forked from VoxeLibre/VoxeLibre
258 lines
8.9 KiB
Lua
258 lines
8.9 KiB
Lua
mcl_structures.registered_structures = {}
|
|
|
|
local disabled_structures = minetest.settings:get("mcl_disabled_structures")
|
|
if disabled_structures then disabled_structures = disabled_structures:split(",")
|
|
else disabled_structures = {} end
|
|
|
|
local logging = minetest.settings:get_bool("mcl_logging_structures",true)
|
|
|
|
function mcl_structures.is_disabled(structname)
|
|
return table.indexof(disabled_structures,structname) ~= -1
|
|
end
|
|
|
|
function mcl_structures.fill_chests(p1,p2,loot,pr)
|
|
for it,lt in pairs(loot) do
|
|
local nodes = minetest.find_nodes_in_area(p1, p2, it)
|
|
for _,p in pairs(nodes) do
|
|
local lootitems = mcl_loot.get_multi_loot(lt, pr)
|
|
mcl_structures.init_node_construct(p)
|
|
local meta = minetest.get_meta(p)
|
|
local inv = meta:get_inventory()
|
|
mcl_loot.fill_inventory(inv, "main", lootitems, pr)
|
|
end
|
|
end
|
|
end
|
|
|
|
local function generate_loot(pos, def, pr)
|
|
local hl = def.sidelen / 2
|
|
local p1 = vector.offset(pos,-hl,-hl,-hl)
|
|
local p2 = vector.offset(pos,hl,hl,hl)
|
|
if def.loot then mcl_structures.fill_chests(p1,p2,def.loot,pr) end
|
|
end
|
|
|
|
local function construct_nodes(pos,def,pr)
|
|
local nn = minetest.find_nodes_in_area(vector.offset(pos,-def.sidelen/2,0,-def.sidelen/2),vector.offset(pos,def.sidelen/2,def.sidelen,def.sidelen/2),def.construct_nodes)
|
|
for _,p in pairs(nn) do
|
|
mcl_structures.init_node_construct(p)
|
|
end
|
|
end
|
|
|
|
|
|
function mcl_structures.find_lowest_y(pp)
|
|
local y = 31000
|
|
for _,p in pairs(pp) do
|
|
if p.y < y then y = p.y end
|
|
end
|
|
return y
|
|
end
|
|
|
|
function mcl_structures.find_highest_y(pp)
|
|
local y = -31000
|
|
for _,p in pairs(pp) do
|
|
if p.y > y then y = p.y end
|
|
end
|
|
return y
|
|
end
|
|
|
|
local function smooth_cube(nn,pos,plane,amnt)
|
|
local r = {}
|
|
local amnt = amnt or 9
|
|
table.sort(nn,function(a, b)
|
|
if false or plane then
|
|
return vector.distance(vector.new(pos.x,0,pos.z), vector.new(a.x,0,a.z)) < vector.distance(vector.new(pos.x,0,pos.z), vector.new(b.x,0,b.z))
|
|
else
|
|
return vector.distance(pos, a) < vector.distance(pos, b)
|
|
end
|
|
end)
|
|
for i=1,math.max(1,#nn-amnt) do table.insert(r,nn[i]) end
|
|
return r
|
|
end
|
|
|
|
local function find_ground(pos,nn,gn)
|
|
local r = 0
|
|
for _,v in pairs(nn) do
|
|
local p=vector.new(v)
|
|
repeat
|
|
local n = minetest.get_node(p).name
|
|
p = vector.offset(p,0,-1,0)
|
|
until not n or n == "mcl_core:bedrock" or n == "ignore" or n == gn
|
|
--minetest.log(tostring(pos.y - p.y))
|
|
if pos.y - p.y > r then r = pos.y - p.y end
|
|
end
|
|
return r
|
|
end
|
|
|
|
local function get_foundation_nodes(ground_p1,ground_p2,pos,sidelen,node_stone)
|
|
local replace = {"air","group:liquid","mcl_core:snow","group:tree","group:leaves","group:plant","grass_block","group:dirt"}
|
|
local depth = find_ground(pos,minetest.find_nodes_in_area(ground_p1,ground_p2,replace),node_stone)
|
|
local nn = smooth_cube(minetest.find_nodes_in_area(vector.offset(ground_p1,0,-1,0),vector.offset(ground_p2,0,-depth,0),replace),vector.offset(pos,0,-depth,0),true,sidelen * 64)
|
|
local stone = {}
|
|
local filler = {}
|
|
local top = {}
|
|
local dust = {}
|
|
for l,v in pairs(nn) do
|
|
if v.y == ground_p1.y - 1 then
|
|
table.insert(filler,v)
|
|
table.insert(top,vector.offset(v,0,1,0))
|
|
table.insert(dust,vector.offset(v,0,2,0))
|
|
elseif v.y < ground_p1.y -1 and v.y > ground_p2.y -4 then table.insert(filler,v)
|
|
elseif v.y < ground_p2.y - 3 and v.y > ground_p2.y -5 then
|
|
if math.random(3) == 1 then
|
|
table.insert(filler,v)
|
|
else
|
|
table.insert(stone,v)
|
|
end
|
|
else
|
|
table.insert(stone,v)
|
|
end
|
|
end
|
|
return stone,filler,top,dust
|
|
end
|
|
|
|
local function foundation(ground_p1,ground_p2,pos,sidelen)
|
|
local node_stone = "mcl_core:stone"
|
|
local node_filler = "mcl_core:dirt"
|
|
local node_top = "mcl_core:dirt_with_grass" or minetest.get_node(ground_p1).name
|
|
local node_dust = nil
|
|
|
|
if minetest.get_mapgen_setting("mg_name") ~= "v6" then
|
|
local b = minetest.registered_biomes[minetest.get_biome_name(minetest.get_biome_data(pos).biome)]
|
|
--minetest.log(dump(b.node_top))
|
|
if b then
|
|
if b.node_top then node_top = b.node_top end
|
|
if b.node_filler then node_filler = b.node_filler end
|
|
if b.node_stone then node_stone = b.node_stone end
|
|
if b.node_dust then node_dust = b.node_dust end
|
|
end
|
|
end
|
|
|
|
local stone,filler,top,dust = get_foundation_nodes(ground_p1,ground_p2,pos,sidelen,node_stone)
|
|
minetest.bulk_set_node(top,{name=node_top},node_stone)
|
|
|
|
if node_dust then
|
|
minetest.bulk_set_node(dust,{name=node_dust})
|
|
end
|
|
minetest.bulk_set_node(filler,{name=node_filler})
|
|
minetest.bulk_set_node(stone,{name=node_stone})
|
|
end
|
|
|
|
function mcl_structures.place_structure(pos, def, pr, blockseed)
|
|
if not def then return end
|
|
local log_enabled = logging and not def.terrain_feature
|
|
local y_offset = 0
|
|
if type(def.y_offset) == "function" then
|
|
y_offset = def.y_offset(pr)
|
|
elseif def.y_offset then
|
|
y_offset = def.y_offset
|
|
end
|
|
local pp = vector.offset(pos,0,y_offset,0)
|
|
if def.solid_ground and def.sidelen then
|
|
local ground_p1 = vector.offset(pos,-def.sidelen/2,-1,-def.sidelen/2)
|
|
local ground_p2 = vector.offset(pos,def.sidelen/2,-1,def.sidelen/2)
|
|
|
|
local solid = minetest.find_nodes_in_area(ground_p1,ground_p2,{"group:solid"})
|
|
if #solid < ( def.sidelen * def.sidelen ) then
|
|
if def.make_foundation then
|
|
foundation(vector.offset(pos,-def.sidelen/2 - 3,-1,-def.sidelen/2 - 3),vector.offset(pos,def.sidelen/2 + 3,-1,def.sidelen/2 + 3),pos,def.sidelen)
|
|
else
|
|
if log_enabled then
|
|
minetest.log("warning","[mcl_structures] "..def.name.." at "..minetest.pos_to_string(pp).." not placed. No solid ground.")
|
|
end
|
|
return false
|
|
end
|
|
end
|
|
end
|
|
if def.on_place and not def.on_place(pos,def,pr,blockseed) then
|
|
if log_enabled then
|
|
minetest.log("warning","[mcl_structures] "..def.name.." at "..minetest.pos_to_string(pp).." not placed. Conditions not satisfied.")
|
|
end
|
|
return false
|
|
end
|
|
if def.filenames then
|
|
if #def.filenames <= 0 then return false end
|
|
local r = pr:next(1,#def.filenames)
|
|
local file = def.filenames[r]
|
|
if file then
|
|
local ap = function(pos,def,pr,blockseed) end
|
|
if def.after_place then ap = def.after_place end
|
|
|
|
mcl_structures.place_schematic(pp, file, "random", nil, true, "place_center_x,place_center_z",function(p)
|
|
if def.loot then generate_loot(pp,def,pr,blockseed) end
|
|
if def.construct_nodes then construct_nodes(pp,def,pr,blockseed) end
|
|
return ap(pp,def,pr,blockseed)
|
|
end,pr)
|
|
if log_enabled then
|
|
minetest.log("action","[mcl_structures] "..def.name.." placed at "..minetest.pos_to_string(pp))
|
|
end
|
|
return true
|
|
end
|
|
elseif def.place_func and def.place_func(pp,def,pr,blockseed) then
|
|
if not def.after_place or ( def.after_place and def.after_place(pp,def,pr,blockseed) ) then
|
|
if def.loot then generate_loot(pp,def,pr,blockseed) end
|
|
if def.construct_nodes then construct_nodes(pp,def,pr,blockseed) end
|
|
if log_enabled then
|
|
minetest.log("action","[mcl_structures] "..def.name.." placed at "..minetest.pos_to_string(pp))
|
|
end
|
|
return true
|
|
end
|
|
end
|
|
if log_enabled then
|
|
minetest.log("warning","[mcl_structures] placing "..def.name.." failed at "..minetest.pos_to_string(pos))
|
|
end
|
|
end
|
|
|
|
function mcl_structures.register_structure(name,def,nospawn) --nospawn means it will be placed by another (non-nospawn) structure that contains it's structblock i.e. it will not be placed by mapgen directly
|
|
if mcl_structures.is_disabled(name) then return end
|
|
local structblock = "mcl_structures:structblock_"..name
|
|
local flags = "place_center_x, place_center_z, force_placement"
|
|
local y_offset = 0
|
|
local sbgroups = { structblock = 1, not_in_creative_inventory=1 }
|
|
if def.flags then flags = def.flags end
|
|
def.name = name
|
|
if nospawn then
|
|
sbgroups.structblock = nil
|
|
sbgroups.structblock_lbm = 1
|
|
else
|
|
if def.place_on then
|
|
minetest.register_on_mods_loaded(function() --make sure all previous decorations and biomes have been registered
|
|
def.deco = minetest.register_decoration({
|
|
name = "mcl_structures:deco_"..name,
|
|
decoration = structblock,
|
|
deco_type = "simple",
|
|
place_on = def.place_on,
|
|
spawn_by = def.spawn_by,
|
|
num_spawn_by = def.num_spawn_by,
|
|
sidelen = 80,
|
|
fill_ratio = def.fill_ratio,
|
|
noise_params = def.noise_params,
|
|
flags = flags,
|
|
biomes = def.biomes,
|
|
y_max = def.y_max,
|
|
y_min = def.y_min
|
|
})
|
|
minetest.register_node(":"..structblock, {drawtype="airlike", walkable = false, pointable = false,groups = sbgroups})
|
|
def.structblock = structblock
|
|
def.deco_id = minetest.get_decoration_id("mcl_structures:deco_"..name)
|
|
minetest.set_gen_notify({decoration=true}, { def.deco_id })
|
|
--catching of gennotify happens in mcl_mapgen_core
|
|
|
|
end)
|
|
end
|
|
end
|
|
mcl_structures.registered_structures[name] = def
|
|
end
|
|
|
|
--lbm for secondary structures (structblock included in base structure)
|
|
minetest.register_lbm({
|
|
name = "mcl_structures:struct_lbm",
|
|
run_at_every_load = true,
|
|
nodenames = {"group:structblock_lbm"},
|
|
action = function(pos, node)
|
|
minetest.remove_node(pos)
|
|
local name = node.name:gsub("mcl_structures:structblock_","")
|
|
local def = mcl_structures.registered_structures[name]
|
|
if not def then return end
|
|
mcl_structures.place_structure(pos)
|
|
end
|
|
})
|