#define vor skill1
#define hinter skill2
#define mitte skill3
ENTITY* runner;
ENTITY* vorne = NULL;
ENTITY* hinten = NULL;
function block_guard()
{
	set(my,LIGHT);
	my.vor = 0;
	my.hinter = 0; 
	while(me)
	{	
		c_trace(my.x,vector(my.x,my.y,my.z+100), IGNORE_ME);
		if(you){
			if(you == runner){
				my.green =255;my.blue=255;my.red=255;
				if(my.mitte == 1){
					ent_remove(hinten);
					return;
				}
			}
		}
		c_trace(my.x,vector(my.x+8,my.y,my.z),IGNORE_ME);
		if(you){my.vor = 1;
		}
		c_trace(my.x,vector(my.x-8,my.y,my.z),IGNORE_ME);
		if(you){my.hinter=1;
		}
		if(my.vor == 1 && my.hinter == 1){my.green = 255; my.red = 0; my.blue = 0;
		}
		if(my.vor == 0 && my.hinter == 1){my.blue = 255; my.red = 0; my.green = 0; vorne = me;
		}
		if(my.vor == 1 && my.hinter == 0){my.red = 255; my.green = 0; my.blue = 0; hinten = me;
		}
		if(my.hinter==1&&my.vor==1){
			c_trace(my.x,vector(my.x-8,my.y,my.z),IGNORE_ME);
			if(you.hinter == 1){
				c_trace(my.x,vector(my.x+8,my.y,my.z),IGNORE_ME);
				if(you.vor == 1){
					reset(my,LIGHT);
					my.mitte = 1;
				}
			}
		}
		wait(1);
	}
}

if(my.hinter==1&&my.vor==1){
c_trace(my.x,vector(my.x-8,my.y,my.z),IGNORE_ME);
if(you.hinter == 1){
...

ent_remove(ent);
ent = NULL;