add red desert wells

biomes/land/dry/desert/red/red_desert.yml

@@ -9,4 +9,8 @@ tags:
 
 palette:
   - RED_SAND: $meta.yml:top-y
-  - << meta.yml:palette-bottom
+  - << meta.yml:palette-bottom
+
+landforms:
+  - RED_DESERT_WELLS
+  - MOB_ROOMS

features/misc/red_desert_wells.yml

@@ -0,0 +1,19 @@
+id: DESERT_WELLS
+type: FEATURE
+
+distributor:
+  type: PADDED_GRID
+  width: 100
+  padding: 45
+  salt: 7863
+
+locator:
+  type: TOP
+  range: &range
+    min: ${meta.yml:ocean-level} + 3
+    max: $meta.yml:top-y
+
+structures:
+  distribution:
+    type: CONSTANT
+  structures: red_desert_well

structures/misc/red_desert_well/red_desert_well.tesf

@@ -0,0 +1,14 @@
+if (check(3, -1, 3) != "LAND" ||
+    check(-3, -1, 3) != "LAND" ||
+    check(3, -1, -3) != "LAND" ||
+    check(-3, -1, -3) != "LAND"
+    ) fail;
+
+num depth = 3 + randomInt(3);
+num yTranslate = 1;
+structure(0,yTranslate+1,0, "red_desert_well_top", "NONE");
+structure(0,yTranslate,0, "red_desert_well_bottom", "NONE");
+
+for (num y = yTranslate; y > -depth; y = y - 1) {
+    block(0,y,0, "minecraft:water", true, true);
+}

structures/misc/red_desert_well/schematics/red_desert_well_bottom.tesf

@@ -0,0 +1,6 @@
+num random = randomInt(4);
+
+if (random == 0) structure(0,0,0, "red_desert_well_bottom_1", "NONE");
+if (random == 1) structure(0,0,0, "red_desert_well_bottom_2", "NONE");
+if (random == 2) structure(0,0,0, "red_desert_well_bottom_3", "NONE");
+if (random == 3) structure(0,0,0, "red_desert_well_bottom_4", "NONE");

structures/misc/red_desert_well/schematics/red_desert_well_top.tesf

@@ -0,0 +1,6 @@
+num random = randomInt(4);
+
+if (random == 0) structure(0,0,0, "red_desert_well_top_1", "NONE", "CW_90", "CCW_90", "CW_180");
+if (random == 1) structure(0,0,0, "red_desert_well_top_2", "NONE", "CW_90", "CCW_90", "CW_180");
+if (random == 2) structure(0,0,0, "red_desert_well_top_3", "NONE", "CW_90", "CCW_90", "CW_180");
+if (random == 3) structure(0,0,0, "red_desert_well_top_4", "NONE", "CW_90", "CCW_90", "CW_180");