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-rw-r--r--source3/lua-5.1.4/test/life.lua111
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diff --git a/source3/lua-5.1.4/test/life.lua b/source3/lua-5.1.4/test/life.lua
deleted file mode 100644
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--- a/source3/lua-5.1.4/test/life.lua
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--- life.lua
--- original by Dave Bollinger <DBollinger@compuserve.com> posted to lua-l
--- modified to use ANSI terminal escape sequences
--- modified to use for instead of while
-
-local write=io.write
-
-ALIVE="¥" DEAD="þ"
-ALIVE="O" DEAD="-"
-
-function delay() -- NOTE: SYSTEM-DEPENDENT, adjust as necessary
- for i=1,10000 do end
- -- local i=os.clock()+1 while(os.clock()<i) do end
-end
-
-function ARRAY2D(w,h)
- local t = {w=w,h=h}
- for y=1,h do
- t[y] = {}
- for x=1,w do
- t[y][x]=0
- end
- end
- return t
-end
-
-_CELLS = {}
-
--- give birth to a "shape" within the cell array
-function _CELLS:spawn(shape,left,top)
- for y=0,shape.h-1 do
- for x=0,shape.w-1 do
- self[top+y][left+x] = shape[y*shape.w+x+1]
- end
- end
-end
-
--- run the CA and produce the next generation
-function _CELLS:evolve(next)
- local ym1,y,yp1,yi=self.h-1,self.h,1,self.h
- while yi > 0 do
- local xm1,x,xp1,xi=self.w-1,self.w,1,self.w
- while xi > 0 do
- local sum = self[ym1][xm1] + self[ym1][x] + self[ym1][xp1] +
- self[y][xm1] + self[y][xp1] +
- self[yp1][xm1] + self[yp1][x] + self[yp1][xp1]
- next[y][x] = ((sum==2) and self[y][x]) or ((sum==3) and 1) or 0
- xm1,x,xp1,xi = x,xp1,xp1+1,xi-1
- end
- ym1,y,yp1,yi = y,yp1,yp1+1,yi-1
- end
-end
-
--- output the array to screen
-function _CELLS:draw()
- local out="" -- accumulate to reduce flicker
- for y=1,self.h do
- for x=1,self.w do
- out=out..(((self[y][x]>0) and ALIVE) or DEAD)
- end
- out=out.."\n"
- end
- write(out)
-end
-
--- constructor
-function CELLS(w,h)
- local c = ARRAY2D(w,h)
- c.spawn = _CELLS.spawn
- c.evolve = _CELLS.evolve
- c.draw = _CELLS.draw
- return c
-end
-
---
--- shapes suitable for use with spawn() above
---
-HEART = { 1,0,1,1,0,1,1,1,1; w=3,h=3 }
-GLIDER = { 0,0,1,1,0,1,0,1,1; w=3,h=3 }
-EXPLODE = { 0,1,0,1,1,1,1,0,1,0,1,0; w=3,h=4 }
-FISH = { 0,1,1,1,1,1,0,0,0,1,0,0,0,0,1,1,0,0,1,0; w=5,h=4 }
-BUTTERFLY = { 1,0,0,0,1,0,1,1,1,0,1,0,0,0,1,1,0,1,0,1,1,0,0,0,1; w=5,h=5 }
-
--- the main routine
-function LIFE(w,h)
- -- create two arrays
- local thisgen = CELLS(w,h)
- local nextgen = CELLS(w,h)
-
- -- create some life
- -- about 1000 generations of fun, then a glider steady-state
- thisgen:spawn(GLIDER,5,4)
- thisgen:spawn(EXPLODE,25,10)
- thisgen:spawn(FISH,4,12)
-
- -- run until break
- local gen=1
- write("\027[2J") -- ANSI clear screen
- while 1 do
- thisgen:evolve(nextgen)
- thisgen,nextgen = nextgen,thisgen
- write("\027[H") -- ANSI home cursor
- thisgen:draw()
- write("Life - generation ",gen,"\n")
- gen=gen+1
- if gen>2000 then break end
- --delay() -- no delay
- end
-end
-
-LIFE(40,20)