nalc/nalc_game
1
0
Fork 1
forked from luanti-org/minetest_game
Code Issues Pull Requests Releases Wiki Activity

Pinetree (by sfan5, from mg mapgen) lua generation and sapling ABM. Add checks for ignore to other trees

Browse Source
This commit is contained in:
paramat
2014-12-04 03:47:46 +00:00
committed by PilzAdam
parent 75dfcdb1e7
commit 69614dc20d
2 changed files with 182 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
mods/default/nodes.lua
View File

@@ -114,7 +114,7 @@ minetest.register_node("default:dirt_with_snow", {
description = "Dirt with Snow",
tiles = {"default_snow.png", "default_dirt.png", "default_dirt.png^default_snow_side.png"},
is_ground_content = true,
groups = {crumbly=3},
groups = {crumbly=3,soil=1},
drop = 'default:dirt',
sounds = default.node_sound_dirt_defaults({
footstep = {name="default_snow_footstep", gain=0.25},

201
mods/default/trees.lua
View File

@@ -17,6 +17,8 @@ local function can_grow(pos)
return true
end
-- Sapling ABMs
minetest.register_abm({
nodenames = {"default:sapling"},
interval = 10,
@@ -26,14 +28,15 @@ minetest.register_abm({
return
end
minetest.log("action", "A sapling grows into a tree at "..minetest.pos_to_string(pos))
minetest.log("action", "A sapling grows into a tree at "..
minetest.pos_to_string(pos))
default.grow_tree(pos, random(1, 4) == 1)
end
})
minetest.register_abm({
nodenames = {"default:junglesapling"},
interval = 10,
interval = 11,
chance = 50,
action = function(pos, node)
if not can_grow(pos) then
@@ -46,18 +49,36 @@ minetest.register_abm({
end
})
minetest.register_abm({
nodenames = {"default:pine_sapling"},
interval = 12,
chance = 50,
action = function(pos, node)
if not can_grow(pos) then
return
end
local c_air = minetest.get_content_id("air")
local c_apple = minetest.get_content_id("default:apple")
minetest.log("action", "A pine sapling grows into a tree at "..
minetest.pos_to_string(pos))
default.grow_pinetree(pos)
end
})
-- Appletree, jungletree function
local function add_trunk_and_leaves(data, a, pos, tree_cid, leaves_cid,
height, size, iters, is_apple_tree)
local x, y, z = pos.x, pos.y, pos.z
local c_air = minetest.get_content_id("air")
local c_ignore = minetest.get_content_id("ignore")
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)
if y_dist == 0 or data[vi] == c_air or data[vi] == leaves_cid then
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
data[vi] = tree_cid
end
end
@@ -67,7 +88,7 @@ local function add_trunk_and_leaves(data, a, pos, tree_cid, leaves_cid,
for y_dist = -size, 1 do
local vi = a:index(x - 1, y + height + y_dist, z + z_dist)
for x_dist = -1, 1 do
if data[vi] == c_air then
if data[vi] == c_air or data[vi] == c_ignore then
if is_apple_tree and random(1, 8) == 1 then
data[vi] = c_apple
else
@@ -89,7 +110,7 @@ local function add_trunk_and_leaves(data, a, pos, tree_cid, leaves_cid,
for yi = 0, 1 do
for zi = 0, 1 do
local vi = a:index(clust_x + xi, clust_y + yi, clust_z + zi)
if data[vi] == c_air then
if data[vi] == c_air or data[vi] == c_ignore then
if is_apple_tree and random(1, 8) == 1 then
data[vi] = c_apple
else
@@ -102,9 +123,7 @@ local function add_trunk_and_leaves(data, a, pos, tree_cid, leaves_cid,
end
end
local c_tree = minetest.get_content_id("default:tree")
local c_leaves = minetest.get_content_id("default:leaves")
-- Appletree
function default.grow_tree(pos, is_apple_tree, bad)
--[[
@@ -118,11 +137,13 @@ function default.grow_tree(pos, is_apple_tree, bad)
local x, y, z = pos.x, pos.y, pos.z
local height = random(4, 5)
local c_tree = minetest.get_content_id("default:tree")
local c_leaves = minetest.get_content_id("default:leaves")
local vm = minetest.get_voxel_manip()
local minp, maxp = vm:read_from_map(
{x = pos.x - 2, y = pos.y, z = pos.z - 2},
{x = pos.x + 2, y = pos.y + height + 1, z = pos.z + 2}
{x = pos.x - 2, y = pos.y, z = pos.z - 2},
{x = pos.x + 2, y = pos.y + height + 1, z = pos.z + 2}
)
local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
local data = vm:get_data()
@@ -134,12 +155,11 @@ function default.grow_tree(pos, is_apple_tree, bad)
vm:update_map()
end
local c_jungletree = minetest.get_content_id("default:jungletree")
local c_jungleleaves = minetest.get_content_id("default:jungleleaves")
-- Jungletree
function default.grow_jungletree(pos, bad)
--[[
NOTE: Tree-placing code is currently duplicated in the engine
NOTE: Jungletree-placing code is currently duplicated in the engine
and in games that have saplings; both are deprecated but not
replaced yet
--]]
@@ -149,11 +169,16 @@ function default.grow_jungletree(pos, bad)
local x, y, z = pos.x, pos.y, pos.z
local height = random(8, 12)
local c_air = minetest.get_content_id("air")
local c_ignore = minetest.get_content_id("ignore")
local c_jungletree = minetest.get_content_id("default:jungletree")
local c_jungleleaves = minetest.get_content_id("default:jungleleaves")
local vm = minetest.get_voxel_manip()
local minp, maxp = vm:read_from_map(
{x = pos.x - 3, y = pos.y - 1, z = pos.z - 3},
{x = pos.x + 3, y = pos.y + height + 1, z = pos.z + 3})
{x = pos.x - 3, y = pos.y - 1, z = pos.z - 3},
{x = pos.x + 3, y = pos.y + height + 1, z = pos.z + 3}
)
local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
local data = vm:get_data()
@@ -162,12 +187,12 @@ function default.grow_jungletree(pos, bad)
-- Roots
for z_dist = -1, 1 do
local vi_1 = a:index(x - 1, y - 1, z + z_dist)
local vi_2 = a:index(x - 1, y, z + z_dist)
local vi_2 = a:index(x - 1, y, z + z_dist)
for x_dist = -1, 1 do
if random(1, 3) >= 2 then
if data[vi_1] == c_air then
if data[vi_1] == c_air or data[vi_1] == c_ignore then
data[vi_1] = c_jungletree
elseif data[vi_2] == c_air then
elseif data[vi_2] == c_air or data[vi_2] == c_ignore then
data[vi_2] = c_jungletree
end
end
@@ -181,3 +206,139 @@ function default.grow_jungletree(pos, bad)
vm:update_map()
end
-- Pinetree 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
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
data[vi] = c_snow
end
end
function default.grow_pinetree(pos)
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_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 = 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 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 random() < 0.95 - dev * 0.05 then
add_pine_needles(data, vi, c_air, c_ignore, c_snow,
c_pine_needles)
if snow then
add_snow(data, via, c_air, c_ignore, c_snow)
end
end
vi = vi + 1
via = via + 1
end
end
dev = dev - 1
end
-- Centre top nodes
add_pine_needles(data, a:index(x, maxy + 1, z), c_air, c_ignore, c_snow,
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
if snow then
add_snow(data, a:index(x, maxy + 3, z), c_air, c_ignore, c_snow)
end
-- Lower branches layer
local my = 0
for i = 1, 20 do -- Random 2x2 squares of needles
local xi = x + random(-3, 2)
local yy = maxy + random(-6, -5)
local zi = z + 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_pine_needles(data, vi, c_air, c_ignore, c_snow,
c_pine_needles)
if snow then
add_snow(data, via, c_air, c_ignore, c_snow)
end
vi = vi + 1
via = via + 1
end
end
end
local 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 random() < 0.95 - dev * 0.05 then
add_pine_needles(data, vi, c_air, c_ignore, c_snow,
c_pine_needles)
if snow then
add_snow(data, via, c_air, c_ignore, c_snow)
end
end
vi = vi + 1
via = via + 1
end
end
dev = dev - 1
end
-- Trunk
for yy = y, maxy do
local vi = a:index(x, yy, z)
data[vi] = c_pinetree
end
vm:set_data(data)
vm:write_to_map()
vm:update_map()
end