Basic Entities and placement

This section goes a little more in depth regarding
basic entities and item placement.  

Weapons, health, armor, power-ups, spawn points, ect. are all
examples of entities.  You've allready used the spawn entity but
now it's time to bust out the boom stick.  Let's put a rocket launcher
and an ammo pack in the room along with quad damage to make
things interesting.  First, right-click on the center of your room in
the wireframe veiw of Radiant and select ammo then ammo_rockets.
You'll see the cube appear in the wireframe window and the model
with bounding box in the 3D veiw.  Remember that when placing the 
item if the bounding box touches any brush it will either cause the
map to leak or not show up at all.  Hit esc to deselect the item when
your done and now do the same for a rocket launcher.  Right click
just like before but select weapon and then weapon_rocketlauncher.
Go ahead and put it where you like and then deselect.

  

Now it's time to put a power-up in and what could be better than quad 
damage.  The procedure is the same except select item then item_quad.
This time place the box at the top of the room and hit 'n' to bring up the
entity menu.  At the left center of the menu you'll see a check box that
has a 'suspended' option that when checked, will keep the item in place.
This option is used when you want to suspend an item or items in place.
You can use this option to have a series of health or armor shards in a
row at the foot of a jump pad.  If the option isn't checked the item will just
fall to the floor.  Also change the ceiling texture from the light shader
to a regular texture.  Select the ceiling brush by using shift+mouse1.
Go to the textures menu and choose gothic_ceiling.  While the ceiling
brush is selected click the ceilingtech01_g texture to change the top
brush.  This will force you to use a new enity called light.

  

On to the miracle of light manipulation and placement.