feat: spawn projected people

common/src/main/kotlin/quaedam/projection/swarm/SwarmProjectionEffect.kt

@@ -3,10 +3,14 @@ package quaedam.projection.swarm
 import net.minecraft.core.BlockPos
 import net.minecraft.nbt.CompoundTag
 import net.minecraft.server.level.ServerLevel
+import net.minecraft.world.entity.MobSpawnType
+import net.minecraft.world.level.levelgen.Heightmap
 import quaedam.projection.ProjectionEffect
+import quaedam.projector.ProjectorBlockEntity
+import kotlin.math.min
 
 data class SwarmProjectionEffect(
-    var maxCount: Int = 10,
+    var maxCount: Int = 100,
 ) : ProjectionEffect() {
 
     companion object {
@@ -25,6 +29,20 @@ data class SwarmProjectionEffect(
     }
 
     override fun randomTick(level: ServerLevel, pos: BlockPos) {
+        val projector = level.getBlockEntity(pos) as ProjectorBlockEntity
+        val entities = level.getEntitiesOfClass(ProjectedPersonEntity::class.java, projector.effectAreaAABB).size
+        if (entities < maxCount) {
+            val area = projector.effectArea
+            for (i in 0..(min(level.random.nextInt(maxCount - entities), 6))) {
+                var spawnPos = BlockPos(
+                    level.random.nextInt(area.minX(), area.maxX()),
+                    level.random.nextInt(area.minY(), area.maxY()),
+                    level.random.nextInt(area.minZ(), area.maxZ()),
+                )
+                spawnPos = spawnPos.atY(level.getHeight(Heightmap.Types.WORLD_SURFACE, spawnPos.x, spawnPos.z))
+                ProjectedPersonEntity.entity.get().spawn(level, spawnPos, MobSpawnType.TRIGGERED)
+            }
+        }
     }
 
 }

common/src/main/kotlin/quaedam/projection/swarm/ai/ExchangeItem.kt

@@ -29,6 +29,7 @@ class ExchangeItem<E> : Behavior<E>(
         target = entity.brain.getMemory(NearestVisibleContainer.memory.get()).get()
         closeAt = null
         entity.brain.setMemory(MemoryModuleType.WALK_TARGET, WalkTarget(target!!, 1.0f, 2))
+        entity.brain.eraseMemory(MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE)
     }
 
     override fun canStillUse(level: ServerLevel, entity: E, l: Long) =
@@ -54,6 +55,7 @@ class ExchangeItem<E> : Behavior<E>(
 
     override fun stop(level: ServerLevel, entity: E, l: Long) {
         entity.brain.eraseMemory(MemoryModuleType.WALK_TARGET)
+        entity.brain.eraseMemory(MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE)
         if (closeAt != null) {
             // opened
             val chest = level.getBlockEntity(target!!)!!
@@ -108,13 +110,11 @@ class ExchangeItem<E> : Behavior<E>(
                                 val targetItem = container.getItem(target)
                                 if (targetItem.isEmpty) {
                                     container.setItem(target, takeItem.copyAndClear())
-                                    println("put all at $target")
                                     break
                                 }
                             }
                         }
                         val putCount = takeCount - takeItem.count
-                        println("put $putCount")
                         item.shrink(putCount)
                         container.setItem(slot, item)
                     }

common/src/main/kotlin/quaedam/projection/swarm/ai/LostItem.kt

@@ -4,9 +4,9 @@ import net.minecraft.world.entity.LivingEntity
 import net.minecraft.world.entity.ai.behavior.OneShot
 import net.minecraft.world.entity.ai.behavior.declarative.BehaviorBuilder
 import net.minecraft.world.entity.ai.behavior.declarative.Trigger
+import net.minecraft.world.entity.item.ItemEntity
 import net.minecraft.world.entity.npc.InventoryCarrier
 import net.minecraft.world.entity.schedule.Activity
-import net.minecraft.world.level.block.Block
 
 @Suppress("FunctionName")
 fun <E> LostItem(chance: Int): OneShot<E>
@@ -20,7 +20,7 @@ fun <E> LostItem(chance: Int): OneShot<E>
             val count = level.random.nextInt(item.count)
             item.shrink(count)
             inventory.setChanged()
-            Block.popResource(level, entity.blockPosition(), item.copyWithCount(count))
+            level.addFreshEntity(ItemEntity(level, entity.x, entity.y + 0.25, entity.z, item.copyWithCount(count)))
         }
         return@Trigger true
     })

common/src/main/kotlin/quaedam/projection/swarm/ai/ProjectedPersonAI.kt

@@ -76,8 +76,8 @@ object ProjectedPersonAI {
         listOf(
             SensorType.NEAREST_LIVING_ENTITIES,
             SensorType.NEAREST_PLAYERS,
-            SensorType.HURT_BY,
             SensorType.NEAREST_ITEMS,
+            SensorType.HURT_BY,
             BedInChunkSensor.sensor.get(),
             NearestVisibleContainer.sensor.get(),
         )

common/src/main/kotlin/quaedam/projector/ProjectorBlockEntity.kt

@@ -12,6 +12,7 @@ import net.minecraft.world.level.ChunkPos
 import net.minecraft.world.level.block.entity.BlockEntity
 import net.minecraft.world.level.block.state.BlockState
 import net.minecraft.world.level.levelgen.structure.BoundingBox
+import net.minecraft.world.phys.AABB
 import quaedam.projection.ProjectionEffect
 import quaedam.projection.ProjectionEffectType
 import quaedam.projection.ProjectionProvider
@@ -27,13 +28,19 @@ class ProjectorBlockEntity(pos: BlockPos, state: BlockState) :
     }
 
     val effectArea: BoundingBox by lazy {
-        val chunk = level!!.getChunk(pos).pos
         val (minChunk, maxChunk) = effectAreaChunk
         val minBlock = BlockPos(minChunk.minBlockX, level!!.minBuildHeight, minChunk.minBlockZ)
         val maxBlock = BlockPos(maxChunk.maxBlockX, level!!.maxBuildHeight, maxChunk.maxBlockZ)
         BoundingBox.fromCorners(minBlock, maxBlock)
     }
 
+    val effectAreaAABB by lazy {
+        val (minChunk, maxChunk) = effectAreaChunk
+        val minBlock = BlockPos(minChunk.minBlockX, level!!.minBuildHeight, minChunk.minBlockZ)
+        val maxBlock = BlockPos(maxChunk.maxBlockX, level!!.maxBuildHeight, maxChunk.maxBlockZ)
+        AABB(minBlock, maxBlock)
+    }
+
     val checkArea: BoundingBox by lazy {
         BoundingBox.fromCorners(pos.offset(-2, -1, -2), pos.offset(2, -2, 2))
     }