init.lua

--[[

  Copyright (C) 2015 - Auke Kok <sofar@foo-projects.org>

  "flowerpot" is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation; either version 2.1 of
  the license, or (at your option) any later version.

--]]

flowerpot = {}

local f = string.format

-- Translation
local S = minetest.get_translator("flowerpot")

local flower_items_by_pot = {}

-- handle plant insertion into flowerpot
local function flowerpot_on_rightclick(pos, node, clicker, itemstack, pointed_thing)
	if not minetest.is_player(clicker) then
		return itemstack
	end

	local player_name = clicker:get_player_name()

	if minetest.is_protected(pos, player_name) then
		return itemstack
	end

	local item_name = itemstack:get_name()

	local pot_name = "flowerpot:" .. item_name:gsub(":", "_")
	local def = minetest.registered_nodes[pot_name]
	if not def then
		return itemstack
	end
	minetest.sound_play(def.sounds.place, {pos = pos})
	minetest.swap_node(pos, {name = pot_name})
	if not minetest.settings:get_bool("creative_mode") then
		itemstack:take_item()
	end
	return itemstack
end

local function get_tile(def)
	local tile = def.tiles[1]
	if type (tile) == "table" then
		return tile.name
	end
	return tile
end

local old_get_node_drops = minetest.get_node_drops

function minetest.get_node_drops(node, toolname)
	local node_name
	if type(node) == "table" then
		node_name = node.name

	elseif type(node) == "string" then
		node_name = node
	end

	if node_name then
		local flower_item = flower_items_by_pot[node_name]
		if flower_item then
			local drops = old_get_node_drops(flower_item, toolname)
			if drops then
				table.insert(drops, "flowerpot:empty")
				return drops
			else
				return { "flowerpot:empty" }
			end
		end
	end

	return old_get_node_drops(node, toolname)
end

function flowerpot.register_node(nodename)
	assert(nodename, "no nodename passed")
	local nodedef = minetest.registered_nodes[nodename]

	if not nodedef then
		error(f("%s is not a known node, unable to register flowerpot", nodename))
	end

	local desc = nodedef.description
	local name = nodedef.name:gsub(":", "_")
	local tiles

	if nodedef.drawtype == "plantlike" then
		tiles = {
			{name = "flowerpot.png"},
			{name = get_tile(nodedef)},
			{name = "blank.png"},
		}
	else
		tiles = {
			{name = "flowerpot.png"},
			{name = "blank.png"},
			{name = get_tile(nodedef)},
		}
	end

	flower_items_by_pot["flowerpot:" .. name] = nodename

	minetest.register_node(":flowerpot:" .. name, {
		description = S("Flowerpot with @1", desc),
		drawtype = "mesh",
		mesh = "flowerpot.obj",
		tiles = tiles,
		paramtype = "light",
		sunlight_propagates = true,
		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
		collision_box = {
			type = "fixed",
			fixed = {-1/4, -1/2, -1/4, 1/4, -1/8, 1/4},
		},
		selection_box = {
			type = "fixed",
			fixed = {-1/4, -1/2, -1/4, 1/4, 7/16, 1/4},
		},
		sounds = default.node_sound_defaults(),
		groups = {attached_node = 1, oddly_breakable_by_hand = 1, snappy = 3, not_in_creative_inventory = 1},
		flowerpot_plantname = nodename,
		node_dig_prediction = "flowerpot:empty",
		on_punch = function(pos, node, puncher, pointed_thing)
			if not (puncher and puncher:is_player()) then
				return
			end
			if minetest.is_protected(pos, puncher:get_player_name()) then
				return
			end
			local toolname = puncher:get_wielded_item()
			if node.name then
				local flower_item = flower_items_by_pot[node.name]
				if flower_item then
					local drops = old_get_node_drops(flower_item, toolname)
					minetest.handle_node_drops(pos, drops, puncher)
				end
			end
			minetest.swap_node(pos, {name = "flowerpot:empty"})
		end,
	})
end

-- empty flowerpot
minetest.register_node("flowerpot:empty", {
	description = S("Flowerpot"),
	drawtype = "mesh",
	mesh = "flowerpot.obj",
	inventory_image = "flowerpot_item.png",
	wield_image = "flowerpot_item.png",
	tiles = {
		{name = "flowerpot.png"},
		{name = "blank.png"},
		{name = "blank.png"},
	},
	paramtype = "light",
	sunlight_propagates = true,
	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
	collision_box = {
		type = "fixed",
		fixed = {-1/4, -1/2, -1/4, 1/4, -1/8, 1/4},
	},
	selection_box = {
		type = "fixed",
		fixed = {-1/4, -1/2, -1/4, 1/4, -1/16, 1/4},
	},
	sounds = default.node_sound_defaults(),
	groups = {attached_node = 1, oddly_breakable_by_hand = 3, cracky = 1, dig_immediate = 3},
	on_rightclick = flowerpot_on_rightclick,
})

-- craft
minetest.register_craft({
	output = "flowerpot:empty",
	recipe = {
		{"default:clay_brick", "", "default:clay_brick"},
		{"", "default:clay_brick", ""},
	}
})

for _, node in pairs({
	-- default nodes
	"default:acacia_bush_sapling",
	"default:acacia_bush_stem",
	"default:acacia_sapling",
	"default:aspen_sapling",
	"default:blueberry_bush_sapling",
	"default:pine_bush_sapling",
	"default:bush_sapling",
	"default:bush_stem",
	"default:cactus",
	"default:dry_grass_1",
	"default:dry_grass_2",
	"default:dry_grass_3",
	"default:dry_grass_4",
	"default:dry_grass_5",
	"default:dry_shrub",
	"default:emergent_jungle_sapling",
	"default:grass_1",
	"default:grass_2",
	"default:grass_3",
	"default:grass_4",
	"default:grass_5",
	"default:marram_grass_1",
	"default:marram_grass_2",
	"default:marram_grass_3",
	"default:large_cactus_seedling",
	"default:junglegrass",
	"default:junglesapling",
	"default:papyrus",
	"default:pine_sapling",
	"default:sapling",
	"default:fern_1",
	"default:fern_2",
	"default:fern_3",
	-- farming nodes
	"farming:cotton_1",
	"farming:cotton_2",
	"farming:cotton_3",
	"farming:cotton_4",
	"farming:cotton_5",
	"farming:cotton_6",
	"farming:cotton_7",
	"farming:cotton_8",
	"farming:wheat_1",
	"farming:wheat_2",
	"farming:wheat_3",
	"farming:wheat_4",
	"farming:wheat_5",
	"farming:wheat_6",
	"farming:wheat_7",
	"farming:wheat_8",
	-- flowers nodes
	"flowers:dandelion_white",
	"flowers:dandelion_yellow",
	"flowers:geranium",
	"flowers:mushroom_brown",
	"flowers:mushroom_red",
	"flowers:rose",
	"flowers:tulip",
	"flowers:viola",
	"flowers:chrysanthemum_green",
	"flowers:tulip_black",
	-- moretrees nodes
	"moretrees:beech_sapling",
	"moretrees:apple_tree_sapling",
	"moretrees:oak_sapling",
	"moretrees:sequoia_sapling",
	"moretrees:birch_sapling",
	"moretrees:palm_sapling",
	"moretrees:date_palm_sapling",
	"moretrees:spruce_sapling",
	"moretrees:cedar_sapling",
	"moretrees:poplar_sapling",
	"moretrees:poplar_small_sapling",
	"moretrees:rubber_tree_sapling",
	"moretrees:fir_sapling",
	"moretrees:jungletree_sapling",
	"moretrees:beech_sapling_ongen",
	"moretrees:apple_tree_sapling_ongen",
	"moretrees:oak_sapling_ongen",
	"moretrees:sequoia_sapling_ongen",
	"moretrees:birch_sapling_ongen",
	"moretrees:palm_sapling_ongen",
	"moretrees:date_palm_sapling_ongen",
	"moretrees:spruce_sapling_ongen",
	"moretrees:cedar_sapling_ongen",
	"moretrees:poplar_sapling_ongen",
	"moretrees:poplar_small_sapling_ongen",
	"moretrees:rubber_tree_sapling_ongen",
	"moretrees:fir_sapling_ongen",
	"moretrees:jungletree_sapling_ongen",
	-- dryplants nodes
	"dryplants:grass",
	"dryplants:grass_short",
	"dryplants:hay",
	"dryplants:juncus",
	"dryplants:juncus_02",
	"dryplants:reedmace_spikes",
	"dryplants:reedmace_top",
	"dryplants:reedmace_height_2",
	"dryplants:reedmace_height_3",
	"dryplants:reedmace_3_spikes",
	"dryplants:reedmace",
	"dryplants:reedmace_bottom",
	"dryplants:reedmace_sapling",
	-- poisonivy nodes
	"poisonivy:seedling",
	"poisonivy:sproutling",
	"poisonivy:climbing",

}) do
	if minetest.registered_nodes[node] then
		flowerpot.register_node(node)
	end
end