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package moe.nea.firmament.features.fishing
import kotlin.math.abs
import kotlin.math.absoluteValue
import kotlin.math.acos
import kotlin.math.asin
import kotlin.math.atan2
import kotlin.math.sqrt
import kotlin.time.Duration.Companion.seconds
import net.minecraft.entity.projectile.FishingBobberEntity
import net.minecraft.particle.ParticleTypes
import net.minecraft.util.math.Vec3d
import moe.nea.firmament.events.ParticleSpawnEvent
import moe.nea.firmament.events.WorldReadyEvent
import moe.nea.firmament.events.WorldRenderLastEvent
import moe.nea.firmament.features.FirmamentFeature
import moe.nea.firmament.util.MC
import moe.nea.firmament.util.TimeMark
import moe.nea.firmament.gui.config.ManagedConfig
import moe.nea.firmament.util.render.RenderBlockContext.Companion.renderBlocks
object FishingWarning : FirmamentFeature {
override val name: String
get() = "Fishing Warning"
override val identifier: String
get() = "fishing-warning"
object TConfig : ManagedConfig("fishing-warning") {
// Display a warning when you are about to hook a fish
val displayWarning by toggle("display-warning") { false }
val highlightWakeChain by toggle("highlight-wake-chain") { false }
}
override val config: ManagedConfig get() = TConfig
data class WakeChain(
val delta: Vec3d,
val momentum: Vec3d,
val lastContinued: TimeMark,
)
val chains = mutableListOf<WakeChain>()
private fun areAnglesClose(a: Double, b: Double, tolerance: Double): Boolean {
var dist = (a - b).absoluteValue
if (180 < dist) dist = 360 - dist;
return dist <= tolerance
}
private fun calculateAngleFromOffsets(xOffset: Double, zOffset: Double): Double {
// See also: Vanilla 1.8.9 Fishing particle code.
var angleX = Math.toDegrees(acos(xOffset / 0.04))
var angleZ = Math.toDegrees(asin(zOffset / 0.04))
if (xOffset < 0) {
// Old: angleZ = 180 - angleZ;
angleZ = 180 - angleZ
}
if (zOffset < 0) {
angleX = 360 - angleX
}
angleX %= 360.0
angleZ %= 360.0
if (angleX < 0) angleX += 360.0
if (angleZ < 0) angleZ += 360.0
var dist = angleX - angleZ
if (dist < -180) dist += 360.0
if (dist > 180) dist -= 360.0
return angleZ + dist / 2
}
private fun toDegrees(d: Double) = d * 180 / Math.PI
fun isHookPossible(hook: FishingBobberEntity, particlePos: Vec3d, angle1: Double, angle2: Double): Boolean {
val dx = particlePos.x - hook.pos.x
val dz = particlePos.z - hook.pos.z
val dist = sqrt(dx * dx + dz * dz)
if (dist < 0.2) return true
val tolerance = toDegrees(atan2(0.03125, dist)) * 1.5
var angleToHook = toDegrees(atan2(dx, dz)) % 360
if (angleToHook < 0) angleToHook += 360
return areAnglesClose(angle1, angleToHook, tolerance) || areAnglesClose(angle2, angleToHook, tolerance)
}
val recentParticles = mutableListOf<Pair<Vec3d, TimeMark>>()
private fun onParticleSpawn(event: ParticleSpawnEvent) {
if (event.particleEffect.type != ParticleTypes.FISHING) return
if (!(abs(event.offset.y - 0.01f) < 0.001f)) return
val hook = MC.player?.fishHook ?: return
val actualOffset = event.offset
val candidate1 = calculateAngleFromOffsets(actualOffset.x, -actualOffset.z)
val candidate2 = calculateAngleFromOffsets(-actualOffset.x, actualOffset.z)
if (isHookPossible(hook, event.position, candidate1, candidate2)) {
recentParticles.add(Pair(event.position, TimeMark.now()))
}
}
override fun onLoad() {
ParticleSpawnEvent.subscribe(::onParticleSpawn)
WorldReadyEvent.subscribe {
recentParticles.clear()
}
WorldRenderLastEvent.subscribe {
recentParticles.removeIf { it.second.passedTime() > 5.seconds }
renderBlocks(it.matrices, it.camera) {
color(0f, 0f, 1f, 1f)
recentParticles.forEach {
tinyBlock(it.first, 0.1F)
}
}
}
}
}
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