-
Notifications
You must be signed in to change notification settings - Fork 81
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add initial code for worldedit_infinity.
- Loading branch information
Showing
1 changed file
with
102 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,102 @@ | ||
worldedit = worldedit or {} | ||
|
||
local get_pointed = function(pos, nearest, distance) | ||
if distance > 100 then | ||
return false | ||
end | ||
|
||
--check for collision with node | ||
local nodename = env:get_node(pos).name | ||
if nodename ~= "air" | ||
and nodename ~= "default:water_source" | ||
and nodename ~= "default:water_flowing" then | ||
if nodename ~= "ignore" then | ||
return nearest | ||
end | ||
return false | ||
end | ||
end | ||
|
||
local use = function(itemstack, user, pointed_thing) | ||
if pointed_thing.type == "nothing" then --pointing at nothing | ||
local placepos = worldedit.raytrace(user:getpos(), user:get_look_dir(), get_pointed) | ||
if placepos then --extended reach | ||
pointed_thing.type = "node" | ||
pointed_thing.under = nil --wip | ||
pointed_thing.above = nil --wip | ||
end | ||
end | ||
return minetest.item_place_node(itemstack, user, pointed_thing) | ||
end | ||
-- | ||
|
||
worldedit.raytrace = function(pos, dir, callback) | ||
local base = {x=math.floor(pos.x), y=math.floor(pos.y), z=math.floor(pos.z)} | ||
local stepx, stepy, stepz = 0, 0, 0 | ||
local componentx, componenty, componentz = 0, 0, 0 | ||
local intersectx, intersecty, intersectz = 0, 0, 0 | ||
|
||
if dir.x == 0 then | ||
intersectx = math.huge | ||
elseif dir.x > 0 then | ||
stepx = 1 | ||
componentx = 1 / dir.x | ||
intersectx = ((base.x - pos.x) + 1) * componentx | ||
else | ||
stepx = -1 | ||
componentx = 1 / -dir.x | ||
intersectx = (pos.x - base.x) * componentx | ||
end | ||
if dir.y == 0 then | ||
intersecty = math.huge | ||
elseif dir.y > 0 then | ||
stepy = 1 | ||
componenty = 1 / dir.y | ||
intersecty = ((base.y - pos.y) + 1) * componenty | ||
else | ||
stepy = -1 | ||
componenty = 1 / -dir.y | ||
intersecty = (pos.y - base.y) * componenty | ||
end | ||
if dir.z == 0 then | ||
intersectz = math.huge | ||
elseif dir.z > 0 then | ||
stepz = 1 | ||
componentz = 1 / dir.z | ||
intersectz = ((base.z - pos.z) + 1) * componentz | ||
else | ||
stepz = -1 | ||
componentz = 1 / -dir.z | ||
intersectz = (pos.z - base.z) * componentz | ||
end | ||
|
||
local distance = 0 | ||
local nearest = {x=base.x, y=base.y, z=base.z} | ||
while true do | ||
local values = {callback(base, nearest, distance)} | ||
if #values > 0 then | ||
return unpack(values) | ||
end | ||
|
||
nearest.x, nearest.y, nearest.z = base.x, base.y, base.z | ||
if intersectx < intersecty then | ||
if intersectx < intersectz then | ||
base.x = base.x + stepx | ||
distance = intersectx | ||
intersectx = intersectx + componentx | ||
else | ||
base.z = base.z + stepz | ||
distance = intersectz | ||
intersectz = intersectz + componentz | ||
end | ||
elseif intersecty < intersectz then | ||
base.y = base.y + stepy | ||
distance = intersecty | ||
intersecty = intersecty + componenty | ||
else | ||
base.z = base.z + stepz | ||
distance = intersectz | ||
intersectz = intersectz + componentz | ||
end | ||
end | ||
end |
4c43bf3
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
WTF is this?
4c43bf3
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
The code is pretty self explanatory. Documentation will be written sometime in the future.