Add Dock Map.

Fix

Fix minor bugs.

Minor Error Fixed.

Date 2018.10.30 update:

1.Fixed -old type vtf files error.
2.Fixed -generator onpressing sound.
3.Fixed -spawn items dispear problems.
4.Improved Cubemaps.
5.Improved AI Navigation Mesh.
6.Fixed any console important errors.
7.Because the Original HL2 Maps is created by Old Engine and Tools , tipically you can ignore the cubemap and spawnpoints problem in console,it will not cause any problems.

Added supply boxes like Half-Life 2.
Remove map spawn weapons and items,You need to find supply boxes.
Supply weapon count limited to 3-4,this version is no longer as easy as previous version.
Added ambient music,background music and battle music.
Added more zombies spawnpoints.
Improved AI Navigation Mesh.
Fixed missing loading images.
Fixed missing sounds.
Minor bugs fixed.

First version.
2018.10.2