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diversified tree generation

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minjaesong
2024-02-03 02:41:02 +09:00
parent 93e0c8742a
commit 8cb4709cd7
1 changed files with 8 additions and 3 deletions
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11
src/net/torvald/terrarum/modulebasegame/worldgenerator/Treegen.kt
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@@ -86,10 +86,12 @@ class Treegen(world: GameWorld, isFinal: Boolean, seed: Long, val terragenParams
val thre = this - ibase
return if (nextDouble(x, y, h) < 1.0 - thre) ibase else ibase + 1
}
private val speciesSlot = arrayOf(0,0,0,0,0,0,0,0,2,2,2,2,1,1,3,3)
private fun tryToPlant(xs: IntProgression, ys: Int, grassMap: Array<List<Int>>) {
val treeSpecies = 0
val speciesIndex = nextDouble(xs.first, ys, 594188903 xor world.generatorSeed.toInt()).times(speciesSlot.size).toInt()
val treeSpecies = speciesSlot[speciesIndex]
// single "slice" is guaranteed to be 9 blocks wide
@@ -155,7 +157,10 @@ class Treegen(world: GameWorld, isFinal: Boolean, seed: Long, val terragenParams
if (treeToSpawn[0] != 0) {
val treeSize = arrayOf(null, 0, 1, 2)[treeToSpawn[0]]
grassMap[plot1].let { if (it.isEmpty()) null else it.takeRand(xs.first + plot1, ys, 4567) }?.let {
plantTree(world, xs.first + plot1, it, treeSpecies, treeSize!!)
if (treeSize == 0) // shrubs are always oak
plantTree(world, xs.first + plot1, it, 0, treeSize!!)
else
plantTree(world, xs.first + plot1, it, treeSpecies, treeSize!!)
}
}
}