代码语言：javascript复制
math.randomseed(os.time())
local function printGrid(grid)
local celllen = 8 -- one cell have character count
local gridStrLines = {}
table.insert(gridStrLines,"n-------------------------------------")
for i,row in ipairs(grid) do
local line = {}
-- format the number in the center of the cell
for _,num in ipairs(row) do
if num==0 then
local pres = ""
for tmp=1,celllen do
pres = pres .. " "
end
local s = string.format("%s",pres)
table.insert(line,s)
else
local s = tostring(num)
local l = string.len(s)
local l = (celllen-l)/2
local prel = math.floor(l)
local sufl = math.ceil(l)
local pres = ""
for tmp=1,prel do
pres = pres .. " "
end
local sufs = pres
if sufl>prel then
sufs = pres.. " "
end
local s = string.format("%s%s%s",pres,s,sufs)
table.insert(line,s)
end
end
local line = table.concat(line,"|")
line = "|" .. line .. "|"
table.insert(gridStrLines,line)
table.insert(gridStrLines,"-------------------------------------")
end
local gridStr = table.concat(gridStrLines,"n")
print(gridStr)
end
local function getRandomZeroPos(grid)
local m = #grid
local n = #grid[1]
local zeros = {}
for i=1,m do
for j=1,n do
if grid[i][j]==0 then
table.insert(zeros,{i=i,j=j})
end
end
end
if #zeros>0 then
local r = math.random(1,#zeros)
return zeros[r].i,zeros[r].j
end
end
local function randomNum(grid)
local i,j = getRandomZeroPos(grid)
if i and j then
local r = math.random()
if r<0.9 then
grid[i][j] = 2
else
grid[i][j] = 4
end
return i,j
end
end
local function moveLeft(grid)
print("==============moveLeft===============")
local score = 0
local win = false
local m = #grid
local n = #grid[1]
for i=1,m do
local line = {}
for j=1,n do
if grid[i][j]~=0 then
table.insert(line,grid[i][j])
end
end
local k=#line
for j=1,n do
if j<=k then
grid[i][j] = line[j]
else
grid[i][j] = 0
end
end
for j=1,k-1 do
if grid[i][j]==grid[i][j 1] then
grid[i][j 1] = grid[i][j] grid[i][j 1]
if grid[i][j 1]==2048 then
win = true
end
score = score grid[i][j 1]
for x=j,n-1 do
grid[i][x] = grid[i][x 1]
end
grid[i][n] = 0
end
end
end
return score,win
end
local function moveRight(grid)
print("==============moveRight==============")
local score = 0
local win = false
local m = #grid
local n = #grid[1]
for i=1,m do
local line = {}
for j=n,1,-1 do
if grid[i][j]~=0 then
table.insert(line,grid[i][j])
end
end
local k = #line
for j=n,1,-1 do
if n-j 1<=k then
grid[i][j] = line[n-j 1]
else
grid[i][j] = 0
end
end
for j=n,n-k 2,-1 do
if grid[i][j]==grid[i][j-1] then
grid[i][j-1] = grid[i][j] grid[i][j-1]
if grid[i][j-1]==2048 then
win = true
end
score = score grid[i][j-1]
for x=j,2,-1 do
grid[i][x] = grid[i][x-1]
end
grid[i][1] = 0
end
end
end
return score,win
end
local function moveUp(grid)
print("===============moveUp================")
local score = 0
local win = false
local m = #grid
local n = #grid[1]
for j=1,n do
local line = {}
for i=1,m do
if grid[i][j]~=0 then
table.insert(line,grid[i][j])
end
end
local k = #line
for i=1,m do
if i<=k then
grid[i][j] = line[i]
else
grid[i][j] = 0
end
end
for i=1,k-1 do
if grid[i][j]==grid[i 1][j] then
grid[i 1][j] = grid[i][j] grid[i 1][j]
if grid[i 1][j]==2048 then
win = true
end
score = score grid[i 1][j]
for x=i,m-1 do
grid[x][j] = grid[x 1][j]
end
grid[m][j] = 0
end
end
end
return score,win
end
local function moveDown(grid)
print("==============moveDown===============")
local score = 0
local win = false
local m = #grid
local n = #grid[1]
for j=1,n do
local line = {}
for i=m,1,-1 do
if grid[i][j]~=0 then
table.insert(line,grid[i][j])
end
end
local k = #line
for i=m,1,-1 do
if m-i 1<=k then
grid[i][j] = line[m-i 1]
else
grid[i][j] = 0
end
end
for i=m,m-k 2,-1 do
if grid[i][j]==grid[i-1][j] then
grid[i-1][j] = grid[i][j] grid[i-1][j]
if grid[i-1][j]==2048 then
win = true
end
score = score grid[i-1][j]
for x=i,2,-1 do
grid[x][j] = grid[x-1][j]
end
grid[1][j] = 0
end
end
end
return score,win
end
local function copyGrid(grid)
local m = #grid
local n = #grid[1]
local tmpGrid = {}
for i=1,m do
if not tmpGrid[i] then
tmpGrid[i] = {}
end
for j=1,n do
tmpGrid[i][j] = grid[i][j]
end
end
return tmpGrid
end
local function getOpList(beforeGrid,grid)
local m = #grid
local n = #grid[1]
local op_list = {}
for i=1,m do
for j=1,n do
if beforeGrid[i][j]~=grid[i][j] then
table.insert(op_list,{
'setnum',i,j,grid[i][j]})
end
end
end
return op_list
end
-- serialize lua table. for save lua table in file
function serialize(t)
local mark={}
local assign={}
local function ser_table(tbl,parent)
mark[tbl]=parent
local tmp={}
for k,v in pairs(tbl) do
local key= type(k)=="number" and "["..k.."]" or k
if type(v)=="table" then
local dotkey= parent..(type(k)=="number" and key or "."..key)
if mark[v] then
table.insert(assign,dotkey.."="..mark[v])
else
table.insert(tmp, key.."="..ser_table(v,dotkey))
end
else
table.insert(tmp, key.."="..v)
end
end
return "{
"..table.concat(tmp,",").."}"
end
return ser_table(t,"ret")..table.concat(assign," ")
end
function initGrid(m,n)
local grid = {}
for i=1,m do
if not grid[i] then
grid[i] = {}
end
for j=1,n do
grid[i][j] = 0
end
end
randomNum(grid)
randomNum(grid)
return grid
end
function canMove(grid)
local m = #grid
local n = #grid[1]
for i=1,m do
for j=1,n do
if grid[i][j]==0 then
return true
end
if (i<m and grid[i][j]==grid[i 1][j] )
or (j<n and grid[i][j]==grid[i][j 1]) then
return true
end
end
end
return false
end
local ops = {
left = moveLeft,
right = moveRight,
up = moveUp,
down = moveDown,
}
function touch_op(grid,op)
local beforeGrid = copyGrid(grid)
local score,win = ops[op](grid)
randomNum(grid)
printGrid(grid)
local op_list = getOpList(beforeGrid,grid)
return op_list,score,win
end
-------------------------------------------------------------------------------
-- for lua console 2048
-------------------------------------------------------------------------------
local function main()
local grid = initGrid(4,4)
randomNum(grid)
printGrid(grid)
io.write("next step 'a'[←],'w'[↑],'s'[↓],'d'[→],'q'[exit] >> ")
local input = io.read()
while input~="q" do
if input=="a" or input=="w" or input=="s" or input=="d" then
if input=="a" then
moveLeft(grid)
elseif input=="w" then
moveUp(grid)
elseif input=="s" then
moveDown(grid)
elseif input=="d" then
moveRight(grid)
end
randomNum(grid)
printGrid(grid)
else
print("error input. please input 'a'[←] or 'w'[↑] or 's'[↓] or 'd'[→] or 'q'[exit]")
end
io.write("next step 'a'[←],'w'[↑],'s'[↓],'d'[→],'q'[exit] >> ")
input = io.read()
end
end
-- uncomment this. you can in console run command to play console 2048. "$ lua logic.lua"
main()用notepad 来运行lua代码，要运行命令:
cmd /k lua “$(FULL_CURRENT_PATH)” & PAUSE & EXIT
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