optimize physics a bit

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

@@ -43,6 +43,7 @@ class EntityRenderInfo(private val entity: Entity) : Drawable, Tickable {
 
 
     private fun interpolatePosition(delta: Float) {
+        // TODO: Only interpolate if changed
         position = Vec3Util.interpolateLinear(delta, position0, position1)
         eyePosition = position + Vec3(0.0f, entity.eyeHeight, 0.0f)
         cameraAABB = entity.defaultAABB + position

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

@@ -62,15 +62,17 @@ abstract class Entity(
     open val clientControlled: Boolean get() = primaryPassenger is LocalPlayerEntity
 
     open val dimensions = Vec2(type.width, type.height)
-    val defaultAABB: AABB
+    open val defaultAABB: AABB = createDefaultAABB()
-        get() {
-            val halfWidth = dimensions.x / 2
-            return AABB(Vec3(-halfWidth, 0.0f, -halfWidth), Vec3(halfWidth, dimensions.y, halfWidth))
-        }
 
     open val mountHeightOffset: Double get() = dimensions.y * 0.75
     open val heightOffset: Double get() = 0.0
-    
+
+
+    protected fun createDefaultAABB(): AABB {
+        val halfWidth = dimensions.x / 2
+        return AABB(Vec3(-halfWidth, 0.0f, -halfWidth), Vec3(halfWidth, dimensions.y, halfWidth))
+    }
+
     open fun getDimensions(pose: Poses): Vec2? {
         return dimensions
     }

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

@@ -32,6 +32,7 @@ import de.bixilon.minosoft.data.entities.entities.SynchronizedEntityData
 import de.bixilon.minosoft.data.entities.entities.player.additional.PlayerAdditional
 import de.bixilon.minosoft.data.registries.entities.EntityType
 import de.bixilon.minosoft.data.registries.item.items.dye.DyeableItem
+import de.bixilon.minosoft.data.registries.shapes.aabb.AABB
 import de.bixilon.minosoft.data.text.formatting.color.ChatColors
 import de.bixilon.minosoft.data.text.formatting.color.RGBColor
 import de.bixilon.minosoft.gui.rendering.entity.EntityRenderer
@@ -79,6 +80,16 @@ abstract class PlayerEntity(
     val score: Int
         get() = data.get(SCORE_DATA, 0)
 
+    protected var aabbPose = pose
+    override var defaultAABB: AABB = createDefaultAABB()
+        get() {
+            val pose = pose
+            if (aabbPose == pose) return field
+            field = createDefaultAABB()
+            aabbPose = pose
+            return field
+        }
+
     val skinParts: MutableSet<SkinParts> by observedSet(mutableSetOf())
 
 

src/main/java/de/bixilon/minosoft/data/registries/shapes/voxel/AbstractVoxelShape.kt

@@ -24,6 +24,7 @@ import de.bixilon.minosoft.gui.rendering.util.VecUtil.toVec3d
 import de.bixilon.minosoft.gui.rendering.util.vec.vec3.Vec3Util.get
 import de.bixilon.minosoft.gui.rendering.util.vec.vec3.Vec3dUtil.max
 import de.bixilon.minosoft.gui.rendering.util.vec.vec3.Vec3dUtil.min
+import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet
 
 abstract class AbstractVoxelShape : Iterable<AABB> {
     abstract val aabbs: Int
@@ -109,7 +110,7 @@ abstract class AbstractVoxelShape : Iterable<AABB> {
             when (data) {
                 is Int -> return this[data]
                 is Collection<*> -> {
-                    val aabbs: MutableSet<AABB> = mutableSetOf()
+                    val aabbs: MutableSet<AABB> = ObjectOpenHashSet()
                     for (id in data) {
                         aabbs += this[id.toInt()]
                     }
@@ -123,7 +124,7 @@ abstract class AbstractVoxelShape : Iterable<AABB> {
             when (data) {
                 is Int -> return VoxelShape(aabbs[data])
                 is Collection<*> -> {
-                    val shape: MutableSet<AABB> = mutableSetOf()
+                    val shape: MutableSet<AABB> = ObjectOpenHashSet()
                     for (id in data) {
                         shape += aabbs[id.toInt()]
                     }

src/main/java/de/bixilon/minosoft/physics/parts/CollisionMovementPhysics.kt

@@ -31,12 +31,13 @@ import de.bixilon.minosoft.data.world.positions.ChunkPositionUtil.inChunkPositio
 import de.bixilon.minosoft.gui.rendering.util.vec.vec3.Vec3Util.set
 import de.bixilon.minosoft.gui.rendering.util.vec.vec3.Vec3dUtil.EMPTY
 import de.bixilon.minosoft.physics.entities.EntityPhysics
+import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet
 import kotlin.math.abs
 
 object CollisionMovementPhysics {
 
     fun World.collectCollisions(context: CollisionContext, movement: Vec3d, aabb: AABB, chunk: Chunk?, predicate: CollisionPredicate? = null): VoxelShape {
-        val shapes: MutableSet<AABB> = hashSetOf()
+        val shapes: MutableSet<AABB> = ObjectOpenHashSet()
         // TODO: add entity collisions (boat, shulker)
         // TODO: add world border collision shape