pico-8 cartridge // http://www.pico-8.com
version 42
__lua__
entities={}

function _init()
 maps[currentmap]:init()
end

function _update()
 maps[currentmap]:update()
 player:update()
 for e in all(entities) do
  e:update()
 end
end

function _draw()
 maps[currentmap]:draw()
 player:draw()
 for e in all(entities) do
  e:draw()
 end
end

-->8
--globals

--types
entity={
x=0,
y=0,
s=0,
w=8,
h=8,
ox=0,
oy=0,
draw=function(self)
 spr(self.s,self.x*8,self.y*8)
end,
update=function(self)
end,
init=function(self)
end,
new=function(self,obj)
 obj = obj or self
 return setmetatable(obj, {__index=self})
end
}

maptype={
x=0,
y=0,
w=6,
h=8,
exits={
 first={
  x=3,
  y=1,
  s=3,
  n="red",
  px=3,
  py=1
 }
},
update=function(self)
 for goal in all(self.exits) do
	 if player.x == goal.x and player.y ==goal.y then
	  player.x,player.y=goal.px,goal.py
	  currentmap=goal.n
	  maps[currentmap]:init()
	 end
	end
end,
draw=function(self)
 cls()
 map(self.x,self.y,0,0,self.w,self.h)
 camera(-64+self.w*8/2,-64+self.h*8/2)
 printh("exits".. #self.exits)
 for goal in all(self.exits) do
  printh(goal)
  spr(goal.s,goal.x*8,goal.y*8)
 end
end,
init=function(self)

end,
new=function(self,obj)
 local obj = obj or self
 return setmetatable(obj, {__index=self})
end
}


--functions
function hit(obj, x, y)
 return fget(mget(obj.x+x,obj.y+y),1) 
end

-->8
--player
player=entity:new({
x=1,
y=1,
update=function(self)
 if btnp(⬆️) then
  if not (hit(self,0,-1)) then
    self.y-=1
  end
 end
 if btnp(⬇️) then
  if not (hit(self,0,1)) then
   self.y+=1
  end
 end
 if btnp(⬅️) then
  if not (hit(self,-1,0)) then
   self.x-=1
  end
 end
 if btnp(➡️) then
  if not (hit(self,1,0)) then
   self.x+=1
  end 
 end
end,
})





-->8
--maps
currentmap="red"
maps={
red=maptype:new({
exits={
{
	x=3,
	y=1,
	s=3,
	n="green",
	px=3,
	py=1
}
},
}),
green=maptype:new({
x=7,
y=0,
w=6,
h=8,
exits={
{
	x=4,
	y=4,
	s=3,
	n="red",
	px=4,
	py=4
}
},
})
}
__gfx__
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00077000488888853bbbbbbd01000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00700700488888853bbbbbbd01000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000488888853bbbbbbd01101111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000055555555dddddddd00110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000088d8888dbbdbbbbd00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000088d8888dbbdbbbbd00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000dd8dddd8ddbddddb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000d888d888dbbbdbbb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000d888d888dbbbdbbb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000dddddddddddddddd00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
000000008d888d88bdbbbdbb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
000000008d888d88bdbbbdbb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
__gff__
0002020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
__map__
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0111111111010002121212120200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0111111111010002121212120200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0111111111010002121212120200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0111111111010002121212120200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0101010101010002020202020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000