diff options
Diffstat (limited to 'worldedit/queue.lua')
| -rw-r--r-- | worldedit/queue.lua | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/worldedit/queue.lua b/worldedit/queue.lua new file mode 100644 index 0000000..77b0fdc --- /dev/null +++ b/worldedit/queue.lua @@ -0,0 +1,108 @@ +worldedit = worldedit or {} + +worldedit.queue = {} + +worldedit.ENABLE_QUEUE = true +worldedit.BLOCKS_PER_GLOBALSTEP = 512 + +minetest.register_globalstep(function(dtime) + i = 1 + while i <= #worldedit.queue and i <= worldedit.BLOCKS_PER_GLOBALSTEP do + idx = (#worldedit.queue + 1) - i -- we use the last entry, so we don't spend days moving stuff in the table because we removed the first entry + if worldedit.queue[idx].t == "set_node" then + minetest.env:set_node(worldedit.queue[idx].pos, worldedit.queue[idx].node) + elseif worldedit.queue[idx].t == "remove_node" then + minetest.env:remove_node(worldedit.queue[idx].pos) + elseif worldedit.queue[idx].t == "place_node" then + minetest.env:place_node(worldedit.queue[idx].pos, worldedit.queue[idx].node) + elseif worldedit.queue[idx].t == "dig_node" then + minetest.env:dig_node(worldedit.queue[idx].pos) + elseif worldedit.queue[idx].t == "add_entity" then + minetest.env:add_entity(worldedit.queue[idx].pos, worldedit.queue[idx].name) + elseif worldedit.queue[idx].t == "add_item" then + minetest.env:add_item(worldedit.queue[idx].pos, worldedit.queue[idx].item) + elseif worldedit.queue[idx].t == "meta_from_table" then + minetest.env:get_meta(worldedit.queue[idx].pos):from_table(worldedit.queue[idx].table) + else + print("Unknown queue event type: " .. worldedit.queue[idx].t) + end + table.remove(worldedit.queue, idx) + i = i + 1 + end +end) + +function table.copy(t, seen) + seen = seen or {} + if t == nil then return nil end + if seen[t] then return seen[t] end + + local nt = {} + for k, v in pairs(t) do + if type(v) == 'table' then + nt[k] = table.copy(v, seen) + else + nt[k] = v + end + end + seen[t] = nt + return nt +end + +local quene_setnode = function(self, pos_, node_) + table.insert(worldedit.queue, {pos=table.copy(pos_), node=table.copy(node_), t="set_node"}) +end + +local quene_removenode = function(self, pos_) + table.insert(worldedit.queue, {pos=table.copy(pos_), t="remove_node"}) +end + +local quene_placenode = function(self, pos_, node_) + table.insert(worldedit.queue, {pos=table.copy(pos_), node=table.copy(node_), t="place_node"}) +end + +local quene_dignode = function(self, pos_) + table.insert(worldedit.queue, {pos=table.copy(pos_), t="dig_node"}) +end + +local quene_addentity = function(self, pos_, name_) + table.insert(worldedit.queue, {pos=table.copy(pos_), name=name_.."", t="add_entity"}) +end + +local quene_additem = function(self, pos_, item_) + table.insert(worldedit.queue, {pos=table.copy(pos_), item=item_.."", t="add_item"}) +end + +local quene_setmeta = function(self, pos_, table_) + table.insert(worldedit.queue, {pos=table.copy(pos_), table=table.copy(table_), t="meta_from_table"}) +end + +local aliasmeta = { +-- the other functions are left out because they are not used in worldedit + to_table = function(self) return minetest.env:get_meta(self._pos):to_table() end, + set_string = function(self, name_, value_) minetest.env:get_meta(self._pos):set_string(name_, value_) end, + from_table = function(self, tbl) quene_setmeta(nil, self._pos, tbl) end, +} + +local get_meta_alias = function(self, pos) + local am = table.copy(aliasmeta) + am._pos = pos + return am +end + +worldedit.quene_aliasenv = { +-- ALL functions that are not just piped to the real minetest.env function must copy the arguments, not just reference them + set_node = quene_setnode, + add_node = quene_setnode, + remove_node = quene_removenode, + get_node = function(self, pos) return minetest.env:get_node(pos) end, + get_node_or_nil = function(self, pos) return minetest.env:get_node_or_nil(pos) end, + get_node_light = function(self, pos, timeofday) return minetest.env:get_node_light(pos, timeofday) end, + place_node = quene_placenode, + dig_node = quene_dignode, + punch_node = function(self, pos) return minetest.env:punch_node(pos) end, + get_meta = get_meta_alias, + get_node_timer = function(self, pos) return minetest.env:get_node_timer(pos) end, + add_entity = quene_addentity, + add_item = quene_additem, +} + |