Added Bushes, tnt is harder to get and craft

mods/bushes_classic/cooking.lua

@@ -0,0 +1,108 @@
+-- Basket
+
+minetest.register_craft({
+    output = "bushes:basket_empty",
+    recipe = {
+	{ "default:stick", "default:stick", "default:stick" },
+	{ "", "default:stick", "" },
+    },
+})
+
+-- Sugar
+
+minetest.register_craftitem(":bushes:sugar", {
+    description = "Sugar",
+    inventory_image = "bushes_sugar.png",
+    on_use = minetest.item_eat(1),
+})
+
+minetest.register_craft({
+    output = "bushes:sugar 1",
+    recipe = {
+	{ "default:papyrus", "default:papyrus" },
+    },
+})
+
+for i, berry in ipairs(bushes_classic.bushes) do
+	local desc = bushes_classic.bushes_descriptions[i]
+
+	minetest.register_craftitem(":bushes:"..berry.."_pie_raw", {
+		description = "Raw "..desc.." pie",
+		inventory_image = "bushes_"..berry.."_pie_raw.png",
+		on_use = minetest.item_eat(3),
+	})
+
+	if berry ~= "mixed_berry" then
+		minetest.register_craftitem(":bushes:"..berry, {
+			description = desc,
+			inventory_image = "bushes_"..berry..".png",
+			groups = {berry = 1},
+			on_use = minetest.item_eat(3),
+		})
+
+		minetest.register_craft({
+			output = "bushes:"..berry.."_pie_raw 1",
+			recipe = {
+			{ "bushes:sugar", "default:junglegrass", "bushes:sugar" },
+			{ "bushes:"..berry, "bushes:"..berry, "bushes:"..berry },
+			},
+		})
+	end
+
+	-- Cooked pie
+
+	minetest.register_craftitem(":bushes:"..berry.."_pie_cooked", {
+		description = "Cooked "..desc.." pie",
+		inventory_image = "bushes_"..berry.."_pie_cooked.png",
+		on_use = minetest.item_eat(4),
+	})
+
+	minetest.register_craft({
+		type = "cooking",
+		output = "bushes:"..berry.."_pie_cooked",
+		recipe = "bushes:"..berry.."_pie_raw",
+		cooktime = 30,
+	})
+
+	-- slice of pie
+
+	minetest.register_craftitem(":bushes:"..berry.."_pie_slice", {
+		description = "Slice of "..desc.." pie",
+		inventory_image = "bushes_"..berry.."_pie_slice.png",
+		on_use = minetest.item_eat(1),
+	})
+
+	minetest.register_craft({
+		output = "bushes:"..berry.."_pie_slice 4",
+		recipe = {
+		{ "bushes:"..berry.."_pie_cooked" },
+		},
+	})
+
+	-- Basket with pies
+
+	minetest.register_craft({
+		output = "bushes:basket_"..berry.." 1",
+		recipe = {
+		{ "bushes:"..berry.."_pie_cooked", "bushes:"..berry.."_pie_cooked", "bushes:"..berry.."_pie_cooked" },
+		{ "", "bushes:basket_empty", "" },
+		},
+	})
+end
+
+minetest.register_craft({
+	output = "bushes:strawberry_pie_raw 1",
+	recipe = {
+	{ "bushes:sugar", "default:junglegrass", "bushes:sugar" },
+	{ "farming_plus:strawberry_item", "farming_plus:strawberry_item", "farming_plus:strawberry_item" },
+	},
+})
+
+minetest.register_craft({
+	output = "bushes:mixed_berry_pie_raw 2",
+	recipe = {
+	{ "bushes:sugar", "default:junglegrass", "bushes:sugar" },
+	{ "group:berry", "group:berry", "group:berry" },
+	{ "group:berry", "group:berry", "group:berry" },
+	},
+})

mods/bushes_classic/depends.txt

@@ -0,0 +1,2 @@
+default
+plants_lib

mods/bushes_classic/image_credits.txt

@@ -0,0 +1,5 @@
+strawberry: http://www.clker.com/clipart-4060.html
+blueberry: http://www.clker.com/clipart-cerezafiro12.html
+blackberry:  http://www.clker.com/clipart-blackberry-2.html
+raspberry: http://www.clker.com/clipart-simple-raspberry.html
+gooseberry:  http://www.clker.com/clipart-26281.html

mods/bushes_classic/init.lua

@@ -0,0 +1,54 @@
+-- Bushes classic mod originally by unknown
+-- now maintained by VanessaE
+--
+-- License:  WTFPL
+
+bushes_classic = {}
+
+bushes_classic.bushes = {
+    "strawberry",
+	"blackberry",
+	"blueberry",
+	"raspberry",
+	"gooseberry",
+	"mixed_berry"
+}
+
+bushes_classic.bushes_descriptions = {
+    "Strawberry",
+	"Blackberry",
+	"Blueberry",
+	"Raspberry",
+	"Gooseberry",
+	"Mixed Berry"
+}
+
+bushes_classic.spawn_list = {}
+
+dofile(minetest.get_modpath('bushes_classic') .. '/cooking.lua')
+dofile(minetest.get_modpath('bushes_classic') .. '/nodes.lua')
+
+plantslib:spawn_on_surfaces({
+	spawn_delay = 3600,
+	spawn_plants = bushes_classic.spawn_list,
+	avoid_radius = 10,
+	spawn_chance = 100,
+	spawn_surfaces = {
+		"default:dirt_with_grass",
+		"woodsoils:dirt_with_leaves_1",
+		"woodsoils:grass_with_leaves_1",
+		"woodsoils:grass_with_leaves_2"
+	},
+	avoid_nodes = {"group:bush"},
+	seed_diff = 545342534, -- chosen by a fair mashing of the keyboard - guaranteed to be random :P
+	plantlife_limit = -0.1,
+	light_min = 10,
+	temp_min = 0.15, -- approx 20C
+	temp_max = -0.15, -- approx 35C
+	humidity_min = 0, -- 50% RH
+	humidity_max = -1, -- 100% RH
+})
+
+minetest.register_alias("bushes:basket_pies", "bushes:basket_strawberry")
+
+print("[Bushes] Loaded.")

mods/bushes_classic/nodes.lua

@@ -0,0 +1,173 @@
+
+
+
+plantlife_bushes = {}
+
+-- TODO: add support for nodebreakers? those dig like mese picks
+plantlife_bushes.after_dig_node = function(pos, oldnode, oldmetadata, digger) 
+	if( not( digger ) or not( pos ) or not (oldnode )) then
+		return nil;
+	end
+
+	-- find out which bush type we are dealing with
+	local bush_name   = "";
+	local can_harvest = false;
+	
+	if( oldnode.name == 'bushes:fruitless_bush' ) then
+		-- this bush has not grown fruits yet (but will eventually)
+		bush_name   = oldmetadata[ 'fields' ][ 'bush_type' ];
+		-- no fruits to be found, so can_harvest stays false
+	else
+		local name_parts = oldnode.name:split( ":" );
+		if( #name_parts >= 2 and name_parts[2]~=nil ) then
+
+			name_parts = name_parts[2]:split( "_" );
+
+			if( #name_parts >= 2 and name_parts[1]~=nil ) then
+				bush_name   = name_parts[1];
+				-- this bush really carries fruits
+				can_harvest = true;
+			end
+		end
+	end
+
+	-- find out which tool the digger was wielding (if any)
+	local toolstack    = digger:get_wielded_item();
+	local capabilities = toolstack:get_tool_capabilities();
+
+	-- what the player will get
+	local harvested    = "";
+	local amount       = "";
+
+	-- failure to find out what the tool can do: destroy the bush and return nothing
+	if( not( capabilities["groupcaps"] )) then
+		return nil;
+
+	-- digging with the hand or something like that
+	elseif(	capabilities["groupcaps"]["snappy"] ) then
+
+		-- plant a new bush without fruits
+		minetest.env:add_node(pos,{type='node',name='bushes:fruitless_bush'})
+		local meta = minetest.env:get_meta( pos );
+		meta:set_string( 'bush_type', bush_name ); 
+
+		-- construct the stack of fruits the player will get
+		-- only bushes that have grown fruits can actually give fruits
+		if( can_harvest == true ) then
+			amount    = "4";
+			harvested = "bushes:"..bush_name.." "..amount;
+		end
+
+	-- something like a shovel
+	elseif( capabilities["groupcaps"]["crumbly"] ) then
+
+		-- with a chance of 1/3, return 2 bushes
+		if( math.random(1,3)==1 ) then
+			amount = "2";
+		else
+			amount = "1";
+		end
+		-- return the bush itself
+		harvested = "bushes:" .. bush_name .. "_bush "..amount;
+
+	-- something like an axe
+	elseif( capabilities["groupcaps"]["choppy"] ) then
+
+		-- the amount of sticks may vary
+		amount    = math.random( 4, 20 );
+		-- return some sticks
+		harvested = "default:stick "..amount;
+
+	-- nothing known - destroy the plant
+	else
+		return nil;
+	end
+
+	-- give the harvested result to the player
+	if( harvested ~= "" ) then
+		--minetest.chat_send_player("singleplayer","you would now get "..tostring( harvested ) );
+		digger:get_inventory():add_item( "main", harvested );
+	end
+end
+
+
+
+plantlife_bushes.after_place_node = function(pos, placer, itemstack)
+
+	if( not( itemstack ) or not( pos )) then
+		return nil;
+	end
+
+	local name_parts = itemstack:get_name():split( ":" );
+	if( #name_parts <2 or name_parts[2]==nil ) then
+		return nil;
+	end
+
+	name_parts = name_parts[2]:split( "_" );
+
+	if( #name_parts <2 or name_parts[1]==nil ) then
+		return nil;
+	end
+
+	minetest.env:set_node( pos, {type='node',name='bushes:fruitless_bush'});
+	local meta = minetest.env:get_meta( pos );
+	meta:set_string( 'bush_type', name_parts[1] ); 
+
+	return nil;
+end
+
+
+
+-- regrow berries (uses a base abm instead of plants_lib because of the use of metadata).
+
+minetest.register_abm({
+	nodenames = { "bushes:fruitless_bush" },
+	interval = 500,
+	chance = 10,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+
+			local meta = minetest.env:get_meta( pos );
+			local bush_name = meta:get_string( 'bush_type' ); 
+			if( bush_name ~= nil and bush_name ~= '' ) then
+				minetest.env:set_node( pos, {type='node',name='bushes:'..bush_name..'_bush'});
+			end
+                end
+})
+
+-- Define the bush nodes
+
+for i, bush_name in ipairs(bushes_classic.bushes) do
+
+	local desc = bushes_classic.bushes_descriptions[i]
+
+	if bush_name == "mixed_berry" then
+		bush_name = "fruitless";
+		desc      = "currently fruitless";
+	end
+
+	minetest.register_node(":bushes:" .. bush_name .. "_bush", {
+			description = desc.." Bush",
+			drawtype = "plantlike",
+			visual_scale = 1.3,
+			tiles = { "bushes_" .. bush_name .. "_bush.png" },
+			inventory_image = "bushes_" .. bush_name .. "_bush.png",
+			paramtype = "light",
+			sunlight_propagates = true,
+			walkable = false,
+
+			groups = { snappy = 3, bush = 1, flammable = 2},
+			sounds = default.node_sound_leaves_defaults(),
+			drop = "",
+			after_dig_node = function( pos, oldnode, oldmetadata, digger )
+				return plantlife_bushes.after_dig_node(pos, oldnode, oldmetadata, digger);
+			end,
+			after_place_node = function( pos, placer, itemstack )
+				return plantlife_bushes.after_place_node(pos, placer, itemstack);
+			end,
+	})
+
+	-- do not spawn fruitless bushes
+	if bush_name ~= "fruitless" then
+		table.insert(bushes_classic.spawn_list, "bushes:"..bush_name.."_bush")
+	end
+end

mods/grounds/stone.lua

@@ -168,6 +168,10 @@ minetest.register_node(":default:stone", {
 				items = {"default:stone_small_rock", "minerals:borax"},
 				rarity = 50,
 			},
+			{
+				items = {"default:stone_small_rock", "minerals:sulfur"},
+				rarity = 250,
+			},
 			{
 				items = {"default:stone_small_rock", "default:stone_small_rock", "default:stone_small_rock"},
 				rarity = 5

mods/plants_lib/depends.txt

@@ -0,0 +1 @@
+default

mods/plants_lib/init.lua

@@ -0,0 +1,506 @@
+-- Plantlife library mod by Vanessa Ezekowitz
+-- last revision, 2013-01-24
+--
+-- License:  WTFPL
+--
+-- I got the temperature map idea from "hmmmm", values used for it came from
+-- Splizard's snow mod.
+--
+
+-- Various settings - most of these probably won't need to be changed
+
+plantslib = {}
+
+plantslib.modpath = minetest.get_modpath("plants_lib")
+plantslib.intllib_modpath = minetest.get_modpath("intllib")
+
+local S
+if plantslib.intllib_modpath then
+    dofile(plantslib.intllib_modpath.."/intllib.lua")
+    S = intllib.Getter(minetest.get_current_modname())
+else
+    S = function ( s ) return s end
+end
+
+local DEBUG = false --... except if you want to spam the console with debugging info :-)
+
+plantslib.plantlife_seed_diff = 329	-- needs to be global so other mods can see it
+
+local perlin_octaves = 3
+local perlin_persistence = 0.6
+local perlin_scale = 100
+
+local temperature_seeddiff = 112
+local temperature_octaves = 3
+local temperature_persistence = 0.5
+local temperature_scale = 150
+
+local humidity_seeddiff = 9130
+local humidity_octaves = 3
+local humidity_persistence = 0.5
+local humidity_scale = 250
+
+--PerlinNoise(seed, octaves, persistence, scale)
+
+plantslib.perlin_temperature = PerlinNoise(temperature_seeddiff, temperature_octaves, temperature_persistence, temperature_scale)
+plantslib.perlin_humidity = PerlinNoise(humidity_seeddiff, humidity_octaves, humidity_persistence, humidity_scale)
+
+-- Local functions
+
+local function dump_pos(pos)
+	return "{x="..pos.x..",y="..pos.y..",z="..pos.z.."}"
+end
+
+function plantslib:is_node_loaded(node_pos)
+	n = minetest.get_node_or_nil(node_pos)
+	if (not n) or (n.name == "ignore") then
+		return false
+	end
+	return true
+end
+
+function plantslib:dbg(msg)
+	if DEBUG then
+		print("[Plantlife] "..msg)
+		minetest.log("verbose", "[Plantlife] "..msg)
+	end
+end
+
+function plantslib:set_defaults(biome)
+	biome.seed_diff = biome.seed_diff or 0
+	biome.min_elevation = biome.min_elevation or -31000
+	biome.max_elevation = biome.max_elevation or 31000
+	biome.temp_min = biome.temp_min or 1
+	biome.temp_max = biome.temp_max or -1
+	biome.humidity_min = biome.humidity_min or 1
+	biome.humidity_max = biome.humidity_max or -1
+	biome.plantlife_limit = biome.plantlife_limit or 0.1
+	biome.near_nodes_vertical = biome.near_nodes_vertical or 1
+
+-- specific to on-generate
+
+	biome.neighbors = biome.neighbors or biome.surface
+	biome.near_nodes_size = biome.near_nodes_size or 0
+	biome.near_nodes_count = biome.near_nodes_count or 1
+	biome.rarity = biome.rarity or 50
+	biome.max_count = biome.max_count or 5
+	if biome.check_air ~= false then biome.check_air = true end
+
+-- specific to abm spawner
+	biome.seed_diff = biome.seed_diff or 0
+	biome.light_min = biome.light_min or 0
+	biome.light_max = biome.light_max or 15
+	biome.depth_max = biome.depth_max or 1
+	biome.facedir = biome.facedir or 0
+end
+
+-- Spawn plants using the map generator
+
+function plantslib:register_generate_plant(biomedef, node_or_function_or_model)
+	plantslib:dbg("Registered mapgen spawner:")
+	plantslib:dbg(dump(biomedef))
+
+	minetest.register_on_generated(plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or_model))
+end
+
+function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or_model)
+	return function(minp, maxp, blockseed)
+		local t1=os.clock()
+
+		local biome = biomedef
+		plantslib:set_defaults(biome)
+
+		plantslib:dbg("Started checking generated mapblock volume...")
+		local searchnodes = minetest.find_nodes_in_area(minp, maxp, biome.surface)
+		local in_biome_nodes = {}
+		local num_in_biome_nodes = 0
+		for i in ipairs(searchnodes) do
+			local pos = searchnodes[i]
+			local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
+			local perlin1 = minetest.get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
+			local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z})
+			local noise2 = plantslib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
+			local noise3 = plantslib.perlin_humidity:get2d({x=p_top.x+150, y=p_top.z+50})
+			if (not biome.depth or minetest.get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name ~= biome.surface)
+			  and (not biome.check_air or (biome.check_air and minetest.get_node(p_top).name == "air"))
+			  and pos.y >= biome.min_elevation
+			  and pos.y <= biome.max_elevation
+			  and noise1 > biome.plantlife_limit
+			  and noise2 <= biome.temp_min
+			  and noise2 >= biome.temp_max
+			  and noise3 <= biome.humidity_min
+			  and noise3 >= biome.humidity_max
+			  and (not biome.ncount or table.getn(minetest.find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, biome.neighbors)) > biome.ncount)
+			  and (not biome.near_nodes or table.getn(minetest.find_nodes_in_area({x=pos.x-biome.near_nodes_size, y=pos.y-biome.near_nodes_vertical, z=pos.z-biome.near_nodes_size}, {x=pos.x+biome.near_nodes_size, y=pos.y+biome.near_nodes_vertical, z=pos.z+biome.near_nodes_size}, biome.near_nodes)) >= biome.near_nodes_count)
+			  and math.random(1,100) > biome.rarity
+			  and (not biome.below_nodes or string.find(dump(biome.below_nodes), minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name) )
+			  then
+				table.insert(in_biome_nodes, pos)
+				num_in_biome_nodes = num_in_biome_nodes + 1
+			end
+		end
+
+		plantslib:dbg("Found "..num_in_biome_nodes.." surface nodes of type(s) "..dump(biome.surface).." in 5x5x5 mapblock volume at {"..dump(minp)..":"..dump(maxp).."} to check.")
+
+		if num_in_biome_nodes > 0 then
+			plantslib:dbg("Calculated maximum of "..math.min(biome.max_count*3, num_in_biome_nodes).." nodes to be checked in that list.")
+			for i = 1, math.min(biome.max_count, num_in_biome_nodes) do
+				local tries = 0
+				local spawned = false
+				while tries < 2 and not spawned do
+					local pos = in_biome_nodes[math.random(1, num_in_biome_nodes)]
+					if biome.spawn_replace_node then
+						pos.y = pos.y-1
+					end
+					local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
+
+					if not (biome.avoid_nodes and biome.avoid_radius and minetest.find_node_near(p_top, biome.avoid_radius + math.random(-1.5,2), biome.avoid_nodes)) then
+						if biome.delete_above then
+							minetest.remove_node(p_top)
+							minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z})
+						end
+
+						if biome.delete_above_surround then
+							minetest.remove_node({x=p_top.x-1, y=p_top.y, z=p_top.z})
+							minetest.remove_node({x=p_top.x+1, y=p_top.y, z=p_top.z})
+							minetest.remove_node({x=p_top.x,   y=p_top.y, z=p_top.z-1})
+							minetest.remove_node({x=p_top.x,   y=p_top.y, z=p_top.z+1})
+
+							minetest.remove_node({x=p_top.x-1, y=p_top.y+1, z=p_top.z})
+							minetest.remove_node({x=p_top.x+1, y=p_top.y+1, z=p_top.z})
+							minetest.remove_node({x=p_top.x,   y=p_top.y+1, z=p_top.z-1})
+							minetest.remove_node({x=p_top.x,   y=p_top.y+1, z=p_top.z+1})
+						end
+
+						if biome.spawn_replace_node then
+							minetest.remove_node(pos)
+						end
+
+						if type(node_or_function_or_model) == "table" then
+							plantslib:dbg("Spawn tree at {"..dump(pos).."}")
+							plantslib:generate_tree(pos, node_or_function_or_model)
+
+						elseif type(node_or_function_or_model) == "string" then
+							if not minetest.registered_nodes[node_or_function_or_model] then
+								plantslib:dbg("Call function: "..node_or_function_or_model.."("..dump_pos(pos)..")")
+								local t2=os.clock()
+								assert(loadstring(node_or_function_or_model.."("..dump_pos(pos)..")"))()
+								plantslib:dbg("Executed that function in ".. (os.clock()-t2)*1000 .."ms")
+							else
+								plantslib:dbg("Add node: "..node_or_function_or_model.." at ("..dump(p_top)..")")
+								minetest.add_node(p_top, { name = node_or_function_or_model })
+							end
+						end
+						spawned = true
+					else
+						tries = tries + 1
+						plantslib:dbg("No room to spawn object at {"..dump(pos).."} -- trying again elsewhere")
+					end
+				end
+				if tries == 2 then
+					plantslib:dbg("Unable to spawn that object.  Giving up on it.")
+				end
+			end
+		end
+                plantslib:dbg("Evaluated/populated chunk in ".. (os.clock()-t1)*1000 .."ms")
+	end
+end
+
+-- The spawning ABM
+
+function plantslib:spawn_on_surfaces(sd,sp,sr,sc,ss,sa)
+
+	local biome = {}
+
+	if type(sd) ~= "table" then
+		biome.spawn_delay = sd	-- old api expects ABM interval param here.
+		biome.spawn_plants = {sp}
+		biome.avoid_radius = sr
+		biome.spawn_chance = sc
+		biome.spawn_surfaces = {ss}
+		biome.avoid_nodes = sa
+	else
+		biome = sd
+	end
+
+	plantslib:set_defaults(biome)
+	biome.spawn_plants_count = table.getn(biome.spawn_plants)
+
+	plantslib:dbg("Registered spawning ABM:")
+	plantslib:dbg(dump(biome))
+	plantslib:dbg("Number of trigger nodes in this ABM: "..biome.spawn_plants_count )
+
+	minetest.register_abm({
+		nodenames = biome.spawn_surfaces,
+		interval = biome.spawn_delay,
+		chance = biome.spawn_chance,
+		neighbors = biome.neighbors,
+		action = function(pos, node, active_object_count, active_object_count_wider)
+			local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }	
+			local n_top = minetest.get_node(p_top)
+			local perlin1 = minetest.get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
+			local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z})
+			local noise2 = plantslib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
+			local noise3 = plantslib.perlin_humidity:get2d({x=p_top.x+150, y=p_top.z+50})
+			if noise1 > biome.plantlife_limit 
+			  and noise2 <= biome.temp_min
+			  and noise2 >= biome.temp_max
+			  and noise3 <= biome.humidity_min
+			  and noise3 >= biome.humidity_max
+			  and plantslib:is_node_loaded(p_top) then
+				local n_light = minetest.get_node_light(p_top, nil)
+				if not (biome.avoid_nodes and biome.avoid_radius and minetest.find_node_near(p_top, biome.avoid_radius + math.random(-1.5,2), biome.avoid_nodes))
+				  and n_light >= biome.light_min
+				  and n_light <= biome.light_max
+				  and (not(biome.neighbors and biome.ncount) or table.getn(minetest.find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, biome.neighbors)) > biome.ncount )
+				  and (not(biome.near_nodes and biome.near_nodes_count and biome.near_nodes_size) or table.getn(minetest.find_nodes_in_area({x=pos.x-biome.near_nodes_size, y=pos.y-biome.near_nodes_vertical, z=pos.z-biome.near_nodes_size}, {x=pos.x+biome.near_nodes_size, y=pos.y+biome.near_nodes_vertical, z=pos.z+biome.near_nodes_size}, biome.near_nodes)) >= biome.near_nodes_count)
+				  and (not(biome.air_count and biome.air_size) or table.getn(minetest.find_nodes_in_area({x=p_top.x-biome.air_size, y=p_top.y, z=p_top.z-biome.air_size}, {x=p_top.x+biome.air_size, y=p_top.y, z=p_top.z+biome.air_size}, "air")) >= biome.air_count)
+				  and pos.y >= biome.min_elevation
+				  and pos.y <= biome.max_elevation
+				  then
+					local walldir = plantslib:find_adjacent_wall(p_top, biome.verticals_list)
+					if biome.alt_wallnode and walldir then
+						if n_top.name == "air" then
+							plantslib:dbg("Spawn: "..biome.alt_wallnode.." on top of ("..dump(pos)..") against wall "..walldir)
+							minetest.add_node(p_top, { name = biome.alt_wallnode, param2 = walldir })
+						end
+					else
+						local currentsurface = minetest.get_node(pos).name
+						if currentsurface ~= "default:water_source"
+						  or (currentsurface == "default:water_source" and table.getn(minetest.find_nodes_in_area({x=pos.x, y=pos.y-biome.depth_max-1, z=pos.z}, {x=pos.x, y=pos.y, z=pos.z}, {"default:dirt", "default:dirt_with_grass", "default:sand"})) > 0 )
+						  then
+							local rnd = math.random(1, biome.spawn_plants_count)
+							local plant_to_spawn = biome.spawn_plants[rnd]
+							plantslib:dbg("Chose entry number "..rnd.." of "..biome.spawn_plants_count)
+							local fdir = biome.facedir
+							if biome.random_facedir then
+								fdir = math.random(biome.random_facedir[1],biome.random_facedir[2])
+								plantslib:dbg("Gave it a random facedir: "..fdir)
+							end
+							if type(spawn_plants) == "string" then
+								plantslib:dbg("Call function: "..spawn_plants.."("..dump_pos(pos)..")")
+								assert(loadstring(spawn_plants.."("..dump_pos(pos)..")"))()
+							elseif not biome.spawn_on_side and not biome.spawn_on_bottom and not biome.spawn_replace_node then
+								if n_top.name == "air" then
+									plantslib:dbg("Spawn: "..plant_to_spawn.." on top of ("..dump(pos).."); facedir="..fdir)
+									minetest.add_node(p_top, { name = plant_to_spawn, param2 = fdir })
+								end
+							elseif biome.spawn_replace_node then
+						
+								plantslib:dbg("Spawn: "..plant_to_spawn.." to replace "..minetest.get_node(pos).name.." at ("..dump(pos)..")")
+								minetest.add_node(pos, { name = plant_to_spawn, param2 = fdir })
+
+							elseif biome.spawn_on_side then
+								local onside = plantslib:find_open_side(pos)
+								if onside then 
+									plantslib:dbg("Spawn: "..plant_to_spawn.." at side of ("..dump(pos).."), facedir "..onside.facedir.."")
+									minetest.add_node(onside.newpos, { name = plant_to_spawn, param2 = onside.facedir })
+								end
+							elseif biome.spawn_on_bottom then
+								if minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == "air" then
+									plantslib:dbg("Spawn: "..plant_to_spawn.." on bottom of ("..dump(pos)..")")
+									minetest.add_node({x=pos.x, y=pos.y-1, z=pos.z}, { name = plant_to_spawn, param2 = fdir} )
+								end
+							end
+						end
+					end
+				end
+			end
+		end
+	})
+end
+
+-- The growing ABM
+
+function plantslib:grow_plants(opts)
+
+	local options = opts
+
+	options.height_limit = options.height_limit or 5
+	options.ground_nodes = options.ground_nodes or { "default:dirt_with_grass" }
+	options.grow_nodes = options.grow_nodes or { "default:dirt_with_grass" }
+	options.seed_diff = options.seed_diff or 0
+
+	plantslib:dbg("Registered growing ABM:")
+	plantslib:dbg(dump(options))
+
+	minetest.register_abm({
+		nodenames = { options.grow_plant },
+		interval = options.grow_delay,
+		chance = options.grow_chance,
+		action = function(pos, node, active_object_count, active_object_count_wider)
+			local p_top = {x=pos.x, y=pos.y+1, z=pos.z}
+			local p_bot = {x=pos.x, y=pos.y-1, z=pos.z}
+			local n_top = minetest.get_node(p_top)
+			local n_bot = minetest.get_node(p_bot)
+			local root_node = minetest.get_node({x=pos.x, y=pos.y-options.height_limit, z=pos.z})
+			local walldir = nil
+			if options.need_wall and options.verticals_list then
+				walldir = plantslib:find_adjacent_wall(p_top, options.verticals_list)
+			end
+			if n_top.name == "air" and (not options.need_wall or (options.need_wall and walldir))
+			  then
+				-- corner case for changing short junglegrass
+				-- to dry shrub in desert
+				if n_bot.name == options.dry_early_node and options.grow_plant == "junglegrass:short" then
+					plantslib:dbg("Die: "..options.grow_plant.." becomes default:dry_shrub at ("..dump(pos)..")")
+					minetest.add_node(pos, { name = "default:dry_shrub" })
+
+				elseif options.grow_vertically and walldir then
+					if plantslib:search_downward(pos, options.height_limit, options.ground_nodes) then
+						plantslib:dbg("Grow "..options.grow_plant.." vertically to "..dump(p_top))
+						minetest.add_node(p_top, { name = options.grow_plant, param2 = walldir})
+					end
+
+				elseif not options.grow_result and not options.grow_function then
+					plantslib:dbg("Die: "..options.grow_plant.." at ("..dump(pos)..")")
+					minetest.remove_node(pos)
+
+				else
+					plantslib:replace_object(pos, options.grow_result, options.grow_function, options.facedir, options.seed_diff)
+				end
+			end
+		end
+	})
+end
+
+-- Function to decide how to replace a plant - either grow it, replace it with
+-- a tree, run a function, or die with an error.
+
+function plantslib:replace_object(pos, replacement, grow_function, walldir, seeddiff)
+	local growtype = type(grow_function)
+	plantslib:dbg("replace_object called, growtype="..dump(grow_function))
+	if growtype == "table" then
+		plantslib:dbg("Grow: spawn tree at "..dump(pos))
+		minetest.remove_node(pos)
+		plantslib:grow_tree(pos, grow_function)
+		return
+	elseif growtype == "string" then
+		local perlin1 = minetest.get_perlin(seeddiff, perlin_octaves, perlin_persistence, perlin_scale)
+		local noise1 = perlin1:get2d({x=pos.x, y=pos.z})
+		local noise2 = plantslib.perlin_temperature:get2d({x=pos.x, y=pos.z})
+		plantslib:dbg("Grow: call function "..grow_function.."("..dump_pos(pos)..","..noise1..","..noise2..","..dump(walldir)..")")
+		assert(loadstring(grow_function.."("..dump_pos(pos)..","..noise1..","..noise2..","..dump(walldir)..")"))()
+		return
+	elseif growtype == "nil" then
+		plantslib:dbg("Grow: place "..replacement.." at ("..dump(pos)..") on wall "..dump(walldir))
+		minetest.add_node(pos, { name = replacement, param2 = walldir})
+		return
+	elseif growtype ~= "nil" and growtype ~= "string" and growtype ~= "table" then
+		error("Invalid grow function "..dump(grow_function).." used on object at ("..dump(pos)..")")
+	end
+end
+
+-- function to decide if a node has a wall that's in verticals_list{}
+-- returns wall direction of valid node, or nil if invalid.
+
+function plantslib:find_adjacent_wall(pos, verticals)
+	local verts = dump(verticals)
+	if string.find(verts, minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z   }).name) then return 3 end
+	if string.find(verts, minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z   }).name) then return 2 end
+	if string.find(verts, minetest.get_node({ x=pos.x  , y=pos.y, z=pos.z-1 }).name) then return 5 end
+	if string.find(verts, minetest.get_node({ x=pos.x  , y=pos.y, z=pos.z+1 }).name) then return 4 end
+	return nil
+end
+
+-- Function to search downward from the given position, looking for the first
+-- node that matches the ground table.  Returns the new position, or nil if
+-- height limit is exceeded before finding it.
+
+function plantslib:search_downward(pos, heightlimit, ground)
+	for i = 0, heightlimit do
+		if string.find(dump(ground), minetest.get_node({x=pos.x, y=pos.y-i, z = pos.z}).name) then
+			return {x=pos.x, y=pos.y-i, z = pos.z}
+		end
+	end
+	return false
+end
+
+function plantslib:find_open_side(pos)
+	if minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name == "air" then
+		return {newpos = { x=pos.x-1, y=pos.y, z=pos.z }, facedir = 2}
+	end
+	if minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name == "air" then
+		return {newpos = { x=pos.x+1, y=pos.y, z=pos.z }, facedir = 3}
+	end
+	if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z-1 }).name == "air" then
+		return {newpos = { x=pos.x, y=pos.y, z=pos.z-1 }, facedir = 4}
+	end
+	if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z+1 }).name == "air" then
+		return {newpos = { x=pos.x, y=pos.y, z=pos.z+1 }, facedir = 5}
+	end
+	return nil
+end
+
+-- spawn_tree() on generate is routed through here so that other mods can hook
+-- into it.
+
+function plantslib:generate_tree(pos, node_or_function_or_model)
+	local t=os.clock()
+	minetest.spawn_tree(pos, node_or_function_or_model)
+	plantslib:dbg("Generated one tree in ".. (os.clock()-t)*1000 .."ms")
+end
+
+-- and this one's for the call used in the growing code
+
+function plantslib:grow_tree(pos, node_or_function_or_model)
+	local t=os.clock()
+	minetest.spawn_tree(pos, node_or_function_or_model)
+	plantslib:dbg("Generated one tree in ".. (os.clock()-t)*1000 .."ms")
+end
+
+-- check if a node is owned before allowing manual placement of a node
+-- (used by flowers_plus)
+
+function plantslib:node_is_owned(pos, placer)
+	local ownername = false
+	if type(IsPlayerNodeOwner) == "function" then					-- node_ownership mod
+		if HasOwner(pos, placer) then						-- returns true if the node is owned
+			if not IsPlayerNodeOwner(pos, placer:get_player_name()) then
+				if type(getLastOwner) == "function" then		-- ...is an old version
+					ownername = getLastOwner(pos)
+				elseif type(GetNodeOwnerName) == "function" then	-- ...is a recent version
+					ownername = GetNodeOwnerName(pos)
+				else
+					ownername = S("someone")
+				end
+			end
+		end
+
+	elseif type(isprotect)=="function" then 					-- glomie's protection mod
+		if not isprotect(5, pos, placer) then
+			ownername = S("someone")
+		end
+	elseif type(protector)=="table" and type(protector.can_dig)=="function" then 	-- Zeg9's protection mod
+		if not protector.can_dig(5, pos, placer) then
+			ownername = S("someone")
+		end
+	end
+
+	if ownername ~= false then
+		minetest.chat_send_player( placer:get_player_name(), S("Sorry, %s owns that spot."):format(ownername) )
+		return true
+	else
+		return false
+	end
+end
+
+-- Check for infinite stacks
+
+if minetest.get_modpath("unified_inventory") or not minetest.setting_getbool("creative_mode") then
+	plantslib.expect_infinite_stacks = false
+else
+	plantslib.expect_infinite_stacks = true
+end
+
+-- read a field from a node's definition
+
+function plantslib:get_nodedef_field(nodename, fieldname)
+	if not minetest.registered_nodes[nodename] then
+		return nil
+	end
+	return minetest.registered_nodes[nodename][fieldname]
+end
+
+
+print("[Plantlife Library] Loaded")

mods/tnt/init.lua

@@ -228,13 +228,41 @@ minetest.register_abm({
 end,
 })	
 
-for _, tree in pairs(realtest.registered_trees) do
+minetest.register_craftitem("tnt:gunpowder", {
+    description = "Gunpowder",
+	inventory_image = "tnt_gunpowder.png",
+	wield_image = "tnt_gunpowder.png",
+})
+
+local tree = {}
+
+tree.types = {
+	{"ash"},
+	{"aspen"},
+	{"birch"},
+	{"maple"},
+	{"chestnut"},
+	{"pine"},
+	{"spruce"}
+}
+
+for _, row in ipairs(tree.types) do
+	local name = row[1]
+    minetest.register_craft({
+	    output = "tnt:tnt",
+	    recipe = {
+		    {"trees:"..name.."_plank",    "trees:"..name.."_plank",    "trees:"..name.."_plank"},
+		    {"trees:"..name.."_plank",    "tnt:gunpowder",             "trees:"..name.."_plank"},
+		    {"trees:"..name.."_plank",    "trees:"..name.."_plank",    "trees:"..name.."_plank"},
+	    }
+    })
+end
+
 minetest.register_craft({
-	output = "tnt:tnt",
+	output = "tnt:gunpowder",
 	recipe = {
-		{"trees:birch_plank","minerals:saltpeter","trees:birch_plank"},
-		{"trees:birch_plank","minerals:charcoal","trees:birch_plank"},
-		{"trees:birch_plank","minerals:saltpeter","trees:birch_plank"},
+		{"minerals:charcoal","minerals:saltpeter","minerals:charcoal"},
+		{"minerals:saltpeter","minerals:sulfur","minerals:saltpeter"},
+		{"minerals:charcoal","minerals:saltpeter","minerals:charcoal"},
 	}
 })
-end