add falling leaf particles and setting

README.md

@@ -56,6 +56,7 @@ Also those more as optional:
 | ethereal.lilywalk              | Lilypads are walkable             | bool | true |
 | ethereal.xcraft                | Enable X-Craft cheats             | bool | true |
 | ethereal.flight                | Enable Flight Potion              | bool | true |
+| ethereal.leaf_particles        | Enable falling lead particles     | bool | true |
 | ethereal.glacier               | Glacier biome, 1=on / 0=off       | int  | 1 |
 | ethereal.bambo                 | Bamboo biome, 1=on / 0=off        | int  | 1 |
 | ethereal.mesa                  | Mesa biome, 1=on / 0=off          | int  | 1 |
@@ -104,6 +105,7 @@ who helped make this mod bigger and better throughout it's release :)
  - Tidy and tweak code to run on Minetest 5.1 and above
  - Replace 32px textures with 16px variants so items do not look mismatched
  - Add new biome layout so that specific biomes aren't too large or small
+ - Add falling leaf particles with setting to disable
 
 ### 1.31
  - Fix fishing biome checks

leaves.lua

@@ -602,3 +602,76 @@ decay({"ethereal:olive_trunk"}, {"ethereal:olive_leaves", "ethereal:olive"}, 3)
 
 decay({"ethereal:mushroom_trunk"}, {"ethereal:mushroom", "ethereal:mushroom_brown",
 		"ethereal:mushroom_pore", "ethereal:lightstring"}, 4)
+
+if minetest.settings:get_bool("ethereal.leaf_particles") ~= false then
+
+	-- falling leaf effect
+
+	local leaf_list = {
+		{"ethereal:frost_leaves", "331b37", 9},
+		{"ethereal:bananaleaves", "28581e"},
+		{"ethereal:lemon_leaves", "507c1e"},
+		{"ethereal:olive_leaves", "416531"},
+		{"ethereal:orange_leaves", "1a3b1b"},
+		{"ethereal:redwood_leaves", "15342a"},
+		{"ethereal:sakura_leaves", "c281a9"},
+		{"ethereal:sakura_leaves2", "d4cbac"},
+		{"ethereal:willow_twig", "0b9445"},
+		{"ethereal:yellowleaves", "8b5f00", 9},
+		{"ethereal:birch_leaves", "274527"},
+		{"ethereal:palmleaves", "2b6000"},
+		{"ethereal:bamboo_leaves", "445811"},
+		{"default:acacia_leaves", "296600"},
+		{"default:aspen_leaves", "395d16"},
+		{"default:jungleleaves", "141e10"},
+		{"default:pine_needles", "00280e"},
+		{"default:leaves", "223a20"}
+	}
+
+	minetest.register_abm({
+		label = "Ethereal falling leaves",
+		nodenames = {"group:leaves"},
+		neighbors = {"air"},
+		interval = 7,
+		chance = 50,
+		catch_up = false,
+
+		action = function(pos, node)
+
+			local tex = "ethereal_falling_leaf.png"
+			local glow = nil
+			local can_fall = false
+
+			for n = 1, #leaf_list do
+
+				if node.name == leaf_list[n][1] then
+					tex = tex .. "^[multiply:#" .. leaf_list[n][2] .. "70"
+					glow = leaf_list[n][3]
+					can_fall = true ; break
+				end
+			end
+
+			if can_fall then
+
+				minetest.add_particlespawner({
+					amount = 2,
+					time = 2,
+					minpos = {x = pos.x - 1, y = pos.y - 1, z = pos.z - 1},
+					maxpos = {x = pos.x + 1, y = pos.y, z = pos.z + 1},
+					minvel = {x = -0.8, y = -1, z = -0.8},
+					maxvel = {x = 0.8, y = -3, z = 0.8},
+					minacc = {x = -0.1, y = -1, z = -0.1},
+					mixacc = {x = 0.2, y = -3, z = 0.2},
+					minexptime = 2,
+					maxexptime = 10,
+					minsize = 0.5,
+					maxsize = 1.5,
+					collisiondetection = false,
+					texture = tex,
+					vertical = true,
+					glow = glow
+				})
+			end
+		end
+	})
+end

settingtypes.txt

@@ -37,6 +37,7 @@ ethereal.tundra (Tundra biome, 1 = Enable / 0 = Disable) int 1
 ethereal.mediterranean (Mediterranean biome, 1 = Enable / 0 = Disable) int 1
 ethereal.logs (Tree log decor, 1 = Enable / 0 = Disable) int 1
 ethereal.wood_rotate (Enable directional placement of wood) bool true
+ethereal.leaf_particles (Enable falling leaf particles) bool true
 
 ethereal.flightpotion_duration (Flight Potion Duration) int 300