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Add MVPS protection support

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number Zero
2019-06-27 23:31:26 +03:00
parent 8baa789eb1
commit 871bb8301e
2 changed files with 53 additions and 8 deletions
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50
mesecons_mvps/init.lua
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@ -133,31 +133,65 @@ function mesecon.mvps_get_stack(pos, dir, maximum, all_pull_sticky)
return nodes
end
function mesecon.mvps_push(pos, dir, maximum)
return mesecon.mvps_push_or_pull(pos, dir, dir, maximum)
local function prot_deny() return true end
local function prot_allow() return false end
local function make_is_protected(player_name)
local mode = mesecon.setting("mvps_protection_mode", "normal")
if mode == "ignore" then
return prot_allow
end
if player_name == "" or not player_name then -- legacy MVPS
if mode == "normal" then
player_name = "$unknown" -- sentinel, for checking for *any* protection
elseif mode == "compat" then
return prot_allow
elseif mode == "restrict" then
return prot_deny
else
error("Invalid protection mode")
end
end
local is_protected = minetest.is_protected
return function(pos)
return is_protected(pos, player_name)
end
end
function mesecon.mvps_pull_all(pos, dir, maximum)
return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum, true)
function mesecon.mvps_push(pos, dir, maximum, player_name)
return mesecon.mvps_push_or_pull(pos, dir, dir, maximum, false, player_name)
end
function mesecon.mvps_pull_single(pos, dir, maximum)
return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum)
function mesecon.mvps_pull_all(pos, dir, maximum, player_name)
return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum, true, player_name)
end
-- pos: pos of mvps; stackdir: direction of building the stack
function mesecon.mvps_pull_single(pos, dir, maximum, player_name)
return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum, false, player_name)
end
-- pos: pos of mvps
-- stackdir: direction of building the stack
-- movedir: direction of actual movement
-- maximum: maximum nodes to be pushed
-- all_pull_sticky: All nodes are sticky in the direction that they are pulled from
function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, all_pull_sticky)
-- player_name: Player responsible for the action.
-- - empty string means legacy MVPS, actual check depends on configuration
-- - "$unknown" is a sentinel for forcing the check
function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, all_pull_sticky, player_name)
local nodes = mesecon.mvps_get_stack(pos, movedir, maximum, all_pull_sticky)
if not nodes then return end
-- determine if one of the nodes blocks the push / pull
local is_protected = make_is_protected(player_name)
for id, n in ipairs(nodes) do
if mesecon.is_mvps_stopper(n.node, movedir, nodes, id) then
return
end
if is_protected(n.pos) then
minetest.record_protection_violation(n.pos, player_name)
return
end
end
-- remove all nodes