diff --git a/src/main/java/carpet/script/CarpetExpression.java b/src/main/java/carpet/script/CarpetExpression.java
index e4a2a5b8..9b2de403 100644
--- a/src/main/java/carpet/script/CarpetExpression.java
+++ b/src/main/java/carpet/script/CarpetExpression.java
@@ -1088,6 +1088,9 @@ public class CarpetExpression
         this.expr.addLazyFunction("see_sky", -1, (c, t, lv) ->
                 genericStateTest(c, "see_sky", lv, (s, p, w) -> new NumericValue(w.isSkyVisible(p))));
 
+        this.expr.addLazyFunction("brightness", -1, (c, t, lv) ->
+                genericStateTest(c, "brightness", lv, (s, p, w) -> new NumericValue(w.getBrightness(p))));
+
         this.expr.addLazyFunction("hardness", -1, (c, t, lv) ->
                 genericStateTest(c, "hardness", lv, (s, p, w) -> new NumericValue(s.getHardness(w, p))));
 
diff --git a/src/main/java/carpet/utils/PerimeterDiagnostics.java b/src/main/java/carpet/utils/PerimeterDiagnostics.java
index 42d471a9..0c17515c 100644
--- a/src/main/java/carpet/utils/PerimeterDiagnostics.java
+++ b/src/main/java/carpet/utils/PerimeterDiagnostics.java
@@ -177,7 +177,7 @@ public class PerimeterDiagnostics
         if (SpawnHelper.canSpawn(spt, worldServer, pos, sle.type))
         {
             el.refreshPositionAndAngles((float)pos.getX() + 0.5F, (float)pos.getY(), (float)pos.getZ()+0.5F, 0.0F, 0.0F);
-            return el.canSpawn(worldServer) &&
+            return el.canSpawn(worldServer) && el.canSpawn(worldServer, SpawnType.NATURAL) &&
                     SpawnRestriction.canSpawn(el.getType(),el.getEntityWorld(), SpawnType.NATURAL, el.getSenseCenterPos(), el.getEntityWorld().random) &&
                     worldServer.doesNotCollide(el); // check collision rules once they stop fiddling with them after 1.14.1
         }
diff --git a/src/main/java/carpet/utils/SpawnReporter.java b/src/main/java/carpet/utils/SpawnReporter.java
index 8134f406..f474ae02 100644
--- a/src/main/java/carpet/utils/SpawnReporter.java
+++ b/src/main/java/carpet/utils/SpawnReporter.java
@@ -436,10 +436,15 @@ public class SpawnReporter
                             float f1 = (float)z + 0.5F;
                             mob.refreshPositionAndAngles((double)f, (double)y, (double)f1, worldIn.random.nextFloat() * 360.0F, 0.0F);
                             fits1 = worldIn.doesNotCollide(mob);
-                            
+                            EntityType etype = mob.getType();
+
                             for (int i = 0; i < 20; ++i)
                             {
-                                if (SpawnRestriction.canSpawn(mob.getType(),mob.getEntityWorld(), SpawnType.NATURAL, mob.getSenseCenterPos(), mob.getEntityWorld().random))
+                                if (
+                                        SpawnRestriction.canSpawn(etype,worldIn, SpawnType.NATURAL, pos, worldIn.random) &&
+                                        SpawnHelper.canSpawn(SpawnRestriction.getLocation(etype), worldIn, pos, etype) &&
+                                        mob.canSpawn(worldIn, SpawnType.NATURAL) // && mob.canSpawn(worldIn) // entity collisions
+                                )
                                 {
                                     will_spawn += 1;
                                 }