Fix water- and mudlogged roots, add w. logging abm

mods/ITEMS/mcl_mangrove/init.lua

@@ -1,5 +1,6 @@
+local S = minetest.get_translator("mcl_mangrove")
 
-local S = minetest.get_translator("mcl_core")
+local leafdecay_distance = 4
 
 local register_tree_trunk = function(subname, description_trunk, description_bark, longdesc, tile_inner, tile_bark)
 minetest.register_node("mcl_mangrove:"..subname, {
@@ -309,10 +310,8 @@ minetest.register_node("mcl_mangrove:mangrove_roots", {
 	drawtype = "mesh",
 	mesh = "node.obj",
 	groups = {
-		handy = 1, hoey = 1, shearsy = 1, axey = 1,  swordy = 1, dig_by_piston = 0,
+		handy = 1, hoey = 1, shearsy = 1, axey = 1, swordy = 1, dig_by_piston = 0,
-		leaves = 1, leafdecay = leafdecay_distance, deco_block = 1,
+		leaves = 1, deco_block = 1,flammable = 10, fire_encouragement = 30, fire_flammability = 60,	compostability = 30
-		flammable = 10, fire_encouragement = 30, fire_flammability = 60,
-		compostability = 30
 	},
 	drop = "mcl_mangrove:mangrove_roots",
 	_mcl_shears_drop = true,
@@ -609,9 +608,7 @@ minetest.register_node("mcl_mangrove:water_logged_roots", {
 	drop = "mcl_mangrove:mangrove_roots",
 	stack_max = 64,
 		groups = {
-		handy = 1, hoey = 1, shearsy = 1, swordy = 1, water=3, liquid=3, puts_out_fire=1, dig_by_piston = 1,
+		handy = 1, hoey = 1, water=3, liquid=3, puts_out_fire=1, dig_by_piston = 1, deco_block = 1,  not_in_creative_inventory=1 },
-		leaves = 1, leafdecay = leafdecay_distance, deco_block = 1,  not_in_creative_inventory=1, fire_encouragement = 0, fire_flammability = 0,
-	},
 	_mcl_blast_resistance = 100,
 	-- Hardness intentionally set to infinite instead of 100 (Minecraft value) to avoid problems in creative mode
 	_mcl_hardness = -1,
@@ -683,6 +680,29 @@ minetest.register_node("mcl_mangrove:hanging_propagule_1", {
 	wield_image = "mcl_mangrove_propagule.png",
 })
 
+local adjacents = {
+	vector.new(1,0,0),
+	vector.new(-1,0,0),
+	vector.new(0,0,1),
+	vector.new(0,0,-1),
+}
+
+minetest.register_abm({
+	label = "Waterlog mangrove roots",
+	nodenames = {"mcl_mangrove:mangrove_roots"},
+	neighbors = {"mcl_core:water_source"},
+	interval = 5,
+	chance = 5,
+	action = function(pos,value)
+		for _,v in pairs(adjacents) do
+			if minetest.get_node(vector.add(pos,v)).name == "mcl_core:water_source" then
+				minetest.swap_node(pos,{name="mcl_mangrove:water_logged_roots"})
+				return
+			end
+		end
+	end
+})
+
 ------------tree_growth_abm------------
 
 local propagule_nodes = {

mods/MAPGEN/mcl_biomes/init.lua

@@ -2562,6 +2562,7 @@ local warm_oceans = {
 	"Jungle_ocean",
 	"Desert_ocean",
 	"JungleM_ocean",
+	"MangroveSwamp_ocean"
 }
 local corals = {
 	"brain",
@@ -3026,6 +3027,7 @@ local function register_decorations()
 	})
 
 	minetest.register_decoration({
+		name = "mcl_biomes:mangrove_tree_1",
 		deco_type = "schematic",
 		place_on = {"mcl_mud:mud"},
 		sidelen = 80,
@@ -3038,6 +3040,7 @@ local function register_decorations()
 		rotation = "random",
 	})
 	minetest.register_decoration({
+		name = "mcl_biomes:mangrove_tree_2",
 		deco_type = "schematic",
 		place_on = {"mcl_mud:mud"},
 		sidelen = 80,
@@ -3050,6 +3053,7 @@ local function register_decorations()
 		rotation = "random",
 	})
 	minetest.register_decoration({
+		name = "mcl_biomes:mangrove_tree_3",
 		deco_type = "schematic",
 		place_on = {"mcl_mud:mud"},
 		sidelen = 80,
@@ -3062,6 +3066,43 @@ local function register_decorations()
 		rotation = "random",
 	})
 
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"mcl_mud:mud"},
+		sidelen = 80,
+		fill_ratio = 0.045,
+		biomes = {"MangroveSwamp","MangroveSwamp_shore"},
+		y_min = 0,
+		y_max = 0,
+		decoration = "mcl_mangrove:water_logged_roots",
+		flags = "place_center_x, place_center_z, force_placement",
+	})
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"mcl_mangrove:mangrove_roots"},
+		spawn_by = {"mcl_core:water_source"},
+		num_spawn_by = 2,
+		sidelen = 80,
+		fill_ratio = 10,
+		biomes = {"MangroveSwamp","MangroveSwamp_shore"},
+		y_min = 0,
+		y_max = 0,
+		decoration = "mcl_mangrove:water_logged_roots",
+		flags = "place_center_x, place_center_z, force_placement, all_ceilings",
+	})
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"mcl_mud:mud"},
+		sidelen = 80,
+		fill_ratio = 0.045,
+		biomes = {"MangroveSwamp","MangroveSwamp_shore"},
+		place_offset_y = -1,
+		decoration = "mcl_mangrove:mangrove_mud_roots",
+		flags = "place_center_x, place_center_z, force_placement",
+	})
+
 	-- Jungle tree
 
 	-- Huge jungle tree (2 variants)
@@ -4810,14 +4851,38 @@ if mg_name ~= "singlenode" then
 		minetest.get_decoration_id("mcl_biomes:warped_tree2"),
 		minetest.get_decoration_id("mcl_biomes:warped_tree3")
 	}
+	local deco_ids_trees = {
+		minetest.get_decoration_id("mcl_biomes:mangrove_tree_1"),
+		minetest.get_decoration_id("mcl_biomes:mangrove_tree_2"),
+		minetest.get_decoration_id("mcl_biomes:mangrove_tree_3"),
+	}
 	for _,f in pairs(deco_ids_fungus) do
 		minetest.set_gen_notify({decoration=true}, { f })
 	end
-	if deco_id_chorus_plant or deco_id_crimson_tree or deco_id_warped_tree then
+	for _,f in pairs(deco_ids_trees) do
+		minetest.set_gen_notify({decoration=true}, { f })
+	end
+	if deco_id_chorus_plant or deco_ids_fungus or deco_ids_trees then
 		mcl_mapgen_core.register_generator("chorus_grow", nil, function(minp, maxp, blockseed)
-			if minp.y > -26900 then return end
 			local gennotify = minetest.get_mapgen_object("gennotify")
 			local pr = PseudoRandom(blockseed + 14)
+			for _,f in pairs(deco_ids_trees) do
+				for _, pos in ipairs(gennotify["decoration#"..f] or {}) do
+					local nn=minetest.find_nodes_in_area(vector.offset(pos,-8,-1,-8),vector.offset(pos,8,2,8),{"mcl_mangrove:mangrove_roots"})
+					for _,v in pairs(nn) do
+						if minetest.get_node(vector.offset(v,0,-1,0)).name == "mcl_core:water_source" then
+							minetest.bulk_set_node(minetest.find_nodes_in_area(vector.offset(v,0,0,0),vector.offset(v,0,-10,0),{"mcl_core:water_source"}),{name="mcl_mangrove:water_logged_roots"})
+						end
+						if minetest.get_node(vector.offset(v,0,-1,0)).name == "mcl_mud:mud" then
+							minetest.bulk_set_node(minetest.find_nodes_in_area(vector.offset(v,0,0,0),vector.offset(v,0,-10,0),{"mcl_mud:mud"}),{name="mcl_mangrove:mud_roots"})
+						end
+						if minetest.get_node(vector.offset(v,0,-1,0)).name == "air" then
+							minetest.bulk_set_node(minetest.find_nodes_in_area(vector.offset(v,0,0,0),vector.offset(v,0,-10,0),{"air"}),{name="mcl_mangrove:mangrove_roots"})
+						end
+					end
+				end
+			end
+			if minp.y > -26900 then return end
 			for _, pos in ipairs(gennotify["decoration#"..deco_id_chorus_plant] or {}) do
 				local x, y, z = pos.x, pos.y, pos.z
 				if x < -2 or x > 2 or z < -2 or z > 2 then