========================================================================*/
void sentien_laser_think (edict_t *self)
{
	edict_t	*ignore;
	vec3_t	start;
	vec3_t	end;
	trace_t	tr;
	vec3_t	point;
	vec3_t	last_movedir;
	int		count;

	if (self->spawnflags & 0x80000000)
		count = 8;
	else
		count = 4;

	if (self->enemy)
	{
		VectorCopy (self->movedir, last_movedir);
		VectorMA (self->enemy->absmin, 0.5, self->enemy->size, point);
		VectorSubtract (point, self->s.origin, self->movedir);
		VectorNormalize (self->movedir);
		if (!VectorCompare(self->movedir, last_movedir))
			self->spawnflags |= 0x80000000;
	}

	ignore = self;
	VectorCopy (self->s.origin, start);
	VectorMA (start, 2048, self->movedir, end);
	while(1)
	{
		tr = gi.trace (start, NULL, NULL, end, ignore, CONTENTS_SOLID|CONTENTS_MONSTER|CONTENTS_DEADMONSTER);

		if (!tr.ent)
			break;

		// hurt it if we can
		if ((tr.ent->takedamage) && !(tr.ent->flags & FL_IMMUNE_LASER))
			T_Damage (tr.ent, self, self->activator, self->movedir, tr.endpos, vec3_origin, self->dmg, 1, DAMAGE_ENERGY, MOD_TARGET_LASER);

		// if we hit something that's not a monster or player or is immune to lasers, we're done
		if (!(tr.ent->svflags & SVF_MONSTER) && (!tr.ent->client))
		{
			if (self->spawnflags & 0x80000000)
			{
				self->spawnflags &= ~0x80000000;
				gi.WriteByte (svc_temp_entity);
				gi.WriteByte (TE_LASER_SPARKS);
				gi.WriteByte (count);
				gi.WritePosition (tr.endpos);
				gi.WriteDir (tr.plane.normal);
				gi.WriteByte (self->s.skinnum);
				gi.multicast (tr.endpos, MULTICAST_PVS);
			}
			break;
		}

		ignore = tr.ent;
		VectorCopy (tr.endpos, start);
	}

	VectorCopy (tr.endpos, self->s.old_origin);

	self->nextthink = level.time + FRAMETIME;
}

void sentien_laser_on (edict_t *self)
{
	if (!self->activator)
		self->activator = self;
	self->spawnflags |= 0x80000001;
	self->svflags &= ~SVF_NOCLIENT;
	sentien_laser_think (self);
}

void sentien_laser_off (edict_t *self)
{
	self->spawnflags &= ~1;
	self->svflags |= SVF_NOCLIENT;
	self->nextthink = 0;
}


/*=========================================================================
   Sentien sound routines ... used from animation frames (and code).
  =========================================================================*/
static int sound_idle1;
static int sound_idle2;
static int sound_idle3;
static int sound_walk;
static int sound_fend;
static int sound_pain1;
static int sound_pain2;
static int sound_pain3;
static int sound_die1;
static int sound_die2;
static int sound_att1;
static int sound_att2;
static int sound_att3;

void sentien_sound_footstep (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_walk, 1, ATTN_NORM, 0);
}

void sentien_sound_idle1 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_idle1, 1, ATTN_IDLE, 0);
}

void sentien_sound_idle2 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_idle2, 1, ATTN_IDLE, 0);
}

void sentien_sound_idle3 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_idle3, 1, ATTN_IDLE, 0);
}

void sentian_sound_att1 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_att1, 1, ATTN_NORM, 0);
}

void sentian_sound_att2 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_att2, 1, ATTN_NORM, 0);
}

void sentian_sound_att3 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_att3, 1, ATTN_NORM, 0);
}

void sentian_sound_fend (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_fend, 1, ATTN_NORM, 0);
}

void sentian_sound_pain1 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_pain1, 1, ATTN_NORM, 0);
}

void sentian_sound_pain2 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_pain2, 1, ATTN_NORM, 0);
}

void sentian_sound_pain3 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_pain3, 1, ATTN_NORM, 0);
}

void sentian_sound_die1 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_die1, 1, ATTN_NORM, 0);
}

void sentian_sound_die2 (edict_t *self)
{
	gi.sound(self, CHAN_BODY, sound_die2, 1, ATTN_NORM, 0);
}


/*=========================================================================
   Sentien standing frames
  =========================================================================*/
mframe_t sentien_frames_stand1 []=
{
	ai_stand, 0, sentien_sound_idle1,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL
};

mframe_t sentien_frames_stand2 []=
{
	ai_stand, 0, sentien_sound_idle2,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
};

mframe_t sentien_frames_stand3 []=
{
	ai_stand, 0, sentien_sound_idle1,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
	ai_stand, 0, NULL,
};

void sentien_stand(edict_t *self);
void sentien_stand_whatnow(edict_t *self);
void sentien_stand_earwax(edict_t *self);

mmove_t   sentien_move_stand1 = {FRAME_stand1start, FRAME_stand1end, 
                               sentien_frames_stand1, sentien_stand_whatnow};

mmove_t   sentien_move_stand2 = {FRAME_stand2start, FRAME_stand2end, 
                               sentien_frames_stand2, sentien_stand_whatnow};

mmove_t   sentien_move_stand3 = {FRAME_stand3start, FRAME_stand3end, 
                               sentien_frames_stand3, sentien_stand_earwax};

void sentien_stand(edict_t *self)
{
	sentien_laser_off (self->flash);

	self->monsterinfo.currentmove = &sentien_move_stand1;
}

void sentien_stand_whatnow (edict_t *self)
{
	float r;
	r = random();

	if (r < self->random)
	{
		self->monsterinfo.currentmove = &sentien_move_stand1;
		self->random -= 0.05;
	}
	else 
	{
		r = random();
		if (r < 0.5)
			self->monsterinfo.currentmove = &sentien_move_stand2;
		else
			self->monsterinfo.currentmove = &sentien_move_stand3;

		self->random = 1;
	}
}

void sentien_stand_earwax (edict_t *self)
{
	if (random() > 0.80)
	{
		//more ear wax damn it, try again
		self->monsterinfo.currentmove = &sentien_move_stand3;
		//gi.sound ... some frustration maybe
	}
	else
		sentien_stand_whatnow(self);
}

/*=========================================================================
   Sentien walking frames
  =========================================================================*/
mframe_t sentien_frames_walk_start []=
{
	ai_walk, 0.0, NULL,
	ai_walk, 1.5, NULL,
	ai_walk, 2.9, NULL,
	ai_walk, 2.4, NULL,
	ai_walk, 2.1, NULL,
	ai_walk, 2.6, NULL,
	ai_walk, 2.1, NULL,
	ai_walk, 1.8, sentien_sound_footstep,
	//ai_walk, 0.3, NULL
};

mframe_t sentien_frames_walk []=
{
	ai_walk, 0.3, NULL,
	ai_walk, 2.4, NULL,
	ai_walk, 4.0, NULL,
	ai_walk, 3.5, NULL,
	ai_walk, 3.6, NULL,
	ai_walk, 3.7 * 1.1, NULL,
	ai_walk, 3.1 * 1.3, NULL,
	ai_walk, 4.1 * 1.2, sentien_sound_footstep,
	//ai_walk, 2.0, NULL, // change leg

	ai_walk, 2.0, NULL,
	ai_walk, 2.6, NULL, // 2.4
	ai_walk, 3.8, NULL, // 3.9
	ai_walk, 3.6, NULL,
	ai_walk, 3.6, NULL,
	ai_walk, 4.3, NULL,
	ai_walk, 4.2 * 1.2, NULL,
	ai_walk, 5.2, sentien_sound_footstep, // 4.1
	//ai_walk, 0.8, NULL  // 2.0 change leg
};

mframe_t sentien_frames_walk_end []=
{
	ai_walk, 0.8, NULL,
	ai_walk, 1.0, NULL,
	ai_walk, 1.6, NULL,
	ai_walk, 1.4, NULL,
	ai_walk, 1.5, NULL,
	ai_walk, 1.4, NULL,
	ai_walk, 1.5, NULL,
	ai_walk, 1.8, sentien_sound_footstep,
	//ai_walk, 2.3, NULL // ??? I dunno about that one (Max)
};

void sentien_walk (edict_t *self);

mmove_t   sentien_move_walk_start = {FRAME_walkStartStart, FRAME_walkStartEnd, 
                        sentien_frames_walk_start, sentien_walk};

mmove_t   sentien_move_walk = {FRAME_walkLoopStart, FRAME_walkLoopEnd, 
                            sentien_frames_walk, NULL};

mmove_t   sentien_move_walk_end = {FRAME_walkEndStart, FRAME_walkEndEnd, 
                               sentien_frames_walk_end, sentien_stand};

void sentien_walk (edict_t *self)
{
	sentien_laser_off (self->flash);

	if (self->monsterinfo.currentmove == &sentien_move_walk)
		return;

	if (self->monsterinfo.currentmove == &sentien_move_stand1 ||
		self->monsterinfo.currentmove == &sentien_move_stand2 ||
		self->monsterinfo.currentmove == &sentien_move_stand3)
	{
		self->monsterinfo.currentmove = &sentien_move_walk_start;
	}
	else
	{
		self->monsterinfo.currentmove = &sentien_move_walk;
	}
}


/*=========================================================================
   Sentien running frames
  =========================================================================*/
mframe_t sentien_frames_run_start []=
{
	ai_run, 0.0, NULL,
	ai_run, 1.5, NULL,
	ai_run, 2.9, NULL,
	ai_run, 2.4, NULL,
	ai_run, 2.1, NULL,
	ai_run, 2.6, NULL,
	ai_run, 2.1, NULL,
	ai_run, 1.8, sentien_sound_footstep,
	//ai_run, 0.3, NULL
};

mframe_t sentien_frames_run []=
{
	ai_run, 0.3 * 1.2, NULL,
	ai_run, 2.4, NULL,
	ai_run, 4.0, NULL,
	ai_run, 3.5, NULL,
	ai_run, 3.6, NULL,
	ai_run, 3.7 * 1.1, NULL,
	ai_run, 3.1 * 1.3, NULL,
	ai_run, 4.1 * 1.2, sentien_sound_footstep,
	//ai_run, 2.0, NULL, // change leg

	ai_run, 2.0, NULL,
	ai_run, 2.6, NULL, // 2.4
	ai_run, 3.8, NULL, // 3.9
	ai_run, 3.6, NULL,
	ai_run, 3.6, NULL,
	ai_run, 4.3, NULL,
	ai_run, 4.2 * 1.2, NULL,
	ai_run, 5.2, sentien_sound_footstep, // 4.1
	//ai_run, 0.8, NULL  // 2.0 change leg
};

mframe_t sentien_frames_run_end []=
{
	ai_run, 0.8, NULL,
	ai_run, 1.0, NULL,
	ai_run, 1.6, NULL,
	ai_run, 1.4, NULL,
	ai_run, 1.5, NULL,
	ai_run, 1.4, NULL,
	ai_run, 1.5, NULL,
	ai_run, 1.8, sentien_sound_footstep,
	//ai_run, 2.3, NULL // ??? I dunno about that one (Max)
};

void sentien_run(edict_t *self);

mmove_t   sentien_move_run_start = {FRAME_walkStartStart, FRAME_walkStartEnd, 
                        sentien_frames_run_start, sentien_run};

mmove_t   sentien_move_run = {FRAME_walkLoopStart, FRAME_walkLoopEnd, 
                           sentien_frames_run, NULL};

mmove_t   sentien_move_run_end = {FRAME_walkEndStart, FRAME_walkEndEnd, 
                              sentien_frames_run_end, sentien_stand};

void sentien_run (edict_t *self)
{
	sentien_laser_off (self->flash);

	if (self->monsterinfo.aiflags & AI_STAND_GROUND)
	{
		self->monsterinfo.currentmove = &sentien_move_stand1;
		return;
	}

	if (self->monsterinfo.currentmove == &sentien_move_run)
		return;

	if (self->monsterinfo.currentmove == &sentien_move_walk ||
		self->monsterinfo.currentmove == &sentien_move_run_start)
	{
		self->monsterinfo.currentmove = &sentien_move_run;
	}
	else
	{
		self->monsterinfo.currentmove = &sentien_move_run_start;
	}
}


/*=========================================================================
   Sentien blaster attack.
  =========================================================================*/
void sentien_do_blast(edict_t *self);

mframe_t sentien_frames_pre_blast_attack []=
{
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
	ai_charge, 0, NULL
};

mframe_t sentien_frames_blast_attack []=
{
	ai_charge, 0, sentien_do_blast,
	ai_charge, 0, sentien_do_blast,
	ai_charge, 0, sentien_do_blast,
	ai_charge, 0, sentien_do_blast,
	ai_charge, 0, sentien_do_blast,
	ai_charge, 0, sentien_do_blast,
};

mframe_t sentien_frames_post_blast_attack []=
{
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
};

void sentien_blast_attack(edict_t *self);
void sentien_post_blast_attack(edict_t *self);

mmove_t   sentien_move_pre_blast_attack = {   FRAME_blastPreStart, FRAME_blastPreEnd, 
                              sentien_frames_pre_blast_attack, sentien_blast_attack};

void sentien_post_blast_attack(edict_t *self);
mmove_t   sentien_move_blast_attack = {   FRAME_blastStart, FRAME_blastEnd, 
                           sentien_frames_blast_attack, sentien_post_blast_attack};

mmove_t   sentien_move_post_blast_attack = {   FRAME_blastPostStart, FRAME_blastPostEnd, 
                                 sentien_frames_post_blast_attack, sentien_run};

void sentien_blast_attack (edict_t *self)
{
	sentien_laser_off (self->flash);

	self->monsterinfo.currentmove = &sentien_move_blast_attack;

	// is a player right infront?
	if (visible(self, self->enemy) &&
		infront(self, self->enemy))
	{
		self->monsterinfo.currentmove = &sentien_move_blast_attack;
	}
	else
		self->monsterinfo.currentmove = &sentien_move_post_blast_attack;
}


void sentien_post_blast_attack (edict_t *self)
{
	float refire = 0.25;

	if (visible(self, self->enemy) &&
		infront(self, self->enemy))
	{
		if (skill->value == 1)
			refire = 0.40;
		else if (skill->value == 2)
			refire = 0.60;
		else if (skill->value >= 3)
			refire = 0.75;

		if (random() > refire)
			self->monsterinfo.currentmove = &sentien_move_post_blast_attack;
	}
	else
		self->monsterinfo.currentmove = &sentien_move_post_blast_attack;
}

void sentien_fire_bullet (edict_t *self, vec3_t start, vec3_t dir, int damage)
{
	if (EMPNukeCheck(self, self->s.origin))
	{
		gi.sound (self, CHAN_AUTO, gi.soundindex("items/empnuke/emp_missfire.wav"), 1, ATTN_NORM, 0);
		return;
	}

	ANIM_AIM(self, dir);
	fire_bullet (self, start, dir, 2, 4,
							DEFAULT_BULLET_HSPREAD, DEFAULT_BULLET_VSPREAD,
							MOD_UNKNOWN);

	sentian_sound_att1(self);
}

vec3_t sentien_flash_offset [] =
{
	// frames 116+ (hex fire)
	23.7, 25.4, 29.6,
	23.7, 25.3, 26.7,
	23.7, 27.7, 28.1,
	23.7, 27.4, 31.2,
	23.7, 24.9, 32.3,
	23.7, 22.5, 30.6,
	23.7, 22.7, 27.8
};

void sentien_do_blast (edict_t *self)
{
	vec3_t   start;
	vec3_t   forward, right;
	vec3_t   aim;
	vec3_t   end;
	int      idx;

	idx = self->s.frame - FRAME_blastStart + 1;

	AngleVectors (self->s.angles, forward, right, NULL);

	G_ProjectSource (self->s.origin, sentien_flash_offset[0],
									forward, right, start);

	VectorCopy (self->enemy->s.origin, end);
	end[2] += self->enemy->viewheight;
	VectorSubtract (end, start, aim);

	//need to compare aim with facing to make sure we are not
	//aiming too far sideways and correct if we are.

	G_ProjectSource (self->s.origin, sentien_flash_offset[idx],
									forward, right, start);

	//monster_fire_blaster(self, start, aim, 2, 1000,
	//                     MZ2_MEDIC_BLASTER_1, EF_BLUEHYPERBLASTER, BLASTER_BLUE);

	if (EMPNukeCheck(self, start))
	{
		gi.sound (self, CHAN_AUTO, gi.soundindex("items/empnuke/emp_missfire.wav"), 1, ATTN_NORM, 0);
		return;
	}

	sentien_fire_bullet(self, start, aim, 5);
}


/*=========================================================================
   Sentien laser attack.
  =========================================================================*/
void sentien_do_laser (edict_t *self);

mframe_t sentien_frames_pre_laser_attack []=
{
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
	ai_charge, 0, NULL
};

mframe_t sentien_frames_laser_attack []=
{
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser,
	NULL, 0, sentien_do_laser
};

mframe_t sentien_frames_post_laser_attack []=
{
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
	ai_charge, 0, NULL,
	ai_charge, 0, NULL
};

void sentien_laser_attack(edict_t *self);
void sentien_post_laser_attack(edict_t *self);

mmove_t   sentien_move_pre_laser_attack = {   FRAME_laserPreStart, FRAME_laserPreEnd, 
                              sentien_frames_pre_laser_attack, sentien_laser_attack};

mmove_t   sentien_move_laser_attack = {   FRAME_laserStart, FRAME_laserEnd, 
                           sentien_frames_laser_attack, sentien_post_laser_attack};

mmove_t   sentien_move_post_laser_attack = {   FRAME_laserPostStart, FRAME_laserPostEnd, 
                                 sentien_frames_post_laser_attack, sentien_run};

void sentien_laser_attack (edict_t *self)
{
	// is a player right infront?
	if (visible(self, self->enemy) &&
		infront(self, self->enemy))
	{
		self->monsterinfo.currentmove = &sentien_move_laser_attack;
	}
	else
	{
		self->monsterinfo.currentmove = &sentien_move_post_laser_attack;
		sentien_laser_off (self->flash);
	}
}

void sentien_post_laser_attack (edict_t *self)
{
	self->monsterinfo.currentmove = &sentien_move_post_laser_attack;
	sentien_laser_off (self->flash);
}

void blaster_touch (edict_t *self, edict_t *other, cplane_t *plane, csurface_t *surf);

vec3_t sentien_laser_offset [] =
{
	43.8, -22.8 + 1, 43.6 - 0.8,
	44.2, -22.9 + 1, 43.9 - 0.8,
	43.9, -22.8 + 1, 44.0 - 0.8,
	43.2, -23.0 + 1, 44.0 - 0.8,
	42.4, -23.4 + 1, 43.9 - 0.8,
	42.0, -23.5 + 1, 44.0 - 0.8,
	42.4, -23.3 + 1, 44.0 - 0.8,
	43.1, -23.1 + 1, 43.9 - 0.8,
	43.8, -22.9 + 1, 43.9 - 0.8,
	44.2, -22.8 + 1, 44.1 - 0.8,
	43.8, -22.8 + 1, 43.5 - 0.8
};

void sentien_do_laser (edict_t *self)
{
	vec3_t start, end, forward, right, up;
	vec3_t   aim, ang;
	float      r;
	int idx;

	if (EMPNukeCheck(self, self->s.origin))
	{
		gi.sound (self, CHAN_AUTO, gi.soundindex("items/empnuke/emp_missfire.wav"), 1, ATTN_NORM, 0);
		return;
	}

	// if enemy isn't in range anymore, then get to the post laser routine
	if (self->s.frame == FRAME_laserStart)
	{
		sentien_laser_off (self->flash);
		self->flash->s.skinnum = 0xf2f2f0f0;
		sentien_laser_on (self->flash);
	}

	idx = (self->s.frame - FRAME_laserStart);

	AngleVectors (self->s.angles, forward, right, up);
	G_ProjectSource (self->s.origin, sentien_laser_offset[idx],
								 forward, right, start);
	VectorCopy (start, self->flash->s.origin);

	if (self->s.frame == FRAME_laserStart)
	{
		VectorCopy (self->enemy->s.origin, end);
		end[2] += self->enemy->viewheight * 66/100;

		r = crandom() * 20;
		VectorMA (end, r, right, end);

		VectorSubtract (end, start, aim);
		VectorNormalize(aim);
		ANIM_AIM(self, aim);

		vectoangles (aim, ang);

		VectorCopy (ang, self->flash->s.angles);

		G_SetMovedir (self->flash->s.angles, self->flash->movedir);

		sentian_sound_att2 (self);
	}
}


void sentien_attack (edict_t *self)
{

	vec3_t	vec;
	float	range;
	float	r;

   sentien_laser_off (self->flash);

//	sentien_run(self); // to test walking
//	return;

	VectorSubtract (self->enemy->s.origin, self->s.origin, vec);
	range = VectorLength (vec);

	r = random();

	if (range <= 128)
		self->monsterinfo.currentmove = &sentien_move_pre_blast_attack;
	else if (range <= 500)
	{
		if (r < 0.50)
			self->monsterinfo.currentmove = &sentien_move_pre_blast_attack;
		else 
			self->monsterinfo.currentmove = &sentien_move_pre_laser_attack;
	}
	else
	{
		if (r < 0.25)
			self->monsterinfo.currentmove = &sentien_move_pre_blast_attack;
		else 
			self->monsterinfo.currentmove = &sentien_move_pre_laser_attack;
	}
}


/*=========================================================================
   Sentien fending.
  =========================================================================*/

void sentien_fend_ready (edict_t *self)
{
	if (self->monsterinfo.aiflags2 & AI2_REDUCEDDAMAGE)
		return;
	self->monsterinfo.pausetime = level.time + 1;
}

void sentien_fend_hold (edict_t *self)
{
	if (level.time >= self->monsterinfo.pausetime)
	{
		self->monsterinfo.aiflags &= ~AI_HOLD_FRAME;
		self->monsterinfo.aiflags2 &= ~AI2_REDUCEDDAMAGE;
	}
	else
	{
		self->monsterinfo.aiflags |= AI_HOLD_FRAME;
		self->monsterinfo.aiflags2 |= AI2_REDUCEDDAMAGE;
	}
}


mframe_t sentien_frames_fend [] =
{
	ai_move, 0,  sentian_sound_fend,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  sentien_fend_ready,
	ai_move, 0,  sentien_fend_hold, 
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL
};
mmove_t sentien_move_fend = {FRAME_dodgeStart, FRAME_dodgeEnd, sentien_frames_fend, sentien_run};

void sentien_fend (edict_t *self, edict_t *attacker, float eta, trace_t *tr)
{
	// don't flinch if attacking
	if (self->monsterinfo.currentmove == &sentien_move_laser_attack ||
			self->monsterinfo.currentmove == &sentien_move_blast_attack)
		return;

	if (skill->value == 0)
	{
		if (random() > 0.45)
			return;
	}
	else if (skill->value == 1)
	{
		if (random() > 0.60)
			return;
	}
	else
	{
		if (random() > 0.80)
			return;
	}

	if (!self->enemy)
		self->enemy = attacker;

	self->monsterinfo.currentmove = &sentien_move_fend;
}


/*=========================================================================
   Touch me sentien.
  =========================================================================*/
mframe_t sentien_frames_pain1 [] =
{
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL
};

mframe_t sentien_frames_pain2 [] =
{
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL
};

mframe_t sentien_frames_pain3 [] =
{
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL,
	ai_move, 0, NULL
};

mmove_t sentien_move_pain1 = {FRAME_pain1Start, FRAME_pain1End,
                            sentien_frames_pain1, sentien_run};
mmove_t sentien_move_pain2 = {FRAME_pain2Start, FRAME_pain2End,
                            sentien_frames_pain2, sentien_run};
mmove_t sentien_move_pain3 = {FRAME_pain3Start, FRAME_pain3End,
                            sentien_frames_pain3, sentien_run};

void sentien_pain (edict_t *self, edict_t *other, float kick, int damage)
{
	float r;

	if (self->health < (self->max_health / 2))
	{
		self->s.skinnum |= 1;
		if (!(self->fogclip & 2)) //custom bloodtype flag check
			self->blood_type = 3; //sparks and blood
	}

	// less than this we don't flinch
	if (damage <= 10)
		return;

	r = random();
	if (r < 0.33)
		sentian_sound_pain1(self);
	else if (r < 0.66)
		sentian_sound_pain2(self);
	else
	{
	//	sentian_sound_pain3(self);
	}

	if (level.time < self->pain_debounce_time)
		return;

	if (self->monsterinfo.aiflags & AI_HOLD_FRAME)
	{
		return;
	}

	if (skill->value >= 1)
	{
		// don't flinch if attacking
		if (self->monsterinfo.currentmove == &sentien_move_laser_attack ||
				self->monsterinfo.currentmove == &sentien_move_blast_attack)
			return;
	}
	if (skill->value == 3)
		return;      // no pain anims in nightmare

	sentien_laser_off (self->flash);

	r = random();
	if (damage > 60 && r < 0.3)
		self->monsterinfo.currentmove = &sentien_move_pain3;
	else if (damage > 30 && r < 0.5)
		self->monsterinfo.currentmove = &sentien_move_pain2;
	else if (r < 0.7)
		self->monsterinfo.currentmove = &sentien_move_pain1;

	self->pain_debounce_time = level.time + 3;
}

/*=========================================================================
   Kill me Elmo.
  =========================================================================*/
mframe_t sentien_frames_death1 [] =
{
	ai_move, 0,  sentian_sound_die1,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL
};

mframe_t sentien_frames_death2 [] =
{
	ai_move, 0,  sentian_sound_die2,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL,
	ai_move, 0,  NULL
};

void sentien_dead (edict_t *self);

mmove_t   sentien_move_death1 = {FRAME_die1Start, FRAME_die1End,
                               sentien_frames_death1, sentien_dead};
mmove_t   sentien_move_death2 = {FRAME_die2Start, FRAME_die2End,
                               sentien_frames_death2, sentien_dead};

vec3_t sentien_death_offset [] =
{
	// right, forward
	// VectorSet (self->mins, -50, 6, -16);
	// VectorSet (self->maxs, -12, 44, 0);
	6, -50, 0,
	44, -12, 0
};

#define MIN(x, y) (x < y) ? x: y
#define MAX(x, y) (x < y) ? y: x

void sentien_dead (edict_t *self)
{
	vec3_t   start, end, point;
	vec3_t   forward, right;

	AngleVectors (self->s.angles, forward, right, NULL);
	G_ProjectSource (self->s.origin, sentien_death_offset[0],
		forward, right, point);
	VectorSubtract (point, self->s.origin, start);

	G_ProjectSource (self->s.origin, sentien_death_offset[1],
		forward, right, point);
	VectorSubtract (point, self->s.origin, end);

	VectorSet (self->mins, min(start[0], end[0]), min(start[1], end[1]), -16);
	VectorSet (self->maxs, max(start[0], end[0]), max(start[1], end[1]), 0);

	self->movetype = MOVETYPE_TOSS;
	self->svflags |= SVF_DEADMONSTER;
	self->nextthink = 0;
	gi.linkentity(self);
}

void sentien_die (edict_t *self, edict_t *inflictor, edict_t *attacker, int damage, vec3_t point)
{
	int n;

	//   sentien_laser_off (self->flash);
	// Knightmare- free laser on death, as resurrection by a medic will call
	// the spawn function again, and would leak the exisiting laser entity.
	if (self->flash) {
		//	gi.dprintf ("removing sentien laser on death.\n");
		sentien_laser_off (self->flash);
		G_FreeEdict (self->flash);
		self->flash = NULL;
	}
	// end Knightmare

	// gib code to go here
	if (self->health <= self->gib_health && !(self->spawnflags & SF_MONSTER_NOGIB))
	{
		gi.sound (self, CHAN_VOICE, gi.soundindex ("misc/udeath.wav"), 1, ATTN_NORM, 0);
		for (n= 0; n < 12; n++)
			ThrowGib (self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
		for (n= 0; n < 12; n++)
			ThrowGib (self, "models/objects/gibs/sm_metal/tris.md2", damage, GIB_METALLIC);
		for (n= 0; n < 6; n++)
			ThrowGib (self, "models/objects/gibs/gear/tris.md2", damage, GIB_METALLIC);
		ThrowGib (self, "models/objects/gibs/chest/tris.md2", damage, GIB_ORGANIC);
		ThrowHead (self, "models/objects/gibs/gear/tris.md2", damage, GIB_METALLIC);
		self->deadflag = DEAD_DEAD;
		return;
	}

	if (self->deadflag == DEAD_DEAD)
		return;

	self->deadflag = DEAD_DEAD;
	self->takedamage = DAMAGE_YES;
	self->s.skinnum |= 1;

	if (random() < 0.80)
		self->monsterinfo.currentmove = &sentien_move_death1;
	else
		self->monsterinfo.currentmove = &sentien_move_death2;
}


/*=========================================================================
   Spawn code.
  =========================================================================*/
void create_sentien_laser (edict_t *self)
{
	vec3_t start;
	vec3_t forward, right;

	self->flash = G_Spawn();
	self->flash->movetype = MOVETYPE_NONE;
	self->flash->solid = SOLID_BBOX;//SOLID_NOT;
	self->flash->s.renderfx = RF_BEAM|RF_TRANSLUCENT;
	self->flash->s.modelindex = 2;
//	self->flash->s.sound = gi.soundindex ("world/laser.wav");
	self->flash->classname = "laser_yaya";
	self->flash->s.frame = 2;
	self->flash->owner = self;
	self->flash->s.skinnum = 0xd0d1d2d3;
	self->flash->dmg = 8;
	self->flash->think = sentien_laser_think;

	AngleVectors(self->s.angles, forward, right, NULL);
	G_ProjectSource(self->s.origin, sentien_laser_offset[0],
		forward, right, start);

	VectorCopy(start, self->flash->s.origin);
	VectorCopy(self->s.angles, self->flash->s.angles);

	G_SetMovedir(self->flash->s.angles, self->flash->movedir);

	gi.linkentity (self->flash);
	sentien_laser_off (self->flash);
}


void SP_monster_sentien_precache (void)
{

	sound_idle1 = gi.soundindex("monsters/sentien/sen_idle1.wav");
	sound_idle2 = gi.soundindex("monsters/sentien/sen_idle2.wav");
//	sound_idle3 = gi.soundindex("monsters/sentien/sen_idle3.wav");
	sound_walk = gi.soundindex("monsters/sentien/sen_walk.wav");
	sound_fend = gi.soundindex("monsters/sentien/sen_fend.wav");
	sound_pain1 = gi.soundindex("monsters/sentien/sen_pain1.wav");
	sound_pain2 = gi.soundindex("monsters/sentien/sen_pain2.wav");
//	sound_pain3 = gi.soundindex("monsters/sentien/sen_pain3.wav");
	sound_die1 = gi.soundindex("monsters/sentien/sen_die1.wav");
	sound_die2 = gi.soundindex("monsters/sentien/sen_die2.wav");
	sound_att1 = gi.soundindex("monsters/sentien/sen_att1.wav");
	sound_att2 = gi.soundindex("monsters/sentien/sen_att2.wav");
//	sound_att3 = gi.soundindex("monsters/sentien/sen_att3.wav");
}


/*QUAKED monster_sentien (1 .5 0) (-32 -32 -16) (32 32 72) Ambush Trigger_Spawn Sight GoodGuy NoGib
model="models/monsters/sentien/"
*/
void SP_monster_sentien (edict_t *self)
{                  
	if (deathmatch->value)
	{
		G_FreeEdict (self);
		return;
	}

	SP_monster_sentien_precache();

	if (!self->health)
		self->health = 900;
	if (!self->gib_health)
		self->gib_health = -425;
	if (!self->mass)
		self->mass = 500;

	// Lazarus: special purpose skins
	if ( self->style )
	{
		PatchMonsterModel("models/monsters/sentien/tris.md2");
		self->s.skinnum = self->style * 2;
	}

	self->s.modelindex = gi.modelindex ("models/monsters/sentien/tris.md2");
	VectorSet (self->mins, -32, -32, -16);
	VectorSet (self->maxs, 32, 32, 72);
	self->movetype = MOVETYPE_STEP;
	self->solid = SOLID_BBOX;
	self->yaw_speed = 10;
	self->random = 1;

	// setup the functions
	self->pain = sentien_pain;
	self->die = sentien_die;
	self->monsterinfo.stand = sentien_stand;
	self->monsterinfo.walk = sentien_walk;
	self->monsterinfo.run = sentien_run;
	self->monsterinfo.dodge = sentien_fend;
	self->monsterinfo.attack = sentien_attack;
	self->monsterinfo.melee = NULL;
	self->monsterinfo.sight = NULL;
	self->monsterinfo.idle = NULL;

	self->monsterinfo.reducedDamageAmount = 0.85;

	// Lazarus
	if (!self->blood_type)
		self->blood_type = 2; // sparks
	else
		self->fogclip |= 2; // custom bloodtype flag

	if (self->powerarmor)
	{
		if (self->powerarmortype == 1)
			self->monsterinfo.power_armor_type = POWER_ARMOR_SCREEN;
		else
			self->monsterinfo.power_armor_type = POWER_ARMOR_SHIELD;
		self->monsterinfo.power_armor_power = self->powerarmor;
	}
	if (!self->monsterinfo.flies)
		self->monsterinfo.flies = 0.10;

	self->common_name = "Sentien";
	self->class_id = ENTITY_MONSTER_SENTIEN;
	// end Lazarus

	gi.linkentity (self);

	self->flash = NULL;
	gi.linkentity(self);

	create_sentien_laser (self);

	if (skill->value == 2)
	{
		self->flash->dmg *= 1.5;
		self->yaw_speed *= 1.5;
	}
	else if (skill->value >= 3)
	{
		self->flash->dmg *= 2.5;
		self->yaw_speed *= 2;
	}

	self->monsterinfo.currentmove = &sentien_move_stand1;
	self->monsterinfo.scale = MODEL_SCALE;

	walkmonster_start(self);
}