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using proper hashing function

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minjaesong
2020-02-24 14:45:12 +09:00
parent 73775d9148
commit 0d8d6ca9fa
4 changed files with 109 additions and 4 deletions
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6
src/net/torvald/terrarum/blockproperties/BlockProp.kt
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@@ -1,7 +1,9 @@
package net.torvald.terrarum.blockproperties
import net.torvald.gdx.graphics.Cvec
import net.torvald.random.XXHash32
import net.torvald.terrarum.gameworld.fmod
import net.torvald.terrarum.serialise.toLittle
/**
* Created by minjaesong on 2016-02-16.
@@ -58,8 +60,8 @@ class BlockProp {
fun getLumCol(x: Int, y: Int) = if (dynamicLuminosityFunction == 0) {
baseLumCol
} else {
val offset = (x * 214013 + 2531011).ushr(16).fmod(BlockCodex.DYNAMIC_RANDOM_CASES)
BlockCodex[BlockCodex.dynamicToVirtualMap[id]!! - offset]._lumCol
val offset = XXHash32.hash(((x and 0xFFFF).shl(16) or (y and 0xFFFF)).toLittle(), 10000)
BlockCodex[BlockCodex.dynamicToVirtualMap[id]!! - offset.fmod(BlockCodex.DYNAMIC_RANDOM_CASES)]._lumCol
}
/**