diff options
| author | Anthony Zhang <azhang9@gmail.com> | 2012-10-21 17:49:43 -0400 |
|---|---|---|
| committer | Anthony Zhang <azhang9@gmail.com> | 2012-10-21 17:49:43 -0400 |
| commit | aa4a70d237db22b587d46a50a21d1a71a445874e (patch) | |
| tree | 042d48b7a83e28e41d25f03b481d6c08a56c373d /worldedit/serialization.lua | |
| parent | 5f598db3e6ef1f30cdba9cda4b2e0f32c658de16 (diff) | |
Rename //find to //highlight and worldedit.find to worldedit.highlight, add //allocate and worldedit.allocate as well as related documentation. Improve documentation by fixing a few mistakes and adding return signatures.
Diffstat (limited to 'worldedit/serialization.lua')
| -rw-r--r-- | worldedit/serialization.lua | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/worldedit/serialization.lua b/worldedit/serialization.lua index ae095eb..a8e2aa8 100644 --- a/worldedit/serialization.lua +++ b/worldedit/serialization.lua @@ -45,16 +45,49 @@ worldedit.serialize = function(pos1, pos2) return result, 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
+worldedit.allocate = function(originpos, value)
+ 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
+ local count = 0
+ for x, y, z, name, param1, param2 in value:gmatch("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)%s+([^%s]+)%s+(%d+)%s+(%d+)[^\r\n]*[\r\n]*") do --match node entries
+ x, y, z = originx + tonumber(x), originy + tonumber(y), originz + tonumber(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
worldedit.deserialize = function(originpos, value)
local pos = {x=0, y=0, z=0}
local node = {name="", param1=0, param2=0}
+ local originx, originy, originz = originpos.x, originpos.y, originpos.z
local count = 0
local env = minetest.env
for x, y, z, name, param1, param2 in value:gmatch("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)%s+([^%s]+)%s+(%d+)%s+(%d+)[^\r\n]*[\r\n]*") do --match node entries
- pos.x = originpos.x + tonumber(x)
- pos.y = originpos.y + tonumber(y)
- pos.z = originpos.z + tonumber(z)
+ pos.x = originx + tonumber(x)
+ pos.y = originy + tonumber(y)
+ pos.z = originz + tonumber(z)
node.name = name
node.param1 = param1
node.param2 = param2
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