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SIDWAVE
Account closed
Registered: Apr 2002
Posts: 2238 |
Converting to sprites
Ok, so i have run into a problem.. hehe
I have 52 bmp pics, which are each the size of 2x2 C64 sprites.
So there's room for them all in 1 VIC bank..
Now problem is to convert them..
I tried Gang-Ed, but it only imports bmp as hires/mcol bitmap/char, and blows up the small image to fullscreen!
So i saved all the frames as a koala pr pic.. hahaha
Now i am stuck with 52 koala pics, that need to be transformed into 4 sprites each, bwahaha..
This is really silly..
What i really need is:
1) convert the 48x48 pixel bmp to 4 colors
2) convert this to 4 sprites
Is there an editor, where i can load bmp/gif into a sprite editor ? they have correct size, just need to be fixed to 4 cols.. which i can do with a batchconvert in thumbs plus (reduce nr of colors)
??
Thanks for any help! |
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Burglar
Registered: Dec 2004
Posts: 1101 |
this might work
.macro LoadSpritesFromPicture( filename,
xsize, ysize,
bgcolor, color0, color1, color2 ) {
.var picture = LoadPicture( filename, List().add(bgcolor, color0, color1, color2) )
.for (var ysprite = 0; ysprite < ysize; ysprite++) {
.for (var xsprite = 0; xsprite < xsize; xsprite++) {
.for (var i = 0; i < [3 * 21]; i++) {
.byte picture.getMulticolorByte(
[[xsprite * 3] + mod(i,21)],
[[ysprite * 21] + floor(i / 3)]
)
}
.byte 0
}
}
} |
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enthusi
Registered: May 2004
Posts: 677 |
http://www.codebase64.org/doku.php?id=base:sprite_converter
Personally I prefer the assembler doing the assembling and tools acting as tool ;-) |
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Magnar
Registered: Aug 2009
Posts: 61 |
@Burglar, it almost worked. One error only;
parsing
flex pass 1
.for (var ysprite = 0; ysprite < ysize; ysprite++) {
.for (var xsprite = 0; xsprite < xsize; xsprite++) {
.for (var i = 0; i < [3 * 21]; i++) {
.byte picture.getMulticolorByte(
^
Error: byte x coordinate out of range : 3
Maybe you see what to correct? |
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Burglar
Registered: Dec 2004
Posts: 1101 |
your image.gif is too small in width, u need to double it.
multicolor pixels are 2 pixels wide, so 2x3 sprites should be:
2 * 3 * 8 pixels wide = 48
3 * 21 pixels high = 63 |
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Burglar
Registered: Dec 2004
Posts: 1101 |
Quote: http://www.codebase64.org/doku.php?id=base:sprite_converter
Personally I prefer the assembler doing the assembling and tools acting as tool ;-)
so, where's your multicolor tool? ;) |
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Cruzer
Registered: Dec 2001
Posts: 1048 |
Shouldn't it be mod(i,3)?
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Magnar
Registered: Aug 2009
Posts: 61 |
@Burglar, still not working. Now I am using a GIF file with 48x63 pixels, 4 colors.
Gives error:
flex pass 1
.for (var ysprite = 0; ysprite < ysize; ysprite++) {
.for (var xsprite = 0; xsprite < xsize; xsprite++) {
.for (var i = 0; i < [3 * 21]; i++) {
.byte picture.getMulticolorByte(
^
Error: byte x coordinate out of range : 6
Sourcecode:
.var bgcolor= $000000
.var color0 = $ffffff
.var color1 = $696259
.var color2 = $000000
.var xsize = 48
.var ysize = 63
.pc = $3000 "Sprite Data"
spriteData:
:LoadSpriteFromPicture("C:\anna_1.gif",xsize,ysize,bgcolor,color0,color1,color2 )
:LoadSpriteFromPicture("C:\anna_2.gif",xsize,ysize,bgcolor,color0,color1,color2 )
.macro LoadSpriteFromPicture( filename,
xsize, ysize,
bgcolor, color0, color1, color2 ) {
.var picture = LoadPicture( filename, List().add(bgcolor, color0, color1, color2) )
.for (var ysprite = 0; ysprite < ysize; ysprite++) {
.for (var xsprite = 0; xsprite < xsize; xsprite++) {
.for (var i = 0; i < [3 * 21]; i++) {
.byte picture.getMulticolorByte(
[[xsprite * 3] + mod(i,21)],
[[ysprite * 21] + floor(i / 3)]
)
}
.byte 0
}
}
} |
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Burglar
Registered: Dec 2004
Posts: 1101 |
.var xsize = 2
.var ysize = 3
xsize/ysize is in sprites, not pixels. |
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Magnar
Registered: Aug 2009
Posts: 61 |
Unfortunately same error even after changing the xsize and ysize values. |
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Cruzer
Registered: Dec 2001
Posts: 1048 |
Give my previous comment a chance :) |
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