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Chasms (#19)

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* initial chasms mod

* tweak default chasm settings

* prevent chasms from breaching oil and magma seas, make veinstone actually do something

* overgenerate caverns to eliminate floating stalactites

* make veinstone punchable instead of right-clickable

* ensure dfcaverns get carved before chasms

this has an unfortunate tradeoff. Chasms will no longer have floating giant columns in them, but will also no longer have smaller stalactites and stalagmites. Also will carve chasms through lake water. Not sure if this is ideal.

* add rare big webs to the chasms, to give them a unique feature

* reverse the dependencies for df_caverns and chasms, let chasms go first.

* fix web generator

* add webs to level 3 tunnels, fix sunless sea chasms

* fix up tunnel webs

* make webs snappy

* make webs slightly more prevalent

* add chasms to the guide

* final touch-ups before merging

* allow anchoring against unloaded blocks
This commit is contained in:
FaceDeer
2021-03-28 15:20:52 -06:00
committed by GitHub
parent 0acb3ab09b
commit 9b7e71c675
23 changed files with 598 additions and 22 deletions
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33
df_caverns/shared.lua
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@ -18,12 +18,30 @@ local c_spongestone = df_caverns.node_id.spongestone
local c_rock_rot = df_caverns.node_id.rock_rot
local c_water = df_caverns.node_id.water
local c_wet_flowstone = df_caverns.node_id.wet_flowstone
local c_webs = df_caverns.node_id.big_webs
local c_webs_egg = df_caverns.node_id.big_webs_egg
df_caverns.data_param2 = {}
-- prevent mapgen from using these nodes as a base for stalactites or stalagmites
local dont_build_speleothems_on = {}
for _, content_id in pairs(df_mapitems.wet_stalagmite_ids) do
dont_build_speleothems_on[content_id] = true
end
for _, content_id in pairs(df_mapitems.dry_stalagmite_ids) do
dont_build_speleothems_on[content_id] = true
end
if minetest.get_modpath("big_webs") then
dont_build_speleothems_on[c_webs] = true
dont_build_speleothems_on[c_webs_egg] = true
end
--------------------------------------------------
df_caverns.stalagmites = function(abs_cracks, vert_rand, vi, area, data, data_param2, wet, reverse_sign)
if dont_build_speleothems_on[data[vi]] then
return
end
local flowstone
local stalagmite_ids
if wet then
@ -118,13 +136,6 @@ df_caverns.glow_worm_cavern_ceiling = function(abs_cracks, vert_rand, vi, area,
end
end
local content_in_list=function(content, list)
for i, v in ipairs(list) do
if content == v then return true end
end
return false
end
df_caverns.tunnel_floor = function(minp, maxp, area, vi, nvals_cracks, data, data_param2, wet, dirt_node)
if maxp.y > -30 then
wet = false
@ -135,7 +146,7 @@ df_caverns.tunnel_floor = function(minp, maxp, area, vi, nvals_cracks, data, dat
local abs_cracks = math.abs(cracks)
if wet then
if abs_cracks < 0.05 and data[vi+ystride] == c_air and not content_in_list(data[vi], df_mapitems.wet_stalagmite_ids) then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
if abs_cracks < 0.05 and data[vi+ystride] == c_air and not dont_build_speleothems_on[data[vi]] then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
local param2 = abs_cracks*1000000 - math.floor(abs_cracks*1000000/4)*4
local height = math.floor(abs_cracks * 100)
subterrane.stalagmite(vi+ystride, area, data, data_param2, param2, height, df_mapitems.wet_stalagmite_ids)
@ -144,7 +155,7 @@ df_caverns.tunnel_floor = function(minp, maxp, area, vi, nvals_cracks, data, dat
data[vi] = dirt_node
end
else
if abs_cracks < 0.025 and data[vi+ystride] == c_air and not content_in_list(data[vi], df_mapitems.dry_stalagmite_ids) then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
if abs_cracks < 0.025 and data[vi+ystride] == c_air and not dont_build_speleothems_on[data[vi]] then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
local param2 = abs_cracks*1000000 - math.floor(abs_cracks*1000000/4)*4
local height = math.floor(abs_cracks * 100)
subterrane.stalagmite(vi+ystride, area, data, data_param2, param2, height, df_mapitems.dry_stalagmite_ids)
@ -165,14 +176,14 @@ df_caverns.tunnel_ceiling = function(minp, maxp, area, vi, nvals_cracks, data, d
local abs_cracks = math.abs(cracks)
if wet then
if abs_cracks < 0.05 and data[vi-ystride] == c_air and not content_in_list(data[vi], df_mapitems.wet_stalagmite_ids) then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
if abs_cracks < 0.05 and data[vi-ystride] == c_air and not dont_build_speleothems_on[data[vi]] then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
local param2 = abs_cracks*1000000 - math.floor(abs_cracks*1000000/4)*4
local height = math.floor(abs_cracks * 100)
subterrane.stalactite(vi-ystride, area, data, data_param2, param2, height, df_mapitems.wet_stalagmite_ids)
data[vi] = c_wet_flowstone
end
else
if abs_cracks < 0.025 and data[vi-ystride] == c_air and not content_in_list(data[vi], df_mapitems.dry_stalagmite_ids) then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
if abs_cracks < 0.025 and data[vi-ystride] == c_air and not dont_build_speleothems_on[data[vi]] then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
local param2 = abs_cracks*1000000 - math.floor(abs_cracks*1000000/4)*4
local height = math.floor(abs_cracks * 100)
subterrane.stalactite(vi-ystride, area, data, data_param2, param2, height, df_mapitems.dry_stalagmite_ids)