if (mouse_right == 1)
{
mouse_mode = 1; 
my.pan = player.pan; // rotate the player using the mouse
camera.tilt = camera.tilt; // look down at the player
} 

else
{
my.pan -= 6 * (mouse_force.x) * time_step; // rotate the player using the mouse
camera.tilt += mouse_force.y; // look down at the player
on_mouse_left = fire_bullets;
mouse_mode = 0;  
}

action fire_bullets()

{
     if (mouse_right == 1) return;
     {

       VECTOR trace_coords[3];

       vec_set(trace_coords.x, vector(5000, 0, 0)); // trace 5000 quants in front of the player
       // rotate "trace_coords"

       vec_rotate(trace_coords.x, camera.pan); 
       vec_add(trace_coords.x, player.x); // add the resulting vector to player's position
       snd_play(bullet_wav, 100, 0); // play the bullet sound

       if (c_trace (player.x, trace_coords.x, IGNORE_ME + USE_POLYGON) > 0) // the "c_trace" ray has hit something?

       {

               if (you) // and the hit object is an entity?

               {

                       if (you.skill1 == 99) // and the hit entity has its skill1 set to 99?

                       {

                               you.skill50 = 30; // 30 = maximum rotation speed

                       }

               }

       }

}

}

vec_rotate(trace_coords.x, camera.pan);
vec_add(trace_coords.x, player.x);