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function create(mode)
t=1/2
timer.start(t)

sprites={image.new("\007\000\000\000\007\000\000\000\000\000\000\000\014\000\000\000\016\000\001\000\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128\031\252\224\131\031\128")}
inventory={current=1,{type=0,amount=0},{type=0,amount=0},{type=0,amount=0},{type=0,amount=0},{type=0,amount=0},{type=0,amount=0},{type=0,amount=0},{type=0,amount=0}}
i=0
view=0
position={1,1,1}
pause=0
w=316
h=210
xlen=math.floor(w/j)
ylen=math.floor(h/j)
color={}

for x=1,xlen do
color[x]={}
for y=1,xlen do
color[x][y]={}
for z=1,xlen do
color[x][y][z]={visited=false,type=0}
if y==xlen then
color[x][y][z].type=-1
elseif y<=8 then
color[x][y][z].visited=true
elseif mode=="clear" then

elseif math.random()>0.3 then
color[x][y][z].type=1
elseif math.random()>0.3 then
color[x][y][z].type=2
end
end
end
end
reloadMenu()
end

function reloadMenu()
menu={{"Functions",{"Reset",reset},{"Clear",clear}}}
toolpalette.register(menu)
end

function clear()
create("clear")
end

function reset()
create("reset")
end

function on.arrowLeft()
c="4"
end

function left()
if (position[1]~=1 and view~=1) then
position[1]=position[1]-1
elseif (position[2]~=1 and view==1) then
position[2]=position[2]-1
end
end

function on.arrowRight()
c="6"
end

function right()
if (position[1]~=xlen and view~=1) then
position[1]=position[1]+1
elseif (position[2]~=xlen and view==1) then
position[2]=position[2]+1
end
end

function on.arrowDown()
c="2"
end

function down()
if (position[3]~=ylen and view~=2) then
position[3]=position[3]+1
elseif (position[2]~=ylen and view==2) then
position[2]=position[2]+1
end
end

function on.arrowUp()
c="8"
end

function up()
if (position[3]~=1 and view~=2) then
position[3]=position[3]-1
elseif (position[2]~=1 and view==2) then
position[2]=position[2]-1
end
end

function on.charIn(ch)
c=ch
end

function on.timer()
platform.window:invalidate()
end

function on.paint(gc)
--BG
gc:setColorRGB(0,0,64)
gc:fillRect(0,0,316,210)

if j==nil then
j=8
create("clear")
end

--Keypresses and d-pad
if c=="." then
if view==2 then
view = 0
else
view=view+1
end
elseif c=="1" then
down()
left()
elseif c=="2" then
down()
elseif c=="3" then
down()
right()
elseif c=="4" then
left()
elseif c=="6" then
right()
elseif c=="7" then
up()
left()
elseif c=="8" then
up()
elseif c=="9" then
up()
right()
end

if c then
c=""
end

--Gravity
i=1-i
if i==1 and  color[position[1]][position[2]+1][position[3]].type==0 then
position[2]=position[2]+1
end

--Lighting / shroud
for x=-1,1 do
for y=-1,1 do
for z=-1,1 do
if not ((x==-1 and position[1]==1) or (y==-1 and position[2]==1) or (z==-1 and position[3]==1) or (x==1 and position[1]==xlen) or (y==1 and position[2]==xlen) or (z==1 and position[3]==xlen)) then
color[position[1]+x][position[2]+y][position[3]+z].visited=true
end
end
end
end

--Inventory/mining
if color[position[1]][position[2]][position[3]].type>0 then
local slot=-1
for i=1,8 do
if inventory[1].type==color[position[1]][position[2]][position[3]].type then

end

if not inventory[color[position[1]][position[2]][position[3]].type] then
inventory[color[position[1]][position[2]][position[3]].type]=1
else
inventory[color[position[1]][position[2]][position[3]].type]=inventory[color[position[1]][position[2]][position[3]].type]+1
end

color[position[1]][position[2]][position[3]].type=0
end

--Draw tiles
if view==0 then
for x=1,xlen do
for z=1,ylen do
top=1
for y=position[2]+1,ylen do
if top==1 and color[x][y][z] then
top=y
end
end
if x==position[1] and z==position[3] then
gc:drawImage(sprites[1],x*j-j*0.5-1,z*j-j*0.5-1)
else
--Lighting/fog
if color[x][top][z].visited==false then
d = (math.sqrt((x-position[1])*(x-position[1])+(top-position[2])*(top-position[2])+(z-position[3])*(z-position[3])))
d=1-(d/ylen)
if d<0 then
d=0
elseif d>1 then
d=1
end
else
d=1
end
--Color picker
top=color[x][top][z].type
if top==0 then
gc:setColorRGB(255*d,255*d,255*d)
elseif top==1 then
gc:setColorRGB(150*d,100*d,50*d)
elseif top==2 then
gc:setColorRGB(150*d,150*d,150*d)
elseif top==3 then
gc:setColorRGB(200*d,200*d,200*d)
end
gc:fillRect(x*j-j*0.5-1,z*j-j*0.5-1,j-1,j-1)
end
end
end
elseif view==1 then
for y=1,xlen do
for z=1,ylen do
top=position[1]
--for x=position[1]+1,ylen do
--if top==1 and color[x][y][z] then
--top=x
--end
--end
if y==position[2] and z==position[3] then
gc:drawImage(sprites[1],y*j-j*0.5-1,z*j-j*0.5-1)
else
--Lighting/fog
if not color[top][y][z].visited then
d = (math.sqrt((top-position[1])*(top-position[1])+(y-position[2])*(y-position[2])+(z-position[3])*(z-position[3])))
d=1-(d/ylen*3)
if d<0 then
d=0
elseif d>1 then
d=1
end
else
d=1
end
--Color picker
top=color[top][y][z].type
if top==0 then
gc:setColorRGB(255*d,255*d,255*d)
elseif top==1 then
gc:setColorRGB(150*d,100*d,50*d)
elseif top==2 then
gc:setColorRGB(150*d,150*d,150*d)
elseif top==3 then
gc:setColorRGB(200*d,200*d,200*d)
end
gc:fillRect(y*j-j*0.5-1,z*j-j*0.5-1,j-1,j-1)
end
end
end
elseif view==2 then
for x=1,xlen do
for y=1,ylen do
top=position[3]
--for z=position[1]+1,ylen do
--if top==1 and color[x][y][z] then
--top=z
--end
--end
if x==position[1] and y==position[2] then
gc:drawImage(sprites[1],x*j-j*0.5-1,y*j-j*0.5-1)
else
--Lighting/fog
if color[x][y][top].visited==false then
d = (math.sqrt((x-position[1])*(x-position[1])+(y-position[2])*(y-position[2])+(top-position[3])*(top-position[3])))
d=1-(d/ylen*3)
if d<0 then
d=0
elseif d>1 then
d=1
end
else
d=1
end
--Color picker
top=color[x][y][top].type
if top==0 then
gc:setColorRGB(255*d,255*d,255*d)
elseif top==1 then
gc:setColorRGB(150*d,100*d,50*d)
elseif top==2 then
gc:setColorRGB(150*d,150*d,150*d)
elseif top==3 then
gc:setColorRGB(200*d,200*d,200*d)
end
gc:fillRect(x*j-j*0.5-1,y*j-j*0.5-1,j-1,j-1)
end
end
end
end
end
function on.mouseDown(x,y)
local coords={position[1],position[2],position[3]}
if view==0 then
coords[1]=math.ceil(x/j)
coords[3]=math.ceil(y/j)
elseif view==1 then
coords[2]=math.ceil(x/j)
coords[3]=math.ceil(y/j)
elseif view==2 then
coords[1]=math.ceil(x/j)
coords[2]=math.ceil(y/j)
end
if color[coords[1]][coords[2]][coords[3]].type==0 then
color[coords[1]][coords[2]][coords[3]].type=1
end
end