Dust particles when replicating

Fixes #95

src/main/kotlin/ru/dbotthepony/mc/otm/GlobalEventHandler.kt

@@ -3,6 +3,7 @@
 
 package ru.dbotthepony.mc.otm
 
+import net.minecraft.client.server.IntegratedServer
 import net.minecraft.server.MinecraftServer
 import net.minecraft.world.level.Level
 import net.minecraftforge.event.TickEvent
@@ -12,6 +13,7 @@ import net.minecraftforge.event.server.ServerAboutToStartEvent
 import net.minecraftforge.event.server.ServerStoppedEvent
 import net.minecraftforge.event.server.ServerStoppingEvent
 import org.apache.logging.log4j.LogManager
+import ru.dbotthepony.mc.otm.client.minecraft
 import ru.dbotthepony.mc.otm.core.IConditionalTickable
 import ru.dbotthepony.mc.otm.core.ITickable
 import ru.dbotthepony.mc.otm.core.TickList
@@ -50,6 +52,24 @@ private var _clientThread: Thread? = null
 
 val isClient: Boolean get() = _clientThread !== null
 
+private val isPausedImpl: Boolean get() {
+	val server = _server
+
+	if (server is IntegratedServer) {
+		return !server.isPublished && minecraft.isPaused
+	}
+
+	return false
+}
+
+val isPaused: Boolean get() {
+	if (_clientThread === null) {
+		return false
+	}
+
+	return isPausedImpl
+}
+
 fun recordClientThread() {
 	if (_clientThread != null) {
 		throw IllegalStateException("Already have client channel")

src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/matter/MatterReplicatorBlockEntity.kt

@@ -186,6 +186,7 @@ class MatterReplicatorBlockEntity(p_155229_: BlockPos, p_155230_: BlockState) :
 
 	var renderRotation = 0f
 	var lastRender = 0L
+	var particleRenderScore = 0L
 
 	override fun computeNextJob(): Pair<ReplicatorJob?, IdleReason?> {
 		if (energy.batteryLevel < BASE_CONSUMPTION) {

src/main/kotlin/ru/dbotthepony/mc/otm/client/render/blockentity/MatterReplicatorRenderer.kt

@@ -10,20 +10,35 @@ import net.minecraft.client.renderer.MultiBufferSource
 import net.minecraft.client.renderer.block.model.ItemTransforms
 import net.minecraft.client.renderer.blockentity.BlockEntityRenderer
 import net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider
+import net.minecraft.client.server.IntegratedServer
+import net.minecraft.core.particles.DustParticleOptions
+import net.minecraft.world.level.levelgen.XoroshiroRandomSource
 import org.lwjgl.opengl.GL14
 import org.lwjgl.opengl.GL14.GL_ADD
 import org.lwjgl.opengl.GL14.GL_FUNC_ADD
 import org.lwjgl.opengl.GL14.GL_MIN
 import org.lwjgl.opengl.GL14.glBlendColor
+import ru.dbotthepony.mc.otm.NULLABLE_MINECRAFT_SERVER
+import ru.dbotthepony.mc.otm.block.entity.WorkerState
 import ru.dbotthepony.mc.otm.block.entity.matter.MatterReplicatorBlockEntity
 import ru.dbotthepony.mc.otm.client.minecraft
 import ru.dbotthepony.mc.otm.client.render.lockBlendFunc
 import ru.dbotthepony.mc.otm.client.render.popScissorRect
 import ru.dbotthepony.mc.otm.client.render.pushScissorRect
 import ru.dbotthepony.mc.otm.client.screen.widget.PowerGaugePanel
+import ru.dbotthepony.mc.otm.core.component1
+import ru.dbotthepony.mc.otm.core.component2
+import ru.dbotthepony.mc.otm.core.component3
+import ru.dbotthepony.mc.otm.core.get
 import ru.dbotthepony.mc.otm.core.normalizeAngleDeg
+import ru.dbotthepony.mc.otm.isPaused
 
 class MatterReplicatorRenderer(private val context: BlockEntityRendererProvider.Context) : BlockEntityRenderer<MatterReplicatorBlockEntity> {
+	companion object {
+		private val smoke = DustParticleOptions(Vector3f(1f, 1f, 1f), 1f)
+		private val rand = XoroshiroRandomSource(System.nanoTime(), System.currentTimeMillis())
+	}
+
 	override fun render(
 		tile: MatterReplicatorBlockEntity,
 		partialTick: Float,
@@ -46,7 +61,21 @@ class MatterReplicatorRenderer(private val context: BlockEntityRendererProvider.
 		val diff = System.nanoTime() - tile.lastRender
 		tile.lastRender = System.nanoTime()
 
+		if (!isPaused)
+			tile.particleRenderScore += diff
+
+		if (tile.particleRenderScore > 30_000_000L) {
+			tile.particleRenderScore = tile.particleRenderScore % 30_000_000L
+
+			if (rand.nextDouble() > 0.75 && !isPaused && tile.blockState[WorkerState.WORKER_STATE] == WorkerState.WORKING) {
+				val (x, y, z) = tile.blockPos
+				tile.level?.addParticle(smoke, 0.3 + x + rand.nextDouble() * 0.4, 0.1 + y + rand.nextDouble() * 0.2, 0.3 + z + rand.nextDouble() * 0.4, 0.0, 0.0, 0.0)
+			}
+		}
+
+		if (!isPaused)
 			tile.renderRotation = normalizeAngleDeg(tile.renderRotation + diff / 10_000_000f)
+
 		pose.mulPose(Vector3f.YP.rotationDegrees(tile.renderRotation))
 
 		val model = context.itemRenderer.getModel(