mirror of
https://github.com/luau-lang/luau.git
synced 2024-11-15 14:25:44 +08:00
a6b5051edc
* https://github.com/Roblox/luau/pull/719 * Improved `Failed to unify type packs` error message to be reported as `Type pack 'X' could not be converted into 'Y'` * https://github.com/Roblox/luau/pull/722 * 1% reduction in executed instruction count by removing a check in fast call dispatch * Additional fixes to reported error location of OOM errors in VM * Improve `math.sqrt`, `math.floor` and `math.ceil` performance on additional compilers and platforms (1-2% geomean improvement including 8-9% on math-cordic) * All thrown exceptions by Luau analysis are derived from `Luau::InternalCompilerError` * When a call site has fewer arguments than required, error now reports the location of the function name instead of the argument to the function * https://github.com/Roblox/luau/pull/724 * Fixed https://github.com/Roblox/luau/issues/725 Co-authored-by: Arseny Kapoulkine <arseny.kapoulkine@gmail.com> Co-authored-by: Andy Friesen <afriesen@roblox.com>
457 lines
21 KiB
Lua
457 lines
21 KiB
Lua
local bench = script and require(script.Parent.bench_support) or require("bench_support")
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-- Based on voxel terrain generator by Stickmasterluke
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local kSelectedBiomes = {
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['Mountains'] = true,
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['Canyons'] = true,
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['Dunes'] = true,
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['Arctic'] = true,
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['Lavaflow'] = true,
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['Hills'] = true,
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['Plains'] = true,
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['Marsh'] = true,
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['Water'] = true,
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}
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---------Directly used in Generation---------
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local masterSeed = 618033988
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local mapWidth = 32
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local mapHeight = 32
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local biomeSize = 16
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local generateCaves = true
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local waterLevel = .48
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local surfaceThickness = .018
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local biomes = {}
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---------------------------------------------
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local rock = "Rock"
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local snow = "Snow"
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local ice = "Glacier"
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local grass = "Grass"
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local ground = "Ground"
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local mud = "Mud"
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local slate = "Slate"
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local concrete = "Concrete"
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local lava = "CrackedLava"
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local basalt = "Basalt"
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local air = "Air"
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local sand = "Sand"
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local sandstone = "Sandstone"
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local water = "Water"
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math.randomseed(6180339)
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local theseed={}
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for i=1,999 do
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table.insert(theseed,math.random())
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end
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local function getPerlin(x,y,z,seed,scale,raw)
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local seed = seed or 0
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local scale = scale or 1
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if not raw then
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return math.noise(x/scale+(seed*17)+masterSeed,y/scale-masterSeed,z/scale-seed*seed)*.5 + .5 -- accounts for bleeding from interpolated line
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else
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return math.noise(x/scale+(seed*17)+masterSeed,y/scale-masterSeed,z/scale-seed*seed)
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end
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end
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local function getNoise(x,y,z,seed1)
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local x = x or 0
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local y = y or 0
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local z = z or 0
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local seed1 = seed1 or 7
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local wtf=x+y+z+seed1+masterSeed + (masterSeed-x)*(seed1+z) + (seed1-y)*(masterSeed+z) -- + x*(y+z) + z*(masterSeed+seed1) + seed1*(x+y) --x+y+z+seed1+masterSeed + x*y*masterSeed-y*z+(z+masterSeed)*x --((x+y)*(y-seed1)*seed1)-(x+z)*seed2+x*11+z*23-y*17
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return theseed[(math.floor(wtf%(#theseed)))+1]
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end
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local function thresholdFilter(value, bottom, size)
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if value <= bottom then
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return 0
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elseif value >= bottom+size then
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return 1
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else
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return (value-bottom)/size
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end
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end
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local function ridgedFilter(value) --absolute and flip for ridges. and normalize
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return value<.5 and value*2 or 2-value*2
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end
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local function ridgedFlippedFilter(value) --unflipped
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return value < .5 and 1-value*2 or value*2-1
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end
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local function advancedRidgedFilter(value, cutoff)
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local cutoff = cutoff or .5
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value = value - cutoff
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return 1 - (value < 0 and -value or value) * 1/(1-cutoff)
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end
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local function fractalize(operation,x,y,z, operationCount, scale, offset, gain)
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local operationCount = operationCount or 3
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local scale = scale or .5
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local offset = 0
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local gain = gain or 1
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local totalValue = 0
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local totalScale = 0
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for i=1, operationCount do
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local thisScale = scale^(i-1)
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totalScale = totalScale + thisScale
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totalValue = totalValue + (offset + gain * operation(x,y,z,i))*thisScale
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end
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return totalValue/totalScale
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end
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local function mountainsOperation(x,y,z,i)
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return ridgedFilter(getPerlin(x,y,z,100+i,(1/i)*160))
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end
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local canyonBandingMaterial = {rock,mud,sand,sand,sandstone,sandstone,sandstone,sandstone,sandstone,sandstone,}
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local function findBiomeInfo(choiceBiome,x,y,z,verticalGradientTurbulence)
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local choiceBiomeValue = .5
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local choiceBiomeSurface = grass
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local choiceBiomeFill = rock
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if choiceBiome == 'City' then
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choiceBiomeValue = .55
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choiceBiomeSurface = concrete
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choiceBiomeFill = slate
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elseif choiceBiome == 'Water' then
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choiceBiomeValue = .36+getPerlin(x,y,z,2,50)*.08
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choiceBiomeSurface =
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(1-verticalGradientTurbulence < .44 and slate)
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or sand
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elseif choiceBiome == 'Marsh' then
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local preLedge = getPerlin(x+getPerlin(x,0,z,5,7,true)*10+getPerlin(x,0,z,6,30,true)*50,0,z+getPerlin(x,0,z,9,7,true)*10+getPerlin(x,0,z,10,30,true)*50,2,70) --could use some turbulence
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local grassyLedge = thresholdFilter(preLedge,.65,0)
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local largeGradient = getPerlin(x,y,z,4,100)
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local smallGradient = getPerlin(x,y,z,3,20)
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local smallGradientThreshold = thresholdFilter(smallGradient,.5,0)
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choiceBiomeValue = waterLevel-.04
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+preLedge*grassyLedge*.025
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+largeGradient*.035
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+smallGradient*.025
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choiceBiomeSurface =
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(grassyLedge >= 1 and grass)
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or (1-verticalGradientTurbulence < waterLevel-.01 and mud)
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or (1-verticalGradientTurbulence < waterLevel+.01 and ground)
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or grass
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choiceBiomeFill = slate
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elseif choiceBiome == 'Plains' then
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local rivulet = ridgedFlippedFilter(getPerlin(x+getPerlin(x,y,z,17,40)*25,0,z+getPerlin(x,y,z,19,40)*25,2,200))
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local rivuletThreshold = thresholdFilter(rivulet,.01,0)
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local rockMap = thresholdFilter(ridgedFlippedFilter(getPerlin(x,0,z,101,7)),.3,.7) --rocks
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* thresholdFilter(getPerlin(x,0,z,102,50),.6,.05) --zoning
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choiceBiomeValue = .5 --.51
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+getPerlin(x,y,z,2,100)*.02 --.05
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+rivulet*.05 --.02
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+rockMap*.05 --.03
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+rivuletThreshold*.005
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local verticalGradient = 1-((y-1)/(mapHeight-1))
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local surfaceGradient = verticalGradient*.5 + choiceBiomeValue*.5
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local thinSurface = surfaceGradient > .5-surfaceThickness*.4 and surfaceGradient < .5+surfaceThickness*.4
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choiceBiomeSurface =
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(rockMap>0 and rock)
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or (not thinSurface and mud)
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or (thinSurface and rivuletThreshold <=0 and water)
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or (1-verticalGradientTurbulence < waterLevel-.01 and sand)
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or grass
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choiceBiomeFill =
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(rockMap>0 and rock)
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or sandstone
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elseif choiceBiome == 'Canyons' then
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local canyonNoise = ridgedFlippedFilter(getPerlin(x,0,z,2,200))
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local canyonNoiseTurbed = ridgedFlippedFilter(getPerlin(x+getPerlin(x,0,z,5,20,true)*20,0,z+getPerlin(x,0,z,9,20,true)*20,2,200))
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local sandbank = thresholdFilter(canyonNoiseTurbed,0,.05)
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local canyonTop = thresholdFilter(canyonNoiseTurbed,.125,0)
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local mesaSlope = thresholdFilter(canyonNoise,.33,.12)
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local mesaTop = thresholdFilter(canyonNoiseTurbed,.49,0)
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choiceBiomeValue = .42
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+getPerlin(x,y,z,2,70)*.05
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+canyonNoise*.05
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+sandbank*.04 --canyon bottom slope
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+thresholdFilter(canyonNoiseTurbed,.05,0)*.08 --canyon cliff
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+thresholdFilter(canyonNoiseTurbed,.05,.075)*.04 --canyon cliff top slope
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+canyonTop*.01 --canyon cliff top ledge
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+thresholdFilter(canyonNoiseTurbed,.0575,.2725)*.01 --plane slope
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+mesaSlope*.06 --mesa slope
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+thresholdFilter(canyonNoiseTurbed,.45,0)*.14 --mesa cliff
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+thresholdFilter(canyonNoiseTurbed,.45,.04)*.025 --mesa cap
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+mesaTop*.02 --mesa top ledge
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choiceBiomeSurface =
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(1-verticalGradientTurbulence < waterLevel+.015 and sand) --this for biome blending in to lakes
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or (sandbank>0 and sandbank<1 and sand) --this for canyonbase sandbanks
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--or (canyonTop>0 and canyonTop<=1 and mesaSlope<=0 and grass) --this for grassy canyon tops
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--or (mesaTop>0 and mesaTop<=1 and grass) --this for grassy mesa tops
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or sandstone
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choiceBiomeFill = canyonBandingMaterial[math.ceil((1-getNoise(1,y,2))*10)]
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elseif choiceBiome == 'Hills' then
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local rivulet = ridgedFlippedFilter(getPerlin(x+getPerlin(x,y,z,17,20)*20,0,z+getPerlin(x,y,z,19,20)*20,2,200))^(1/2)
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local largeHills = getPerlin(x,y,z,3,60)
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choiceBiomeValue = .48
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+largeHills*.05
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+(.05
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+largeHills*.1
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+getPerlin(x,y,z,4,25)*.125)
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*rivulet
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local surfaceMaterialGradient = (1-verticalGradientTurbulence)*.9 + rivulet*.1
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choiceBiomeSurface =
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(surfaceMaterialGradient < waterLevel-.015 and mud)
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or (surfaceMaterialGradient < waterLevel and ground)
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or grass
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choiceBiomeFill = slate
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elseif choiceBiome == 'Dunes' then
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local duneTurbulence = getPerlin(x,0,z,227,20)*24
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local layer1 = ridgedFilter(getPerlin(x,0,z,201,40))
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local layer2 = ridgedFilter(getPerlin(x/10+duneTurbulence,0,z+duneTurbulence,200,48))
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choiceBiomeValue = .4+.1*(layer1 + layer2)
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choiceBiomeSurface = sand
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choiceBiomeFill = sandstone
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elseif choiceBiome == 'Mountains' then
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local rivulet = ridgedFlippedFilter(getPerlin(x+getPerlin(x,y,z,17,20)*20,0,z+getPerlin(x,y,z,19,20)*20,2,200))
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choiceBiomeValue = -.4 --.3
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+fractalize(mountainsOperation,x,y/20,z, 8, .65)*1.2
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+rivulet*.2
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choiceBiomeSurface =
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(verticalGradientTurbulence < .275 and snow)
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or (verticalGradientTurbulence < .35 and rock)
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or (verticalGradientTurbulence < .4 and ground)
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or (1-verticalGradientTurbulence < waterLevel and rock)
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or (1-verticalGradientTurbulence < waterLevel+.01 and mud)
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or (1-verticalGradientTurbulence < waterLevel+.015 and ground)
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or grass
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elseif choiceBiome == 'Lavaflow' then
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local crackX = x+getPerlin(x,y*.25,z,21,8,true)*5
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local crackY = y+getPerlin(x,y*.25,z,22,8,true)*5
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local crackZ = z+getPerlin(x,y*.25,z,23,8,true)*5
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local crack1 = ridgedFilter(getPerlin(crackX+getPerlin(x,y,z,22,30,true)*30,crackY,crackZ+getPerlin(x,y,z,24,30,true)*30,2,120))
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local crack2 = ridgedFilter(getPerlin(crackX,crackY,crackZ,3,40))*(crack1*.25+.75)
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local crack3 = ridgedFilter(getPerlin(crackX,crackY,crackZ,4,20))*(crack2*.25+.75)
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local generalHills = thresholdFilter(getPerlin(x,y,z,9,40),.25,.5)*getPerlin(x,y,z,10,60)
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local cracks = math.max(0,1-thresholdFilter(crack1,.975,0)-thresholdFilter(crack2,.925,0)-thresholdFilter(crack3,.9,0))
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local spires = thresholdFilter(getPerlin(crackX/40,crackY/300,crackZ/30,123,1),.6,.4)
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choiceBiomeValue = waterLevel+.02
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+cracks*(.5+generalHills*.5)*.02
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+generalHills*.05
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+spires*.3
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+((1-verticalGradientTurbulence > waterLevel+.01 or spires>0) and .04 or 0) --This lets it lip over water
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choiceBiomeFill = (spires>0 and rock) or (cracks<1 and lava) or basalt
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choiceBiomeSurface = (choiceBiomeFill == lava and 1-verticalGradientTurbulence < waterLevel and basalt) or choiceBiomeFill
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elseif choiceBiome == 'Arctic' then
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local preBoundary = getPerlin(x+getPerlin(x,0,z,5,8,true)*5,y/8,z+getPerlin(x,0,z,9,8,true)*5,2,20)
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--local cliffs = thresholdFilter(preBoundary,.5,0)
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local boundary = ridgedFilter(preBoundary)
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local roughChunks = getPerlin(x,y/4,z,436,2)
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local boundaryMask = thresholdFilter(boundary,.8,.1) --,.7,.25)
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local boundaryTypeMask = getPerlin(x,0,z,6,74)-.5
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local boundaryComp = 0
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if boundaryTypeMask < 0 then --divergent
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boundaryComp = (boundary > (1+boundaryTypeMask*.5) and -.17 or 0)
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--* boundaryTypeMask*-2
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else --convergent
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boundaryComp = boundaryMask*.1*roughChunks
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* boundaryTypeMask
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end
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choiceBiomeValue = .55
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+boundary*.05*boundaryTypeMask --.1 --soft slope up or down to boundary
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+boundaryComp --convergent/divergent effects
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+getPerlin(x,0,z,123,25)*.025 --*cliffs --gentle rolling slopes
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choiceBiomeSurface = (1-verticalGradientTurbulence < waterLevel-.1 and ice) or (boundaryMask>.6 and boundaryTypeMask>.1 and roughChunks>.5 and ice) or snow
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choiceBiomeFill = ice
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end
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return choiceBiomeValue, choiceBiomeSurface, choiceBiomeFill
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end
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function findBiomeTransitionValue(biome,weight,value,averageValue)
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if biome == 'Arctic' then
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return (weight>.2 and 1 or 0)*value
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elseif biome == 'Canyons' then
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return (weight>.7 and 1 or 0)*value
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elseif biome == 'Mountains' then
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local weight = weight^3 --This improves the ease of mountains transitioning to other biomes
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return averageValue*(1-weight)+value*weight
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else
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return averageValue*(1-weight)+value*weight
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end
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end
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function generate()
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local mapWidth = mapWidth
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local biomeSize = biomeSize
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local biomeBlendPercent = .25 --(biomeSize==50 or biomeSize == 100) and .5 or .25
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local biomeBlendPercentInverse = 1-biomeBlendPercent
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local biomeBlendDistortion = biomeBlendPercent
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local smoothScale = .5/mapHeight
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biomes = {}
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for i,v in pairs(kSelectedBiomes) do
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if v then
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table.insert(biomes,i)
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end
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end
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if #biomes<=0 then
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table.insert(biomes,'Hills')
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end
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table.sort(biomes)
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--local oMap = {}
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--local mMap = {}
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for x = 1, mapWidth do
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local oMapX = {}
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--oMap[x] = oMapX
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local mMapX = {}
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--mMap[x] = mMapX
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for z = 1, mapWidth do
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local biomeNoCave = false
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local cellToBiomeX = x/biomeSize + getPerlin(x,0,z,233,biomeSize*.3)*.25 + getPerlin(x,0,z,235,biomeSize*.05)*.075
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local cellToBiomeZ = z/biomeSize + getPerlin(x,0,z,234,biomeSize*.3)*.25 + getPerlin(x,0,z,236,biomeSize*.05)*.075
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local closestDistance = 1000000
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local biomePoints = {}
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for vx=-1,1 do
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for vz=-1,1 do
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local gridPointX = math.floor(cellToBiomeX+vx+.5)
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local gridPointZ = math.floor(cellToBiomeZ+vz+.5)
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--local pointX, pointZ = getBiomePoint(gridPointX,gridPointZ)
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local pointX = gridPointX+(getNoise(gridPointX,gridPointZ,53)-.5)*.75 --de-uniforming grid for vornonoi
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local pointZ = gridPointZ+(getNoise(gridPointX,gridPointZ,73)-.5)*.75
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local dist = math.sqrt((pointX-cellToBiomeX)^2 + (pointZ-cellToBiomeZ)^2)
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if dist < closestDistance then
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closestDistance = dist
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end
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table.insert(biomePoints,{
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x = pointX,
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z = pointZ,
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dist = dist,
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biomeNoise = getNoise(gridPointX,gridPointZ),
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weight = 0
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})
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end
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end
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local weightTotal = 0
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local weightPoints = {}
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for _,point in pairs(biomePoints) do
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local weight = point.dist == closestDistance and 1 or ((closestDistance / point.dist)-biomeBlendPercentInverse)/biomeBlendPercent
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if weight > 0 then
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local weight = weight^2.1 --this smooths the biome transition from linear to cubic InOut
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weightTotal = weightTotal + weight
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local biome = biomes[math.ceil(#biomes*(1-point.biomeNoise))] --inverting the noise so that it is limited as (0,1]. One less addition operation when finding a random list index
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weightPoints[biome] = {
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weight = weightPoints[biome] and weightPoints[biome].weight + weight or weight
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}
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end
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end
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for biome,info in pairs(weightPoints) do
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info.weight = info.weight / weightTotal
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if biome == 'Arctic' then --biomes that don't have caves that breach the surface
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biomeNoCave = true
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end
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end
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for y = 1, mapHeight do
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local oMapY = oMapX[y] or {}
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oMapX[y] = oMapY
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local mMapY = mMapX[y] or {}
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mMapX[y] = mMapY
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--[[local oMapY = {}
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oMapX[y] = oMapY
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local mMapY = {}
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mMapX[z] = mMapY]]
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local verticalGradient = 1-((y-1)/(mapHeight-1))
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local caves = 0
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local verticalGradientTurbulence = verticalGradient*.9 + .1*getPerlin(x,y,z,107,15)
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local choiceValue = 0
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local choiceSurface = lava
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local choiceFill = rock
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if verticalGradient > .65 or verticalGradient < .1 then
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--under surface of every biome; don't get biome data; waste of time.
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choiceValue = .5
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elseif #biomes == 1 then
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choiceValue, choiceSurface, choiceFill = findBiomeInfo(biomes[1],x,y,z,verticalGradientTurbulence)
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else
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local averageValue = 0
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--local findChoiceMaterial = -getNoise(x,y,z,19)
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for biome,info in pairs(weightPoints) do
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local biomeValue, biomeSurface, biomeFill = findBiomeInfo(biome,x,y,z,verticalGradientTurbulence)
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info.biomeValue = biomeValue
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info.biomeSurface = biomeSurface
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info.biomeFill = biomeFill
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local value = biomeValue * info.weight
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averageValue = averageValue + value
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--[[if findChoiceMaterial < 0 and findChoiceMaterial + weight >= 0 then
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choiceMaterial = biomeMaterial
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end
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findChoiceMaterial = findChoiceMaterial + weight]]
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|
end
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|
for biome,info in pairs(weightPoints) do
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local value = findBiomeTransitionValue(biome,info.weight,info.biomeValue,averageValue)
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if value > choiceValue then
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choiceValue = value
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choiceSurface = info.biomeSurface
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|
choiceFill = info.biomeFill
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|
end
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|
end
|
|
end
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|
|
|
local preCaveComp = verticalGradient*.5 + choiceValue*.5
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|
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|
local surface = preCaveComp > .5-surfaceThickness and preCaveComp < .5+surfaceThickness
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|
|
|
if generateCaves --user wants caves
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|
and (not biomeNoCave or verticalGradient > .65) --biome allows caves or deep enough
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|
and not (surface and (1-verticalGradient) < waterLevel+.005) --caves only breach surface above waterlevel
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|
and not (surface and (1-verticalGradient) > waterLevel+.58) then --caves don't go too high so that they don't cut up mountain tops
|
|
local ridged2 = ridgedFilter(getPerlin(x,y,z,4,30))
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|
local caves2 = thresholdFilter(ridged2,.84,.01)
|
|
local ridged3 = ridgedFilter(getPerlin(x,y,z,5,30))
|
|
local caves3 = thresholdFilter(ridged3,.84,.01)
|
|
local ridged4 = ridgedFilter(getPerlin(x,y,z,6,30))
|
|
local caves4 = thresholdFilter(ridged4,.84,.01)
|
|
local caveOpenings = (surface and 1 or 0) * thresholdFilter(getPerlin(x,0,z,143,62),.35,0) --.45
|
|
caves = caves2 * caves3 * caves4 - caveOpenings
|
|
caves = caves < 0 and 0 or caves > 1 and 1 or caves
|
|
end
|
|
|
|
local comp = preCaveComp - caves
|
|
|
|
local smoothedResult = thresholdFilter(comp,.5,smoothScale)
|
|
|
|
---below water level -above surface -no terrain
|
|
if 1-verticalGradient < waterLevel and preCaveComp <= .5 and smoothedResult <= 0 then
|
|
smoothedResult = 1
|
|
choiceSurface = water
|
|
choiceFill = water
|
|
surface = true
|
|
end
|
|
|
|
oMapY[z] = (y == 1 and 1) or smoothedResult
|
|
mMapY[z] = (y == 1 and lava) or (smoothedResult <= 0 and air) or (surface and choiceSurface) or choiceFill
|
|
end
|
|
end
|
|
|
|
-- local regionStart = Vector3.new(mapWidth*-2+(x-1)*4,mapHeight*-2,mapWidth*-2)
|
|
-- local regionEnd = Vector3.new(mapWidth*-2+x*4,mapHeight*2,mapWidth*2)
|
|
-- local mapRegion = Region3.new(regionStart, regionEnd)
|
|
-- terrain:WriteVoxels(mapRegion, 4, {mMapX}, {oMapX})
|
|
end
|
|
end
|
|
|
|
bench.runCode(generate, "voxelgen")
|