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cleaned up treegen code

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cleaned up treegen
This commit is contained in:
crazyginger72 2014-08-23 18:08:15 -04:00
parent 11c04e984d
commit f9b90f74f9
2 changed files with 52 additions and 125 deletions
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4
mods/default/functions.lua
View file

@ -141,7 +141,7 @@ minetest.register_abm({
if is_soil == 0 then
return
end
minetest.remove_node(pos)
minetest.log("action", "A sapling grows into a tree at "..minetest.pos_to_string(pos))
local vm = minetest.get_voxel_manip()
local minp, maxp = vm:read_from_map({x=pos.x-16, y=pos.y, z=pos.z-16}, {x=pos.x+16, y=pos.y+16, z=pos.z+16})
@ -164,7 +164,7 @@ minetest.register_abm({
if is_soil == 0 then
return
end
minetest.remove_node(pos)
minetest.log("action", "A jungle sapling grows into a tree at "..minetest.pos_to_string(pos))
local vm = minetest.get_voxel_manip()
local minp, maxp = vm:read_from_map({x=pos.x-16, y=pos.y-1, z=pos.z-16}, {x=pos.x+16, y=pos.y+16, z=pos.z+16})

171
mods/default/trees.lua
View file

@ -10,64 +10,29 @@ function default.grow_tree(data, a, pos, is_apple_tree, seed)
and in games that have saplings; both are deprecated but not
replaced yet
]]--
local pr = PseudoRandom(seed)
local th = pr:next(4, 5)
local x, y, z = pos.x, pos.y, pos.z
for yy = y, y+th-1 do
local vi = a:index(x, yy, z)
if a:contains(x, yy, z) and (data[vi] == c_air or yy == y) then
data[vi] = c_tree
local hight = math.random(4, 5)
for x_area = -2, 2 do
for y_area = -1, 2 do
for z_area = -2, 2 do
if math.random(1,30) < 23 then --randomize leaves
local area_l = a:index(pos.x+x_area, pos.y+hight+y_area-1, pos.z+z_area) --sets area for leaves
if data[area_l] == c_air or data[area_l] == c_ignore then --sets if not air or ignore
if is_apple_tree == true and math.random(1, 100) <= 10 then --randomize apples
data[area_l] = c_apple --add apples now
else
data[area_l] = c_leaves --add leaves now
end
end
end
end
end
end
for tree_h = 0, hight-1 do -- add the trunk
local area_t = a:index(pos.x, pos.y+tree_h, pos.z) --set area for tree
if data[area_t] == c_air or data[area_t] == c_leaves or data[area_t] == c_apple then --sets if air
data[area_t] = c_tree --add tree now
end
y = y+th-1 -- (x, y, z) is now last piece of trunk
local leaves_a = VoxelArea:new{MinEdge={x=-2, y=-1, z=-2}, MaxEdge={x=2, y=2, z=2}}
local leaves_buffer = {}
-- Force leaves near the trunk
local d = 1
for xi = -d, d do
for yi = -d, d do
for zi = -d, d do
leaves_buffer[leaves_a:index(xi, yi, zi)] = true
end
end
end
-- Add leaves randomly
for iii = 1, 8 do
local d = 1
local xx = pr:next(leaves_a.MinEdge.x, leaves_a.MaxEdge.x - d)
local yy = pr:next(leaves_a.MinEdge.y, leaves_a.MaxEdge.y - d)
local zz = pr:next(leaves_a.MinEdge.z, leaves_a.MaxEdge.z - d)
for xi = 0, d do
for yi = 0, d do
for zi = 0, d do
leaves_buffer[leaves_a:index(xx+xi, yy+yi, zz+zi)] = true
end
end
end
end
-- Add the leaves
for xi = leaves_a.MinEdge.x, leaves_a.MaxEdge.x do
for yi = leaves_a.MinEdge.y, leaves_a.MaxEdge.y do
for zi = leaves_a.MinEdge.z, leaves_a.MaxEdge.z do
if a:contains(x+xi, y+yi, z+zi) then
local vi = a:index(x+xi, y+yi, z+zi)
if data[vi] == c_air or data[vi] == c_ignore then
if leaves_buffer[leaves_a:index(xi, yi, zi)] then
if is_apple_tree and pr:next(1, 100) <= 10 then
data[vi] = c_apple
else
data[vi] = c_leaves
end
end
end
end
end
end
end
end
end
local c_jungletree = minetest.get_content_id("default:jungletree")
@ -79,72 +44,34 @@ function default.grow_jungletree(data, a, pos, seed)
and in games that have saplings; both are deprecated but not
replaced yet
]]--
local pr = PseudoRandom(seed)
local x, y, z = pos.x, pos.y, pos.z
for xi = -1, 1 do
for zi = -1, 1 do
if pr:next(1, 3) >= 2 then
local vi1 = a:index(x+xi, y, z+zi)
local vi2 = a:index(x+xi, y-1, z+zi)
if a:contains(x+xi, y-1, z+zi) and data[vi2] == c_air then
data[vi2] = c_jungletree
elseif a:contains(x+xi, y, z+zi) and data[vi1] == c_air then
data[vi1] = c_jungletree
end
end
end
end
local th = pr:next(8, 12)
for yy = y, y+th-1 do
local vi = a:index(x, yy, z)
if a:contains(x, yy, z) and (data[vi] == c_air or yy == y) then
data[vi] = c_jungletree
end
end
y = y+th-1 -- (x, y, z) is now last piece of trunk
local leaves_a = VoxelArea:new{MinEdge={x=-3, y=-2, z=-3}, MaxEdge={x=3, y=2, z=3}}
local leaves_buffer = {}
-- Force leaves near the trunk
local d = 1
for xi = -d, d do
for yi = -d, d do
for zi = -d, d do
leaves_buffer[leaves_a:index(xi, yi, zi)] = true
end
end
end
-- Add leaves randomly
for iii = 1, 30 do
local d = 1
local xx = pr:next(leaves_a.MinEdge.x, leaves_a.MaxEdge.x - d)
local yy = pr:next(leaves_a.MinEdge.y, leaves_a.MaxEdge.y - d)
local zz = pr:next(leaves_a.MinEdge.z, leaves_a.MaxEdge.z - d)
for xi = 0, d do
for yi = 0, d do
for zi = 0, d do
leaves_buffer[leaves_a:index(xx+xi, yy+yi, zz+zi)] = true
end
end
end
end
-- Add the leaves
for xi = leaves_a.MinEdge.x, leaves_a.MaxEdge.x do
for yi = leaves_a.MinEdge.y, leaves_a.MaxEdge.y do
for zi = leaves_a.MinEdge.z, leaves_a.MaxEdge.z do
if a:contains(x+xi, y+yi, z+zi) then
local vi = a:index(x+xi, y+yi, z+zi)
if data[vi] == c_air or data[vi] == c_ignore then
if leaves_buffer[leaves_a:index(xi, yi, zi)] then
data[vi] = c_jungleleaves
end
end
end
end
local hight = math.random(8, 12)
for x_area = -3, 3 do
for y_area = -2, 2 do
for z_area = -3, 3 do
if math.random(1,30) < 23 then --randomize leaves
local area_l = a:index(pos.x+x_area, pos.y+hight+y_area-1, pos.z+z_area) --sets area for leaves
if data[area_l] == c_air or data[area_l] == c_ignore then --sets if not air or ignore
data[area_l] = c_jungleleaves --add leaves now
end
end
end
end
end
for tree_h = 0, hight-1 do -- add the trunk
local area_t = a:index(pos.x, pos.y+tree_h, pos.z) --set area for tree
if data[area_t] == c_air or data[area_t] == c_jungleleaves then --sets if air
data[area_t] = c_jungletree --add tree now
end
end
for roots_x = -1, 1 do
for roots_z = -1, 1 do
if math.random(1, 3) >= 2 then --randomize roots
if a:contains(pos.x+roots_x, pos.y-1, pos.z+roots_z) and data[a:index(pos.x+roots_x, pos.y-1, pos.z+roots_z)] == c_air then
data[a:index(pos.x+roots_x, pos.y-1, pos.z+roots_z)] = c_jungletree
elseif a:contains(pos.x+roots_x, pos.y, pos.z+roots_z) and data[a:index(pos.x+roots_x, pos.y, pos.z+roots_z)] == c_air then
data[a:index(pos.x+roots_x, pos.y, pos.z+roots_z)] = c_jungletree
end
end
end
end
end