Linux Game Jam 2019

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A jam submission

Moon CommanderView game page

2D game written in C

Submitted by ErikProW — 2 hours, 26 minutes before the deadline

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Moon Commander's itch.io page

Results

Criteria	Rank	Score*	Raw Score
Inventive Mechanics	#12	2.739	3.000
Overall Fun Factor	#20	2.556	2.800
Completeness of Experience	#26	2.373	2.600
Visual Flair	#31	2.191	2.400
Linux Compatibility	#31	2.921	3.200

Ranked from 5 ratings. Score is adjusted from raw score by the median number of ratings per game in the jam.

Comments

WebFreakSubmitted5 years ago(+1)

I think this is a great game start. Some more items and maybe more objectives would probably really help this become a better game. But I think right now it's a little bit hard to process what's going on because the field of view is pretty small and everything just seems to happen automatically after a while when you recruited a few rectangles in defend mode.

I was a little bit frustrated at the left bumper doing something completely different than the right bumper because every time I pressed one I wanted to go back to the previous state with the other bumper lol

Submitted

Spacing in Space

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jlothamerSubmitted5 years ago

What system did you build this on? I'm using Ubuntu 18.10. After installing libsdl2_ttf-2.0 I get an error about a missing liblua.so.5.3. I have liblua 5.3 packages installed, but the file is called lublua.5.3.so on my system. So, I figure the difference is the distro or something.

Submitted

When Boids Attack!

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ErikProWDeveloper5 years ago

I built this on Arch. You could make a copy of your liblua file and rename it to what the game expects, that should work

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AxiomSubmitted5 years ago

I found that Ubuntu needs the "libsdl2-ttf-2.0-0" package:

sudo apt install libsdl2-ttf-2.0-0

I tried using LD_PRELOAD on all of the Lua shared library objects and nothing matched. Preloading libraries looks like this:

LD_PRELOAD=/usr/lib/x86_64-linux-gnu/liblua5.3.so.0 ./mooncommander

I couldn't figure out how to run this game on my Ubuntu 18.10 variant.

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ErikProWDeveloper5 years ago(+1)

I have added a lua shared object file in the zip folder. Try using it

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AxiomSubmitted5 years ago

It helped and I needed one last package: "libsdl2-mixer-2.0-0". Stick it into your Ubuntu play instructions to run:

sudo apt install libsdl2-ttf-2.0-0 libsdl2-mixer-2.0-0

And add a game loading script with:

LD_PRELOAD=./liblua5.3.so ./mooncommander

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AxiomSubmitted5 years ago

I was fighting an alien square using my joystick and it terminated with:

./mooncommander: symbol lookup error: ./mooncommander: undefined symbol: SDL_GameControllerRumble

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ErikProWDeveloper5 years ago

I think you are using an outdated version of SDL2. I've added an SDL2 SO file to the zip file if you want to try again.

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WebFreakSubmitted5 years ago

Keeps segfaulting shortly after startup (when it says Wave 1)

#0 0x000055555555bf80 in vec2d_sub ()
#1 0x000055555556d89f in soldierunit_update ()
#2 0x00005555555586d1 in update ()
#3 0x00005555555593ee in gameloop_start ()
#4 0x0000555555557a0b in main ()

Submitted

Spacing in Space

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ErikProWDeveloper5 years ago

I've updated it. I'd appreciate it if you would try again :)

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UsoSubmitted5 years ago

I can start the game and start playing. sadly after a very short time I got a segfault:

gdb give me this, that's not a lot sorry:

Thread 1 "mooncommander.o" received signal SIGSEGV, Segmentation fault.
0x000055555555bf80 in vec2d_sub ()

Submitted

Warrior of Asc II