Luanti/fun_caves
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Mountain corrections

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This commit is contained in:
Duane Robertson 2016-05-23 19:36:49 -05:00
parent f4e6c52f2f
commit ba83b79a9c
2 changed files with 35 additions and 51 deletions
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2
deco.lua
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@ -95,7 +95,7 @@ minetest.register_biome({
--node_water = "",
--node_river_water = "",
y_min = 5,
y_max = 31000,
y_max = 80,
heat_point = 25,
humidity_point = 0,
})

84
mapgen.lua
View file

@ -94,14 +94,6 @@ end
local function detect_bull(heightmap, csize)
local probably = false
if minp.y >= 8 + csize.y / 2 then
return false
end
if maxp.y <= 8 - csize.y / 2 then
probably = true
end
local j = -31000
local k = 0
local cutoff = (csize.x * csize.z) * 0.1
@ -111,7 +103,7 @@ local function detect_bull(heightmap, csize)
if k > cutoff then
--print("maxp.y: "..maxp.y..", minp.y: "..minp.y..", heightmap stuck at: "..heightmap[i])
return true
elseif not probably and i > 2 * cutoff then
elseif i > 2 * cutoff then
--print("maxp.y: "..maxp.y..", minp.y: "..minp.y..", guessing good heightmap")
return false
end
@ -159,32 +151,28 @@ function fun_caves.generate(p_minp, p_maxp, seed)
for x = minp.x, maxp.x do
index = index + 1
if bullshit_heightmap and maxp.y > 0 then
-- nop
else
write = true
index3d = noise_area:index(x - minp.x, 0, z - minp.z)
local ivm = area:index(x, minp.y, z)
write = true
index3d = noise_area:index(x - minp.x, 0, z - minp.z)
local ivm = area:index(x, minp.y, z)
for y = minp.y, maxp.y do
if (bullshit_heightmap or y < heightmap[index] - cave_3[index]) and cave_1[index3d] * cave_2[index3d] > 0.05 then
data[ivm] = node("air")
for y = minp.y, maxp.y do
if (bullshit_heightmap or y < heightmap[index] - cave_3[index]) and cave_1[index3d] * cave_2[index3d] > 0.05 then
data[ivm] = node("air")
if y > 0 and cave_3[index] < 1 and heightmap[index] == y then
-- Clear the air above a cave mouth.
local ivm2 = ivm
for y2 = y + 1, maxp.y + 8 do
ivm2 = ivm2 + area.ystride
if data[ivm2] ~= node("default:water_source") then
data[ivm2] = node("air")
end
if y > 0 and cave_3[index] < 1 and heightmap[index] == y then
-- Clear the air above a cave mouth.
local ivm2 = ivm
for y2 = y + 1, maxp.y + 8 do
ivm2 = ivm2 + area.ystride
if data[ivm2] ~= node("default:water_source") then
data[ivm2] = node("air")
end
end
end
ivm = ivm + area.ystride
index3d = index3d + csize.x
end
ivm = ivm + area.ystride
index3d = index3d + csize.x
end
end
end
@ -195,30 +183,26 @@ function fun_caves.generate(p_minp, p_maxp, seed)
for z = minp.z, maxp.z do
for x = minp.x, maxp.x do
index = index + 1
if bullshit_heightmap and maxp.y > 0 then
-- nop
else
local pn = minetest.get_perlin(plant_noise):get2d({x=x, y=z})
local biome = fun_caves.biome_ids[biomemap[index]]
index3d = noise_area:index(x - minp.x, 0, z - minp.z)
local ivm = area:index(x, minp.y, z)
write = true
local pn = minetest.get_perlin(plant_noise):get2d({x=x, y=z})
local biome = fun_caves.biome_ids[biomemap[index]]
index3d = noise_area:index(x - minp.x, 0, z - minp.z)
local ivm = area:index(x, minp.y, z)
write = true
for y = minp.y, maxp.y do
if bullshit_heightmap or y <= heightmap[index] - 20 then
data[ivm] = fun_caves.decorate_cave(data, area, minp, y, ivm, biome_n[index3d]) or data[ivm]
elseif y < heightmap[index] and not bullshit_heightmap then
--if data[ivm] == node("air") and data[ivm - area.ystride] ~= node('air') then
if data[ivm] == node("air") and (data[ivm - area.ystride] == node('default:stone') or data[ivm - area.ystride] == node('default:sandstone')) then
data[ivm - area.ystride] = node("dirt")
end
else
data[ivm] = fun_caves.decorate_water(data, area, minp, maxp, {x=x,y=y,z=z}, ivm, biome, pn) or data[ivm]
for y = minp.y, maxp.y do
if bullshit_heightmap or y <= heightmap[index] - 20 then
data[ivm] = fun_caves.decorate_cave(data, area, minp, y, ivm, biome_n[index3d]) or data[ivm]
elseif y < heightmap[index] and not bullshit_heightmap then
--if data[ivm] == node("air") and data[ivm - area.ystride] ~= node('air') then
if data[ivm] == node("air") and (data[ivm - area.ystride] == node('default:stone') or data[ivm - area.ystride] == node('default:sandstone')) then
data[ivm - area.ystride] = node("dirt")
end
ivm = ivm + area.ystride
index3d = index3d + csize.x
else
data[ivm] = fun_caves.decorate_water(data, area, minp, maxp, {x=x,y=y,z=z}, ivm, biome, pn) or data[ivm]
end
ivm = ivm + area.ystride
index3d = index3d + csize.x
end
end
end