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Default/trees: Faster way to detect snow around pine saplings

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Instead of using voxelmanip use 'find nodes in area' instead
This commit is contained in:
tenplus1 2016-07-08 15:41:37 +01:00 committed by paramat
parent 594365310d
commit f1f96dbe6b
1 changed files with 4 additions and 27 deletions
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31
mods/default/trees.lua
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@ -27,33 +27,10 @@ end
-- 'is snow nearby' function
local function is_snow_nearby(pos)
local x, y, z = pos.x, pos.y, pos.z
local c_snow = minetest.get_content_id("default:snow")
local c_snowblock = minetest.get_content_id("default:snowblock")
local c_dirtsnow = minetest.get_content_id("default:dirt_with_snow")
local vm = minetest.get_voxel_manip()
local minp, maxp = vm:read_from_map(
{x = x - 1, y = y - 1, z = z - 1},
{x = x + 1, y = y + 1, z = z + 1}
)
local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
local data = vm:get_data()
for yy = y - 1, y + 1 do
for zz = z - 1, z + 1 do
local vi = a:index(x - 1, yy, zz)
for xx = x - 1, x + 1 do
local nodid = data[vi]
if nodid == c_snow or nodid == c_snowblock or nodid == c_dirtsnow then
return true
end
vi = vi + 1
end
end
end
return false
return #minetest.find_nodes_in_area(
{x = pos.x - 1, y = pos.y - 1, z = pos.z - 1},
{x = pos.x + 1, y = pos.y + 1, z = pos.z + 1},
{"default:snow", "default:snowblock", "default:dirt_with_snow"}) > 0
end