var enemy_distance; // moves the enemy
var distance;
define sword_base = skill12; // using skill12, 13, 14 to store the sword_base coords
define sword_tip = skill15; // using skill15, 16, 17 to store the sword_tip coords
define healthpoints = skill18; // just another name for skill18
entity* enemy;
action enemy_fight // attached to the enemy
{
while(plBiped01_entity==null){wait(1);}
   	   distance = vec_dist (my.x, plBiped01_entity.x); 	
   	   my.healthpoints = 100;	 
   	   while(!plBiped01_entity) { wait(1); }  // wait until the player exists
   	   while(my.healthpoints > 0)	
   	   {
   	           if (distance < 200)  // 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; // I'm a maniac :)			
   	                 	enemy_distance.x = 5 * time_step;					
   	                 	enemy_distance.y = 0;			
   	                 	enemy_distance.z = 0;			
   	                 	ent_move(enemy_distance, nullvector);			
   	                 	ent_animate(me,"walk", my.skill19, ANM_CYCLE); // play walk frames animation			
   	                 	my.skill19 += 5 * time_step; // "walk" animation speed			
   	                 	if (my.skill19 > 100) {my.skill19 = 0;} // loop animation			
   	                 	if (vec_dist (my.x, plBiped01_entity.x) < 50) // if the player comes closer than 50 quants attack him			
   	                 	{
   	                          my.skill20 = 0; // reset "attack" frames				
   	                          while (my.skill20 < 100)				
   	                          {
   	                                  ent_vertex(my.sword_tip, 291); // sword tip vertex coords - get the value in Med					
   	                                  ent_vertex(my.sword_base, 306); // sword base vertex coords - get the value in Med					
   	                                  trace_mode = ignore_me + ignore_passable;					
   	                                  trace (my.sword_base, my.sword_tip); // trace between these sword positions					
   	                                  if (result != 0) // hit something, could be the player or another enemy					
   	                                  {	
   	                                           if (you != null) {you.healthpoints -= 4 * time_step;
   	                                  }											}					
   	                                  ent_animate(me,"attack", my.skill20, ANM_CYCLE); // play attack frames animation					
   	                                  my.skill20 += 5 * time_step; // "attack" animation speed									
   	                                  wait (1);				
   	                          }				
   	                          wait (6); // slows down the enemy and reduces the number of traces per second			
   	                  }		
   	          }		
   	          else // the player is farther than 200 quants away		
   	          {			
   	                  ent_animate(me,"stand", my.skill21, ANM_CYCLE); // play stand frames animation			
   	                  my.skill21 += 2 * time_step; // "stand" animation speed			
   	                  if (my.skill21 > 100) {my.skill21 = 0;} // loop animation	
   	          }		
   	          wait (1);
   	          	 	
   	   while (my.skill22 < 80) // the enemy is dead	
   	   {
   	           ent_animate(me,"death", my.skill22, ANM_CYCLE); // play death frames animation		
   	           my.skill22 += 1 * time_step; // "death" animation speed		
   	           wait (1);	
   	   }	
   	   my.passable = on; // the corpse can't be hit by the sword from now on
				}
}