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So you’ve played through Portal and loved it? How about the abilityto play Half-Life 2 with the portal gun in-hand? Follow ourinstructions to the letter and you’ll be firing your gravity gunthrough portals at unsuspecting Combine in no time. Screenshots andvideo included, to give you an idea of what you're getting yourselfinto.
Now, follow our instructions below to the letter and you’ll befiring your gravity gun through portals at unsuspecting Combine in notime.
First off, backup up your entire Portal directory in a safe place.It’s the folder marked ‘portal’ in ..\Steam\steamapps\(your_username)\.We, nor Valve, take any responsibility in the unlikely event of youhosing your game files. Worse comes to worse though, you could alwaysjust redownload.
Next, download and install, if you haven’t already, GCFScape.This handy program will allow you to access the cached game files forany Source-powered game, in addition to several other Steam games youmay have downloaded.
Once that’s done, browse to the directory ..\Steam\steamapps\.There, you’ll see all the available GCF archives. We’ll start withHalf-Life 2.
Open the GCF marked ‘half-life 2 content.gcf’ You’ll see adirectory tree in the left pane. Click the box to the left of thefolder marked ‘hl2’ to see the directory listing contained within it.Then, right-click ‘maps,’ select ‘Extract’ and extract the entirefolder into the directory\Steam\steamapps\the_great_bundini\portal\portal. This will merge itwith the existing Portal map folder.
Do the same with the ’scenes’ folder
Fire up Steam and run Portal. When it’s done doing its thing, openup the developer console with ‘~’ (you may need to enable it under yourkeyboard options).
At the console, type ‘maps *’ to list all the available maps. Nowthat you’ve imported the Half-Life 2 maps, this will be a fairlylengthy list and some of the names, like citadel and canals, shouldseem familiar.
Type ‘map’ and then the map name to open that map. For instance, ‘map d1_canals_01’
When the map is done loading, pull up the console again and enable cheats by entering ‘sv_cheats 1’
To give yourself all weapons, including the portal gun, enter ‘impulse 101’
Depending on how far you got in Portal, you may need to upgrade theportal gun to fire both portals. Enter ‘upgrade_portalgun’ to do so
Go lay waste to some alien scum with the power of portals!
Here are some more thoughts on our experiences:
Follow the same steps if you’d like to try it out with Half-Life 2: Deatmatch or Episodes 1 and 2.
We actually highly recommend starting with the HL2: DM maps to giveyou a feel of how things operate and allow you to experiment withvarious techniques. You can spawn an enemy by first looking where youwould like him to be placed and then entering, say,‘npc_create_equipment weapon_shotgun; wait; npc_create npc_combine_s’to create a Combine soldier with a shotgun. (Visit this HL2 Filefront page for more details)
Sorry, but we’ve racked our brains and can’t figure out a simpleway to get multiple people into a game of HL2: DM this way. We’re suresome enterprising group of modders will come up with something in thecoming weeks, though.
We did not attempt to do this with Team Fortress 2, Counter-Strike:Source, or Day of Defeat: Source. As fun as it might sound in theory,we would like to dissuade you from trying it as well, as it probablywon’t yield any real satisfactory results.
All the same basic concepts of Portal apply here, includingrealistic momentum and gravity. You’ll also automatically regain healthvery quickly as in Portal. We’ll try to find a fix for this and post itsoon.
It may take some time to figure out which surfaces work and whichdon’t, since obviously this is no longer clearly indicated by thetextures. Generally speaking, shoot only for flat walls, floors, andceilings and not objects like rocks or boxes.
Sadly, NPC’s and enemies cannot pass through portals. However,almost all ammunition, from bullets shot to grenades tossed to objectsflung with the gravity gun, can and will make their way throughsmoothly.
You’ll also probably notice a weird, floating colored cloud thatfollows you around (it appears a few times in the video above). Wecouldn’t figure out a way to disable this, but thankfully it’s only aminor annoyance.
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