Ok, so after hurriedly yanking a slightly buggy version of GSB from the apple app-store, the IPAD version of GSB is back on sale and you can all go rush out and throw money at it right now. Hurrah! Here it is:

http://itunes.apple.com/gb/app/gratuitous-space-battles/id517457294?mt=8

(The expansion packs in the PC version will end up being added at some stage. The campaign add-on won’t make it to ipad, it’s just insanely big and complex and involved and not pad-friendly)

Here are a few lessons learned from the ipad experience thus far:

1) The ipad has hardly any memory. Developing on PC, then squeezing it onto ipad is seriously hard!

2) A game where you zoom in and out and drag stuff around is really cool to play on the ipad. It feels very l33t.

3) There seems to be basically no way to get any attention on the app store unless apple chooses you. Admit it, you all only found GSB by searching.  Even the category search function seems broken on my ipad 2. It’s a trainwreck, compared to other portals.

4) Everyone who insists that nobody buys ipad games > $0.99 is just wrong. They do.

If you are a high-powered famous and influential mac-blog-owner or reviewer with a bazillion readers, and you have NOT got a press-review copy of GSB on ipad, just email me, and I will see what I can do.

In other news…. very close to setting the GTB release date now. It will also be on GamersGate, Impulse and Steam. Yay!

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So have you all seen this?

Quite a few people probably guessed it was coming due to my tux image tease, but GSB is part of the Humble Indie Bundle. Yes, that means there is a linux port of the base game, for people who prefer to run native linux builds I do NOT have the final linux installer yet, so if you want a linux build and you bought GSB direct from me (so I can verify the sale), then you will be entitled to it for free, once I have it. Don’t email me asking for it yet, because I can’t reply with a link, and it will get complex and bottlenecked. Obviously I’ll blog it when it’s all ready.

A few words about the bundle, and Gratuitous Space Battles being in it (as one of the ‘beat the average’ games).

Some people have expressed surprise about this move, because I rant about devaluing of games, and bundles a lot, so why am I doing this?

Firstly, it’s the beat the average game You can’t pay $0.01 and get GSB, can’t be done, so there is that in there.

Secondly, GSB is actually quite old now. It got updated a LOT, but it’s release was September 2009. It’s been full price everywhere for a long time, so I’m much more flexible regarding stuff like this at this stage in the games sales cycle.

Also, there is a new game coming in the first quarter of 2012, it can’t do any harm to remind people about GSB, and to get people who sat on the fence for those two years to grab a copy at a discounted price. Hopefully when GTB comes out they will be more inclined to buy it at full price rather than wait another two years. I hope!

I often talk very frankly about sales figures and games revenue, but that’s regarding direct sales. Humble Bundle is a proper publisher arrangement with contracts etc, so don’t ask me for financial details about splits etc, because I can’t talk about that.

As I typed this, the total raised has passed a million dollars. That’s good then  .

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Wow. Getting GTB to run smoothly on my laptop might prove fun. Methinks it uses more horsepower than GSB did, at least judging by my first tests. The photo reflects badly from the GTB battles cloud-cover effect

But it runs, that’s the main thing. Time for some serious profiling on my min spec laptop now. Plus, GSB running on something called the ‘i-pad’. That looks fun!

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I think I’ve fixed a bug in the gratuitous space battles campaign game. I’ll know ‘officially’ soon, but it fixed it on my machine Here’s what was involved.

A player complained of a random crash bug at the end of some campaign battles. I could not ever reproduce it, and back-and-forth emails began. Eventually, this awesome customer provided me with exact steps to reproduce, and all their save game data to let me replicate it. First run through and….. nothing. It was fine. Roughly every third run-through, in release mode it crashed…

Step 1! Hurrah! it actually crashes for me. This is 50% of the battle because then I *KNOW* that it is the games fault, and not the gamers system, or software. This is good, although frustrating news.

Step 2! It crashes in debug mode. This is another 25% of the battle because I can actually see what data is corrupt. As it turned out, the ‘firstfleet’ pointer in the code that assigns captured ships to the players winning fleet is clearly trashed. How did this happen?

Step 3… debugging. It transpires that the firstfleet pointer is accessed multiple times before this point, and after being initialised, confirming that it *must* have been valid, and becomes invalid between initialisation and access when adding captured ships to the fleet. This means we  can step through and watch what happens, if I break on initialisation..

Step 4 discovery! Stepping through the code confirms my suspicions. Once the battle ends, the code updates all the players fleets and removes ships that died in battle. Then, other code innocently picks the first of the players fleets in the battle, and initialises a dialog box listing the enemy captured ships that will be assigned to the fleet. Later…. *drum roll* it deletes any fleets that are now empty. Can you see the bug yet?

Step 5: fix! Changing the code that naievely picked the ‘first fleet’ to pick the first player fleet that still has some intact ships ensures that the later deletion of an empty fleet, and invalidation of the pointer is harmless, because the captured ships are now getting added to a surviving fleet. Bug probably fixed, pending the player confirming that a new exe fixes it.

Why did I not spot this bug six months ago? Well here is what has to happen.

1. The player has to fight a battle with multiple fleets at once (common).
2. He has to win (fairly common)
3. The ai has to lose by the right margin to leave some captured ships (fairly rare).
4. The winning player has to have enough ships removed from the *first* fleet in the list to have that fleet entirely deleted, despite winning overall. (pretty darned rare).

Simply put, This didn’t happen to me once in testing. It hasn’t happened to many players either, as I understand it. And if it has happened to you… I may have good news

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Just made patch 1.57 live. it will auto update over the next 24 hours, and make it to steam once a day or so has passed without incident. It’s mostly stuff to support the parasites expansion.

version 1.57
1) New Feature: Support for longer race descriptions.
2) New Feature: Modding support for custom bullets textures.
3) Support for return-to-sender capability on missiles.
4) Support for more than one plasma missile in flight at any one time, per launcher (if configured for that module)
5) Support for flak guns (bullet modules with area-of-effect damage).

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I did a little bit of work this morning on the parasites, the GSB race I’m working on in my spare time (ha!).

I added two new weapons today. One is just a tweak, it’s  a plasma launcher that fires lots of small plasma torpedoes rather than big ones. The plasma torp is balanced as a weapon that isn’t colossally effective, but it is able to damage both shields and armor. It now has a rapid-firing version (parasites only).

I also added a ‘return-to-sender’ version of the guidance scrambler beam. This doesn’t scramble enemy missiles, but reverses them, so that they fly back and destroy the person who launched them. often there won’t be fuel for that, and I’m considering making it also reset their fuel. The beam is a one shot deal, you can’t reverse a reversed-missile.

All the ship hulls are done, it’s just balancing and code now. here is another screenshot of some cruisers:

I’m also working on gameplay and GUI for Gratutious Tank Battles. The GTB UI mockups look incredible, it’s just a looooong slow process of translating them into working code.

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The next expansion pack for GSB is taking a while, because I’m so busym, but I did get time to at least finalise ONE of the ships in the new race. This is the Parasite Anthozoa Cruiser

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An edited list of stuff I checked off my list today:

1. Added the ’100,000 copies sold’ text to the GSB website.
2. Implemented the new menu/GUI (non-battle) music for GTB.
3. Carried out a major rethink and rebalancing of the way weapons work in GTB, with some research, and a lot of code changes.
4. Changed the way the AI accrues supplies in ‘classic’ TD mode. It now gets them over time just like the player.
5. Implemented new green grassy textures.
6. Checked the performance of the new AI code.
7. Changed all weapons so there are more shots, doing less damage per shot, and longer durations for beam lasers.
8. Added a new, obvious drop-unit effect to show when the AI has placed a new turret.
9. Made fog of war an option, at least for me when I’m debugging, and probably for singleplayer too.
10. Fixed bug where the AI kept trying to put new troops on top of existing ones in a trench.
11. Fixed bug where the AI never replaced destroyed turrets.
12. Managed to not get sidetracked into finishing off the ships for the GSB ‘parasites’ expansion

Not bad for the first day back after holidays.  I also riskily (some might say) threw some of my savings at the stock market buying shares in renishaw, a company I’ve bought and sold before, whose profits just jumped, and yet the share price dived 10%. That looked like a buying opportunity to my eyes. Fun fun…

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I had plans to do another GSB expansion pack, with a new race, much like the Nomads.

And then….

GTB has basically taken over. Combine it with ShowMeTheGames (which isn’t getting enough attention as it is) plus lots of home-life related building-stuff, and I just am not getting enough sleep. But I do have

• Lots of GSB players
• An artist willing to make new GSB ships.

I like to maintain control of stuff, so farming out DLC production to someone else is probably a ‘no’ right now. The thing is, the time taken to make new damage textures, new weapons, balance them, and do the whole package would be a bit of a nightmare.

So I was thinking, especially on this day that Team Fortress 2 goes ‘Free To Play’, that maybe micro-transactions are the future, and I should just leap into the market for them with GSB. I could get new ship hulls made, and designed, and have them sold as mini-DLC. Of course, the problem there is that there are minimum credit-card fees that I get charged, so anything below $4 is basically a disaster in terms of profit, making the whole thing unviable.

So I am scratching my chin thinking how viable it is to just do a bunch of extra base-race ships for GSB and sell them as a $4 mini-DLC booster pack. New federation, alliance, rebel and empire ships, by the original artist. That would take fairly minimal work, compared to the design of a whole new race. But would it make any sense? would there be a market for it?

Would you pay $4 for a bunch of new ships? I know a lot of people would not be interested, but there don’t have to be thousands of people for it to break even.

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