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 = 1024               -- 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)

main.lua

@@ -2,7 +2,7 @@ local love = assert( love, "This tool requires LOVE: love2d.org" )
 --assert( require('mobdebug') ).start() --remote debugger
 local map = require 'map.map'
 local button = require 'ui.button'
-local mainmenu = require 'ui.menu.mainmenu'
+local mainmenu = require 'ui.mainmenu'
 local Camera = require 'ui.camera'
 
 function love.load()
@@ -58,7 +58,10 @@ end
 function love.mousepressed( x, y, mouseButton, istouch, presses )
   local wx, wy = Camera.GetWorldCoordinate( x, y )
 
-  return button.mousepressed( x, y )
+  if button.selected and button.selected:contains( x, y ) then
+    button.callback( button.selected )
+    return button.selected:callback()
+  end
 end
 
 function love.mousemoved( x, y, dx, dy, istouch )
@@ -86,6 +89,9 @@ function love.keypressed(key, code, isRepeat)
   end
 end
 
-function love.textinput()
+
+
+do
 
 end
+

map/cities.lua

@@ -53,48 +53,6 @@ function city:formatDisplayInfo()
   CAPITAL:   %s]]):format( self.name, self.country, self.x, self.y, self.pop, tostring(self.capital) )
 end
 
-function city:delete()
-  
-end
-
-function city:add()
-  local n = #cities + 1
-  cities[ n ] = self
-  self.n = n
-  
-  local idxPoints = #points + 1
-  self.points = idxPoints
-  points[ idxPoints ], points[ idxPoints + 1 ] = self.x, self.y
-
-end
-
-function city:moveTo(x, y)
-  self.x, self.y = x, y
-  if self.points then
-    points[ self.points ] = x
-    points[ self.points + 1 ] = y
-  end
-  if self.capital then
-    caps[ self.caps ] = x
-    caps[ self.caps + 1 ] = y
-  end
-end
-
-function city:toggleCapital()
-  self.capital = not( self.capital )
-end
-
-function t.newCity( tbl )
-  return setmetatable({
-        name = "",
-        country = "",
-        x = 0,
-        y = 0,
-        pop = 0,
-        capital = false,
-      }, citymt )
-end
-
 function t.load( filename )
   
   print( "=== LOADING CITIES. ===" )
@@ -114,8 +72,7 @@ function t.load( filename )
       local city = setmetatable({
         name = line:sub( 1, 39 ):gsub("%s+$",""),
         country = line:sub( 42, 82 ):gsub("%s+$",""),
-        x = x, y = y, pop = pop, capital = capital, 
-        n = n, points = idxPts, caps = capital and idxCaps
+        x = x, y = y, pop = pop, capital = capital
       }, citymt )
       cities[n]  = city
       n = n + 1

map/lines.lua

@@ -12,7 +12,7 @@ function polygon:formatDisplayInfo()
   y: %f
   X: %f
   Y: %f
-  Length: %d]]):format( self.x, self.y, self.X, self.Y, #self / 4 )
+  N: %d]]):format( self.x, self.y, self.X, self.Y, #self )
 end
 
 function polygon:drawDirection()
@@ -73,9 +73,8 @@ function t.selectNearest( lines, wx, wy )
     poly.X + 5 > wx and
     poly.y - 5 < wy and
     poly.Y + 5 > wy then
-      for k = 1, #poly - 3, 4 do
-        --find the midpoint of each line segment
-        local x, y = 0.5 * (poly[k] + poly[k + 2]), 0.5 * (poly[k + 1] + poly[k + 3])
+      for k = 1, #poly, 2 do
+        local x, y = poly[k], poly[k + 1]
         local r = ( x - wx ) * ( x - wx ) + ( y - wy ) * ( y - wy )
         if r < d then
           d = r

readme.txt

@@ -1,5 +1 @@
 Map editor for DEFCON, the strategy game, written in LOVE2D, the engine.
-
-Currently does not do anything besides read the files and write them back out.
-
-Need to make a more structured UI, rewriting menu.lua and button.lua for this purpose.

ui/button.lua

@@ -4,13 +4,12 @@ local t = {
   name = "",
   tooltip = "",
   icon = false,
-  lit = false,
   x = 8,
   y = 250,
-  w = 13 * 28 - 4,
+  w = 176,
   h = 24,
-  group = false,
-  visible = false,
+  group = "",
+  visible = true,
   callback = function( self ) return print( "clicked button: ", self.name, self.x, self.y, self.w, self.h, self.visible ) end
 }
 t.selected, t.next, t.prev = t, t, t
@@ -53,7 +52,7 @@ function t.draw( b )
         0,
         b.h / h )
     end
-    if b.lit or t.selected == b then
+    if t.selected == b then
       b:highlight()
     end
   end
@@ -93,27 +92,15 @@ function t.selectPrevInGroup()
   repeat t.selectPrev() until group == t.selected.group
 end
 
---show/hide all buttons in a group
---passing hide=true will hide the group, hide=false or nil will show the group
---solo=true will hide all buttons outside the group
-function t.displayGroup( group, hide, solo )
+function t.displayGroup( group, show )
   local b = t
   repeat 
     b = b.next
-    local inGroup = (group == b.group)
-    if solo or inGroup then
-      b.visible = not(hide) and inGroup
-    end
+    b.visible = ( b.group == group )
   until b == t
   t.visible = true
 end
 
-function t.mousepressed( x, y )
-  if t.selected and t.selected:contains( x, y ) then
-    return t.selected:callback()
-  end
-end
-
 function t.deselect( b )
   t.selected = t
 end

ui/loadmodal.lua

@@ -8,7 +8,7 @@ local loadLocation = false
 local folder = love.graphics.newImage( "icons/load.png" )
 folder:setFilter( "nearest", "nearest" )
 local loadButton = button.new{   
-  group = t,
+  group = "loadModal",
   name = "load",
   callback = function()
     if not loadLocation then return end
@@ -25,7 +25,7 @@ local loadButton = button.new{
 local xIcon = love.graphics.newImage( "icons/x.png" )
 xIcon:setFilter( "nearest", "nearest" )
 local cancelButton = button.new{
-  group = t,
+  group = "loadModal",
   name = "cancel load",
   visible = false,
   icon = xIcon,
@@ -41,7 +41,7 @@ function t.start()
   loadLocation = loadLocation or map.path
   button.selected = loadButton
   loadButton.name = "save to "..loadLocation
-  button.displayGroup( t, true )
+  button.displayGroup( "loadModal", true )
 end
 
 function t.draw()

ui/mainmenu.lua

@@ -5,44 +5,40 @@ local savemodal = require 'ui.savemodal'
 local loadmodal = require 'ui.loadmodal'
 local Camera = require 'ui.camera'
 local map = require 'map.map'
-local t = {}
-
-local loadImg = love.graphics.newImage
-local layers = {
-  { name = "AF",    layer = "africa"       , menu = require 'ui.menu.territory' },
-  { name = "EU",    layer = "europe"       , menu = require 'ui.menu.territory' },
-  { name = "NA",    layer = "northamerica" , menu = require 'ui.menu.territory' },
-  { name = "SA",    layer = "southamerica" , menu = require 'ui.menu.territory' },
-  { name = "AS",    layer = "southasia"    , menu = require 'ui.menu.territory' },
-  { name = "RU",    layer = "russia"       , menu = require 'ui.menu.territory' },
-  { name = "PATH",  layer = "travelnodes"  , menu = require 'ui.menu.travelnodes',  icon = loadImg( "icons/layer-travelnodes.png" )},
-  { name = "AI",    layer = "ainodes"      , menu = require 'ui.menu.ainodes', icon = loadImg( "icons/layer-ainodes.png" )},
-  { name = "CITY",  layer = "cities"       , menu = require 'ui.menu.cities', icon = loadImg( "icons/layer-cities.png" )},
-  { name = "COAST", layer = "coastlines"   , menu = require 'ui.menu.lines', icon = loadImg( "icons/layer-coastlines.png" )},
-  { name = "LOW",   layer = "coastlinesLow", menu = require 'ui.menu.lines', icon = loadImg( "icons/layer-coastlines-low.png" )},
-  { name = "INT",   layer = "international", menu = require 'ui.menu.lines', icon = loadImg( "icons/layer-international.png" )},
-  { name = "SAIL",  layer = "sailable"     , menu = require 'ui.menu.territory', icon = loadImg( "icons/layer-sailable.png" )},
-}
 
 button.new{
   name = "LOAD", x = 250, y = 0,
-  group = t,
+  w = 28 * 13,
   callback = loadmodal.start,
   icon = love.graphics.newImage( "icons/load.png" )}
 button.new{
   name = "SAVE", x = 250, y = 28,
-  group = t,
+  w = 28 * 13,
   callback = savemodal.start,
   icon = love.graphics.newImage( "icons/save.png" )}
 button.new{
   name = "UNDO", x = 250, y = 2 * 28,
-  group = t,
+  w = 28 * 13,
   callback = map.undo,
   icon = love.graphics.newImage( "icons/undo.bmp" ) }
 
 
-local editButtons = {}
-local layerButtons = {}
+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()
@@ -61,17 +57,9 @@ end
 
 local activeLayerButton
 local function back( self )
-  activeLayerButton.lit = false
-  activeLayerButton = nil
-  map.setEditLayer()
-  button.displayGroup( t, false, true )
-  for i, b in ipairs( editButtons ) do
-    b.visible = true
-  end
-  for i, b in ipairs( showButtons ) do
-    b.visible = true
-  end
   self.visible = false
+  map.setEditLayer()
+  activeLayerButton = nil
   return updateVisibilityIcons()
 end
 
@@ -80,18 +68,13 @@ local backButton = button.new{
   visible = false,
   y = 5 * 28,
   x = 250,
-  group = false,
   icon = love.graphics.newImage( "icons/up.bmp" ),
   callback = back,
 }
 
 local function editLayer( self )
-  self.lit = true
   map.setEditLayer( self.layer )
   activeLayerButton = self
-  if self.menu then
-    button.displayGroup( self.menu )
-  end
   backButton.visible = true
   return updateVisibilityIcons()
 end
@@ -103,15 +86,18 @@ local function copy( i, target )
   return target
 end
 
-local x = 250
-for i = 1, #layers do
 
+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 = editButtons,
+        group = "edit",
         tooltip = "edit "..layers[i].layer
       }))
   layerButtons[ 2 * i - 2 ] = editButtons[i]
@@ -123,13 +109,14 @@ for i = 1, #layers do
         name = "",
         callback = toggleVisibleLayer,
         icon = visibilityIcon,
-        group = showButtons,
+        group = "show",
         tooltip = "show "..layers[i].layer
       }))
   layerButtons[ 2 * i - 1 ] = showButtons[i]
   
 end
 
+local t = {}
 
 function t.draw()
     --Status bar.
@@ -156,22 +143,16 @@ function t.draw()
   if map.selected then love.graphics.print( map.selected:formatDisplayInfo(), 0, 80 ) end
   if map.selectionLocked then end
 
-  love.graphics.setScissor( 250, 0, love.graphics.getWidth() - 250, 200 )
+  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.rectangle( "line", 250, 0, button.w, 200 )
   
   
   love.graphics.setColor( 1, 1, 1, 0.8 )
   button:draw()
-  love.graphics.setColor( 1, 0, 0, 0.4 )
-end
   
-do --button visibility
-  button.displayGroup( t, false, true )
-  button.displayGroup( editButtons, false, false )
-  button.displayGroup( layerButtons, false, false )
-  button.displayGroup( showButtons, false, false )
+  love.graphics.setColor( 1, 0, 0, 0.4 )
+  if activeLayerButton then activeLayerButton:highlight() end
 end
 
 return t

ui/menu/cities.lua

@@ -1,231 +0,0 @@
-
-local love = assert( love )
-local lg = assert( love ).graphics
-local utf8 = require 'utf8'
-
-local button = require 'ui.button'
-local textinput = require 'ui.textinput'
-local modal = require 'ui.modal'
-local map = require 'map.map'
-local camera = require 'ui.camera'
-
-local t = {}
-local city
-
-
-local function keypressed( key, code, isRepeat )
-  if code == 'escape' then return modal.current:stop() end
-  if modal.previous then return modal.previous.keypressed( key, code, isRepeat ) end
-end
-
---select modal: as normal, but clicking a city will proceed to the previously selected mode,
---and clicking escape will clear the previously selected mode
-local selectModal = modal.new{}
-local textModal = modal.new{}
-local numberModal = modal.new{ cursor = 1 }
-local editModal = modal.new{ mousepressed = button.mousepressed, keypressed = keypressed, }
-local moveModal = modal.new{ mousepressed = button.mousepressed, keypressed = keypressed, mousemoved = button.selectIn }
-local deleteModal = modal.new{ mousepressed = button.mousepressed, keypressed = keypressed }
-local currentMode
-
-button.new{ name = "NEW CITY",
-  group = t,
-  icon = lg.newImage("icons/layer-cities.png"),
-  x = 615,
-  y = 0,
-  callback = function()
-    city = map.cities.newCity()
-    return editModal:start()
-  end
-}
-
-moveModal.button = button.new{ name = "MOVE CITY",
-  group = t,
-  x = 615,
-  y = 28,
-  callback = function( self )
-    self.lit = true
-    selectModal.mode = moveModal
-    return selectModal:start()
-  end,
-}
-
-editModal.button = button.new{ name = "EDIT CITY",
-  group = t,
-  x = 615,
-  y = 28 * 2,
-  callback = function( self ) 
-    self.lit = true
-    selectModal.mode = editModal
-    return selectModal:start()
-  end,
-}
-
-deleteModal.button = button.new{ name = "DELETE CITY",
-  group = t,
-  x = 615,
-  y = 28 * 3,
-  icon = lg.newImage("icons/x.png"),
-  callback = function( self ) 
-    self.lit = true
-    selectModal.mode = deleteModal
-    return selectModal:start()
-  end,
-}
-
---editButtons
-local function editText( self )
-  print( "editing: ", self.field, city.name )
-  return textModal:start( self.field )
-end
-
-local function editNumber( self )
-  local field  = self.field
-end
-
-local editButtons = {
-
-  save = button.new{
-    icon = lg.newImage( "icons/save.png" ),
-    callback = function() print( "stop editing city" ) return editModal:stop() end,},
-
-
-  name = button.new{ callback = editText },
-  country = button.new{ callback = editText },
-  x = button.new{ callback = editNumber },
-  y = button.new{ callback = editNumber },
-  capital = button.new{ callback = function() if city then return city:toggleCapital() end end },
-}
-
-do
-  local i = 0
-  for key, b in pairs( editButtons ) do
-    b.field = key
-    b.name = key
-    b.group = editModal
-    b.x = 0
-    b.y = 28 * i
-    i = i + 1
-  end
-end
-
-function editModal:start()
-  modal.start( self )
-  button.displayGroup( self, false, true )
-  for k, b in pairs( editButtons ) do
-    b.name = city[k] or b.name
-  end
-end
-
-function editModal.draw()
-  return button:draw()
-end
-
-function moveModal.update( dt )
-  local x, y = love.mouse.getPosition()
-  if y > 200 and love.mouse.isDown( 1 ) then
-    local wx, wy = camera.GetWorldCoordinate( x, y )
-    city:moveTo( wx, wy )
-  end
-end
-
-function moveModal.mousemoved( x, y, dx, dy, istouch )
-  return button.selectIn( x, y )
-end
-
-function moveModal.mousepressed( x, y, mouseButton, istouch, presses )
-  if y < 200 then
-    moveModal:stop()
-    return button.mousepressed( x, y, mouseButton, istouch, presses )
-  end
-  if map.selected and mouseButton == 2 then
-    city = map.selected
-  end
-end
-
-function numberModal:start( field )
-  self.field = field
-  return modal.start( self )
-end
-
-function numberModal.keypressed( key, code, isrepeat )
-  if code == 'backspace' then end
-  if code == 'escape' then return numberModal:stop() end
-end
-
-function numberModal.textinput( char )
-  local str = tostring( city[ numberModal.field ] )
-  local plus = str..char
-  if tonumber( plus ) then
-    city[ numberModal.field ] = plus
-    editButtons[ numberModal.field ].name = plus
-  end
-end
-
-function textModal.textinput( char )
-  print( "text input: ", char )
-  city[textModal.field] = city[textModal.field] .. char
-  editButtons[textModal.field].name = city[textModal.field]
-end
-
-function textModal.mousepressed()
-end
-
-function textModal:stop()
-  self.field = nil
-  return modal.stop( self )
-end
-
-function textModal:start( field )
-  self.field = field
-  return modal.start( self )
-end
-
-
-function textModal.keypressed( key, code, isRepeat )
-  if code == "backspace" then
-    local text = city[textModal.field]
-    -- get the byte offset to the last UTF-8 character in the string.
-    local byteoffset = utf8.offset(text, -1)
-    print( "textmodal: backspace", byteoffset )
-
-    if byteoffset then
-      -- remove the last UTF-8 character.
-      -- string.sub operates on bytes rather than UTF-8 characters, so we couldn't do string.sub(text, 1, -2).
-      city[textModal.field] = text:sub( 1, byteoffset - 1)
-      editButtons[textModal.field].name = city[textModal.field]
-    end
-  end
-  if code == "escape" then
-    return textModal:stop()
-  end
-end
-
-function selectModal.keypressed( key, code, isRepeat )
-  if code == 'escape' then return selectModal:stop() end
-  if modal.previous then return modal.previous.keypressed( key, code, isRepeat ) end
-end
-
-function selectModal:stop()
-  local mode = selectModal.mode
-  if mode then
-    mode.button.lit = false
-  end
-  return modal.stop( self )
-end
-
-function selectModal.mousepressed( x, y, mouseButton, istouch, presses )
-  if y < 200 then
-    selectModal:stop()
-    return button.mousepressed( x, y, mouseButton, istouch, presses )
-  end
-
-  if map.selected then
-    city = map.selected
-    return selectModal.mode:start()
-  end
-end
-
-
-
-return t

ui/modal.lua

@@ -5,17 +5,10 @@ t.__index = t
 
 local i = 0
 function t.start( self )
-  print( "starting modal:", i + 1)
-  love.graphics.setScissor(
-    self.x or 0,
-    self.y or 0,
-    self.w or love.graphics.getWidth(),
-    self.h or love.graphics.getHeight())
+  love.graphics.setScissor( 0, 0, love.graphics.getDimensions() )
   
   i = i + 1
-  t[i] = { modal = self }
-  t.previous = t[i]
-  t.current = self
+  t[i] = t[i] or {}
   
   --store callbacks
   for name in pairs( self ) do
@@ -34,11 +27,10 @@ function t.start( self )
 end
 
 function t.stop( self )
-  print( "stopping modal:", i )
   --restore callbacks
   for name in pairs( self ) do
     if love[name] then
-      love[name] = t[i][name] or love[name]
+      love[name] = t[i][name]
     end
   end
   
@@ -47,16 +39,12 @@ function t.stop( self )
   button.deselect()
   repeat 
     b = b.next
-    b.visible = t[i][b] or false
+    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.current = t[i].modal
   t[i] = nil
   i = i - 1
-  t.previous = t[i - 1]
   
-    love.graphics.setScissor(0, 0, love.graphics.getDimensions())
 end
 
 function t.new( modal )

ui/savemodal.lua

@@ -8,7 +8,7 @@ local saveLocation = false
 local floppy = love.graphics.newImage( "icons/save.png" )
 floppy:setFilter( "nearest", "nearest" )
 local saveButton = button.new{   
-  group = t,
+  group = "saveModal",
   name = "save",
   callback = function() map.save(); return t:stop() end,
   visible = false,
@@ -22,7 +22,7 @@ local saveButton = button.new{
 local xIcon = love.graphics.newImage( "icons/x.png" )
 xIcon:setFilter( "nearest", "nearest" )
 local cancelButton = button.new{
-  group = t,
+  group = "saveModal",
   name = "cancel",
   visible = false,
   icon = xIcon,
@@ -38,7 +38,7 @@ function t.start()
   saveLocation = saveLocation or map.path
   button.selected = saveButton
   saveButton.name = "save to "..saveLocation
-  button.displayGroup( t, false, true )
+  button.displayGroup( "saveModal", true )
 end
 
 function t.draw()

ui/textinput.lua

@@ -47,17 +47,16 @@ function t.keypressed(key, code, isRepeat)
   end
 
   if key == "backspace" then
-    local text = t.currentModal.currentField
     -- get the byte offset to the last UTF-8 character in the string.
     local byteoffset = utf8.offset(text, -1)
 
     if byteoffset then
       -- remove the last UTF-8 character.
       -- string.sub operates on bytes rather than UTF-8 characters, so we couldn't do string.sub(text, 1, -2).
-      t.currentModal.currentField = text:sub( 1, byteoffset - 1)
+      text = string.sub(text, 1, byteoffset - 1)
     end
   end
-  if code == "escape" then
+  if key == "escape" then
     return t:stop()
   end
 end