many worldgen mods and gonna try technic now

mods/plantlife_modpack/dryplants/juncus.lua

@@ -0,0 +1,156 @@
+-- support for i18n
+local S = minetest.get_translator("dryplants")
+
+local function grow_juncus(pos)
+	local juncus_type = math.random(2,3)
+	local right_here = {x=pos.x, y=pos.y+1, z=pos.z}
+
+	local nodename = minetest.get_node(right_here).name
+	if nodename == "air" or nodename == "default:junglegrass" then
+		if juncus_type == 2 then
+			minetest.swap_node(right_here, {name="dryplants:juncus_02"})
+		else
+			minetest.swap_node(right_here, {name="dryplants:juncus"})
+		end
+	end
+end
+
+minetest.register_node("dryplants:juncus", {
+	description = S("Juncus"),
+	drawtype = "plantlike",
+	visual_scale = math.sqrt(8),
+	paramtype = "light",
+	tiles = {"dryplants_juncus_03.png"},
+	inventory_image = "dryplants_juncus_inv.png",
+	walkable = false,
+	buildable_to = true,
+	groups = {
+		snappy=3,
+		flammable=2,
+		attached_node=1,
+		flora=1
+		--not_in_creative_inventory=1
+	},
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-7/16, -1/2, -7/16, 7/16, 0, 7/16},
+	},
+	on_place = function(itemstack, placer, pointed_thing)
+		if not itemstack or not placer or not pointed_thing then
+			return
+		end
+
+		local playername = placer:get_player_name()
+		if minetest.is_protected(pointed_thing.above, playername) or
+			minetest.is_protected(pointed_thing.under, playername) then
+			minetest.chat_send_player(playername, "Someone else owns that spot.")
+			return
+		end
+		local pos = pointed_thing.under
+		local juncus_type = math.random(2,3)
+		local right_here = {x=pos.x, y=pos.y+1, z=pos.z}
+		if juncus_type == 2 then
+			minetest.swap_node(right_here, {name="dryplants:juncus_02"})
+		else
+			minetest.swap_node(right_here, {name="dryplants:juncus"})
+		end
+		if not minetest.is_creative_enabled(playername) then
+			itemstack:take_item()
+		end
+		return itemstack
+	end,
+})
+
+minetest.register_node("dryplants:juncus_02", {
+	description = S("Juncus"),
+	drawtype = "plantlike",
+	visual_scale = math.sqrt(8),
+	paramtype = "light",
+	tiles = {"dryplants_juncus_02.png"},
+	walkable = false,
+	buildable_to = true,
+	groups = {
+		snappy=3,
+		flammable=2,
+		attached_node=1,
+		flora=1,
+		not_in_creative_inventory=1
+	},
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-7/16, -1/2, -7/16, 7/16, 0, 7/16},
+	},
+	drop = "dryplants:juncus",
+})
+-----------------------------------------------------------------------------------------------
+-- GENERATE SMALL JUNCUS
+-----------------------------------------------------------------------------------------------
+-- near water or swamp
+minetest.register_decoration({
+	name = "dryplants:juncus_water",
+	decoration = {"air"},
+	fill_ratio = 0.16,
+	y_min = 1,
+	y_max = 40,
+	place_on = {
+		"default:dirt_with_grass",
+		"stoneage:grass_with_silex",
+		"sumpf:peat",
+		"sumpf:sumpf"
+	},
+	deco_type = "simple",
+	flags = "all_floors",
+	spawn_by = {
+		"default:water_source",
+		"sumpf:dirtywater_source",
+		"sumpf:sumpf"
+	},
+	check_offset = -1,
+	num_spawn_by = 1
+})
+
+-- at dunes/beach
+minetest.register_decoration({
+	name = "dryplants:juncus_beach",
+	decoration = {"air"},
+	fill_ratio = 0.08,
+	y_min = 1,
+	y_max = 40,
+	place_on = {
+		"default:sand",
+	},
+	deco_type = "simple",
+	flags = "all_floors",
+	spawn_by = {"default:dirt_with_grass"},
+	check_offset = -1,
+	num_spawn_by = 1
+})
+
+local did, did2
+minetest.register_on_mods_loaded(function()
+	did = minetest.get_decoration_id("dryplants:juncus_water")
+	did2 = minetest.get_decoration_id("dryplants:juncus_beach")
+	minetest.set_gen_notify("decoration", {did, did2})
+end)
+
+minetest.register_on_generated(function(minp, maxp, blockseed)
+	local g = minetest.get_mapgen_object("gennotify")
+	local locations = {}
+
+	local deco_locations_1 = g["decoration#" .. did] or {}
+	local deco_locations_2 = g["decoration#" .. did2] or {}
+
+	for _, pos in pairs(deco_locations_1) do
+		locations[#locations+1] = pos
+	end
+	for _, pos in pairs(deco_locations_2) do
+		locations[#locations+1] = pos
+	end
+
+	if #locations == 0 then return end
+	for _, pos in ipairs(locations) do
+		grow_juncus(pos)
+	end
+end)