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https://github.com/luau-lang/luau.git
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aafea36235
Previous benchmark require fix wasn't actually working correctly for the old style require (or running in Lua).
457 lines
21 KiB
Lua
457 lines
21 KiB
Lua
local function prequire(name) local success, result = pcall(require, name); return if success then result else nil end
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local bench = script and require(script.Parent.bench_support) or prequire("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
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end
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local preCaveComp = verticalGradient*.5 + choiceValue*.5
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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
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local ridged2 = ridgedFilter(getPerlin(x,y,z,4,30))
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local caves2 = thresholdFilter(ridged2,.84,.01)
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local ridged3 = ridgedFilter(getPerlin(x,y,z,5,30))
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local caves3 = thresholdFilter(ridged3,.84,.01)
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local ridged4 = ridgedFilter(getPerlin(x,y,z,6,30))
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local caves4 = thresholdFilter(ridged4,.84,.01)
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local caveOpenings = (surface and 1 or 0) * thresholdFilter(getPerlin(x,0,z,143,62),.35,0) --.45
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caves = caves2 * caves3 * caves4 - caveOpenings
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caves = caves < 0 and 0 or caves > 1 and 1 or caves
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end
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|
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local comp = preCaveComp - caves
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|
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local smoothedResult = thresholdFilter(comp,.5,smoothScale)
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|
|
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---below water level -above surface -no terrain
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if 1-verticalGradient < waterLevel and preCaveComp <= .5 and smoothedResult <= 0 then
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smoothedResult = 1
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choiceSurface = water
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choiceFill = water
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surface = true
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end
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oMapY[z] = (y == 1 and 1) or smoothedResult
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mMapY[z] = (y == 1 and lava) or (smoothedResult <= 0 and air) or (surface and choiceSurface) or choiceFill
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|
end
|
|
end
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-- local regionStart = Vector3.new(mapWidth*-2+(x-1)*4,mapHeight*-2,mapWidth*-2)
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-- local regionEnd = Vector3.new(mapWidth*-2+x*4,mapHeight*2,mapWidth*2)
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-- local mapRegion = Region3.new(regionStart, regionEnd)
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-- terrain:WriteVoxels(mapRegion, 4, {mMapX}, {oMapX})
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end
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end
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bench.runCode(generate, "voxelgen")
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