Luanti/fun_caves
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Extra error checking.

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This commit is contained in:
Duane 2016-07-15 02:58:33 -05:00
parent aa999e2ed5
commit bf26b8bee1
25 changed files with 897 additions and 314 deletions
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7
cavegen.lua
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@ -19,6 +19,10 @@ ground_nodes[minetest.get_content_id('default:dirt_with_dry_grass')] = true
fun_caves.cavegen = function(minp, maxp, data, area, node, heightmap, underzone)
if not (minp and maxp and data and area and node and type(data) == 'table') then
return
end
local csize = vector.add(vector.subtract(maxp, minp), 1)
local map_max = {x = csize.x, y = csize.y + 2, z = csize.z}
local map_min = {x = minp.x, y = minp.y - 1, z = minp.z}
@ -32,6 +36,9 @@ fun_caves.cavegen = function(minp, maxp, data, area, node, heightmap, underzone)
local cave_1 = minetest.get_perlin_map(fun_caves.cave_noise_1, map_max):get3dMap_flat(map_min)
local cave_2 = minetest.get_perlin_map(fun_caves.cave_noise_2, map_max):get3dMap_flat(map_min)
local cave_3 = minetest.get_perlin_map(cave_noise_3, {x=csize.x, y=csize.z}):get2dMap_flat({x=minp.x, y=minp.z})
if not (cave_1 and cave_2 and cave_3) then
return
end
local write = false