+local random = math.random
+
--
-- Grow trees from saplings
--
--- 'Can grow' function
-
-local random = math.random
+-- 'can grow' function
-local function can_grow(pos)
+function default.can_grow(pos)
local node_under = minetest.get_node_or_nil({x = pos.x, y = pos.y - 1, z = pos.z})
if not node_under then
return false
end
+-- 'is snow nearby' function
+
+local function is_snow_nearby(pos)
+ local x, y, z = pos.x, pos.y, pos.z
+ local c_snow = minetest.get_content_id("default:snow")
+ local c_snowblock = minetest.get_content_id("default:snowblock")
+ local c_dirtsnow = minetest.get_content_id("default:dirt_with_snow")
+
+ local vm = minetest.get_voxel_manip()
+ local minp, maxp = vm:read_from_map(
+ {x = x - 1, y = y - 1, z = z - 1},
+ {x = x + 1, y = y + 1, z = z + 1}
+ )
+ local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
+ local data = vm:get_data()
+
+ for yy = y - 1, y + 1 do
+ for zz = z - 1, z + 1 do
+ local vi = a:index(x - 1, yy, zz)
+ for xx = x - 1, x + 1 do
+ local nodid = data[vi]
+ if nodid == c_snow or nodid == c_snowblock or nodid == c_dirtsnow then
+ return true
+ end
+ vi = vi + 1
+ end
+ end
+ end
+
+ return false
+end
+
+
-- Sapling ABM
minetest.register_abm({
nodenames = {"default:sapling", "default:junglesapling",
- "default:pine_sapling", "default:acacia_sapling"},
+ "default:pine_sapling", "default:acacia_sapling",
+ "default:aspen_sapling"},
interval = 10,
chance = 50,
action = function(pos, node)
- if not can_grow(pos) then
+ if not default.can_grow(pos) then
return
end
elseif node.name == "default:pine_sapling" then
minetest.log("action", "A pine sapling grows into a tree at "..
minetest.pos_to_string(pos))
+ local snow = is_snow_nearby(pos)
if mapgen == "v6" then
- default.grow_pine_tree(pos)
+ default.grow_pine_tree(pos, snow)
+ elseif snow then
+ default.grow_new_snowy_pine_tree(pos)
else
default.grow_new_pine_tree(pos)
end
minetest.log("action", "An acacia sapling grows into a tree at "..
minetest.pos_to_string(pos))
default.grow_new_acacia_tree(pos)
+ elseif node.name == "default:aspen_sapling" then
+ minetest.log("action", "An aspen sapling grows into a tree at "..
+ minetest.pos_to_string(pos))
+ default.grow_new_aspen_tree(pos)
end
end
})
local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
local data = vm:get_data()
- add_trunk_and_leaves(data, a, pos, c_jungletree, c_jungleleaves, height, 3, 30, false)
+ add_trunk_and_leaves(data, a, pos, c_jungletree, c_jungleleaves,
+ height, 3, 30, false)
-- Roots
for z_dist = -1, 1 do
end
end
-function default.grow_pine_tree(pos)
+function default.grow_pine_tree(pos, snow)
local x, y, z = pos.x, pos.y, pos.z
local maxy = y + random(9, 13) -- Trunk top
local c_pine_tree = minetest.get_content_id("default:pine_tree")
local c_pine_needles = minetest.get_content_id("default:pine_needles")
local c_snow = minetest.get_content_id("default:snow")
- local c_snowblock = minetest.get_content_id("default:snowblock")
- local c_dirtsnow = minetest.get_content_id("default:dirt_with_snow")
local vm = minetest.get_voxel_manip()
local minp, maxp = vm:read_from_map(
- {x = x - 3, y = y - 1, z = z - 3},
+ {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()
- -- Scan for snow nodes near sapling to enable snow on branches
- local snow = false
- for yy = y - 1, y + 1 do
- for zz = z - 1, z + 1 do
- local vi = a:index(x - 1, yy, zz)
- for xx = x - 1, x + 1 do
- local nodid = data[vi]
- if nodid == c_snow or nodid == c_snowblock or nodid == c_dirtsnow then
- snow = true
- end
- vi = vi + 1
- end
- end
- end
-
-- Upper branches layer
local dev = 3
for yy = maxy - 1, maxy + 1 do
end
-- Trunk
- data[a:index(x, y, z)] = c_pine_tree -- Force-place lowest trunk node to replace sapling
+ -- Force-place lowest trunk node to replace sapling
+ data[a:index(x, y, z)] = c_pine_tree
for yy = y + 1, maxy do
local vi = a:index(x, yy, z)
local node_id = data[vi]
-- New apple tree
function default.grow_new_apple_tree(pos)
- local path = minetest.get_modpath("default") .. "/schematics/apple_tree_from_sapling.mts"
+ local path = minetest.get_modpath("default") ..
+ "/schematics/apple_tree_from_sapling.mts"
minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
- path, 0, nil, false)
+ path, "0", nil, false)
end
-- New jungle tree
function default.grow_new_jungle_tree(pos)
- local path = minetest.get_modpath("default") .. "/schematics/jungle_tree_from_sapling.mts"
+ local path = minetest.get_modpath("default") ..
+ "/schematics/jungle_tree_from_sapling.mts"
minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
- path, 0, nil, false)
+ path, "random", nil, false)
end
-- New pine tree
function default.grow_new_pine_tree(pos)
- local path = minetest.get_modpath("default") .. "/schematics/pine_tree_from_sapling.mts"
+ local path = minetest.get_modpath("default") ..
+ "/schematics/pine_tree_from_sapling.mts"
minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
- path, 0, nil, false)
+ path, "0", nil, false)
+end
+
+
+-- New snowy pine tree
+
+function default.grow_new_snowy_pine_tree(pos)
+ local path = minetest.get_modpath("default") ..
+ "/schematics/snowy_pine_tree_from_sapling.mts"
+ minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
+ path, "random", nil, false)
end
-- New acacia tree
function default.grow_new_acacia_tree(pos)
- local path = minetest.get_modpath("default") .. "/schematics/acacia_tree_from_sapling.mts"
+ local path = minetest.get_modpath("default") ..
+ "/schematics/acacia_tree_from_sapling.mts"
minetest.place_schematic({x = pos.x - 4, y = pos.y - 1, z = pos.z - 4},
- path, random, nil, false)
+ path, "random", nil, false)
+end
+
+-- New aspen tree
+
+function default.grow_new_aspen_tree(pos)
+ local path = minetest.get_modpath("default") ..
+ "/schematics/aspen_tree_from_sapling.mts"
+ minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
+ path, "0", nil, false)
end
projects / oweals / minetest_game.git / blobdiff