When it comes to making maps in Half-Life 2, one has to tread carefully. The two most basic problems builders run into at the beginning are:

• Spacing (how long is 128 units anyway?)
• Level Leaks

To combat these annoying problems many experienced designers will tell you to “Compiler Early, Compile Often.” This is absolutely sound advice. But there is another basic problem that can sneak up on a novice designer: texture mapping.

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