diff options
| author | Anthony Zhang <azhang9@gmail.com> | 2012-10-22 23:17:37 -0400 |
|---|---|---|
| committer | Anthony Zhang <azhang9@gmail.com> | 2012-10-22 23:17:37 -0400 |
| commit | fdca506505841da24b2b51929da57ab75495276d (patch) | |
| tree | 622a8128d2456d6e800a412427f2d45df9ea06d9 /worldedit/serialization.lua | |
| parent | aa4a70d237db22b587d46a50a21d1a71a445874e (diff) | |
Fix //load and //allocate for old WorldEdit files.
Diffstat (limited to 'worldedit/serialization.lua')
| -rw-r--r-- | worldedit/serialization.lua | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/worldedit/serialization.lua b/worldedit/serialization.lua index a8e2aa8..8e49231 100644 --- a/worldedit/serialization.lua +++ b/worldedit/serialization.lua @@ -97,6 +97,58 @@ worldedit.deserialize = function(originpos, value) return count
end
+--determines the volume the nodes represented by string `value` would occupy if deserialized at `originpos`, returning the two corner positions and the number of nodes
+--based on [table.save/table.load](http://lua-users.org/wiki/SaveTableToFile) by ChillCode, available under the MIT license (GPL compatible)
+worldedit.allocate_old = function(originpos, value)
+ --obtain the node table
+ local count = 0
+ local get_tables = loadstring(value)
+ if get_tables == nil then --error loading value
+ return count
+ end
+ local tables = get_tables()
+
+ --transform the node table into an array of nodes
+ for i = 1, #tables do
+ for j, v in pairs(tables[i]) do
+ if type(v) == "table" then
+ tables[i][j] = tables[v[1]]
+ end
+ end
+ end
+
+ local huge = math.huge
+ local pos1 = {x=huge, y=huge, z=huge}
+ local pos2 = {x=-huge, y=-huge, z=-huge}
+ local originx, originy, originz = originpos.x, originpos.y, originpos.z
+
+ --load the node array
+ for i, v in ipairs(tables[1]) do
+ local pos = v[1]
+ local x, y, z = originx - pos.x, originy - pos.y, originz - pos.z
+ if x < pos1.x then
+ pos1.x = x
+ end
+ if y < pos1.y then
+ pos1.y = y
+ end
+ if z < pos1.z then
+ pos1.z = z
+ end
+ if x > pos2.x then
+ pos2.x = x
+ end
+ if y > pos2.y then
+ pos2.y = y
+ end
+ if z > pos2.z then
+ pos2.z = z
+ end
+ count = count + 1
+ end
+ return pos1, pos2, count
+end
+
--loads the nodes represented by string `value` at position `originpos`, returning the number of nodes deserialized
--based on [table.save/table.load](http://lua-users.org/wiki/SaveTableToFile) by ChillCode, available under the MIT license (GPL compatible)
worldedit.deserialize_old = function(originpos, value)
@@ -119,9 +171,10 @@ worldedit.deserialize_old = function(originpos, value) --load the node array
local env = minetest.env
+ local originx, originy, originz = originpos.x, originpos.y, originpos.z
for i, v in ipairs(tables[1]) do
local pos = v[1]
- pos.x, pos.y, pos.z = originpos.x + pos.x, originpos.y + pos.y, originpos.z + pos.z
+ pos.x, pos.y, pos.z = originx - pos.x, originy - pos.y, originz - pos.z
env:add_node(pos, v[2])
count = count + 1
end
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