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An entity is an object that has characteristics which are different to the normal world brushes. There are two kinds of entities in Ca3DE. These include brush entities and point entities.
Note: The following entities are specific to the Deathmatch mod.
This is bascally a normal brush, except they can have transparency or “holes”. This entity can be used for lattice, glass, fences etc.
This is a func_wall with no clipping. The player can walk through a func_illusionary, making it useful for secret paths.
This is the entity for water.
The player can climb up a func_ladder. Please note that this entity is invisible, so you need to place a textured brush behind it.