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dcearth
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Merge pull request 'merge to main' (#1) from bmploading into main 

Reviewed-on: #1
lgtm let er rip
This commit is contained in:
wanmay 2024-04-29 02:54:05 +00:00
parent 688e954c2b e39e772589
commit ee394d71e0
33 changed files with 966 additions and 304 deletions
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2
.gitignore vendored Normal file
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@ -0,0 +1,2 @@
build/
test/

39
ai.lua
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@ -1,13 +1,28 @@
--Manage the AI nodes used by DEFCON.
local t = {}
local bmp = require 'bmp'
local lg = assert( love.graphics )
local locationQuery = require 'locationQuery'
local t = setmetatable( {}, {__index = locationQuery } )
local print = print
local aiNode = {}
local mtAiNode = { __index = aiNode }
function aiNode:formatDisplayInfo()
return ([[AI NODE: %d
LONGITUDE: %3.2f
LATITUDE: %3.2f
ATTACKING: %s
]]):format( self.idx, self.x, self.y, tostring(self.attacking) )
end
function t.load( filename )
local img, imgd = bmp.load( filename )
local nodes = {
filename = filename,
visible = true,
all = {},
att = {},
ptsAtt = {},
def = {},
@ -16,15 +31,19 @@ function t.load( filename )
imgd = imgd }
print( "=== Loading AI Markers: ===" )
local idx = 1
for x = 0, 511 do
for y = 0, 284 do
local r, g = imgd:getPixel( x, 284 - y )
if r > 0.5 or g > 0.5 then
local long = x * (360 / imgd:getWidth()) - 180
local lat = y * (200 / img:getHeight()) - 100
local set = (r > 0.5) and nodes.att or nodes.def
set[#set + 1] = {x = long, y = lat}
print( #set, long, lat )
local attacking = (r > 0.5)
local set = attacking and nodes.att or nodes.def
local node = setmetatable( {x = long, y = lat, attacking = attacking, idx = idx}, mtAiNode )
nodes.all[ idx ] = node
set[#set + 1] = node
idx = idx + 1
end
end
end
@ -42,8 +61,14 @@ function t.load( filename )
k = k + 2
end
end
nodes.all = locationQuery.New( nodes.all )
setmetatable( nodes, {__index = t } )
return nodes
end
return setmetatable( nodes, {__index = t } )
function t.selectNearest( nodes, x, y )
return (nodes.all):getClosestPoint( x, y )
end
function t.draw( nodes )
@ -53,8 +78,8 @@ function t.draw( nodes )
lg.points( nodes.ptsDef )
end
function t.save( nodes, filename )
function t.save( nodes )
return bmp.savePoints( nodes.all, "512rgb24" )
end
return t

124
bmp.lua
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@ -7,6 +7,41 @@ local lfs = love.filesystem
local ffi = require 'ffi'
local bit = require 'bit'
local function getHeader( filename )
local offset = love.data.unpack( "<I4", assert(love.filesystem.read( "data", filename, 14 )), 11 )
local header, size = assert( love.filesystem.read( filename, offset ) )
print( "BMP HEADER", filename, size, "\n", header )
return header
end
local formats = {
["512rgb24"] = {
header = getHeader( "data/earth/africa.bmp" ),
encode = function( r ) return math.floor( r * 255 ) end,
bytesPerPixel = 3,
w = 512,
h = 285,
},
["512r4"] = {
header = getHeader( "data/earth/sailable.bmp" ),
encode = function( r ) return math.floor( r * 255 / 16 ) end,
bytesPerPixel = 0.5,
w = 512,
h = 285,
},
["800r4"] = {
header = getHeader( "data/earth/travel_nodes.bmp" ),
encode = function( r ) return math.floor( r * 255 / 16 ) end,
bytesPerPixel = 0.5,
w = 512,
h = 285,
}
}
function t.header( format )
return formats[format] and formats[format].header
end
function t.load( filename )
local imgd = love.image.newImageData( filename )
print( "LOADING BITMAP: ", filename, imgd:getSize(), imgd:getFormat(), imgd:getDimensions() )
@ -15,8 +50,93 @@ function t.load( filename )
return img, imgd
end
function t.save( data, filename )
local w, h = data:getDimensions()
--maps an array of 1-byte pixel values (numbers 0 to 15 inclusive)
--to an array of half-byte pixel values (which can be concatenated into a string)
--BUT don't touch the first element (which is assumed to be a header or something)
local function foldByteArray( bytes )
local nybbles = { bytes[1] }
for j = 2, #bytes / 2 do
local a, b = bytes[ 2 * j - 2 ], bytes[ 2 * j - 1 ]
nybbles[j] = string.char( 16 * a + b )
end
return nybbles
end
local function packTwentyFour( bytes )
local twentyFour = { bytes[1] }
for j = 2, #bytes do
bytes[j] = string.char( bytes[j], bytes[j], bytes[j] )
end
end
function t.save( data, format )
local w, h = data:getDimensions()
format = assert( formats[format] )
local bytes = { format.header }
format.byte = 0
local i = 2
for x = 0, w - 1 do
for y = 0, h - 1 do
bytes[i] = format.encode( data:getPixel(x, y) )
i = i + 1
end
end
if format.bytesPerPixel < 1 then bytes = foldByteArray( bytes )
else packTwentyFour( bytes ) end
return table.concat( bytes )
end
--takes an array of world-space points in [-180, 180] x [-100, 100]
--e.g { { x = 0.5, y = 0.5 }, { x = 0.4, y = 0.6 }, }, etc.
--and a function which maps points to colours
function t.savePoints( points, format )
format = assert( formats[format] )
--set up bitmap as an array of pixels
local w, h = format.w, format.h
local size = 2 + format.w * format.h
local bitmap = { format.header }
for j = 2, size do bitmap[j] = 0 end
--this is black-and-white only. easy case
if format.bytesPerPixel < 1 then
for i, point in ipairs( points ) do
local wx, wy = point.x, point.y
--get bitmap coordinates
local x, y = math.floor(format.w * (wx + 180) / 360), math.floor(format.h * (1.0 - (wy + 100) / 200))
--get index into byte array
local idx = 2 + x * format.h + y
bitmap[idx] = 0x0f --0b00001111
end
--now map pixels to 4-bit strings, slap on the header, and pass it back up
return table.concat( foldByteArray( bitmap ) )
end
--cf. ai.lua: these points can be red or green
for i, point in ipairs( points ) do
local wx, wy = point.x, point.y
--get bitmap coordinates
local x, y = math.floor(format.w * (wx + 180) / 360), math.floor(format.h * (1.0 - (wy + 100) / 200))
--get index into byte array
local idx = 2 + x * format.h + y
--in-editor we could have two points in the same place, possibly of the same or different types
--in case we miss something upstream, don't corrupt these duplicate points,
--just saturate the attack/defense value
if bitmap[idx] == 0 then bitmap[idx] = { attack = point.attacking, place = not(point.attacking)}
else
bitmap[idx].attack = bitmap[idx].attack or point.attacking
bitmap[idx].place = bitmap[idx].place or not(point.attacking)
end
end
--now map pixels to 3-byte strings
for j = 2, size do
if bitmap[j] == 0
then bitmap[j] = "\0\0\0"
else bitmap[j] = string.char( bitmap[j].attack and 0xff or 0, bitmap[j].place and 0xff or 0, 0 )
end
end
return table.concat( bitmap )
end
return t

136
button.lua
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@ -1,32 +1,128 @@
local t = {}
local lg = love.graphics
function t.onHover( button )
local t = {
name = "",
tooltip = "button",
icon = false,
x = 8,
y = 250,
w = 176,
h = 24,
group = false,
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
function t.contains( button, x, y )
return x < button.x + button.w and x > button.x
and y < button.y + button.h and y > button.y
end
function t.onClick( button )
local function debugLoop()
local i = 0
local j = 0
local a = t
repeat
i = i + 1
--print( "BUTTON", i, tostring( a ) )
a = a.next
until a == t or i > 100
a = t
repeat
j = j + 1
--print( "BUTTON", i, tostring( a ) )
a = a.prev
until a == t or j > 100
print( i, j, "BUTTONS" )
end
function t.newButton( name, tooltip, icon, x, y, w, h, callback )
return setmetatable( {
name = name,
tooltip = tooltip,
icon = icon,
x = x,
y = y,
w = w,
h = h,
callback = callback },
t )
local k = 1
function t.new( b )
b = setmetatable( b or {}, t )
b.next = t
t.prev.next = b
b.prev = t.prev
t.prev = b
--nonsense
k = k + 1
print( "ADD BUTTON", k, tostring( b ) )
debugLoop()
return b
end
function t.draw( button )
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.printf( b.name,
b.x,
b.y + 0.5 * ( b.h- lg.getFont():getHeight() ),
b.w,
"center" )
if b.icon then
local h = b.icon:getHeight()
lg.draw( b.icon,
b.x, b.y,
0,
b.h / h )
end
if t.selected == b then
lg.rectangle( "fill", b.x, b.y, b.w, b.h, 6 )
end
end
return t.draw( b.next )
end
t.__index = t
t.__call = t.newButton
function t.select( b )
t.selected = b
end
function t.selectNext()
repeat t.selected = t.selected.next until (t.selected == t) or t.selected.visible
end
function t.selectPrev()
repeat t.selected = t.selected.prev until (t.selected == t) or t.selected.visible
end
function t.selectIn( x, y )
t.selected = t
repeat t.selected = t.selected.next until (t.selected == t) or (t.selected.visible and t.selected:contains( x, y ))
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
if not group then return t.selectNext() end
repeat t.selectNext() until group == t.selected.group
end
function t.selectPrevInGroup()
--make sure our group is visible, otherwise the loop doesn't end
local group = t.selected and t.selected.visible and t.selected.group
if not group then return t.selectPrev() end
repeat t.selectPrev() until group == t.selected.group
end
function t.displayGroup( group, show )
local b = t
repeat
b = b.next
b.visible = ( b.group == group )
until b == t
t.visible = true
end
function t.deselect( b )
t.selected = t
end
setmetatable( t, t )
t.__index = t
t.__call = t.new
return t

21
camera.lua
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@ -3,7 +3,7 @@ local tfTerritory = love.math.newTransform()
local tfNodes = love.math.newTransform()
local lg = assert( love.graphics )
local Camera = {
x = 0, y = 0,
x = -90, y = 45,
w = 360, h = 200,
zoom = 1, tf = tf,
tfTerritory = tfTerritory, tfNodes = tfNodes }
@ -20,12 +20,12 @@ function Camera.GetNodeCoordinate( x, y )
return tfNodes:inverseTransformPoint( x, y )
end
function Camera.Zoom( out )
local scale = out and 1.1 or 0.9
tf:scale( scale, scale )
local x = Camera.x
local y = Camera.y
return Camera.Set( x, y, Camera.w * scale, Camera.h * scale )
function Camera.Zoom( delta )
local scale = 1.0 + delta
if Camera.zoom < 25.0 and delta > 0 or --zooming in
Camera.zoom > 0.5 and delta < 0 then --zooming out
return Camera.Set( Camera.x , Camera.y, Camera.w * scale, Camera.h * scale )
end
end
function Camera.Translate( x, y )
@ -36,9 +36,8 @@ end
--In world coordinates: top left corner at x, y, extent of w, h.
function Camera.Set( x, y, w, h )
print( ("CAMERA: %3.2f %3.2f %3.2f %3.2f"):format(x, y, w, h) )
Camera.x, Camera.y, Camera.w, Camera.h = x, y, w, h
Camera.zoom = w / 360
Camera.zoom = w / 800
tf:reset()
tf:scale( w / 360, -h / 200 )
tf:translate( 180 - x, -y - 100 )
@ -48,8 +47,8 @@ function Camera.Set( x, y, w, h )
tfTerritory:translate( -x * 512 / 360, y * 512 / 360 )
tfNodes:reset()
tfNodes:scale( w / 360, h / 200 )
tfNodes:translate( 180 - x , y + 100 )
tfNodes:scale( w / 360, -h / 200 )
tfNodes:translate( 180 - x , -y - 100 )
--tfNodes:translate( -x * 800 / 360, y * 400 / 200 )
end

72
cities.lua
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@ -23,67 +23,87 @@ function t.unlockSelection()
end
function t.draw()
if cities.visible then lg.points( points ) end
return lg.points( points )
end
function t.drawSelected( r )
if not cities.visible then return end
function t.drawSelected( )
local c = t.selected
if not c then return end
lg.circle( "fill", c.x, c.y, r )
lg.circle( "line", c.x, c.y, 1.0 )
end
function t.drawCapitals()
if cities.visible then lg.points( caps ) end
end
function t.selectNearestCity(x, y)
if not t.selectionLocked then t.selected = cities:getClosestPoint(x, y) end
function t.selectNearest( cities, x, y )
return cities:getClosestPoint(x, y) --defer to locationQuery
end
local city = {}
local citymt = {__index = city}
function city:formatDisplayInfo()
return (
[[
NAME: %s
COUNTRY: %s
LONGITUDE: %3.2f
LATITUDE: %3.2f
POP: %d
CAPITAL: %s]]):format( self.name, self.country, self.x, self.y, self.pop, tostring(self.capital) )
end
function t.load( filename )
print( "=== LOADING CITIES. ===" )
cities = { visible = true, active = false }
cities = { visible = true, active = false, filename = filename }
local n = 1
local idxPts = 1
local idxCaps = 1
points = {}
caps = {}
for line in assert( lfs.lines( filename ), "Error: could not open cities.dat" ) do
local _, _, x, y, pop, capital = line:sub( 83 ):find( "(%g+)%s+(%g+)%s+(%g+)%s+(%g+)" )
x, y, pop, capital = tonumber( x ), tonumber( y ), tonumber( pop ), ( tonumber( capital ) > 0)
local city = {
name = line:sub( 1, 39 ):gsub("%s+$",""),
country = line:sub( 42, 82 ):gsub("%s+$",""),
x = x, y = y, pop = pop, capital = capital
}
cities[n] = city
n = n + 1
if capital then --check against empty or malformed line
x, y, pop, capital = tonumber( x ), tonumber( y ), tonumber( pop ), ( tonumber( capital ) > 0)
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
}, citymt )
cities[n] = city
n = n + 1
points[idxPts], points[idxPts + 1] = x, y
idxPts = idxPts + 2
points[idxPts], points[idxPts + 1] = x, y
idxPts = idxPts + 2
if capital then
caps[idxCaps], caps[idxCaps + 1] = x, y
idxCaps = idxCaps + 2
if capital then
caps[idxCaps], caps[idxCaps + 1] = x, y
idxCaps = idxCaps + 2
end
else
print( "CITIES: malformed line:", line )
end
end
--Multiple inheritance.
cities = locationQuery.New( cities )
setmetatable( getmetatable( cities ).__index, {__index = t } )
print( "LOADED", filename, n )
print( "=== CITIES LOADED:", filename, n, "===" )
return cities
end
function t.save( cities, filename )
function t.save( cities )
local str = {}
for n, city in ipairs( cities ) do
str[n] = ("%-40s%-40s%f %f %d %d"):format( city.name, city.country, city.x, city.y, city.pop, city.capital and 1 or 0 )
str[n] = ("%-41s%-41s%-14f%-14f%-19d %d"):format(
city.name, city.country, city.x, city.y, city.pop, city.capital and 1 or 0 )
end
assert( lfs.write( filename, table.concat( str, "\n" ) ) )
print( "Saved", filename )
return assert(table.concat( str, "\n" ))
end
return t

6
conf.lua
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@ -11,9 +11,9 @@ function love.conf(t)
t.audio.mixwithsystem = true -- Keep background music playing when opening LOVE (boolean, iOS and Android only)
t.window.title = "dcEarth" -- The window title (string)
t.window.icon = "favicon.png" -- Filepath to an image to use as the window's icon (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.height = 600 -- The window height (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)
t.window.minwidth = 512 -- Minimum window width if the window is resizable (number)
@ -44,7 +44,7 @@ function love.conf(t)
t.modules.sound = false -- Enable the sound module (boolean)
t.modules.system = true -- Enable the system module (boolean)
t.modules.thread = false -- Enable the thread module (boolean)
t.modules.timer = false -- Enable the timer module (boolean), Disabling it will result 0 delta time in love.update
t.modules.timer = true -- Enable the timer module (boolean), Disabling it will result 0 delta time in love.update
t.modules.touch = false -- Enable the touch module (boolean)
t.modules.video = false -- Enable the video module (boolean)
t.modules.window = true -- Enable the window module (boolean)

2
data/earth/cities.dat
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@ -1,4 +1,4 @@
Cambridge United Kingdom 6.166700 35.566700 106673 0
Cambridge United Kingdom 6.166700 35.566700 106673 0
Gloucester United Kingdom 6.666700 36.366699 108150 0
Hastings/Bexhill United Kingdom 5.400000 36.183300 112080 0
Slough United Kingdom 13.250000 -8.833300 106882 0

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78
lines.lua
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@ -3,48 +3,98 @@ local t = {}
local lfs = love.filesystem
local lg = love.graphics
local polygon = { x = 180, X = -180, y = 100, Y = -100 } --default empty bounding box
local polymt = { __index = polygon }
function polygon:formatDisplayInfo()
return ([[
x: %f
y: %f
X: %f
Y: %f
N: %d]]):format( self.x, self.y, self.X, self.Y, #self )
end
function t.load( filename )
local polys = { visible = true }
local polys = { visible = true, filename = filename }
local poly = {}
local n = 0
local n = 1
local k = 1
for line in assert( lfs.lines( filename ) ) do
if line == "b" then
if line:find "b" then
k = 1
n = n + 1
poly = {}
if #poly > 2 then n = n + 1 end
poly = setmetatable({}, polymt) --axis-aligned bounding box
polys[n] = poly
else
local _, _, x, y = line:find( "(%g+)%s+(%g+)" )
x, y = assert( tonumber( x ) ), assert( tonumber( y ) )
poly[k], poly[ k + 1 ] = x, y
k = k + 2
x, y = tonumber( x ), tonumber( y )
if x and y then
poly[k], poly[ k + 1 ] = x, y
k = k + 2
if x < poly.x then poly.x = x end
if x > poly.X then poly.X = x end
if y < poly.y then poly.y = y end
if y > poly.Y then poly.Y = y end
else
print( "LINES: malformed line:", filename, line )
end
end
end
if not polys[n] or (#(polys[n]) < 3) then
polys[n] = nil
n = n - 1
end
print( "LOADED", filename, n )
return setmetatable( polys, {__index = t } )
end
function t.save( lines, filename )
function t.selectNearest( lines, wx, wy )
local d = math.huge
local nearest
for i, poly in ipairs( lines ) do
if poly.x - 5 < wx and
poly.X + 5 > wx and
poly.y - 5 < wy and
poly.Y + 5 > wy then
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
nearest = poly
end
end
end
end
return nearest
end
function t.save( lines )
local str = {}
for i, poly in ipairs( lines ) do
str[i] = table.concat( poly, " " )
end
str = table.concat( str, "\nb\n" ):gsub("(%S+) (%S+) ", "%1 %2\n")
return str
end
function t.newPolygon( x, y )
end
function t.addToCurrentPolygon( x, y )
end
function t.deletePolygon( poly )
end
function t.drawPolygonEditHandles( poly )
end
function t.draw( lines )

35
locationQuery.lua
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@ -1,34 +1,43 @@
--Shitty acceleration structure: get closest point in set.
--Assumed to be in world coordinates: ( -180, 180 ) x ( -100, 100 )
local t = {}
local hashes = {}
local math = math
local hash = function( x, y, debug )
local s = "h"..("%2d%2d"):format(math.floor( 0.5 + (180 + x) / 10 ), math.floor( 0.5 + (100 + y) / 10 ) )
local s = "h"..("%2d%2d"):format(math.floor( 0.5 + (180 + x) / 20 ), math.floor( 0.5 + (100 + y) / 20 ) )
return s
end
function t.getHashes( points )
return assert( points.hashes )
end
function t.getClosestPoint( points, x, y )
local hashes = t.getHashes( points )
local closePoints = hashes[hash( x, y )]
if not closePoints then return end
if not closePoints then
return
end
local distance = math.huge
local px, py, point
for k, v in pairs(closePoints) do
px, py = v.x, v.y
local d = (x - px) * (x - px) + (y - py) * (y - py)
if d < distance then
distance = d
point = v
end
end
return point
end
function t.Edit( points, point, x, y )
local hashes = t.getHashes( points )
local h = hashes[hash( point.x, point.y )]
if h then
for i, p in pairs(h) do
@ -38,25 +47,33 @@ function t.Edit( points, point, x, y )
end
end
end
table.insert( hashes[ hash( x, y ) ], point )
point.x = x
point.y = y
end
function t.Add( points, x, y )
end
function t.New( points )
local hashes = {}
for i = 1, #points do
local x, y = points[i].x, points[i].y
local h = hash( x, y )
hashes[h] = hashes[h] or {}
hashes[h][#hashes[h] + 1] = points[i]
end
return setmetatable( points, {__index = t } )
points.hashes = hashes
do
local count = 0
for k, v in pairs(hashes) do count = count + 1 end
print( "LOCATION QUERY. Points:", count )
end
return setmetatable( points, {__index = t} )
end
return t

196
main.lua
View File

@ -1,115 +1,68 @@
local love = assert( love, "This tool requires LOVE: love2d.org" )
--assert( require('mobdebug') ).start() --remote debugger
local map = require 'map'
local button = require 'button'
local SAVEDIRECTORY = "out/"
require 'mainmenu'
local Camera = require 'camera'
local wasKeyPressed
function love.load()
love.filesystem.setIdentity( "dcearth", false )
love.keyboard.setKeyRepeat( true )
love.graphics.setNewFont( 14 )
end
local lfs = assert( love.filesystem )
lfs.setIdentity( "dcearth", false )
assert( lfs.createDirectory( SAVEDIRECTORY.."data/earth" ))
assert( lfs.createDirectory( SAVEDIRECTORY.."data/graphics" ))
map.load()
love.graphics.setNewFont( 12, "mono" )
function love.directorydropped( path )
if map.path then
assert( love.filesystem.unmount( map.path ) )
map.loaded = false
end
love.filesystem.mount( path, "" )
return map.load( path )
end
function love.update( dt )
local tx, ty = 0, 0
local moveCamera = false
if love.keyboard.isScancodeDown( "w" ) then moveCamera = true; ty = ty + 1 end
if love.keyboard.isScancodeDown( "a" ) then moveCamera = true; tx = tx - 1 end
if love.keyboard.isScancodeDown( "s" ) then moveCamera = true; ty = ty - 1 end
if love.keyboard.isScancodeDown( "d" ) then moveCamera = true; tx = tx + 1 end
if love.keyboard.isScancodeDown( "q" ) then Camera.Zoom( true ) end
if love.keyboard.isScancodeDown( "e" ) then Camera.Zoom( false ) end
if love.keyboard.isScancodeDown( "w" ) then moveCamera = true; ty = ty + 30 * dt end
if love.keyboard.isScancodeDown( "a" ) then moveCamera = true; tx = tx - 30 * dt end
if love.keyboard.isScancodeDown( "s" ) then moveCamera = true; ty = ty - 30 * dt end
if love.keyboard.isScancodeDown( "d" ) then moveCamera = true; tx = tx + 30 * dt end
if love.keyboard.isScancodeDown( "q" ) then Camera.Zoom( dt ) end
if love.keyboard.isScancodeDown( "e" ) then Camera.Zoom( -dt ) end
if moveCamera then Camera.Translate( tx, ty ) end
end
local toolButtons = {
"Brush",
"Move Nodes",
"Add Nodes",
"Edit Node",
"Draw Polygon",
"Erase Polygon"
}
local layerButtons = {
"Africa",
"Europe",
"North America",
"South America",
"Asia",
"Russia",
"Travel Nodes",
"AI Markers",
"Cities",
"Coastlines",
"Coastlines Low",
"Sailable"
}
function love.draw()
if not map.loaded then
local w, h = love.graphics.getDimensions()
return love.graphics.printf( "Drag and drop folder to begin.", w / 2 - 200, h / 2 - 128, 400, "center")
end
love.graphics.push( "all" )
map.draw()
love.graphics.pop()
--Layer buttons.
do
love.graphics.setColor( 1, 1, 1, 1 )
local h = love.graphics.getHeight() - 60
for x = 0, 300, 30 do
love.graphics.rectangle( "line", x, h, 30, 30 )
end
end
--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() - 30
love.graphics.setColor( 0.2, 0.1, 0.1, 0.5 )
love.graphics.rectangle( "fill", 0, h, love.graphics.getWidth() / 2, 30 )
local h = love.graphics.getHeight() - 60
love.graphics.setColor( 0.1, 0.1, 0.5, 0.8 )
love.graphics.rectangle( "fill", 0, 0, 250, love.graphics.getHeight() )
love.graphics.setColor( 1, 1, 1, 1 )
love.graphics.rectangle( "line", 0, h, love.graphics.getWidth() / 2, 30 )
love.graphics.print(("SCREEN\t%d\t%d\nWORLD \t%5.2f\t%5.2f"):format(x, y, wx, wy), 0, h)
love.graphics.print(("BITMAP\t%5.2f\t%5.2f"):format(bx, by), 200, h )
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)
--Edit box.
love.graphics.rectangle( "line", love.graphics.getWidth() / 2, h, love.graphics.getWidth() / 2, 30 )
if map.cities.selected then
local c = map.cities.selected
love.graphics.setColor( 0.2, 0.1, 0.1, 0.5 )
love.graphics.rectangle( "fill", 0, 0, 150 ,100 )
love.graphics.setColor( 1, 1, 1, 1 )
love.graphics.rectangle( "line", 0, 0, 150 ,100 )
love.graphics.setColor( 1.2, 1.1, 1.1, 1.5 )
love.graphics.print( ("NAME: %s\nX: %3.2f\nY: %3.2f\nPOP: %d\nCAPITAL: %s\nCOUNTRY: %s"):format(c.name, c.x, c.y, c.pop, tostring(c.capital), c.country), 0, 0 )
elseif map.travelnodes.selected then
local c = map.travelnodes.selected
love.graphics.setColor( 0.2, 0.1, 0.1, 0.5 )
love.graphics.rectangle( "fill", 0, 0, 150 ,100 )
love.graphics.setColor( 1, 1, 1, 1 )
love.graphics.rectangle( "line", 0, 0, 150 ,100 )
love.graphics.setColor( 1.2, 1.1, 1.1, 1.5 )
love.graphics.print( ("Node: %d\nX: %3.2f\nY: %3.2f\n"):format(c.number, c.x, c.y) )
elseif map.ainodes.selectedNode then
local c = map.ainodes.selected
love.graphics.setColor( 0.2, 0.1, 0.1, 0.5 )
love.graphics.rectangle( "fill", 0, 0, 150 ,100 )
love.graphics.setColor( 1, 1, 1, 1 )
love.graphics.rectangle( "line", 0, 0, 150 ,100 )
love.graphics.setColor( 1.2, 1.1, 1.1, 1.5 )
love.graphics.print( ("Node: %d\nX: %3.2f\nY: %3.2f\noffensive: %s"):format(c.number, c.x, c.y, c.attack) )
end
if map.selected then love.graphics.print( map.selected:formatDisplayInfo(), 0, 80 ) end
if map.selectionLocked then end
love.graphics.setColor( 1, 1, 1, 0.8 )
button:draw()
end
function love.resize(w, h)
@ -117,54 +70,47 @@ function love.resize(w, h)
end
function love.wheelmoved(x, y)
Camera.Zoom( (y > 0) and true or false )
Camera.Zoom( (y > 0) and 0.1 or -0.1 )
end
function love.mousepressed( x, y, button, istouch, presses )
function love.mousepressed( x, y, mouseButton, istouch, presses )
local wx, wy = Camera.GetWorldCoordinate( x, y )
if button == 1 then
map.cities.lockSelection()
else
map.cities.unlockSelection()
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) )
button.callback( button.selected )
return button.selected:callback()
end
print( ("MOUSE\tx %f\ty %f\twx %f\twy %f"):format(x, y, wx, wy) )
end
function love.mousemoved( x, y, dx, dy, istouch )
map.cities.selectNearestCity( Camera.GetWorldCoordinate( x, y ) )
end
if not map.loaded then return end
--mouse over menu
button.selectIn( x, y )
local function ToggleVisibility( layer )
if not layer then return end
local ml
if map[layer] then ml = map[layer] end
if map.territory[layer] then ml = map.territory[layer] end
assert( ml )
ml.visible = not( ml.visible )
print( layer, ml.visible )
end
local layerVisibilityKeybinds = {
["1"] = "africa",
["2"] = "europe",
["3"] = "northamerica",
["4"] = "southamerica",
["5"] = "southasia",
["6"] = "russia",
["7"] = "sailable",
["8"] = "coastlines",
["9"] = "coastlinesLow",
["0"] = "international",
["-"] = "cities"
}
function love.keypressed(key)
ToggleVisibility( layerVisibilityKeybinds[key] )
if key == "l" then
-- To open a file or folder, "file://" must be prepended to the path.
love.system.openURL("file://"..love.filesystem.getSaveDirectory())
--mouse on map
if map.selectionLocked then return end
if map.editLayer and map.editLayer.selectNearest then
map.selected = map.editLayer:selectNearest( Camera.GetWorldCoordinate( x, y ) )
end
wasKeyPressed = true
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 == "return" then return button.selected:callback() end
if key == "c" then
map.selectionLocked = not( map.selectionLocked )
end
end
do
end

143
mainmenu.lua Normal file
View File

@ -0,0 +1,143 @@
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
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 backButton
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

139
map.lua
View File

@ -2,15 +2,35 @@ local lg = love.graphics
local AI = require 'ai'
local Cities = require 'cities'
local Lines = require 'lines'
local Nodes = require 'nodes'
local Bitmap = require 'bmp'
local Nodes = require 'travelNodes'
local Camera = require 'camera'
local Territory = require 'territory'
local map = {
--flat list of editable layers for convenience
local layers = {
coastlines = false,
coastlinesLow = false,
international = false,
africa = false,
europe = false,
northamerica = false,
russia = false,
southamerica = false,
southasia = false,
travelnodes = false,
sailable = false,
ainodes = false,
cities = false,
}
local map = {
layers = layers,
path = false,
loaded = false,
selected = false,
selectionLocked = false,
editLayer = false,
territory = {
africa = false,
europe = false,
@ -19,13 +39,19 @@ local map = {
southamerica = false,
southasia = false
},
background = false,
coastlines = false,
coastlinesLow = false,
international = false,
travelnodes = false,
sailable = false,
aimarkers = false,
ainodes = false,
cities = false
}
function map.load()
function map.load( path )
map.background = lg.newImage( "data/graphics/blur.bmp" )
map.cities = Cities.load( "data/earth/cities.dat" )
map.coastlines = Lines.load( "data/earth/coastlines.dat" )
map.coastlinesLow = Lines.load( "data/earth/coastlines-low.dat" )
@ -36,16 +62,27 @@ function map.load()
for k, v in pairs(map.territory) do
map.territory[k] = Territory.load( "data/earth/"..k..".bmp", k )
end
map.loaded = true
map.path = path
--update references
for k, v in pairs( layers ) do
layers[k] = map[k] or map.territory[k]
end
end
function map.draw()
lg.clear( 0, 0, 0, 1 )
if not map.loaded then return end
do --territory
lg.setColor( 1,1,1,1)
lg.setLineJoin( "none" )
lg.replaceTransform( Camera.tfTerritory )
lg.setBlendMode( "add" )
lg.setColor( 1, 1, 1, 0.2 )
lg.draw( map.background )
lg.setColor( 1, 1, 1, 0.5 )
for k, v in pairs(map.territory) do
if v.visible then
v:draw()
@ -55,41 +92,56 @@ function map.draw()
v:drawBorder( "sea" )
end
end
if map.sailable.visible then map.sailable:draw() end
if map.sailable.visible then
map.sailable:draw()
lg.setLineJoin( "none" )
lg.setLineWidth( 1 / Camera.zoom )
lg.setColor( 1, 1, 1, 0.5)
map.sailable:drawBorder( "sailable" )
lg.setLineWidth( 3 / Camera.zoom )
map.sailable:drawBorder( "placeable" )
end
lg.setBlendMode( "alpha" )
lg.setColor( 1, 1, 1, 1 )
end
do --borders
lg.setLineJoin( "none" )
lg.setLineWidth( 1 / Camera.zoom )
lg.setColor( 1, 1, 1, 0.5)
map.sailable:drawBorder( "sailable" )
lg.setLineWidth( 3 / Camera.zoom )
map.sailable:drawBorder( "placeable" )
end
do --all this stuff is drawn in world coordinates, ( -180, 180 ) x ( -100, 100 )
lg.replaceTransform( Camera.tf )
do --points
if map.selected then
if map.selected[1] then --lines
local p = map.selected
lg.setColor( 0.4, 0.5, 0.8, 0.5 )
lg.setLineWidth( 0.2 / Camera.zoom )
lg.rectangle( "fill", p.x, p.y, p.X - p.x, p.Y - p.y )
lg.setColor( 1.0, 0, 0, 1 )
lg.line( p )
else --points
lg.setColor( 1.0, 0.5, 0.5, 0.9 )
lg.setLineJoin( "miter" )
lg.setLineWidth( 1.0 / Camera.zoom )
lg.circle( "line", map.selected.x, map.selected.y, 0.2 + 1.0 / Camera.zoom )
end
end
if map.cities.visible then --points
lg.setColor( 1, 0, 0, 0.5 )
lg.setPointSize( 0.5 * Camera.zoom )
lg.setPointSize( 5.0 )
map.cities.draw()
lg.setColor( 1, 1, 1.0, 0.5 )
lg.setPointSize( 1.0 * Camera.zoom )
lg.setColor( 1, 1, 0.0, 0.5 )
map.cities.drawCapitals()
lg.setColor( 1, 1, 1, 0.5 )
map.cities.drawSelected( 15.0 / Camera.zoom )
end
if map.ainodes.visible then
lg.setPointSize( 5.0 )
map.ainodes:draw()
end
@ -112,26 +164,31 @@ function map.draw()
lg.line( -180, 100, 180, 100 )
lg.line( -180, -100, 180, -100 )
end
do --travel nodes
lg.replaceTransform( Camera.tfNodes )
map.travelnodes:draw()
if map.travelnodes.visible then
map.travelnodes:draw()
end
end
end
end
local function write( filename, string )
print( "Pretending to write", string:len(), "bytes to", filename )
--[[ os.rename( filename, filename..".bak" ) --just in case :^)
local file = assert( io.open( filename, "w+" ) )
assert( file:write( string ) )
file:close()]]
end
function map.save()
map.cities.save()
map.coastlines.save()
map.coastlinesLow.save()
map.international.save()
map.sailable.save()
map.travelnodes.save()
map.ainodes.save()
for k, v in pairs(map.territory) do
map.territory[k].save()
for k, layer in pairs( layers ) do
print( "SAVING:", k, tostring( layer.filename ) )
write( map.path..tostring( layer.filename ), assert( layer:save() ) )
end
end
@ -139,4 +196,8 @@ function map.hover(x, y)
end
function map.undo()
print( "=== UNDO ===" )
end
return map

52
modal.lua Normal file
View File

@ -0,0 +1,52 @@
local love = assert( love )
local button = require( "button" )
local t = {}
t.__index = t
local i = 0
function t.start( self )
i = i + 1
t[i] = t[i] or {}
--store callbacks
for name in pairs( self ) do
if love[name] then
t[i][name] = love[name]
love[name] = self[name]
end
end
--store menus
local b = button.next
repeat
t[i][b] = b.visible
b = b.next
until b == button
end
function t.stop( self )
--restore callbacks
for name in pairs( self ) do
if love[name] then
love[name] = t[i][name]
end
end
--restore menus
local b = button
button.selected = button
repeat
b = b.next
b.visible = t[i][b]
until b == button
t[i] = nil
i = i - 1
end
function t.new( modal )
return setmetatable( modal or {}, t )
end
return t

1
readme.txt Normal file
View File

@ -0,0 +1 @@
Map editor for DEFCON, the strategy game, written in LOVE2D, the engine.

58
savemodal.lua Normal file
View File

@ -0,0 +1,58 @@
local love = assert( love )
local modal = require( "modal" )
local button = require( "button" )
local map = require( "map" )
local t = {}
local saveLocation = map.path
local floppy = love.graphics.newImage( "icons/save.png" )
floppy:setFilter( "nearest", "nearest" )
local saveButton = button.new{
group = "saveModal",
name = "save",
callback = function() map.save(); return t:stop() end,
visible = false,
icon = floppy,
x = love.graphics.getWidth() / 2 - 200,
y = love.graphics.getHeight() / 2 - 150,
w = 400,
h = 100,
}
local xIcon = love.graphics.newImage( "icons/x.png" )
xIcon:setFilter( "nearest", "nearest" )
local cancelButton = button.new{
group = "saveModal",
name = "cancel",
visible = false,
icon = xIcon,
callback = function() return t:stop() end,
x = love.graphics.getWidth() / 2 - 200,
y = love.graphics.getHeight() / 2,
w = 400,
h = 100
}
function t.start()
modal.start( t )
button.selected = saveButton
saveButton.name = "save to "..map.path
button.displayGroup( "saveModal", true )
end
function t.draw()
love.graphics.clear( 0,0,0,1 )
love.graphics.setColor( 1, 0, 0, 0.4 )
button:draw()
end
function t.directorydropped( path )
saveLocation = path
map.path = path
saveButton.name = "save to "..map.path
return love.filesystem.mount( path, "" )
end
return modal.new( t )

2
scratch.lua
View File

@ -1,2 +0,0 @@
local jit = require 'jit'
for k, v in pairs( jit.opt ) do print(k , v ) end

14
territory.lua
View File

@ -18,6 +18,7 @@ function t.load( filename, name )
local territory = {
visible = true,
name = name,
filename = filename,
colour = colours[name],
border = {},
img = img,
@ -109,8 +110,9 @@ function t.computeBorder( territory, threshold, key )
local border = territory[key]
local n = 1
for x = 0, 511 do
for y = 0, 284 do
local w, h = territory.imgd:getWidth() - 1, territory.imgd:getHeight() - 1
for x = 0, w do
for y = 0, h do
--Bottom left, bottom right, and top right of pixel in image coordinates:
local blx, bly = x, y + 1
local brx, bry = x + 1, y + 1
@ -143,12 +145,8 @@ function t.computeBorder( territory, threshold, key )
end
end
function t.drawConnections( nodes )
end
function t.save( nodes, filename )
function t.save( territory )
return bmp.save( territory.imgd, "512rgb24" )
end
return t

64
textinput.lua Normal file
View File

@ -0,0 +1,64 @@
local love = assert( love )
local utf8 = require("utf8")
local modal = require( "modal" )
local t = modal.new{ }
function t.setCurrentModal( fields )
t.currentModal = assert( fields )
t.currentIdx = 1
return t:start()
end
function t.draw()
if not t.currentModal then return end
love.graphics.setColor( 0, 0, 0, 0.3 )
love.graphics.rectangle("fill", 0, 0, love.graphics.getDimensions())
-- other fields
for i, field in ipairs( t.currentModal ) do
love.graphics.setColor( 1, 1, 1, 0.2 )
local mode = (i == t.currentIdx) and "fill" or "line"
love.graphics.rectangle( mode, 200, i * 28, 200, 14, 4 )
love.graphics.setColor( 1, 1, 1, 1 )
love.graphics.print( field.name, 8, i * 28 )
love.graphics.print( field.value, 216, i * 28 )
end
end
function t.textinput( char )
if t.currentModal then
local field = t.currentModal.currentFieldIdx
t.currentModal.currentField.value = t.currentModal.currentField.value .. char
end
end
function t.keypressed(key, code, isRepeat)
if code == "down" then
t.currentIdx = t.currentIdx + 1
if t.currentIdx > #(t.currentModal) then
t.currentIdx = 1
end
elseif code == "up" then
t.currentIdx = t.currentIdx - 1
if t.currentIdx < 1 then
t.currentIdx = #(t.currentModal)
end
end
if key == "backspace" then
-- 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).
text = string.sub(text, 1, byteoffset - 1)
end
end
if key == "escape" then
return t:stop()
end
end
return t

86
nodes.lua → travelNodes.lua
View File

@ -1,101 +1,113 @@
--Manage the pathfinding nodes used by DEFCON.
--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 t = {}
local bmp = require 'bmp'
local locationQuery = require 'locationQuery'
local lg = assert( love.graphics )
local t = setmetatable({}, {__index = locationQuery})
local isSailable
local function isConnected( startNode, endNode )
local ix, iy, fx, fy = startNode.x, startNode.y, endNode.x, endNode.y
if fx < -180 then fx = fx + 180 end
if fx > 180 then fx = fx - 180 end
local dx, dy = fx - ix, fy - iy
local mag = math.sqrt( dx * dx + dy * dy )
local n = 2 * math.floor( mag )
dx, dy = 0.5 * dx / mag, 0.5 * dy / mag
for i = 1, n do
ix, iy = ix + dx, iy + dy
if not( isSailable( ix, iy ) ) then return nil end
if not( isSailable( ix, -iy ) ) then return nil end
end
return true
end
function t.getClosest( nodes, x, y )
local d = math.huge
local closestNode
for _, node in pairs( nodes.nodes ) do
local nx, ny = node.x, node.y
local nd = (nx - x) * (nx - x) + (ny - y) * (ny - y)
if nd < d then d = nd; closestNode = node end
end
return closestNode
function t.selectNearest( nodes, x, y )
return (nodes.nodes):getClosestPoint( x, y )
end
local travelNode = {}
local mtTravelNode = { __index = travelNode }
function travelNode:formatDisplayInfo()
return ([[ TRAVEL NODE: %d
LONGITUDE: %3.2f
LATITUDE: %3.2f]]):format( self.idx, self.x, self.y )
end
local function worldToBitmap( x, y )
end
local function bitmapToWorld( x, y )
return 360 * ( x - 800 ) / 800 - 360 / 2 + 360,
360 * ( 600 / 800 ) * ( y - 600 ) / 600 + 180
end
function t.load( filename, sailable )
isSailable = sailable
local img, imgd = bmp.load( filename )
local nodes = { visible = true, nodes = {}, points = {}, connections = {}, img = img }
print( "=== Loading Nodes: ===" )
local nodes = { filename = filename, visible = true, nodes = {}, points = {}, connections = {}, img = img }
local n = 1
for x = 0, 799 do
for y = 0, 399 do
if imgd:getPixel( x, 399 - y ) > 0 then
local long = 360 * ( x - 800 ) / 800 - 360 / 2 + 360
local lat = 360 * ( 600 / 800 ) * ( 600 - y ) / 600 - 180
nodes.nodes[n] = {x = long, y = lat}
local long, lat = bitmapToWorld( x, y )
nodes.nodes[n] = setmetatable({x = long, y = lat, idx = n}, mtTravelNode )
nodes.points[ 2 * n - 1 ] = long
nodes.points[ 2 * n ] = lat
print( n, long, lat )
n = n + 1
end
end
end
for i, srcNode in ipairs( nodes.nodes ) do
local adjacent = {}
for j, destNode in ipairs( nodes.nodes ) do
adjacent[j] = isConnected( srcNode, destNode )
end
nodes.connections[i] = adjacent
end
print( "=== Nodes Loaded ===" )
return setmetatable( nodes, {__index = t } )
nodes.nodes = locationQuery.New( nodes.nodes )
setmetatable( nodes, {__index = t} )
return nodes
end
--Determine if graph has more than one connected component.
function t.isConnected( nodes )
end
function t.draw( nodes )
lg.setPointSize( 10 )
lg.setPointSize( 8 )
lg.setColor( 1, 1, 1, 0.5 )
lg.points( nodes.points )
return t.drawConnections( nodes )
end
function t.drawConnections( nodes )
for i, connection in pairs( nodes.connections ) do
for j in pairs( connection ) do
local ix, iy, fx, fy = nodes.nodes[i].x, nodes.nodes[i].y, nodes.nodes[j].x, nodes.nodes[j].y
lg.line( ix, iy, fx, fy )
end
end
end
function t.drawConnections( nodes )
end
function t.save( nodes, filename )
function t.save( nodes )
return bmp.savePoints( nodes.nodes, "800r4")
end
return t