diff --git a/src/net/torvald/UnsafePtr.kt b/src/net/torvald/UnsafePtr.kt
index e962a7918..998f0c2e9 100644
--- a/src/net/torvald/UnsafePtr.kt
+++ b/src/net/torvald/UnsafePtr.kt
@@ -74,4 +74,5 @@ class UnsafePtr(val ptr: Long, val allocSize: Long) {
     }
 
     override fun toString() = "0x${ptr.toString(16)} with size $allocSize"
+    override fun equals(other: Any?) = this.ptr == (other as UnsafePtr).ptr
 }
\ No newline at end of file
diff --git a/src/net/torvald/terrarum/TitleScreen.kt b/src/net/torvald/terrarum/TitleScreen.kt
index 857818eea..7fbcc55da 100644
--- a/src/net/torvald/terrarum/TitleScreen.kt
+++ b/src/net/torvald/terrarum/TitleScreen.kt
@@ -13,6 +13,7 @@ import com.badlogic.gdx.graphics.glutils.FrameBuffer
 import com.jme3.math.FastMath
 import net.torvald.random.HQRNG
 import net.torvald.terrarum.AppLoader.printdbg
+import net.torvald.terrarum.AppLoader.printdbgerr
 import net.torvald.terrarum.blockproperties.BlockCodex
 import net.torvald.terrarum.gameactors.*
 import net.torvald.terrarum.gameactors.ai.ActorAI
@@ -29,7 +30,6 @@ import net.torvald.terrarum.modulebasegame.ui.UITitleRemoConYaml
 import net.torvald.terrarum.modulebasegame.weather.WeatherMixer
 import net.torvald.terrarum.ui.UICanvas
 import net.torvald.terrarum.worlddrawer.CreateTileAtlas
-import net.torvald.terrarum.worlddrawer.LightmapRenderer
 import net.torvald.terrarum.worlddrawer.WorldCamera
 
 /**
@@ -226,10 +226,6 @@ class TitleScreen(val batch: SpriteBatch) : Screen {
 
         // update UIs //
         uiContainer.forEach { it.update(delta) }
-
-
-
-        LightmapRenderer.fireRecalculateEvent() // don't half-frame update; it will jitter!
     }
 
     fun renderScreen() {
@@ -242,11 +238,11 @@ class TitleScreen(val batch: SpriteBatch) : Screen {
         gdxClearAndSetBlend(.64f, .754f, .84f, 1f)
 
 
-        if (!demoWorld.disposed) { // FIXME q&d hack to circumvent the dangling pointer issue #26
+        if (!demoWorld.layerTerrain.ptr.destroyed) { // FIXME q&d hack to circumvent the dangling pointer issue #26
             IngameRenderer.invoke(gamePaused = false, uisToDraw = uiContainer)
         }
         else {
-            System.err.println("[TitleScreen] demoworld is already destroyed")
+            printdbgerr(this, "Demoworld is already been destroyed")
         }
 
 
diff --git a/src/net/torvald/terrarum/gameworld/BlockLayer.kt b/src/net/torvald/terrarum/gameworld/BlockLayer.kt
index 19cf6bb4c..ac9a844cc 100644
--- a/src/net/torvald/terrarum/gameworld/BlockLayer.kt
+++ b/src/net/torvald/terrarum/gameworld/BlockLayer.kt
@@ -2,6 +2,7 @@ package net.torvald.terrarum.gameworld
 
 import com.badlogic.gdx.utils.Disposable
 import net.torvald.UnsafeHelper
+import net.torvald.UnsafePtr
 import net.torvald.terrarum.AppLoader.printdbg
 
 /**
@@ -13,7 +14,7 @@ import net.torvald.terrarum.AppLoader.printdbg
 open class BlockLayer(val width: Int, val height: Int) : Disposable {
 
     // using unsafe pointer gets you 100 fps, whereas using directbytebuffer gets you 90
-    private val ptr = UnsafeHelper.allocate(width * height * BYTES_PER_BLOCK)
+    internal val ptr: UnsafePtr = UnsafeHelper.allocate(width * height * BYTES_PER_BLOCK)
 
     //private val directByteBuffer: ByteBuffer
 
@@ -142,8 +143,6 @@ open class BlockLayer(val width: Int, val height: Int) : Disposable {
         printdbg(this, "BlockLayer successfully freed")
     }
 
-    internal fun getPtr() = ptr
-
     companion object {
         @Transient val BYTES_PER_BLOCK = 2L
     }
diff --git a/src/net/torvald/terrarum/gameworld/GameWorld.kt b/src/net/torvald/terrarum/gameworld/GameWorld.kt
index 344f8c51a..97a307846 100644
--- a/src/net/torvald/terrarum/gameworld/GameWorld.kt
+++ b/src/net/torvald/terrarum/gameworld/GameWorld.kt
@@ -472,6 +472,8 @@ open class GameWorld : Disposable {
         disposed = true
     }
 
+    override fun equals(other: Any?) = layerTerrain.ptr == (other as GameWorld).layerTerrain.ptr
+
     companion object {
         @Transient const val WALL = 0
         @Transient const val TERRAIN = 1
diff --git a/src/net/torvald/terrarum/modulebasegame/BuildingMaker.kt b/src/net/torvald/terrarum/modulebasegame/BuildingMaker.kt
index ea41e4b11..3b798d671 100644
--- a/src/net/torvald/terrarum/modulebasegame/BuildingMaker.kt
+++ b/src/net/torvald/terrarum/modulebasegame/BuildingMaker.kt
@@ -28,7 +28,6 @@ import net.torvald.terrarum.serialise.toULittle48
 import net.torvald.terrarum.ui.UICanvas
 import net.torvald.terrarum.ui.UINSMenu
 import net.torvald.terrarum.worlddrawer.CreateTileAtlas.TILE_SIZE
-import net.torvald.terrarum.worlddrawer.LightmapRenderer
 import net.torvald.terrarum.worlddrawer.WorldCamera
 import java.io.File
 import java.io.FileOutputStream
@@ -309,7 +308,6 @@ class BuildingMaker(batch: SpriteBatch) : IngameInstance(batch) {
 
 
         IngameRenderer.setWorld(gameWorld)
-        LightmapRenderer.fireRecalculateEvent()
     }
 
     override fun show() {
diff --git a/src/net/torvald/terrarum/modulebasegame/Ingame.kt b/src/net/torvald/terrarum/modulebasegame/Ingame.kt
index 5eefcfba4..dac1e5ad7 100644
--- a/src/net/torvald/terrarum/modulebasegame/Ingame.kt
+++ b/src/net/torvald/terrarum/modulebasegame/Ingame.kt
@@ -32,7 +32,6 @@ import net.torvald.terrarum.ui.UICanvas
 import net.torvald.terrarum.worlddrawer.CreateTileAtlas
 import net.torvald.terrarum.worlddrawer.CreateTileAtlas.TILE_SIZE
 import net.torvald.terrarum.worlddrawer.FeaturesDrawer
-import net.torvald.terrarum.worlddrawer.LightmapRenderer
 import net.torvald.terrarum.worlddrawer.WorldCamera
 import net.torvald.util.CircularArray
 import java.util.*
@@ -377,14 +376,8 @@ open class Ingame(batch: SpriteBatch) : IngameInstance(batch) {
         // these need to appear on top of any others
         uiContainer.add(notifier)
 
-
-        LightmapRenderer.fireRecalculateEvent()
-
-
         AppLoader.setDebugTime("Ingame.updateCounter", 0)
 
-
-
         // some sketchy test code here
 
 
@@ -963,7 +956,7 @@ open class Ingame(batch: SpriteBatch) : IngameInstance(batch) {
 
 
         if (gameInitialised) {
-            LightmapRenderer.fireRecalculateEvent()
+            //LightmapRenderer.fireRecalculateEvent()
         }
 
 
diff --git a/src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt b/src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt
index 114a2afb5..f49f0ff69 100644
--- a/src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt
+++ b/src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt
@@ -69,6 +69,8 @@ object LightmapRenderer {
         }
         finally {
             this.world = world
+
+            // fireRecalculateEvent()
         }
     }
 
@@ -214,7 +216,7 @@ object LightmapRenderer {
         }
         catch (e: NullPointerException) {
             System.err.println("[LightmapRendererNew.fireRecalculateEvent] Attempted to refer destroyed unsafe array " +
-                               "(${world.layerTerrain.getPtr()})")
+                               "(${world.layerTerrain.ptr})")
             e.printStackTrace()
             return // something's wrong but we'll ignore it like a trustful AK
         }