82 lines
1.8 KiB
Lua
82 lines
1.8 KiB
Lua
local t = {}
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local bmp = require 'bmp'
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local lg = assert( love.graphics )
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local colours = {
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africa = {1,0,0,0.5},
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europe = {0,1,0,0.5},
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northamerica = {0,0,1,0.5},
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russia = {0,1,1,0.5},
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southamerica = {1,0,1,0.5},
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southasia = {1,1,0,0.5},
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sailable = {1, 1, 1, 0.2},
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}
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function t.load( filename, name )
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local img, imgd = assert( bmp.load( filename ) )
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local territory = {
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visible = true,
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name = name,
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colour = colours[name],
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img = img,
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imgd = imgd
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}
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if name == "sailable" then t.sailable = territory end
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return setmetatable( territory, {__index = t } )
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end
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--World space coordinate.
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function t.isValid( x, y )
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end
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function t.getPixel( territory, x, y )
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--ZERO INDEXED
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local imgx, imgy = math.floor( 512 * ( x + 180 ) / 360 ), math.floor( 285 * ( y + 100 ) / 200 )
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--print( territory.name, imgx, imgy )
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return territory.imgd:getPixel( imgx, imgy )
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end
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function t.toggleVisibility( territory )
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end
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--[[
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0
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20 -- once sailable.bmp is brighter than this, the area is traversable by ships
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60 -- once sailable.bmp and territory.bmp are brighter than this, ships can be placed here
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130 -- if territory.bmp is brighter than this and sailable is darker than 60, structures are placeable.
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SO:
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SAILABLE: 0 (not), 21 (traverse not place), 61 ( traverse and place )
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TERRITORY: 131 ( place land if sailable <= 60 ), 61 ( place sea ), 0
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]]
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function t.isSailable( x, y )
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local water = assert( t.sailable )
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if water:getPixel( x, y ) > 20 / 255 then return true end
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return false
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end
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function t.canPlaceShip( territory, x, y )
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end
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function t.canPlaceLand( territory, x, y )
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end
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function t.draw( territory )
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lg.setColor( territory.colour )
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lg.draw( territory.img )
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end
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function t.drawConnections( nodes )
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end
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function t.save( nodes, filename )
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end
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return t |