minor changes to facing stuff casino and structure placement

src/main/resources/data/szar/tags/worldgen/biome/normal_land.json

@@ -0,0 +1,41 @@
+{
+  "replace": false,
+  "values": [
+    "minecraft:badlands",
+    "minecraft:bamboo_jungle",
+    "minecraft:beach",
+    "minecraft:birch_forest",
+    "minecraft:dark_forest",
+    "minecraft:deep_dark",
+    "minecraft:desert",
+    "minecraft:eroded_badlands",
+    "minecraft:flower_forest",
+    "minecraft:forest",
+    "minecraft:grove",
+    "minecraft:ice_spikes",
+    "minecraft:jagged_peaks",
+    "minecraft:jungle",
+    "minecraft:meadow",
+    "minecraft:mushroom_fields",
+    "minecraft:old_growth_birch_forest",
+    "minecraft:old_growth_pine_taiga",
+    "minecraft:old_growth_spruce_taiga",
+    "minecraft:plains",
+    "minecraft:savanna",
+    "minecraft:savanna_plateau",
+    "minecraft:snowy_beach",
+    "minecraft:snowy_plains",
+    "minecraft:snowy_slopes",
+    "minecraft:snowy_taiga",
+    "minecraft:sparse_jungle",
+    "minecraft:stony_peaks",
+    "minecraft:stony_shore",
+    "minecraft:sunflower_plains",
+    "minecraft:taiga",
+    "minecraft:windswept_forest",
+    "minecraft:windswept_gravelly_hills",
+    "minecraft:windswept_hills",
+    "minecraft:windswept_savanna",
+    "minecraft:wooded_badlands"
+  ]
+}

src/main/resources/data/szar/worldgen/structure/casino.json

@@ -1,6 +1,6 @@
 {
   "type": "szar:casino",
-  "biomes": "#minecraft:is_overworld",
+  "biomes": "#szar:normal_land",
   "step": "surface_structures",
   "terrain_adaptation": "beard_thin",
   "spawn_overrides": {},

src/main/resources/data/szar/worldgen/structure/two_towers.json

@@ -1,6 +1,6 @@
 {
   "type": "szar:two_towers",
-  "biomes": "#minecraft:is_overworld",
+  "biomes": "#szar:normal_land",
   "spawn_overrides": {},
   "step": "surface_structures",
   "terrain_adaptation": "beard_thin"