fix: new world from world portal not updating world ref of IngameRenderer

src/net/torvald/terrarum/modulebasegame/IngameRenderer.kt

@@ -175,6 +175,9 @@ object IngameRenderer : Disposable {
      * - When the game make transition to the new world (advancing to the next level/entering or exiting the room)
      */
     fun setRenderedWorld(world: GameWorld) {
+        printdbg(this, "Set new RenderedWorld (UUID=${world.worldIndex}) at time ${System.currentTimeMillis()}, called by:")
+        printStackTrace(this)
+
         try {
             if (this.world != world) {
 //                    printdbg(this, "World change detected -- " +

src/net/torvald/terrarum/modulebasegame/WorldgenLoadScreen.kt

@@ -52,6 +52,8 @@ class WorldgenLoadScreen(screenToBeLoaded: IngameInstance, private val worldwidt
 
         previewPixmap.setColor(Color.BLACK)
         previewPixmap.fill()
+
+        IngameRenderer.setRenderedWorld(world)
     }
 
     override fun render(delta: Float) {

src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt

@@ -201,6 +201,7 @@ internal object BlocksDrawer {
         }
         catch (e: ClassCastException) { }
 
+        if (!world.layerTerrain.ptrDestroyed) {
             measureDebugTime("Renderer.Tiling") {
                 drawTiles(WALL)
                 drawTiles(TERRAIN) // regular tiles
@@ -209,6 +210,7 @@ internal object BlocksDrawer {
                 //drawTiles(WIRE)
             }
         }
+    }
 
     internal fun drawWall(projectionMatrix: Matrix4, drawGlow: Boolean) {
         gdxBlendNormalStraightAlpha()

src/net/torvald/terrarum/worlddrawer/LightmapRenderer.kt

@@ -139,7 +139,9 @@ object LightmapRenderer {
         printdbg(this, "Overscan open: $overscan_open; opaque: $overscan_opaque")
     }
 
-    fun recalculate(actorContainer: List<ActorWithBody>) = _recalculate(actorContainer, lightmap)
+    fun recalculate(actorContainer: List<ActorWithBody>) {
+        if (!world.layerTerrain.ptrDestroyed) _recalculate(actorContainer, lightmap)
+    }
 
     private fun _recalculate(actorContainer: List<ActorWithBody>, lightmap: UnsafeCvecArray) {
         try {
@@ -661,6 +663,7 @@ object LightmapRenderer {
 
     internal fun draw(): Texture {
 
+        if (!world.layerTerrain.ptrDestroyed) {
             // when shader is not used: 0.5 ms on 6700K
             App.measureDebugTime("Renderer.LightToScreen") {
 
@@ -670,7 +673,8 @@ object LightmapRenderer {
                 val this_y_end = for_draw_y_end
 
                 // wipe out beforehand. You DO need this
-            lightBuffer.blending = Pixmap.Blending.None // gonna overwrite (remove this line causes the world to go bit darker)
+                lightBuffer.blending =
+                    Pixmap.Blending.None // gonna overwrite (remove this line causes the world to go bit darker)
                 lightBuffer.setColor(0)
                 lightBuffer.fill()
 
@@ -736,6 +740,7 @@ object LightmapRenderer {
             batch.draw(_lightBufferAsTex, 0f, 0f, _lightBufferAsTex.width * DRAW_TILE_SIZE, _lightBufferAsTex.height * DRAW_TILE_SIZE)
             */
             }
+        }
 
         return _lightBufferAsTex
     }