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worldgen: actually generating ores

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minjaesong
2023-10-26 15:37:48 +09:00
parent 2bd54c8316
commit 012d3482dc
17 changed files with 394 additions and 256 deletions
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83
src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt
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@@ -81,7 +81,6 @@ class WorldgenNoiseSandbox : ApplicationAdapter() {
private val NM_TERR = TerragenTest to TerragenParams()
private val NM_BIOME = BiomeMaker to BiomegenParams()
private val NM_ORES = Oregen to OregenParams()
private val NOISEMAKER = NM_TERR
@@ -687,8 +686,8 @@ internal object TerragenTest : NoiseMaker {
return listOf(
Joise(groundScaling),
Joise(caveScaling),
Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake 0xC08204, params.oreCopperFreq, params.oreCopperPower, params.oreCopperScale)),
Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake 0xFE2204, params.oreIronFreq, params.oreIronPower, params.oreIronScale)),
Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake "ores@basegame:1", 0.024, 0.01, 0.505)),
Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake "ores@basegame:2", 0.04, 0.01, 0.505)),
)
}
@@ -759,84 +758,6 @@ internal object TerragenTest : NoiseMaker {
}
internal object Oregen : NoiseMaker {
override fun draw(x: Int, y: Int, noiseValue: List<Double>, outTex: Pixmap) {
var n = noiseValue[0]
// if (n in 0.0..1.0) n = 1.0 - n
val cout = if (n >= 0.0)
Color(n.toFloat(), n.toFloat(), n.toFloat(), 1f)
else
Color(-n.toFloat(), 0f, 1f, 1f)
outTex.drawPixel(x, y, cout.toRGBA())
}
override fun getGenerator(seed: Long, params: Any): List<Joise> {
val params = params as OregenParams
val oreMagic = 0x023L
val orePerturbMagic = 12345L
val oreShape = ModuleFractal().also {
it.setType(ModuleFractal.FractalType.RIDGEMULTI)
it.setAllSourceBasisTypes(ModuleBasisFunction.BasisType.GRADIENT)
it.setAllSourceInterpolationTypes(ModuleBasisFunction.InterpolationType.QUINTIC)
it.setNumOctaves(2)
it.setFrequency(params.oreShapeFreq) // adjust the "density" of the caves
it.seed = seed shake oreMagic
}
val oreShape2 = ModuleScaleOffset().also {
it.setSource(oreShape)
it.setScale(1.0)
it.setOffset(-0.5)
}
val orePerturbFractal = ModuleFractal().also {
it.setType(ModuleFractal.FractalType.FBM)
it.setAllSourceBasisTypes(ModuleBasisFunction.BasisType.GRADIENT)
it.setAllSourceInterpolationTypes(ModuleBasisFunction.InterpolationType.QUINTIC)
it.setNumOctaves(6)
it.setFrequency(params.oreShapeFreq * 3.0 / 4.0)
it.seed = seed shake orePerturbMagic
}
val orePerturbScale = ModuleScaleOffset().also {
it.setSource(orePerturbFractal)
it.setScale(20.0)
it.setOffset(0.0)
}
val orePerturb = ModuleTranslateDomain().also {
it.setSource(oreShape2)
it.setAxisXSource(orePerturbScale)
}
val oreSelectAttenuate = ModulePow().also {
it.setSource(ModuleGradient().also {
it.setGradient(0.0, 0.0, NOISEBOX_HEIGHT.toDouble() * 5, 100.0)
})
it.setPower(1.0 / 4.0)
}
val oreSelect = ModuleSelect().also {
it.setLowSource(0.0)
it.setHighSource(1.0)
it.setControlSource(orePerturb)
it.setThreshold(oreSelectAttenuate)
it.setFalloff(0.0)
}
return listOf(
Joise(oreSelect)
)
}
}
/*infix fun Long.shake(other: Long): Long {
var s0 = this
var s1 = other