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Fix: use distance from boundbox edge for targeting distance #267

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Fix: use distance from boundbox edge for targeting distance #267

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501754d
use dist from boundbox edge for killaura
TwinkNet Mar 12, 2026
07b8195
move helper fun to Vectors.kt and make ext of Vec3d, simplify naming
TwinkNet Mar 13, 2026
c21cf6c
remove imports that we don't need anymore from WorldUtils.kt
TwinkNet Mar 13, 2026
6479e4d
effectively expand box by epsilon before dist calc: precision concerns.
TwinkNet Mar 13, 2026
11dfb5a
remove unused import
TwinkNet Mar 13, 2026
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3 changes: 2 additions & 1 deletion src/main/kotlin/com/lambda/module/modules/combat/CrystalAura.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@ import com.lambda.util.math.minus
import com.lambda.util.math.plus
import com.lambda.util.player.SlotUtils.hotbarStacks
import com.lambda.util.world.fastEntitySearch
import com.lambda.util.world.toFastVec
import net.minecraft.block.Blocks
import net.minecraft.entity.Entity
import net.minecraft.entity.LivingEntity
Expand Down Expand Up @@ -356,7 +357,7 @@ object CrystalAura : Module(
// Exclude blocks blocked by entities
val crystalBox = pos.crystalBox

val entitiesNearby = fastEntitySearch<Entity>(3.5, pos)
val entitiesNearby = fastEntitySearch<Entity>(3.5, pos.toFastVec())
val crystals = entitiesNearby.filterIsInstance<EndCrystalEntity>()
val otherEntities = entitiesNearby - crystals + player

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14 changes: 14 additions & 0 deletions src/main/kotlin/com/lambda/util/math/Vectors.kt
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Expand Up @@ -21,6 +21,7 @@ import com.lambda.util.math.MathUtils.floorToInt
import com.lambda.util.math.MathUtils.sq
import net.minecraft.entity.Entity
import net.minecraft.util.math.BlockPos
import net.minecraft.util.math.Box
import net.minecraft.util.math.ChunkPos
import net.minecraft.util.math.Direction
import net.minecraft.util.math.EightWayDirection
Expand Down Expand Up @@ -202,6 +203,19 @@ infix fun Entity.distSq(other: Vec3d): Double = pos distSq other
infix fun Entity.distSq(other: Vec3i): Int = blockPos distSq other
infix fun Entity.distSq(other: Entity): Double = squaredDistanceTo(other)

/**
* Returns the distance squared to the closest side of a [Box]
*/
fun Vec3d.distanceToSide(box: Box, epsilon: Double = 1e-7): Double {
val closestX = x.coerceIn(box.minX - epsilon, box.maxX + epsilon)
val closestY = y.coerceIn(box.minY - epsilon, box.maxY + epsilon)
val closestZ = z.coerceIn(box.minZ - epsilon, box.maxZ + epsilon)
val dx = x - closestX
val dy = y - closestY
val dz = z - closestZ
return dx * dx + dy * dy + dz * dz
}

val UP = Vec3d(0.0, 1.0, 0.0)
val DOWN = Vec3d(0.0, -1.0, 0.0)
val CENTER = Vec3d(0.5, 0.5, 0.5)
4 changes: 2 additions & 2 deletions src/main/kotlin/com/lambda/util/world/WorldDsl.kt
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Expand Up @@ -147,9 +147,9 @@ inline fun <reified T : Entity> SafeContext.entitySearch(
@EntityMarker
inline fun <reified T : Entity> SafeContext.fastEntitySearch(
range: Double,
pos: BlockPos = player.blockPos,
pos: FastVector = player.pos.toFastVec(),
noinline filter: (T) -> Boolean = { true },
) = internalGetFastEntities<T>(pos.toFastVec(), range, filter = filter)
) = internalGetFastEntities<T>(pos, range, filter = filter)

@DslMarker
annotation class FluidMarker
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5 changes: 2 additions & 3 deletions src/main/kotlin/com/lambda/util/world/WorldUtils.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ package com.lambda.util.world
import com.lambda.context.SafeContext
import com.lambda.util.extension.getBlockState
import com.lambda.util.extension.getFluidState
import com.lambda.util.math.distanceToSide
import com.lambda.util.world.WorldUtils.internalGetEntities
import com.lambda.util.world.WorldUtils.internalGetFastEntities
import net.minecraft.block.BlockState
Expand All @@ -29,9 +30,7 @@ import net.minecraft.fluid.Fluid
import net.minecraft.fluid.FluidState
import net.minecraft.util.math.BlockPos
import net.minecraft.util.math.ChunkSectionPos
import kotlin.collections.asSequence
import kotlin.math.ceil
import kotlin.sequences.filter

object WorldUtils {
fun SafeContext.isLoaded(pos: BlockPos) =
Expand Down Expand Up @@ -69,7 +68,7 @@ object WorldUtils {
?.filterIsInstance<T>()
?.filter {
it != player &&
pos distSq it.pos <= distance * distance &&
pos.toVec3d().distanceToSide(it.boundingBox) <= distance * distance &&
filter(it)
} ?: emptySequence()
)
Expand Down