VoxeLibre/mods/MAPGEN/mcl_villages/buildings.lua
cora fca259c074 fix crash during (artificial) village creation
when using the village tool doing that on an unsuitable location
would result in no position for the belltower being available
this checks for that and ... doesn't crash then ^^
2022-05-22 02:01:21 +02:00

332 lines
12 KiB
Lua

--[[
-------------------------------------------------------------------------------
-- build schematic, replace material, rotation
-------------------------------------------------------------------------------
function settlements.build_schematic(vm, data, va, pos, building, replace_wall, name)
-- get building node material for better integration to surrounding
local platform_material = mcl_vars.get_node(pos)
if not platform_material or (platform_material.name == "air" or platform_material.name == "ignore") then
return
end
platform_material = platform_material.name
-- pick random material
local material = wallmaterial[math.random(1,#wallmaterial)]
-- schematic conversion to lua
local schem_lua = minetest.serialize_schematic(building,
"lua",
{lua_use_comments = false, lua_num_indent_spaces = 0}).." return schematic"
-- replace material
if replace_wall == "y" then
schem_lua = schem_lua:gsub("mcl_core:cobble", material)
end
schem_lua = schem_lua:gsub("mcl_core:dirt_with_grass",
platform_material)
-- Disable special junglewood for now.
-- special material for spawning npcs
-- schem_lua = schem_lua:gsub("mcl_core:junglewood",
-- "settlements:junglewood")
--
-- format schematic string
local schematic = loadstring(schem_lua)()
-- build foundation for the building an make room above
local width = schematic["size"]["x"]
local depth = schematic["size"]["z"]
local height = schematic["size"]["y"]
local possible_rotations = {"0", "90", "180", "270"}
local rotation = possible_rotations[ math.random( #possible_rotations ) ]
settlements.foundation(
pos,
width,
depth,
height,
rotation)
vm:set_data(data)
-- place schematic
minetest.place_schematic_on_vmanip(
vm,
pos,
schematic,
rotation,
nil,
true)
vm:write_to_map(true)
end]]
-------------------------------------------------------------------------------
-- initialize settlement_info
-------------------------------------------------------------------------------
function settlements.initialize_settlement_info(pr)
local count_buildings = {}
-- count_buildings table reset
for k,v in pairs(settlements.schematic_table) do
count_buildings[v["name"]] = 0
end
-- randomize number of buildings
local number_of_buildings = pr:next(10, 25)
local number_built = 1
settlements.debug("Village ".. number_of_buildings)
return count_buildings, number_of_buildings, number_built
end
-------------------------------------------------------------------------------
-- fill settlement_info
--------------------------------------------------------------------------------
function settlements.create_site_plan(maxp, minp, pr)
local settlement_info = {}
local building_all_info
local possible_rotations = {"0", "90", "180", "270"}
-- find center of chunk
local center = {
x=math.floor((minp.x+maxp.x)/2),
y=maxp.y,
z=math.floor((minp.z+maxp.z)/2)
}
-- find center_surface of chunk
local center_surface , surface_material = settlements.find_surface(center, true)
local chunks = {}
chunks[mcl_vars.get_chunk_number(center)] = true
-- go build settlement around center
if not center_surface then return false end
-- initialize all settlement_info table
local count_buildings, number_of_buildings, number_built = settlements.initialize_settlement_info(pr)
-- first building is townhall in the center
building_all_info = settlements.schematic_table[1]
local rotation = possible_rotations[ pr:next(1, #possible_rotations ) ]
-- add to settlement info table
local index = 1
settlement_info[index] = {
pos = center_surface,
name = building_all_info["name"],
hsize = building_all_info["hsize"],
rotat = rotation,
surface_mat = surface_material
}
--increase index for following buildings
index = index + 1
-- now some buildings around in a circle, radius = size of town center
local x, z, r = center_surface.x, center_surface.z, building_all_info["hsize"]
-- draw j circles around center and increase radius by math.random(2,5)
for j = 1,20 do
-- set position on imaginary circle
for j = 0, 360, 15 do
local angle = j * math.pi / 180
local ptx, ptz = x + r * math.cos( angle ), z + r * math.sin( angle )
ptx = settlements.round(ptx, 0)
ptz = settlements.round(ptz, 0)
local pos1 = { x=ptx, y=center_surface.y+50, z=ptz}
local chunk_number = mcl_vars.get_chunk_number(pos1)
local pos_surface, surface_material
if chunks[chunk_number] then
pos_surface, surface_material = settlements.find_surface(pos1)
else
chunks[chunk_number] = true
pos_surface, surface_material = settlements.find_surface(pos1, true)
end
if not pos_surface then break end
local randomized_schematic_table = shuffle(settlements.schematic_table, pr)
-- pick schematic
local size = #randomized_schematic_table
for i = size, 1, -1 do
-- already enough buildings of that type?
if count_buildings[randomized_schematic_table[i]["name"]] < randomized_schematic_table[i]["max_num"]*number_of_buildings then
building_all_info = randomized_schematic_table[i]
-- check distance to other buildings
local distance_to_other_buildings_ok = settlements.check_distance(settlement_info, pos_surface, building_all_info["hsize"])
if distance_to_other_buildings_ok then
-- count built houses
count_buildings[building_all_info["name"]] = count_buildings[building_all_info["name"]] +1
rotation = possible_rotations[ pr:next(1, #possible_rotations ) ]
number_built = number_built + 1
settlement_info[index] = {
pos = pos_surface,
name = building_all_info["name"],
hsize = building_all_info["hsize"],
rotat = rotation,
surface_mat = surface_material
}
index = index + 1
break
end
end
end
if number_of_buildings == number_built then
break
end
end
if number_built >= number_of_buildings then
break
end
r = r + pr:next(2,5)
end
settlements.debug("really ".. number_built)
return settlement_info
end
-------------------------------------------------------------------------------
-- evaluate settlement_info and place schematics
-------------------------------------------------------------------------------
-- Initialize node
local function construct_node(p1, p2, name)
local r = minetest.registered_nodes[name]
if r then
if r.on_construct then
local nodes = minetest.find_nodes_in_area(p1, p2, name)
for p=1, #nodes do
local pos = nodes[p]
r.on_construct(pos)
end
return nodes
end
minetest.log("warning", "[mcl_villages] No on_construct defined for node name " .. name)
return
end
minetest.log("warning", "[mcl_villages] Attempt to 'construct' inexistant nodes: " .. name)
end
local function spawn_iron_golem(pos)
local p = minetest.find_node_near(pos,50,"mcl_core:grass_path")
if p then
local l=minetest.add_entity(p,"mobs_mc:iron_golem"):get_luaentity()
if l then
l._home = p
end
end
end
local function spawn_villagers(minp,maxp)
local beds=minetest.find_nodes_in_area(vector.offset(minp,-20,-20,-20),vector.offset(maxp,20,20,20),{"mcl_beds:bed_red_bottom"})
for _,bed in pairs(beds) do
local m = minetest.get_meta(bed)
if m:get_string("villager") == "" then
local v=minetest.add_entity(bed,"mobs_mc:villager")
if v then
local l=v:get_luaentity()
l._bed = bed
m:set_string("villager",l._id)
end
end
end
end
local function init_nodes(p1, p2, size, rotation, pr)
construct_node(p1, p2, "mcl_itemframes:item_frame")
construct_node(p1, p2, "mcl_furnaces:furnace")
construct_node(p1, p2, "mcl_anvils:anvil")
construct_node(p1, p2, "mcl_smoker:smoker")
construct_node(p1, p2, "mcl_barrels:barrel_closed")
construct_node(p1, p2, "mcl_blast_furnace:blast_furnace")
construct_node(p1, p2, "mcl_brewing:stand_000")
local nodes = construct_node(p1, p2, "mcl_chests:chest")
if nodes and #nodes > 0 then
for p=1, #nodes do
local pos = nodes[p]
settlements.fill_chest(pos, pr)
end
end
end
function settlements.place_schematics(settlement_info, pr)
local building_all_info
--attempt to place one belltower in the center of the village - this doesn't always work out great but it's a lot better than doing it first or last.
local belltower = table.remove(settlement_info,math.floor(#settlement_info/2))
if belltower then
mcl_structures.place_schematic(
vector.offset(belltower["pos"],0,0,0),
settlements.modpath.."/schematics/belltower.mts",
belltower["rotation"],
nil,
true,
nil,
function(p1, p2, size, rotation, pr)
spawn_iron_golem(p1)
end,
pr
)
end
for i, built_house in ipairs(settlement_info) do
local is_last = i == #settlement_info
for j, schem in ipairs(settlements.schematic_table) do
if settlement_info[i]["name"] == schem["name"] then
building_all_info = schem
break
end
end
local pos = settlement_info[i]["pos"]
local rotation = settlement_info[i]["rotat"]
-- get building node material for better integration to surrounding
local platform_material = settlement_info[i]["surface_mat"]
--platform_material_name = minetest.get_name_from_content_id(platform_material)
-- pick random material
--local material = wallmaterial[pr:next(1,#wallmaterial)]
--
local building = building_all_info["mts"]
local replace_wall = building_all_info["rplc"]
-- schematic conversion to lua
local schem_lua = minetest.serialize_schematic(building,
"lua",
{lua_use_comments = false, lua_num_indent_spaces = 0}).." return schematic"
schem_lua = schem_lua:gsub("mcl_core:stonebrickcarved", "mcl_villages:stonebrickcarved")
-- replace material
if replace_wall then
--Note, block substitution isn't matching node names exactly; so nodes that are to be substituted that have the same prefixes cause bugs.
-- Example: Attempting to swap out 'mcl_core:stonebrick'; which has multiple, additional sub-variants: (carved, cracked, mossy). Will currently cause issues, so leaving disabled.
if platform_material == "mcl_core:snow" or platform_material == "mcl_core:dirt_with_grass_snow" or platform_material == "mcl_core:podzol" then
schem_lua = schem_lua:gsub("mcl_core:tree", "mcl_core:sprucetree")
schem_lua = schem_lua:gsub("mcl_core:wood", "mcl_core:sprucewood")
--schem_lua = schem_lua:gsub("mcl_fences:fence", "mcl_fences:spruce_fence")
--schem_lua = schem_lua:gsub("mcl_stairs:slab_wood_top", "mcl_stairs:slab_sprucewood_top")
--schem_lua = schem_lua:gsub("mcl_stairs:stair_wood", "mcl_stairs:stair_sprucewood")
--schem_lua = schem_lua:gsub("mesecons_pressureplates:pressure_plate_wood_off", "mesecons_pressureplates:pressure_plate_sprucewood_off")
elseif platform_material == "mcl_core:sand" or platform_material == "mcl_core:redsand" then
schem_lua = schem_lua:gsub("mcl_core:tree", "mcl_core:sandstonecarved")
schem_lua = schem_lua:gsub("mcl_core:cobble", "mcl_core:sandstone")
schem_lua = schem_lua:gsub("mcl_core:wood", "mcl_core:sandstonesmooth")
--schem_lua = schem_lua:gsub("mcl_fences:fence", "mcl_fences:birch_fence")
--schem_lua = schem_lua:gsub("mcl_stairs:slab_wood_top", "mcl_stairs:slab_birchwood_top")
--schem_lua = schem_lua:gsub("mcl_stairs:stair_wood", "mcl_stairs:stair_birchwood")
--schem_lua = schem_lua:gsub("mesecons_pressureplates:pressure_plate_wood_off", "mesecons_pressureplates:pressure_plate_birchwood_off")
--schem_lua = schem_lua:gsub("mcl_stairs:stair_stonebrick", "mcl_stairs:stair_redsandstone")
--schem_lua = schem_lua:gsub("mcl_core:stonebrick", "mcl_core:redsandstonesmooth")
schem_lua = schem_lua:gsub("mcl_core:brick_block", "mcl_core:redsandstone")
end
end
schem_lua = schem_lua:gsub("mcl_core:dirt_with_grass", platform_material)
--[[ Disable special junglewood for now.
-- special material for spawning npcs
schem_lua = schem_lua:gsub("mcl_core:junglewood", "settlements:junglewood")
--]]
schem_lua = schem_lua:gsub("mcl_stairs:stair_wood_outer", "mcl_stairs:slab_wood")
schem_lua = schem_lua:gsub("mcl_stairs:stair_stone_rough_outer", "air")
-- format schematic string
local schematic = loadstring(schem_lua)()
-- build foundation for the building an make room above
-- place schematic
mcl_structures.place_schematic(
pos,
schematic,
rotation,
nil,
true,
nil,
function(p1, p2, size, rotation, pr)
init_nodes(p1, p2, size, rotation, pr)
spawn_villagers(p1,p2)
end,
pr
)
end
end