move UI for horizontal aspect ratio, add load modal and new icons, tweak camera

conf.lua

@@ -12,7 +12,7 @@ function love.conf(t)
 
     t.window.title = "dcEarth"          -- The window title (string)
     t.window.icon = "icons/favicon.png" -- Filepath to an image to use as the window's icon (string)
-    t.window.width = 800                -- The window width (number)
+    t.window.width = 1000               -- The window width (number)
     t.window.height = 640               -- The window height (number)
     t.window.borderless = false         -- Remove all border visuals from the window (boolean)
     t.window.resizable = true           -- Let the window be user-resizable (boolean)

lib/mkdir.lua

@@ -17,14 +17,7 @@ local exists, mkdir, PATH_SEPARATOR
 if ffi.os == "Windows" then
     ffi.cdef[[
     bool CreateDirectoryA(const char *path, void *lpSecurityAttributes);
-    int _access(const char *path, int mode);
     ]]
-    function exists(path)
-        assert(type(path) == "string", "path isn't a string")
-        local result = C._access(path, 0) -- Check existence
-        return result == 0
-    end
-   
     function mkdir(path, _)
         assert(type(path) == "string", "path isn't a string")
         if not C.CreateDirectoryA(path, nil) then
@@ -36,13 +29,7 @@ if ffi.os == "Windows" then
 elseif ffi.os == "Linux" or ffi.os == "OSX" then
     ffi.cdef[[
     int mkdir(const char *path, int mode);
-    int access(const char *path, int amode);
     ]]
-    function exists(path)
-        assert(type(path) == "string", "path isn't a string")
-        local result = C.access(path, 0) -- Check existence
-        return result == 0
-    end
     function mkdir(path, mode)
         assert(type(path) == "string", "path isn't a string")
         local mode = tonumber(mode or "755", 8)
@@ -94,6 +81,18 @@ local function mkdirs(path)
     end
 end
 
+--- Check if a file or directory exists in this path
+function exists(file)
+   local ok, err, code = os.rename(file, file)
+   if not ok then
+      if code == 13 then
+         -- Permission denied, but it exists
+         return true
+      end
+   end
+   return ok, err
+end
+
 return {
     exists = exists,
     join = join,

main.lua

@@ -1,9 +1,9 @@
 local love = assert( love, "This tool requires LOVE: love2d.org" )
 --assert( require('mobdebug') ).start() --remote debugger
-local map = require 'map'
-local button = require 'button'
-require 'mainmenu'
-local Camera = require 'camera'
+local map = require 'map.map'
+local button = require 'ui.button'
+local mainmenu = require 'ui.mainmenu'
+local Camera = require 'ui.camera'
 
 function love.load()
   love.filesystem.setIdentity( "dcearth", false )
@@ -44,29 +44,7 @@ function love.draw()
   map.draw()
   love.graphics.pop()
 
-  --Status bar.
-  local x, y = love.mouse.getPosition()
-  local wx, wy = Camera.GetWorldCoordinate( x, y )
-  local bx, by = Camera.GetBitmapCoordinate( x, y )
-  local h = love.graphics.getHeight() - 60
-  love.graphics.setColor( 0, 0, 0, 0.9 )
-  love.graphics.rectangle( "fill", 0, 0, 250, love.graphics.getHeight() )
-  love.graphics.setColor( 1, 1, 1, 1 )
-  love.graphics.print(([[
-  SCREEN  %-12d %-12d
-  WORLD   %-12.2f%-12.2f
-  BITMAP   %-12d %-12d
-  %s]]):format(x, y, wx, wy, bx, by, map.editLayer and map.editLayer.filename or ""), 0, 0)
-
-  if map.selected then love.graphics.print( map.selected:formatDisplayInfo(), 0, 80 ) end
-  if map.selectionLocked then end
-
-
-  love.graphics.rectangle( "line", 0, 0  , 250, 218 )
-  love.graphics.rectangle( "line", 0, 218, 250, love.graphics.getHeight() )
-  
-  love.graphics.setColor( 1, 1, 1, 0.6 )
-  button:draw()
+  mainmenu.draw()
 end
 
 function love.resize(w, h)
@@ -80,8 +58,7 @@ end
 function love.mousepressed( x, y, mouseButton, istouch, presses )
   local wx, wy = Camera.GetWorldCoordinate( x, y )
 
-  if button.selected and button.selected:contains( x, y ) then 
-    print( ("MOUSE\tx %f\ty %f\twx %f\twy %f"):format(x, y, wx, wy) )
+  if button.selected and button.selected:contains( x, y ) then
     button.callback( button.selected )
     return button.selected:callback()
   end
@@ -101,10 +78,10 @@ end
 
 function love.keypressed(key, code, isRepeat)
 
-  if code == "left"   then return button.selectPrev() end
-  if code == "right"  then return button.selectNext() end
-  if code == "down"   then return button.selectNextInGroup() end
-  if code == "up"     then return button.selectPrevInGroup() end
+  if code == "up"   then return button.selectPrev() end
+  if code == "down"  then return button.selectNext() end
+  if code == "right"   then return button.selectNextInGroup() end
+  if code == "left"     then return button.selectPrevInGroup() end
   if code == "return" then return button.selected:callback() end
 
   if key == "c" then

mainmenu.lua

@@ -1,142 +0,0 @@
-
-local love = assert( love )
-local button = require 'button'
-local savemodal = require 'savemodal'
-local map = require 'map'
-
-button.new{ name = "SAVE", y = 222, callback = savemodal.start, icon = love.graphics.newImage( "icons/save.png" )}
-button.new{ name = "UNDO", y = 250, callback = map.undo, icon = love.graphics.newImage( "icons/undo.bmp" ) }
-
-local tools
-local layerButtons = {}
-local function back( self )
-  for k, button in pairs( tools ) do button.visible = false end
-  for k, button in pairs( layerButtons ) do button.visible = true end
-  self.visible = false
-  map.editLayer = false
-end
-
-local backButton = button.new{
-  name = "UP", 
-  visible = false,
-  y = 250 + button.h + 4,
-  icon = love.graphics.newImage( "icons/up.bmp" ),
-  callback = back,
-}
-
-local function toolCallback( self )
-  local f = (map.layers[self.layer])[self.name]
-  if f then return f(self) end
-end
-
-tools = {
-  button.new{ name = "SELECT"},
-  button.new{ name = "ERASE",},
-  button.new{ name = "MOVE", },
-  button.new{ name = "ADD",  },
-  button.new{ name = "EDIT", },
-  button.new{ name = "DRAW", },
-}
-for i, v in ipairs( tools ) do 
-  v.callback = toolCallback 
-  v.y = 250 + (v.h + 4) * ( i + 1 )
-  v.visible = false
-end
-
-local layers = {
-  { name = "AF",    layer = "africa"       },
-  { name = "EU",    layer = "europe"       },
-  { name = "NA",    layer = "northamerica" },
-  { name = "SA",    layer = "southamerica" },
-  { name = "AS",    layer = "southasia"    },
-  { name = "RU",    layer = "russia"       },
-  { name = "PATH",  layer = "travelnodes"  },
-  { name = "AI",    layer = "ainodes"      },
-  { name = "CITY",  layer = "cities"       },
-  { name = "COAST", layer = "coastlines"   },
-  { name = "LOW",   layer = "coastlinesLow"},
-  { name = "INT",   layer = "international"},
-  { name = "SAIL",  layer = "sailable"     },
-}
-
-local showButtons = {}
-local visibilityIcon = love.graphics.newImage( "icons/eye.bmp" )
-local function updateVisibilityIcons()
-  for i = 1, #showButtons do
-    showButtons[i].icon = map.layers[ showButtons[i].layer ].visible and visibilityIcon
-  end
-end
-
-local function toggleVisibleLayer( self )
-  if not (self and self.layer) then return end
-  local ml = map.layers[ self.layer ]
-  ml.visible = not( ml.visible )
-  return updateVisibilityIcons()
-end
-
-local soloIcon = false--love.graphics.newImage( "icons/eye.bmp" )
-local function soloVisibleLayer( self )  
-  for k, layer in pairs( map.layers ) do
-    print( "invisible layer, map:", k, layer)
-    layer.visible = false
-  end
-  map.layers[ self.layer ].visible = true
-  return updateVisibilityIcons()
-end
-
-local function editLayer( self )
-  map.editLayer = map.layers[ self.layer ]
-  map.editLayer.visible = true
-  for k, button in pairs( layerButtons ) do button.visible = false end
-  for k, button in pairs( tools ) do 
-    button.visible = true
-    button.layer = self.layer
-  end
-  backButton.visible = true
-  print( "EDITING LAYER", self.layer )
-  return updateVisibilityIcons()
-end
-
-local function copy( i, target )
-  for k, v in pairs( layers[i] ) do 
-    target[k] = target[k] or v
-  end
-  return target
-end
-
-
-local y = 250
-local soloButtons = {}
-local editButtons = {}
-for i = 1, #layers do
-  editButtons[i] = button.new( copy( i, { 
-        x = 8,
-        y = y + (button.h + 4) * i,
-        w = 112,
-        callback = editLayer,
-        group = "edit",
-      }))
-  layerButtons[ 3 * i - 2 ] = editButtons[i]
-
-  showButtons[i] = button.new( copy( i, {
-        x = 128,
-        y = y + (button.h + 4) * i,
-        w = 24,
-        name = "",
-        callback = toggleVisibleLayer,
-        icon = visibilityIcon,
-        group = "show",
-      }))
-  layerButtons[ 3 * i - 1 ] = showButtons[i]
-
-  soloButtons[i] = button.new( copy( i, {
-        x = 160,
-        y = y + (button.h + 4) * i,
-        w = 24,
-        name = "S",
-        callback = soloVisibleLayer,
-        icon = soloIcon,
-        group = "solo",
-      }))
-  layerButtons[ 3 * i    ] = soloButtons[i]
-end

map/ai.lua

@@ -1,7 +1,7 @@
 --Manage the AI nodes used by DEFCON.
-local bmp = require 'bmp'
+local bmp = require 'map.bmp'
 local lg = assert( love.graphics )
-local locationQuery = require 'locationQuery'
+local locationQuery = require 'map.locationQuery'
 
 local t = setmetatable( {}, {__index = locationQuery } )
 local print = print

map/cities.lua

@@ -6,7 +6,7 @@ local table = table
 local tonumber = tonumber
 local lfs = love.filesystem
 local lg = love.graphics
-local locationQuery = require 'locationQuery'
+local locationQuery = require 'map.locationQuery'
 local cities
 local points = {}
 local caps = {}

map/lines.lua

@@ -87,11 +87,14 @@ function t.selectNearest( lines, wx, wy )
 end
 
 function t.save( lines )
-  local str = { "b" }
+  local str = { "b" } --initial B
   for i, poly in ipairs( lines ) do
     str[i + 1] = table.concat( poly, " " )
   end
-  str = table.concat( str, "\nb\n" ):gsub("(%S+) (%S+) ", "%1 %2\n")
+  --concatenate into one big string, one line per polygon
+  --then put each pair of numbers on their own line (without concatenating)
+  --we use CRLF line breaks here because that's what's in the original game files
+  str = table.concat( str, "\13\nb\13\n" ):gsub("(%S+) (%S+) ", "%1 %2\13\n")
   return str
 end
 

map/map.lua

@@ -2,12 +2,12 @@ local love = assert( love )
 local io = io
 local mkdir = assert( require 'lib.mkdir' )
 local lg = love.graphics
-local AI = require 'ai'
-local Cities = require 'cities'
-local Lines = require 'lines'
-local Nodes = require 'travelNodes'
-local Camera = require 'camera'
-local Territory = require 'territory'
+local AI = require 'map.ai'
+local Cities = require 'map.cities'
+local Lines = require 'map.lines'
+local Nodes = require 'map.travelNodes'
+local Camera = require 'ui.camera'
+local Territory = require 'map.territory'
 
 --flat list of editable layers for convenience
 local layers = {
@@ -33,7 +33,7 @@ local map = {
   selected = false,
   selectionLocked = false,
   editLayer = false,
-  
+
   territory = {
     africa = false,
     europe = false,
@@ -42,7 +42,7 @@ local map = {
     southamerica = false,
     southasia = false
   },
-  
+
   background = false,
   coastlines = false,
   coastlinesLow = false,
@@ -67,7 +67,7 @@ function map.load( path )
   end
   map.loaded = true
   map.path = path
-  
+
   --update references
   for k, v in pairs( layers ) do
     layers[k] = map[k] or map.territory[k]
@@ -75,6 +75,7 @@ function map.load( path )
 end
 
 function map.draw()
+  love.graphics.setScissor( 0, 200, love.graphics.getWidth(), love.graphics.getHeight() - 200 )
   lg.clear( 0, 0, 0, 1 )
   if not map.loaded then return end
 
@@ -192,7 +193,8 @@ end
 function map.save()
   --should be cross platform-ish
   for _, folder in ipairs{ "/data/", "/data/earth/", "/data/graphics/" } do
-    assert( mkdir.exists( map.path ) )
+    --getInfo checks if a directory exists
+    assert( mkdir.exists( map.path ), map.path )
     local path = map.path..folder
     if not mkdir.exists( path ) then mkdir.mkdir( path ) end
   end
@@ -211,4 +213,17 @@ function map.undo()
   print( "=== UNDO ===" )
 end
 
+function map.setEditLayer( layerName )
+  if not layerName then
+    map.editLayer = nil
+    for name, layer in pairs( layers ) do layer.visible = true end
+  else
+    for name, layer in pairs( layers ) do
+      layer.visible = false
+    end
+    map.editLayer = layers[ layerName ]
+    if map.editLayer then map.editLayer.visible = true end
+  end
+end
+
 return map

map/territory.lua

@@ -1,5 +1,5 @@
 local t = {}
-local bmp = require 'bmp'
+local bmp = require 'map.bmp'
 local lg = assert( love.graphics )
 
 local colours = { 

map/travelNodes.lua

@@ -2,8 +2,8 @@
 --This is important for a mapping tool because the DEFCON client will not load a map unless
 --the pathfinding nodes form a connected graph.
 
-local bmp = require 'bmp'
-local locationQuery = require 'locationQuery'
+local bmp = require 'map.bmp'
+local locationQuery = require 'map.locationQuery'
 local lg = assert( love.graphics )
 
 

ui/button.lua

@@ -2,13 +2,13 @@ local lg = love.graphics
 
 local t = {
   name = "",
-  tooltip = "button",
+  tooltip = "",
   icon = false,
   x = 8,
   y = 250,
   w = 176,
   h = 24,
-  group = false,
+  group = "",
   visible = true,
   callback = function( self ) return print( "clicked button: ", self.name, self.x, self.y, self.w, self.h, self.visible ) end
 }
@@ -29,13 +29,17 @@ function t.new( b )
   return b
 end
 
+function t.highlight( b )
+  lg.rectangle( "fill", b.x, b.y, b.w, b.h )
+end
+
 local drawPassOngoing = false
 function t.draw( b )
   if b == t then
     drawPassOngoing = not( drawPassOngoing )
     if not drawPassOngoing then return end
   elseif b.visible then
-    lg.rectangle( "line", b.x, b.y, b.w, b.h, 6 )
+    lg.rectangle( "line", b.x, b.y, b.w, b.h )
     lg.printf( b.name,
       b.x + (b.icon and b.h or 0),
       b.y + 0.5 * ( b.h - lg.getFont():getHeight() ),
@@ -49,7 +53,7 @@ function t.draw( b )
         b.h / h )
     end
     if t.selected == b then
-      lg.rectangle( "fill", b.x, b.y, b.w, b.h, 6 )
+      b:highlight()
     end
   end
   return t.draw( b.next )
@@ -74,7 +78,9 @@ end
 
 function t.selectNextInGroup()
   --make sure our group is visible, otherwise the loop doesn't end
-  local group = t.selected and t.selected.visible and t.selected.group
+  local group = t.selected 
+  group = group and t.selected.visible
+  group = group and t.selected.group
   if not group then return t.selectNext() end
   repeat t.selectNext() until group == t.selected.group
 end

ui/camera.lua

@@ -3,7 +3,7 @@ local tfTerritory = love.math.newTransform()
 local tfNodes = love.math.newTransform()
 local lg = assert( love.graphics )
 local Camera = { 
-  x = -90, y = 45,
+  x = 0, y = 70,
   w = 360, h = 200,
   zoom = 1, tf = tf,
   tfTerritory = tfTerritory, tfNodes = tfNodes }
@@ -37,7 +37,9 @@ end
 function Camera.Translate( x, y )
   x = x or 0
   y = y or 0
-  return Camera.Set( math.max(-180, math.min(360, Camera.x + x)), math.min(100, Camera.y + y), Camera.w, Camera.h)
+  return Camera.Set(
+    math.max(-360, math.min(360, Camera.x + x)),
+    math.max(-140, math.min(140, Camera.y + y)), Camera.w, Camera.h)
 end
 
 --In world coordinates: top left corner at x, y, extent of 1/w, 1/h.
@@ -48,14 +50,17 @@ function Camera.Set( x, y, w, h )
   tf:scale( w / 360, -h / 200 )
   tf:translate( 180 - x, -y - 100 )
   
+  
   tfTerritory:reset()
   tfTerritory:scale( w / 512, h / 285 )
   tfTerritory:translate( -x * 512 / 360, y * 512 / 360 )  
   
+  
   tfNodes:reset()
   tfNodes:scale( w / 360, -h / 200 )
   tfNodes:translate( 180 - x , -y - 100 )
   --tfNodes:translate( -x * 800 / 360, y * 400 / 200 )
+  
 end
 
 function Camera.Resize( w, h )

ui/loadmodal.lua

@@ -0,0 +1,61 @@
+local love = assert( love )
+local modal = require( "ui.modal" )
+local button = require( "ui.button" )
+local map = require( "map.map" )
+local t = {}
+
+local loadLocation = false
+local folder = love.graphics.newImage( "icons/load.png" )
+folder:setFilter( "nearest", "nearest" )
+local loadButton = button.new{   
+  group = "loadModal",
+  name = "load",
+  callback = function()
+    if not loadLocation then return end
+    map.load( loadLocation ) 
+    return t:stop() end,
+  visible = false,
+  icon = folder,
+  x = love.graphics.getWidth() / 2 - 300,
+  y = love.graphics.getHeight() / 2 - 150,
+  w = 600,
+  h = 100,
+}
+
+local xIcon = love.graphics.newImage( "icons/x.png" )
+xIcon:setFilter( "nearest", "nearest" )
+local cancelButton = button.new{
+  group = "loadModal",
+  name = "cancel load",
+  visible = false,
+  icon = xIcon,
+  callback = function() return t:stop() end,
+  x = love.graphics.getWidth() / 2 - 300,
+  y = love.graphics.getHeight() / 2,
+  w = 600,
+  h = 100
+  }
+
+function t.start()
+  modal.start( t )
+  loadLocation = loadLocation or map.path
+  button.selected = loadButton
+  loadButton.name = "save to "..loadLocation
+  button.displayGroup( "loadModal", true )
+end
+
+function t.draw()
+  love.graphics.clear( 0,0,0,1 )
+  love.graphics.setColor( 0, 0, 1, 0.4 )
+  button:draw()
+end
+
+function t.directorydropped( path )  
+  loadLocation = path
+  map.path = path
+  loadButton.name = "load from "..map.path
+  return love.filesystem.mount( path, "" )
+end
+
+
+return modal.new( t )

ui/mainmenu.lua

@@ -0,0 +1,158 @@
+
+local love = assert( love )
+local button = require 'ui.button'
+local savemodal = require 'ui.savemodal'
+local loadmodal = require 'ui.loadmodal'
+local Camera = require 'ui.camera'
+local map = require 'map.map'
+
+button.new{
+  name = "LOAD", x = 250, y = 0,
+  w = 28 * 13,
+  callback = loadmodal.start,
+  icon = love.graphics.newImage( "icons/load.png" )}
+button.new{
+  name = "SAVE", x = 250, y = 28,
+  w = 28 * 13,
+  callback = savemodal.start,
+  icon = love.graphics.newImage( "icons/save.png" )}
+button.new{
+  name = "UNDO", x = 250, y = 2 * 28,
+  w = 28 * 13,
+  callback = map.undo,
+  icon = love.graphics.newImage( "icons/undo.bmp" ) }
+
+
+local layers = {
+  { name = "AF",    layer = "africa"       },
+  { name = "EU",    layer = "europe"       },
+  { name = "NA",    layer = "northamerica" },
+  { name = "SA",    layer = "southamerica" },
+  { name = "AS",    layer = "southasia"    },
+  { name = "RU",    layer = "russia"       },
+  { name = "PATH",  layer = "travelnodes"  , icon = love.graphics.newImage( "icons/layer-travelnodes.png" )},
+  { name = "AI",    layer = "ainodes"      , icon = love.graphics.newImage( "icons/layer-ainodes.png" )},
+  { name = "CITY",  layer = "cities"       , icon = love.graphics.newImage( "icons/layer-cities.png" )},
+  { name = "COAST", layer = "coastlines"   , icon = love.graphics.newImage( "icons/layer-coastlines.png" )},
+  { name = "LOW",   layer = "coastlinesLow", icon = love.graphics.newImage( "icons/layer-coastlines-low.png" )},
+  { name = "INT",   layer = "international", icon = love.graphics.newImage( "icons/layer-international.png" )},
+  { name = "SAIL",  layer = "sailable"     , icon = love.graphics.newImage( "icons/layer-sailable.png" )},
+}
+
+local showButtons = {}
+local visibilityIcon = love.graphics.newImage( "icons/eye.bmp" )
+local function updateVisibilityIcons()
+  for i = 1, #showButtons do
+    showButtons[i].icon = map.layers[ showButtons[i].layer ].visible and visibilityIcon
+  end
+end
+
+local function toggleVisibleLayer( self )
+  if not (self and self.layer) then return end
+  local ml = map.layers[ self.layer ]
+  ml.visible = not( ml.visible )
+  return updateVisibilityIcons()
+end
+
+
+local activeLayerButton
+local function back( self )
+  self.visible = false
+  map.setEditLayer()
+  activeLayerButton = nil
+  return updateVisibilityIcons()
+end
+
+local backButton = button.new{
+  name = "UP", 
+  visible = false,
+  y = 5 * 28,
+  x = 250,
+  icon = love.graphics.newImage( "icons/up.bmp" ),
+  callback = back,
+}
+
+local function editLayer( self )
+  map.setEditLayer( self.layer )
+  activeLayerButton = self
+  backButton.visible = true
+  return updateVisibilityIcons()
+end
+
+local function copy( i, target )
+  for k, v in pairs( layers[i] ) do 
+    target[k] = target[k] or v
+  end
+  return target
+end
+
+
+local layerButtons = {}
+local x = 250
+local soloButtons = {}
+local editButtons = {}
+for i = 1, #layers do
+  editButtons[i] = button.new( copy( i, { 
+        y = 3 * 28,
+        x = x + (button.h + 4) * ( i - 1 ),
+        w = 24,
+        callback = editLayer,
+        group = "edit",
+        tooltip = "edit "..layers[i].layer
+      }))
+  layerButtons[ 2 * i - 2 ] = editButtons[i]
+
+  showButtons[i] = button.new( copy( i, {
+        y = 4 * 28,
+        x = x + (button.h + 4) * ( i - 1 ),
+        w = 24,
+        name = "",
+        callback = toggleVisibleLayer,
+        icon = visibilityIcon,
+        group = "show",
+        tooltip = "show "..layers[i].layer
+      }))
+  layerButtons[ 2 * i - 1 ] = showButtons[i]
+  
+end
+
+local t = {}
+
+function t.draw()
+    --Status bar.
+  love.graphics.setScissor( 0, 0, 250, 200 )
+  local x, y = love.mouse.getPosition()
+  local wx, wy = Camera.GetWorldCoordinate( x, y )
+  local bx, by = Camera.GetBitmapCoordinate( x, y )
+  local h = love.graphics.getHeight() - 60
+  love.graphics.setColor( 0, 0, 0, 1 )
+  love.graphics.rectangle( "fill", 0, 0, 250, love.graphics.getHeight() )
+  love.graphics.setColor( 1, 1, 1, 1 )
+  love.graphics.print(([[
+  SCREEN  %-12d %-12d
+  WORLD   %-12.2f%-12.2f
+  BITMAP   %-12d %-12d
+  %s
+  %s]]):format(
+  x, y,
+  wx, wy,
+  bx, by,
+  button.selected and button.selected.tooltip or "",
+  map.editLayer and map.editLayer.filename or ""), 0, 0)
+
+  if map.selected then love.graphics.print( map.selected:formatDisplayInfo(), 0, 80 ) end
+  if map.selectionLocked then end
+
+  love.graphics.setScissor( 0, 0, love.graphics.getWidth(), 200 )
+  love.graphics.rectangle( "line", 0, 0  , 250, 200 )
+  love.graphics.rectangle( "line", 250, 0, love.graphics.getWidth() - 250, 200 )
+  
+  
+  love.graphics.setColor( 1, 1, 1, 0.8 )
+  button:draw()
+  
+  love.graphics.setColor( 1, 0, 0, 0.4 )
+  if activeLayerButton then activeLayerButton:highlight() end
+end
+
+return t

ui/modal.lua

@@ -1,10 +1,12 @@
 local love = assert( love )
-local button = require( "button" )
+local button = require( "ui.button" )
 local t = {}
 t.__index = t
 
 local i = 0
 function t.start( self )
+  love.graphics.setScissor( 0, 0, love.graphics.getDimensions() )
+  
   i = i + 1
   t[i] = t[i] or {}
   
@@ -34,10 +36,10 @@ function t.stop( self )
   
   --restore menus
   local b = button
-  button.selected = button
+  button.deselect()
   repeat 
     b = b.next
-    b.visible = t[i][b]
+    b.visible = t[i][b] or false --accessing a button's nil field is an error, so make sure that b.visible is a boolean
   until b == button
   
   t[i] = nil

ui/savemodal.lua

@@ -1,7 +1,7 @@
 local love = assert( love )
-local modal = require( "modal" )
-local button = require( "button" )
-local map = require( "map" )
+local modal = require( "ui.modal" )
+local button = require( "ui.button" )
+local map = require( "map.map" )
 local t = {}
 
 local saveLocation = false

ui/textinput.lua

@@ -1,6 +1,6 @@
 local love = assert( love )
 local utf8 = require("utf8")
-local modal = require( "modal" )
+local modal = require( "ui.modal" )
 local t = modal.new{ }
 
 function t.setCurrentModal( fields )