It's because firefox thinks it can read it; you can right-click and save as though, which I did. And wow, those are nice
Theres a few problems with them though; theres a couple of limitations and rules that have to be followed, and I meant to add them in the program, so I'll probably work on that tomorrow and release a 0.81 version. The rules and limitations that you broke in a bunch of them:
-If you have a starting point for tank 1, you HAVE to have a starting point for tank 2.
-Tanks can't be put above ~14 pixels from the top
-The most significant bit of the tank position image code isn't used for coordinates since the screen size wouldn't use it anyways, so it's used for knowing whether theres a tank position availible or not. Currently it's not turned on, because I forgot to.
-I should probably limit any editing of the image code areas with any of the drawing tools (except clearing the screen).
-Save prompt won't appear when tank position is created, and it should. Shall be fixed.
-Graph screen isn't cleared when you exit the editing of a landscape, and you have to exit the program before making a new landscape or loading another one, otherwise the previous one will overlap. Shall also be fixed.
Things I'll probably add:
-Tank 'preview' after creating a tank start position
-When you go into editing mode, all areas used by the tankies engine (mostly the text) will be blacked out except the image code.
-An error-check button that optionally can check all used parts of the screen, see how many pixels you used, and give a report. Not necessary but it'll let you know how much of your beautiful artwork won't be used
Any other bugs you might find or features you'd like to include, or improvements of features, please contact me or post your insight!
With all those bugfixes and features it might end up being 0.85 or something, and although I can't promise a release, I'll try to get it out tomorrow after school.