mirror of
https://github.com/SquidDev-CC/CC-Tweaked
synced 2024-07-01 01:23:30 +00:00
Merge pull request #1 from BombBloke/patch-1
Better update paintutils.lua
This commit is contained in:
Wojbie
GitHub
commit
157bc01be5
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@ -1,17 +1,9 @@
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local function drawPixelInternal( xPos, yPos )
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term.setCursorPos( xPos, yPos )
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term.write(" ")
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end
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local function drawLineHorizontal( xPos, yPos , nLen )
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term.setCursorPos( xPos, yPos )
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term.write(string.rep( " ", nLen ))
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end
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local setPos, write, setCol, blit = term.setCursorPos, term.write, term.setBackgroundColour, term.blit
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local tColourLookup = {}
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for n=1,16 do
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tColourLookup[ string.byte( "0123456789abcdef",n,n ) ] = 2^(n-1)
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tColourLookup[ string.sub( "0123456789abcdef",n,n ) ] = 2^(n-1)
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tColourLookup[ 2^(n-1) ] = string.sub( "0123456789abcdef",n,n )
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end
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function loadImage( sPath )
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@ -21,37 +13,53 @@ function loadImage( sPath )
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local tImage = {}
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if fs.exists( sPath ) then
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local file = io.open(sPath, "r" )
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local sLine = file:read()
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while sLine do
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for sLine in io.lines(sPath) do
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local tLine = {}
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for x=1,sLine:len() do
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tLine[x] = tColourLookup[ string.byte(sLine,x,x) ] or 0
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for x=1,#sLine do
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tLine[x] = tColourLookup[ string.sub(sLine,x,x) ] or 0
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end
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table.insert( tImage, tLine )
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sLine = file:read()
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end
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file:close()
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return tImage
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end
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return nil
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end
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function saveImage( tImage, sPath )
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if type( tImage ) ~= "table" then
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error( "Expected paintutils image", 2 )
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elseif type( sPath ) ~= "string" then
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error( "Expected path", 2 )
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end
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local file = fs.open(sPath, "w" )
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for y=1,#tImage do
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local tOld, tNew = tImage[y], {}
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for x=1,#tOld do
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tNew[x] = tColourLookup[ tOld[x] ] or " "
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end
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file.writeLine( table.concat( tNew ) )
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end
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file.close()
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end
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function drawPixel( xPos, yPos, nColour )
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if type( xPos ) ~= "number" or type( yPos ) ~= "number" or (nColour ~= nil and type( nColour ) ~= "number") then
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error( "Expected x, y, colour", 2 )
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error( "Expected x, y [, colour]", 2 )
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end
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if nColour then
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term.setBackgroundColor( nColour )
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setCol( nColour )
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end
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drawPixelInternal( xPos, yPos )
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setPos( xPos, yPos )
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write( " " )
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end
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function drawLine( startX, startY, endX, endY, nColour )
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if type( startX ) ~= "number" or type( startX ) ~= "number" or
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type( endX ) ~= "number" or type( endY ) ~= "number" or
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(nColour ~= nil and type( nColour ) ~= "number") then
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error( "Expected startX, startY, endX, endY, colour", 2 )
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error( "Expected startX, startY, endX, endY [, colour]", 2 )
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end
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startX = math.floor(startX)
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@ -60,14 +68,15 @@ function drawLine( startX, startY, endX, endY, nColour )
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endY = math.floor(endY)
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if nColour then
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term.setBackgroundColor( nColour )
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setCol( nColour )
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end
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if startX == endX and startY == endY then
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drawPixelInternal( startX, startY )
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setPos( startX, startY )
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write(" ")
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return
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end
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local minX = math.min( startX, endX )
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local minX, minY, maxX, maxY = math.min( startX, endX )
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if minX == startX then
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minY = startY
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maxX = endX
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@ -84,7 +93,9 @@ function drawLine( startX, startY, endX, endY, nColour )
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local yDiff = maxY - minY
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if minY == maxY then
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drawLineHorizontal( minX, minY , xDiff + 1 )
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local sStr = string.rep( " ", xDiff + 1 )
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setPos( minX, minY )
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write( sStr )
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return
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end
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@ -92,22 +103,17 @@ function drawLine( startX, startY, endX, endY, nColour )
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local y = minY
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local dy = yDiff / xDiff
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for x=minX,maxX do
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drawPixelInternal( x, math.floor( y + 0.5 ) )
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setPos( x, math.floor( y + 0.5 ) )
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write( " " )
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y = y + dy
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end
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else
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local x = minX
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local dx = xDiff / yDiff
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if maxY >= minY then
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for y=minY,maxY do
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drawPixelInternal( math.floor( x + 0.5 ), y )
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x = x + dx
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end
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else
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for y=minY,maxY,-1 do
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drawPixelInternal( math.floor( x + 0.5 ), y )
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x = x - dx
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end
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local x, mul = minX, maxY >= minY and 1 or -1
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local dx = xDiff / yDiff * mul
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for y=minY,maxY,mul do
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setPos( math.floor( x + 0.5 ), y )
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write( " " )
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x = x + dx
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end
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end
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end
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@ -116,7 +122,7 @@ function drawBox( startX, startY, endX, endY, nColour )
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if type( startX ) ~= "number" or type( startX ) ~= "number" or
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type( endX ) ~= "number" or type( endY ) ~= "number" or
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(nColour ~= nil and type( nColour ) ~= "number") then
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error( "Expected startX, startY, endX, endY, colour", 2 )
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error( "Expected startX, startY, endX, endY [, colour]", 2 )
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end
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startX = math.floor(startX)
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@ -125,32 +131,29 @@ function drawBox( startX, startY, endX, endY, nColour )
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endY = math.floor(endY)
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if nColour then
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term.setBackgroundColor( nColour )
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setCol( nColour )
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end
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if startX == endX and startY == endY then
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drawPixelInternal( startX, startY )
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setPos( startX, startY )
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write( " " )
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return
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end
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local minX, minY, maxX, maxY
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if startX < endX then minX, maxX = startX, endX else minX, maxX = endX, startX end
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if startY < endY then minY, maxY = startY, endY else minY, maxY = endY, startY end
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local minX = math.min( startX, endX )
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if minX == startX then
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minY = startY
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maxX = endX
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maxY = endY
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else
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minY = endY
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maxX = startX
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maxY = startY
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end
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drawLineHorizontal( minX, minY , maxX - minX + 1 )
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drawLineHorizontal( minX, maxY , maxX - minX + 1 )
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if (maxY - minY) >= 2 then
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for y=(minY+1),(maxY-1) do
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drawPixelInternal( minX, y )
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drawPixelInternal( maxX, y )
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end
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local sStr = string.rep( " ", maxX - minX + 1 )
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setPos( minX, minY )
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write( sStr )
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setPos( minX, maxY )
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write( sStr )
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for y=(minY+1),(maxY-1) do
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setPos( minX, y )
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write( " " )
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setPos( maxX, y )
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write( " " )
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end
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end
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@ -158,7 +161,7 @@ function drawFilledBox( startX, startY, endX, endY, nColour )
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if type( startX ) ~= "number" or type( startX ) ~= "number" or
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type( endX ) ~= "number" or type( endY ) ~= "number" or
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(nColour ~= nil and type( nColour ) ~= "number") then
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error( "Expected startX, startY, endX, endY, colour", 2 )
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error( "Expected startX, startY, endX, endY [, colour]", 2 )
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end
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startX = math.floor(startX)
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@ -167,26 +170,22 @@ function drawFilledBox( startX, startY, endX, endY, nColour )
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endY = math.floor(endY)
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if nColour then
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term.setBackgroundColor( nColour )
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setCol( nColour )
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end
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if startX == endX and startY == endY then
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drawPixelInternal( startX, startY )
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setPos( startX, startY )
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write( " " )
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return
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end
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local minX = math.min( startX, endX )
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if minX == startX then
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minY = startY
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maxX = endX
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maxY = endY
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else
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minY = endY
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maxX = startX
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maxY = startY
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end
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local minX, minY, maxX, maxY
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if startX < endX then minX, maxX = startX, endX else minX, maxX = endX, startX end
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if startY < endY then minY, maxY = startY, endY else minY, maxY = endY, startY end
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local sStr = string.rep( " ", maxX - minX + 1 )
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for y=minY,maxY do
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drawLineHorizontal( minX, y , maxX - minX + 1 )
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setPos( minX, y )
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write( sStr )
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end
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end
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@ -195,11 +194,17 @@ function drawImage( tImage, xPos, yPos )
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error( "Expected image, x, y", 2 )
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end
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for y=1,#tImage do
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local tLine = tImage[y]
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for x=1,#tLine do
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if tLine[x] > 0 then
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term.setBackgroundColor( tLine[x] )
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drawPixelInternal( x + xPos - 1, y + yPos - 1 )
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local tLine, sBG, counter = tImage[y], {}, 0
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for x=1,#tLine+1 do
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local px = tLine[x] or 0
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if px > 0 then
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counter = counter + 1
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sBG[counter] = tColourLookup[ px ]
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elseif counter > 0 then
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setPos( x + xPos - 1 - counter, y + yPos - 1 )
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local sT = string.rep( " ", counter )
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blit( sT, sT, table.concat( sBG ) )
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sBG, counter = {}, 0
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end
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end
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end
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