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Mapgen rework: Dead bush, sugarcane, cactus, tall grass

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All those now use decorations
This commit is contained in:
Wuzzy 2017-02-17 07:14:54 +01:00
parent 57167f2eee
commit 501a4347a3
1 changed files with 87 additions and 70 deletions
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157
mods/MAPGEN/mcl_mapgen_core/init.lua
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@ -259,31 +259,94 @@ minetest.register_ore({
y_max = -50,
})
function mcl_mapgen_core.make_reeds(pos, size)
for y=0,size-1 do
local p = {x=pos.x, y=pos.y+y, z=pos.z}
local nn = minetest.get_node(p).name
if minetest.registered_nodes[nn] and
minetest.registered_nodes[nn].buildable_to then
minetest.set_node(p, {name="mcl_core:reeds"})
else
return
end
end
local function register_mgv6_decorations()
minetest.clear_registered_decorations()
-- Sugar canes
minetest.register_decoration({
deco_type = "simple",
place_on = {"mcl_core:dirt_with_grass"},
sidelen = 16,
noise_params = {
offset = -0.3,
scale = 0.7,
spread = {x = 100, y = 100, z = 100},
seed = 2,
octaves = 3,
persist = 0.7
},
y_min = 1,
y_max = 1,
decoration = "mcl_core:reeds",
height = 2,
height_max = 4,
spawn_by = "mcl_core:water_source",
num_spawn_by = 1,
})
-- Cacti
minetest.register_decoration({
deco_type = "simple",
place_on = {"mcl_core:sand", "mcl_core:redsand"},
sidelen = 16,
noise_params = {
offset = -0.012,
scale = 0.024,
spread = {x = 100, y = 100, z = 100},
seed = 257,
octaves = 3,
persist = 0.6
},
y_min = 3,
y_max = 30,
decoration = "mcl_core:cactus",
height = 1,
height_max = 3,
})
-- Tall grasses
minetest.register_decoration({
deco_type = "simple",
place_on = {"mcl_core:dirt_with_grass"},
sidelen = 8,
noise_params = {
offset = 0,
scale = 0.05,
spread = {x = 50, y = 50, z = 50},
seed = 420,
octaves = 2,
persist = 0.6
},
y_min = 1,
y_max = 30,
decoration = "mcl_core:tallgrass",
})
-- Dead bushes
minetest.register_decoration({
deco_type = "simple",
place_on = {"mcl_core:sand", "mcl_core:redsand", "mcl_core:podzol", "mcl_core:coarse_dirt", "mcl_colorblocks:hardened_clay"},
sidelen = 16,
noise_params = {
offset = 0,
scale = 0.035,
spread = {x = 100, y = 100, z = 100},
seed = 1972,
octaves = 3,
persist = 0.6
},
y_min = 3,
y_max = 50,
decoration = "mcl_core:deadbush",
})
end
function mcl_mapgen_core.make_cactus(pos, size)
for y=0,size-1 do
local p = {x=pos.x, y=pos.y+y, z=pos.z}
local nn = minetest.get_node(p).name
if minetest.registered_nodes[nn] and
minetest.registered_nodes[nn].buildable_to then
minetest.set_node(p, {name="mcl_core:cactus"})
else
return
end
end
end
register_mgv6_decorations()
minetest.register_on_generated(function(minp, maxp, seed)
@ -341,10 +404,6 @@ minetest.register_on_generated(function(minp, maxp, seed)
for i=0,reeds_amount do
local x = pr:next(x0, x1)
local z = pr:next(z0, z1)
if minetest.get_node({x=x,y=1,z=z}).name == "mcl_core:dirt_with_grass" and
minetest.find_node_near({x=x,y=1,z=z}, 1, "mcl_core:water_source") then
mcl_mapgen_core.make_reeds({x=x,y=2,z=z}, pr:next(2, 4))
end
local p = {x=x,y=1,z=z}
if minetest.get_node(p).name == "mcl_core:sand" then
if math.random(0,1000) == 1 then -- 0,12000
@ -356,39 +415,6 @@ minetest.register_on_generated(function(minp, maxp, seed)
end
end
end
-- Generate cactuses
local perlin1 = minetest.get_perlin(230, 3, 0.6, 100)
-- Assume X and Z lengths are equal
local divlen = 16
local divs = (maxp.x-minp.x)/divlen+1;
for divx=0,divs-1 do
for divz=0,divs-1 do
local x0 = minp.x + math.floor((divx+0)*divlen)
local z0 = minp.z + math.floor((divz+0)*divlen)
local x1 = minp.x + math.floor((divx+1)*divlen)
local z1 = minp.z + math.floor((divz+1)*divlen)
-- Determine cactus amount from perlin noise
local cactus_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 6 - 3)
-- Find random positions for cactus based on this random
local pr = PseudoRandom(seed+1)
for i=0,cactus_amount do
local x = pr:next(x0, x1)
local z = pr:next(z0, z1)
-- Find ground level (0...15)
local ground_y = nil
for y=30,0,-1 do
if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
ground_y = y
break
end
end
-- If sand, make cactus
if ground_y and minetest.get_node({x=x,y=ground_y,z=z}).name == "mcl_core:sand" then
mcl_mapgen_core.make_cactus({x=x,y=ground_y+1,z=z}, pr:next(3, 4))
end
end
end
end
-- Generate grass
local perlin1 = minetest.get_perlin(329, 3, 0.6, 100)
-- Assume X and Z lengths are equal
@ -423,13 +449,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
if minetest.registered_nodes[nn] and
minetest.registered_nodes[nn].buildable_to then
nn = minetest.get_node({x=x,y=ground_y,z=z}).name
-- If sand, add dry shrub
if nn == "mcl_core:sand" then
minetest.set_node(p,{name="mcl_core:deadbush"})
-- If dirt with grass, add grass
elseif nn == "mcl_core:dirt_with_grass" then
minetest.set_node(p,{name="mcl_core:tallgrass"})
if nn == "mcl_core:dirt_with_grass" then
if math.random(0,12000) == 1 then
-- TODO: Re-enable random_struct
--random_struct.call_struct(p,1)
@ -442,9 +462,6 @@ minetest.register_on_generated(function(minp, maxp, seed)
end
end
end
-- Generate nyan cats
--generate_nyancats(seed, minp, maxp)
end)
local function replace(old, new, min, max)