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Add /emergeblocks command and core.emerge_area() Lua API

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This commit is contained in:
kwolekr 2015-09-23 00:31:45 -04:00
parent 596484da4f
commit f062bbd7a1
9 changed files with 162 additions and 49 deletions
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70
builtin/game/chatcommands.lua
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@ -51,6 +51,27 @@ core.register_on_chat_message(function(name, message)
return true -- Handled chat message
end)
-- Parses a "range" string in the format of "here (number)" or
-- "(x1, y1, z1) (x2, y2, z2)", returning two position vectors
local function parse_range_str(player_name, str)
local p1, p2
local args = str:split(" ")
if args[1] == "here" then
p1, p2 = core.get_player_radius_area(player_name, tonumber(args[2]))
if p1 == nil then
return false, "Unable to get player " .. player_name .. " position"
end
else
p1, p2 = core.string_to_area(str)
if p1 == nil then
return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)"
end
end
return p1, p2
end
--
-- Chat commands
--
@ -415,40 +436,31 @@ core.register_chatcommand("set", {
end,
})
core.register_chatcommand("emergeblocks", {
params = "(here [radius]) | (<pos1> <pos2>)",
description = "starts loading (or generating, if inexistent) map blocks "
.. "contained in area pos1 to pos2",
privs = {server=true},
func = function(name, param)
local p1, p2 = parse_range_str(name, param)
if p1 == false then
return false, p2
end
core.emerge_area(p1, p2)
return true, "Started emerge of area ranging from " ..
core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
end,
})
core.register_chatcommand("deleteblocks", {
params = "(here [radius]) | (<pos1> <pos2>)",
description = "delete map blocks contained in area pos1 to pos2",
privs = {server=true},
func = function(name, param)
local p1 = {}
local p2 = {}
local args = param:split(" ")
if args[1] == "here" then
local player = core.get_player_by_name(name)
if player == nil then
core.log("error", "player is nil")
return false, "Unable to get current position; player is nil"
end
p1 = player:getpos()
p2 = p1
if #args >= 2 then
local radius = tonumber(args[2]) or 0
p1 = vector.add(p1, radius)
p2 = vector.subtract(p2, radius)
end
else
local pos1, pos2 = unpack(param:split(") ("))
if pos1 == nil or pos2 == nil then
return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)"
end
p1 = core.string_to_pos(pos1 .. ")")
p2 = core.string_to_pos("(" .. pos2)
if p1 == nil or p2 == nil then
return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)"
end
local p1, p2 = parse_range_str(name, param)
if p1 == false then
return false, p2
end
if core.delete_area(p1, p2) then