Add banana tree, wood and bananas. Yum!

mapgen.lua

@@ -166,6 +166,9 @@ function vmg.generate(minp, maxp, seed)
 	local c_tree = minetest.get_content_id("default:tree")
 	local c_leaves = minetest.get_content_id("default:leaves")
 	local c_apple = minetest.get_content_id("default:apple")
+	local c_banana_tree = minetest.get_content_id("valleys_mapgen:banana_tree")
+	local c_banana_leaves = minetest.get_content_id("valleys_mapgen:banana_leaves")
+	local c_banana = minetest.get_content_id("valleys_mapgen:banana")
 	local c_jungletree = minetest.get_content_id("default:jungletree")
 	local c_jungleleaves = minetest.get_content_id("default:jungleleaves")
 	local c_pinetree = minetest.get_content_id("default:pinetree")
@@ -404,6 +407,13 @@ function vmg.generate(minp, maxp, seed)
 										local height = math.floor(8 + 4 * rand)
 										local radius = 5 + 3 * rand
 										vmg.make_jungle_tree(pos, data, a, height, radius, c_jungletree, c_jungleleaves, c_air, c_ignore)
+									elseif v15 > -0.6 and temp >= 1.8 and humidity > 2.2 and v16 > 1.8 then -- banana tree
+										local rand = math.random()
+										local height = math.floor(4 + 2.5 * rand)
+										local radius = 3 + rand
+										if math.random(100) <= 10 then
+											vmg.make_banana_tree(pos, data, a, height, radius, c_banana_tree, c_banana_leaves, c_banana, c_air, c_ignore)
+										end
 									elseif temp > 0.38 and temp < 1 and humidity > 0.9 and v15 > 0 and v15 < 0.55 then -- Fir Tree
 										local rand = math.random()
 										local height = math.floor(9 + 6 * rand)

nodes.lua

@@ -193,6 +193,102 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_node("valleys_mapgen:banana_tree", {
+	description = "Banana Tree",
+	tiles = {"vmg_banana_tree_top.png", "vmg_banana_tree_top.png", "vmg_banana_tree.png"},
+	paramtype2 = "facedir",
+	is_ground_content = false,
+	groups = {tree=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
+	sounds = default.node_sound_wood_defaults(),
+	on_place = minetest.rotate_node
+})
+
+minetest.register_node("valleys_mapgen:banana_sapling", {
+	description = "Banana Sapling",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"vmg_banana_sapling.png"},
+	inventory_image = "vmg_banana_sapling.png",
+	wield_image = "vmg_banana_sapling.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3}
+	},
+	groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1,sapling=1},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("valleys_mapgen:banana_leaves", {
+	description = "Banana Leaves",
+	drawtype = "allfaces_optional",
+	waving = 1,
+	visual_scale = 1.3,
+	tiles = {"vmg_banana_leaves.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {snappy=3, leafdecay=7, flammable=2, leaves=1},
+	drop = {
+		max_items = 1,
+		items = {
+			{
+				-- player will get sapling with 1/20 chance
+				items = {'valleys_mapgen:banana_sapling'},
+				rarity = 20,
+			},
+			{
+				-- player will get leaves only if he get no saplings,
+				-- this is because max_items is 1
+				items = {'valleys_mapgen:banana_leaves'},
+			}
+		}
+	},
+	sounds = default.node_sound_leaves_defaults(),
+
+	after_place_node = default.after_place_leaves,
+})
+
+minetest.register_node("valleys_mapgen:banana_wood", {
+	description = "Banana Wood Planks",
+	tiles = {"vmg_banana_wood.png"},
+	is_ground_content = false,
+	groups = {choppy=2,oddly_breakable_by_hand=2,flammable=3,wood=1},
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_craft({
+	output = "valleys_mapgen:banana_wood 5",
+	recipe = {
+		{"valleys_mapgen:banana_tree"}
+	}
+})
+
+minetest.register_node("valleys_mapgen:banana", {
+	description = "Banana",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"vmg_banana.png"},
+	inventory_image = "vmg_banana.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	is_ground_content = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.2, -0.5, -0.2, 0.2, 0, 0.2}
+	},
+	groups = {fleshy=3,dig_immediate=3,flammable=2,leafdecay=3,leafdecay_drop=1},
+	on_use = minetest.item_eat(3),
+	sounds = default.node_sound_leaves_defaults(),
+	after_place_node = function(pos, placer, itemstack)
+		if placer:is_player() then
+			minetest.set_node(pos, {name="valleys_mapgen:banana", param2=1})
+		end
+	end,
+})
+
 ----------------------
 -- Flowers / Plants --
 ----------------------

trees.lua

@@ -52,6 +52,27 @@ function default.grow_tree(pos, is_apple_tree) -- Override default function to g
 	vm:update_map()
 end
 
+function default.grow_banana_tree(pos)
+	-- individual parameters
+	local rand = math.random()
+	local height = math.floor(4 + 2.5 * rand)
+	local radius = 3 + rand
+
+	-- VoxelManip stuff
+	local leaves = minetest.get_content_id("valleys_mapgen:banana_leaves")
+	local trunk = minetest.get_content_id("valleys_mapgen:banana_tree")
+	local air = minetest.get_content_id("air")
+	local ignore = minetest.get_content_id("ignore")
+	local vm = minetest.get_voxel_manip()
+	local emin, emax = vm:read_from_map({x = pos.x - 4, y = pos.y, z = pos.z - 4}, {x = pos.x + 4, y = pos.y + height + 4, z = pos.z + 4})
+	local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
+	local data = vm:get_data()
+	vmg.make_banana_tree(pos, data, area, height, radius, trunk, leaves, minetest.get_content_id("valleys_mapgen:banana"), air, ignore)
+	vm:set_data(data)
+	vm:write_to_map()
+	vm:update_map()
+end
+
 function default.grow_jungle_tree(pos)
 	local rand = math.random()
 	local height = math.floor(8 + 4 * rand)
@@ -140,6 +161,21 @@ function vmg.make_apple_tree(pos, data, area, height, radius, trunk, leaves, fru
 	vmg.make_leavesblob(pos, data, area, leaves, air, ignore, {x = radius, y = radius, z = radius}, np, 0.06, fruit)
 end
 
+function vmg.make_banana_tree(pos, data, area, height, radius, trunk, leaves, fruit, air, ignore)
+	if vmg.loglevel >= 3 then
+		print("[Valleys Mapgen] Generating banana tree at " .. minetest.pos_to_string(pos) .. " ...")
+	end
+	local ystride = area.ystride -- Useful to get the index above
+	local iv = area:indexp(pos)
+	for i = 1, height do -- Build the trunk
+		data[iv] = trunk
+		iv = iv + ystride -- increment by one node up
+	end
+	local np = {offset = 0.8, scale = 0.4, spread = {x = 8, y = 4, z = 8}, octaves = 3, persist = 0.5}
+	pos.y = pos.y + height - 1
+	vmg.make_leavesblob(pos, data, area, leaves, air, ignore, {x = radius, y = radius, z = radius}, np, 0.06, fruit)
+end
+
 local function make_jungle_root(x0, y0, z0, data, area, tree, air)
 	local ystride = area.ystride
 	local ybot = y0 - 1