Flora spread: Re-enable dry shrub replacing flora in desert sand
[oweals/minetest_game.git] / mods / flowers / init.lua
index 4037b8207abbbb25725365ff8c939b45c0014d59..db7a4eb35178956aa0a667f71710894ff0039be7 100644 (file)
 -- Minetest 0.4 mod: default
 -- See README.txt for licensing and other information.
 
+
+-- Namespace for functions
+
+flowers = {}
+
+
 -- Map Generation
-dofile(minetest.get_modpath("flowers").."/mapgen.lua")
+
+dofile(minetest.get_modpath("flowers") .. "/mapgen.lua")
+
+
+--
+-- Flowers
+--
 
 -- Aliases for original flowers mod
-minetest.register_alias("flowers:flower_dandelion_white", "flowers:dandelion_white")
-minetest.register_alias("flowers:flower_dandelion_yellow", "flowers:dandelion_yellow")
-minetest.register_alias("flowers:flower_geranium", "flowers:geranium")
+
 minetest.register_alias("flowers:flower_rose", "flowers:rose")
 minetest.register_alias("flowers:flower_tulip", "flowers:tulip")
+minetest.register_alias("flowers:flower_dandelion_yellow", "flowers:dandelion_yellow")
+minetest.register_alias("flowers:flower_geranium", "flowers:geranium")
 minetest.register_alias("flowers:flower_viola", "flowers:viola")
+minetest.register_alias("flowers:flower_dandelion_white", "flowers:dandelion_white")
 
--- Flower registration function
-local function add_simple_flower(name, desc, image, f_groups)
-       minetest.register_node("flowers:"..name.."", {
+
+-- Flower registration
+
+local function add_simple_flower(name, desc, box, f_groups)
+       -- Common flowers' groups
+       f_groups.snappy = 3
+       f_groups.flower = 1
+       f_groups.flora = 1
+       f_groups.attached_node = 1
+
+       minetest.register_node("flowers:" .. name, {
                description = desc,
                drawtype = "plantlike",
-               tiles = { image..".png" },
-               inventory_image = image..".png",
-               wield_image = image..".png",
+               waving = 1,
+               tiles = {"flowers_" .. name .. ".png"},
+               inventory_image = "flowers_" .. name .. ".png",
+               wield_image = "flowers_" .. name .. ".png",
                sunlight_propagates = true,
                paramtype = "light",
                walkable = false,
+               buildable_to = true,
                stack_max = 99,
                groups = f_groups,
                sounds = default.node_sound_leaves_defaults(),
                selection_box = {
                        type = "fixed",
-                       fixed = { -0.15, -0.5, -0.15, 0.15, 0.2, 0.15 },
-               },
+                       fixed = box
+               }
        })
 end
 
--- Registrations using the function above
-add_simple_flower("dandelion_yellow", "Yellow Dandelion", "flowers_dandelion_yellow", {snappy=3,flammable=2,flower=1,flora=1,attached_node=1,dig_by_water=1,color_yellow=1})
-add_simple_flower("geranium", "Blue Geranium", "flowers_geranium", {snappy=3,flammable=2,flower=1,flora=1,attached_node=1,dig_by_water=1,color_blue=1})
-add_simple_flower("rose", "Rose", "flowers_rose", {snappy=3,flammable=2,flower=1,flora=1,attached_node=1,dig_by_water=1,color_red=1})
-add_simple_flower("tulip", "Orange Tulip", "flowers_tulip", {snappy=3,flammable=2,flower=1,flora=1,attached_node=1,dig_by_water=1,color_orange=1})
-add_simple_flower("dandelion_white", "White dandelion", "flowers_dandelion_white",{snappy=3,flammable=2,flower=1,flora=1,attached_node=1,color_white=1})
-add_simple_flower("viola", "Viola", "flowers_viola", {snappy=3,flammable=2,flower=1,flora=1,attached_node=1,color_violet=1})
+flowers.datas = {
+       {
+               "rose",
+               "Rose",
+               {-2 / 16, -0.5, -2 / 16, 2 / 16, 5 / 16, 2 / 16},
+               {color_red = 1, flammable = 1}
+       },
+       {
+               "tulip",
+               "Orange Tulip",
+               {-2 / 16, -0.5, -2 / 16, 2 / 16, 3 / 16, 2 / 16},
+               {color_orange = 1, flammable = 1}
+       },
+       {
+               "dandelion_yellow",
+               "Yellow Dandelion",
+               {-2 / 16, -0.5, -2 / 16, 2 / 16, 4 / 16, 2 / 16},
+               {color_yellow = 1, flammable = 1}
+       },
+       {
+               "geranium",
+               "Blue Geranium",
+               {-2 / 16, -0.5, -2 / 16, 2 / 16, 2 / 16, 2 / 16},
+               {color_blue = 1, flammable = 1}
+       },
+       {
+               "viola",
+               "Viola",
+               {-5 / 16, -0.5, -5 / 16, 5 / 16, -1 / 16, 5 / 16},
+               {color_violet = 1, flammable = 1}
+       },
+       {
+               "dandelion_white",
+               "White dandelion",
+               {-5 / 16, -0.5, -5 / 16, 5 / 16, -2 / 16, 5 / 16},
+               {color_white = 1, flammable = 1}
+       },
+}
+
+for _,item in pairs(flowers.datas) do
+       add_simple_flower(unpack(item))
+end
+
+
+-- Flower spread
+-- Public function to enable override by mods
 
+function flowers.flower_spread(pos, node)
+       pos.y = pos.y - 1
+       local under = minetest.get_node(pos)
+       pos.y = pos.y + 1
+       -- Replace flora with dry shrub in desert sand and silver sand,
+       -- as this is the only way to generate them.
+       -- However, preserve grasses in sand dune biomes.
+       if minetest.get_item_group(under.name, "sand") == 1 and
+                       under.name ~= "default:sand" then
+               minetest.set_node(pos, {name = "default:dry_shrub"})
+               return
+       end
+
+       if minetest.get_item_group(under.name, "soil") == 0 then
+               return
+       end
+
+       local light = minetest.get_node_light(pos)
+       if not light or light < 13 then
+               return
+       end
+
+       local pos0 = vector.subtract(pos, 4)
+       local pos1 = vector.add(pos, 4)
+       if #minetest.find_nodes_in_area(pos0, pos1, "group:flora") > 3 then
+               return
+       end
+
+       local soils = minetest.find_nodes_in_area_under_air(
+               pos0, pos1, "group:soil")
+       if #soils > 0 then
+               local seedling = soils[math.random(#soils)]
+               local seedling_above =
+                       {x = seedling.x, y = seedling.y + 1, z = seedling.z}
+               light = minetest.get_node_light(seedling_above)
+               if not light or light < 13 or
+                               -- Desert sand is in the soil group
+                               minetest.get_node(seedling).name == "default:desert_sand" then
+                       return
+               end
+
+               minetest.set_node(seedling_above, {name = node.name})
+       end
+end
 
 minetest.register_abm({
+       label = "Flower spread",
        nodenames = {"group:flora"},
-       neighbors = {"default:dirt_with_grass", "default:desert_sand"},
-       interval = 50,
-       chance = 25,
+       interval = 13,
+       chance = 96,
+       action = function(...)
+               flowers.flower_spread(...)
+       end,
+})
+
+
+--
+-- Mushrooms
+--
+
+minetest.register_node("flowers:mushroom_red", {
+       description = "Red Mushroom",
+       tiles = {"flowers_mushroom_red.png"},
+       inventory_image = "flowers_mushroom_red.png",
+       wield_image = "flowers_mushroom_red.png",
+       drawtype = "plantlike",
+       paramtype = "light",
+       sunlight_propagates = true,
+       walkable = false,
+       buildable_to = true,
+       groups = {snappy = 3, attached_node = 1, flammable = 1},
+       sounds = default.node_sound_leaves_defaults(),
+       on_use = minetest.item_eat(-5),
+       selection_box = {
+               type = "fixed",
+               fixed = {-4 / 16, -0.5, -4 / 16, 4 / 16, -1 / 16, 4 / 16},
+       }
+})
+
+minetest.register_node("flowers:mushroom_brown", {
+       description = "Brown Mushroom",
+       tiles = {"flowers_mushroom_brown.png"},
+       inventory_image = "flowers_mushroom_brown.png",
+       wield_image = "flowers_mushroom_brown.png",
+       drawtype = "plantlike",
+       paramtype = "light",
+       sunlight_propagates = true,
+       walkable = false,
+       buildable_to = true,
+       groups = {snappy = 3, attached_node = 1, flammable = 1},
+       sounds = default.node_sound_leaves_defaults(),
+       on_use = minetest.item_eat(1),
+       selection_box = {
+               type = "fixed",
+               fixed = {-3 / 16, -0.5, -3 / 16, 3 / 16, -2 / 16, 3 / 16},
+       }
+})
+
+
+-- Mushroom spread and death
+
+minetest.register_abm({
+       label = "Mushroom spread",
+       nodenames = {"flowers:mushroom_brown", "flowers:mushroom_red"},
+       interval = 11,
+       chance = 50,
        action = function(pos, node)
-               pos.y = pos.y - 1
-               local under = minetest.get_node(pos)
-               pos.y = pos.y + 1
-               if under.name == "default:desert_sand" then
-                       minetest.set_node(pos, {name="default:dry_shrub"})
-               elseif under.name ~= "default:dirt_with_grass" then
+               if minetest.get_node_light(pos, nil) == 15 then
+                       minetest.remove_node(pos)
                        return
                end
-               
-               local light = minetest.get_node_light(pos)
-               if not light or light < 13 then
+               local random = {
+                       x = pos.x + math.random(-2, 2),
+                       y = pos.y + math.random(-1, 1),
+                       z = pos.z + math.random(-2, 2)
+               }
+               local random_node = minetest.get_node_or_nil(random)
+               if not random_node or random_node.name ~= "air" then
                        return
                end
-               
-               local pos0 = {x=pos.x-4,y=pos.y-4,z=pos.z-4}
-               local pos1 = {x=pos.x+4,y=pos.y+4,z=pos.z+4}
-               if #minetest.find_nodes_in_area(pos0, pos1, "group:flora_block") > 0 then
+               local node_under = minetest.get_node_or_nil({x = random.x,
+                       y = random.y - 1, z = random.z})
+               if not node_under then
                        return
                end
-               
-               local flowers = minetest.find_nodes_in_area(pos0, pos1, "group:flora")
-               if #flowers > 3 then
-                       return
+
+               if (minetest.get_item_group(node_under.name, "soil") ~= 0 or
+                               minetest.get_item_group(node_under.name, "tree") ~= 0) and
+                               minetest.get_node_light(pos, 0.5) <= 3 and
+                               minetest.get_node_light(random, 0.5) <= 3 then
+                       minetest.set_node(random, {name = node.name})
                end
-               
-               local seedling = minetest.find_nodes_in_area(pos0, pos1, "default:dirt_with_grass")
-               if #seedling > 0 then
-                       seedling = seedling[math.random(#seedling)]
-                       seedling.y = seedling.y + 1
-                       light = minetest.get_node_light(seedling)
-                       if not light or light < 13 then
-                               return
-                       end
-                       if minetest.get_node(seedling).name == "air" then
-                               minetest.set_node(seedling, {name=node.name})
+       end
+})
+
+
+-- These old mushroom related nodes can be simplified now
+
+minetest.register_alias("flowers:mushroom_spores_brown", "flowers:mushroom_brown")
+minetest.register_alias("flowers:mushroom_spores_red", "flowers:mushroom_red")
+minetest.register_alias("flowers:mushroom_fertile_brown", "flowers:mushroom_brown")
+minetest.register_alias("flowers:mushroom_fertile_red", "flowers:mushroom_red")
+minetest.register_alias("mushroom:brown_natural", "flowers:mushroom_brown")
+minetest.register_alias("mushroom:red_natural", "flowers:mushroom_red")
+
+
+--
+-- Waterlily
+--
+
+minetest.register_node("flowers:waterlily", {
+       description = "Waterlily",
+       drawtype = "nodebox",
+       paramtype = "light",
+       paramtype2 = "facedir",
+       tiles = {"flowers_waterlily.png", "flowers_waterlily_bottom.png"},
+       inventory_image = "flowers_waterlily.png",
+       wield_image = "flowers_waterlily.png",
+       liquids_pointable = true,
+       walkable = false,
+       buildable_to = true,
+       sunlight_propagates = true,
+       floodable = true,
+       groups = {snappy = 3, flower = 1, flammable = 1},
+       sounds = default.node_sound_leaves_defaults(),
+       node_placement_prediction = "",
+       node_box = {
+               type = "fixed",
+               fixed = {-0.5, -31 / 64, -0.5, 0.5, -15 / 32, 0.5}
+       },
+       selection_box = {
+               type = "fixed",
+               fixed = {-7 / 16, -0.5, -7 / 16, 7 / 16, -15 / 32, 7 / 16}
+       },
+
+       on_place = function(itemstack, placer, pointed_thing)
+               local pos = pointed_thing.above
+               local node = minetest.get_node(pointed_thing.under).name
+               local def = minetest.registered_nodes[node]
+               local player_name = placer:get_player_name()
+
+               if def and def.liquidtype == "source" and
+                               minetest.get_item_group(node, "water") > 0 then
+                       if not minetest.is_protected(pos, player_name) then
+                               minetest.set_node(pos, {name = "flowers:waterlily",
+                                       param2 = math.random(0, 3)})
+                               if not minetest.setting_getbool("creative_mode") then
+                                       itemstack:take_item()
+                               end
+                       else
+                               minetest.chat_send_player(player_name, "Node is protected")
+                               minetest.record_protection_violation(pos, player_name)
                        end
                end
-       end,
+
+               return itemstack
+       end
 })