split player in remote and local player, entity effect particles

src/main/java/de/bixilon/minosoft/data/DefaultEntityFactories.kt

@@ -33,7 +33,7 @@ import de.bixilon.minosoft.data.entities.entities.monster.piglin.PiglinBrute
 import de.bixilon.minosoft.data.entities.entities.monster.raid.*
 import de.bixilon.minosoft.data.entities.entities.npc.villager.Villager
 import de.bixilon.minosoft.data.entities.entities.npc.villager.WanderingTrader
-import de.bixilon.minosoft.data.entities.entities.player.PlayerEntity
+import de.bixilon.minosoft.data.entities.entities.player.RemotePlayerEntity
 import de.bixilon.minosoft.data.entities.entities.projectile.*
 import de.bixilon.minosoft.data.entities.entities.vehicle.*
 import de.bixilon.minosoft.data.entities.meta.EntityMetaData
@@ -156,7 +156,7 @@ object DefaultEntityFactories : DefaultFactory<EntityFactory<out Entity>>(
     ZombieVillager,
     ZombiePigman,
     ZombifiedPiglin,
-    PlayerEntity,
+    RemotePlayerEntity,
     FishingHook,
     GlowSquid,
     EvokerFangs,

src/main/java/de/bixilon/minosoft/data/entities/entities/Entity.kt

@@ -21,7 +21,7 @@ import de.bixilon.minosoft.data.inventory.InventorySlots.EquipmentSlots
 import de.bixilon.minosoft.data.inventory.ItemStack
 import de.bixilon.minosoft.data.mappings.effects.StatusEffect
 import de.bixilon.minosoft.data.mappings.entities.EntityType
-import de.bixilon.minosoft.data.physics.Speedable
+import de.bixilon.minosoft.data.physics.PhysicsEntity
 import de.bixilon.minosoft.data.text.ChatComponent
 import de.bixilon.minosoft.gui.rendering.chunk.models.AABB
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.EMPTY
@@ -34,13 +34,15 @@ import glm_.vec3.Vec3
 import java.lang.reflect.InvocationTargetException
 import java.util.*
 import kotlin.math.pow
+import kotlin.random.Random
 
 abstract class Entity(
     protected val connection: PlayConnection,
     val entityType: EntityType,
     override var position: Vec3,
     var rotation: EntityRotation,
-) : Speedable {
+) : PhysicsEntity {
+    protected val random = Random
     val equipment: MutableMap<EquipmentSlots, ItemStack> = mutableMapOf()
     val activeStatusEffects: MutableMap<StatusEffect, StatusEffectInstance> = synchronizedMapOf()
 
@@ -62,6 +64,8 @@ abstract class Entity(
         Vec3(+(entityType.width / 2 + HITBOX_MARGIN), entityType.height, +(entityType.width / 2 + HITBOX_MARGIN))
     )
 
+    private var lastTickTime = -1L
+
     fun forceMove(deltaPosition: Vec3) {
         position = position + deltaPosition
     }
@@ -232,8 +236,16 @@ abstract class Entity(
         check(deltaMillis > 0L) { "Delta tick time is <= 0: $deltaMillis" }
 
         tickMovement(deltaMillis)
+
+        val currentTime = System.currentTimeMillis()
+        if (currentTime - lastTickTime >= ProtocolDefinition.TICK_TIME) {
+            realTick()
+            lastTickTime = currentTime
+        }
     }
 
+    open fun realTick() {}
+
     private val aabb: AABB
         get() = defaultAABB + position
 

src/main/java/de/bixilon/minosoft/data/entities/entities/LivingEntity.kt

@@ -17,17 +17,25 @@ import de.bixilon.minosoft.data.entities.EntityRotation
 import de.bixilon.minosoft.data.entities.attributes.DefaultEntityAttributes
 import de.bixilon.minosoft.data.mappings.entities.EntityType
 import de.bixilon.minosoft.data.player.Hands
+import de.bixilon.minosoft.data.text.ChatColors
+import de.bixilon.minosoft.data.text.RGBColor
+import de.bixilon.minosoft.data.text.RGBColor.Companion.asRGBColor
+import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.spell.AmbientEntityEffectParticle
+import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.spell.EntityEffectParticle
+import de.bixilon.minosoft.gui.rendering.util.VecUtil.vertical
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
+import de.bixilon.minosoft.util.KUtil.chance
 import glm_.vec3.Vec3
 import glm_.vec3.Vec3i
 
 abstract class LivingEntity(connection: PlayConnection, entityType: EntityType, position: Vec3, rotation: EntityRotation) : Entity(connection, entityType, position, rotation) {
+    private val entityEffectParticle = connection.registries.particleTypeRegistry[EntityEffectParticle]
+    private val ambientEntityEffectParticle = connection.registries.particleTypeRegistry[AmbientEntityEffectParticle]
 
     private fun getLivingEntityFlag(bitMask: Int): Boolean {
         return entityMetaData.sets.getBitMask(EntityMetaDataFields.LIVING_ENTITY_FLAGS, bitMask)
     }
 
-    // = isUsingItem
     @get:EntityMetaDataFunction(name = "Is hand active")
     val isHandActive: Boolean
         get() = getLivingEntityFlag(0x01)
@@ -52,8 +60,8 @@ abstract class LivingEntity(connection: PlayConnection, entityType: EntityType,
         }
 
     @get:EntityMetaDataFunction(name = "Effect color")
-    val effectColor: Int
-        get() = entityMetaData.sets.getInt(EntityMetaDataFields.LIVING_ENTITY_EFFECT_COLOR)
+    val effectColor: RGBColor
+        get() = entityMetaData.sets.getInt(EntityMetaDataFields.LIVING_ENTITY_EFFECT_COLOR).asRGBColor()
 
     @get:EntityMetaDataFunction(name = "Is effect ambient")
     val effectAmbient: Boolean
@@ -70,4 +78,46 @@ abstract class LivingEntity(connection: PlayConnection, entityType: EntityType,
     @get:EntityMetaDataFunction(name = "Bed location")
     val bedPosition: Vec3i?
         get() = entityMetaData.sets.getBlockPosition(EntityMetaDataFields.LIVING_ENTITY_BED_POSITION)
+
+
+    private fun tickStatusEffects() {
+        if (entityEffectParticle == null && ambientEntityEffectParticle == null) {
+            return
+        }
+        if (effectColor == ChatColors.BLACK) {
+            return
+        }
+        var spawnParticles = if (isInvisible) {
+            random.nextInt(15) == 0
+        } else {
+            random.nextBoolean()
+        }
+
+        if (effectAmbient) {
+            spawnParticles = spawnParticles && random.chance(20)
+        }
+
+        if (!spawnParticles) {
+            return
+        }
+
+        val particlePosition = position + Vec3.vertical(
+            { entityType.width * ((2.0f * random.nextFloat() - 1.0f) * 0.5f) },
+            entityType.height * random.nextFloat()
+        )
+        if (effectAmbient) {
+            ambientEntityEffectParticle ?: return
+            connection.world += AmbientEntityEffectParticle(connection, particlePosition, effectColor, ambientEntityEffectParticle.default())
+        } else {
+            entityEffectParticle ?: return
+            connection.world += EntityEffectParticle(connection, particlePosition, effectColor, entityEffectParticle.default())
+        }
+    }
+
+    override fun realTick() {
+        super.realTick()
+        tickStatusEffects()
+    }
+
+
 }

src/main/java/de/bixilon/minosoft/data/entities/entities/player/PlayerEntity.kt

@@ -17,8 +17,6 @@ import de.bixilon.minosoft.data.entities.EntityMetaDataFields
 import de.bixilon.minosoft.data.entities.EntityRotation
 import de.bixilon.minosoft.data.entities.entities.EntityMetaDataFunction
 import de.bixilon.minosoft.data.entities.entities.LivingEntity
-import de.bixilon.minosoft.data.mappings.ResourceLocation
-import de.bixilon.minosoft.data.mappings.entities.EntityFactory
 import de.bixilon.minosoft.data.mappings.entities.EntityType
 import de.bixilon.minosoft.data.player.Hands
 import de.bixilon.minosoft.data.player.PlayerProperties
@@ -27,7 +25,7 @@ import de.bixilon.minosoft.data.player.tab.TabListItem
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
 import glm_.vec3.Vec3
 
-class PlayerEntity(
+abstract class PlayerEntity(
     connection: PlayConnection,
     entityType: EntityType,
     position: Vec3 = Vec3(0, 0, 0),
@@ -82,8 +80,4 @@ class PlayerEntity(
     @get:EntityMetaDataFunction(name = "Right shoulder entity data")
     val rightShoulderData: Map<String, Any>?
         get() = entityMetaData.sets.getNBT(EntityMetaDataFields.PLAYER_RIGHT_SHOULDER_DATA)
-
-    companion object : EntityFactory<PlayerEntity> {
-        override val RESOURCE_LOCATION: ResourceLocation = ResourceLocation("player")
-    }
 }

src/main/java/de/bixilon/minosoft/data/entities/entities/player/RemotePlayerEntity.kt

@@ -0,0 +1,40 @@
+/*
+ * Minosoft
+ * Copyright (C) 2021 Moritz Zwerger
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This software is not affiliated with Mojang AB, the original developer of Minecraft.
+ */
+
+package de.bixilon.minosoft.data.entities.entities.player
+
+import de.bixilon.minosoft.data.abilities.Gamemodes
+import de.bixilon.minosoft.data.entities.EntityRotation
+import de.bixilon.minosoft.data.mappings.ResourceLocation
+import de.bixilon.minosoft.data.mappings.entities.EntityFactory
+import de.bixilon.minosoft.data.mappings.entities.EntityType
+import de.bixilon.minosoft.data.player.PlayerProperties
+import de.bixilon.minosoft.data.player.PlayerProperty
+import de.bixilon.minosoft.data.player.tab.TabListItem
+import de.bixilon.minosoft.protocol.network.connection.PlayConnection
+import glm_.vec3.Vec3
+
+class RemotePlayerEntity(
+    connection: PlayConnection,
+    entityType: EntityType,
+    position: Vec3 = Vec3(0, 0, 0),
+    rotation: EntityRotation = EntityRotation(0.0, 0.0),
+    name: String = "TBA",
+    properties: Map<PlayerProperties, PlayerProperty> = mapOf(),
+    tabListItem: TabListItem = TabListItem(name = name, gamemode = Gamemodes.SURVIVAL, properties = properties),
+) : PlayerEntity(connection, entityType, position, rotation, name, properties, tabListItem) {
+
+    companion object : EntityFactory<PlayerEntity> {
+        override val RESOURCE_LOCATION: ResourceLocation = ResourceLocation("minecraft:player")
+    }
+}

src/main/java/de/bixilon/minosoft/data/mappings/items/BlockItem.kt

@@ -36,7 +36,7 @@ open class BlockItem(
     val block: Block = registries.blockRegistry[data["block"].asInt]
 
     override fun use(connection: PlayConnection, blockState: BlockState, blockPosition: Vec3i, raycastHit: RaycastHit, hands: Hands, itemStack: ItemStack): BlockUsages {
-        if (!connection.player.entity.gamemode.canBuild) {
+        if (!connection.player.gamemode.canBuild) {
             return BlockUsages.PASS
         }
 
@@ -57,7 +57,7 @@ open class BlockItem(
 
         connection.world[placePosition] = placeBlockState
 
-        if (connection.player.entity.gamemode != Gamemodes.CREATIVE) {
+        if (connection.player.gamemode != Gamemodes.CREATIVE) {
             itemStack.count--
             connection.player.inventory.validate()
         }

src/main/java/de/bixilon/minosoft/data/mappings/items/tools/MiningToolItem.kt

@@ -53,7 +53,7 @@ abstract class MiningToolItem(
     }
 
     protected fun interactWithTool(connection: PlayConnection, blockPosition: Vec3i, replace: BlockState?): BlockUsages {
-        if (!connection.player.entity.gamemode.useTools) {
+        if (!connection.player.gamemode.useTools) {
             return BlockUsages.PASS
         }
 

src/main/java/de/bixilon/minosoft/data/mappings/other/game/event/handlers/GameMoveChangeGameEventHandler.kt

@@ -22,6 +22,6 @@ object GameMoveChangeGameEventHandler : GameEventHandler {
     override val RESOURCE_LOCATION: ResourceLocation = "minecraft:gamemode_change".asResourceLocation()
 
     override fun handle(data: Float, connection: PlayConnection) {
-        connection.player.entity.tabListItem.gamemode = Gamemodes[data.toInt()]
+        connection.player.tabListItem.gamemode = Gamemodes[data.toInt()]
     }
 }

src/main/java/de/bixilon/minosoft/data/physics/CollisionDetector.kt

@@ -42,19 +42,19 @@ class CollisionDetector(val connection: PlayConnection) {
         return result
     }
 
-    fun collide(speedable: Speedable, deltaPosition: Vec3, collisionsToCheck: VoxelShape, aabb: AABB): Vec3 {
+    fun collide(physicsEntity: PhysicsEntity, deltaPosition: Vec3, collisionsToCheck: VoxelShape, aabb: AABB): Vec3 {
         val delta = Vec3(deltaPosition)
         if (delta.y != 0.0f) {
             delta.y = collisionsToCheck.computeOffset(aabb, deltaPosition.y, Axes.Y)
             if (delta.y != deltaPosition.y) {
-                speedable.onGround = false
-                speedable.velocity.y = 0.0f
+                physicsEntity.onGround = false
+                physicsEntity.velocity.y = 0.0f
                 if (deltaPosition.y < 0) {
-                    speedable.onGround = true
+                    physicsEntity.onGround = true
                 }
                 aabb += Vec3(0f, delta.y, 0f)
             } else if (delta.y < 0) {
-                speedable.onGround = false
+                physicsEntity.onGround = false
             }
         }
         if ((deltaPosition.x != 0f || deltaPosition.z != 0f)) {
@@ -72,21 +72,21 @@ class CollisionDetector(val connection: PlayConnection) {
             delta.x = collisionsToCheck.computeOffset(aabb, deltaPosition.x, Axes.X)
             aabb += Vec3(delta.x, 0f, 0f)
             if (delta.x != deltaPosition.x) {
-                speedable.velocity.x = 0.0f
+                physicsEntity.velocity.x = 0.0f
             }
         }
         if (delta.z != 0.0f) {
             delta.z = collisionsToCheck.computeOffset(aabb, deltaPosition.z, Axes.Z)
             aabb += Vec3(0f, 0f, delta.z)
             if (delta.z != deltaPosition.z) {
-                speedable.velocity.z = 0.0f
+                physicsEntity.velocity.z = 0.0f
             }
         }
         if (delta.x != 0.0f && !xPriority) {
             delta.x = collisionsToCheck.computeOffset(aabb, deltaPosition.x, Axes.X)
             // no need to offset the aabb any more, as it won't be used any more
             if (delta.x != deltaPosition.x) {
-                speedable.velocity.x = 0.0f
+                physicsEntity.velocity.x = 0.0f
             }
         }
         if (delta.length() > deltaPosition.length() + Entity.STEP_HEIGHT) {

src/main/java/de/bixilon/minosoft/data/physics/PhysicsEntity.kt

@@ -15,7 +15,7 @@ package de.bixilon.minosoft.data.physics
 
 import glm_.vec3.Vec3
 
-interface Speedable {
+interface PhysicsEntity {
     val position: Vec3
     val velocity: Vec3
     var onGround: Boolean

src/main/java/de/bixilon/minosoft/data/player/LocalPlayerEntity.kt

@@ -16,6 +16,7 @@ import de.bixilon.minosoft.data.abilities.ItemCooldown
 import de.bixilon.minosoft.data.accounts.Account
 import de.bixilon.minosoft.data.entities.EntityRotation
 import de.bixilon.minosoft.data.entities.entities.player.PlayerEntity
+import de.bixilon.minosoft.data.entities.entities.player.RemotePlayerEntity
 import de.bixilon.minosoft.data.mappings.items.Item
 import de.bixilon.minosoft.data.mappings.other.containers.Container
 import de.bixilon.minosoft.data.mappings.other.containers.PlayerInventory
@@ -26,14 +27,13 @@ import de.bixilon.minosoft.util.KUtil.synchronizedMapOf
 import glm_.vec3.Vec3
 import glm_.vec3.Vec3i
 
-class Player(
+class LocalPlayerEntity(
     account: Account,
     connection: PlayConnection,
-) {
+) : PlayerEntity(connection, connection.registries.entityTypeRegistry[RemotePlayerEntity.RESOURCE_LOCATION]!!, Vec3.EMPTY, EntityRotation(0.0, 0.0), account.username) {
     val healthCondition = PlayerHealthCondition()
     val experienceCondition = PlayerExperienceCondition()
     var spawnPosition: Vec3i = Vec3i.EMPTY
-    val entity: PlayerEntity = PlayerEntity(connection, connection.registries.entityTypeRegistry[PlayerEntity.RESOURCE_LOCATION]!!, Vec3.EMPTY, EntityRotation(0.0, 0.0), account.username)
 
     @Deprecated(message = "Will be replaced with some kind of teleport manager, ...")
     var isSpawnConfirmed = false

src/main/java/de/bixilon/minosoft/data/world/World.kt

@@ -184,7 +184,7 @@ class World(
     }
 
     private fun randomTick(radius: Int) {
-        val blockPosition = connection.player.entity.position.blockPosition + { random.nextInt(radius) } - { random.nextInt(radius) }
+        val blockPosition = connection.player.position.blockPosition + { random.nextInt(radius) } - { random.nextInt(radius) }
 
         val blockState = this[blockPosition] ?: return
 

src/main/java/de/bixilon/minosoft/gui/rendering/chunk/block/outline/BlockOutlineRenderer.kt

@@ -150,7 +150,7 @@ class BlockOutlineRenderer(
             return
         }
 
-        if (connection.player.entity.gamemode == Gamemodes.ADVENTURE || connection.player.entity.gamemode == Gamemodes.SPECTATOR) {
+        if (connection.player.gamemode == Gamemodes.ADVENTURE || connection.player.gamemode == Gamemodes.SPECTATOR) {
             if (raycastHit.blockState.block.blockEntityType == null) {
                 unload()
                 return

src/main/java/de/bixilon/minosoft/gui/rendering/hud/nodes/debug/HUDWorldDebugNode.kt

@@ -76,7 +76,7 @@ class HUDWorldDebugNode(hudRenderer: HUDRenderer) : DebugScreenNode(hudRenderer)
 
 
         // ToDo: Prepare on change
-        gamemodeText.sText = "Gamemode: ${hudRenderer.connection.player.entity.gamemode.name.lowercase(Locale.getDefault())}"
+        gamemodeText.sText = "Gamemode: ${hudRenderer.connection.player.gamemode.name.lowercase(Locale.getDefault())}"
         positionText.sText = "XYZ ${getPosition()}"
         blockPositionText.sText = "Block ${getBlockPosition()}"
         chunkPositionText.sText = "Chunk ${getChunkLocation()}"

src/main/java/de/bixilon/minosoft/gui/rendering/input/LeftClickHandler.kt

@@ -91,7 +91,7 @@ class LeftClickHandler(
             return false
         }
 
-        if (!connection.player.entity.gamemode.canBreak) {
+        if (!connection.player.gamemode.canBreak) {
             cancelDigging()
             return false
         }
@@ -140,7 +140,7 @@ class LeftClickHandler(
         val canStartBreaking = currentTime - breakSent >= ProtocolDefinition.TICK_TIME
 
 
-        val canInstantBreak = connection.player.baseAbilities.canInstantBreak || connection.player.entity.gamemode == Gamemodes.CREATIVE
+        val canInstantBreak = connection.player.baseAbilities.canInstantBreak || connection.player.gamemode == Gamemodes.CREATIVE
 
         if (canInstantBreak) {
             if (!canStartBreaking) {
@@ -189,17 +189,17 @@ class LeftClickHandler(
             }
         }
 
-        connection.player.entity.activeStatusEffects[hasteStatusEffect]?.let {
+        connection.player.activeStatusEffects[hasteStatusEffect]?.let {
             speedMultiplier *= (0.2f * it.amplifier) + 1.0f
         }
 
-        connection.player.entity.activeStatusEffects[miningFatigueStatusEffect]?.let {
+        connection.player.activeStatusEffects[miningFatigueStatusEffect]?.let {
             speedMultiplier *= 0.3f.pow(it.amplifier + 1)
         }
 
         // ToDo: Check if is in water
 
-        if (!connection.player.entity.onGround) {
+        if (!connection.player.onGround) {
             speedMultiplier /= 5.0f
         }
 

src/main/java/de/bixilon/minosoft/gui/rendering/input/camera/Camera.kt

@@ -61,7 +61,7 @@ class Camera(
     private var lastMouseX = 0.0
     private var lastMouseY = 0.0
     val playerEntity: PlayerEntity
-        get() = connection.player.entity
+        get() = connection.player
     var yaw = 0.0
     var pitch = 0.0
     private var zoom = 0.0f
@@ -222,7 +222,7 @@ class Camera(
         if (renderWindow.inputHandler.currentKeyConsumer != null) { // ToDo
             return
         }
-        var cameraSpeed = if (connection.player.entity.isFlying) {
+        var cameraSpeed = if (connection.player.isFlying) {
             flyingSpeed
         } else {
             walkingSpeed

src/main/java/de/bixilon/minosoft/gui/rendering/particle/DefaultParticleFactory.kt

@@ -21,6 +21,8 @@ import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.Ex
 import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.dust.DustParticle
 import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.fire.SmokeParticle
 import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.lava.LavaParticle
+import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.spell.AmbientEntityEffectParticle
+import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.spell.EntityEffectParticle
 import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.suspend.DolphinParticle
 
 object DefaultParticleFactory : DefaultFactory<ParticleFactory<out Particle>>(
@@ -32,4 +34,6 @@ object DefaultParticleFactory : DefaultFactory<ParticleFactory<out Particle>>(
     SmokeParticle,
     DolphinParticle,
     DustParticle,
+    EntityEffectParticle,
+    AmbientEntityEffectParticle,
 )

src/main/java/de/bixilon/minosoft/gui/rendering/particle/types/Particle.kt

@@ -14,7 +14,7 @@
 package de.bixilon.minosoft.gui.rendering.particle.types
 
 import de.bixilon.minosoft.data.mappings.particle.data.ParticleData
-import de.bixilon.minosoft.data.physics.Speedable
+import de.bixilon.minosoft.data.physics.PhysicsEntity
 import de.bixilon.minosoft.gui.rendering.chunk.models.AABB
 import de.bixilon.minosoft.gui.rendering.particle.ParticleFactory
 import de.bixilon.minosoft.gui.rendering.particle.ParticleMesh
@@ -36,7 +36,7 @@ abstract class Particle(
     final override val position: Vec3,
     final override val velocity: Vec3 = Vec3.EMPTY,
     data: ParticleData? = null,
-) : Speedable {
+) : PhysicsEntity {
     protected val data: ParticleData = data ?: let {
         val resourceLocation = this::class.companionObjectInstance as ParticleFactory<*>
         connection.registries.particleTypeRegistry[resourceLocation]!!.default()

src/main/java/de/bixilon/minosoft/gui/rendering/particle/types/render/texture/simple/spell/AmbientEntityEffectParticle.kt

@@ -0,0 +1,37 @@
+/*
+ * Minosoft
+ * Copyright (C) 2021 Moritz Zwerger
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This software is not affiliated with Mojang AB, the original developer of Minecraft.
+ */
+
+package de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.spell
+
+import de.bixilon.minosoft.data.mappings.ResourceLocation
+import de.bixilon.minosoft.data.mappings.particle.data.ParticleData
+import de.bixilon.minosoft.data.text.RGBColor
+import de.bixilon.minosoft.gui.rendering.particle.ParticleFactory
+import de.bixilon.minosoft.protocol.network.connection.PlayConnection
+import de.bixilon.minosoft.util.KUtil.asResourceLocation
+import glm_.vec3.Vec3
+
+class AmbientEntityEffectParticle(connection: PlayConnection, position: Vec3, color: RGBColor, data: ParticleData? = null) : SpellParticle(connection, position, Vec3(color.red, color.green, color.blue), data) {
+
+    init {
+        this.color = color.with(alpha = 0.15f)
+    }
+
+    companion object : ParticleFactory<AmbientEntityEffectParticle> {
+        override val RESOURCE_LOCATION: ResourceLocation = "minecraft:ambient_entity_effect".asResourceLocation()
+
+        override fun build(connection: PlayConnection, position: Vec3, velocity: Vec3, data: ParticleData): AmbientEntityEffectParticle {
+            return AmbientEntityEffectParticle(connection, position, color = RGBColor(velocity.x, velocity.y, velocity.z), data)
+        }
+    }
+}

src/main/java/de/bixilon/minosoft/gui/rendering/particle/types/render/texture/simple/spell/EntityEffectParticle.kt

@@ -0,0 +1,37 @@
+/*
+ * Minosoft
+ * Copyright (C) 2021 Moritz Zwerger
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This software is not affiliated with Mojang AB, the original developer of Minecraft.
+ */
+
+package de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.spell
+
+import de.bixilon.minosoft.data.mappings.ResourceLocation
+import de.bixilon.minosoft.data.mappings.particle.data.ParticleData
+import de.bixilon.minosoft.data.text.RGBColor
+import de.bixilon.minosoft.gui.rendering.particle.ParticleFactory
+import de.bixilon.minosoft.protocol.network.connection.PlayConnection
+import de.bixilon.minosoft.util.KUtil.asResourceLocation
+import glm_.vec3.Vec3
+
+class EntityEffectParticle(connection: PlayConnection, position: Vec3, color: RGBColor, data: ParticleData? = null) : SpellParticle(connection, position, Vec3(color.red, color.green, color.blue), data) {
+
+    init {
+        this.color = color
+    }
+
+    companion object : ParticleFactory<EntityEffectParticle> {
+        override val RESOURCE_LOCATION: ResourceLocation = "minecraft:entity_effect".asResourceLocation()
+
+        override fun build(connection: PlayConnection, position: Vec3, velocity: Vec3, data: ParticleData): EntityEffectParticle {
+            return EntityEffectParticle(connection, position, color = RGBColor(velocity.x, velocity.y, velocity.z), data)
+        }
+    }
+}

src/main/java/de/bixilon/minosoft/gui/rendering/particle/types/render/texture/simple/spell/SpellParticle.kt

@@ -0,0 +1,46 @@
+/*
+ * Minosoft
+ * Copyright (C) 2021 Moritz Zwerger
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This software is not affiliated with Mojang AB, the original developer of Minecraft.
+ */
+
+package de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.spell
+
+import de.bixilon.minosoft.data.mappings.particle.data.ParticleData
+import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.SimpleTextureParticle
+import de.bixilon.minosoft.protocol.network.connection.PlayConnection
+import de.bixilon.minosoft.util.MMath
+import glm_.vec3.Vec3
+import kotlin.random.Random
+
+abstract class SpellParticle(connection: PlayConnection, position: Vec3, velocity: Vec3, data: ParticleData? = null) : SimpleTextureParticle(connection, position, Vec3(0.5f - Random.nextFloat(), velocity.y, 0.5 - Random.nextFloat()), data) {
+
+    init {
+        friction = 0.96f
+        gravityStrength = -0.1f
+        accelerateIfYBlocked = true
+        this.velocity.y *= 0.20000000298023224f
+        if (velocity.x == 0.0f && velocity.z == 0.0f) {
+            this.velocity.x *= 0.10000000149011612f
+            this.velocity.z *= 0.10000000149011612f
+        }
+        super.scale *= 0.75f
+        maxAge = (8.0f / (random.nextFloat() * 0.8f + 0.2f)).toInt()
+        this.physics = false
+
+        // ToDo: Toggle if using spyglass
+    }
+
+    override fun realTick() {
+        super.realTick()
+
+        color = color.with(alpha = MMath.lerp(0.05f, color.floatAlpha, 1.0f))
+    }
+}

src/main/java/de/bixilon/minosoft/protocol/network/connection/PlayConnection.kt

@@ -25,7 +25,7 @@ import de.bixilon.minosoft.data.mappings.recipes.Recipes
 import de.bixilon.minosoft.data.mappings.versions.Registries
 import de.bixilon.minosoft.data.mappings.versions.Version
 import de.bixilon.minosoft.data.physics.CollisionDetector
-import de.bixilon.minosoft.data.player.Player
+import de.bixilon.minosoft.data.player.LocalPlayerEntity
 import de.bixilon.minosoft.data.player.tab.TabList
 import de.bixilon.minosoft.data.scoreboard.ScoreboardManager
 import de.bixilon.minosoft.data.tags.Tag
@@ -75,7 +75,7 @@ class PlayConnection(
 
     var rendering: Rendering? = null
         private set
-    lateinit var player: Player
+    lateinit var player: LocalPlayerEntity
         private set
 
     private lateinit var entityTickTask: TimeWorkerTask
@@ -186,7 +186,7 @@ class PlayConnection(
             version.load(latch) // ToDo: show gui loader
             assetsManager = MultiAssetsManager(version.assetsManager, Minosoft.MINOSOFT_ASSETS_MANAGER, Minosoft.MINECRAFT_FALLBACK_ASSETS_MANAGER)
             registries.parentRegistries = version.registries
-            player = Player(account, this)
+            player = LocalPlayerEntity(account, this)
 
             if (!RenderConstants.DISABLE_RENDERING && !StaticConfiguration.HEADLESS_MODE) {
                 val renderer = Rendering(this)

src/main/java/de/bixilon/minosoft/protocol/packets/c2s/login/LoginStartC2SP.kt

@@ -12,7 +12,7 @@
  */
 package de.bixilon.minosoft.protocol.packets.c2s.login
 
-import de.bixilon.minosoft.data.player.Player
+import de.bixilon.minosoft.data.player.LocalPlayerEntity
 import de.bixilon.minosoft.protocol.packets.c2s.PlayC2SPacket
 import de.bixilon.minosoft.protocol.protocol.PlayOutByteBuffer
 import de.bixilon.minosoft.util.logging.Log
@@ -23,7 +23,7 @@ class LoginStartC2SP(
     val username: String,
 ) : PlayC2SPacket {
 
-    constructor(player: Player) : this(player.entity.name)
+    constructor(player: LocalPlayerEntity) : this(player.name)
 
     override fun write(buffer: PlayOutByteBuffer) {
         buffer.writeString(username)

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/login/LoginSuccessS2CP.kt

@@ -35,7 +35,7 @@ class LoginSuccessS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
     override fun handle(connection: PlayConnection) {
         connection.connectionState = ConnectionStates.PLAY
 
-        val playerEntity = connection.player.entity
+        val playerEntity = connection.player
         playerEntity.tabListItem.name = name
         playerEntity.tabListItem.displayName = ChatComponent.of(name)
 

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/ExplosionS2CP.kt

@@ -41,7 +41,7 @@ class ExplosionS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
             val blockPosition = Vec3i(position + record)
             connection.world.setBlockState(blockPosition, null)
         }
-        connection.player.entity.velocity = connection.player.entity.velocity + velocity
+        connection.player.velocity = connection.player.velocity + velocity
 
         connection.fireEvent(ExplosionEvent(connection, this))
     }

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/JoinGameS2CP.kt

@@ -136,7 +136,7 @@ class JoinGameS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
         if (connection.fireEvent(JoinGameEvent(connection, this))) {
             return
         }
-        val playerEntity = connection.player.entity
+        val playerEntity = connection.player
         playerEntity.tabListItem.gamemode = gamemode
 
         connection.world.hardcore = isHardcore

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/PlayerAbilitiesS2CP.kt

@@ -46,7 +46,7 @@ class PlayerAbilitiesS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
     }
 
     override fun log() {
-        Log.log(LogMessageType.NETWORK_PACKETS_IN, level = LogLevels.VERBOSE) { "Player abilities: (isInvulnerable=$isInvulnerable, isFlying=$isFlying, canFly=$canFly, canInstantBuild=$canInstantBuild, flyingSpeed=$flyingSpeed, walkingSpeed=$walkingSpeed)" }
+        Log.log(LogMessageType.NETWORK_PACKETS_IN, level = LogLevels.VERBOSE) { "LocalPlayerEntity abilities: (isInvulnerable=$isInvulnerable, isFlying=$isFlying, canFly=$canFly, canInstantBuild=$canInstantBuild, flyingSpeed=$flyingSpeed, walkingSpeed=$walkingSpeed)" }
     }
 
     override fun handle(connection: PlayConnection) {

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/PlayerEntitySpawnS2CP.kt

@@ -16,6 +16,7 @@ import de.bixilon.minosoft.config.StaticConfiguration
 import de.bixilon.minosoft.data.PlayerPropertyData
 import de.bixilon.minosoft.data.entities.EntityRotation
 import de.bixilon.minosoft.data.entities.entities.player.PlayerEntity
+import de.bixilon.minosoft.data.entities.entities.player.RemotePlayerEntity
 import de.bixilon.minosoft.data.entities.meta.EntityMetaData
 import de.bixilon.minosoft.modding.event.events.EntitySpawnEvent
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
@@ -66,9 +67,9 @@ class PlayerEntitySpawnS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
         if (buffer.versionId < ProtocolVersions.V_19W34A) {
             metaData = buffer.readMetaData()
         }
-        entity = PlayerEntity(
+        entity = RemotePlayerEntity(
             connection = buffer.connection,
-            entityType = buffer.connection.registries.entityTypeRegistry[PlayerEntity.RESOURCE_LOCATION]!!,
+            entityType = buffer.connection.registries.entityTypeRegistry[RemotePlayerEntity.RESOURCE_LOCATION]!!,
             position = position,
             rotation = EntityRotation(yaw.toFloat(), pitch.toFloat(), 0.0f),
             name = name,
@@ -91,6 +92,6 @@ class PlayerEntitySpawnS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
     }
 
     override fun log() {
-        Log.log(LogMessageType.NETWORK_PACKETS_IN, level = LogLevels.VERBOSE) { "Player entity spawn (position=${entity.position}, entityId=$entityId, name=${entity.name}, uuid=$entityUUID)" }
+        Log.log(LogMessageType.NETWORK_PACKETS_IN, level = LogLevels.VERBOSE) { "LocalPlayerEntity entity spawn (position=${entity.position}, entityId=$entityId, name=${entity.name}, uuid=$entityUUID)" }
     }
 }

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/PositionAndRotationS2CP.kt

@@ -51,7 +51,7 @@ class PositionAndRotationS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
     }
 
     override fun handle(connection: PlayConnection) {
-        val entity = connection.player.entity
+        val entity = connection.player
         // correct position with flags (relative position possible)
         if (BitByte.isBitMask(flags, 0x01)) {
             position.x += entity.position.x
@@ -82,6 +82,6 @@ class PositionAndRotationS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
     }
 
     override fun log() {
-        Log.log(LogMessageType.NETWORK_PACKETS_IN, level = LogLevels.VERBOSE) { "Player position (position=$position, rotation=$rotation, onGround=$isOnGround)" }
+        Log.log(LogMessageType.NETWORK_PACKETS_IN, level = LogLevels.VERBOSE) { "LocalPlayerEntity position (position=$position, rotation=$rotation, onGround=$isOnGround)" }
     }
 }

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/RespawnS2CP.kt

@@ -89,8 +89,8 @@ class RespawnS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
         connection.world.chunks.clear()
         connection.world.dimension = dimension
         connection.player.isSpawnConfirmed = false
-        connection.player.entity.tabListItem.gamemode = gamemode
-        connection.player.entity.velocity = Vec3()
+        connection.player.tabListItem.gamemode = gamemode
+        connection.player.velocity = Vec3()
 
         connection.fireEvent(RespawnEvent(connection, this))
     }

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/TabListDataS2CP.kt

@@ -158,7 +158,7 @@ class TabListDataS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
             } ?: continue
 
 
-            if (entity === connection.player.entity) {
+            if (entity === connection.player) {
                 entity.tabListItem.specialMerge(data)
                 continue
             }

src/main/java/de/bixilon/minosoft/util/MMath.kt

@@ -97,10 +97,15 @@ object MMath {
 
     val Float.ceilInt: Int get() = glm.ceil(this).toInt()
 
-    val Boolean.positiveNegative: Int get() =
-        if (this) {
-            1
-        } else {
-            -1
-        }
+    val Boolean.positiveNegative: Int
+        get() =
+            if (this) {
+                1
+            } else {
+                -1
+            }
+
+    fun lerp(delta: Float, start: Float, end: Float): Float {
+        return start + delta * (end - start)
+    }
 }