diff options
Diffstat (limited to 'worldedit/visualization.lua')
| -rw-r--r-- | worldedit/visualization.lua | 145 |
1 files changed, 67 insertions, 78 deletions
diff --git a/worldedit/visualization.lua b/worldedit/visualization.lua index dbee5d0..5ac49f3 100644 --- a/worldedit/visualization.lua +++ b/worldedit/visualization.lua @@ -1,57 +1,38 @@ -worldedit = worldedit or {}
-local minetest = minetest --local copy of global
-
---modifies positions `pos1` and `pos2` so that each component of `pos1` is less than or equal to its corresponding conent of `pos2`, returning two new positions
-worldedit.sort_pos = function(pos1, pos2)
- pos1 = {x=pos1.x, y=pos1.y, z=pos1.z}
- pos2 = {x=pos2.x, y=pos2.y, z=pos2.z}
- if pos1.x > pos2.x then
- pos2.x, pos1.x = pos1.x, pos2.x
- end
- if pos1.y > pos2.y then
- pos2.y, pos1.y = pos1.y, pos2.y
- end
- if pos1.z > pos2.z then
- pos2.z, pos1.z = pos1.z, pos2.z
- end
- return pos1, pos2
-end
-
---determines the volume of the region defined by positions `pos1` and `pos2`, returning the volume
-worldedit.volume = function(pos1, pos2)
- local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
- return (pos2.x - pos1.x + 1) * (pos2.y - pos1.y + 1) * (pos2.z - pos1.z + 1)
-end
+--- Functions for visibly hiding nodes
+-- @module worldedit.visualization
minetest.register_node("worldedit:placeholder", {
drawtype = "airlike",
paramtype = "light",
sunlight_propagates = true,
diggable = false,
+ walkable = false,
groups = {not_in_creative_inventory=1},
})
---hides all nodes in a region defined by positions `pos1` and `pos2` by non-destructively replacing them with invisible nodes, returning the number of nodes hidden
-worldedit.hide = function(pos1, pos2)
- --make area stay loaded
- local manip = minetest.get_voxel_manip()
- manip:read_from_map(pos1, pos2)
+--- Hides all nodes in a region defined by positions `pos1` and `pos2` by
+-- non-destructively replacing them with invisible nodes.
+-- @return The number of nodes hidden.
+function worldedit.hide(pos1, pos2)
+ pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+
+ worldedit.keep_loaded(pos1, pos2)
- local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
local pos = {x=pos1.x, y=0, z=0}
- local get_node, get_meta, add_node = minetest.get_node, minetest.get_meta, minetest.add_node
+ local get_node, get_meta, swap_node = minetest.get_node,
+ minetest.get_meta, minetest.swap_node
while pos.x <= pos2.x do
pos.y = pos1.y
while pos.y <= pos2.y do
pos.z = pos1.z
while pos.z <= pos2.z do
local node = get_node(pos)
- if node.name ~= "worldedit:placeholder" then
- local data = get_meta(pos):to_table() --obtain metadata of original node
- data.fields.worldedit_placeholder = node.name --add the node's name
- node.name = "worldedit:placeholder" --set node name
- add_node(pos, node) --add placeholder node
- get_meta(pos):from_table(data) --set placeholder metadata to the original node's metadata
+ if node.name ~= "air" and node.name ~= "worldedit:placeholder" then
+ -- Save the node's original name
+ get_meta(pos):set_string("worldedit_placeholder", node.name)
+ -- Swap in placeholder node
+ node.name = "worldedit:placeholder"
+ swap_node(pos, node)
end
pos.z = pos.z + 1
end
@@ -62,40 +43,44 @@ worldedit.hide = function(pos1, pos2) return worldedit.volume(pos1, pos2)
end
---suppresses all instances of `nodename` in a region defined by positions `pos1` and `pos2` by non-destructively replacing them with invisible nodes, returning the number of nodes suppressed
-worldedit.suppress = function(pos1, pos2, nodename)
- --ignore placeholder supression
- if nodename == "worldedit:placeholder" then
+--- Suppresses all instances of `node_name` in a region defined by positions
+-- `pos1` and `pos2` by non-destructively replacing them with invisible nodes.
+-- @return The number of nodes suppressed.
+function worldedit.suppress(pos1, pos2, node_name)
+ -- Ignore placeholder supression
+ if node_name == "worldedit:placeholder" then
return 0
end
- --make area stay loaded
- local manip = minetest.get_voxel_manip()
- manip:read_from_map(pos1, pos2)
+ pos1, pos2 = worldedit.sort_pos(pos1, pos2)
- local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
- local nodes = minetest.find_nodes_in_area(pos1, pos2, nodename)
- local get_node, get_meta, add_node = minetest.get_node, minetest.get_meta, minetest.add_node
+ worldedit.keep_loaded(pos1, pos2)
+
+ local nodes = minetest.find_nodes_in_area(pos1, pos2, node_name)
+ local get_node, get_meta, swap_node = minetest.get_node,
+ minetest.get_meta, minetest.swap_node
for _, pos in ipairs(nodes) do
local node = get_node(pos)
- local data = get_meta(pos):to_table() --obtain metadata of original node
- data.fields.worldedit_placeholder = node.name --add the node's name
- node.name = "worldedit:placeholder" --set node name
- add_node(pos, node) --add placeholder node
- get_meta(pos):from_table(data) --set placeholder metadata to the original node's metadata
+ -- Save the node's original name
+ get_meta(pos):set_string("worldedit_placeholder", node.name)
+ -- Swap in placeholder node
+ node.name = "worldedit:placeholder"
+ swap_node(pos, node)
end
return #nodes
end
---highlights all instances of `nodename` in a region defined by positions `pos1` and `pos2` by non-destructively hiding all other nodes, returning the number of nodes found
-worldedit.highlight = function(pos1, pos2, nodename)
- --make area stay loaded
- local manip = minetest.get_voxel_manip()
- manip:read_from_map(pos1, pos2)
+--- Highlights all instances of `node_name` in a region defined by positions
+-- `pos1` and `pos2` by non-destructively hiding all other nodes.
+-- @return The number of nodes found.
+function worldedit.highlight(pos1, pos2, node_name)
+ pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+
+ worldedit.keep_loaded(pos1, pos2)
- local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
local pos = {x=pos1.x, y=0, z=0}
- local get_node, get_meta, add_node = minetest.get_node, minetest.get_meta, minetest.add_node
+ local get_node, get_meta, swap_node = minetest.get_node,
+ minetest.get_meta, minetest.swap_node
local count = 0
while pos.x <= pos2.x do
pos.y = pos1.y
@@ -103,14 +88,14 @@ worldedit.highlight = function(pos1, pos2, nodename) pos.z = pos1.z
while pos.z <= pos2.z do
local node = get_node(pos)
- if node.name == nodename then --node found
+ if node.name == node_name then -- Node found
count = count + 1
- elseif node.name ~= "worldedit:placeholder" then --hide other nodes
- local data = get_meta(pos):to_table() --obtain metadata of original node
- data.fields.worldedit_placeholder = node.name --add the node's name
- node.name = "worldedit:placeholder" --set node name
- add_node(pos, node) --add placeholder node
- get_meta(pos):from_table(data) --set placeholder metadata to the original node's metadata
+ elseif node.name ~= "worldedit:placeholder" then -- Hide other nodes
+ -- Save the node's original name
+ get_meta(pos):set_string("worldedit_placeholder", node.name)
+ -- Swap in placeholder node
+ node.name = "worldedit:placeholder"
+ swap_node(pos, node)
end
pos.z = pos.z + 1
end
@@ -121,22 +106,26 @@ worldedit.highlight = function(pos1, pos2, nodename) return count
end
---restores all nodes hidden with WorldEdit functions in a region defined by positions `pos1` and `pos2`, returning the number of nodes restored
-worldedit.restore = function(pos1, pos2)
- --make area stay loaded
- local manip = minetest.get_voxel_manip()
- manip:read_from_map(pos1, pos2)
-
+-- Restores all nodes hidden with WorldEdit functions in a region defined
+-- by positions `pos1` and `pos2`.
+-- @return The number of nodes restored.
+function worldedit.restore(pos1, pos2)
local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+
+ worldedit.keep_loaded(pos1, pos2)
+
local nodes = minetest.find_nodes_in_area(pos1, pos2, "worldedit:placeholder")
- local get_node, get_meta, add_node = minetest.get_node, minetest.get_meta, minetest.add_node
+ local get_node, get_meta, swap_node = minetest.get_node,
+ minetest.get_meta, minetest.swap_node
for _, pos in ipairs(nodes) do
local node = get_node(pos)
- local data = get_meta(pos):to_table() --obtain node metadata
- node.name = data.fields.worldedit_placeholder --set node name
- data.fields.worldedit_placeholder = nil --delete old nodename
- add_node(pos, node) --add original node
- get_meta(pos):from_table(data) --set original node metadata
+ local meta = get_meta(pos)
+ local data = meta:to_table()
+ node.name = data.fields.worldedit_placeholder
+ data.fields.worldedit_placeholder = nil
+ meta:from_table(data)
+ swap_node(pos, node)
end
return #nodes
end
+
|