forked from VoxeLibre/VoxeLibre
342 lines
11 KiB
Lua
342 lines
11 KiB
Lua
local S = minetest.get_translator("mcl_ocean")
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local mod_doc = minetest.get_modpath("doc") ~= nil
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-- List of supported surfaces for seagrass and kelp
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local surfaces = {
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{ "dirt", "mcl_core:dirt" },
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{ "sand", "mcl_core:sand", 1 },
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{ "redsand", "mcl_core:redsand", 1 },
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{ "gravel", "mcl_core:gravel", 1 },
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}
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local function get_kelp_top(pos, node)
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local size = math.ceil(node.param2 / 16)
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local pos_water = table.copy(pos)
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pos_water.y = pos_water.y + size
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return pos_water, minetest.get_node(pos_water)
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end
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local function get_submerged(node_water)
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local def_water = minetest.registered_nodes[node_water.name]
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-- Submerged in water?
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if minetest.get_item_group(node_water.name, "water") then
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if def_water.liquidtype == "source" then
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return "source"
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elseif def_water.liquidtype == "flowing" then
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return "flowing"
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end
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end
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return false
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end
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local function grow_param2_step(param2, snap_into_grid)
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local old_param2 = param2
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param2 = param2 + 16
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if param2 > 240 then
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param2 = 240
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end
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if snap_into_grid and (param2 % 16 ~= 0) then
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param2 = param2 - (param2 % 16)
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end
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return param2, param2 ~= old_param2
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end
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local function kelp_check_place(pos_above, node_above, def_above)
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if minetest.get_item_group(node_above.name, "water") == 0 then
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return false
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end
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local can_place = false
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if (def_above.liquidtype == "source") then
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can_place = true
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elseif (def_above.liquidtype == "flowing") then
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-- Check if bit 3 (downwards flowing) is set
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can_place = (math.floor(node_above.param2 / 8) % 2) == 1
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if not can_place then
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-- If not, also check node above (this is needed due a weird quirk in the definition of
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-- "downwards flowing" liquids in Minetest)
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local node_above_above = minetest.get_node({x=pos_above.x,y=pos_above.y+1,z=pos_above.z})
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local naa_def = minetest.registered_nodes[node_above_above.name]
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can_place = naa_def.liquidtype == "source"
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if not can_place then
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can_place = (naa_def.liquidtype == "flowing") and ((math.floor(node_above_above.param2 / 8) % 2) == 1)
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end
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end
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end
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return can_place
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end
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local function kelp_on_place(itemstack, placer, pointed_thing)
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if pointed_thing.type ~= "node" or not placer then
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return itemstack
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end
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local player_name = placer:get_player_name()
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local pos_under = pointed_thing.under
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local pos_above = pointed_thing.above
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local node_under = minetest.get_node(pos_under)
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local node_above = minetest.get_node(pos_above)
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local def_under = minetest.registered_nodes[node_under.name]
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local def_above = minetest.registered_nodes[node_above.name]
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if def_under and def_under.on_rightclick and not placer:get_player_control().sneak then
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return def_under.on_rightclick(pos_under, node_under,
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placer, itemstack, pointed_thing) or itemstack
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end
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if minetest.is_protected(pos_under, player_name) or
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minetest.is_protected(pos_above, player_name) then
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minetest.log("action", player_name
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.. " tried to place " .. itemstack:get_name()
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.. " at protected position "
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.. minetest.pos_to_string(pos_under))
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minetest.record_protection_violation(pos_under, player_name)
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return itemstack
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end
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local grow_kelp = false
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-- Select a kelp node when placed on surface node
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if node_under.name == "mcl_core:dirt" then
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node_under.name = "mcl_ocean:kelp_dirt"
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elseif node_under.name == "mcl_core:sand" then
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node_under.name = "mcl_ocean:kelp_sand"
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elseif node_under.name == "mcl_core:redsand" then
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node_under.name = "mcl_ocean:kelp_redsand"
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elseif node_under.name == "mcl_core:gravel" then
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node_under.name = "mcl_ocean:kelp_gravel"
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elseif minetest.get_item_group(node_under.name, "kelp") == 1 then
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-- Place kelp on kelp = grow kelp by 1 node length
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node_under.param2, grow_kelp = grow_param2_step(node_under.param2)
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if not grow_kelp then
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return itemstack
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end
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else
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return itemstack
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end
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local submerged = false
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if grow_kelp then
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-- Kelp placed on kelp ...
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-- Kelp can be placed on top of another kelp to make it grow
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if pos_under.y >= pos_above.y or pos_under.x ~= pos_above.x or pos_under.z ~= pos_above.z then
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-- Placed on side or below node, abort
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return itemstack
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end
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-- New kelp top must also be submerged in water
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local top_pos, top_node = get_kelp_top(pos_under, node_under)
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local top_def = minetest.registered_nodes[top_node.name]
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submerged = kelp_check_place(top_pos, top_node, top_def)
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if not submerged then
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-- Not submerged in water, abort
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return itemstack
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end
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else
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-- New kelp placed ...
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if pos_under.y >= pos_above.y then
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-- Placed on side or below node, abort
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return itemstack
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end
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-- Kelp can be placed inside a water source or water flowing downwards on top of a surface node
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local can_place = kelp_check_place(pos_above, node_above, def_above)
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if not can_place then
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return itemstack
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end
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node_under.param2 = minetest.registered_items[node_under.name].place_param2 or 16
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end
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-- Place or grow kelp
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local def_node = minetest.registered_items[node_under.name]
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if def_node.sounds then
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minetest.sound_play(def_node.sounds.place, { gain = 0.5, pos = pos_under }, true)
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end
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minetest.set_node(pos_under, node_under)
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if not minetest.is_creative_enabled(player_name) then
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itemstack:take_item()
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end
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return itemstack
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end
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local get_kelp_height = function(param2)
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return math.floor(param2 / 16)
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end
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minetest.register_craftitem("mcl_ocean:kelp", {
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description = S("Kelp"),
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_tt_help = S("Grows in water on dirt, sand, gravel"),
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_doc_items_create_entry = false,
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inventory_image = "mcl_ocean_kelp_item.png",
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wield_image = "mcl_ocean_kelp_item.png",
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on_place = kelp_on_place,
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groups = { deco_block = 1 },
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})
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-- Kelp nodes: kelp on a surface node
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for s=1, #surfaces do
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local def = minetest.registered_nodes[surfaces[s][2]]
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local alt
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if surfaces[s][3] == 1 then
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alt = surfaces[s][2]
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end
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local sounds = table.copy(def.sounds)
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local leaf_sounds = mcl_sounds.node_sound_leaves_defaults()
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sounds.dig = leaf_sounds.dig
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sounds.dug = leaf_sounds.dug
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sounds.place = leaf_sounds.place
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local tt_help, doc_longdesc, doc_img, desc
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if surfaces[s][1] == "dirt" then
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doc_longdesc = S("Kelp grows inside water on top of dirt, sand or gravel.")
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desc = S("Kelp")
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doc_create = true
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doc_img = "mcl_ocean_kelp_item.png"
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else
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doc_create = false
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end
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minetest.register_node("mcl_ocean:kelp_"..surfaces[s][1], {
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_doc_items_entry_name = desc,
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_doc_items_longdesc = doc_longdesc,
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_doc_items_create_entry = doc_create,
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_doc_items_image = doc_img,
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drawtype = "plantlike_rooted",
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paramtype = "light",
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paramtype2 = "leveled",
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place_param2 = 16,
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tiles = def.tiles,
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special_tiles = {
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{
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image = "mcl_ocean_kelp_plant.png",
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animation = {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0},
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tileable_vertical = true,
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}
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},
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inventory_image = "("..def.tiles[1]..")^mcl_ocean_kelp_item.png",
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wield_image = "mcl_ocean_kelp_item.png",
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selection_box = {
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type = "fixed",
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fixed = {
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{ -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 },
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{ -0.5, 0.5, -0.5, 0.5, 1.5, 0.5 },
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},
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},
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groups = { dig_immediate = 3, deco_block = 1, plant = 1, kelp = 1, falling_node = surfaces[s][3] },
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sounds = sounds,
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node_dig_prediction = surfaces[s][2],
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after_dig_node = function(pos)
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minetest.set_node(pos, {name=surfaces[s][2]})
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end,
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on_dig = function(pos, node, digger)
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-- Drop kelp as item; item count depends on height
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local dname = ""
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if digger then
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dname = digger:get_player_name()
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end
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local creative = minetest.is_creative_enabled(dname)
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if not creative then
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minetest.add_item({x=pos.x, y=pos.y+1, z=pos.z}, "mcl_ocean:kelp "..get_kelp_height(node.param2))
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end
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minetest.node_dig(pos, node, digger)
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end,
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drop = "", -- drops are handled in on_dig
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_mcl_falling_node_alternative = alt,
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_mcl_hardness = 0,
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_mcl_blast_resistance = 0,
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})
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if mod_doc and surfaces[s][1] ~= "dirt" then
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doc.add_entry_alias("nodes", "mcl_ocean:kelp_dirt", "nodes", "mcl_ocean:kelp_"..surfaces[s][1])
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end
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end
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if mod_doc then
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doc.add_entry_alias("nodes", "mcl_ocean:kelp_dirt", "craftitems", "mcl_ocean:kelp")
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end
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-- Dried kelp stuff
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-- TODO: This is supposed to be eaten very fast
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minetest.register_craftitem("mcl_ocean:dried_kelp", {
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description = S("Dried Kelp"),
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_doc_items_longdesc = S("Dried kelp is a food item."),
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inventory_image = "mcl_ocean_dried_kelp.png",
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wield_image = "mcl_ocean_dried_kelp.png",
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groups = { food = 2, eatable = 1 },
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on_place = minetest.item_eat(1),
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on_secondary_use = minetest.item_eat(1),
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groups = { food = 2, eatable = 1 },
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_mcl_saturation = 0.6,
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})
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local mod_screwdriver = minetest.get_modpath("screwdriver") ~= nil
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local on_rotate
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if mod_screwdriver then
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on_rotate = screwdriver.rotate_3way
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end
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minetest.register_node("mcl_ocean:dried_kelp_block", {
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description = S("Dried Kelp Block"),
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_doc_items_longdesc = S("A decorative block that serves as a great furnace fuel."),
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tiles = { "mcl_ocean_dried_kelp_top.png", "mcl_ocean_dried_kelp_bottom.png", "mcl_ocean_dried_kelp_side.png" },
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groups = { handy = 1, building_block = 1, flammable = 2, fire_encouragement = 30, fire_flammability = 60 },
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sounds = mcl_sounds.node_sound_leaves_defaults(),
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paramtype2 = "facedir",
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on_place = mcl_util.rotate_axis,
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on_rotate = on_rotate,
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_mcl_hardness = 0.5,
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_mcl_blast_resistance = 12.5,
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})
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minetest.register_craft({
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type = "cooking",
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recipe = "mcl_ocean:kelp",
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output = "mcl_ocean:dried_kelp",
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cooktime = 10,
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})
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minetest.register_craft({
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recipe = {
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{ "mcl_ocean:dried_kelp","mcl_ocean:dried_kelp","mcl_ocean:dried_kelp" },
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{ "mcl_ocean:dried_kelp","mcl_ocean:dried_kelp","mcl_ocean:dried_kelp" },
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{ "mcl_ocean:dried_kelp","mcl_ocean:dried_kelp","mcl_ocean:dried_kelp" },
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},
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output = "mcl_ocean:dried_kelp_block",
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})
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minetest.register_craft({
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recipe = {
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{ "mcl_ocean:dried_kelp_block" },
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},
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output = "mcl_ocean:dried_kelp 9",
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})
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minetest.register_craft({
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type = "fuel",
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recipe = "mcl_ocean:dried_kelp_block",
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burntime = 200,
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})
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-- Grow kelp
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minetest.register_abm({
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label = "Kelp growth",
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nodenames = { "group:kelp" },
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interval = 45,
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chance = 12,
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catch_up = false,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local grown
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-- Grow kelp by 1 node length if it would grow inside water
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node.param2, grown = grow_param2_step(node.param2, true)
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local top, top_node = get_kelp_top(pos, node)
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local submerged = get_submerged(top_node)
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if grown then
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if submerged == "source" then
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-- Liquid source: Grow normally
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minetest.set_node(pos, node)
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elseif submerged == "flowing" then
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-- Flowing liquid: Grow 1 step, but also turn the top node into a liquid source
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minetest.set_node(pos, node)
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local def_liq = minetest.registered_nodes[top_node.name]
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local alt_liq = def_liq and def_liq.liquid_alternative_source
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if alt_liq then
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minetest.set_node(top, {name=alt_liq})
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end
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end
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end
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end,
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})
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