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v0.09: Crane protection area added to prevent crane clusters

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This commit is contained in:
Joachim Stolberg 2017-08-19 15:21:26 +02:00
parent 89956d0674
commit dfd91b0c90
1 changed files with 91 additions and 17 deletions
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108
init.lua
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@ -3,7 +3,7 @@
Tower Crane Mod
===============
v0.08 by JoSt
v0.09 by JoSt
Copyright (C) 2017 Joachim Stolberg
LGPLv2.1+
@ -17,15 +17,83 @@
2017-06-10 v0.05 resizing bugfix, area protection added
2017-07-11 v0.06 fixed the space check bug, settingtypes added
2017-07-16 v0.07 crane remove bug fix
3017-07-16 v0.08 player times out bugfix
2017-07-16 v0.08 player times out bugfix
2017-08-19 v0.09 crane protection area to prevent crane clusters
]]--
-- crane minimum size
MIN_SIZE = 8
towercrane = {}
dofile(minetest.get_modpath("towercrane") .. "/config.lua")
local function chat(owner, text)
if owner ~= nil then
minetest.chat_send_player(owner, "[Tower Crane] "..text)
end
end
--##################################################################################################
--## Construction Area
--##################################################################################################
-- Areas = {
-- pos_key = {owner="...", pos1=pos, pos2=pos},
-- }
local storage = minetest.get_mod_storage()
local Areas = minetest.deserialize(storage:get_string("Areas")) or {}
local function update_mod_storage()
storage:set_string("Areas", minetest.serialize(Areas))
end
minetest.register_on_shutdown(function()
update_mod_storage()
end)
----------------------------------------------------------------------------------------------------
-- The same player can't place a crane within another protection area
----------------------------------------------------------------------------------------------------
local function no_area_violation(owner, pos)
local res = true
local px, py, pz = pos.x, pos.y, pos.z
for key, area in pairs(Areas) do
if owner == area.owner then
local pos1, pos2 = area.pos1, area.pos2
if (px >= pos1.x and px <= pos2.x) and (py >= pos1.y and py <= pos2.y) and
(pz >= pos1.z and pz <= pos2.z) then
res = false
break
end
end
end
return res
end
local function store_crane_data(owner, pos, pos1, pos2)
-- normalize x/z so that pos2 > pos1
if pos2.x < pos1.x then
pos2.x, pos1.x = pos1.x, pos2.x
end
if pos2.z < pos1.z then
pos2.z, pos1.z = pos1.z, pos2.z
end
-- store data
local key = minetest.pos_to_string(pos)
Areas[key] = {owner=owner, pos1=pos1, pos2=pos2}
update_mod_storage()
end
local function remove_crane_data(pos)
local key = minetest.pos_to_string(pos)
Areas[key] = nil
update_mod_storage()
end
--##################################################################################################
--## Tower Crane Hook
--##################################################################################################
@ -303,6 +371,8 @@ local function protect_area(pos, dir, height, width, owner)
pos2 = vector.add(pos2, vector.multiply(dir, width))
pos2.y = pos.y + 2 + height
store_crane_data(owner, pos, pos1, pos2)
-- add area
local canAdd, errMsg = areas:canPlayerAddArea(pos1, pos2, owner)
if canAdd then
@ -333,11 +403,9 @@ local function check_input(fields)
local height = tonumber(size[1])
local width = tonumber(size[2])
if height ~= nil and width ~= nil then
--height = math.max(height, 8)
height = math.max(height, 2)
height = math.max(height, MIN_SIZE)
height = math.min(height, towercrane.max_height)
--width = math.max(width, 8)
width = math.max(width, 2)
width = math.max(width, MIN_SIZE)
width = math.min(width, towercrane.max_width)
return height, width
end
@ -400,6 +468,7 @@ minetest.register_node("towercrane:base", {
end
-- destroy area and crane
if dir ~= nil and height ~= nil and width ~= nil then
remove_crane_data(pos)
remove_area(id, owner)
remove_crane(table.copy(pos), dir, height, width)
end
@ -410,19 +479,23 @@ minetest.register_node("towercrane:base", {
meta:set_int("height", height)
meta:set_int("width", width)
meta:set_string("infotext", "Crane size: " .. height .. "," .. width)
if dir ~= nil then
if check_space(table.copy(pos), dir, height, width) then
-- add protection area
local id = protect_area(table.copy(pos), table.copy(dir), height, width, owner)
if id ~= nil then
meta:set_int("id", id)
construct_crane(table.copy(pos), table.copy(dir), height, width, owner)
if no_area_violation(owner, pos) then
if dir ~= nil then
if check_space(table.copy(pos), dir, height, width) then
-- add protection area
local id = protect_area(table.copy(pos), table.copy(dir), height, width, owner)
if id ~= nil then
meta:set_int("id", id)
construct_crane(table.copy(pos), table.copy(dir), height, width, owner)
else
chat(owner, "Construction area is already protected!")
end
else
minetest.chat_send_player(owner, "Construction area is already protected!")
chat(owner, "Too less space to raise up the crane!")
end
else
minetest.chat_send_player(owner, "Too less space to raise up the tower crane!")
end
else
chat(owner, "Too less distance to your other crane(s)!")
end
end
end,
@ -442,7 +515,8 @@ minetest.register_node("towercrane:base", {
end
-- remove crane
if dir ~= nil and height ~= nil and width ~= nil then
remove_crane(pos, dir, height, width)
remove_crane_data(pos)
remove_crane(pos, dir, height, width)
end
-- remove hook
id = minetest.hash_node_position(pos)