Author Topic: [C] Rainbow Dash Cloud Attack  (Read 4712 times)

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Offline gameblabla

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[C] Rainbow Dash Cloud Attack
« on: August 03, 2013, 03:12:54 pm »

Hi !
You asked for it , there it is !
You play as Rainbow Dash and you need to grab all the white clouds and kick the storm clouds !
You score 100 pts for each cloud you grab and score 300 pts if you kick a storm cloud.
The maximum score you can get is 99999 , i dare you to reach that !
Hope you'll enjoy it !

Download : (You need Ndless installed on your TI-nspire)
Version 1.05

Screenshots :

« Last Edit: August 04, 2013, 10:23:20 pm by gameblabla »

Offline Lionel Debroux

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Re: [C] Rainbow Dash Cloud Attack
« Reply #1 on: August 03, 2013, 03:37:09 pm »
Quote
That's because i need to write a integer to a file but fscanf() is not available in Ndless...
fgetc() works but only writes a char...
Just choose an endianness for your serialization of integers, and use fgetc on the integer shifted by 8, 16 and 24 then and'ed with 0xFF :)
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Offline Sorunome

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Re: [C] Rainbow Dash Cloud Attack
« Reply #2 on: August 03, 2013, 03:51:33 pm »
yaaaaaaaaay :D
Also, can you still kill the black clouds if you hit 'em right at the end? (and giving more points)

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Offline gameblabla

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Re: [C] Rainbow Dash Cloud Attack
« Reply #3 on: August 03, 2013, 05:51:38 pm »
Quote
That's because i need to write a integer to a file but fscanf() is not available in Ndless...
fgetc() works but only writes a char...
Just choose an endianness for your serialization of integers, and use fgetc on the integer shifted by 8, 16 and 24 then and'ed with 0xFF :)
^^' Sorry , i don't understand...
But i found a way to get the save working. It is not precise at all but it works well with my game.

yaaaaaaaaay :D
Also, can you still kill the black clouds if you hit 'em right at the end? (and giving more points)
No , you can't do that. This will probably be in the next update.

EDIT : A new update is available , you can now save your highscore ! http://goo.gl/ZCY4yz
« Last Edit: August 03, 2013, 06:07:07 pm by gameblabla »

Offline Sorunome

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Re: [C] Rainbow Dash Cloud Attack
« Reply #4 on: August 03, 2013, 06:49:49 pm »
You code fast O.O

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Offline gameblabla

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Re: [C] Rainbow Dash Cloud Attack
« Reply #5 on: August 04, 2013, 12:20:05 am »
You code fast O.O
Indeed.
I have released a new version (i think this will be the last one) , you can now kick clouds !

Download link : http://goo.gl/i3DWR6

Offline Sorunome

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Re: [C] Rainbow Dash Cloud Attack
« Reply #6 on: August 04, 2013, 04:33:55 am »
ok, now i /really/ need a cx, great job!

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Offline Jonius7

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Re: [C] Rainbow Dash Cloud Attack
« Reply #7 on: August 04, 2013, 10:05:17 am »
That looks like some nice animations with the kicking. Will definitely appeal to MLP Fans :).
Also why is the max points 25500?
« Last Edit: August 04, 2013, 10:05:30 am by Jonius7 »
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Offline gameblabla

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Re: [C] Rainbow Dash Cloud Attack
« Reply #8 on: August 04, 2013, 01:44:57 pm »
Thanks everybody !
I have released a new version (again) , it fixes some bugs.
http://goo.gl/OIwqpV

Also why is the max points 25500?
For each (white) cloud you touch , you get 100 pts and if you kick a black one , you get 200 pts.
I can only store a char , what can i do ? (the max value for an unsigned char is 255)
Easy , i divide the highscore by 100 and then the program saves the highscore.
When the game will read the savefile , it will multiply the highscore stored in the file by 100.
I know, Lionel would not be proud of me...

Offline Sorunome

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Re: [C] Rainbow Dash Cloud Attack
« Reply #9 on: August 04, 2013, 01:47:42 pm »
Can't you somehow do 2-byte vars?

THE GAME
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Offline gameblabla

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Re: [C] Rainbow Dash Cloud Attack
« Reply #10 on: August 04, 2013, 02:54:46 pm »
Code: [Select]
               
sc = (highscore / 10000) % 10;
dscore[0]=sc;
sc = (highscore / 1000) % 10;
dscore[1]=sc;
sc = (highscore / 100) % 10;
dscore[2]=sc;
sc = (highscore / 10) % 10;
dscore[3]=sc;
sc = highscore % 10;
dscore[4]=sc;

file = fopen("/documents/rdsave.save.tns", "w+");
                        fputc( dscore[0], file);
fputc( dscore[1], file);
                        fputc( dscore[2], file);
fputc( dscore[3], file);
fputc( dscore[4], file);
fclose(file);

I'm really stupid , i should have done this done before. Thanks Lionel...
You can download the new update here : http://goo.gl/xJyaqb
The max pts is now 99999.

Offline Lionel Debroux

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Re: [C] Rainbow Dash Cloud Attack
« Reply #11 on: August 04, 2013, 03:04:57 pm »
What I meant was really shifts and ands, not division and modulo on a processor without a divide instruction :)
Code: [Select]
uint32_t ReadLongBigEndian (void) {
    uint32_t temp_long;
    temp_long  = fgetc(output) << 24;
    temp_long |= fgetc(output) << 16;
    temp_long |= fgetc(output) << 8;
    temp_long |= fgetc(output);
    return temp_long;
}

uint32_t ReadLongLittleEndian (void) {
    uint32_t temp_long;
    temp_long  = fgetc(output);
    temp_long |= fgetc(output) << 8;
    temp_long |= fgetc(output) << 16;
    temp_long |= fgetc(output) << 24;
    return temp_long;
}

void WriteIntBigEndian (uint32_t long_in) {
    fputc (((int)(long_in >> 24)) & 0xFF, output);
    fputc (((int)(long_in >> 16)) & 0xFF, output);
    fputc (((int)(long_in >>  8)) & 0xFF, output);
    fputc (((int)(long_in      )) & 0xFF, output);
    fflush(output);
}

void WriteIntLittleEndian (uint32_t long_in) {
    fputc (((int)(long_in      )) & 0xFF, output);
    fputc (((int)(long_in >>  8)) & 0xFF, output);
    fputc (((int)(long_in >> 16)) & 0xFF, output);
    fputc (((int)(long_in >> 24)) & 0xFF, output);
    fflush(output);
}

Also, another piece of general advice: don't put .tns files at the root of /documents, because TILP cannot cope with them, which means that users couldn't backup such files once your program has created them.
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Offline Adriweb

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Re: [C] Rainbow Dash Cloud Attack
« Reply #12 on: August 04, 2013, 08:18:45 pm »
Also, another piece of general advice: don't put .tns files at the root of /documents, because TILP cannot cope with them, which means that users couldn't backup such files once your program has created them.
Eh, that's quite annoying, can't it be fixed ? (I'm among probably many of users for who the root is just a mess :D)
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Offline gameblabla

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Re: [C] Rainbow Dash Cloud Attack
« Reply #13 on: August 04, 2013, 09:47:55 pm »
What I meant was really shifts and ands, not division and modulo on a processor without a divide instruction :)
Code: [Select]
uint32_t ReadLongBigEndian (void) {
    uint32_t temp_long;
    temp_long  = fgetc(output) << 24;
    temp_long |= fgetc(output) << 16;
    temp_long |= fgetc(output) << 8;
    temp_long |= fgetc(output);
    return temp_long;
}

uint32_t ReadLongLittleEndian (void) {
    uint32_t temp_long;
    temp_long  = fgetc(output);
    temp_long |= fgetc(output) << 8;
    temp_long |= fgetc(output) << 16;
    temp_long |= fgetc(output) << 24;
    return temp_long;
}

void WriteIntBigEndian (uint32_t long_in) {
    fputc (((int)(long_in >> 24)) & 0xFF, output);
    fputc (((int)(long_in >> 16)) & 0xFF, output);
    fputc (((int)(long_in >>  8)) & 0xFF, output);
    fputc (((int)(long_in      )) & 0xFF, output);
    fflush(output);
}

void WriteIntLittleEndian (uint32_t long_in) {
    fputc (((int)(long_in      )) & 0xFF, output);
    fputc (((int)(long_in >>  8)) & 0xFF, output);
    fputc (((int)(long_in >> 16)) & 0xFF, output);
    fputc (((int)(long_in >> 24)) & 0xFF, output);
    fflush(output);
}

Hehe , thank you Lionel ! I will certainly use it for my future projects !

Also, another piece of general advice: don't put .tns files at the root of /documents, because TILP cannot cope with them, which means that users couldn't backup such files once your program has created them.
Thanks for the advice , i did a small update to fix that. (Go download it in my first post)
The savefile is now stored in ndless's folder.

I think that will be the last update for my game , i guess it's time to work on another game...
Thank you guys for your support !
« Last Edit: August 04, 2013, 11:53:28 pm by gameblabla »