A6 enemy attack issue, help please...

action abigail
{
     
        enemy_events();
        g3_handle_radar();
   	  var move_dist[3];	
   	  var distance;
   	  my.enable_entity = on;
   	  my.enable_impact = on; 
   	  my.albedo=0;
        my.ambient=100;
        my.unlit=on;
        my.bright=on;
   	  my.enable_scan = on;
   	  my.polygon = on;
   	  my.enable_block=on;
   	  my.transparent = on;   	  
   	  my.enable_shoot = on; 
   	  my.health = 10;     
   	  my.event = enemy_events;
   	  vec_set (temp, my.x);
        temp.z -= 1;

        my.skill11 = c_trace(my.x,temp,IGNORE_ME|IGNORE_PASSABLE); 
        my.z = my.skill11+0;
   	  
               	
   	  c_setminmax(my);	
   	  wait(1);	
   	  
   	  while(plBiped01_entity == null)	{ wait(1); }		
   	  
   	  while(my.health > 0)	
   	  {
   	     		 distance = vec_dist(my.x, plBiped01_entity.x);				
   	     		 
   	     		 if(distance < 1000)	// the player approaches the enemy		
   	     		 {	
   	     		 		   vec_set(temp, plBiped01_entity.x);			
   	     		 		   vec_sub(temp, my.x);			
   	     		 		   vec_to_angle(my.pan, temp);			
   	     		 		   my.tilt = 0;						
   	     		 		   
   	     		 		      	     		 		   
   	     		 		   move_dist.x = 5 * time_step;			
   	     		 		   move_dist.y = 0;			
   	     		 		   move_dist.z = 0;			
   	     		 		   c_move(my,move_dist,nullvector,IGNORE_ME|IGNORE_PASSABLE|IGNORE_MAPS);		 		   
   	     		 		   ent_animate(my, "walk", my.skill19, ANM_CYCLE);		// play run frames animation			
   	     		 		   my.skill19 = cycle(my.skill19+48*time_step,0,101);	// "run" animation speed + loop animation						
   	     		 		   ent_playsound (my, ghostwalk, 100);
   	     		         
   	     		 		   if(distance < 150)		// if the player comes closer than 50 quants attack him			
   	     		 		   {				
   	     		 		           my.skill23 = 0; // reset "attack" frames								
   	     		 		           
   	     		 		           while(my.skill23 < 100)				
   	     		 		           {					
   	     		 		                   c_trace (my.x,temp,IGNORE_ME|IGNORE_PASSABLE|IGNORE_MODELS|IGNORE_SPRITES|SCAN_TEXTURE); 
   	     		 		                  
   	     		                         
   	     		                            	     		                         									
   	     		                         create_explosions();
   	     		                         ent_animate(my,"attack",my.skill23,ANM_CYCLE);	// play attack frames animation					
   	     		                         my.skill23 += 20 * time_step;	// "attack" animation speed
   	     		                         you = plBiped01_entity;
   	     		                         you._armor__003 -= 1 * time_step;
   	     		                         
   	     		                         wave_handle = snd_play(wave, 100, 0);
   	     		                         snd_stop(wave); 
   	     		                         wait(1);
   	     		                         if(you._armor__003 < 0)
			                                        {
			                                      	 you._health__003 += you._armor__003;
				                                     you._armor__003 = 0;
				                                     PlBiped_Damage_Reaction();	// display damage panel
			                                         }			
   	     		                 }								
   	     		                 
   	     		                 wait(6);			
   	     		          }
   	     		        }		
   	     		        else	// the player is farther than 200 quants away		
   	     		        {			
   	     		               ent_animate(my,"stand",my.skill21,ANM_CYCLE);		// play stand frames animation			
   	     		               my.skill21 = cycle(my.skill21+2*time_step,0,101);	// "stand" animation speed + loop animation		
   	     		               
   	     		        }				
   	     		        
   	     		        wait(1);	
   	     		}		
   	     		
   	     		// enemy was killed:	
   	     		while(my.skill22 < 90)	
   	     		{
   	     		   	  ent_animate(me,"death", my.skill22, ANM_CYCLE); // play death frames animation		
   	     		   	  my.skill22 += 16 * time_step; // "death" animation speed				
   	     		   	  
   	     		   	  wait(1);
   	     		   	  
   	     		}		
   	     		
   	     		my.passable = on; // the corpse can't be hit by the sword from now on
   	     		
	while (my.alpha > 0)
	{
		my.alpha -= 0.3 * time_step;
		wait (1);
	}
	ent_playsound (my, die, 100);
	ent_remove (me);
	
}	
	
}