poison dart help!!!!!

function destroy_turret();
function move_bullet();
function remove_bullet();

//////////////////////////////////////////////////////////////

var bullet_speed;

//////////////////////////////////////////////////////////////

sound explode_snd = "boom.wav";
sound dart_snd = <poisondart.wav>;
//////////////////////////////////////////////////////////////

string bullet_mdl = <dart.mdl>;
entity* plBiped01_entity; 
//////////////////////////////////////////////////////////////

action dartstatue
{

	if (my.skill1 == 0) {my.skill1 = 500;} // set the range with skill1, default = 1000 quants
	if (my.skill2 == 0) {my.skill2 = 180;} // default viewing angle in front of the turret = 180	
	my.enable_impact = on;
	my.event = destroy_turret;
	while (plBiped01_entity == null) {wait (1);}
	while (my != null && plBiped01_entity != null)
	{
		my.skill10 = abs(ang(plBiped01_entity.pan) - ang(my.pan)); 
		if (vec_dist (my.x, plBiped01_entity.x) < my.skill1)
		{
			if ((my.skill10 > 180 - my.skill2 / 2) && (my.skill10 < 180 + my.skill2 / 2))
			{
				vec_set (temp.x, plBiped01_entity.x);
				vec_sub (temp.x, my.x);
				vec_to_angle (my.pan, temp);					
				ent_create (bullet_mdl, my.pos, move_bullet);
				snd_play (dart_snd, 30, 0);
			}
		}
		wait (8); // fires 2 bullets a second
	}
}

function destroy_turret()
{
	wait (1);
	if (you == plBiped01_entity) {return;} // can't be destroyed by running into it
	snd_play (explode_snd, 70, 0); 
	ent_remove (me);
}

function move_bullet()
{
	wait (1);
	my.enable_entity = on;
	my.enable_block = on;
	my.event = remove_bullet;
	my.passable = on;
	my.pan = you.pan;
   my.lightred = 250;
	my.lightgreen = 150;
	my.lightrange = 200;
	bullet_speed.x = 100;
	bullet_speed.y = 0;
	bullet_speed.z = 0;
	bullet_speed *= time_step;
	while (my != null)
	{
		if (you == null) {return;}
		if (vec_dist (my.x, you.x) < 100) // don't collide with the turret 
		{
			my.passable = on;
		}
		else	
		{
			my.passable = off;
		}
		ent_move (bullet_speed, nullvector);
		wait (1);
	}
}

function remove_bullet()
{
	wait (1);
	if (you == plBiped01_entity) {
		plBiped01_entity = you;
		plBiped01_entity._armor__003 -= 2; // decrease player's health
		if(you._armor__003 < 0)
{
// flesh damage after armor damage
you._health__003 += you._armor__003;
you._armor__003 = 0;
PlBiped_Damage_Reaction(); // display damage panel
wait(-1);
}
	}	
	ent_remove (me);
}
//////////////////////////////////////////////////////////////////////////////////////

/****************
	snippet from _helpy.wdl
	(c)opyright dummy collective
	may only be used without permission
****************/
DEFINE _range, skill1;
DEFINE _sightangle, skill2;
DEFINE _hitEntity, skill99;
ENTITY* eHit;

function destroy_turret();
function move_bullet();
function remove_bullet();

var bullet_speed[3];

sound explode_snd = "boom.wav";
sound dart_snd = <poisondart.wav>;

string bullet_mdl = <dart.mdl>;
entity* plBiped01_entity; 

action dartwall {
	wait(1);
	c_setminmax(me);
}

action dartstatue {
	wait(1);
	c_setminmax(me);

	if (my._range == 0) { my._range = 1000; } // set the range with skill1, default = 1000 quants
	if (my._sightangle == 0) {my._sightangle = 180;} // default viewing angle in front of the turret = 180	
	my.enable_impact = on;
	my.event = destroy_turret;
	while (plBiped01_entity == null) {wait (1);}
	while (my != null && plBiped01_entity != null) {
	
		if (vec_dist (my.x, plBiped01_entity.x) < my._range) {
			vec_diff(temp, plBiped01_entity.x, my.x);
			vec_to_angle(temp, temp);
			if (abs(ang(temp.pan - my.pan)) <= abs(my._sightangle) / 2) {
				// turn the turret toward the player
				vec_set(my.pan, temp);
				// try to create the dart outside of the turret bounding box
				temp.x = my.max_x * 1.25;		// <- IMPORTANTE
				temp.y = 0;
				temp.z = 0;
				vec_rotate(temp, my.pan);
				vec_add(temp, my.x);
				ent_create (bullet_mdl, temp, move_bullet);
				snd_play (dart_snd, 30, 0);
			}
		}
		wait(-0.5); // 1 bullet every 0.5 seconds
	}
}

function destroy_turret() {
	wait (1);
	if (you == plBiped01_entity) {return;} // can't be destroyed by running into it
	snd_play (explode_snd, 70, 0); 
	ent_remove (me);
}

function move_bullet() {
	wait (1);
	c_setminmax(me);
	my.enable_entity = on;
	my.enable_block = on;
	my.event = remove_bullet;
	my.pan = you.pan;
   my.lightred = 250;
	my.lightgreen = 150;
	my.lightrange = 200;
	bullet_speed.x = 100;
	bullet_speed.y = 0;
	bullet_speed.z = 0;
	while (me != null) {
		//if (you == null) { break; }	// you is the turret
		if (my._hitEntity != 0) { break; }
		c_move (me, vector(bullet_speed.x * time_step, 0, 0), nullvector, IGNORE_PASSABLE);
		wait (1);
	}
	if (my._hitEntity != -1) {
		eHit = ptr_for_handle(my._hitEntity);
		if (eHit == plBiped01_entity) {
			eHit._armor__003 -= 2; // decrease player's health
			if(eHit._armor__003 < 0) {
				// flesh damage after armor damage
				eHit._health__003 += eHit._armor__003;
				eHit._armor__003 = 0;
				PlBiped_Damage_Reaction(); // display damage panel
			}
		}
	}
	if (me != NULL) {
		ent_remove(me);
	}
}

function remove_bullet() {
	my._hitEntity = -1;	// hit block
	if (you != NULL) {
		my._hitEntity = handle(you);
	}
	my.event = NULL;
}