Enable waving small plants and leaves

Caveats: Double plants do not wave

mods/ITEMS/mcl_core/nodes_misc.lua

@@ -79,6 +79,7 @@ minetest.register_node("mcl_core:deadbush", {
 	_doc_items_longdesc = "Dead bushes are unremarkable plants often found in dry areas. They can be harvested for sticks.",
 	_doc_items_hidden = false,
 	drawtype = "plantlike",
+	waving = 1,
 	visual_scale = 1.0,
 	tiles = {"default_dry_shrub.png"},
 	inventory_image = "default_dry_shrub.png",

mods/ITEMS/mcl_core/nodes_trees.lua

@@ -69,6 +69,7 @@ local register_leaves = function(subname, description, longdesc, tiles, drop1, d
 		_doc_items_longdesc = longdesc,
 		_doc_items_hidden = false,
 		drawtype = "allfaces_optional",
+		waving = 2,
 		place_param2 = 1, -- Prevent leafdecay for placed nodes
 		tiles = tiles,
 		paramtype = "light",
@@ -88,6 +89,7 @@ local register_sapling = function(subname, description, longdesc, texture, selbo
 		_doc_items_longdesc = longdesc,
 		_doc_items_hidden = false,
 		drawtype = "plantlike",
+		waving = 1,
 		visual_scale = 1.0,
 		tiles = {texture},
 		inventory_image = texture,

mods/ITEMS/mcl_flowers/init.lua

@@ -31,6 +31,7 @@ local function add_simple_flower(name, desc, image, simple_selection_box)
 		_doc_items_longdesc = smallflowerlongdesc,
 		_doc_items_usagehelp = flowerusagehelp,
 		drawtype = "plantlike",
+		waving = 1,
 		tiles = { image..".png" },
 		inventory_image = image..".png",
 		wield_image = image..".png",
@@ -79,6 +80,7 @@ minetest.register_node("mcl_flowers:tallgrass", {
 	_doc_items_longdesc = "Tall grass is a small plant which often occours on the surface of grasslands. It can be harvested for wheat seeds. By using bone meal, tall grass can be turned into double tallgrass which is two blocks high.",
 	_doc_items_hidden = false,
 	drawtype = "plantlike",
+	waving = 1,
 	tiles = {"mcl_flowers_tallgrass.png"},
 	inventory_image = "mcl_flowers_tallgrass.png",
 	wield_image = "mcl_flowers_tallgrass.png",
@@ -107,6 +109,7 @@ minetest.register_node("mcl_flowers:fern", {
 	description = "Fern",
 	_doc_items_longdesc = "Ferns are small plants which occour naturally in grasslands. They can be harvested for wheat seeds. By using bone meal, a fern can be turned into a large fern which is two blocks high.",
 	drawtype = "plantlike",
+	waving = 1,
 	tiles = { "mcl_flowers_fern.png" },
 	inventory_image = "mcl_flowers_fern.png",
 	wield_image = "mcl_flowers_fern.png",