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Tree grown from spruce sapling matches v6 pines

This commit is contained in:
Wuzzy 2017-05-26 02:16:41 +02:00
parent 3461893961
commit b5b8561483
1 changed files with 113 additions and 1 deletions

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@ -414,9 +414,121 @@ function mcl_core.generate_tree(pos, trunk, leaves, typearbre)
end
end
end
elseif typearbre == 3 then
mcl_core.generate_spruce_tree(pos)
end
end
-- BEGIN of spruce tree generation functions --
-- Copied from Minetest Game 0.4.15 from the pine tree (default.generate_pine_tree)
-- Pine tree (=spruce tree in MCL2) from mg mapgen mod, design by sfan5, pointy top added by paramat
local function add_spruce_leaves(data, vi, c_air, c_ignore, c_snow, c_spruce_leaves)
local node_id = data[vi]
if node_id == c_air or node_id == c_ignore or node_id == c_snow then
data[vi] = c_spruce_leaves
end
end
function mcl_core.generate_spruce_tree(pos)
local x, y, z = pos.x, pos.y, pos.z
local maxy = y + math.random(9, 13) -- Trunk top
local c_air = minetest.get_content_id("air")
local c_ignore = minetest.get_content_id("ignore")
local c_spruce_tree = minetest.get_content_id("mcl_core:sprucetree")
local c_spruce_leaves = minetest.get_content_id("mcl_core:spruceleaves")
local c_snow = minetest.get_content_id("mcl_core:snow")
local vm = minetest.get_voxel_manip()
local minp, maxp = vm:read_from_map(
{x = x - 3, y = y, z = z - 3},
{x = x + 3, y = maxy + 3, z = z + 3}
)
local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
local data = vm:get_data()
-- Upper branches layer
local dev = 3
for yy = maxy - 1, maxy + 1 do
for zz = z - dev, z + dev do
local vi = a:index(x - dev, yy, zz)
local via = a:index(x - dev, yy + 1, zz)
for xx = x - dev, x + dev do
if math.random() < 0.95 - dev * 0.05 then
add_spruce_leaves(data, vi, c_air, c_ignore, c_snow,
c_spruce_leaves)
end
vi = vi + 1
via = via + 1
end
end
dev = dev - 1
end
-- Centre top nodes
add_spruce_leaves(data, a:index(x, maxy + 1, z), c_air, c_ignore, c_snow,
c_spruce_leaves)
add_spruce_leaves(data, a:index(x, maxy + 2, z), c_air, c_ignore, c_snow,
c_spruce_leaves) -- Paramat added a pointy top node
-- Lower branches layer
local my = 0
for i = 1, 20 do -- Random 2x2 squares of leaves
local xi = x + math.random(-3, 2)
local yy = maxy + math.random(-6, -5)
local zi = z + math.random(-3, 2)
if yy > my then
my = yy
end
for zz = zi, zi+1 do
local vi = a:index(xi, yy, zz)
local via = a:index(xi, yy + 1, zz)
for xx = xi, xi + 1 do
add_spruce_leaves(data, vi, c_air, c_ignore, c_snow,
c_spruce_leaves)
vi = vi + 1
via = via + 1
end
end
end
dev = 2
for yy = my + 1, my + 2 do
for zz = z - dev, z + dev do
local vi = a:index(x - dev, yy, zz)
local via = a:index(x - dev, yy + 1, zz)
for xx = x - dev, x + dev do
if math.random() < 0.95 - dev * 0.05 then
add_spruce_leaves(data, vi, c_air, c_ignore, c_snow,
c_spruce_leaves)
end
vi = vi + 1
via = via + 1
end
end
dev = dev - 1
end
-- Trunk
-- Force-place lowest trunk node to replace sapling
data[a:index(x, y, z)] = c_spruce_tree
for yy = y + 1, maxy do
local vi = a:index(x, yy, z)
local node_id = data[vi]
if node_id == c_air or node_id == c_ignore or
node_id == c_spruce_leaves or node_id == c_snow then
data[vi] = c_spruce_tree
end
end
vm:set_data(data)
vm:write_to_map()
vm:update_map()
end
-- END of spruce tree functions --
local grass_spread_randomizer = PseudoRandom(minetest.get_mapgen_params().seed)
------------------------------
@ -556,7 +668,7 @@ mcl_core.grow_sapling = function(pos, node)
elseif node.name == "mcl_core:acaciasapling" then
grow = sapling_grow_action("mcl_core:acaciatree", "mcl_core:acacialeaves", 1, 2)
elseif node.name == "mcl_core:sprucesapling" then
grow = sapling_grow_action("mcl_core:sprucetree", "mcl_core:spruceleaves", 1, 1)
grow = sapling_grow_action("mcl_core:sprucetree", "mcl_core:spruceleaves", 3, 1)
elseif node.name == "mcl_core:birchsapling" then
grow = sapling_grow_action("mcl_core:birchtree", "mcl_core:birchleaves", 1, 1)
end