mods/flowers/init.lua

   1 -- flowers/init.lua
   2
   3 -- Minetest 0.4 mod: default
   4 -- See README.txt for licensing and other information.
   5
   6
   7 -- Namespace for functions
   8
   9 flowers = {}
  10
  11 -- Load support for MT game translation.
  12 local S = minetest.get_translator("flowers")
  13
  14
  15 -- Map Generation
  16
  17 dofile(minetest.get_modpath("flowers") .. "/mapgen.lua")
  18
  19
  20 --
  21 -- Flowers
  22 --
  23
  24 -- Aliases for original flowers mod
  25
  26 minetest.register_alias("flowers:flower_rose", "flowers:rose")
  27 minetest.register_alias("flowers:flower_tulip", "flowers:tulip")
  28 minetest.register_alias("flowers:flower_dandelion_yellow", "flowers:dandelion_yellow")
  29 minetest.register_alias("flowers:flower_geranium", "flowers:geranium")
  30 minetest.register_alias("flowers:flower_viola", "flowers:viola")
  31 minetest.register_alias("flowers:flower_dandelion_white", "flowers:dandelion_white")
  32
  33
  34 -- Flower registration
  35
  36 local function add_simple_flower(name, desc, box, f_groups)
  37         -- Common flowers' groups
  38         f_groups.snappy = 3
  39         f_groups.flower = 1
  40         f_groups.flora = 1
  41         f_groups.attached_node = 1
  42
  43         minetest.register_node("flowers:" .. name, {
  44                 description = desc,
  45                 drawtype = "plantlike",
  46                 waving = 1,
  47                 tiles = {"flowers_" .. name .. ".png"},
  48                 inventory_image = "flowers_" .. name .. ".png",
  49                 wield_image = "flowers_" .. name .. ".png",
  50                 sunlight_propagates = true,
  51                 paramtype = "light",
  52                 walkable = false,
  53                 buildable_to = true,
  54                 groups = f_groups,
  55                 sounds = default.node_sound_leaves_defaults(),
  56                 selection_box = {
  57                         type = "fixed",
  58                         fixed = box
  59                 }
  60         })
  61 end
  62
  63 flowers.datas = {
  64         {
  65                 "rose",
  66                 S("Red Rose"),
  67                 {-2 / 16, -0.5, -2 / 16, 2 / 16, 5 / 16, 2 / 16},
  68                 {color_red = 1, flammable = 1}
  69         },
  70         {
  71                 "tulip",
  72                 S("Orange Tulip"),
  73                 {-2 / 16, -0.5, -2 / 16, 2 / 16, 3 / 16, 2 / 16},
  74                 {color_orange = 1, flammable = 1}
  75         },
  76         {
  77                 "dandelion_yellow",
  78                 S("Yellow Dandelion"),
  79                 {-4 / 16, -0.5, -4 / 16, 4 / 16, -2 / 16, 4 / 16},
  80                 {color_yellow = 1, flammable = 1}
  81         },
  82         {
  83                 "chrysanthemum_green",
  84                 S("Green Chrysanthemum"),
  85                 {-4 / 16, -0.5, -4 / 16, 4 / 16, -1 / 16, 4 / 16},
  86                 {color_green = 1, flammable = 1}
  87         },
  88         {
  89                 "geranium",
  90                 S("Blue Geranium"),
  91                 {-2 / 16, -0.5, -2 / 16, 2 / 16, 2 / 16, 2 / 16},
  92                 {color_blue = 1, flammable = 1}
  93         },
  94         {
  95                 "viola",
  96                 S("Viola"),
  97                 {-5 / 16, -0.5, -5 / 16, 5 / 16, -1 / 16, 5 / 16},
  98                 {color_violet = 1, flammable = 1}
  99         },
 100         {
 101                 "dandelion_white",
 102                 S("White Dandelion"),
 103                 {-5 / 16, -0.5, -5 / 16, 5 / 16, -2 / 16, 5 / 16},
 104                 {color_white = 1, flammable = 1}
 105         },
 106         {
 107                 "tulip_black",
 108                 S("Black Tulip"),
 109                 {-2 / 16, -0.5, -2 / 16, 2 / 16, 3 / 16, 2 / 16},
 110                 {color_black = 1, flammable = 1}
 111         },
 112 }
 113
 114 for _,item in pairs(flowers.datas) do
 115         add_simple_flower(unpack(item))
 116 end
 117
 118
 119 -- Flower spread
 120 -- Public function to enable override by mods
 121
 122 function flowers.flower_spread(pos, node)
 123         pos.y = pos.y - 1
 124         local under = minetest.get_node(pos)
 125         pos.y = pos.y + 1
 126         -- Replace flora with dry shrub in desert sand and silver sand,
 127         -- as this is the only way to generate them.
 128         -- However, preserve grasses in sand dune biomes.
 129         if minetest.get_item_group(under.name, "sand") == 1 and
 130                         under.name ~= "default:sand" then
 131                 minetest.set_node(pos, {name = "default:dry_shrub"})
 132                 return
 133         end
 134
 135         if minetest.get_item_group(under.name, "soil") == 0 then
 136                 return
 137         end
 138
 139         local light = minetest.get_node_light(pos)
 140         if not light or light < 13 then
 141                 return
 142         end
 143
 144         local pos0 = vector.subtract(pos, 4)
 145         local pos1 = vector.add(pos, 4)
 146         -- Testing shows that a threshold of 3 results in an appropriate maximum
 147         -- density of approximately 7 flora per 9x9 area.
 148         if #minetest.find_nodes_in_area(pos0, pos1, "group:flora") > 3 then
 149                 return
 150         end
 151
 152         local soils = minetest.find_nodes_in_area_under_air(
 153                 pos0, pos1, "group:soil")
 154         local num_soils = #soils
 155         if num_soils >= 1 then
 156                 for si = 1, math.min(3, num_soils) do
 157                         local soil = soils[math.random(num_soils)]
 158                         local soil_name = minetest.get_node(soil).name
 159                         local soil_above = {x = soil.x, y = soil.y + 1, z = soil.z}
 160                         light = minetest.get_node_light(soil_above)
 161                         if light and light >= 13 and
 162                                         -- Only spread to same surface node
 163                                         soil_name == under.name and
 164                                         -- Desert sand is in the soil group
 165                                         soil_name ~= "default:desert_sand" then
 166                                 minetest.set_node(soil_above, {name = node.name})
 167                         end
 168                 end
 169         end
 170 end
 171
 172 minetest.register_abm({
 173         label = "Flower spread",
 174         nodenames = {"group:flora"},
 175         interval = 13,
 176         chance = 300,
 177         action = function(...)
 178                 flowers.flower_spread(...)
 179         end,
 180 })
 181
 182
 183 --
 184 -- Mushrooms
 185 --
 186
 187 minetest.register_node("flowers:mushroom_red", {
 188         description = S("Red Mushroom"),
 189         tiles = {"flowers_mushroom_red.png"},
 190         inventory_image = "flowers_mushroom_red.png",
 191         wield_image = "flowers_mushroom_red.png",
 192         drawtype = "plantlike",
 193         paramtype = "light",
 194         sunlight_propagates = true,
 195         walkable = false,
 196         buildable_to = true,
 197         groups = {mushroom = 1, snappy = 3, attached_node = 1, flammable = 1},
 198         sounds = default.node_sound_leaves_defaults(),
 199         on_use = minetest.item_eat(-5),
 200         selection_box = {
 201                 type = "fixed",
 202                 fixed = {-4 / 16, -0.5, -4 / 16, 4 / 16, -1 / 16, 4 / 16},
 203         }
 204 })
 205
 206 minetest.register_node("flowers:mushroom_brown", {
 207         description = S("Brown Mushroom"),
 208         tiles = {"flowers_mushroom_brown.png"},
 209         inventory_image = "flowers_mushroom_brown.png",
 210         wield_image = "flowers_mushroom_brown.png",
 211         drawtype = "plantlike",
 212         paramtype = "light",
 213         sunlight_propagates = true,
 214         walkable = false,
 215         buildable_to = true,
 216         groups = {mushroom = 1, food_mushroom = 1, snappy = 3, attached_node = 1, flammable = 1},
 217         sounds = default.node_sound_leaves_defaults(),
 218         on_use = minetest.item_eat(1),
 219         selection_box = {
 220                 type = "fixed",
 221                 fixed = {-3 / 16, -0.5, -3 / 16, 3 / 16, -2 / 16, 3 / 16},
 222         }
 223 })
 224
 225
 226 -- Mushroom spread and death
 227
 228 function flowers.mushroom_spread(pos, node)
 229         if minetest.get_node_light(pos, 0.5) > 3 then
 230                 if minetest.get_node_light(pos, nil) == 15 then
 231                         minetest.remove_node(pos)
 232                 end
 233                 return
 234         end
 235         local positions = minetest.find_nodes_in_area_under_air(
 236                 {x = pos.x - 1, y = pos.y - 2, z = pos.z - 1},
 237                 {x = pos.x + 1, y = pos.y + 1, z = pos.z + 1},
 238                 {"group:soil", "group:tree"})
 239         if #positions == 0 then
 240                 return
 241         end
 242         local pos2 = positions[math.random(#positions)]
 243         pos2.y = pos2.y + 1
 244         if minetest.get_node_light(pos2, 0.5) <= 3 then
 245                 minetest.set_node(pos2, {name = node.name})
 246         end
 247 end
 248
 249 minetest.register_abm({
 250         label = "Mushroom spread",
 251         nodenames = {"flowers:mushroom_brown", "flowers:mushroom_red"},
 252         interval = 11,
 253         chance = 150,
 254         action = function(...)
 255                 flowers.mushroom_spread(...)
 256         end,
 257 })
 258
 259
 260 -- These old mushroom related nodes can be simplified now
 261
 262 minetest.register_alias("flowers:mushroom_spores_brown", "flowers:mushroom_brown")
 263 minetest.register_alias("flowers:mushroom_spores_red", "flowers:mushroom_red")
 264 minetest.register_alias("flowers:mushroom_fertile_brown", "flowers:mushroom_brown")
 265 minetest.register_alias("flowers:mushroom_fertile_red", "flowers:mushroom_red")
 266 minetest.register_alias("mushroom:brown_natural", "flowers:mushroom_brown")
 267 minetest.register_alias("mushroom:red_natural", "flowers:mushroom_red")
 268
 269
 270 --
 271 -- Waterlily
 272 --
 273
 274 local waterlily_def = {
 275         description = S("Waterlily"),
 276         drawtype = "nodebox",
 277         paramtype = "light",
 278         paramtype2 = "facedir",
 279         tiles = {"flowers_waterlily.png", "flowers_waterlily_bottom.png"},
 280         inventory_image = "flowers_waterlily.png",
 281         wield_image = "flowers_waterlily.png",
 282         liquids_pointable = true,
 283         walkable = false,
 284         buildable_to = true,
 285         floodable = true,
 286         groups = {snappy = 3, flower = 1, flammable = 1},
 287         sounds = default.node_sound_leaves_defaults(),
 288         node_placement_prediction = "",
 289         node_box = {
 290                 type = "fixed",
 291                 fixed = {-0.5, -31 / 64, -0.5, 0.5, -15 / 32, 0.5}
 292         },
 293         selection_box = {
 294                 type = "fixed",
 295                 fixed = {-7 / 16, -0.5, -7 / 16, 7 / 16, -15 / 32, 7 / 16}
 296         },
 297
 298         on_place = function(itemstack, placer, pointed_thing)
 299                 local pos = pointed_thing.above
 300                 local node = minetest.get_node(pointed_thing.under)
 301                 local def = minetest.registered_nodes[node.name]
 302
 303                 if def and def.on_rightclick then
 304                         return def.on_rightclick(pointed_thing.under, node, placer, itemstack,
 305                                         pointed_thing)
 306                 end
 307
 308                 if def and def.liquidtype == "source" and
 309                                 minetest.get_item_group(node.name, "water") > 0 then
 310                         local player_name = placer and placer:get_player_name() or ""
 311                         if not minetest.is_protected(pos, player_name) then
 312                                 minetest.set_node(pos, {name = "flowers:waterlily" ..
 313                                         (def.waving == 3 and "_waving" or ""),
 314                                         param2 = math.random(0, 3)})
 315                                 if not (creative and creative.is_enabled_for
 316                                                 and creative.is_enabled_for(player_name)) then
 317                                         itemstack:take_item()
 318                                 end
 319                         else
 320                                 minetest.chat_send_player(player_name, "Node is protected")
 321                                 minetest.record_protection_violation(pos, player_name)
 322                         end
 323                 end
 324
 325                 return itemstack
 326         end
 327 }
 328
 329 local waterlily_waving_def = table.copy(waterlily_def)
 330 waterlily_waving_def.waving = 3
 331 waterlily_waving_def.drop = "flowers:waterlily"
 332 waterlily_waving_def.groups.not_in_creative_inventory = 1
 333
 334 minetest.register_node("flowers:waterlily", waterlily_def)
 335 minetest.register_node("flowers:waterlily_waving", waterlily_waving_def)
 336