SPACEWALK
A Quake1 Mod by CocoT (http://www.planetcocot.net)
Music by Warhawk (http://come.to/warhawk)
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How to play Spacewalk
 
First of all, let me make clear that SpaceWalk really does not have anything to do with my other Quake1 mod Transloquake. Granted, it has platforms, uses nice skyboxes and the aim for players is to grab specific items on the level, but that's really just about it. While to be good  at Transloquake players mainly need good aiming and jumping skills, SpaceWalk is a "pure" puzzle game. Play both and you'll see they're completely different things :-)
A second important note to be made is that the mod is, as far as I know, compatible only with Darkplaces. Make sure you use it. Using other engines will make the mod react in very strange ways.
 
Directly inspired by an excellent little japanese freeware 2D-game called "Stroke" (whose official website has unfortunately disappeared), SpaceWalk challenges players with increasingly difficult puzzles. The goal of SpaceWalk to give homage to that freeware. All credits for its concept should of course be given to its author. Some of the mod's maps are directly inspired by original "Stroke" layouts, others have specific StarWalk layouts. 
The aim of the game is, while walking on platforms, to turn on all the "starlights" (see pictures below), then reach the final platform (recognizable by its blue color) to end the level. The "catch" is that, unless the platform you are walking onto is special (we'll come to that in a moment), you only have the right to step on it once. In other words, you always have to be careful not to create a situation in which you block yourself or block your way to a future move. 
 
The amount of starlights to turn on vary from level to level. You'll also notice that platforms come in different colors. Here is a list of them: 
- YELLOW platforms : the default ones, can only be stepped on once. They turn red after being stepped on.
- BLUE platforms : the final ones, stepping on them after touching all starlights is the only way to end the level. They can be stepped on as many times as you want.
- GREEN platforms : these can be stepped on as many times as you want!
- WHITE platforms : these can be stepped on twice. They will turn yellow the first time you walk on them, then red.
- ORANGE platforms : these work as teleporters, they can be stepped on as many times as you want. Notice that they can take a couple of seconds to teleport you where you want to go. Notice, too, that if you stand too long on one, you will automatically be teleported back to the other corresponding orange platform.
- BLACK or PURPLE platforms : these are transparent and non-solid platforms that will turn into yellow, walkable platforms only when you pick up the corresponding black or purple unlocker (see below). 
 
Be aware that, once a platform turns red, you are not only not allowed to step back on it, but you also have to step onto another platform quickly after, as it will eventually disappear and, if you have not left it, you will fall into space and die.
Also be careful not to jump. Jumping on a red platform will automatically kill you. Trying to jump across space onto a remote platform will also kill you.
There is an extra item that you can pick up on SpaceWalk levels, one that is called the "hourglass" (see picture below). Once you touch it, you have the right to step onto all walkable platforms for 10 seconds without activating them.
 
I hope you enjoy the mod! :-) 
Here below a couple more screenshots and close-ups to help you remember what's what in StarWalk.
 
A pretty usual StarWalk scene. The GREEN color means you're standing on a platform which you'll be allowed to step on again later, while the RED color in front of you means you're not allowed to step again on that plaform. All around, the other platforms are YELLOW, the default color for walkable platforms you have not stepped on yet.
 
 
This is a STARLIGHT. Notice the dark sphere inside it? This means the light has not been turned on yet. Remember that, in StarWalk, your aim is to light every single starlight of the level...
... like this! The yellow sphere inside this STARLIGHT means that it has been turned on.
This is what the PURPLE platform UNLOCKER looks like. When you pick up this bonus, the transparent, non-walkable purple platforms of the level solidify and turn yellow, making it accessible to you! The BLACK platform UNLOCKER looks just the same, only black instead of purple ;-)
Last but not least, the HOURGLASS thus gives you 10 seconds during which you have the right to step everywhere you want (except on black and purple platforms, which remains non-solid) without turning yellow platforms red or white platforms yellow. It's a powerful bonus, but be careful not to put yourself in tricky situations when using it!

Mapping for Spacewalk

Mapping for Spacewalk is pretty easy. In the maps bundled with this first version of Spacewalk, only basic layouts have been used. The mod is, however, very flexible and mappers would have a very easy time spicing things up. The 19th map gives you an idea of how 3D layouts could be used but it goes without saying that mappers could also combine "regular", "solid" map sections with Spacewalk platforms. I have not done that for this release, but that's definitely something that could yield fun results...

Here some basic info in terms of items and what they translate into in Spacewalk. I really advise anyone interested in mapping for this mod to play around with the map sources bundled with it. 

weapon_nailgun = starlight ; weapon_grenadelauncher = black platform unlocker ; weapon_rocketlauncher = purple platform unlocker ; weapon_lightning = time protection rune ; weapon_shotgun = portal1a (linked with info_player_deathmatch) ; weapon_shotgun2 = portal1b (linked with info_player_start2) ; weapon_shotgun3 = portal 2a (linked with info_player_start3) ; weapon_shotgun4 = portal 2b (linked with info_player_coop)

item_armor = platform. You can associate the following values to it: ptype = 0 (normal platform), 1 (blue), 2 (green), 3 (white), 4 (black), 5 (orange), 6 (purple) and move = 1 (x+2), 2 (x-2), 3 (y+2), 4 (y-2), combined with space (1 would move it by the space of one platform, 2 would move it by the space of 2, etc.)

Credits

The original concept for this puzzle is associated with the freeware "Stroke". "Translation" into Quake and map making has been performed by me, CocoT. I'd like to thank Warhawk (http://come.to/warhawk) for letting me use some of his musical creations inside the mod. I'd also like to thank the makers of the various skyboxes used in the game, among whom Justin Fisher, Mighty Pete and Spa.