Add spore blossom particles

mods/ITEMS/mcl_lush_caves/init.lua

@@ -2,6 +2,8 @@ mcl_lush_caves = {}
 local modname = minetest.get_current_modname()
 local modpath = minetest.get_modpath(modname)
 
+local PARTICLE_DISTANCE = 25
+
 local adjacents = {
 	vector.new(1,0,0),
 	vector.new(-1,0,0),
@@ -20,6 +22,42 @@ end
 dofile(modpath.."/nodes.lua")
 dofile(modpath.."/dripleaf.lua")
 
+local spore_blossom_particlespawner = {
+	texture = "mcl_lush_caves_spore_blossom_particle.png",
+	amount = 32,
+	time = 25,
+	minvel = vector.zero(),
+	maxvel = vector.zero(),
+	minacc = vector.new(-0.2, -0.1, -0.2),
+	maxacc = vector.new(0.2, -0.3, 0.2),
+	minexptime = 1.5,
+	maxexptime = 8.5,
+	minsize = 0.1,
+	maxsize= 0.4,
+	glow = 4,
+	collisiondetection = true,
+	collision_removal = true,
+}
+
+minetest.register_abm({
+	label = "Spore Blossom Particles",
+	nodenames = {"mcl_lush_caves:spore_blossom"},
+	interval = 25,
+	chance = 10,
+	action = function(pos, node)
+		if minetest.get_node(vector.offset(pos, 0, -1, 0)).name ~= "air" then return end
+		for _,pl in pairs(minetest.get_connected_players()) do
+			if vector.distance(pos,pl:get_pos()) < PARTICLE_DISTANCE then
+				minetest.add_particlespawner(table.merge(spore_blossom_particlespawner, {
+					minpos = vector.offset(pos, -0.25, -0.5, -0.25),
+					maxpos = vector.offset(pos, 0.25, -0.5, 0.25),
+					playername = pl:get_player_name(),
+				}))
+			end
+		end
+	end
+})
+
 function mcl_lush_caves.makelake(pos,def,pr)
 	local p1 = vector.offset(pos,-8,-4,-8)
 	local p2 = vector.offset(pos,8,4,8)

mods/ITEMS/mcl_lush_caves/nodes.lua

@@ -241,7 +241,7 @@ minetest.register_node("mcl_lush_caves:spore_blossom", {
 	sounds = mcl_sounds.node_sound_dirt_defaults(),
 	selection_box = {
 		type = "fixed",
-		fixed = {{ -3/16, -8/16, -3/16, 3/16, 1/16, 3/16 }},
+		fixed = {{ -3/16, -2/16, -3/16, 3/16, 8/16, 3/16 }},
 	},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,

mods/MAPGEN/mcl_biomes/init.lua

@@ -3610,7 +3610,7 @@ local function register_decorations()
 		place_on = {"mcl_lush_caves:moss"},
 		spawn_by = {"air"},
 		num_spawn_by = 4,
-		fill_ratio = 0.1,
+		fill_ratio = 0.8,
 		param2 = 4,
 		flags = "all_ceilings",
 		biomes = lushcaves_underground,