104 lines
2.8 KiB
Kotlin
104 lines
2.8 KiB
Kotlin
@file:Suppress("MemberVisibilityCanBePrivate")
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package net.axay.kspigot.structures
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import net.axay.kspigot.extensions.geometry.SimpleLocation2D
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import net.axay.kspigot.extensions.geometry.SimpleLocation3D
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import net.axay.kspigot.particles.KSpigotParticle
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import org.bukkit.Material
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import org.bukkit.entity.EntityType
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private fun circleEdgeLocations(radius: Number) = HashSet<SimpleLocation2D>().apply {
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val currentRadius = radius.toDouble()
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var d = -currentRadius
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var x = currentRadius
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var y = 0
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while (y <= x) {
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addSimpleLoc2D(x, y)
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addSimpleLoc2D(x, -y)
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addSimpleLoc2D(-x, y)
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addSimpleLoc2D(-x, -y)
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addSimpleLoc2D(y, x)
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addSimpleLoc2D(y, -x)
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addSimpleLoc2D(-y, x)
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addSimpleLoc2D(-y, -x)
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d += 2 * y + 1
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y++
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if (d > 0) {
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d += -2 * x + 2
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x--
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}
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}
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}
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private fun MutableSet<SimpleLocation2D>.addSimpleLoc2D(first: Number, second: Number) {
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this += SimpleLocation2D(first, second)
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}
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abstract class Circle(val radius: Number) {
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protected abstract val data: StructureData
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val fillLocations by lazy {
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var currentRadius = radius.toDouble()
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HashSet<SimpleLocation2D>().apply {
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while (currentRadius >= 0) {
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this += circleEdgeLocations(currentRadius).mapTo(HashSet()) {
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mutableSetOf(it).apply {
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this += SimpleLocation2D(
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it.x + when {
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it.x >= 1 -> -1; it.x <= -1 -> 1; else -> 0
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}, it.y
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)
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this += SimpleLocation2D(
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it.x, it.y + when {
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it.y >= 1 -> -1; it.y <= -1 -> 1; else -> 0
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}
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)
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}
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}.flatten()
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currentRadius--
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}
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}
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}
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val edgeLocations by lazy {
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circleEdgeLocations(radius)
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}
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val filledStructure by lazy { structure(true) }
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val edgeStructure by lazy { structure(false) }
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fun structure(filled: Boolean) = Structure(
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HashSet<SingleStructureData>().apply {
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val locations = if (filled) fillLocations else edgeLocations
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for (it in locations)
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this += SingleStructureData(SimpleLocation3D(it.x, 0, it.y), data)
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}
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)
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}
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class MaterialCircle(radius: Number, material: Material) : Circle(radius) {
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override val data = StructureDataMaterial(material)
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}
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class ParticleCircle(radius: Number, particle: KSpigotParticle) : Circle(radius) {
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override val data = StructureDataParticle(particle)
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}
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class EntityCircle(radius: Number, entityType: EntityType) : Circle(radius) {
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override val data = StructureDataEntity(entityType)
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} |