target_spawner
Drops any entity into your map
This is one of the most handy entities for making single player maps. Triggered by a trigger_once, a target_spawner can drop any entity into you map, from monsters to guns to health. In this example, we will make a simple room and a target_spawner that drops in an infantry monster.
1.Firstly, create a good sized room (300x300x300) and place your info_player_start and a light in there.
2.Now put a target_spawner entity in at the opposite end from your info_player_start. Give the target_spawner a "target" value of "monster_infantry" and a "targetname" value of "spawn" (this can be whatever you like, i.e. spawn1, spawn2, spawn3, etc to keep them organized when you have more than one). You can also add an "angle" value to give the entity being spawned a direction. One more key value for the target_spawner is "speed" for use with goodies like gibs, so they can be thrown out in motion.
3.Between you and the target_spawner, create a brush with the "trigger" texture on it, and apply the trigger_once entity to it. Give the trigger_once a "target" value of "spawn". This links the trigger_once to the target_spawner you just created.
4.Compile your map and check out the monster that suddenly appears before you when you walk across the room.
Here's a sample map showing this example.
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