Add code for bonemeal particles

mods/ITEMS/mcl_dye/init.lua

@@ -128,6 +128,24 @@ for _, row in ipairs(dyelocal.dyes) do
 end
 
 -- Bone Meal
+local function bone_meal_particle(pos)
+	minetest.add_particlespawner({
+		amount = 10,
+		time = 0.1,
+		minpos = { x = pos.x - 0.5, y = pos.y - 0.5, z = pos.z - 0.5 },
+		maxpos = { x = pos.x + 0.5, y = pos.y + 0.5, z = pos.z + 0.5 },
+		minvel = { x = 0, y = 0, z = 0},
+		maxvel = { x = 0, y = 0, z = 0},
+		minacc = { x = 0, y = 0, z = 0},
+		maxacc = { x = 0, y = 0, z = 0},
+		minexptime = 1, 
+		maxexptime = 4,
+		minsize = 0.7,
+		maxsize = 2.4,
+		texture = "mcl_particles_bonemeal.png^[colorize:#00EE00:125", -- TODO: real MC color
+		glow = 5,
+	})
+end
 
 function mcl_dye.apply_bone_meal(pointed_thing)
 	-- Bone meal currently spawns all flowers found in the plains.
@@ -166,11 +184,13 @@ function mcl_dye.apply_bone_meal(pointed_thing)
 	local n = minetest.get_node(pos)
 	if n.name == "" then return false end
 	if minetest.get_item_group(n.name, "sapling") >= 1 then
+		bone_meal_particle(pos)
 		-- Saplings: 45% chance to advance growth stage
 		if math.random(1,100) <= 45 then
 			return mcl_core.grow_sapling(pos, n)
 		end
 	elseif minetest.get_item_group(n.name, "mushroom") == 1 then
+		bone_meal_particle(pos)
 		-- Try to grow huge mushroom
 
 		-- Must be on a dirt-type block
@@ -193,7 +213,7 @@ function mcl_dye.apply_bone_meal(pointed_thing)
 			return false
 		end
 		-- 40% chance
-		if math.random(1,100) <= 40 then
+		if math.random(1, 100) <= 40 then
 			-- Check space requirements
 			for i=1,3 do
 				local cpos = vector.add(pos, {x=0, y=i, z=0})
@@ -220,30 +240,39 @@ function mcl_dye.apply_bone_meal(pointed_thing)
 		return false
 	-- Wheat, Potato, Carrot, Pumpkin Stem, Melon Stem: Advance by 2-5 stages
 	elseif string.find(n.name, "mcl_farming:wheat_") then
+		bone_meal_particle(pos)
 		local stages = math.random(2, 5)
 		return mcl_farming:grow_plant("plant_wheat", pos, n, stages, true)
 	elseif string.find(n.name, "mcl_farming:potato_") then
+		bone_meal_particle(pos)
 		local stages = math.random(2, 5)
 		return mcl_farming:grow_plant("plant_potato", pos, n, stages, true)
 	elseif string.find(n.name, "mcl_farming:carrot_") then
+		bone_meal_particle(pos)
 		local stages = math.random(2, 5)
 		return mcl_farming:grow_plant("plant_carrot", pos, n, stages, true)
 	elseif string.find(n.name, "mcl_farming:pumpkin_") then
+		bone_meal_particle(pos)
 		local stages = math.random(2, 5)
 		return mcl_farming:grow_plant("plant_pumpkin_stem", pos, n, stages, true)
 	elseif string.find(n.name, "mcl_farming:melontige_") then
+		bone_meal_particle(pos)
 		local stages = math.random(2, 5)
 		return mcl_farming:grow_plant("plant_melon_stem", pos, n, stages, true)
 	elseif string.find(n.name, "mcl_farming:beetroot_") then
+		bone_meal_particle(pos)
 		-- Beetroot: 75% chance to advance to next stage
 		if math.random(1, 100) <= 75 then
 			return mcl_farming:grow_plant("plant_beetroot", pos, n, 1, true)
 		end
 	elseif n.name == "mcl_cocoas:cocoa_1" or n.name == "mcl_cocoas:cocoa_2" then
+		bone_meal_particle(pos)
 		-- Cocoa: Advance by 1 stage
 		mcl_cocoas.grow(pos)
 		return true
 	elseif minetest.get_item_group(n.name, "grass_block") == 1 then
+		local grass_block_pos = {x = pos.x, y = pos.y + 1, z = pos.z}
+		bone_meal_particle(grass_block_pos)
 		-- Grass Block: Generate tall grass and random flowers all over the place
 		for i = -2, 2 do
 			for j = -2, 2 do
@@ -285,19 +314,24 @@ function mcl_dye.apply_bone_meal(pointed_thing)
 
 	-- Double flowers: Drop corresponding item
 	elseif n.name == "mcl_flowers:rose_bush" or n.name == "mcl_flowers:rose_bush_top" then
+		bone_meal_particle(pos)
 		minetest.add_item(pos, "mcl_flowers:rose_bush")
 		return true
 	elseif n.name == "mcl_flowers:peony" or n.name == "mcl_flowers:peony_top" then
+		bone_meal_particle(pos)
 		minetest.add_item(pos, "mcl_flowers:peony")
 		return true
 	elseif n.name == "mcl_flowers:lilac" or n.name == "mcl_flowers:lilac_top" then
+		bone_meal_particle(pos)
 		minetest.add_item(pos, "mcl_flowers:lilac")
 		return true
 	elseif n.name == "mcl_flowers:sunflower" or n.name == "mcl_flowers:sunflower_top" then
+		bone_meal_particle(pos)
 		minetest.add_item(pos, "mcl_flowers:sunflower")
 		return true
 
 	elseif n.name == "mcl_flowers:tallgrass" then
+		bone_meal_particle(pos)
 		-- Tall Grass: Grow into double tallgrass
 		local toppos = { x=pos.x, y=pos.y+1, z=pos.z }
 		local topnode = minetest.get_node(toppos)
@@ -308,6 +342,7 @@ function mcl_dye.apply_bone_meal(pointed_thing)
 		end
 
 	elseif n.name == "mcl_flowers:fern" then
+		bone_meal_particle(pos)
 		-- Fern: Grow into large fern
 		local toppos = { x=pos.x, y=pos.y+1, z=pos.z }
 		local topnode = minetest.get_node(toppos)