+local random = math.random
+
--
--- Grow trees
+-- Grow trees from saplings
--
-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
if is_soil == 0 then
return false
end
+ local light_level = minetest.get_node_light(pos)
+ if not light_level or light_level < 13 then
+ return false
+ end
return true
end
--- Sapling ABMs
-minetest.register_abm({
- nodenames = {"default:sapling"},
- interval = 10,
- chance = 50,
- action = function(pos, node)
- if not can_grow(pos) then
- return
- end
+-- 'is snow nearby' function
- minetest.log("action", "A sapling grows into a tree at "..
- minetest.pos_to_string(pos))
- default.grow_tree(pos, random(1, 4) == 1)
- end
-})
+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")
-minetest.register_abm({
- nodenames = {"default:junglesapling"},
- interval = 11,
- chance = 50,
- action = function(pos, node)
- if not can_grow(pos) then
- return
- end
+ 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()
- minetest.log("action", "A jungle sapling grows into a tree at "..
- minetest.pos_to_string(pos))
- default.grow_jungle_tree(pos)
+ 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:pine_sapling"},
- interval = 12,
+ nodenames = {"default:sapling", "default:junglesapling",
+ "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
- minetest.log("action", "A pine sapling grows into a tree at "..
+ local mapgen = minetest.get_mapgen_params().mgname
+ if node.name == "default:sapling" then
+ minetest.log("action", "A sapling grows into a tree at "..
+ minetest.pos_to_string(pos))
+ if mapgen == "v6" then
+ default.grow_tree(pos, random(1, 4) == 1)
+ else
+ default.grow_new_apple_tree(pos)
+ end
+ elseif node.name == "default:junglesapling" then
+ minetest.log("action", "A jungle sapling grows into a tree at "..
+ minetest.pos_to_string(pos))
+ if mapgen == "v6" then
+ default.grow_jungle_tree(pos)
+ else
+ default.grow_new_jungle_tree(pos)
+ 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, snow)
+ elseif snow then
+ default.grow_new_snowy_pine_tree(pos)
+ else
+ default.grow_new_pine_tree(pos)
+ end
+ elseif node.name == "default:acacia_sapling" then
+ minetest.log("action", "An acacia sapling grows into a tree at "..
minetest.pos_to_string(pos))
- default.grow_pine_tree(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
})
--- Appletree, jungletree function
+
+--
+-- Tree generation
+--
+
+-- Apple tree and jungle tree trunk and leaves function
local function add_trunk_and_leaves(data, a, pos, tree_cid, leaves_cid,
height, size, iters, is_apple_tree)
local c_apple = minetest.get_content_id("default:apple")
-- Trunk
- for y_dist = 0, height - 1 do
- local vi = a:index(x, y + y_dist, z)
+ data[a:index(x, y, z)] = tree_cid -- Force-place lowest trunk node to replace sapling
+ for yy = y + 1, y + height - 1 do
+ local vi = a:index(x, yy, z)
local node_id = data[vi]
- if y_dist == 0 or node_id == c_air or node_id == c_ignore
- or node_id == leaves_cid then
+ if node_id == c_air or node_id == c_ignore or node_id == leaves_cid then
data[vi] = tree_cid
end
end
end
end
--- Appletree
+
+-- Apple tree
function default.grow_tree(pos, is_apple_tree, bad)
--[[
vm:update_map()
end
--- Jungletree
+
+-- Jungle tree
function default.grow_jungle_tree(pos, bad)
--[[
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
vm:update_map()
end
--- Pinetree from mg mapgen mod, design by sfan5, pointy top added by paramat
+
+-- Pine tree from mg mapgen mod, design by sfan5, pointy top added by paramat
local function add_pine_needles(data, vi, c_air, c_ignore, c_snow, c_pine_needles)
- if data[vi] == c_air or data[vi] == c_ignore or data[vi] == c_snow then
+ local node_id = data[vi]
+ if node_id == c_air or node_id == c_ignore or node_id == c_snow then
data[vi] = c_pine_needles
end
end
local function add_snow(data, vi, c_air, c_ignore, c_snow)
- if data[vi] == c_air or data[vi] == c_ignore then
+ local node_id = data[vi]
+ if node_id == c_air or node_id == c_ignore then
data[vi] = c_snow
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_air = minetest.get_content_id("air")
local c_ignore = minetest.get_content_id("ignore")
- local c_pinetree = minetest.get_content_id("default:pinetree")
+ 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
- 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
for xx = x - dev, x + dev do
if random() < 0.95 - dev * 0.05 then
add_pine_needles(data, vi, c_air, c_ignore, c_snow,
- c_pine_needles)
+ c_pine_needles)
if snow then
add_snow(data, via, c_air, c_ignore, c_snow)
end
-- Centre top nodes
add_pine_needles(data, a:index(x, maxy + 1, z), c_air, c_ignore, c_snow,
- c_pine_needles)
+ c_pine_needles)
add_pine_needles(data, a:index(x, maxy + 2, z), c_air, c_ignore, c_snow,
- c_pine_needles) -- Paramat added a pointy top node
+ c_pine_needles) -- Paramat added a pointy top node
if snow then
add_snow(data, a:index(x, maxy + 3, z), c_air, c_ignore, c_snow)
end
local via = a:index(xi, yy + 1, zz)
for xx = xi, xi + 1 do
add_pine_needles(data, vi, c_air, c_ignore, c_snow,
- c_pine_needles)
+ c_pine_needles)
if snow then
add_snow(data, via, c_air, c_ignore, c_snow)
end
for xx = x - dev, x + dev do
if random() < 0.95 - dev * 0.05 then
add_pine_needles(data, vi, c_air, c_ignore, c_snow,
- c_pine_needles)
+ c_pine_needles)
if snow then
add_snow(data, via, c_air, c_ignore, c_snow)
end
end
-- Trunk
- for yy = y, maxy do
+ -- 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)
- data[vi] = c_pinetree
+ local node_id = data[vi]
+ if node_id == c_air or node_id == c_ignore or
+ node_id == c_pine_needles or node_id == c_snow then
+ data[vi] = c_pine_tree
+ end
end
vm:set_data(data)
vm:update_map()
end
+
+-- New apple tree
+
+function default.grow_new_apple_tree(pos)
+ 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)
+end
+
+
+-- New jungle tree
+
+function default.grow_new_jungle_tree(pos)
+ 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, "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"
+ minetest.place_schematic({x = pos.x - 2, y = pos.y - 1, z = pos.z - 2},
+ 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"
+ minetest.place_schematic({x = pos.x - 4, y = pos.y - 1, z = pos.z - 4},
+ 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