make rainf dependency entirely optional

(also fix a fewe places where it wasn't listed as a depend at all)

birch/init.lua

@@ -86,26 +86,27 @@ end
 -- Decoration
 --
 
-
-minetest.register_decoration({
-	deco_type = "schematic",
-	place_on = {"rainf:meadow"},
-	sidelen = 16,
-	noise_params = {
-		offset = 0.01,
-		scale = 0.001,
-		spread = {x = 255, y = 255, z = 255},
-		seed = 32,
-		octaves = 3,
-		persist = 0.67
-	},
-	biomes = {"rainf"},
-	y_min = 1,
-	y_max = 80,
-	schematic = birch.birchtree,
-	flags = "place_center_x, place_center_z",
-	place_offset_y = 1,
-})
+if minetest.get_modpath("rainf") then
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"rainf:meadow"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0.01,
+			scale = 0.001,
+			spread = {x = 255, y = 255, z = 255},
+			seed = 32,
+			octaves = 3,
+			persist = 0.67
+		},
+		biomes = {"rainf"},
+		y_min = 1,
+		y_max = 80,
+		schematic = birch.birchtree,
+		flags = "place_center_x, place_center_z",
+		place_offset_y = 1,
+	})
+end
 
 --
 -- Nodes

birch/mod.conf

@@ -1,4 +1,4 @@
 name = birch
 description = Birch Tree for Grassland
-depends = rainf, default
-optional_depends = stairs, bonemeal
+depends = default
+optional_depends = stairs, bonemeal, rainf

chestnuttree/init.lua

@@ -66,7 +66,7 @@ end
 -- Decoration
 --
 
-if mg_name ~= "v6" and mg_name ~= "singlenode" then
+if mg_name ~= "v6" and mg_name ~= "singlenode" and minetest.get_modpath("rainf") then
 	minetest.register_decoration({
 		deco_type = "schematic",
 		place_on = {"rainf:meadow"},

chestnuttree/mod.conf

@@ -1,4 +1,4 @@
 name = chestnuttree
 description = Chesnut Tree for Grassland
-depends = rainf, default
-optional_depends = stairs, bonemeal
+depends = default
+optional_depends = stairs, bonemeal, rainf

ebony/init.lua

@@ -25,7 +25,7 @@ end
 -- Decoration
 --
 
-if mg_name ~= "v6" and mg_name ~= "singlenode" then
+if mg_name ~= "v6" and mg_name ~= "singlenode" and minetest.get_modpath("rainf") then
 	minetest.register_decoration({
 		deco_type = "schematic",
 		place_on = {"default:dirt_with_rainforest_litter"},

ebony/mod.conf

@@ -1,4 +1,4 @@
 name = ebony
 description = Ebony Tree for Rainforest Biome
 depends = default
-optional_depends = stairs, bonemeal
+optional_depends = stairs, bonemeal, rainf

hollytree/init.lua

@@ -24,7 +24,7 @@ end
 -- Decoration
 --
 
-if mg_name ~= "v6" and mg_name ~= "singlenode" then
+if mg_name ~= "v6" and mg_name ~= "singlenode" and minetest.get_modpath("rainf") then
 	minetest.register_decoration({
 		deco_type = "schematic",
 		place_on = {"rainf:meadow"},

hollytree/mod.conf

@@ -1,4 +1,4 @@
 name = hollytree
 description = Hollytree
-depends = rainf, default
-optional_depends = stairs, bonemeal
+depends = default
+optional_depends = stairs, bonemeal, rainf

jacaranda/init.lua

@@ -24,7 +24,7 @@ end
 -- Decoration
 --
 
-if mg_name ~= "v6" and mg_name ~= "singlenode" then
+if mg_name ~= "v6" and mg_name ~= "singlenode" and minetest.get_modpath("rainf") then
 	minetest.register_decoration({
 		deco_type = "schematic",
 		place_on = {"default:dirt_with_rainforest_litter"},

jacaranda/mod.conf

@@ -1,4 +1,4 @@
 name = jacaranda
 description = Jacaranda for jungles
 depends = default
-optional_depends = stairs, bonemeal
+optional_depends = stairs, bonemeal, rainf

mahogany/init.lua

@@ -26,7 +26,7 @@ end
 -- Decoration
 --
 
-if mg_name ~= "v6" and mg_name ~= "singlenode" then
+if mg_name ~= "v6" and mg_name ~= "singlenode" and minetest.get_modpath("rainf") then
 	minetest.register_decoration({
 		deco_type = "schematic",
 		place_on = {"default:dirt_with_rainforest_litter"},

mahogany/mod.conf

@@ -1,4 +1,4 @@
 name = mahogany
 description = Mahogany Tree for Rainforest Biome
 depends = default
-optional_depends = stairs, bonemeal
+optional_depends = stairs, bonemeal, rainf

maple/init.lua

@@ -25,7 +25,7 @@ end
 -- Decoration
 --
 
-if mg_name ~= "v6" and mg_name ~= "singlenode" then
+if mg_name ~= "v6" and mg_name ~= "singlenode" and minetest.get_modpath("rainf") then
 	minetest.register_decoration({
 		deco_type = "schematic",
 		place_on = {"rainf:meadow"},

maple/mod.conf

@@ -1,4 +1,4 @@
 name = maple
 description = Maple Tree
-depends = rainf, default
-optional_depends = stairs, bonemeal
+depends = default
+optional_depends = stairs, bonemeal, rainf

oak/init.lua

@@ -50,7 +50,7 @@ end
 -- Decoration
 --
 
-if mg_name ~= "v6" and mg_name ~= "singlenode" then
+if mg_name ~= "v6" and mg_name ~= "singlenode" and minetest.get_modpath("rainf") then
 	minetest.register_decoration({
 		deco_type = "schematic",
 		place_on = {"rainf:meadow"},

oak/mod.conf

@@ -1,4 +1,4 @@
 name = oak
 description = Oak Tree
-depends = rainf, default
-optional_depends = stairs, bonemeal
+depends = default
+optional_depends = stairs, bonemeal, rainf

pineapple/init.lua

@@ -25,7 +25,7 @@ end
 -- Decoration
 --
 
-if mg_name ~= "v6" and mg_name ~= "singlenode" then
+if mg_name ~= "v6" and mg_name ~= "singlenode" and minetest.get_modpath("rainf") then
 	minetest.register_decoration({
 		deco_type = "schematic",
 		place_on = {"default:dirt_with_rainforest_litter"},

pineapple/mod.conf

@@ -1,4 +1,4 @@
 name = pineapple
 description = Pineapple tree for the jungle
 depends = default
-optional_depends = bonemeal
+optional_depends = bonemeal, rainf