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Author Topic: AXECHESS - The First Chess made in Axe  (Read 20709 times)

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Offline dinosteven

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Re: AXECHESS - The First Chess made in Axe
« Reply #30 on: November 09, 2012, 07:26:44 pm »
Not if all 64 squares are accounted for. It would probably be a lot easier to keep track of all squares than to deal with 32 pieces - mainly because of pawn promotion.
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Offline willrandship

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Re: AXECHESS - The First Chess made in Axe
« Reply #31 on: November 09, 2012, 07:35:44 pm »
Pawn promotion wouldn't be too difficult, if you've got an array of pieces. If a piece moves to the opposite edge, then if it's a pawn, it becomes a queen. That doesn't really change with your storage method.
« Last Edit: November 09, 2012, 07:36:12 pm by willrandship »
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Offline dinosteven

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Re: AXECHESS - The First Chess made in Axe
« Reply #32 on: November 09, 2012, 08:07:19 pm »
Oh, I see. I was imagining that you were thinking of a separate array for each type of piece... Silly me.
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Offline leafy

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Re: AXECHESS - The First Chess made in Axe
« Reply #33 on: November 09, 2012, 09:51:47 pm »
Quote from: willrandship on November 09, 2012, 07:08:26 pm
it needs one more attribute: Alive or dead. Way easier than having a dynamically resizing list, and you just check that first before moving.
Well I was thinking that dead pieces could be type 0 or something, so that you wouldn't need 32 more bytes (or nibbles) just for that attribute.
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Offline willrandship

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Re: AXECHESS - The First Chess made in Axe
« Reply #34 on: November 09, 2012, 11:41:40 pm »
That would work, especially since pieces never have to come back from the dead.
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Offline chickendude

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Re: AXECHESS - The First Chess made in Axe
« Reply #35 on: November 10, 2012, 12:50:05 am »
I second leafy's suggestion, having specific coordinates would make checking for valid moves a cinch, and you could even show possible moves based on the piece's present location.
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Offline aeTIos

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Re: AXECHESS - The First Chess made in Axe
« Reply #36 on: November 10, 2012, 05:19:27 am »
You guys no read other's posts? I accounted everything I said in the code I posted. Lol.
[sorry this is not meant rude, I'm just kind of surprised you had not seen it]
EDIT: quoting myself:
Quote from: aeTIos on November 09, 2012, 10:26:23 am
Ok I made your graphics routine slightly shorter, but your data needs to be restructured.
Code: [Select]
data structure:
-sprites:
[hexWPAWN]->Pic1PCS
[hexWBISHOP][hexWKNIGHT][hexWROOK][hexWQUEEN][hexWKING][continue here for the 6 black pieces]

-------

how the pieces are stored in L1:
{taken?(0 if still on the board),xpos,ypos,pieceno(0=pawn,1=bishop, just like the sprite arrangement, and no need for B/W pieces)}

-----
Now the big thing: drawing the stuff.

For(A,0,31)
  if {A*4+L1}=!0
    A>15->B
    pt-on(A*4+L1+1,A*4+L1+2,8*{A*4+L1+3}+Pic1PCS+48*B)     ;; the x and y positions might be a bit off. you should change this later on.
  end
end
I think that will do it :D
« Last Edit: November 10, 2012, 05:21:12 am by aeTIos »
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Offline Hayleia

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Re: AXECHESS - The First Chess made in Axe
« Reply #37 on: November 10, 2012, 06:02:13 am »
Quote from: aeTIos on November 10, 2012, 05:19:27 am
    pt-on(A*4+L1+1,A*4+L1+2,8*{A*4+L1+3}+Pic1PCS+48*B)
But that will never work ???
A*4+L1+1 is far beyond 96, A*4+L1+2 is far beyond 64 so there is nothing drawn on screen, and 8*{A*4+L1+3}+Pic1PCS+48*B is surely not the right number, since you multiplied Pic1PCS by B.
(Your line could be optimized as pt-on(A*4+L1+1,+1,{+1}*8+Pic1PCS+48*B) but it is not important since the code is wrong)
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Offline aeTIos

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Re: AXECHESS - The First Chess made in Axe
« Reply #38 on: November 10, 2012, 06:04:19 am »
erw, you are right T.T thanks for pointing that out. (I haven't programmed in a loooong time)
I made a huge mistake: the pt-on command should be this:
pt-on({A*4+L1+1},{A*4+L1+2},8*{A*4+L1+3}+Pic1PCS+(48*B))
Sorry o*.*o
« Last Edit: November 10, 2012, 06:06:33 am by aeTIos »
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Offline Hayleia

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Re: AXECHESS - The First Chess made in Axe
« Reply #39 on: November 10, 2012, 06:19:04 am »
Quote from: aeTIos on November 10, 2012, 06:04:19 am
erw, you are right T.T thanks for pointing that out. (I haven't programmed in a loooong time)
I made a huge mistake: the pt-on command should be this:
pt-on({A*4+L1+1},{A*4+L1+2},8*{A*4+L1+3}+Pic1PCS+(48*B))
Sorry o*.*o
That is better like that ;)
But that still can be optimized as pt-on({A*4+L1+1→r1},{r1+1},B*6+{r1+2}*8+Pic1PCS) :P

Moreover, I don't get why you make an array with pieces with X,Y,type,etc, instead of just making some sort of a tilemap on the checkerboard ???
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Offline pimathbrainiac

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Re: AXECHESS - The First Chess made in Axe
« Reply #40 on: November 10, 2012, 12:00:22 pm »
what would the syntax be to store all this shtuff in L1? I am somewhat confused
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Offline aeTIos

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Re: AXECHESS - The First Chess made in Axe
« Reply #41 on: November 10, 2012, 12:38:12 pm »
so this is the way you have it stored:
{taken,x,y,piece}
taken is the 0th element in this so-called array.
To access the nth variable of the pth piece, you need to do this:
{p*4+n+L1}
p needs to be multiplied by four because each piece uses up 4 bytes of data in the array.

Hope that explains it :)

And I agree with Hayleia that a 64-byte array for representing the board would be handier. But that's your choice :)
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Offline pimathbrainiac

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Re: AXECHESS - The First Chess made in Axe
« Reply #42 on: November 10, 2012, 12:39:24 pm »
so... to declare it, it would be {stuff}->L1?
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Offline aeTIos

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Re: AXECHESS - The First Chess made in Axe
« Reply #43 on: November 10, 2012, 12:41:49 pm »
No. To declare it you would use number-to-store->{p*4+n+L1}
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Offline pimathbrainiac

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Re: AXECHESS - The First Chess made in Axe
« Reply #44 on: November 10, 2012, 12:43:56 pm »
{all stuff separated by commas}->{p*4+n+L1}?
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