51 lines
1.3 KiB
Plaintext
51 lines
1.3 KiB
Plaintext
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0 const EVTICK
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1 const EVTOUCH
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: defentity ( x y dir anim -- ) array ' drop , , , 4 << , 4 << , ;
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: entity.x 4 cells + ;
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: entity.y 3 cells + ;
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: entity.dir 2 cells + ;
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: entity>sprite cell + @ execute ;
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: entity>do ( entity event ) swap @ execute ;
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var entity-defstate
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: entitydo-ev ( [cp ifhere] ev -- )
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entity-defstate @ if swap [ ' then , ]
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else 1 entity-defstate ! :noname swap then
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' dup , lit ' = , [ ' if , ] ;
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: :touch EVTOUCH entitydo-ev ; immediate
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: :tick EVTICK entitydo-ev ; immediate
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: ;entity ( entity cp ifhere -- )
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[ ' then , ] ' drop , [ ' ; , ]
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0 entity-defstate ! swap ! ; immediate
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0 const W
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1 const E
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2 const N
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3 const S
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: dir>pos ( dir -- dx dy )
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dup W = if drop -1 0 ret then
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dup E = if drop 1 0 ret then
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N = if 0 -1
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else 0 1 then ;
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: frame ( s n e w ) b, b, b, b, ;
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array frames
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( 0: car ) 3 1 0 2 frame
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( 1: pete stand ) 11 9 7 5 frame
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( 2: pete walk ) 12 10 8 6 frame
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: sprindex ( dir frame ) 2 << frames + + b@ ;
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: defstatic ( frame -- ) create b, does> b@ sprindex ;
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: defanim ( frame... framecount ticks-per-frame -- )
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create b, dup b, 0 for b, next
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does> ( dir a -- )
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dup dup 1 + b@ swap b@ ( dir a count tpf )
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ticks swap / swap % ( dir a index )
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2 + + b@ sprindex ;
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0 defstatic {car}
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1 defstatic {pete-stand}
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1 2 2 5 defanim {pete-walk}
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