cidades/city.lua

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--[[
Mod Cidades for Minetest
Copyright (C) 2020 BrunoMine (https://github.com/BrunoMine)
You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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City Builder
]]
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local S = cidades.S
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-- Registered cities
cidades.registered_cities = {}
-- Register city
cidades.register_city = function(city_id, def)
cidades.registered_cities[city_id] = def
end
-- Active cities
cidades.active_cities = cidades.db.ms:get_string("active_cities")
if cidades.active_cities == "" then
cidades.active_cities = {}
else
cidades.active_cities = minetest.deserialize(cidades.active_cities)
end
-- Insert active city
cidades.insert_active_city = function(city_id, def)
cidades.active_cities[city_id] = def
cidades.db.ms:set_string("active_cities", minetest.serialize(cidades.active_cities))
end
-- Remove active city
cidades.remove_active_city = function(city_id, def)
cidades.active_cities[city_id] = nil
cidades.db.ms:set_string("active_cities", minetest.serialize(cidades.active_cities))
end
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-- On create city callback
cidades.registered_on_create_city = {}
cidades.register_on_create_city = function(func)
table.insert(cidades.registered_on_create_city, func)
end
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-- Create city
cidades.create_city = function(city_id, pos)
local city = cidades.registered_cities[city_id]
-- Minp & Maxp
local minp = {
x = pos.x - city.radius,
y = pos.y - city.depth,
z = pos.z - city.radius,
}
local maxp = {
x = pos.x + city.radius,
y = pos.y + city.height,
z = pos.z + city.radius,
}
-- Place schem
minetest.place_schematic(minp, city.schem_path)
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local epa = city.extra_protected_area or {}
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-- Protect area
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local area_id = cidades.protect_area("Server city", city.name,
{
x = minp.x - (epa.xn or epa.x or cidades.extra_protect_side_area),
y = minp.y - (epa.yn or epa.y or cidades.extra_protect_bottom_area),
z = minp.z - (epa.zn or epa.z or cidades.extra_protect_side_area)
},
{
x = maxp.x + (epa.xp or epa.x or cidades.extra_protect_side_area),
y = maxp.y + (epa.yp or epa.y or cidades.extra_protect_top_area),
z = maxp.z + (epa.zp or epa.z or cidades.extra_protect_side_area)
}
)
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-- Insert active city
cidades.insert_active_city(city_id, {
name = city.name,
minp = minp,
maxp = maxp,
spawn = {x=pos.x, y=pos.y+6, z=pos.z},
area_id = area_id,
})
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-- Run on create city callback
for _,f in ipairs(cidades.registered_on_create_city) do
f(city_id)
end
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end
minetest.register_chatcommand("create_city", {
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params = S("City ID"),
description = S("Create an active city"),
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func = function(name, param)
if not param or param == "" or not cidades.registered_cities[param] then
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minetest.chat_send_player(name, S("Invalid City ID"))
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return
end
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cidades.create_city(param, vector.round(minetest.get_player_by_name(name):get_pos()))
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minetest.chat_send_player(name, S("@1 created.", cidades.registered_cities[param].name))
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end,
})