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Fix dungeon margin bug (#4276)

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Some mapgen settings used to crash the game.

Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/4276
Reviewed-by: Mikita Wiśniewski <rudzik8@protonmail.com>
Co-authored-by: Bram van den Heuvel <bram.vdh1999@gmail.com>
Co-committed-by: Bram van den Heuvel <bram.vdh1999@gmail.com>
This commit is contained in:
Bram van den Heuvel 2024-05-03 14:05:51 +00:00 committed by the-real-herowl
parent 7d999535e7
commit 69acc5074b
1 changed files with 10 additions and 7 deletions
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mods/MAPGEN/mcl_dungeons/init.lua
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@ -406,6 +406,8 @@ local function dungeons_nodes(minp, maxp, blockseed)
local pr = PseudoRandom(blockseed) local pr = PseudoRandom(blockseed)
for a=1, attempts do for a=1, attempts do
local dim = dungeonsizes[pr:next(1, #dungeonsizes)] local dim = dungeonsizes[pr:next(1, #dungeonsizes)]
if ymin <= ymax - dim.y - 1 then
local x = pr:next(minp.x, maxp.x-dim.x-1) local x = pr:next(minp.x, maxp.x-dim.x-1)
local y = pr:next(ymin , ymax -dim.y-1) local y = pr:next(ymin , ymax -dim.y-1)
local z = pr:next(minp.z, maxp.z-dim.z-1) local z = pr:next(minp.z, maxp.z-dim.z-1)
@ -415,6 +417,7 @@ local function dungeons_nodes(minp, maxp, blockseed)
emerge_area(p1, p2, ecb_spawn_dungeon, {p1=p1, p2=p2, dim=dim, pr=pr}) emerge_area(p1, p2, ecb_spawn_dungeon, {p1=p1, p2=p2, dim=dim, pr=pr})
end end
end end
end
function mcl_dungeons.spawn_dungeon(p1, _, pr) function mcl_dungeons.spawn_dungeon(p1, _, pr)
if not p1 or not pr or not p1.x or not p1.y or not p1.z then return end if not p1 or not pr or not p1.x or not p1.y or not p1.z then return end