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area_testing

this map has a purpose of testing some things i wanted to test out
-fake dmm on windows
-rain
-env_explosion
-animating a func_brush by disabiling and enabiling them
-a invisible func_physbox that acts like a button (at the chest when u press E on it ur actually interacting with a invisible physbox that has the job to play the sound and disable and enable the func_brushes so it looks like a animation)
-transparent textures (skybox)
-3d skybox with transparent textures
-general building