diff options
Diffstat (limited to 'games/minimal/mods/default/init.lua')
| -rw-r--r-- | games/minimal/mods/default/init.lua | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/games/minimal/mods/default/init.lua b/games/minimal/mods/default/init.lua index afde19b52..ce110126e 100644 --- a/games/minimal/mods/default/init.lua +++ b/games/minimal/mods/default/init.lua @@ -1519,6 +1519,129 @@ minetest.register_node("default:apple", { sounds = default.node_sound_defaults(), }) + +local c_air = minetest.get_content_id("air") +local c_ignore = minetest.get_content_id("ignore") +local c_tree = minetest.get_content_id("default:tree") +local c_leaves = minetest.get_content_id("default:leaves") +local c_apple = minetest.get_content_id("default:apple") +function default.grow_tree(data, a, pos, is_apple_tree, seed) + --[[ + NOTE: Tree-placing code is currently duplicated in the engine + 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 + end + 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 + +minetest.register_abm({ + nodenames = {"default:sapling"}, + interval = 10, + chance = 50, + action = function(pos, node) + local is_soil = minetest.registered_nodes[minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name].groups.soil + if is_soil == nil or is_soil == 0 then return end + print("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}) + local a = VoxelArea:new{MinEdge=minp, MaxEdge=maxp} + local data = vm:get_data() + default.grow_tree(data, a, pos, math.random(1, 4) == 1, math.random(1,100000)) + vm:set_data(data) + vm:write_to_map(data) + vm:update_map() + end +}) + +minetest.register_abm({ + nodenames = {"default:dirt"}, + interval = 2, + chance = 200, + action = function(pos, node) + local above = {x=pos.x, y=pos.y+1, z=pos.z} + local name = minetest.get_node(above).name + local nodedef = minetest.registered_nodes[name] + if nodedef and nodedef.sunlight_propagates and nodedef.liquidtype == "none" and minetest.get_node_light(above) >= 13 then + if name == "default:snow" or name == "default:snowblock" then + minetest.set_node(pos, {name = "default:dirt_with_snow"}) + else + minetest.set_node(pos, {name = "default:dirt_with_grass"}) + end + end + end +}) + +minetest.register_abm({ + nodenames = {"default:dirt_with_grass"}, + interval = 2, + chance = 20, + action = function(pos, node) + local above = {x=pos.x, y=pos.y+1, z=pos.z} + local name = minetest.get_node(above).name + local nodedef = minetest.registered_nodes[name] + if name ~= "ignore" and nodedef and not (nodedef.sunlight_propagates and nodedef.liquidtype == "none") then + minetest.set_node(pos, {name = "default:dirt"}) + end + end +}) + -- -- Crafting items -- |